File:  [LON-CAPA] / capa / capa51 / GUITools / quizzer.tcl
Revision 1.9: download - view: text, annotated - select for diffs
Thu Nov 18 17:55:24 1999 UTC (24 years, 7 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
- fixed bug in web version that truncated web sumbmissions to 81
  characters
- added the ability to send emails to students when grading subjective

    1: ###########################################################
    2: # quizzer.tcl - 
    3: # Copyright Guy Albertelli II 1996
    4: ###########################################################
    5: set gTclVer 4.0
    6: 
    7: ###########################################################
    8: # createControlWindow
    9: ###########################################################
   10: # Creates the menu window 
   11: ###########################################################
   12: # Arguments: none
   13: # Returns: nothing
   14: ###########################################################
   15: proc createControlWindow {} {
   16:     global gPrefs gDate gFind gChanged gWindowMenu gStudentSelection gFile \
   17: 	   gUniqueNumber gXdviOpt gHeaderQCount gDir gHintVal gTryVal gProbVal \
   18:            gPutLine gQuizTemp gCapaConfig gStopPrinting gFindList gFirstTime \
   19:            gRefChanged gChangedLast gCreateImportLinks gFasterParsing
   20:     
   21:     after 500 { dateUpdate }
   22:     after 1000 { cleanWindowList }
   23: 
   24:     set gFasterParsing 1
   25:     set gFirstTime 1
   26:     set gPrefs(info) "Problem"
   27:     set gPrefs(TeXHeader) ""
   28:     set gPrefs(TeXFooter) ""
   29:     set gFind(find) ""
   30:     set gFind(replace) ""
   31:     set gFind(findOption) "-nocase"
   32:     set gFind(scope) File
   33:     set gChanged 0
   34:     set gChangedLast 0
   35:     trace variable gChanged w updateChangeStatus
   36:     trace variable gRefChanged w updateChangeStatus
   37:     set gStudentSelection(type) "Random"
   38:     set gStudentSelection(random) "1"
   39:     set gStudentSelection(studentNumber) ""
   40:     set gStudentSelection(studentName) ""
   41:     set gFile ""
   42:     set gUniqueNumber 1
   43:     set gXdviOpt "-geometry 800x650" 
   44:     set gHeaderQCount 0
   45:     set gPutLine 1
   46:     set gTryVal 99
   47:     set gHintVal 1
   48:     set gProbVal 1
   49:     set gStopPrinting 0
   50:     set gDir(class) [pwd]
   51:     set gDir(import) [pwd]
   52:     set gDir(include) [pwd]
   53:     set gDir(reference) [pwd]
   54:     set gQuizTemp "true"
   55:     set gFindList(files) ""
   56:     set gFindList(refNum) ""
   57:     set gCreateImportLinks 1
   58:     set gCapaConfig(IMP_color) #0000ff
   59:     set gCapaConfig(comment_color) #008400
   60:     set gCapaConfig(Printer_selected) "0"
   61:     set gCapaConfig(latex_command) "latex"
   62:     set gCapaConfig(qzparse_command) "qzparse"
   63:     set gCapaConfig(dvips_command) "dvips"
   64:     set gCapaConfig(xdvi_command) "xdvi"
   65:     set gCapaConfig(lprOneSided_command) "lpr "
   66:     set gCapaConfig(lprTwoSided_command) ""
   67:     set gCapaConfig(printer_option) ""
   68:     set gCapaConfig(standardQuizzerHeader) "//CAPA system software is copyrighted by Michigan State University.\n//By using these materials, the User agrees to:\n//1) Protect the source code files  from unauthorized copying.\n//2) Limit  access  of the source material to teaching staff.\n//3) The User is free to mix, cut and paste, modify, adapt, delete,\n//   improve, etc. the problems and graphics for his/her own use.\n//\n/IMP \"../Tools/StdMacros\"\n/IMP \"../Tools/StdUnits\"\n/IMP \"../Tools/StdConst\"\n/IMP \"HWTop\"\n"
   69:     
   70: 
   71:     wm withdraw .
   72: 
   73:     # there is code later on that depends upon .main existing and being visable
   74:     set menuFrame [menu .main -tearoff 0 -type tearoff ]
   75: 
   76:     wm title $menuFrame "Quizzer"
   77: 
   78:     $menuFrame post 0 0
   79: 
   80:     wm geometry $menuFrame "+0+20"
   81:     $menuFrame add command -label "Quizzer" -foreground grey85 -background \
   82: 	    black -state disabled 
   83:     $menuFrame add command -label "Info" -command { createInfoWindow }
   84:     $menuFrame add cascade -label "File" -menu $menuFrame.file
   85:     #$menuFrame add cascade -label "Edit .qz" -menu $menuFrame.edit
   86:     #$menuFrame add cascade -label "Find" -menu $menuFrame.find
   87:     $menuFrame add command -label "Prefs" -command { createPrefsWindow }
   88:     $menuFrame add cascade -label "Windows" -menu $menuFrame.windows
   89:     $menuFrame add command -label "Create .dvi" -command { 
   90: 	studentSelectWindow createDvi } -accelerator "Alt+D"
   91:     bind all <Alt-Shift-D> "studentSelectWindow createDvi"
   92:     $menuFrame add command -label "Analyze Set" -command { 
   93: 	analyzeSet } -accelerator "Alt+A"
   94:     bind all <Alt-Shift-A> "analyzeSet"
   95:     $menuFrame add command -label "Print" -command { printWindow }
   96:     $menuFrame add command -label "Remap" -command { createRemapWindow }
   97:     $menuFrame add command -label "Xdvi Options" -command { createXdviOpt }
   98:     #$menuFrame add command -label "Change font" -command { changeFont }
   99:     $menuFrame add command -label "Quit" -command { quit } \
  100: 	    -accelerator "Alt+q"
  101:     bind all <Alt-q> quit
  102:     bind $menuFrame <Destroy> "quit 1"
  103: 
  104:     set file  [menu $menuFrame.file -tearoff 1  ]
  105:     set edit    [menu $menuFrame.edit -tearoff 1 ]
  106:     #set find    [menu $menuFrame.find -tearoff 1 ]
  107:     set windows [menu $menuFrame.windows -tearoff 1 ]
  108:     set gWindowMenu $windows
  109:     
  110:     $file add command -label "Set.qz File" -foreground grey50 -background \
  111: 	    black -state disabled     
  112:     $file add command -label "New" -command { 
  113: 	createEditingWindow 
  114: 	pickCapaConfig
  115:     } -accelerator "Alt+n"
  116:     bind all <Alt-n> { 
  117: 	createEditingWindow 
  118: 	pickCapaConfig
  119:     }
  120:     $file add command -label "Open" -command { openDocument } -accelerator "Alt+o"
  121:     bind all <Alt-o> openDocument
  122:     $file add command -label "Save" -command { saveDocument } -accelerator "Alt+s"
  123:   #  binding moved to the creation of the editwindow
  124:   #  bind $menuFrame <Alt-s> saveDocument
  125:     $file add command -label "Save As..." -command { saveDocument 1 } \
  126: 	-accelerator "Alt+S"
  127:   #  binding moved to the creation of the editwindow
  128:   #  bind $menuFrame <Alt-Shift-s> { saveDocument 1 }
  129:     $file add command -label "Delete" -command { deleteFile 0 } 
  130:     $file add command -label "Close" -command { closeDocument } -accelerator "Alt+w"
  131:   #  binding moved to the creation of the editwindow
  132:   #  bind .main <Alt-w> closeDocument
  133:     $file add command -label "Reference File" -foreground grey90 -background \
  134: 	    black -state disabled     
  135:     $file add command -label "New Reference File..." \
  136: 	-command { newReferenceFile } -accelerator "Alt+t"
  137:     bind all <Alt-t> openReferenceFile
  138:     $file add command -label "Open Reference File..." \
  139: 	-command { openReferenceFile } -accelerator "Alt+r"
  140:     bind all <Alt-r> openReferenceFile
  141:     $file add command -label "Open capa.config" \
  142: 	-command { openReferenceFile capa.config } 
  143:     
  144:     $edit add command -label "Cut" -command { cut } -accelerator "Alt+x"
  145:   #  binding moved to the creation of the editwindow
  146:   #  bind $menuFrame <Alt-x> cut 
  147:     $edit add command -label "Copy" -command { copy } -accelerator "Alt+c"
  148:   #  binding moved to the creation of the editwindow
  149:   #  bind $menuFrame <Alt-c> copy
  150:     $edit add command -label "Paste" -command { paste } -accelerator "Alt+v"
  151:   #  binding moved to the creation of the editwindow
  152:   #  bind .main <Alt-v> paste
  153:     $edit add command -label "Select All " -command { selectAll } \
  154: 	    -accelerator "Alt+a"
  155:   #  binding moved to the creation of the editwindow
  156:   #  bind $menuFrame <Alt-a> selectAll 
  157:     $edit add separator
  158:     $edit add command -label "Undo" -command "undo 0" \
  159: 	    -accelerator "Alt+u"
  160: #    $edit add command -label "Redo" -command "redo $num"
  161:     $edit add separator
  162:     $edit add command -label "Find" -command { createFindWindow } \
  163: 	-accelerator "Alt+f"
  164:     bind all <Alt-f> createFindWindow
  165: 
  166: #    $find add command -label "Find Panel.." -command { createFindWindow } \
  167: 	    -accelerator "Alt+f"
  168: #    bind all <Alt-f> createFindWindow
  169: #    $find add command -label "Find Next" -command { next }
  170: #    $find add command -label "Find Previous" -command { previous }
  171: #    $find add command -label "Enter Selecton" -command { enterSelection }
  172: #    $find add command -label "Jump to Selection" -command { jumpToSelection }
  173: #    $find add command -label "Line Range..." -command { createLineWindow } \
  174: 	    -accelerator "Alt+l"
  175: #    bind all <Alt-l> createLineWindow
  176: 
  177:     bind all <Alt-0> printInfo
  178:     bind all <Alt-KeyPress> { #unbind tkTraverseToMenu 
  179:     } 
  180:     bind all <Control-Tab> {tkTabToWindow [tk_focusPrev %W]}
  181:     catch {bind all <ISO_Left_Tab> {tkTabToWindow [tk_focusPrev %W]}}
  182:     catch {bind all <KP_Tab> {tkTabToWindow [tk_focusPrev %W]}}
  183:     trace variable gQuizTemp w "changeMenuStatus $menuFrame"
  184: }
  185: 
  186: ###########################################################
  187: # changeMenuStatus
  188: ###########################################################
  189: # either enables or disable printing or creation of Dvi files
  190: # based on the value of the gQuizTemp global
  191: ###########################################################
  192: # Argument: menuFrame (path name of the menu window)
  193: #           name1 (name of traced varaiable, gQuizTemp)
  194: #           name2 (empty argument from trace)
  195: #           op (tracing on writes so this should be "w")
  196: # Returns : nothing
  197: # Globals : gQuizTemp (r)
  198: ###########################################################
  199: proc changeMenuStatus { menuFrame name1 name2 op } {
  200:     global gQuizTemp
  201:     if { $gQuizTemp } {
  202: 	$menuFrame entryconfigure  5 -state normal
  203: 	$menuFrame entryconfigure  6 -state normal 
  204:     } else {
  205: 	$menuFrame entryconfigure  5 -state disabled 
  206: 	$menuFrame entryconfigure  6 -state disabled 
  207:     }
  208: }
  209: 
  210: ###########################################################
  211: # printInfo
  212: ###########################################################
  213: # gets called by Alt-0, used to print out variable while
  214: # still running
  215: ###########################################################
  216: # Argument: none
  217: # Returns : nothing
  218: # Globals : auto_path
  219: ###########################################################
  220: proc printInfo { } {
  221:     global auto_path gUndo gRefText
  222:     set num [lindex [array names gRefText] 0]
  223:     set a "updateLocation 0"
  224:     puts [list Main2: [time $a 20000]]
  225:     set a "updateLocation $num"
  226:     puts [list Ref  : [time $a 20000]]
  227: }
  228: 
  229: ###########################################################
  230: # createXdviOpt
  231: ###########################################################
  232: ###########################################################
  233: ###########################################################
  234: proc createXdviOpt {} {
  235:     global gXdviOpt gWindowMenu
  236: 
  237:     if { [winfo exists .xdviOpt] } { 
  238: 	capaRaise .xdviOpt 
  239: 	return
  240:     }
  241: 
  242:     set xdviOpt [toplevel .xdviOpt]
  243:     $gWindowMenu add command -label "XdviOptions" -command "capaRaise $xdviOpt"
  244:     wm title $xdviOpt "Options for Xdvi"
  245: 
  246:     set messageFrame [frame $xdviOpt.msg]
  247:     message $xdviOpt.msg2 -text "Example: -geometry 800x700" -aspect 5000
  248:     set buttonFrame [frame $xdviOpt.buttons -bd 10]
  249:     pack $messageFrame $xdviOpt.msg2 $buttonFrame -side top -fill x
  250: 
  251:     message $messageFrame.msg -text "Options to xdvi:" -aspect 5000
  252:     entry $messageFrame.entry -textvariable gXdviOpt
  253: 
  254:     pack $messageFrame.msg $messageFrame.entry -side left -fill x
  255:     
  256:     button $buttonFrame.ok -text Dismiss -command "destroy $xdviOpt
  257:             removeWindowEntry XdviOptions" -underline 0
  258:     pack $buttonFrame.ok -side left
  259:     bind $xdviOpt <Destroy> "removeWindowEntry XdviOptions"
  260: }
  261: 
  262: ###########################################################
  263: # createInfoWindow
  264: ###########################################################
  265: # creates the Information window
  266: ###########################################################
  267: # Arguments: None
  268: # Returns: Nothing
  269: # Globals: gDate - the variable containg the current date 
  270: #          gWindowMenu - used to register the new window in the
  271: #                        windows menu
  272: #          gVer - Stores the current version of Quizzer (set in 
  273: #                 C init code
  274: ###########################################################
  275: proc createInfoWindow {} {
  276:     global gDate gWindowMenu gVer gTclVer gCmd gCompileDate gUndoSize gUniqueNumber
  277: 
  278:     if { [winfo exists .about] } { 
  279: 	capaRaise .about
  280: 	return 
  281:     }
  282: 
  283:     set about [toplevel .about]
  284:     $gWindowMenu add command -label "About" -command "capaRaise $about"
  285:     wm title $about "About" 
  286:     
  287:     label $about.l1  -font 12x24 -text "Quizzer $gVer" -pady 20
  288:     label $about.l4  -font 8x13 -text "Quizzer.tcl version $gTclVer" -pady 20
  289:     label $about.l6  -font 8x13 -text "$gCompileDate" 
  290:     message $about.l2 -font 8x13 -text "Code by: Y. Tsai, G. Albertelli II Copyright Michigan State University Board of Trustees, 1992-1999, No Unauthorized Commercial Use" \
  291: 	-pady 20 -aspect 300
  292:     label $about.l3  -font 8x13 -textvariable gDate 
  293:     label $about.l5  -font 8x13 -textvariable gCmd
  294:     label $about.l7  -font 8x13 -textvariable gUndoSize
  295:     label $about.l8  -font 8x13 -textvariable gUniqueNumber
  296:    
  297:     button $about.close -text "Close" -command "destroy $about
  298:                                                 removeWindowEntry About"
  299:     
  300:     pack $about.l1 $about.l4 $about.l6 $about.l2 $about.l3 $about.l5 $about.l7 $about.l8\
  301: 	    $about.close -side top 
  302:     bind $about <Destroy> "removeWindowEntry About"
  303:     Centre_Dialog $about default
  304: }
  305: 
  306: ###########################################################
  307: # enterSelection 
  308: ###########################################################
  309: ###########################################################
  310: ###########################################################
  311: proc enterSelection {} {
  312:     global gTextWindow gFind
  313:     if { [catch {set gTextWindow}] } { return }
  314:     if { ![winfo exists $gTextWindow] } { return }
  315: 
  316:     createFindWindow
  317:     catch {set gFind(find) [$gTextWindow get sel.first sel.last]}
  318: }
  319: 
  320: ###########################################################
  321: # jumpToSelection 
  322: ###########################################################
  323: ###########################################################
  324: ###########################################################
  325: proc jumpToSelection {} {
  326:     global gTextWindow
  327:     catch {$gTextWindow see sel.first}
  328: }
  329: 
  330: proc cut {} {global gTextWindow;tk_textCut $gTextWindow}
  331: proc copy {} {global gTextWindow;tk_textCopy $gTextWindow}
  332: proc paste {} {global gTextWindow;tk_textPaste $gTextWindow}
  333: 
  334: ###########################################################
  335: # selectAll 
  336: ###########################################################
  337: ###########################################################
  338: ###########################################################
  339: proc selectAll { { refNum 0 } } {
  340:     global gTextWindow gRefText
  341: 
  342:     if { $refNum } { set window $gRefText($refNum) } else {
  343: 	catch {set window $gTextWindow}
  344:     } 
  345:     if { ![winfo exists $window] } { return }
  346:     $window tag add sel 0.0 end
  347: }
  348: 
  349: ###########################################################
  350: # creatEditingWindow
  351: ###########################################################
  352: ###########################################################
  353: # Arguments: none
  354: # Returns: a one if the Editing window existed and a zero
  355: #          if it created a new window
  356: # Globals:
  357: ###########################################################
  358: proc createEditingWindow { {setupUndo 1} } {
  359:     global gEditWindow gPreviewMode gTextWindow gSetNumberText gFile \
  360: 	gWindowMenu gNumberParsedText gLineNumberGoto gUndo \
  361: 	gCharacterNumberGoto gLineNumberGoto gClosedDocument \
  362: 	gPreviewButton gFirstTime
  363: 
  364:     if { [winfo exists .editwindow] } { 
  365: 	capaRaise .editwindow
  366: 	return 1 
  367:     }
  368:     set gFirstTime 1
  369: 
  370:     set gEditWindow [toplevel .editwindow]
  371:     $gWindowMenu add command -label "$gFile" -command "capaRaise $gEditWindow"
  372:     wm title $gEditWindow $gFile
  373:     set gClosedDocument 0
  374:     set editWindow [frame $gEditWindow.frame -borderwidth 10]
  375:     
  376:     pack $editWindow -expand 1 -fill both
  377:    
  378:     set editTop [frame $editWindow.editTop]
  379:     set editBottom [frame $editWindow.editBottom]
  380: 
  381:     pack $editTop $editBottom -side top
  382:     pack configure $editBottom -expand 1 -fill both
  383: 
  384:     set menuFrame [frame $editTop.menu -borderwidth 2 -relief raised]
  385:     set assignInfo [frame $editTop.assignInfo -borderwidth 4 -relief groove]
  386:     set mode [frame $editTop.mode -borderwidth 4 -relief groove]
  387:     set buttonAndGoto [frame $editTop.buttonAndGoto ]
  388:     pack $menuFrame $assignInfo $mode $buttonAndGoto -side left
  389:     pack configure $menuFrame -anchor n
  390: 
  391:     menubutton $menuFrame.edit -text Edit -menu $menuFrame.edit.m
  392:     pack $menuFrame.edit -side left
  393: 
  394:     set edit [ menu $menuFrame.edit.m ]
  395:     $edit add command -label "Cut" -command { cut } -accelerator "Alt+x"
  396:     $edit add command -label "Copy" -command { copy } -accelerator "Alt+c"
  397:     $edit add command -label "Paste" -command { paste } -accelerator "Alt+v"
  398:     $edit add command -label "Select All " -command { selectAll } -accelerator "Alt+a"
  399:     $edit add separator
  400:     $edit add command -label "Undo" -command "undo 0" -accelerator "Alt+u"
  401:     $edit add separator
  402:     $edit add command -label "Find" -command { createFindWindow } -accelerator "Alt+f"
  403:     bind all <Alt-f> createFindWindow
  404: 
  405:     set buttons [frame $buttonAndGoto.buttons ]
  406:     set gotoFrame [ frame $buttonAndGoto.gotoFrame ]
  407:     pack $buttons $gotoFrame -side top
  408: 
  409:     set button1 [frame $buttons.button1]
  410:     set button2 [frame $buttons.button2]
  411:     pack $button1 $button2 -side top
  412: 
  413:     set gPreviewButton [button $button1.preview -text "Preview"  -command \
  414: 			    { studentSelectWindow createPreviewWindow }]
  415:     button $button1.dbHeader -text "DB Header"  -command createDBHeader
  416:     button $button1.include -text "Include"  -command includeFile
  417:     pack $button1.preview $button1.dbHeader $button1.include -side left
  418:     
  419:     button $button2.header -text "Std. Header" \
  420:  	    -command insertStandardHeader
  421:     button $button2.import -text "Import" -command importFile
  422:     button $button2.end -text "Endline" -command insertEndline
  423:     pack $button2.header $button2.import $button2.end -side left
  424:         
  425:     label $gotoFrame.msg -text "Current Line:"
  426:     label $gotoFrame.current -textvariable gLineNumber
  427:     entry $gotoFrame.line -width 8 -textvariable gLineNumberGoto
  428:     bind $gotoFrame.line <KeyPress-Return> "gotoLine"
  429:     button $gotoFrame.button -text "Goto" -command "gotoLine"
  430:     pack $gotoFrame.msg $gotoFrame.current $gotoFrame.line \
  431: 	    $gotoFrame.button -side left
  432:     # variable used by gotoLine, needs to be set if it doesn't exist
  433:     if { [ catch { set gCharacterNumberGoto } ] } {
  434: 	set gCharacterNumberGoto ""
  435:     }
  436: 
  437:     label $assignInfo.time -textvariable gDate 
  438:     set setNum [frame $assignInfo.setNum -borderwidth 2]
  439:     set probsParsed [frame $assignInfo.probsParsed -borderwidth 2]
  440:     
  441:     pack $assignInfo.time $setNum $probsParsed -side top
  442:     pack configure $setNum $probsParsed -anchor e
  443: 
  444:     message $setNum.msg -text "Problem Set Number" -aspect 10000 
  445:     set setNumberWindow [message $setNum.num  -relief sunken  -width 70 \
  446: 	    -textvariable gSetNumberText]
  447:     
  448:     pack $setNum.num $setNum.msg -side right -anchor e
  449: 
  450:     label $probsParsed.msg -text "Number of Questions Parsed"  
  451:     set numberParsedWindow [label $probsParsed.num -relief sunken  \
  452: 	    -textvariable gNumberParsedText]
  453:     
  454:     pack $probsParsed.num $probsParsed.msg -side right -anchor e
  455:     
  456:     message $mode.msg -text "Mode" -aspect 10000 
  457:     radiobutton $mode.enscript -text "Enscript" -value "Enscript" \
  458: 	    -variable gPreviewMode 
  459:     radiobutton $mode.tex -text "TeX" -value "TeX" -variable gPreviewMode
  460:     radiobutton $mode.web -text "Web" -value "Web" -variable gPreviewMode
  461:     
  462:     pack $mode.msg $mode.enscript $mode.tex $mode.web -side top
  463:     pack configure $mode.enscript $mode.tex $mode.web -anchor w 
  464:     set gPreviewMode Enscript
  465: 
  466:     scrollbar $editBottom.scroll -orient vertical -command \
  467: 	    "$editBottom.text yview"
  468:     set gTextWindow [text $editBottom.text -yscrollcommand \
  469: 	    "$editBottom.scroll set" -wrap char -height 40]
  470: 
  471:     pack $editBottom.scroll $editBottom.text -side left -expand 0
  472:     pack configure $editBottom.scroll -expand 0 -fill y
  473:     pack configure $editBottom.text -expand true -fill both
  474: 
  475:     if { $setupUndo} {
  476: 	rename $gTextWindow .$gTextWindow
  477: 	trackChanges $gTextWindow 0
  478: 	set gUndo(0) 0
  479: 	set gUndo(0.cur) 0
  480:     }
  481: 
  482:     bind $gTextWindow <Alt-s> saveDocument
  483:     bind $gTextWindow <Alt-Shift-s> { saveDocument 1 }
  484:     bind $gEditWindow <Alt-w> closeDocument
  485: #    bind $gEditWindow <Destroy> "closeDocument 1"
  486:     wm protocol $gEditWindow WM_DELETE_WINDOW "closeDocument 1"
  487:     bind $gTextWindow <Alt-x> "tk_textCut %W"
  488:     bind $gTextWindow <Alt-c> "tk_textCopy %W"
  489:     bind $gTextWindow <Alt-v> "tk_textPaste %W"
  490:     bind $gTextWindow <Alt-a> selectAll 
  491:     bind $gTextWindow <Alt-u> "undo 0" 
  492:     addFindList
  493:     Centre_Dialog $gEditWindow default
  494: 
  495:     createImportLinks 0 0.0 end
  496:     return 0
  497: }
  498: 
  499: ###########################################################
  500: # includeFile 
  501: ###########################################################
  502: ###########################################################
  503: ###########################################################
  504: proc includeFile {} {
  505:     global gTextWindow gDir
  506:     
  507:     if { [makeSure "Is the cursor in the correct position?"] == "Cancel" } {
  508: 	return
  509:     }
  510:     
  511: #    if { $gDir(include) == "." } { set gDir(include) [pwd] }
  512:     set file [tk_getOpenFile -filetypes \
  513: 	    { { {All Files} {"*"} } { {Quizzer} {"*.qz"} } } \
  514: 	    -title "Select the proper file" \
  515: 	    -initialdir "$gDir(include)" ]
  516:     if { $file == "" } { return }
  517:     set gDir(include) [file dirname $file]
  518: 
  519:     if { $file == "" } { return }
  520: 
  521:     set fileId [open $file "r"]
  522:     
  523:     $gTextWindow insert insert [read $fileId [file size $file]]
  524: }
  525: 
  526: ###########################################################
  527: # insertStandardHeader 
  528: ###########################################################
  529: ###########################################################
  530: ###########################################################
  531: proc insertStandardHeader {} {
  532:     global gTextWindow gCapaConfig
  533:     
  534:     if { [makeSure "Is the cursor in the correct position?"] == "Cancel" } {
  535:  	return
  536:     }
  537:     $gTextWindow insert insert $gCapaConfig(standardQuizzerHeader)
  538: }
  539: 
  540: ###########################################################
  541: # importFile 
  542: ###########################################################
  543: ###########################################################
  544: ###########################################################
  545: proc importFile {} {
  546:     global gTextWindow gDir gProbVal gTryVal gHintVal gPutLine
  547:     
  548:     if { [makeSure "Is the cursor in the correct position?"] == "Cancel" } {
  549:  	return
  550:     }
  551:     
  552: #    if { $gDir(import) == "." } { set gDir(import) [pwd] }
  553:     set file [tk_getOpenFile -filetypes \
  554: 	    { { {All Files} {"*"} } { {Quizzer} {"*.qz"} } } \
  555: 	    -title "Select the proper file" -initialdir "$gDir(import)" ]
  556:     if { $file == "" } { return }
  557:     set gDir(import) [file dirname $file]
  558: 
  559:     
  560:     if { [getProbValTryVal] == "Cancel" } { return }
  561:     
  562:     $gTextWindow insert insert "//\n/BEG prob_val=$gProbVal\n/LET try_val=$gTryVal\n/LET hint_val=$gHintVal\n/DIS(\"$file\")\n/IMP \"$file\"\n"
  563:     if { $gPutLine } {
  564: 	$gTextWindow insert insert "/DIS(stdline)\n"
  565:     } else {
  566:  	$gTextWindow insert insert "/DIS(webonlyline)\n"
  567:     }
  568:     $gTextWindow see insert
  569: }
  570: 
  571: ###########################################################
  572: # insertEndline 
  573: ###########################################################
  574: ###########################################################
  575: ###########################################################
  576: proc insertEndline {} {
  577:     global gTextWindow
  578:     
  579:     if { [makeSure "Is the cursor in the correct position?"] == "Cancel" } {
  580:  	return
  581:     }
  582:     $gTextWindow insert insert "/END(stdendline)\n"
  583: }
  584: 
  585: ###########################################################
  586: # getProbValTryVal
  587: ###########################################################
  588: ###########################################################
  589: ###########################################################
  590: proc getProbValTryVal {} {
  591:     global gPrompt gProbVal gTryVal gHintVal gPutLine
  592:     
  593:     set dialog [toplevel .getProbValTryVal -borderwidth 10]
  594:     wm title $dialog "Getting Problem Value and Try Value"
  595:     wm geo $dialog "+200+200"
  596:     message $dialog.msg -text "Set the weight of the problem and the number of tries allowed." -aspect 700
  597:     
  598:     set gPrompt(result) ""
  599:     scale $dialog.probVal -orient horizontal -variable gProbVal \
  600:  	    -from 0 -to 9 -label "Problem Value" -length 150
  601:     scale $dialog.tryVal -orient horizontal -variable gTryVal \
  602:  	    -from 0 -to 99 -label "Try Value" -length 150
  603:     scale $dialog.hintVal -orient horizontal -variable gHintVal \
  604:  	    -from 1 -to 99 -label "Number of Tries Before Showing Hint" -length 150
  605:     set gPrompt(stdline.1) "Put a stdline after this problem."
  606:     set gPrompt(stdline.0) "Put a webonlyline after this problem."
  607:     checkbutton $dialog.putLine -variable gPutLine \
  608: 	    -width 38 \
  609: 	    -textvariable gPrompt(displayLine) \
  610: 	    -command { set gPrompt(displayLine) $gPrompt(stdline.$gPutLine) }
  611:     set gPrompt(displayLine) $gPrompt(stdline.$gPutLine) 
  612:     set buttonFrame [frame $dialog.buttons -bd 10]
  613:     pack $dialog.msg $dialog.probVal $dialog.tryVal $dialog.hintVal $dialog.putLine \
  614:  	    $buttonFrame -side top -fill x
  615:     
  616:     button $buttonFrame.yes -text Import -command {set gPrompt(yes) 1} \
  617:  	    -underline 0
  618:     button $buttonFrame.cancel -text Cancel -command { set gPrompt(yes) 0 } \
  619:  	    -underline 0
  620:     pack $buttonFrame.yes $buttonFrame.cancel -side left
  621:     
  622:     bind $dialog <Alt-Key> break
  623:     bind $dialog <Destroy> "set gPrompt(yes) 0"
  624:     Centre_Dialog $dialog default
  625:     update
  626:     
  627:     focus $dialog
  628:     capaRaise $dialog
  629:     capaGrab $dialog
  630:     vwait gPrompt(yes)
  631:     capaGrab release $dialog
  632:     bind $dialog <Destroy> ""
  633:     destroy $dialog
  634:     if {$gPrompt(yes)} {
  635:  	return Done
  636:     } else {
  637:  	return Cancel
  638:     }
  639: }
  640: 
  641: ###########################################################
  642: # updateDateBox 
  643: ###########################################################
  644: ###########################################################
  645: ###########################################################
  646: proc updateDateBox { listbox } {
  647:     global gControlDates
  648:     $listbox delete 0 end
  649:     for {set i 0} {$i < [llength $gControlDates]} {incr i } {
  650: 	set date [lindex $gControlDates $i]
  651: 	if { $i != 0 } {
  652: 	    $listbox insert end [eval format {"%4d %4d   %s %s %s"} $date]
  653: 	} else {
  654: 	    $listbox insert end [eval format {"  DEFAULT   %s %s %s"} [lrange $date 2 end]]
  655: 	}
  656:     }
  657: }
  658: 
  659: ###########################################################
  660: # loadDates 
  661: ###########################################################
  662: ###########################################################
  663: ###########################################################
  664: proc loadDates { listbox } {
  665:     global gControlDates
  666:     if { [catch {getHeaderInfo}]} { 
  667: 	displayError "That set.db does not exist"
  668:     } 
  669:     updateDateBox $listbox
  670: }
  671: 
  672: ###########################################################
  673: # deleteDate 
  674: ###########################################################
  675: ###########################################################
  676: ###########################################################
  677: proc deleteDate { listbox } {
  678:     global gControlDates
  679:     if { [set a [$listbox index anchor]] != 0 } {
  680: 	catch {$listbox delete anchor}
  681: 	set gControlDates [lreplace $gControlDates $a $a]
  682:     } else {
  683: 	displayError "You can not delete the default setting, only change it."
  684:     }
  685: }
  686: 
  687: ###########################################################
  688: # checkHeaderForDefault 
  689: ###########################################################
  690: ###########################################################
  691: ###########################################################
  692: proc checkHeaderForDefault { } {
  693:     global gControlDates
  694:     if { [lindex [lindex $gControlDates 0] 0] == 0 && \
  695: 	     [lindex [lindex $gControlDates 0] 1] == 0 } {
  696: 	return 1
  697:     }
  698:     return 0
  699: }
  700: 
  701: ###########################################################
  702: # dueAnswerOrder 
  703: ###########################################################
  704: ###########################################################
  705: ###########################################################
  706: proc dueAnswerOrder { } {
  707:     global gDates
  708:     set duetime [clock scan "$gDates(duemonth)/$gDates(dueday)/$gDates(dueyear) $gDates(duehour):$gDates(dueminute)"]
  709:     set answertime [clock scan "$gDates(answermonth)/$gDates(answerday)/$gDates(answeryear) $gDates(answerhour):$gDates(answerminute)"]
  710:     if { $duetime > $answertime } { return 1 } { return 0 }
  711: }
  712: 
  713: ###########################################################
  714: # checkDateFields 
  715: ###########################################################
  716: ###########################################################
  717: ###########################################################
  718: proc checkDateFields { } {
  719:     global gDates
  720: 
  721:     set result 1
  722:     foreach kind { open due answer } {
  723: 	foreach type { year month day hour minute } {
  724: 	    if { [validate $kind $type] != 1 } {
  725: 		return $kind$type
  726: 	    }
  727: 	}
  728:     }
  729:     if { [validate "" durationhour] != 1 } { return durationhour }
  730:     if { [validate  duration minute] != 1 } { return durationminute }
  731:     if { [catch { expr $gDates(sectionstart) }] } { return sectionstart } else {
  732: 	if {[string length $gDates(sectionstart)] <1} { return sectionstart } else {
  733: 	    if { [catch { expr $gDates(sectionend) }] } { return sectionend } else {
  734: 		if {[string length $gDates(sectionend)] <1} { return sectionend } 
  735: 	    }
  736: 	}
  737:     }    
  738:     return $result
  739: }
  740: 
  741: ###########################################################
  742: # validate
  743: ###########################################################
  744: ###########################################################
  745: ###########################################################
  746: proc validate { kind type {newvalue novalue} } {
  747:     global gDates
  748:     #tcl interprets all strings of digits with 0 as the first number as being 
  749:     #in octal, need to prevent this from causing an error
  750:     if { $newvalue == "novalue" } { 
  751: 	set temp $gDates($kind$type)
  752: 	set lowfail -1
  753:     } else {
  754: 	if { $newvalue == "" } { return 1 }
  755: 	set temp $newvalue
  756: 	set lowfail 1
  757:     }
  758:     if { [string length $temp] > 1  && [string index $temp 0] == 0 } {
  759: 	set test [string range $temp 1 end]
  760:     } else {
  761: 	set test $temp
  762:     }
  763:     if { [catch { expr $test }] } { return 0 } else {
  764: 	switch $type {
  765: 	    year { 
  766: 		if { $test < 1990 } { return $lowfail } 
  767: 		if { $test > 9999 } { return 0 } 
  768: 		if { [string length $temp] > 4 } { return 0 }
  769: 	    }
  770: 	    month { 
  771: 		if { $test < 1 } { return $lowfail } 
  772: 		if { $test > 12 } { return 0 } 
  773: 		if { [string length $temp] > 2 } { return 0 }
  774: 	    }
  775: 	    day { 
  776: 		if { $test < 1 } { return $lowfail } 
  777: 		if { $test > 31 } { return 0 } 
  778: 		if { [string length $temp] > 2 } { return 0 }
  779: 	    }
  780: 	    hour {
  781: 		if { $test < 0 } { return 0 }
  782: 		if { $test > 23 } { return 0 }
  783: 		if { [string length $temp] > 2 } { return 0 }
  784: 	    }
  785: 	    minute {
  786: 		if { $test < 0 } { return 0 }
  787: 		if { $test > 59 } { return 0 }
  788: 		if { [string length $temp] > 2 } { return 0 }
  789: 	    }
  790: 	    durationhour {
  791: 		if { $test < 0 } { return 0 }
  792: 		if { [string length $temp] > 4 } { return 0 }
  793: 	    }
  794: 	}
  795:     }
  796:     return 1
  797: }
  798: 
  799: ###########################################################
  800: # getday
  801: ###########################################################
  802: ###########################################################
  803: ###########################################################
  804: proc getday { kind } {
  805:     global gDates
  806:     if { [set day $gDates([set kind]day)] != ""} {
  807: 	if { [set month $gDates([set kind]month)] != ""} {
  808: 	    if { [set year $gDates([set kind]year)] != ""} {
  809: 		if { [ catch { set gDates($kind.dayoweek) \
  810: 				   [clock format [clock scan "$month/$day/$year"] \
  811: 					-format %a] } error ] } {
  812: 		    set gDates($kind.dayoweek) ""
  813: 		}
  814: 		return
  815: 	    }
  816: 	}
  817:     }
  818:     set gDates($kind.dayoweek) ""
  819: }
  820: 
  821: ###########################################################
  822: # enableDateValidation
  823: ###########################################################
  824: ###########################################################
  825: ###########################################################
  826: proc  enableDateValidation { toplevel } {
  827:     global gDates
  828:     set dateFrame $toplevel.dateFrame
  829:     foreach type { open due answer } {
  830: 	$dateFrame.[set type]date.year configure -validate key \
  831: 	    -validatecommand "validate $type year %P"
  832: 	$dateFrame.[set type]date.month configure -validate key \
  833: 	    -validatecommand "validate $type month %P"
  834: 	$dateFrame.[set type]date.day configure -validate key \
  835: 	    -validatecommand "validate $type day %P"
  836: 	$dateFrame.[set type]time.hour configure -validate key \
  837: 	    -validatecommand "validate $type hour %P"
  838: 	$dateFrame.[set type]time.minute configure -validate key \
  839: 	    -validatecommand "validate $type minute %P"
  840:     }
  841:     $gDates(optFrame).duration.hour configure -validate key \
  842: 	-validatecommand "validate {} durationhour %P"
  843:     $gDates(optFrame).duration.minute configure -validate key \
  844: 	-validatecommand "validate duration minute %P"
  845: 
  846: }
  847: 
  848: ###########################################################
  849: # addDateOptions
  850: ###########################################################
  851: ###########################################################
  852: ###########################################################
  853: proc addDateOptions {} {
  854:     global gDates
  855:     pack $gDates(optFrame2)
  856:     $gDates(optBut) configure -text "Less Options" -command "removeDateOptions"
  857: }
  858: 
  859: ###########################################################
  860: # removeDateOptions
  861: ###########################################################
  862: ###########################################################
  863: ###########################################################
  864: proc removeDateOptions {} {
  865:     global gDates
  866:     pack forget $gDates(optFrame2)
  867:     $gDates(optBut) configure -text "More Options" -command "addDateOptions"
  868: }
  869: 
  870: ###########################################################
  871: # createDateDialog
  872: ###########################################################
  873: ###########################################################
  874: ###########################################################
  875: proc createDateDialog { toplevel makedefault } {
  876:     global gDates gPrompt2
  877: 
  878:     catch [unset gDates]
  879: 
  880:     set infoFrame [frame $toplevel.infoFrame]
  881:     set sectionFrame [frame $toplevel.sectionFrame -borderwidth 4]
  882:     set dateFrame [frame $toplevel.dateFrame]
  883:     set optionsFrame [frame $toplevel.optionsFrame]
  884:     set buttonFrame [frame $toplevel.buttonFrame]
  885:     pack $infoFrame $sectionFrame $dateFrame $buttonFrame -side top
  886:     
  887:     if { $makedefault } {
  888: 	label $sectionFrame.sectionl -text "Default value for all sections:"
  889: 	pack $sectionFrame.sectionl
  890: 	set gDates(sectionstart) 0
  891: 	set gDates(sectionend) 0
  892:     } else {
  893: 	grid [label $sectionFrame.sectionl -text "Dates and times are for"] \
  894: 	    -column 0 -columnspan 4 -row 0
  895: 	grid [label $sectionFrame.section12 -text "section:"] -column 0 -row 1
  896: 	grid [entry $sectionFrame.start -width 3 -textvariable gDates(sectionstart)] \
  897: 	    -column 1 -row 1
  898: 	grid [label $sectionFrame.sectionl3 -text "through section: "] -column 2 -row 1
  899: 	grid [entry $sectionFrame.end -width 3 -textvariable gDates(sectionend)] \
  900: 	    -column 3 -row 1
  901: 	button $buttonFrame.getdefaults -text "Get Defaults" -command \
  902: 	    "setValues 0 0;enableDateValidation $toplevel"
  903: 	pack $buttonFrame.getdefaults -side left
  904:     }
  905: 
  906:     grid [label $dateFrame.datel -text "Date"] -column 1 -row 0
  907:     grid [label $dateFrame.timel -text "Time"] -column 2 -row 0
  908:     grid [label $dateFrame.helpd -text "yyyy/mm/dd"] -column 1 -row 1
  909:     grid [label $dateFrame.helpt -text "hh:mm"] -column 2 -row 1
  910:     grid [label $dateFrame.openl -text "Open"] -column 0 -row 2
  911:     grid [set openDate [frame $dateFrame.opendate -borderwidth 2 -relief sunken]] -column 1 -row 2
  912:     grid [set openTime [frame $dateFrame.opentime -borderwidth 2 -relief sunken]] -column 2 -row 2
  913:     grid [label $dateFrame.openday -textvariable gDates(open.dayoweek)] -column 3 -row 2
  914:     grid [label $dateFrame.duel -text "Due"] -column 0 -row 3
  915:     grid [set dueDate [frame $dateFrame.duedate -borderwidth 2 -relief sunken]] -column 1 -row 3
  916:     grid [set dueTime [frame $dateFrame.duetime -borderwidth 2 -relief sunken]] -column 2 -row 3
  917:     grid [label $dateFrame.dueday -textvariable gDates(due.dayoweek)] -column 3 -row 3
  918:     grid [label $dateFrame.answerl -text "Answer"] -column 0 -row 4
  919:     grid [set answerDate [frame $dateFrame.answerdate -borderwidth 2 -relief sunken]] -column 1 -row 4
  920:     grid [set answerTime [frame $dateFrame.answertime -borderwidth 2 -relief sunken]] -column 2 -row 4		
  921:     grid [label $dateFrame.ansday -textvariable gDates(answer.dayoweek)] -column 3 -row 4
  922:     
  923:     
  924:     foreach type { open due answer } {
  925: 	entry [set [set type]Date].year -width 4 -textvariable gDates([set type]year) 
  926: 	label [set [set type]Date].sl1 -text "/"
  927: 	entry [set [set type]Date].month -width 2 -textvariable gDates([set type]month) 
  928: 	label [set [set type]Date].sl2 -text "/"
  929: 	entry [set [set type]Date].day -width 2 -textvariable gDates([set type]day) 
  930: 	entry [set [set type]Time].hour -width 2 -textvariable gDates([set type]hour) 
  931: 	label [set [set type]Time].colon -text ":"
  932: 	entry [set [set type]Time].minute -width 2 -textvariable gDates([set type]minute)
  933: 	pack [set [set type]Date].year [set [set type]Date].sl1 \
  934: 	    [set [set type]Date].month [set [set type]Date].sl2 \
  935: 	    [set [set type]Date].day -side left
  936: 	pack [set [set type]Time].hour [set [set type]Time].colon \
  937: 	    [set [set type]Time].minute -side left
  938:     }
  939: 
  940:     set optionsFrame3 [frame $optionsFrame.options]
  941:     set gDates(optFrame) [ set optionsFrame2 [frame $optionsFrame3.options ] ]
  942:     pack $gDates(optFrame) $optionsFrame3
  943:     set gDates(optFrame2) $optionsFrame
  944: 
  945:     set durationFrame [frame $optionsFrame2.duration]
  946:     checkbutton $optionsFrame2.view -variable gDates(viewbetween) \
  947: 	-text "Allow Viewing between Due and Answer dates" 
  948:     checkbutton $optionsFrame2.response -variable gDates(inhibitresponse) \
  949: 	-text "Inhibit Correct/Incorrect response \n(normally only for exams/quizzes)"
  950:     pack $durationFrame $optionsFrame2.view $optionsFrame2.response -side top
  951:     set gDates(viewbetween) 0
  952:     set gDates(inhibitresponse) 0
  953: 
  954:     label $durationFrame.label -text "Duration"
  955:     entry $durationFrame.hour  -width 4 -textvariable gDates(durationhour)
  956:     label $durationFrame.colon -text ":"
  957:     entry $durationFrame.minute -width 2 -textvariable gDates(durationminute) 
  958:     pack $durationFrame.label $durationFrame.hour $durationFrame.colon \
  959: 	$durationFrame.minute -side left
  960:     set gDates(durationhour) 0
  961:     set gDates(durationminute) 0
  962: 
  963:     button $buttonFrame.help -text "Help" -command "showHelp dateEntry"
  964:     button $buttonFrame.set -text "Ok" -command "set gPrompt2(ok) 1"
  965:     button $buttonFrame.cancel -text "Cancel" -command "set gPrompt2(ok) 0"
  966:     set gDates(optBut) [ button $buttonFrame.options -text "More Options" \
  967: 			     -command "addDateOptions"]
  968:     pack $buttonFrame.help $buttonFrame.set $buttonFrame.cancel $buttonFrame.options \
  969: 	-side left
  970:     bind $toplevel <Destroy> "set gPrompt2(ok) 0"
  971:     bind $toplevel <KeyPress> "getday open;getday due;getday answer"
  972:     bind $toplevel <Return> {tkTabToWindow [tk_focusNext %W]}
  973: }
  974: 
  975: ###########################################################
  976: # addCurrentDates
  977: ###########################################################
  978: ###########################################################
  979: ###########################################################
  980: proc addCurrentDates { listbox makedefault {which -1} } {
  981:     global gControlDates gDates
  982:     foreach kind { open due answer } {
  983: 	foreach type { year month day hour minute } {
  984: 	    #tcl interprets all strings of digits with 0 as the first number as 
  985: 	    #being in octal, need to prevent this from causing an error
  986: 	    if { [string length $gDates($kind$type)] > 1  && \
  987: 		     [string index $gDates($kind$type) 0] == 0 } {
  988: 		set gDates($kind$type) [string range $gDates($kind$type) 1 end]
  989: 	    }
  990: 	}
  991:     }
  992:     set datestring [list $gDates(sectionstart) $gDates(sectionend) \
  993: 			[format "%04d/%02d/%02d %02d:%02d" $gDates(openyear) \
  994: 			     $gDates(openmonth) $gDates(openday) \
  995: 			     $gDates(openhour) $gDates(openminute) ] \
  996: 			[format "%04d/%02d/%02d %02d:%02d" $gDates(dueyear) \
  997: 			     $gDates(duemonth) $gDates(dueday) \
  998: 			     $gDates(duehour) $gDates(dueminute) ] \
  999: 			[format "%04d/%02d/%02d %02d:%02d" $gDates(answeryear) \
 1000: 			     $gDates(answermonth) $gDates(answerday) \
 1001: 			     $gDates(answerhour) $gDates(answerminute) ] \
 1002: 		        [format "%d:%d" $gDates(durationhour) $gDates(durationminute)] \
 1003: 			$gDates(inhibitresponse) $gDates(viewbetween) ]
 1004:     if { $makedefault } {
 1005: 	if { ([info globals gControlDates] == "") || ($gControlDates == "") } {
 1006: 	    set gControlDates [list $datestring]
 1007: 	} else { 
 1008: 	    set gControlDates [lreplace $gControlDates 0 0 $datestring]
 1009: 	}
 1010:     } else {
 1011: 	if { $which > -1 } {
 1012: #	    puts "$gControlDates=$which=$which=$datestring"
 1013: 	    set gControlDates [lreplace $gControlDates $which $which $datestring]
 1014: 	} else {
 1015: 	    lappend gControlDates $datestring
 1016: 	}
 1017:     }
 1018:     updateDateBox $listbox
 1019: }
 1020: 
 1021: ###########################################################
 1022: # setValues
 1023: ###########################################################
 1024: ###########################################################
 1025: ###########################################################
 1026: proc setValues { which {doSections 1} } {
 1027:     global gControlDates gDates
 1028:     set datestring [lindex $gControlDates $which]
 1029:     if { $doSections } {
 1030: 	set gDates(sectionstart) [lindex $datestring 0]
 1031: 	set gDates(sectionend) [lindex $datestring 1]
 1032:     }
 1033:     foreach type {open due answer} element {2 3 4} {
 1034: 	set gDates([set type]year) [lindex [split [lindex $datestring $element] "/" ] 0]
 1035: 	set gDates([set type]month) [lindex [split [lindex $datestring $element] "/" ] 1]
 1036: 	set gDates([set type]day) [lindex [split [lindex [lindex $datestring $element] 0] "/" ] 2]
 1037: 	set gDates([set type]hour) [lindex [split [lindex [lindex $datestring $element] 1] ":" ] 0]
 1038: 	set gDates([set type]minute) [lindex [split [lindex [lindex $datestring $element] 1] ":" ] 1]
 1039:     }
 1040:     set gDates(durationhour) [lindex [split [lindex $datestring 5] ":" ] 0]
 1041:     set gDates(durationminute) [lindex [split [lindex $datestring 5] ":" ] 1]
 1042:     set gDates(inhibitresponse) [lindex $datestring 6]
 1043:     set gDates(viewbetween) [lindex $datestring 7]
 1044:     getday open
 1045:     getday due
 1046:     getday answer
 1047: }
 1048: 
 1049: ###########################################################
 1050: # changeDate
 1051: ###########################################################
 1052: ###########################################################
 1053: ###########################################################
 1054: proc changeDate { listbox } {
 1055:     global gDates gPrompt2 gControlDates
 1056: 
 1057:     if { ![winfo exists $listbox] } { return }
 1058:     if { [winfo exists .adddate] } { return }
 1059:     if { [set which [$listbox index anchor]] == 0 } { set makedefault 1 } else { 
 1060: 	set makedefault 0 }
 1061:     if { $which == [$listbox index end] } {addDate $listbox;return}
 1062:     set changeDate [toplevel .changeDate]
 1063:     createDateDialog $changeDate $makedefault
 1064:     setValues $which
 1065:     enableDateValidation $changeDate
 1066: 
 1067:     if { $makedefault } {
 1068: 	set gDates(sectionstart) 0
 1069: 	set gDates(sectionend) 0
 1070:     }
 1071: 
 1072:     Centre_Dialog $changeDate default
 1073:     update
 1074: 
 1075:     focus $changeDate
 1076:     capaRaise $changeDate
 1077:     capaGrab $changeDate
 1078:     set done 0
 1079:     while { $done != 1 } {
 1080: 	vwait gPrompt2(ok)
 1081: 	if { $gPrompt2(ok) == 1 } {
 1082: 	    if { 1 != [set done [checkDateFields]] } {
 1083: 		displayError "Please correct field: $done"
 1084: 		set done 0
 1085: 	    } else {
 1086: 		if { [dueAnswerOrder] } {
 1087: 		    if { "Yes" == [makeSure "Right now answers are available before an assignment is due. Would you like to change this?."]} {
 1088: 		    set done 0
 1089: 		    } else {
 1090: 			set done 1
 1091: 		    }
 1092: 		}
 1093: 	    }
 1094: 	} else {
 1095: 	    set done 1
 1096: 	}
 1097:     }
 1098:     capaGrab release $changeDate
 1099:     bind $changeDate <Destroy> ""
 1100:     destroy $changeDate
 1101:     if {$gPrompt2(ok) == 1 } {
 1102: 	addCurrentDates $listbox $makedefault $which
 1103:     }    
 1104:     return 
 1105: }
 1106: 
 1107: ###########################################################
 1108: # addDate 
 1109: ###########################################################
 1110: ###########################################################
 1111: ###########################################################
 1112: proc addDate { listbox } {
 1113:     global gDates gPrompt2
 1114: 
 1115:     if { ![winfo exists $listbox ] } { return }
 1116:     if { [winfo exists .adddate ] } { return }
 1117:     if { [$listbox index end] == 0 } { set makedefault 1 } else { set makedefault 0 }
 1118:     set addDate [toplevel .adddate]
 1119: 
 1120:     createDateDialog $addDate $makedefault
 1121:     enableDateValidation $addDate
 1122: 
 1123:     Centre_Dialog $addDate default
 1124:     update
 1125: 
 1126:     focus $addDate
 1127:     capaRaise $addDate
 1128:     capaGrab $addDate
 1129:     set done 0
 1130:     while { $done != 1 } {
 1131: 	vwait gPrompt2(ok)
 1132: 	if { $gPrompt2(ok) == 1 } {
 1133: 	    if { 1 != [set done [checkDateFields]] } {
 1134: 		displayError "Please correct field: $done"
 1135: 		set done 0
 1136: 	    } else {
 1137: 		if { [dueAnswerOrder] } {
 1138: 		    if { "Yes" == [makeSure "Right now answers are available before an assignment is due. Would you like to change this?."]} {
 1139: 		    set done 0
 1140: 		    } else {
 1141: 			set done 1
 1142: 		    }
 1143: 		}
 1144: 	    }
 1145: 	} else {
 1146: 	    set done 1
 1147: 	}
 1148:     }
 1149:     capaGrab release $addDate
 1150:     bind $addDate <Destroy> ""
 1151:     destroy $addDate
 1152:     if {$gPrompt2(ok) == 1 } {
 1153: 	addCurrentDates $listbox $makedefault
 1154:     }    
 1155:     return 
 1156: }
 1157: 
 1158: ###########################################################
 1159: # createDBHeader
 1160: ###########################################################
 1161: ###########################################################
 1162: ###########################################################
 1163: proc createDBHeader {} {
 1164:     global gNumberParsedText gPrompt gLoadHeaderSet gControlDates \
 1165: 	    gSetNumberText  gHeaderQCount gEnableDiscussion gFile
 1166: 
 1167:     if { $gNumberParsedText == "" } {
 1168: 	displayError "You must first preview the file before creating the \
 1169: 		DB header."
 1170: 	return
 1171:     }
 1172: 
 1173:     if { [winfo exists .headerPrompt] } {
 1174: 	capaRaise .headerPrompt
 1175: 	return
 1176:     }
 1177: 
 1178:     set dialog [toplevel .headerPrompt -borderwidth 10]
 1179:     wm geo $dialog "+200+200"
 1180:     wm title $dialog "Creating DB Header"
 1181: 
 1182:     message $dialog.msg -text "Header Information" -aspect 1000
 1183:     set loadFrame [frame $dialog.loadFrame -borderwidth 4 -relief sunken]
 1184:     set infoFrame [frame $dialog.infoFrame -borderwidth 4 -relief sunken]
 1185:     set optionFrame [frame $dialog.options]
 1186:     set buttonFrame [frame $dialog.buttons -bd 10]
 1187:     pack $dialog.msg $loadFrame $infoFrame $optionFrame $buttonFrame -side top -fill x
 1188: 
 1189:     set legendFrame [frame $infoFrame.legendFrame]
 1190:     set listFrame [frame $infoFrame.listFrame]
 1191:     set commandFrame [frame $infoFrame.commandFrame]
 1192:     pack $legendFrame $listFrame $commandFrame -side top
 1193:  
 1194:     label $legendFrame.legend1 -text " Section# |     Open       |     Due        |     Answer         "
 1195:     label $legendFrame.legend2 -text "Start  End| Date      Time | Date     Time  | Date      Time     "
 1196:     pack $legendFrame.legend1 $legendFrame.legend2 -side top
 1197: 
 1198:     set listbox [listbox $listFrame.list -width 63 -yscrollcommand "$listFrame.scroll set" ]
 1199:     scrollbar $listFrame.scroll -command "$listbox yview"
 1200:     pack $listFrame.list $listFrame.scroll -side left
 1201:     updateDateBox $listbox
 1202:     
 1203:     button $commandFrame.add -text "Add" -command "addDate $listbox"
 1204:     button $commandFrame.change -text "Change" -command "changeDate $listbox"
 1205:     button $commandFrame.delete -text "Delete" -command "deleteDate $listbox"
 1206:     pack $commandFrame.add $commandFrame.change $commandFrame.delete -side left
 1207:     bind $listbox <Double-ButtonPress-1> "changeDate $listbox"
 1208: 
 1209:     message $loadFrame.msg -text "Load header information from set:"  \
 1210: 	    -aspect 1000
 1211:     set gLoadHeaderSet $gSetNumberText
 1212:     entry $loadFrame.entry -textvariable gLoadHeaderSet  -width 2
 1213:     button $loadFrame.load -text "load" -command "loadDates $listbox"
 1214:     pack $loadFrame.msg $loadFrame.entry $loadFrame.load -side left
 1215: 
 1216:     if { [file exists [file join [file dirname $gFile] discussion $gSetNumberText]] } {
 1217: 	set gEnableDiscussion 1
 1218:     } else {
 1219: 	set gEnableDiscussion 0
 1220:     }
 1221:     checkbutton $optionFrame.discuss -text "Enable Discussion Forum" \
 1222: 	-variable gEnableDiscussion
 1223:     pack $optionFrame.discuss
 1224: 
 1225:     button $buttonFrame.ok -text Set -command { set gPrompt(ok) 1 } \
 1226: 	    -underline 0 
 1227:     button $buttonFrame.cancel -text Cancel -command { set gPrompt(ok) 0 } \
 1228: 	    -underline 0 
 1229:     pack $buttonFrame.ok $buttonFrame.cancel -side left
 1230:     
 1231:     bind $dialog <Destroy> "set gPrompt(ok) 0"
 1232:     Centre_Dialog $dialog default
 1233:     update
 1234: 
 1235:     focus $dialog
 1236:     capaRaise $dialog
 1237:     capaGrab $dialog
 1238:     bind $dialog <Destroy> ""
 1239:     set done 0
 1240:     while { $done != 1 } {
 1241: 	vwait gPrompt(ok)
 1242: 	if { $gPrompt(ok) == 1 } {
 1243: 	    set done [checkHeaderForDefault]
 1244: 	    if { $done == 0 } {
 1245: 		displayError "Must have a Default setting."
 1246: 	    }
 1247: 	} else {
 1248: 	    set done 1
 1249: 	}
 1250:     }
 1251:     capaGrab release $dialog
 1252:     destroy $dialog
 1253:     if {$gPrompt(ok) == 1 } {
 1254: 	updateDiscussion
 1255: 	eval updateHeader [ eval concat $gControlDates ]
 1256:     }
 1257:     
 1258:     return    
 1259: 
 1260: }
 1261: 
 1262: ###########################################################
 1263: # updateDiscussion
 1264: ###########################################################
 1265: ###########################################################
 1266: ###########################################################
 1267: proc updateDiscussion {} {
 1268:     global gFile gSetNumberText gEnableDiscussion
 1269:     set dir [file dirname $gFile]
 1270:     set disDir [file join $dir discussion $gSetNumberText]
 1271:     set logDir [file join $dir discussion logs]
 1272:     if { $gEnableDiscussion } {
 1273: 	if { ![file exists $disDir] } {
 1274: 	    if { [file exists $disDir.unavailable] } {
 1275: 		exec mv $disDir.unavailable $disDir
 1276: 	    } else {
 1277: 		file mkdir $disDir
 1278: 		file attributes $disDir -permissions 0777
 1279: 	    }
 1280: 	}
 1281: 	if { ![file exists $logDir] } {
 1282: 	    file mkdir [file join $dir discussion logs]
 1283: 	    file attributes [file join $dir discussion logs] -permissions 0777
 1284: 	}
 1285:     } else { 
 1286: 	if { [file exists $disDir] } { exec mv $disDir $disDir.unavailable } 
 1287:     }
 1288: }
 1289: 
 1290: ###########################################################
 1291: # allFieldsComplete2 
 1292: ###########################################################
 1293: ###########################################################
 1294: ###########################################################
 1295: proc allFieldsComplete2 {} {
 1296:     global gLoadHeaderSet gControlDates 
 1297:     
 1298:     if { [string length $gOpenDate] != 8 } {
 1299: 	return 0
 1300:     } elseif { [string length $gOpenTime] != 5 } {
 1301: 	return 0
 1302:     } elseif { [string length $gDueDate] != 8 } {
 1303: 	return 0
 1304:     } elseif { [string length $gDueTime] != 5 } {
 1305: 	return 0
 1306:     } elseif { [string length $gAnswerDate] != 8 } {
 1307: 	return 0
 1308:     } elseif { [string length $gAnswerTime] != 5 } {
 1309: 	return 0
 1310:     } else {
 1311: 	return 1
 1312:     }
 1313: }
 1314: 
 1315: ###########################################################
 1316: # createFindWindow
 1317: ###########################################################
 1318: ###########################################################
 1319: ###########################################################
 1320: proc createFindWindow { {num 0} } {
 1321:     global gFind gWindowMenu gFindListbox
 1322: 
 1323:     if { [winfo exists .find] } { 
 1324: 	capaRaise .find
 1325: 	pickFindFile $num
 1326: 	return 
 1327:     }
 1328: 
 1329:     set find [toplevel .find]
 1330:     $gWindowMenu add command -label "Find" -command "capaRaise $find"
 1331:     wm title $find "Find"
 1332: 
 1333:     set findFrame [frame $find.findFrame -width 5i]
 1334:     set replaceFrame [frame $find.replaceFrame ]
 1335:     set optionsFrame [frame $find.optionsFrame ]
 1336:     set buttonFrame [frame $find.buttonsFrame ]
 1337:     pack $findFrame $replaceFrame $optionsFrame $buttonFrame -side top \
 1338: 	    -anchor e
 1339:     pack configure $buttonFrame -anchor center
 1340: 
 1341:     message $findFrame.msg -text "Find:" -aspect 10000 
 1342:     entry $findFrame.entry -width 50  -textvariable gFind(find)
 1343:     pack $findFrame.msg $findFrame.entry -side left
 1344: 
 1345:     message $replaceFrame.msg -text "Replace with:" -aspect 10000 
 1346:     entry $replaceFrame.entry -width 50  -textvariable gFind(replace)
 1347:     pack $replaceFrame.msg $replaceFrame.entry -side left
 1348: 
 1349:     set fileFrame [frame $optionsFrame.file]
 1350:     set scopeFrame [frame $optionsFrame.scope -relief groove -borderwidth 4]
 1351:     set findOptionsFrame [frame $optionsFrame.findOptionsFrame -relief \
 1352: 	    groove -borderwidth 4]
 1353:     pack $fileFrame $scopeFrame $findOptionsFrame -side left
 1354: 
 1355:     set fileList [ frame $fileFrame.list ]
 1356:     set fileScroll [frame $fileFrame.scroll ]
 1357:     pack $fileList $fileScroll -side left
 1358:     pack configure $fileScroll -fill y
 1359: 
 1360:     set gFindListbox [listbox $fileList.list -width 35 -height 4 \
 1361: 	    -xscrollcommand "$fileList.scroll set" \
 1362: 	    -yscrollcommand "$fileScroll.scroll set" \
 1363: 	    -exportselection no]
 1364:     scrollbar $fileList.scroll -orient h -command "$fileList.list xview"
 1365:     pack $fileList.list $fileList.scroll -side top
 1366:     pack configure $fileList.scroll -fill x
 1367:     pack configure $fileList.list -fill both -expand 1
 1368:     $fileList.list xview moveto 1
 1369: 
 1370:     scrollbar $fileScroll.scroll -orient v \
 1371: 	    -command "$fileList.list yview"
 1372:     pack $fileScroll.scroll -fill y -expand 1
 1373: 
 1374:     message $scopeFrame.msg -text "Replace All Scope" -aspect 10000 
 1375:     radiobutton $scopeFrame.file -value "File" -variable gFind(scope) -text \
 1376: 	    "Entire File" \
 1377: 	    
 1378:     radiobutton $scopeFrame.selection -value "Selection" -variable \
 1379: 	    gFind(scope) -text "Selection" 
 1380:     pack $scopeFrame.msg $scopeFrame.file $scopeFrame.selection 
 1381:     pack configure $scopeFrame.file $scopeFrame.selection -anchor w
 1382:     set gFind(scope) File
 1383: 
 1384:     message $findOptionsFrame.msg -text "Find Options" -aspect 10000 
 1385:     radiobutton $findOptionsFrame.ignoreCase -variable gFind(findOption) \
 1386: 	    -text "Ignore Case" -value "-nocase"
 1387:     radiobutton $findOptionsFrame.exactCase -variable gFind(findOption) \
 1388: 	    -text "Exact Case" -value "-exact"
 1389:     radiobutton $findOptionsFrame.regexp -variable gFind(findOption) \
 1390: 	    -text "Regular Expression" -value "-regexp"
 1391:     pack $findOptionsFrame.msg $findOptionsFrame.ignoreCase \
 1392: 	    $findOptionsFrame.exactCase $findOptionsFrame.regexp 
 1393:     pack $findOptionsFrame.ignoreCase $findOptionsFrame.exactCase \
 1394: 	    $findOptionsFrame.regexp -anchor w
 1395:     set gFind(findOption) "-nocase"
 1396: 
 1397:     button $buttonFrame.replaceAll -text "Replace All" -command "replaceAll" 
 1398:     button $buttonFrame.replace -text "Replace" -command "replace" 
 1399:     button $buttonFrame.replaceFind -text "Replace and Find" -command \
 1400: 	    "replaceFind" 
 1401:     button $buttonFrame.previous -text "Previous" -command "previous" 
 1402:     button $buttonFrame.next -text "Next <Return>" -command "next" 
 1403:     bind $find <KeyPress-Return> next
 1404:     button $buttonFrame.close -text "Close" -command "removeWindowEntry Find
 1405:                                                       destroy $find"
 1406:     bind $find <Destroy> "removeWindowEntry Find"
 1407:     pack $buttonFrame.replaceAll $buttonFrame.replace \
 1408: 	    $buttonFrame.replaceFind $buttonFrame.previous \
 1409: 	    $buttonFrame.next $buttonFrame.close -side left
 1410: 
 1411:     Centre_Dialog $find default
 1412:     updateFindList
 1413:     pickFindFile $num
 1414: }
 1415: 
 1416: ###########################################################
 1417: # pickFindFile
 1418: ###########################################################
 1419: ###########################################################
 1420: ###########################################################
 1421: proc pickFindFile { num } {
 1422:     global gFindListbox gFindList gRefFile gFile
 1423:     if { [catch {set gFindListbox}] } { return }
 1424:     if { ![winfo exists $gFindListbox] } { return }
 1425:     if { $num == 0 } {
 1426: 	set newfile $gFile
 1427:     } else {
 1428: 	set newfile $gRefFile($num)
 1429:     }
 1430:     for {set i 0} {$i<[llength $gFindList(files)]} {incr i} {
 1431: 	set file [lindex $gFindList(files) $i]
 1432: 	if { $file == $newfile } { break }
 1433:     }
 1434:     if { $i < [llength $gFindList(files)] } { 
 1435: 	$gFindListbox selection clear 0 end 
 1436: 	$gFindListbox selection set $i 
 1437:     }
 1438: }
 1439: 
 1440: ###########################################################
 1441: # updateFindList 
 1442: ###########################################################
 1443: ###########################################################
 1444: ###########################################################
 1445: proc updateFindList {} {
 1446:     global gFindListbox gFindList
 1447:     if { [catch {set gFindListbox}] } { return }
 1448:     if { ![winfo exists $gFindListbox] } { return }
 1449:     $gFindListbox delete 0 end
 1450:     eval "$gFindListbox insert end $gFindList(files)"
 1451:     $gFindListbox xview moveto 1
 1452: }
 1453: 
 1454: ###########################################################
 1455: # whichFile 
 1456: ###########################################################
 1457: ###########################################################
 1458: ###########################################################
 1459: proc whichFile { refNum } {
 1460:     global gRefFile gFile
 1461:     if { $refNum > 0 } {
 1462: 	return $gRefFile($refNum)
 1463:     } else {
 1464: 	if { $refNum < 0 } {
 1465: 	    switch -- $refNum {
 1466: 		-1 { return "Preview Window" }
 1467: 		-2 { return "Parse Errors Window" }
 1468: 		-3 { return "LaTeX Output Window" }
 1469: 	    }
 1470: 	} else {
 1471: 	    return $gFile
 1472: 	}
 1473:     }
 1474: }
 1475: ###########################################################
 1476: # addFindList 
 1477: ###########################################################
 1478: ###########################################################
 1479: ###########################################################
 1480: proc addFindList { {refNum 0} } {
 1481:     global gFindList gRefFile gFile
 1482: 
 1483:     set file [whichFile $refNum]
 1484:     lappend gFindList(files) $file
 1485:     lappend gFindList(refNum) $refNum
 1486:     updateFindList
 1487: }
 1488: 
 1489: ###########################################################
 1490: # removeFindList 
 1491: ###########################################################
 1492: ###########################################################
 1493: ###########################################################
 1494: proc removeFindList { {refNum 0} } {
 1495:     global gFindList gRefFile gFile
 1496: 
 1497:     set file [whichFile $refNum]
 1498:     set k [llength $gFindList(refNum)]
 1499:     for {set i 0} {$i < $k } { incr i } {
 1500: 	if { $refNum == [lindex $gFindList(refNum) $i] } { break } 
 1501:     }
 1502:     if { $i != $k } {
 1503: 	set gFindList(refNum) [lreplace $gFindList(refNum) $i $i]
 1504: 	set gFindList(files) [lreplace $gFindList(files) $i $i]
 1505:     } 
 1506:     updateFindList
 1507: }
 1508: 
 1509: ###########################################################
 1510: # getFindWindow 
 1511: ###########################################################
 1512: ###########################################################
 1513: ###########################################################
 1514: proc getFindWindow { {refNumVar none} } {
 1515:     global gFindListbox gFindList gRefText gTextWindow \
 1516: 	gPreviewText gParseErrorsText gCreateDviText
 1517: 
 1518:     set current [$gFindListbox curselection]
 1519:     if { $current == "" } { set current 0 }
 1520:     if { [set refNum [lindex $gFindList(refNum) $current] ] } {
 1521: 	if { $refNum < 0 } {
 1522: 	    switch -- $refNum {
 1523: 		-1 { set window $gPreviewText }
 1524: 		-2 { set window $gParseErrorsText }
 1525: 		-3 { set window $gCreateDviText }
 1526: 	    }
 1527: 	} else {
 1528: 	    set window $gRefText($refNum)
 1529: 	}
 1530:     } else {
 1531: 	set window $gTextWindow
 1532:     }
 1533:     if { $refNumVar != "none" } {
 1534: 	upvar $refNumVar refNumUp
 1535: 	set refNumUp $refNum
 1536:     }
 1537:     return $window
 1538: }
 1539: 
 1540: ###########################################################
 1541: # replaceAll 
 1542: ###########################################################
 1543: ###########################################################
 1544: ###########################################################
 1545: proc replaceAll {} {
 1546:     global gFind gCreateImportLinks 
 1547:     
 1548:     set window [getFindWindow]
 1549:     if { ![winfo exists $window] } { return }
 1550: 
 1551:     set gCreateImportLinks 0
 1552:     set num 0
 1553:     switch $gFind(scope) {
 1554: 	File 
 1555: 	{
 1556: 	    $window mark set insert 0.0
 1557: 	    set begin 0.0
 1558: 	    while { [nextRegion $begin end] != "" } {
 1559: 		incr num
 1560: 		replace
 1561: 		if { ! ($num%10) } { update idletasks }
 1562: 		set begin sel.last
 1563: 	    }
 1564: 	}
 1565: 	Selection
 1566: 	{
 1567: 	    set error [ catch {$window mark set replace sel.first}]
 1568: 	    if { $error != 0 } { return }
 1569: 	    $window mark set capaBegin sel.first
 1570: 	    $window mark set capaEnd   sel.last
 1571: 	    while { [set begin [nextRegion capaBegin capaEnd]] != "" } {
 1572: 		incr num
 1573: 		replace
 1574: 		$window mark set capaBegin $begin
 1575: 	    }
 1576: 	}
 1577:     }
 1578:     if { $num == 1 } { set s {} } { set s s }    
 1579:     update idletasks
 1580:     set gCreateImportLinks 1
 1581:     getFindWindow refNum
 1582:     if { $refNum >= 0 } { registerCreateImportLinks $refNum 0.0 end }
 1583:     displayMessage "Replaced $num occurance$s"
 1584: }
 1585: 
 1586: ###########################################################
 1587: ###########################################################
 1588: ###########################################################
 1589: ###########################################################
 1590: proc replace {} {
 1591:     global gFind 
 1592: 
 1593:     set refNum 0
 1594:     set window [getFindWindow refNum]
 1595:     if { ![winfo exist $window] } { return }
 1596: 
 1597:     set error [ catch {$window mark set replace sel.first}]
 1598:     if { $error == 0 } {
 1599: 	$window delete sel.first sel.last
 1600:     } else {
 1601: 	$window mark set replace insert
 1602:     }
 1603: 
 1604:     $window insert replace "$gFind(replace)"
 1605:  
 1606:     catch {$window tag remove sel sel.first sel.last}
 1607: 
 1608:     $window tag add sel "replace - [string length "$gFind(replace)"] \
 1609: 	    chars " replace
 1610:     $window see replace
 1611: 
 1612:     $window mark unset replace
 1613: }
 1614: 
 1615: ###########################################################
 1616: ###########################################################
 1617: ###########################################################
 1618: ###########################################################
 1619: proc replaceFind {} {
 1620:     set window [getFindWindow]
 1621:     if { ![winfo exists $window] } { return }
 1622:     replace
 1623:     next
 1624: }
 1625: 
 1626: ###########################################################
 1627: ###########################################################
 1628: ###########################################################
 1629: ###########################################################
 1630: proc searchBody { found } {
 1631:     global gFind 
 1632: 
 1633:     set window [getFindWindow refNum]
 1634:     if { ![winfo exists $window] } { return }
 1635: 
 1636:     catch {$window tag remove sel sel.first sel.last}
 1637:     $window tag add sel $found "$found + [string length $gFind(find)] \
 1638: 	    chars"
 1639:     $window see $found
 1640:     $window mark set insert "$found + [string length $gFind(find)] chars"
 1641: }
 1642: 
 1643: ###########################################################
 1644: ###########################################################
 1645: ###########################################################
 1646: ###########################################################
 1647: proc previous {} {
 1648:     global gFind
 1649: 
 1650:     set window [getFindWindow]
 1651:     if { ![winfo exists $window] } { return }
 1652: 
 1653:     if { [catch { set found [$window search $gFind(findOption) -backwards -- \
 1654: 	    $gFind(find) "sel.first - 1 c" ] } ] } {
 1655: 	set found [ $window search $gFind(findOption) -backwards -- \
 1656: 		$gFind(find) "insert - 1 c" ]
 1657:     }
 1658:     if { $found != "" } { searchBody $found }
 1659:     return $found    
 1660: }
 1661: 
 1662: ###########################################################
 1663: ###########################################################
 1664: ###########################################################
 1665: ###########################################################
 1666: proc next {} {
 1667:     global gFind 
 1668: 
 1669:     set window [getFindWindow]
 1670:     if { ![winfo exists $window] } { return }
 1671: 
 1672:     set found [ $window search $gFind(findOption) -forwards -- \
 1673: 	    $gFind(find) "insert + 1 c" ]
 1674:     if { $found != "" } { 
 1675: 	searchBody $found 
 1676:     } else { 
 1677: 	displayMessage "Search String Not Found" 
 1678:     }
 1679:     return $found    
 1680: }
 1681: 
 1682: ###########################################################
 1683: ###########################################################
 1684: ###########################################################
 1685: ###########################################################
 1686: proc nextRegion { begin end } {
 1687:     global gFind 
 1688: 
 1689:     set window [getFindWindow]
 1690:     if { ![winfo exists $window] } { return }
 1691: 
 1692:     set error [ catch {set found [ $window search $gFind(findOption) \
 1693: 	    -forwards -- $gFind(find) $begin $end ] } ]
 1694:     if { $error != 0 } { set found "" }
 1695:     if { $found != "" } { 
 1696: 	searchBody $found 
 1697: 	set found "$found + [string length $gFind(find)] chars"
 1698:     }
 1699:     return $found
 1700: }
 1701: 
 1702: ###########################################################
 1703: ###########################################################
 1704: ###########################################################
 1705: ###########################################################
 1706: proc createLineWindow {} {
 1707:     global gLineNumber gCharacterNumber gLineNumberGoto gCharacterNumberGoto
 1708:     global gWindowMenu
 1709: 
 1710:     if { [winfo exists .lineWindow] } { 
 1711: 	capaRaise .lineWindow
 1712: 	return 
 1713:     }
 1714: 
 1715:     set lineWindow [toplevel .lineWindow]
 1716:     $gWindowMenu add command -label "LineSelect" -command \
 1717: 	    "capaRaise $lineWindow"
 1718:     wm title $lineWindow "Select Line"
 1719: 
 1720:     label $lineWindow.line -text "Line:"
 1721:     grid $lineWindow.line -column 1 -row 0
 1722:     label $lineWindow.character -text "Character:"
 1723:     grid $lineWindow.character -column 2 -row 0
 1724:     label $lineWindow.current -text "Current:"
 1725:     grid $lineWindow.current -column 0 -row 1
 1726:     label $lineWindow.lineNumber -textvariable gLineNumber
 1727:     grid $lineWindow.lineNumber -column 1 -row 1
 1728:     label $lineWindow.characterNumber -textvariable gCharacterNumber
 1729:     grid $lineWindow.characterNumber -column 2 -row 1
 1730:     label $lineWindow.goto -text "Goto:"
 1731:     grid $lineWindow.goto -column 0 -row 2
 1732:     entry $lineWindow.lineEntry -textvariable gLineNumberGoto
 1733:     grid $lineWindow.lineEntry -column 1 -row 2
 1734:     set gLineNumberGoto ""
 1735:     entry $lineWindow.characterEntry -textvariable gCharacterNumberGoto
 1736:     grid $lineWindow.characterEntry -column 2 -row 2
 1737:     set gCharacterNumberGoto ""
 1738:     button $lineWindow.close -text "Close" -command "destroy $lineWindow 
 1739: 	                                       removeWindowEntry LineSelect"
 1740:     bind $lineWindow <Destroy> "removeWindowEntry LineSelect"
 1741:     grid $lineWindow.close -column 1 -row 3
 1742:     button $lineWindow.gotoButton -text "Goto<Return>" -command "gotoLine"
 1743:     grid $lineWindow.gotoButton -column 2 -row 3    
 1744:     
 1745:     bind $lineWindow <KeyPress-Return> gotoLine
 1746: 
 1747:     Centre_Dialog $lineWindow default
 1748: }
 1749: 
 1750: ###########################################################
 1751: ###########################################################
 1752: ###########################################################
 1753: ###########################################################
 1754: proc gotoLine {} {
 1755:     global gTextWindow gLineNumberGoto gCharacterNumberGoto
 1756:     if { [catch {set gTextWindow}] } { return }
 1757:     if { ![winfo exists $gTextWindow] } { return }
 1758: 
 1759:     if { $gCharacterNumberGoto == "" } {
 1760: 	if { $gLineNumberGoto == "" } {
 1761: 	    return
 1762: 	} else {
 1763: 	    $gTextWindow mark set insert $gLineNumberGoto.0
 1764: 	    catch {$gTextWindow tag remove sel sel.first sel.last}
 1765: 	    $gTextWindow tag add sel "insert linestart" "insert lineend"
 1766: 	    $gTextWindow see insert
 1767: 	} 
 1768:     } else {
 1769: 	if { $gLineNumberGoto == "" } {
 1770: 	    $gTextWindow mark set insert "insert linestart + \
 1771: 		    $gCharacterNumberGoto chars"
 1772: 	    catch {$gTextWindow tag remove sel sel.first sel.last}
 1773: 	    $gTextWindow tag add sel "insert - 1 chars " insert
 1774: 	    $gTextWindow see insert
 1775: 	} else {
 1776: 	    $gTextWindow mark set insert $gLineNumberGoto.$gCharacterNumberGoto
 1777: 	    catch {$gTextWindow tag remove sel sel.first sel.last}
 1778: 	    $gTextWindow tag add sel "$gLineNumberGoto.$gCharacterNumberGoto \
 1779: 		    - 1 chars " "$gLineNumberGoto.$gCharacterNumberGoto"
 1780: 	    $gTextWindow see insert
 1781: 	} 
 1782:     }
 1783: }
 1784: 
 1785: proc faster {} {
 1786:     global gFasterParsing
 1787:     puts $gFasterParsing
 1788: }
 1789: 
 1790: ###########################################################
 1791: # createPrefsWindow
 1792: ###########################################################
 1793: ###########################################################
 1794: ###########################################################
 1795: proc createPrefsWindow {} {
 1796:     global gPrefs gWindowMenu gEditWindow gFile gWhichFile gPrefsEditWindow \
 1797: 	gFasterParsing
 1798:     if { [catch {set gEditWindow}] } { return }
 1799:     if { ![winfo exists $gEditWindow] } { return }
 1800:     if { [winfo exists .prefs] } { capaRaise .prefs; return }
 1801: 
 1802:     set prefs [toplevel .prefs]
 1803:     $gWindowMenu add command -label "Prefrences" -command "capaRaise $prefs"
 1804:     wm title $prefs "Preferences"
 1805: 
 1806:     set frameAll [frame $prefs.frameAll -relief groove -borderwidth 4]
 1807:     pack $frameAll -expand true -fill both
 1808: 
 1809:     set frameFile [frame $frameAll.file]
 1810:     set frameInfo [frame $frameAll.info -relief groove -borderwidth 4 ]
 1811:     set frameButton [frame $frameAll.button ]
 1812:     pack $frameButton $frameInfo $frameFile -side top -expand false
 1813:     pack configure $frameButton -expand false -anchor center
 1814: 
 1815:     message $frameInfo.msg -text "Print Out"
 1816:     radiobutton $frameInfo.problem -text "Problems Only" -value "Problem" \
 1817: 	    -variable gPrefs(info) 
 1818:     radiobutton $frameInfo.problemandanswer -text "Problems and Answers" \
 1819: 	    -value "ProblemAnswer" -variable gPrefs(info) 
 1820:     radiobutton $frameInfo.answer -text "Answers Only" -value "Answer" \
 1821: 	    -variable gPrefs(info) 
 1822:     pack $frameInfo.msg $frameInfo.problem $frameInfo.problemandanswer \
 1823: 	    $frameInfo.answer -side left -expand false -anchor w
 1824: 
 1825:     
 1826:     set selectMenu [tk_optionMenu $frameFile.menu gWhichFile HTMLheader HTMLfooter \
 1827: 			TeXheader TeXfooter]
 1828:     set frameEdit [frame $frameFile.edit]
 1829:     pack $frameFile.menu $frameEdit
 1830:     pack configure $frameEdit -expand true -fill both
 1831:     trace variable gWhichFile w changePrefFile
 1832: 
 1833:     scrollbar $frameEdit.scroll -orient vertical -command "$frameEdit.text yview"
 1834:     set gPrefsEditWindow [text $frameEdit.text -yscrollcommand \
 1835: 	    "$frameEdit.scroll set" -wrap char -height 20 -width 80]
 1836:     pack $frameEdit.scroll $frameEdit.text -side left
 1837:     pack configure $frameEdit.scroll -expand false -fill y
 1838:     pack configure $frameEdit.text -expand true -fill both
 1839: 
 1840:     checkbutton $frameButton.faster -text "Faster Parsing" -command faster \
 1841: 	-variable gFasterParsing
 1842:     button $frameButton.impcolor -text "/IMP color" -command "getColor IMP_color"
 1843:     button $frameButton.commentcolor -text "// color" -command "getColor comment_color"
 1844:     button $frameButton.config -text "Reread capa.config" -command "rereadCapaConfig"
 1845:     button $frameButton.ok -text "Dismiss" -command "destroy $prefs
 1846:                                                 trace vdelete gWhichFile w changePrefFile
 1847:                                                 removeWindowEntry Prefrences"
 1848:     bind $prefs <Destroy> "removeWindowEntry Preferences"
 1849:     button $frameButton.save -text "Save All" -command "savePrefs"
 1850:     pack $frameButton.impcolor $frameButton.commentcolor $frameButton.config \
 1851: 	$frameButton.ok $frameButton.save $frameButton.faster -side left
 1852: 
 1853:     foreach file {HTMLheader HTMLfooter TeXheader TeXfooter} {
 1854: 	if { [ catch {
 1855: 	    set filename [file join [file dirname $gFile] $file ]
 1856: 	    set fileId [open $filename r]
 1857: 	    set gPrefs($file) [read $fileId [file size $filename ]]
 1858: 	    close $fileId } errors ] } { 
 1859: 	    set gPrefs($file) ""
 1860: 	}
 1861:     }
 1862:     set gPrefs(currentFile) ""
 1863:     set gWhichFile HTMLheader
 1864: 
 1865: 
 1866:     Centre_Dialog $prefs default
 1867: }
 1868: 
 1869: ###########################################################
 1870: # getColor
 1871: ###########################################################
 1872: ###########################################################
 1873: ###########################################################
 1874: proc getColor { whatfor } {
 1875:     global gCapaConfig gUniqueNumber gRefText
 1876:     set color [tk_chooseColor -initialcolor $gCapaConfig($whatfor)]
 1877:     set gCapaConfig($whatfor) $color 
 1878:     if { $color != "" } { updateColors }
 1879:     displayMessage "To keep this color, put \"$whatfor = $color\" in the capa.config file."
 1880: }
 1881: 
 1882: ###########################################################
 1883: # updateColors
 1884: ###########################################################
 1885: ###########################################################
 1886: ###########################################################
 1887: proc updateColors {} {
 1888:     global gCapaConfig gUniqueNumber gRefText
 1889:     set todo [array names gRefText]
 1890:     lappend todo 0
 1891:     displayStatus "Updating Colors . . ." both
 1892:     set num 0
 1893:     foreach win $todo {
 1894: 	createImportLinks $win 0.0 end
 1895: 	incr num
 1896: 	updateStatusBar [expr $num/double([llength $todo])]
 1897:     }
 1898:     removeStatus
 1899: }
 1900: 
 1901: ###########################################################
 1902: # changePrefFile
 1903: ###########################################################
 1904: ###########################################################
 1905: ###########################################################
 1906: proc changePrefFile { var1 var2 op } {
 1907:     global gPrefs gPrefsEditWindow gFile gWhichFile
 1908: 
 1909:     if { $gPrefs(currentFile) != "" } {
 1910: 	set  gPrefs($gPrefs(currentFile)) [$gPrefsEditWindow get 0.0 end-1c]
 1911:     }
 1912:     set gPrefs(currentFile) $gWhichFile
 1913:     $gPrefsEditWindow delete 0.0 end
 1914:     $gPrefsEditWindow insert 0.0 $gPrefs($gWhichFile)
 1915: }
 1916: 
 1917: ###########################################################
 1918: # updatePrefsWindow 
 1919: ###########################################################
 1920: ###########################################################
 1921: ###########################################################
 1922: proc updatePrefsWindow {} {
 1923:     global gPrefs gPrefsEditWindow gFile gWhichFile
 1924:     if { [catch {set gPrefsEditWindow}] } { return }
 1925:     if { ![winfo exists $gPrefsEditWindow] } { return }
 1926: 
 1927:     foreach file {HTMLheader HTMLfooter TeXheader TeXfooter} {
 1928: 	if { [ catch {
 1929: 	    set filename [file join [file dirname $gFile] $file ]
 1930: 	    set fileId [open $filename r]
 1931: 	    set gPrefs($file) [read $fileId [file size $filename]]
 1932: 	    close $fileId } ] } { 
 1933: 	    set gPrefs($file) ""
 1934: 	}
 1935:     }
 1936:     $gPrefsEditWindow delete 0.0 end
 1937:     $gPrefsEditWindow insert 0.0 $gPrefs($gWhichFile)
 1938: }
 1939: 
 1940: ###########################################################
 1941: ###########################################################
 1942: ###########################################################
 1943: ###########################################################
 1944: proc savePrefs {} {
 1945:     global gPrefsEditWindow gFile gPrefs 
 1946:     if { [catch {set gPrefsEditWindow}] } { return }
 1947:     if { ![winfo exists $gPrefsEditWindow] } { return }
 1948:     if { $gPrefs(currentFile) != "" } {
 1949: 	set  gPrefs($gPrefs(currentFile)) [$gPrefsEditWindow get 0.0 end-1c]
 1950:     }
 1951:     foreach file {HTMLheader HTMLfooter TeXheader TeXfooter} {
 1952: 	if { $gPrefs($file) != "" } {
 1953: 	    set fileId [open [file join [file dirname $gFile] $file ] w]
 1954: 	    puts -nonewline $fileId $gPrefs($file)
 1955: 	    close $fileId
 1956: 	} else {
 1957: 	    exec rm -f [file join [file dirname $gFile] $file ]
 1958: 	}
 1959:     }
 1960: }
 1961: 
 1962: ###########################################################
 1963: # checkHeader
 1964: ###########################################################
 1965: ###########################################################
 1966: ###########################################################
 1967: proc checkHeader { numberParsed } {
 1968:     global gWeightsDiffer gPartialDiffer gSetNumberText gHeaderQCount \
 1969: 	gControlDates gLoadHeaderSet gFirstTime
 1970: 
 1971: #    if { $gFirstTime } { set gFirstTime 0; return }
 1972:     set gLoadHeaderSet $gSetNumberText
 1973:     set error [catch {getHeaderInfo}]
 1974:     if { $error == 1 } {
 1975: 	set gHeaderQCount "0"
 1976: 	set gControlDates ""
 1977: 	displayError "The db file for this set does not yet exist."
 1978:     } else {
 1979: 	set errortext ""
 1980: 	if { ( $numberParsed != $gHeaderQCount ) } {
 1981: 	    set error 1
 1982: 	    append errortext "Number of questions ($numberParsed) is different from the number in setX.db ($gHeaderQCount). "    
 1983: 	} 
 1984: 	if { $gWeightsDiffer } {
 1985: 	    set error 1
 1986: 	    append errortext "The problem weights specified in the QZ file are different from the ones in the DB file. "
 1987: 	} 
 1988: 	if { $gPartialDiffer } {
 1989: 	    set error 1
 1990: 	    append errortext "Whether or not a problem is hand graded as specified in the QZ file is different from the DB file. "
 1991: 	}
 1992: 	if { $error } {
 1993: 	    displayError "The curent DB Header does not match what the set file says it should be: $errortext. Set the DB Header!" red
 1994: 	}
 1995:     }
 1996:     return $error
 1997: }
 1998: 
 1999: ###########################################################
 2000: # fillInStudentName
 2001: ###########################################################
 2002: ###########################################################
 2003: ###########################################################
 2004: #proc notherefillInStudentName { v } {
 2005: #    global $v
 2006: 
 2007: #    set student [capaGetStudent [set ${v}(studentNumber)]]
 2008: #    set ${v}(studentName) [lindex $student [expr [llength $student] - 1] ]
 2009: #}
 2010: 
 2011: ###########################################################
 2012: # studentSelectWindow
 2013: ###########################################################
 2014: ###########################################################
 2015: ###########################################################
 2016: proc studentSelectWindow { followupCommand } {
 2017:     global gStudentSelection gChanged gWindowMenu gEditWindow
 2018:     if { [catch {set gEditWindow}] } { return }
 2019:     if { ![winfo exists $gEditWindow] } { return }
 2020:     if { $gChanged } { if { [askToSave 0 0] == "Cancel" } { return } }
 2021: 
 2022:     if { [winfo exists .studentSelect] } { 
 2023: 	capaRaise .studentSelect
 2024: 	return
 2025:     }
 2026:     set student [toplevel .studentSelect]
 2027:     $gWindowMenu add command -label "SelectStudent" \
 2028: 	    -command "capaRaise $student"
 2029:     wm title $student "Select Student"
 2030: 
 2031:     message $student.msg -text "Please specify a student to preview" \
 2032: 	    -aspect 10000
 2033:     set infoFrame [frame $student.frame -relief groove -borderwidth 4]
 2034:     set buttonFrame [frame $student.buttonFrame ]
 2035:     pack $student.msg $infoFrame $buttonFrame -side top 
 2036: 
 2037:     button $buttonFrame.ok -text "Preview" -command \
 2038: 	"selectStudentPreview $student $followupCommand"
 2039:     button $buttonFrame.cancel -text "Cancel" -command \
 2040: 	    "destroy $student
 2041:              trace vdelete gStudentSelection(studentNumber) w \"global gStudentSelection; set gStudentSelection(type) Specific ;#\"
 2042:              trace vdelete gStudentSelection(studentName) w \"global gStudentSelection; set gStudentSelection(type) Specific ;#\"
 2043:              removeWindowEntry SelectStudent"
 2044:     bind $student <Destroy> \
 2045: 	    "trace vdelete gStudentSelection(studentNumber) w \"global gStudentSelection; set gStudentSelection(type) Specific ;#\"
 2046:              trace vdelete gStudentSelection(studentName) w \"global gStudentSelection; set gStudentSelection(type) Specific ;#\"
 2047:              removeWindowEntry SelectStudent"
 2048:     pack $buttonFrame.ok $buttonFrame.cancel -side left
 2049: 
 2050:     set randomAnyFrame [frame $infoFrame.randomany]
 2051:     set randomFrame [frame $infoFrame.random]
 2052:     set specificFrame [frame $infoFrame.specific]
 2053:     set sectionFrame [frame $infoFrame.section]
 2054: #    pack $randomAnyFrame  $randomFrame $specificFrame $sectionFrame -side top
 2055:     pack $randomFrame $specificFrame -side top
 2056:     pack configure $specificFrame -expand true -fill both
 2057: 
 2058:     radiobutton $randomAnyFrame.random -text "Randomly select a student" \
 2059: 	-value "RandomAny" -variable gStudentSelection(type) 
 2060:     pack $randomAnyFrame.random
 2061: 
 2062:     radiobutton $randomFrame.random -text "Randomly select one student \
 2063: 	    from section:" -value "Random" -variable gStudentSelection(type) 
 2064:     entry $randomFrame.entry -textvariable gStudentSelection(random)  -width 3
 2065:     pack $randomFrame.random $randomFrame.entry -side left 
 2066: 
 2067:     radiobutton $specificFrame.specific -text "Specify the student by:" \
 2068: 	    -value "Specific" -variable gStudentSelection(type) 
 2069:     set studentNumber [frame $specificFrame.studentNumber]
 2070:     set fullName [frame $specificFrame.fullName]
 2071:     pack $specificFrame.specific $studentNumber $fullName -side top
 2072:     pack configure $specificFrame.specific -anchor w
 2073:     pack configure $studentNumber $fullName -anchor e
 2074: 
 2075:     radiobutton $sectionFrame.section 
 2076:     message $studentNumber.msg -text "Student Number: "  -aspect 10000
 2077:     entry $studentNumber.entry -textvariable gStudentSelection(studentNumber) \
 2078: 	    -width 9 -validate key -validatecommand "limitEntry %W 9 any %P"
 2079:     pack $studentNumber.msg $studentNumber.entry -side left
 2080: 
 2081:     message $fullName.msg -text "Student Name: "  -aspect 10000 
 2082:     entry $fullName.msg2 -textvariable gStudentSelection(studentName) -width 35 \
 2083: 	-validate key -validatecommand "limitEntry %W 35 any %P"
 2084:     pack $fullName.msg $fullName.msg2 -side left
 2085:     
 2086:     trace variable gStudentSelection(studentNumber) w \
 2087: 	"global gStudentSelection; set gStudentSelection(type) Specific ;#"
 2088:     trace variable gStudentSelection(studentName) w \
 2089: 	"global gStudentSelection; set gStudentSelection(type) Specific ;#"
 2090: 
 2091:     bind $studentNumber.entry <KeyPress-Return> \
 2092: 	"fillInStudent gStudentSelection(studentName) gStudentSelection(studentNumber) 0"
 2093:     bind $fullName.msg2 <KeyPress-Return> \
 2094: 	"fillInStudent gStudentSelection(studentName) gStudentSelection(studentNumber) 1"
 2095: #    $specificFrame.specific configure -command \
 2096: 	"$studentNumber.entry configure -state normal"
 2097: #    $randomFrame.random configure -command \
 2098: 	"$studentNumber.entry configure -state disabled"
 2099: 
 2100:     Centre_Dialog $student default
 2101: }
 2102: 
 2103: ###########################################################
 2104: # selectStudentPreview
 2105: ###########################################################
 2106: ###########################################################
 2107: ###########################################################
 2108: proc selectStudentPreview { student followupCommand} {
 2109:     global gStudentSelection
 2110:     destroy $student
 2111:     if { $gStudentSelection(type) == "Specific" } { 
 2112: 	if {$gStudentSelection(studentNumber) == ""} {
 2113: 	    fillInStudent gStudentSelection(studentName) \
 2114: 		gStudentSelection(studentNumber) 1
 2115: 	} else {
 2116: 	    fillInStudent gStudentSelection(studentName) \
 2117: 		gStudentSelection(studentNumber) 0
 2118: 	}
 2119: 	if {$gStudentSelection(studentNumber) == ""} { return }
 2120:     }
 2121:     removeWindowEntry SelectStudent
 2122:     $followupCommand
 2123: }
 2124: 
 2125: ###########################################################
 2126: # createPreviewWindow
 2127: ###########################################################
 2128: ###########################################################
 2129: ###########################################################
 2130: proc createPreviewWindow {} {
 2131:     global gPreviewMode gPreviewText gPrefs gSetNumberText gStudentSelection
 2132:     global gWindowMenu gNumberParsedText    gNumber    
 2133:     global gLoadHeaderSet gHeaderQCount gControlDates
 2134:     
 2135:     if { ![winfo exists .preview] } {
 2136: 	
 2137: 	set previewWindow [toplevel .preview]
 2138:         $gWindowMenu add command -label "Preview" -command \
 2139: 		"capaRaise $previewWindow"
 2140: 	wm title $previewWindow "Preview"
 2141: 	addFindList -1
 2142: 
 2143: 	set windowFrame [frame $previewWindow.windowFrame]
 2144: 	set buttonFrame [frame $previewWindow.buttonFrame]
 2145: 	
 2146: 	pack $windowFrame $buttonFrame -side bottom 
 2147: 	pack configure $windowFrame -expand true -fill both
 2148: 	pack configure $buttonFrame -anchor e
 2149: 
 2150: 	scrollbar $windowFrame.scroll -orient vertical -command \
 2151: 		"$windowFrame.text yview"
 2152: 	set gPreviewText [text $windowFrame.text -yscrollcommand \
 2153: 		"$windowFrame.scroll set" -wrap char -height 40]
 2154: 	
 2155: 	pack $windowFrame.scroll $gPreviewText -side left -expand 0
 2156: 	pack configure $windowFrame.scroll -expand 0 -fill y
 2157: 	pack configure $gPreviewText -expand true -fill both
 2158: 	
 2159: 	button $buttonFrame.ok -text Dismiss -command "destroy $previewWindow
 2160: 	                                          removeWindowEntry Preview
 2161:                                                   removeFindList -1"
 2162: 	bind $previewWindow <Destroy> "removeWindowEntry Preview
 2163:                                        removeFindList -1"
 2164: 	button $buttonFrame.save -text "Save Output" -command "saveText $gPreviewText"
 2165: 	button $buttonFrame.stop -text "Stop Parser" -command "stopParser"
 2166: 	button $buttonFrame.print -text "Print Output" -command "printText $gPreviewText"
 2167: 	pack $buttonFrame.print $buttonFrame.save $buttonFrame.stop \
 2168: 	    $buttonFrame.ok -side left
 2169: 	
 2170: 	Centre_Dialog $previewWindow default
 2171: 	wm withdraw $previewWindow
 2172: 	update idletasks
 2173: 	set win_width [winfo reqwidth $previewWindow]
 2174: 	set win_height [winfo reqheight $previewWindow]
 2175: 	wm geometry $previewWindow +[expr [winfo rootx $previewWindow] - \
 2176: 		100]+[winfo rooty $previewWindow]
 2177: 	wm deiconify $previewWindow
 2178: 	update
 2179:     } else {
 2180: 	set previewWindow .preview
 2181: 	$gPreviewText delete 0.0 end
 2182: 	update
 2183:     }
 2184: 
 2185:     switch $gPrefs(info) {
 2186: 	Problem { set type 0 }
 2187: 	ProblemAnswer { set type 1 }
 2188: 	Answer { set type 2 }
 2189:     }
 2190:     grab .preview
 2191:     if { [catch {
 2192: 	switch $gPreviewMode {
 2193: 	    Enscript
 2194: 	    {
 2195: 		set numberParsed [enscriptParse $type $gSetNumberText \
 2196: 				  $gStudentSelection(type) $gStudentSelection(random) \
 2197: 				  $gStudentSelection(studentNumber) \
 2198: 				  $gStudentSelection(studentName) gPreviewText]
 2199: 	    }
 2200: 	    TeX
 2201: 	    {
 2202: 		set numberParsed [texParse $type $gSetNumberText \
 2203: 				  $gStudentSelection(type) $gStudentSelection(random) \
 2204: 				  $gStudentSelection(studentNumber) \
 2205: 				  $gStudentSelection(studentName) gPreviewText]
 2206: 	    }
 2207: 	    Web
 2208: 	    {
 2209: 		set numberParsed [webParse $type $gSetNumberText \
 2210: 				  $gStudentSelection(type) $gStudentSelection(random) \
 2211: 				  $gStudentSelection(studentNumber) \
 2212: 				  $gStudentSelection(studentName) gPreviewText]
 2213: 	    }
 2214: 	} }]} { return }
 2215:     grab release .preview
 2216:     if { $numberParsed == -1 } {
 2217: 	destroy $previewWindow
 2218: 	removeWindowEntry Preview
 2219: 	return
 2220:     }
 2221:     checkHeader $numberParsed
 2222:     $gPreviewText tag configure problem 
 2223:     $gPreviewText tag configure answer 
 2224:     capaRaise $previewWindow
 2225: 
 2226:     set gNumberParsedText $numberParsed
 2227:     showParseErrors 
 2228: }
 2229: 
 2230: ###########################################################
 2231: # openError
 2232: ###########################################################
 2233: ###########################################################
 2234: ###########################################################
 2235: proc openError { file line type} {
 2236:     global gRefLine gLineNumberGoto gTextWindow
 2237:     if { $type == 2 } {
 2238: 	set gLineNumberGoto $line
 2239: 	gotoLine
 2240: 	capaRaise [winfo toplevel $gTextWindow]
 2241:     } else {
 2242: 	if {[set num [openReferenceFile $file]]} {
 2243: 	    update idletasks
 2244: 	    set gRefLine($num) $line
 2245: 	    gotoRefLine $num
 2246: 	}
 2247:     }
 2248: }
 2249: 
 2250: ###########################################################
 2251: # showParseErrors
 2252: ###########################################################
 2253: ###########################################################
 2254: ###########################################################
 2255: proc showParseErrors {} {
 2256:     global gParseErrorsText gWindowMenu gUniqueNumber gCapaConfig
 2257: 
 2258:     set parseErrors [getParseErrors]
 2259:     
 2260:     if { $parseErrors != "" } {
 2261: 
 2262: 	if { ![winfo exists .parseErrors] } {
 2263: 	    
 2264: 	    set parseErrorsWindow [toplevel .parseErrors]
 2265: 	    $gWindowMenu add command -label "ParseErrors" -command "capaRaise \
 2266: 		    $parseErrorsWindow"
 2267: 	    wm title $parseErrorsWindow "Parse Errors"
 2268: 	    addFindList -2
 2269: 
 2270: 	    set windowFrame [frame $parseErrorsWindow.windowFrame]
 2271: 	    set buttonFrame [frame $parseErrorsWindow.buttonFrame]
 2272: 	    
 2273: 	    pack $windowFrame $buttonFrame -side bottom 
 2274: 	    pack configure $windowFrame -expand true -fill both
 2275: 	    pack configure $buttonFrame -anchor e
 2276: 
 2277: 	    scrollbar $windowFrame.scroll -orient vertical -command \
 2278: 		    "$windowFrame.text yview"
 2279: 	    set gParseErrorsText [text $windowFrame.text -yscrollcommand \
 2280: 		    "$windowFrame.scroll set" -wrap char -height 40]
 2281: 	    
 2282: 	    pack $windowFrame.scroll $gParseErrorsText -side left -expand 0
 2283: 	    pack configure $windowFrame.scroll -expand 0 -fill y
 2284: 	    pack configure $gParseErrorsText -expand true -fill both
 2285: 	    
 2286: 	    button $buttonFrame.ok -text Dismiss -command \
 2287: 		    "destroy $parseErrorsWindow
 2288: 	             removeWindowEntry ParseErrors
 2289:                      removeFindList -2"
 2290: 	    bind $parseErrorsWindow <Destroy> "removeWindowEntry ParseErrors
 2291:                                                removeFindList -2"
 2292: 	    button $buttonFrame.save -text "Save Output" \
 2293: 		    -command "saveText $gParseErrorsText"
 2294: 	    button $buttonFrame.print -text "Print Output" \
 2295: 		    -command "printText $gParseErrorsText"
 2296: 	    pack $buttonFrame.print $buttonFrame.save \
 2297: 		    $buttonFrame.ok -side left
 2298: 	
 2299: 	    Centre_Dialog $parseErrorsWindow default
 2300: 	    update
 2301: 	    capaRaise $parseErrorsWindow
 2302: 	} else {
 2303: 	    $gParseErrorsText delete 0.0 end
 2304: 	    capaRaise .parseErrors
 2305: 	}
 2306: 	foreach line [split $parseErrors "\n"] {
 2307: 	    set tag 0
 2308: 	    if { [regexp -indices {File:.+->(.+), Line ([0-9]+): ERROR:} $line result file linenum]} {
 2309: 		set tag 1
 2310: 	    } else {
 2311: 		if { [regexp -indices {File:(.+), Line ([0-9]+): ERROR:} $line result file linenum]} {
 2312: 		    set tag 2
 2313: 		}
 2314: 	    }
 2315: 	    if { $tag } {
 2316: 		set tagnum [incr gUniqueNumber]
 2317: 		set linenum [eval [list string range $line] $linenum]
 2318: 		set filename [eval [list string range $line] $file]
 2319: 		set i [expr [lindex [split [$gParseErrorsText index end] .] 0] - 1]
 2320: 	    }
 2321: 	    $gParseErrorsText insert end "$line\n"
 2322: 	    if { $tag } {
 2323: 		$gParseErrorsText tag add error.$tagnum $i.[lindex $file 0] $i.[expr [lindex $file 1] + 1]
 2324: 		$gParseErrorsText tag configure error.$tagnum -foreground $gCapaConfig(IMP_color)
 2325: 		$gParseErrorsText tag bind error.$tagnum <Double-ButtonPress> \
 2326: 		    "eval openError $filename $linenum $tag"
 2327: 	    }
 2328: 	}
 2329:     } else {
 2330: 	if { [winfo exists .parseErrors] } { $gParseErrorsText delete 0.0 end }
 2331:     }
 2332: 
 2333:     return $parseErrors
 2334: }
 2335: 
 2336: ###########################################################
 2337: # printText
 2338: ###########################################################
 2339: # prints the contents of the text window, creates a temp file named
 2340: # quiztemp.txt
 2341: ###########################################################
 2342: # Arguments: window (name of text window to print the contents of.
 2343: # Returns  : nothing
 2344: # Globals  :
 2345: ###########################################################
 2346: proc printText { window } {
 2347: 
 2348:     if { ![winfo exists $window] } {
 2349: 	return
 2350:     }
 2351:     set lprCommand [getLprCommand quiztemp.txt]
 2352: 
 2353:     if {$lprCommand == "Cancel"} { 
 2354: 	return
 2355:     }
 2356:   
 2357:     set fileId [open "quiztemp.txt" w]
 2358:     puts -nonewline $fileId "[ $window get 0.0 end ]"
 2359:     close $fileId
 2360: 
 2361:     set errorMsg ""
 2362:     set error [catch {set output [ eval "exec $lprCommand" ] } errorMsg ]
 2363:     
 2364:     if { $error == 1 } {
 2365:         displayError "An error occurred while printing: $errorMsg"
 2366:     } else {
 2367: 	displayMessage "Print job sent to the printer.\n $output"
 2368:     }
 2369:     exec rm -f quiztemp.txt
 2370: }
 2371: 
 2372: ###########################################################
 2373: # saveText
 2374: ###########################################################
 2375: # saves the contents of the text window
 2376: ###########################################################
 2377: # Arguments: window (name of text window to save the contents of.
 2378: #            saveAs (whether to ask to save)
 2379: #            refNum (if supplied reference file unique number
 2380: #                    that is being saved)
 2381: # Returns  : name of the file saved
 2382: # Globals  :
 2383: ###########################################################
 2384: proc saveText { window {saveAs 1} {refNum 0} } {
 2385:     global gWindowMenu gRefFile gRefChanged gCapaConfig gFile
 2386: 
 2387:     if { ![winfo exists $window] } {return}
 2388:     if { $refNum } {
 2389: 	if {$saveAs} { 
 2390: 	    set dir [file dirname $gRefFile($refNum)]
 2391: 	    set file ""
 2392: 	} else {
 2393: 	    set dir [file dirname $gRefFile($refNum)]
 2394: 	    set file [file tail $gRefFile($refNum)]
 2395: 	}
 2396:     } else { set dir [ set file "" ] }
 2397: #    if { $dir == "" || $dir == "."} { set dir [pwd] }
 2398:     if { $file == "" } {
 2399: 	set file [tk_getSaveFile -title "Enter the name to Save As" \
 2400: 		-initialdir "$dir" ]
 2401: 	if { $file == "" } {
 2402: 	    displayError "File not saved"
 2403: 	    return
 2404: 	}
 2405:     } else {
 2406: 	set file [file join $dir $file]
 2407:     }
 2408: 
 2409:     if { $refNum } { 
 2410: 	catch {removeWindowEntry  "Reference $gRefFile($refNum)*" }
 2411: 	catch {removeFindList $refNum}
 2412: 	set gRefFile($refNum) $file
 2413: 	addFindList $refNum
 2414: 	wm title [winfo toplevel $window] $file 
 2415: 	$gWindowMenu add command -label "Reference $file" \
 2416: 		-command "capaRaise [winfo toplevel $window]"
 2417: 	if { !$saveAs } {
 2418: 	    if { ([array name gCapaConfig quizzerBackupRef] == "") ||
 2419: 		 ($gCapaConfig(quizzerBackupRef)!="off") } {
 2420: 		if { [catch {file copy -force $file $file.bak} ] } {
 2421: 		    displayError "Unable to create backup for $file"
 2422: 		}
 2423: 	    }
 2424: 	}
 2425:     }
 2426:     set fileId [open $file w]
 2427:     puts -nonewline $fileId [$window get 0.0 end]
 2428:     close $fileId
 2429:     if { $refNum } { set gRefChanged($refNum) 0 }
 2430:     if { ([file tail $file] == "capa.config") && ($dir == [file dirname $gFile]) } {
 2431: 	if { [makeSure "Reread capa.config settings into Quizzer?"] != "Cancel" } {
 2432: 	    rereadCapaConfig
 2433: 	}
 2434:     }
 2435: 
 2436:     return $file
 2437: }
 2438: 
 2439: ###########################################################
 2440: # deleteFile
 2441: ###########################################################
 2442: ###########################################################
 2443: ###########################################################
 2444: proc deleteFile { which } {
 2445:     global gFile gRefFile
 2446:     if { $which } { set file $gRefFile($which) } else { set file $gFile }
 2447:     if { [makeSure "Do you wish to Delete $file"] == "Cancel" } { return } 
 2448:     if { $which } { closeRefFile $which 1 0 } else { closeDocument 1 0 }
 2449:     file delete -- $file
 2450: }
 2451: 
 2452: ###########################################################
 2453: ###########################################################
 2454: ###########################################################
 2455: ###########################################################
 2456: proc rereadCapaConfig { } {
 2457:     global gCapaConfig
 2458:     set printer_option $gCapaConfig(printer_option)
 2459:     unset gCapaConfig(printer_option)
 2460:     set error [parseCapaConfig]
 2461:     if { $error != "OK" } { 
 2462: 	displayError "Invalid capa.config file" 
 2463: 	set gCapaConfig(printer_option) $printer_option
 2464:     } 
 2465:     setDefaultValues
 2466:     updateColors
 2467: }
 2468: 
 2469: ###########################################################
 2470: ###########################################################
 2471: ###########################################################
 2472: ###########################################################
 2473: proc pickCapaConfig { } {
 2474:     set error NOTOK
 2475:     while { $error != "OK" } {
 2476: 	set file [tk_getOpenFile -title "Pick a capa.config file" \
 2477: 		      -filetypes { { {CAPA configuration}  {capa.config} } \
 2478: 				       { {All Files} {*} } }]
 2479: 	if { $file == "" } { break }
 2480: 	set oldDir [pwd]
 2481: 	cd [file dirname $file]	
 2482: 	set error [parseCapaConfig]
 2483: 	if { $error != "OK" } { displayError "Invalid capa.config file"; cd $oldDir } 
 2484: 	setDefaultValues
 2485:     } 
 2486: }
 2487: 
 2488: proc setDefaultValues {} {
 2489:     global gProbVal gTryVal gHintVal gCapaConfig
 2490:     catch {set gProbVal $gCapaConfig(default_prob_val)}
 2491:     catch {set gTryVal $gCapaConfig(default_try_val)}
 2492:     catch {set gHintVal $gCapaConfig(default_hint_val)}
 2493: }
 2494: 
 2495: ###########################################################
 2496: # openDocument
 2497: ###########################################################
 2498: ###########################################################
 2499: ###########################################################
 2500: proc openDocument {} {
 2501:     global gFile gTextWindow gSetNumberText gPrefs gChanged gQuizTemp gUndo 
 2502: 
 2503:     if { $gChanged } { if { [askToSave 0 0] == "Cancel" } { return } }
 2504:     if { ![catch {set gTextWindow}] } { 
 2505: 	if { [winfo exists $gTextWindow] } { return }
 2506:     }
 2507: 
 2508:     # the event generation is because of a bug in tk_getOpenFile
 2509:     # After double cliking the mouse Button one is thought to be left down.
 2510:     # this only seems to happen when a toplevel window is created
 2511:     # after getting the file
 2512:     set gFile [tk_getOpenFile -filetypes \
 2513: 	    { { {Quizzer} {"*.qz"} } { {All Files} {"*"} } } \
 2514: 	    -title "Select the proper file" -initialdir "[pwd]" ]
 2515: #    event generate .main <ButtonRelease-1>
 2516:     if { $gFile == "" } { return }
 2517:     if { [file isdirectory $gFile] } {
 2518: 	displayError "You attempted to open $gFile which is a directory not a file."
 2519: 	return
 2520:     }
 2521: 
 2522:     set error [ catch {set fileId [open $gFile r] } ]
 2523: 
 2524:     if { $error } {
 2525: 	displayError "Unable to read $gFile"
 2526: 	return
 2527:     } 
 2528:     
 2529:     set oldDir [pwd]
 2530:     
 2531:     cd [file dirname $gFile]
 2532: 
 2533:     set tempfiles ""
 2534:     catch {set tempfiles [glob quiztemp.*]}
 2535:     if { $tempfiles == "" } { 
 2536: 	set gQuizTemp true 
 2537:     }     
 2538:     foreach quiztempFile $tempfiles {
 2539: 	if { ! ( [file isfile $quiztempFile] && 
 2540: 	[file writable $quiztempFile] ) } {
 2541: 	    if { [makeSure "There are old quiztemp files in this directory that can not be overwritten. If you continue editing you will be unable to print or Create .dvi. You can still preview and save."] == "Cancel" } {
 2542:                 cd $oldDir
 2543:                 set gQuizTemp true
 2544:                 return
 2545: 	    } else {
 2546:                 set gQuizTemp false
 2547: 		break
 2548: 	    }
 2549: 	}
 2550:     }
 2551: 
 2552:     if { $tempfiles == "" } {
 2553: 	if { ! [file writable $gFile] } {
 2554: 	    if { [makeSure "You do not have permission to write to this directory. If you continue editing you will be unable to save, print, or create .dvi"] == "Cancel" } {
 2555: 		cd $oldDir
 2556:                 set gQuizTemp true
 2557:                 return
 2558: 	    } else {
 2559:                 set gQuizTemp false
 2560: 	    }
 2561: 	}
 2562:     }
 2563: 
 2564:     set error [parseCapaConfig]
 2565:     
 2566:     if { $error != "OK" } {
 2567: 	cd $oldDir
 2568: 	set gQuizTemp true
 2569:         return
 2570:     }
 2571:     setDefaultValues
 2572: 
 2573:     createEditingWindow 0
 2574:     $gTextWindow delete 0.0 end
 2575:     $gTextWindow insert 0.0 [read $fileId [file size $gFile]]
 2576:     $gTextWindow delete end-1c
 2577: 
 2578:     rename $gTextWindow .$gTextWindow
 2579:     trackChanges $gTextWindow 0
 2580:     set gUndo(0) 0
 2581:     set gUndo(0.cur) 0
 2582: 
 2583:     createImportLinks 0 0.0 end
 2584:     focus -force $gTextWindow 
 2585:     set coord [$gTextWindow bbox 0.0]
 2586:     event generate $gTextWindow <1> -x [lindex $coord 0] -y [lindex $coord 1]
 2587:     event generate $gTextWindow <ButtonRelease-1>
 2588:     update
 2589:     close $fileId
 2590: 
 2591:     updatePrefsWindow 
 2592: 
 2593:     set gSetNumberText [string range [file rootname [file tail $gFile]] 3 end ]
 2594:     checkIfValidFilename
 2595:     set gChanged 0
 2596: }
 2597: 
 2598: ###########################################################
 2599: # includeReferenceFile
 2600: ###########################################################
 2601: ###########################################################
 2602: ###########################################################
 2603: proc includeReferenceFile { file num window } {
 2604:     set index [$window index "file.$num.first linestart"]
 2605:     if { ![file readable $file] } {
 2606: 	displayError "Unable to read file $file"
 2607: 	return
 2608:     }
 2609:     set impline [$window get $index "$index lineend"]
 2610:     set fileId [open $file r]
 2611:     $window insert $index /
 2612:     update idletasks
 2613:     if { [$window index end] == [$window index "$index + 1 lines"] } {
 2614: 	$window insert "$index + 1 lines" "\n[read $fileId [file size $file]]"
 2615:     } else {
 2616: 	$window insert "$index + 1 lines" [read $fileId [file size $file]]
 2617:     }
 2618:     close $fileId
 2619: }
 2620: 
 2621: ###########################################################
 2622: # impMenuSaveAs
 2623: ###########################################################
 2624: ###########################################################
 2625: ###########################################################
 2626: proc impMenuSaveAs { file num window } {
 2627:     set index [$window index "file.$num.first linestart"]
 2628:     if { ![file readable $file] } {
 2629: 	displayError "Unable to read file $file"
 2630: 	return
 2631:     }
 2632:     set dir [file dirname $file]
 2633:     if { $dir != "." } {
 2634: 	set dest [tk_getSaveFile -title "Enter the name to Save As" -initialdir $dir]
 2635:     } else {
 2636: 	set dest [tk_getSaveFile -title "Enter the name to Save As" -initialdir [pwd]]
 2637:     }
 2638:     if { $dest == "" } {
 2639: 	displayError "File not saved"
 2640: 	return
 2641:     }
 2642:     if { [catch {file copy -force -- $file $dest} errorMsg ] } {
 2643: 	displayError "Unable to copy $file to $dest: $errorMsg"
 2644: 	return
 2645:     }
 2646:     $window delete $index "$index lineend"
 2647:     if { $dir != "." } {
 2648: 	$window insert $index "/IMP \"$dest\""
 2649:     } else {
 2650: 	$window insert $index "/IMP \"[file tail $dest]\""
 2651:     }
 2652: }
 2653: 
 2654: ###########################################################
 2655: # createImpMenu
 2656: ###########################################################
 2657: ###########################################################
 2658: ###########################################################
 2659: proc createImpMenu { file num window } {
 2660:     set menuFrame [menu .impmenu -tearoff 0 -type tearoff ]
 2661: 
 2662: #    wm title $menuFrame "Quizzer"
 2663:     wm overrideredirect $menuFrame 1
 2664:     wm positionfrom $menuFrame program
 2665:     $menuFrame post [winfo pointerx .] [winfo pointery .]
 2666:     $menuFrame add command -label "Open" -command "openReferenceFile $file"
 2667:     $menuFrame add command -label "Include" -command \
 2668: 	"includeReferenceFile $file $num $window"
 2669:     $menuFrame add command -label "saveAs" -command "impMenuSaveAs $file $num $window"
 2670:     grab $menuFrame
 2671:     bind all <ButtonRelease> "grab release $menuFrame;destroy $menuFrame"
 2672: }
 2673: 
 2674: ###########################################################
 2675: # registerCreateImportLinks
 2676: ###########################################################
 2677: ###########################################################
 2678: ###########################################################
 2679: proc registerCreateImportLinks { num start end} {
 2680:     global gDoCreateImportLinks gCreateImportLinks
 2681: 
 2682:     if { $gCreateImportLinks && !$gDoCreateImportLinks($num) } {
 2683: 	after idle "createImportLinks $num $start $end"
 2684: 	set gDoCreateImportLinks($num) 1
 2685:     }
 2686: }
 2687: 
 2688: ###########################################################
 2689: # createImportLinks
 2690: ###########################################################
 2691: ###########################################################
 2692: ###########################################################
 2693: proc createImportLinks { num start end } {
 2694:     global gTextWindow gUniqueNumber gDoCreateImportLinks gRefText gCapaConfig 
 2695:     
 2696:     set gDoCreateImportLinks($num) 0
 2697:     if { $num } { set window $gRefText($num) } else { set window $gTextWindow }
 2698:     if { ![winfo exists $window] } { return }
 2699:     set end [$window index $end]
 2700:     set start [$window index $start]
 2701:     set lastline [lindex [split $end .] 0]
 2702:     set startline [lindex [split $start .] 0]
 2703:     foreach tag [$window tag names] {
 2704: 	if { [regexp {file\..+} $tag ] } {
 2705: 	    if { [$window tag nextrange $tag "$start linestart" "$end lineend"] != "" } {
 2706: 		$window tag delete $tag
 2707: 	    }
 2708: 	}
 2709:     }
 2710:     for { set i $startline } { $i <= $lastline } { incr i } {
 2711: 	set aline [$window get $i.0 "$i.0 lineend"]
 2712: 	if { [regexp -nocase {(^[ 	]*)(//.*)} $aline matchVar match1 match2] } {
 2713: 	    set tagnum [incr gUniqueNumber]
 2714: 	    set start [string length $match1]
 2715: 	    set end [expr $start + [string length $match2]]
 2716: 	    $window tag add file.$tagnum $i.$start $i.$end
 2717: 	    $window tag configure file.$tagnum -foreground $gCapaConfig(comment_color)
 2718: 	} elseif { [regexp -nocase {(^.*/let.*[ 	]+)(//.*)} $aline matchVar \
 2719: 			match1 match2] } {
 2720: 	    set tagnum [incr gUniqueNumber]
 2721: 	    set start [string length $match1]
 2722: 	    set end [expr $start + [string length $match2]]
 2723: 	    $window tag add file.$tagnum $i.$start $i.$end
 2724: 	    $window tag configure file.$tagnum -foreground $gCapaConfig(comment_color)
 2725: 	} 
 2726: 	if { [regexp -nocase "(.*/imp +)(\"\[^\"\]+\")(.*)" $aline matchVar \
 2727: 		  match1 match2 match3] } {
 2728: 	    set tagnum [incr gUniqueNumber]
 2729: 	    set start [string length $match1]
 2730: 	    set end [expr $start + [string length $match2]]
 2731: 	    $window tag add file.$tagnum $i.$start $i.$end
 2732: 	    $window tag configure file.$tagnum -foreground $gCapaConfig(IMP_color)
 2733: 	    $window tag bind file.$tagnum <Double-ButtonPress> \
 2734: 		"eval openReferenceFile $match2"
 2735: 	    $window tag bind file.$tagnum <ButtonPress-3> \
 2736: 		"eval createImpMenu $match2 $tagnum $window"
 2737: 	} 
 2738:     }
 2739: }
 2740: 
 2741: ###########################################################
 2742: # isReferenceFileOpen
 2743: ###########################################################
 2744: ###########################################################
 2745: ###########################################################
 2746: proc isReferenceFileOpen { file } {
 2747:     global gWindowMenu
 2748: #    if { [catch {set index [$gWindowMenu index "Reference $file"]} ] } { return "" }
 2749:     set last [$gWindowMenu index end]
 2750: #    puts $last
 2751:     for { set index 1 } { $index <= $last } { incr index } {
 2752: #	puts $index
 2753: 	catch {set entry [$gWindowMenu entrycget $index -label]}
 2754: 	if { "Reference" == [set entryfile [lindex $entry 0]] } {
 2755: 	    set entryfile [lindex $entry 1]
 2756: 	}
 2757: #	puts $entryfile
 2758: 	if { [catch {file stat $entryfile a1}] } { continue }
 2759: 	file stat $file a2
 2760: #	puts "$a2(ino) == $a1(ino)"
 2761: 	if { $a2(ino) == $a1(ino) } {
 2762: #	    puts "seems right"
 2763: 	    return [lindex [$gWindowMenu entrycget $index -command] 1]
 2764: 	}
 2765:     }
 2766: #    puts "failed $index"
 2767:     return ""
 2768: #    puts $index
 2769: #    puts [$gWindowMenu entrycget $index -command]
 2770: #    return [lindex [$gWindowMenu entrycget $index -command] 1]
 2771: }
 2772: 
 2773: ###########################################################
 2774: # newReferenceFile
 2775: ###########################################################
 2776: ###########################################################
 2777: ###########################################################
 2778: proc newReferenceFile { } {
 2779:     global gDir
 2780: #    if { $gDir(reference) == "." } { set gDir(reference) [pwd] }
 2781:     set file [tk_getSaveFile -title "Enter the name of the New reference file" \
 2782: 		  -initialdir "$gDir(reference)" ]
 2783:     event generate .main <ButtonRelease-1>
 2784:     if { $file == "" } { return }
 2785:     set gDir(reference) [file dirname $file]
 2786:     if { [file isdirectory $file] } {
 2787: 	displayError "You attempted to create $file which is already a directory."
 2788: 	return
 2789:     }
 2790:     openReferenceFile $file 1
 2791: }
 2792: 
 2793: ###########################################################
 2794: # openReferenceFile
 2795: ###########################################################
 2796: ###########################################################
 2797: ###########################################################
 2798: proc openReferenceFile { {file ""} {new 0}} {
 2799:     global gUniqueNumber gWindowMenu gDir
 2800: 
 2801:     set num [incr gUniqueNumber]
 2802:     global gRefCurLine gRefLine gRefText gRefChanged gRefFile gRefClosed \
 2803: 	gUndo gRefChangedLast
 2804:     # the event generation is because of a bug in tk_getOpenFile
 2805:     # After double cliking the mouse Button one is thought to be left down.
 2806:     # this only seems to happen when a toplevel window is created
 2807:     # after getting the file
 2808:     if { $file == "" } {
 2809: #	if { $gDir(reference) == "." } { set gDir(reference) [pwd] }
 2810: 	set file [tk_getOpenFile -filetypes \
 2811: 		      { { {All Files} {"*"} } { {Quizzer} {"*.qz"} } } \
 2812: 		      -title "Select the proper file" \
 2813: 		      -initialdir "$gDir(reference)" ]
 2814: 	event generate .main <ButtonRelease-1>
 2815: 	if { $file == "" } { return 0 }
 2816: 	set gDir(reference) [file dirname $file]
 2817: 	
 2818: 	if { [file isdirectory $file] } {
 2819: 	    displayError "You attempted to open $file which is a directory not a file."
 2820: 	    return 0
 2821: 	}
 2822:     } else {
 2823: 	if { !$new } {
 2824: 	    if { [set window [isReferenceFileOpen $file] ] != "" } { 
 2825: 		set num [lindex [split [lindex [split $window .] 1] e] end]
 2826: 		capaRaise $window
 2827: 		return $num
 2828: 	    }
 2829: 	    # specifically opening the capa.config file
 2830: 	    if { $file == "capa.config" } {
 2831: 		global gTextWindow gFile
 2832: 		if { [catch {set gTextWindow}] } { 
 2833: 		    set file [tk_getOpenFile -filetypes \
 2834: 				  {{{Capa.config file} {"capa.config"}} 
 2835: 				      { {All Files} {"*"} } } \
 2836: 				  -title "Select the proper file" \
 2837: 				  -initialdir "$gDir(reference)" ]
 2838: 		    if { $file == "" } { return 0 }
 2839: 		} else {
 2840: 		    set file [file join [file dirname $gFile] capa.config]
 2841: 		}
 2842: 	    } else {
 2843: 		if { ![file isfile $file] && ![file readable $file] } {
 2844: 		    displayError "Unable to find $file"
 2845: 		    return 0
 2846: 		}
 2847: 		if { [file isdirectory $file] } {
 2848: 		    displayError "You attempted to open $file which is a directory not a file."
 2849: 		    return 0
 2850: 		}
 2851: 	    }
 2852: 	}
 2853:     }
 2854: 
 2855:     set gRefFile($num) $file
 2856:     set referenceFile [toplevel .reference$num]
 2857:     wm title $referenceFile "$file"
 2858: 
 2859:     $gWindowMenu add command -label "Reference $file" \
 2860: 	-command "capaRaise $referenceFile"
 2861: 
 2862:     set menuFrame [frame $referenceFile.menu -borderwidth 3 -relief raised]
 2863:     set lineFrame [frame $referenceFile.lineFrame]
 2864:     set windowFrame [frame $referenceFile.windowFrame]
 2865:     pack $menuFrame $lineFrame $windowFrame
 2866:     pack configure $windowFrame -expand 1 -fill both
 2867:     pack configure $menuFrame -fill x
 2868: 
 2869:     label $lineFrame.msg -text "Current Line:"
 2870:     label $lineFrame.current -textvariable gRefCurLine($num)
 2871:     entry $lineFrame.line -width 8 -textvariable gRefLine($num)
 2872:     bind $lineFrame.line <KeyPress-Return> "+gotoRefLine $num"
 2873:     button $lineFrame.button -text "Goto" -command \
 2874: 	    "gotoRefLine $num"
 2875:     pack $lineFrame.msg $lineFrame.current $lineFrame.line \
 2876: 	    $lineFrame.button -side left
 2877:     
 2878:     set infoFrame [frame $windowFrame.infoFrame]
 2879:     set textFrame [frame $windowFrame.textFrame]
 2880:     pack $infoFrame $textFrame -side top
 2881:     pack configure $textFrame -expand 1 -fill both
 2882: 
 2883:     scrollbar $textFrame.scroll -orient vertical -command \
 2884: 	    "$textFrame.text yview"
 2885:     set textWindow [text $textFrame.text -yscrollcommand \
 2886: 	    "$textFrame.scroll set" -wrap char]
 2887:     pack $textFrame.scroll $textWindow -side left -expand 0
 2888:     pack configure $textFrame.scroll -expand 0 -fill y
 2889:     pack configure $textWindow -expand true -fill both
 2890: 
 2891: #    label $infoFrame.label -textvariable gRefFile($num)
 2892: #    pack $infoFrame.label -side left
 2893: 
 2894:     menubutton $menuFrame.file -text File -menu $menuFrame.file.m
 2895:     menubutton $menuFrame.edit -text Edit -menu $menuFrame.edit.m
 2896:     pack $menuFrame.file $menuFrame.edit -side left
 2897:     
 2898:     set fileMenu [ menu $menuFrame.file.m ]
 2899:     set editMenu [ menu $menuFrame.edit.m ]
 2900: 
 2901:     $fileMenu add command -label Save -command \
 2902: 	    "saveText $textWindow 0 $num" -accelerator "Alt+s"
 2903:     bind $referenceFile <Alt-s> \
 2904: 	    "saveText $textWindow 0 $num"
 2905:     $fileMenu add command -label "Save As" -command \
 2906: 	    "saveText $textWindow 1 $num" -accelerator "Alt+S"
 2907:     bind $referenceFile <Alt-Shift-s> "saveText $textWindow 1 $num" 
 2908:     $fileMenu add command -label Delete -command "deleteFile $num"
 2909:     $fileMenu add command -label Print -command "printText $textWindow"
 2910:     $fileMenu add command -label Close -command "closeRefFile $num" \
 2911: 	    -accelerator "Alt+w"
 2912:     bind $referenceFile <Alt-w> "closeRefFile $num"
 2913: #    bind $referenceFile <Destroy> "closeRefFile $num 1"
 2914:     wm protocol $referenceFile WM_DELETE_WINDOW "closeRefFile $num 1"
 2915:     $editMenu add command -label "Cut" -command "tk_textCut $textWindow" \
 2916: 	    -accelerator "Alt+x"
 2917:     bind $referenceFile <Alt-x> "tk_textCut $textWindow"
 2918:     $editMenu add command -label "Copy" -command "tk_textCopy $textWindow" \
 2919: 	    -accelerator "Alt+c"
 2920:     bind $referenceFile <Alt-c> "tk_textCopy $textWindow"
 2921:     $editMenu add command -label "Paste" -command "tk_textPaste $textWindow" \
 2922: 	    -accelerator "Alt+v"
 2923:     bind $referenceFile <Alt-v> "tk_textPaste $textWindow"
 2924:     $editMenu add command -label "Select All " -command \
 2925: 	    "selectAll $num "  -accelerator "Alt+a"
 2926:     bind $referenceFile <Alt-a> "selectAll $num" 
 2927:     $editMenu add separator
 2928:     $editMenu add command -label "Undo" -command "undo $num" \
 2929: 	    -accelerator "Alt+u"
 2930:     bind $referenceFile <Alt-u> "undo $num" 
 2931: #    $editMenu add command -label "Redo" -command "redo $num"
 2932:     $editMenu add separator
 2933:     $editMenu add command -label "Find" -command "createFindWindow $num" \
 2934: 	-accelerator "Alt+f"
 2935: 
 2936:     
 2937:     if { !$new } {
 2938: 	set fileId [open $file r]
 2939: 	$textWindow insert 0.0 [read $fileId [file size $file]]
 2940: 	$textWindow delete end-1c
 2941: 	close $fileId
 2942:     }
 2943:     
 2944:     set gRefText($num) $textWindow
 2945:     rename $textWindow .$textWindow
 2946:     trackChanges $textWindow $num
 2947:     set gUndo($num) 0
 2948:     set gUndo($num.cur) 0
 2949: 
 2950:     createImportLinks $num 0.0 end
 2951:     focus -force $textWindow 
 2952: #    update
 2953:     set coord [$textWindow bbox 0.0]
 2954:     event generate $textWindow <1> -x [lindex $coord 0] -y [lindex $coord 1]
 2955: #    update
 2956:     event generate $textWindow <ButtonRelease-1>
 2957: #    update
 2958: #    capaRaise $referenceFile
 2959:     after 1 "catch \{focus $textWindow;raise $referenceFile\}"
 2960:     selection clear
 2961: #order is important here since gRefChanged has a trace on it the references 
 2962: #gRefChangedLast
 2963:     set gRefChangedLast($num) 0
 2964:     set gRefChanged($num) 0
 2965:     set gRefClosed($num) 0
 2966:     addFindList $num
 2967:     return $num
 2968: }
 2969: 
 2970: ###########################################################
 2971: ###########################################################
 2972: ###########################################################
 2973: ###########################################################
 2974: proc trackChanges { procName num } {
 2975:     eval "proc $procName args {
 2976: 	global gUndo gRefChanged gChanged
 2977: 	if {\[regexp {^(ins|del).*} \[lindex \$args 0\]\]} { 
 2978: 	    #puts \"\$args\"
 2979: 	    if { \$gUndo($num.cur) != \$gUndo($num) } {
 2980: 		set i \[expr \$gUndo($num.cur) + 1 \]
 2981: 		while { \[ info exists gUndo($num.\$i) \] } {
 2982: 		    unset gUndo($num.\$i)
 2983: 		    incr i
 2984: 		}
 2985: 		set gUndo($num) \$gUndo($num.cur)
 2986: 	    }
 2987: 	    set gUndo($num.cur) \$gUndo($num)
 2988: 	    set insertindex \[.$procName index \[lindex \$args 1 \] \]
 2989: 	    set numChange \[set gUndo($num.cur) \[incr gUndo($num) \] \]
 2990: 	    if { $num == 0 } { set gChanged 1 } else { set gRefChanged($num) 1 }
 2991: 	}
 2992: 	if {\[regexp {^(ins).*} \[lindex \$args 0\]\]} {
 2993: 	    set index2 \$insertindex+\[string length \[lindex \$args 2 \] \]chars
 2994: 	    set gUndo($num.\$numChange) \"delete \$insertindex \$index2 \"
 2995:             if {\[regexp {.*\[\"/\].*} \$args\] || \
 2996:                 \[regexp {.*\[\"/\].*} \[.$procName get \"\$insertindex linestart\" \"\$index2 lineend\"\]\]} { 
 2997:                 registerCreateImportLinks $num \$insertindex \$index2
 2998:             }
 2999: 	} elseif {\[regexp {^(del).*} \[lindex \$args 0\]\]} { 
 3000: 	    if { \[catch { set insertindex2 \[.$procName index \
 3001: 		    \[lindex \$args 2 \] \] } \] } {
 3002: 		set chars \[ .$procName get \$insertindex \]
 3003:                 set insertindex2 \$insertindex+1c
 3004: 	    } else {
 3005: 		set chars \[ .$procName get \$insertindex \$insertindex2 \]
 3006: 	    }
 3007: 	    set gUndo($num.\$numChange) \"insert \$insertindex \[list \$chars\] \"
 3008:             if {\[regexp \{.*\[\"/\].*\} \$chars\] || \
 3009:                 \[regexp \{.*\[\"/\].*\} \[.$procName get \"\$insertindex linestart\" \"\$insertindex2 lineend\"\]\]} { 
 3010:                registerCreateImportLinks $num \$insertindex \$insertindex2
 3011:             }
 3012: 	}
 3013: 	set result \[uplevel .$procName \$args\]
 3014:         updateLocation $num
 3015:         return \$result
 3016:     }"
 3017: }
 3018: 
 3019: ###########################################################
 3020: ###########################################################
 3021: ###########################################################
 3022: ###########################################################
 3023: proc undo { num } {
 3024:     global gUndo gRefText gTextWindow gChanged gRefChanged
 3025:     if { $gUndo($num.cur) == 0 } { return }
 3026:     set undoInfo $gUndo($num.$gUndo($num.cur))
 3027:     if { [regexp {.*[\"/].*} $undoInfo] } {
 3028: 	registerCreateImportLinks $num [lindex $undoInfo 1] end
 3029:     }
 3030:     if { [regexp {.*delete.*} $undoInfo] } {
 3031: 	registerCreateImportLinks $num [lindex $undoInfo 1] [lindex $undoInfo 2]
 3032:     }
 3033:     if { $num == 0 } {
 3034: 	if {[catch {eval ".$gTextWindow $gUndo($num.$gUndo($num.cur))"}]} { return }
 3035: 	set gChanged 1
 3036:     } else {
 3037: 	if {[catch {eval ".$gRefText($num) $gUndo($num.$gUndo($num.cur))"}]} { return }
 3038: 	set gRefChanged($num) 1
 3039:     }
 3040:     incr gUndo($num.cur) -1
 3041: }
 3042: 
 3043: ###########################################################
 3044: ###########################################################
 3045: ###########################################################
 3046: ###########################################################
 3047: proc redo { num } {
 3048:     global gUndo gRefText
 3049: }
 3050: 
 3051: ###########################################################
 3052: ###########################################################
 3053: ###########################################################
 3054: ###########################################################
 3055: proc gotoRefLine { number } {
 3056:     global gRefLine gRefText
 3057:     if { [catch {set gRefText($number)}] } { return }
 3058:     if { ![winfo exists $gRefText($number)] } { return }
 3059: 
 3060:     if { $gRefLine($number) == "" } {
 3061: 	return
 3062:     } else {
 3063: 	$gRefText($number) mark set insert $gRefLine($number).0
 3064: 	catch {$gRefText($number) tag remove sel sel.first sel.last}
 3065: 	$gRefText($number) tag add sel "insert linestart" "insert lineend"
 3066: 	$gRefText($number) see insert
 3067:     } 
 3068: }
 3069: 
 3070: ###########################################################
 3071: # updateLocation
 3072: ###########################################################
 3073: ###########################################################
 3074: ###########################################################
 3075: proc updateLocation { number } {
 3076:     global gRefCurLine gRefText gTextWindow gLineNumber gCharacterNumber
 3077: 
 3078:     if {$number} {set window $gRefText($number)} {set window $gTextWindow} 
 3079: #    if {![winfo exists $gRefText($number)]} {return};#do I need this
 3080:     set spot [split [.$window index insert] "."]
 3081:     if { $number } {
 3082: 	set gRefCurLine($number) [lindex $spot 0 ]
 3083:     } else {
 3084: 	set gLineNumber [lindex $spot 0]
 3085: 	set gCharacterNumber [lindex $spot 0]
 3086:     }
 3087: }
 3088: 
 3089: ###########################################################
 3090: ###########################################################
 3091: ###########################################################
 3092: ###########################################################
 3093: proc askToSave { refNum mustClose } {
 3094:     global gPrompt
 3095:     
 3096:     set dialog [toplevel .askToSavePrompt -borderwidth 10]
 3097:     wm title $dialog "Do you wish to Save"
 3098:     wm geo $dialog "+200+200"
 3099:     if { $refNum } {
 3100: 	global gRefFile
 3101: 	set msg "Reference File: $gRefFile($refNum) has changed. Do you wish to save?"
 3102:     } else {
 3103: 	set msg "Source has changed do you wish to save?"
 3104:     }
 3105:     message $dialog.msg -text $msg -aspect 800
 3106:     
 3107:     set gPrompt(result) ""
 3108:     set buttonFrame [frame $dialog.buttons -bd 10]
 3109:     pack $dialog.msg $buttonFrame -side top -fill x
 3110:     
 3111:     bind $dialog <Destroy> { 
 3112: 	set gPrompt(result) Cancel
 3113: 	set gPrompt(yes) 0
 3114:     }
 3115: 
 3116:     button $buttonFrame.yes -text Yes -underline 0 -command {
 3117: 	set gPrompt(yes) 1
 3118:     }
 3119:     button $buttonFrame.no -text No -underline 0 -command {
 3120: 	set gPrompt(yes) 0
 3121:     } 
 3122:     if { !$mustClose } {
 3123: 	button $buttonFrame.cancel -text Cancel  -underline 0 -command { 
 3124: 	    set gPrompt(yes) 0 
 3125: 	    set gPrompt(result) Cancel
 3126: 	}
 3127: 	pack $buttonFrame.yes $buttonFrame.no $buttonFrame.cancel -side left
 3128:     } else {
 3129: 	pack $buttonFrame.yes $buttonFrame.no -side left
 3130:     }
 3131:     bind $dialog <Alt-Key> break
 3132: 
 3133:     Centre_Dialog $dialog default
 3134:     update
 3135: 
 3136:     focus $dialog
 3137:     capaRaise $dialog
 3138:     capaGrab $dialog
 3139:     vwait gPrompt(yes)
 3140:     capaGrab release $dialog
 3141:     bind $dialog <Destroy> ""
 3142:     destroy $dialog
 3143:     if {$gPrompt(yes)} {
 3144: 	if { $refNum } {
 3145: 	    global gRefText 
 3146: 	    saveText $gRefText($refNum) 0 $refNum
 3147: 	} else {
 3148: 	    saveDocument
 3149: 	}
 3150:     } else {
 3151: 	return $gPrompt(result)
 3152:     }
 3153: }    
 3154: 
 3155: ###########################################################
 3156: ###########################################################
 3157: ###########################################################
 3158: ###########################################################
 3159: proc saveDocument { {saveAs 0} } {
 3160:     global gFile gTextWindow gSetNumberText gChanged gEditWindow gWindowMenu \
 3161: 	gCapaConfig
 3162:     if { [catch {set gTextWindow}] } { return }
 3163:     if { ![winfo exists $gTextWindow] } { return }
 3164:     if { $gFile == "" } { set saveAs 1 }
 3165:     if {$saveAs == 1} {
 3166: 	set temp [tk_getSaveFile -title "Enter the name to Save As" \
 3167: 		-initialdir "[pwd]" ]
 3168: 	if { $temp == "" } {
 3169: 	    displayError "File not saved"
 3170: 	    return
 3171: 	}
 3172: 	
 3173: 	catch {removeWindowEntry "$gFile*"}
 3174: 	catch {removeFindList}	
 3175: 	set gFile $temp
 3176: 	addFindList
 3177: 	cd [file dirname $gFile]
 3178: 	set gSetNumberText [string range [file rootname [file tail $gFile]] \
 3179: 		3 end ]
 3180: 	checkIfValidFilename
 3181: 	wm title [winfo toplevel $gEditWindow] $gFile 
 3182: 
 3183: 	$gWindowMenu add command -label "$gFile" -command \
 3184: 		"capaRaise $gEditWindow"
 3185:     } else {
 3186: 	if { ([array name gCapaConfig quizzerBackupQZ] == "") ||
 3187: 	     ($gCapaConfig(quizzerBackupQZ)!="off") } {
 3188: 	    if { [catch {file copy -force $gFile $gFile.bak} ] } {
 3189: 		displayError "Unable to create backup for $gFile"
 3190: 	    }
 3191: 	}
 3192:     }
 3193:     
 3194:     set fileId [open $gFile w]
 3195: 
 3196:     puts -nonewline $fileId [$gTextWindow get 0.0 end]
 3197: 
 3198:     close $fileId
 3199: 
 3200:     savePrefs
 3201:     set gChanged 0
 3202: }
 3203:  
 3204: ###########################################################
 3205: ###########################################################
 3206: ###########################################################
 3207: ###########################################################
 3208: proc closeDocument { { mustClose 0 } { save 1 } } {
 3209:     global gFile gEditWindow gChanged gPrefs \
 3210: 	    gPutLine gTryVal gProbVal gHintVal gQuizTemp \
 3211: 	    gNumberParsedText gSetNumberText gClosedDocument gTextWindow
 3212:     if { [catch {set gEditWindow}] } { return }
 3213:     if { ![winfo exists $gEditWindow] } { return }
 3214:     if { $gClosedDocument } { return }
 3215:     if { $save && $gChanged } {
 3216: 	if { [askToSave 0 $mustClose] == "Cancel"  && (! $mustClose ) } { return }
 3217:     }
 3218:     if {(!$mustClose)&&[makeSure "Are you sure you wish to stop editing?"]=="Cancel"} {
 3219: 	return 
 3220:     }
 3221:     set gClosedDocument 1
 3222:     removeFindList
 3223:     destroy $gEditWindow
 3224:     removeWindowEntry "$gFile*"
 3225:     set gFile ""
 3226:     set gChanged 0
 3227:     set gPrefs(info) "Problem"
 3228:     set gPrefs(TeXHeader) ""
 3229:     set gPrefs(TeXFooter) ""
 3230:     set gPutLine 1
 3231:     set gTryVal 99
 3232:     set gHintVal 1
 3233:     set gProbVal 1
 3234:     set gQuizTemp "true"
 3235:     set gNumberParsedText ""
 3236:     set gSetNumberText ""
 3237: }
 3238: 
 3239: ###########################################################
 3240: ###########################################################
 3241: ###########################################################
 3242: ###########################################################
 3243: proc closeRefFile { refNum  { mustClose 0 } { save 1 } } {
 3244:     global gRefChanged gRefText gRefFile gRefClosed gRefCurLine gRefLine gRefChangedLast
 3245:     if { [catch {set gRefText($refNum)}] } { return }
 3246:     if { ![winfo exists $gRefText($refNum)] } { return }
 3247:     if { $gRefClosed($refNum) } { return }
 3248:     if { $save && $gRefChanged($refNum) } { 
 3249: 	if { [askToSave $refNum $mustClose] == "Cancel" && ( ! $mustClose ) } { return }
 3250:     }
 3251: 
 3252:     if { ( ! $mustClose ) && ( [makeSure "Are you sure you wish to stop editing $gRefFile($refNum)?"] == "Cancel" ) } {
 3253: 	return 
 3254:     }
 3255:     set gRefClosed($refNum) 1
 3256:     removeFindList $refNum
 3257:     destroy [winfo toplevel $gRefText($refNum)]
 3258:     removeWindowEntry "Reference $gRefFile($refNum)*"
 3259:     unset gRefText($refNum) gRefChanged($refNum) gRefClosed($refNum) gRefFile($refNum) \
 3260: 	gRefCurLine($refNum) gRefLine($refNum) gRefChangedLast($refNum)
 3261: }
 3262: 
 3263: ###########################################################
 3264: # quit
 3265: ###########################################################
 3266: # called when the quit option is selected on the menu, unmaps
 3267: # all keys.
 3268: ###########################################################
 3269: # Arguments: None
 3270: # Returns: Nothing
 3271: # Globals: gChanged - whether or not the file has been modified
 3272: ###########################################################
 3273: proc quit { { mustClose 0 } } {
 3274:     global gChanged gRefChanged gRefText
 3275: 
 3276:     if { (! $mustClose ) && [makeSure "Are you sure you wish to quit?"] == "Cancel" } {
 3277: 	return 
 3278:     }
 3279: 
 3280:     if { $gChanged } {
 3281:  	if { [askToSave 0 $mustClose] == "Cancel" && ( ! $mustClose ) } {
 3282: 	    return
 3283: 	}
 3284:     }
 3285:     
 3286:     foreach refNum [array names gRefChanged] {
 3287: 	if { $gRefChanged($refNum) == 1 } {
 3288: 	    if { [winfo exists $gRefText($refNum)] } {
 3289: 		if { [askToSave $refNum $mustClose ] == "Cancel" && (! $mustClose ) } {
 3290: 		    return
 3291: 		}
 3292: 	    }
 3293: 	}
 3294:     }
 3295: 
 3296:     exec /bin/rm -f quiztemp.ps
 3297:     exec /bin/rm -f quiztemp.dvi
 3298:     exec /bin/rm -f quiztemp.tex
 3299:     exec /bin/rm -f quiztemp.log
 3300:     exec /bin/rm -f quiztemp.aux
 3301:     exec /bin/rm -f quiztemp.txt
 3302: 
 3303:     unmapAllKeys
 3304: 
 3305:     exit
 3306: }
 3307: 
 3308: ###########################################################
 3309: # createStopButton
 3310: ###########################################################
 3311: ###########################################################
 3312: ###########################################################
 3313: proc createStopButton {} {
 3314:     global gStopStatus
 3315:     if {[winfo exists .stopbutton]} {destroy .stopbutton}
 3316:     set top [toplevel .stopbutton]
 3317:     button $top.stop -text "Stop Parser" -command "stopParser"
 3318:     label $top.status -textvariable gStopStatus -width 35 -anchor w
 3319:     pack $top.stop $top.status
 3320:     set gStopStatus ""
 3321:     grab $top
 3322:     Centre_Dialog $top default
 3323:     update
 3324: }
 3325: 
 3326: ###########################################################
 3327: # destroyStopButton
 3328: ###########################################################
 3329: ###########################################################
 3330: ###########################################################
 3331: proc destroyStopButton {} {
 3332:     grab release .stopbutton
 3333:     destroy .stopbutton
 3334: }
 3335: 
 3336: ###########################################################
 3337: # createDvi
 3338: ###########################################################
 3339: ###########################################################
 3340: ###########################################################
 3341: proc createDvi { {showXdvi 1} {showStopButton 0} {useqzparse 0}} {
 3342:     global gPreviewMode gCreateDviText gPrefs gSetNumberText \
 3343: 	    gStudentSelection gFile gWindowMenu gLatexId gParseErrorsText \
 3344: 	    gEditWindow gCreateDviTextTemp gXdviOpt  \
 3345:             gLoadHeaderSet gCapaConfig gControlDates gNumberParsedText \
 3346: 	    gDonePrinting
 3347: 
 3348:     if { [catch {set gEditWindow}] } { return }
 3349:     if { ![winfo exists $gEditWindow] } { return }
 3350:     
 3351:     catch { destroy .createDviText }
 3352:     set gCreateDviTextTemp [text .createDviText]
 3353:     
 3354:     switch $gPrefs(info) {
 3355: 	Problem { set type 0 }
 3356: 	ProblemAnswer { set type 1 }
 3357: 	Answer { set type 2 }
 3358:     }
 3359: 
 3360:     if { $useqzparse } {
 3361: 	set gDonePrinting 0
 3362: 	switch $gPrefs(info) {
 3363: 	    Problem	{ set type "-T" }
 3364: 	    Answer	{ set type "-Ta" }
 3365: 	    ProblemAnswer { set type "-Tb" }
 3366: 	    default	{ set type "-T"	}
 3367: 	}
 3368: 	createCreateDviWin
 3369: 	grab .createDvi
 3370: 	$gCreateDviText delete 0.0 end
 3371: 	if { [setupSetsToPrint set start end 0] == 1 } { return 1 }
 3372: 	if { [set gStopPrinting [expr 2 == [runLatex \
 3373:             "echo [pwd] | $gCapaConfig(qzparse_command) \
 3374: 	    -stu $gStudentSelection(studentNumber) -set $set \
 3375: 	    -d [pwd] -c [pwd] $type " gCreateDviText] ] ] } {
 3376: 	    exec rm -f $gStudentSelection(studentNumber).tex quiztemp.tex
 3377: 	    if {$showStopping} {
 3378: 		displayMessage "Printing has been stopped."
 3379: 		set gDonePrinting 1
 3380: 		set gStopPrinting 0
 3381: 	    }
 3382: 	    return 1
 3383: 	}
 3384: 	exec mv $gStudentSelection(studentNumber).tex quiztemp.tex
 3385: 	exec /bin/rm -f quiztemp.dvi 
 3386:     } else {
 3387: 	createStopButton
 3388: 	if { [catch { 
 3389: 	    set numberParsed [ texParse $type $gSetNumberText \
 3390: 				   $gStudentSelection(type) $gStudentSelection(random) \
 3391: 				   $gStudentSelection(studentNumber) \
 3392: 				   $gStudentSelection(studentName) \
 3393: 				   gCreateDviTextTemp 1 ] }]} {
 3394: 	    return
 3395: 	}
 3396: 	destroyStopButton
 3397: 	checkHeader $numberParsed
 3398: 	
 3399: 	if { [showParseErrors] != "" } {
 3400: 	    if { [makeSure "There were errors when parsing the .qz file, \
 3401: 		continue to create the .dvi?"] =="Cancel" } {
 3402: 		destroy $gCreateDviTextTemp
 3403: 		return
 3404: 	    }   
 3405: 	}
 3406: 	
 3407: 	set error [catch { set fileId [open quiztemp.tex w] } ]
 3408: 	if { $error } {
 3409: 	    displayError "Unable to create neccessary temp files, delete all the\
 3410:  quiztemp file from the class directory."
 3411: 	    return
 3412: 	}
 3413: 
 3414: 	set filename [file join [file dirname $gFile] TeXheader ]
 3415: 	set texfileId [open $filename r]
 3416: 	puts -nonewline $fileId [read $texfileId [file size $filename]]
 3417: 	close $texfileId
 3418:     
 3419: 	puts -nonewline  $fileId "[$gCreateDviTextTemp get 0.0 end]"
 3420: 	
 3421: 	set filename [file join [file dirname $gFile] TeXfooter ]
 3422: 	set texfileId [open $filename r]
 3423: 	puts $fileId [read $texfileId [file size $filename]]
 3424: 	close $texfileId
 3425: 	
 3426: 	close $fileId
 3427:     }
 3428: 
 3429:     destroy $gCreateDviTextTemp
 3430: 
 3431:     if { ![winfo exists .createDvi] } {
 3432: 	set createDviWindow [toplevel .createDvi]
 3433: 	$gWindowMenu add command -label "CreateDvi" -command \
 3434: 		"capaRaise $createDviWindow"
 3435: 	wm title $createDviWindow "LaTeX Output"
 3436: 	addFindList -3
 3437: 
 3438: 	set windowFrame [frame $createDviWindow.windowFrame]
 3439: 	set buttonFrame [frame $createDviWindow.buttonFrame]
 3440: 	
 3441: 	pack $windowFrame $buttonFrame -side bottom
 3442: 	pack configure $windowFrame -expand true -fill both
 3443: 	pack configure $buttonFrame -anchor e
 3444: 
 3445: 	scrollbar $windowFrame.scroll -orient vertical -command \
 3446: 		"$windowFrame.text yview"
 3447: 	set gCreateDviText [text $windowFrame.text -yscrollcommand \
 3448: 		"$windowFrame.scroll set" -wrap char -height 40]
 3449: 	
 3450: 	pack $windowFrame.scroll $gCreateDviText -side left -expand 0
 3451: 	pack configure $windowFrame.scroll -expand 0 -fill y
 3452: 	pack configure $gCreateDviText -expand true -fill both
 3453: 	
 3454: 	set appearingFrame [frame $buttonFrame.appearingFrame]
 3455: 	button $buttonFrame.ok -text Dismiss -command \
 3456: 		"trace vdelete gFile w updateCreateDvi
 3457:                  destroy $createDviWindow
 3458: 	         removeWindowEntry CreateDvi
 3459:                  removeFindList -3"
 3460: 	bind $createDviWindow <Destroy> \
 3461: 		"trace vdelete gFile w updateCreateDvi
 3462: 	         removeWindowEntry CreateDvi
 3463:                  removeFindList -3"
 3464: 	pack $appearingFrame $buttonFrame.ok -side left
 3465: 
 3466: 	button $appearingFrame.stop -text "Stop Creating Print Jobs"\
 3467: 		-command "stopPrinting"
 3468: 	set name [file rootname [file tail $gFile ] ].dvi
 3469: 	button $appearingFrame.print -text \
 3470: 		"Save.dvi file to $name" \
 3471: 		-command saveDvi
 3472: 	trace variable gFile w updateCreateDvi
 3473: 
 3474: 	if { $showStopButton } {
 3475: 	    pack $appearingFrame.stop $appearingFrame.print -side left
 3476: 	    pack forget $appearingFrame.print
 3477: 	} else {
 3478: 	    pack $appearingFrame.stop $appearingFrame.print -side left
 3479: 	    pack forget $appearingFrame.stop
 3480: 	}
 3481: 
 3482: 	Centre_Dialog $createDviWindow default
 3483: 	update
 3484:     } else {
 3485: 	if { $showStopButton } {
 3486: 	    pack forget .createDvi.buttonFrame.appearingFrame.print
 3487: 	    pack .createDvi.buttonFrame.appearingFrame.stop
 3488: 	} else {
 3489: 	    pack forget .createDvi.buttonFrame.appearingFrame.stop
 3490: 	    pack .createDvi.buttonFrame.appearingFrame.print
 3491: 	}
 3492: 	if { !$useqzparse } { $gCreateDviText delete 0.0 end }
 3493:     }
 3494:         
 3495:     exec /bin/rm -f quiztemp.dvi 
 3496:     $gCreateDviText insert end      "$gCapaConfig(latex_command)\n"
 3497:     $gCreateDviText see end
 3498:     set createdDvi [ runLatex "pwd ; $gCapaConfig(latex_command) quiztemp.tex < \
 3499: 	    [file join / dev null ]" gCreateDviText]
 3500: 
 3501:     if { ($showXdvi == 1)  && ( $createdDvi == 1 ) } { 
 3502: 	eval "exec $gCapaConfig(xdvi_command) $gXdviOpt quiztemp.dvi >& /dev/null & "
 3503:     }
 3504: 
 3505:     catch { capaRaise $gParseErrorsText }
 3506:     set gDonePrinting 1
 3507:     return $createdDvi
 3508: }
 3509: 
 3510: ###########################################################
 3511: ###########################################################
 3512: ###########################################################
 3513: ###########################################################
 3514: proc stopPrinting {} {
 3515:     global gStopPrinting
 3516:     set gStopPrinting 1
 3517: }
 3518: 
 3519: ###########################################################
 3520: ###########################################################
 3521: ###########################################################
 3522: ###########################################################
 3523: proc saveDvi { } {
 3524:     global gFile
 3525: 
 3526:     set name [file rootname [ file tail $gFile]].dvi
 3527:     catch { exec rm -f $name }
 3528: 
 3529:     if { [ catch { exec cp quiztemp.dvi $name } ] } {
 3530: 	displayMessage "Unable to create $name "
 3531:     } else {
 3532: 	displayMessage "Created $name "
 3533:     }
 3534: }
 3535: 
 3536: 
 3537: ###########################################################
 3538: ###########################################################
 3539: ###########################################################
 3540: ###########################################################
 3541: proc updateCreateDvi { name1 name2 op } {
 3542:     global gFile
 3543: 
 3544:     set name [file rootname [file tail $gFile ] ].dvi
 3545:     catch { .createDvi.buttonFrame.appearingFrame.print configure \
 3546: 	    -text "Save.dvi file to $name" }
 3547: }
 3548: ###########################################################
 3549: ###########################################################
 3550: ###########################################################
 3551: ###########################################################
 3552: proc printWindow {} {
 3553:     global gPrintSelection gWindowMenu gEditWindow gStopPrinting\
 3554: 	gSetNumberText gMaxSet gFile gChanged
 3555: 
 3556:     set gStopPrinting 0
 3557:     if { [catch {set gEditWindow}] } { return }
 3558:     if { ![winfo exists $gEditWindow] } { return }
 3559: 
 3560:     if { [winfo exists .print] } { 
 3561: 	capaRaise .print
 3562: 	return 
 3563:     }
 3564:     if { $gChanged } { if { [askToSave 0 0] == "Cancel" } { return } }
 3565: 
 3566:     set print [toplevel .print]
 3567:     $gWindowMenu add command -label "Print" -command "capaRaise $print"
 3568:     wm title $print "Select a Print Method"
 3569:     message $print.msg -text "Please specify a print method." -aspect 10000
 3570:     set oneSetFrame [frame $print.frame1 -relief groove -borderwidth 4]
 3571:     set moreSetFrame [frame $print.frame2 -relief groove -borderwidth 4]
 3572:     set buttonFrame [frame $print.buttons]
 3573:     pack $print.msg $oneSetFrame $moreSetFrame $buttonFrame -side top 
 3574:     pack configure $oneSetFrame $moreSetFrame -anchor w -fill x
 3575:    
 3576:     set infoFrame [frame $moreSetFrame.frame1]
 3577:     set setFrame [frame $moreSetFrame.frame2 -relief solid -borderwidth 1]
 3578:     pack $infoFrame $setFrame 
 3579:     pack configure $infoFrame $setFrame -anchor w
 3580:     
 3581:     if {[catch {set gPrintSelection(sets)}]} {set gPrintSelection(sets) printCur}
 3582:     if {[catch {set gPrintSelection(type)}]} {set gPrintSelection(type) printSpecific}
 3583:     if {[catch {set gPrintSelection(setend)}]} {set gPrintSelection(setend) $gSetNumberText}
 3584:     radiobutton $setFrame.specific -text "Print Current Set ($gSetNumberText)" \
 3585: 	    -value "printCur" -variable gPrintSelection(sets) 
 3586:     set scaleFrame [frame $setFrame.scales]
 3587:     pack $setFrame.specific $scaleFrame -anchor w
 3588: 
 3589:     for { set i 1 } { $i <= $gMaxSet } { incr i } {
 3590: 	if { ! [file exists [file join [file dirname $gFile] records "set$i.db"]] } { break }
 3591:     }
 3592:     incr i -1
 3593:     set gPrintSelection(setend) $gSetNumberText
 3594:     radiobutton $scaleFrame.range -text "Print Set Range:" \
 3595: 	    -value "printRange" -variable gPrintSelection(sets) 
 3596:     scale $scaleFrame.start -from 1 -to $i -variable gPrintSelection(setstart) \
 3597: 	-orient h 
 3598:     label $scaleFrame.msg -text "to"
 3599:     scale $scaleFrame.end -from 1 -to $i -variable gPrintSelection(setend) \
 3600: 	-orient h 
 3601:     pack $scaleFrame.range $scaleFrame.start $scaleFrame.msg \
 3602: 	$scaleFrame.end -side left
 3603: 
 3604:     button $buttonFrame.ok -text "Select" -command selectedPrintMethod
 3605:     button $buttonFrame.cancel -text "Cancel" -command \
 3606: 	    "destroy .print
 3607:              removeWindowEntry Print"
 3608:     bind $print <Destroy> "removeWindowEntry Print"
 3609:     pack $buttonFrame.ok $buttonFrame.cancel -side left
 3610:     
 3611:     set currentDviFrame [frame $oneSetFrame.currentDvi]
 3612:     set currentPreviewFrame [frame $oneSetFrame.currentPreview]
 3613:     set randomFrame [frame $oneSetFrame.random]
 3614:     set specificFrame [frame $infoFrame.specific]
 3615:     set sectionFrame [frame $infoFrame.section]
 3616:     set multSectionFrame [frame $infoFrame.multsection]
 3617:     set wholeClassFrame [frame $infoFrame.wholeClass]
 3618:     pack $currentDviFrame $currentPreviewFrame $randomFrame $specificFrame \
 3619: 	    $sectionFrame $multSectionFrame $wholeClassFrame -anchor w \
 3620: 	    -side top
 3621:     pack configure $specificFrame -expand true -fill both
 3622: 
 3623:     radiobutton $currentDviFrame.currentDvi -text "Print current .dvi" \
 3624: 	    -value "printCurrentDvi" -variable gPrintSelection(type) 
 3625:     pack $currentDviFrame.currentDvi -side left 
 3626: 
 3627:     radiobutton $randomFrame.random -text \
 3628: 	    "Randomly select one student from section:" \
 3629: 	    -value "printRandom" -variable gPrintSelection(type) 
 3630:     entry $randomFrame.entry -textvariable gPrintSelection(random)  -width 3 \
 3631: 	-validate key -validatecommand "limitEntry %W 3 number %P"
 3632:     pack $randomFrame.random $randomFrame.entry -side left 
 3633: 
 3634:     radiobutton $specificFrame.specific -text "Specify the student by:" \
 3635: 	-value "printSpecific" -variable gPrintSelection(type) 
 3636:     set studentNumber [frame $specificFrame.studentNumber]
 3637:     set fullName [frame $specificFrame.fullName]
 3638:     pack $specificFrame.specific $studentNumber $fullName -side top
 3639:     pack configure $specificFrame.specific -anchor w
 3640:     pack configure $studentNumber $fullName -anchor e
 3641: 
 3642:     radiobutton $sectionFrame.section -text "Print section" \
 3643: 	-value "printSection" -variable gPrintSelection(type) 
 3644:     entry $sectionFrame.entry -textvariable gPrintSelection(section)  -width 3 \
 3645: 	-validate key -validatecommand "limitEntry %W 3 number %P"
 3646:     pack $sectionFrame.section $sectionFrame.entry -side left
 3647: 
 3648:     radiobutton $multSectionFrame.section -text "Print multiple sections" \
 3649: 	-value "printMultipleSections" -variable gPrintSelection(type) 
 3650:     pack $multSectionFrame.section -side left
 3651: 
 3652:     radiobutton $wholeClassFrame.wholeClass -text "Print whole class." \
 3653: 	-value "printWholeClass" -variable gPrintSelection(type) 
 3654:     pack $wholeClassFrame.wholeClass -side left
 3655:     
 3656: i   message $studentNumber.msg -text "Student Number: "  -aspect 10000
 3657:     entry $studentNumber.entry -textvariable gPrintSelection(studentNumber) -width 9 \
 3658: 	-validate key -validatecommand "limitEntry %W 9 any %P"
 3659:     pack $studentNumber.msg $studentNumber.entry -side left
 3660: 
 3661:     message $fullName.msg -text "Student Name: "  -aspect 10000 
 3662:     entry $fullName.entry -textvariable gPrintSelection(studentName) -width 30 \
 3663: 	-validate key -validatecommand "limitEntry %W 30 any %P"
 3664:     pack $fullName.msg $fullName.entry -side left
 3665: 
 3666:     trace variable gPrintSelection(studentNumber) w \
 3667: 	"global gPrintSelection; set gPrintSelection(type) printSpecific ;#"
 3668:     trace variable gPrintSelection(studentName) w \
 3669: 	"global gPrintSelection; set gPrintSelection(type) printSpecific ;#"
 3670: 
 3671: #    puts "trace info:[trace vinfo gPrintSelection(studentNumber)]"
 3672: 
 3673:     bind $studentNumber.entry <KeyPress-Return> \
 3674: 	"fillInStudent gPrintSelection(studentName) gPrintSelection(studentNumber) 0"
 3675:     bind $fullName.entry <KeyPress-Return> \
 3676: 	"fillInStudent gPrintSelection(studentName) gPrintSelection(studentNumber) 1"
 3677: 
 3678: 
 3679:     #Disable the entry boxes that are not selected, and enable the 
 3680:     #ones that are
 3681: #    $specificFrame.specific configure -command "
 3682: #           $studentNumber.entry configure -state normal
 3683: #           $fullName.entry configure -state normal"
 3684: #    $randomFrame.random configure -command "
 3685: #           $studentNumber.entry configure -state disabled
 3686: #           $fullName.entry configure -state disabled"    
 3687: 
 3688:     #If the window had been called up before we need to check the state
 3689:     #of the variable and disable/enable the correct enry boxes
 3690: #    if { $gPrintSelection(type) == "printSpecific" } {
 3691: #	   $studentNumber.entry configure -state normal
 3692: #           $fullName.entry configure -state normal
 3693: #    } 
 3694: #    if { $gPrintSelection(type) == "printRandom" } {
 3695: #           $studentNumber.entry configure -state disabled
 3696: #           $fullName.entry configure -state disabled
 3697: #    } 
 3698:     
 3699:     Centre_Dialog $print default
 3700: }
 3701: 
 3702: proc selectedPrintMethod {} {
 3703:     global gStopPrinting gPrintSelection gStudentSelection
 3704:     
 3705:     switch $gPrintSelection(type) {
 3706: 	printSpecific {
 3707: 	    if { $gPrintSelection(studentNumber) == "" } {
 3708: 		displayError "You must specify a student number."
 3709: 		return
 3710: 	    }
 3711: 	}
 3712: 	printSection {
 3713: 	    if { $gPrintSelection(section)== "" } {
 3714: 		displayError "You must specify a section."
 3715: 		return
 3716: 	    }
 3717: 	}
 3718: 	default {}
 3719:     }
 3720: 	
 3721:     destroy .print
 3722:     removeWindowEntry Print
 3723:     [set gPrintSelection(type)]
 3724:     set gStopPrinting 0 
 3725: }
 3726: 
 3727: ###########################################################
 3728: # createCreateDviWin
 3729: ###########################################################
 3730: ###########################################################
 3731: ###########################################################
 3732: proc createCreateDviWin {} { 
 3733:     global gWindowMenu gFile gCreateDviText
 3734:     if { ![winfo exists .createDvi] } {
 3735: 	set createDviWindow [toplevel .createDvi]
 3736: 	$gWindowMenu add command -label "CreateDvi" -command \
 3737: 		"capaRaise $createDviWindow"
 3738: 	wm title $createDviWindow "LaTeX Output"
 3739: 
 3740: 	set windowFrame [frame $createDviWindow.windowFrame]
 3741: 	set buttonFrame [frame $createDviWindow.buttonFrame]
 3742: 	
 3743: 	pack $windowFrame $buttonFrame -side bottom
 3744: 	pack configure $windowFrame -expand true -fill both
 3745: 	pack configure $buttonFrame -anchor e
 3746: 
 3747: 	scrollbar $windowFrame.scroll -orient vertical -command \
 3748: 		"$windowFrame.text yview"
 3749: 	set gCreateDviText [text $windowFrame.text -yscrollcommand \
 3750: 		"$windowFrame.scroll set" -wrap char -height 40]
 3751: 	
 3752: 	pack $windowFrame.scroll $gCreateDviText -side left -expand 0
 3753: 	pack configure $windowFrame.scroll -expand 0 -fill y
 3754: 	pack configure $gCreateDviText -expand true -fill both
 3755: 	
 3756: 	set appearingFrame [frame $buttonFrame.appearingFrame]
 3757: 	button $buttonFrame.ok -text Dismiss -command \
 3758: 	    "checkDestroyPrint $createDviWindow"
 3759: 	wm protocol $createDviWindow WM_DELETE_WINDOW \
 3760: 	    "checkDestroyPrint $createDviWindow"
 3761: 	pack $appearingFrame $buttonFrame.ok -side left
 3762: 
 3763: 	button $appearingFrame.stop -text "Stop Creating Print Jobs"\
 3764: 		-command "stopPrinting"
 3765: 	set name [file rootname [file tail $gFile ] ].dvi
 3766: 	button $appearingFrame.print -text \
 3767: 		"Save.dvi file to $name" \
 3768: 		-command saveDvi
 3769: 	trace variable gFile w updateCreateDvi
 3770: 
 3771: 	pack $appearingFrame.stop $appearingFrame.print -side left
 3772: 	pack forget $appearingFrame.print
 3773: 
 3774: 	Centre_Dialog $createDviWindow default
 3775: 	update
 3776:     } else {
 3777: 	pack forget .createDvi.buttonFrame.appearingFrame.print
 3778: 	pack .createDvi.buttonFrame.appearingFrame.stop
 3779:     }
 3780: }
 3781: 
 3782: ###########################################################
 3783: # printBody
 3784: ###########################################################
 3785: # sends the file quiztemp.ps to the printer through lpr using
 3786: # the option foud in gLprCommand
 3787: ###########################################################
 3788: # Arguments: none
 3789: # Returns: Nothing
 3790: # Globals: gCapaConfig -
 3791: #          gStopPrinting -
 3792: # Files: quiztemp.ps - file containg info to print (removed)
 3793: ###########################################################
 3794: proc printBodon(section
 3795: ionMessage 1 } } {
 3796:     global gCapaConfig gStopPrinting gDonePrinting
 3797: 
 3798:     set errorMsg ""
 3799:     set error [ catch {exec $gCapaConfig(dvips_command) quiztemp.dvi \
 3800: 	    -o quiztemp.ps >& /dev/null} errorMsg ]
 3801:     if { $error } {
 3802: 	displayError \
 3803: 		"When attempting to run dvips an error occured : $errorMsg"
 3804: 	return 1
 3805:     }
 3806: 
 3807:     if { $gStopPrinting } {
 3808: 	displayMessage "Printing has been stopped."
 3809: 	set gStopPrinting 0
 3810: 	set gDonePrinting 1
 3811: 	return 1
 3812:     }
 3813: 
 3814:     set errorMsg
 3815:     set error [catch {set returnMessage [eval "exec $lprCommand"] } errorMsg ]
 3816:     
 3817:     if { $error == 1 } {
 3818:         displayError "When attempting to print an error occured : $errorMsg"
 3819: 	return 1
 3820:     } else {
 3821: 	if { $showCompletionMessage } {
 3822: 	    displayMessage "Print job sent to the printer.\n $returnMessage"
 3823: 	}
 3824:     }
 3825:     
 3826:     return 0
 3827: }
 3828: 
 3829: 
 3830: 
 3831: ###########################################################
 3832: ###########################################################
 3833: ###########################################################
 3834: ###########################################################
 3835: proc printCurrentDvi {} {
 3836: 
 3837:     set lprCommand [getLprCommand quiztemp.ps]
 3838: 
 3839:     if {$lprCommand == ""} { 
 3840: 	displayError "You must at least specify a print queue for lpr. \
 3841: 		Nothing printed."
 3842: 	return 
 3843:     }
 3844: 
 3845:     if {$lprCommand == "Cancel"} { 
 3846: 	return
 3847:     }
 3848:     
 3849:     printBody $lprCommand
 3850:     
 3851:     return 0
 3852: }
 3853: 
 3854: ###########################################################
 3855: ###########################################################
 3856: ###########################################################
 3857: ###########################################################
 3858: proc printCurrentPreview {} {
 3859: 
 3860:     set lprCommand [getLprCommand quiztemp.ps]
 3861: 
 3862:     if {$lprCommand == ""} { 
 3863: 	displayError "You must at least specify a print queue for lpr. \
 3864: 		Nothing printed."
 3865: 	return 
 3866:     }
 3867: 
 3868:     if {$lprCommand == "Cancel"} { 
 3869: 	return
 3870:     }
 3871: 
 3872:     if { [createDvi 0] == 2 } {
 3873: 	displayMessage "Printing has been stopped"
 3874:     }
 3875: 
 3876:     printBody $lprCommand
 3877: 
 3878:     return 0
 3879: }
 3880: 
 3881: ###########################################################
 3882: ###########################################################
 3883: ###########################################################
 3884: ###########################################################
 3885: proc printRandom {} {
 3886:     global gStudentSelection gPrintSelection
 3887:     
 3888:     set lprCommand [getLprCommand quiztemp.ps]
 3889: 
 3890:     if {$lprCommand == ""} { 
 3891: 	displayError "You must at least specify a print queue for lpr. \
 3892: 		Nothing printed."
 3893: 	return 
 3894:     }
 3895: 
 3896:     if {$lprCommand == "Cancel"} { 
 3897: 	return
 3898:     }
 3899: 
 3900:     set type $gStudentSelection(type)
 3901:     set random $gStudentSelection(random)
 3902: 
 3903:     set gStudentSelection(type) Random
 3904:     set gStudentSelection(random) $gPrintSelection(random)
 3905: 
 3906:     if { [createDvi 0 1] == 2 } {
 3907: 	displayMessage "Printing has been stopped"
 3908:     }
 3909: 
 3910:     printBody $lprCommand
 3911: 
 3912:     set gStudentSelection(type) $type
 3913:     set gStudentSelection(random) $random
 3914:     
 3915:     return 0
 3916: }
 3917: 
 3918: ###########################################################
 3919: ###########################################################
 3920: ###########################################################
 3921: ###########################################################
 3922: proc printSpecific {} {
 3923:     global gStudentSelection gPrintSelection
 3924:     
 3925:     set lprCommand [getLprCommand quiztemp.ps]
 3926: 
 3927:     if {$lprCommand == ""} { 
 3928: 	displayError "You must at least specify a print queue for lpr. \
 3929: 		Nothing printed."
 3930: 	return 
 3931:     }
 3932: 
 3933:     if {$lprCommand == "Cancel"} { 
 3934: 	return
 3935:     }
 3936: 
 3937:     set type $gStudentSelection(type)
 3938:     set studentNumber $gStudentSelection(studentNumber)
 3939: 
 3940:     set gStudentSelection(type) Specific
 3941:     set gStudentSelection(studentNumber) $gPrintSelection(studentNumber)
 3942: 
 3943:     if { [createDvi 0 1 1] == 2 } {
 3944: 	displayMessage "Printing has been stopped"
 3945:     }
 3946: 
 3947:     printBody $lprCommand
 3948: 
 3949:     set gStudentSelection(type) $type
 3950:     set gStudentSelection(studentNumber) $studentNumber
 3951:     
 3952:     return 0
 3953: }
 3954: 
 3955: ###########################################################
 3956: ###########################################################
 3957: ###########################################################
 3958: ###########################################################
 3959: proc printStudent { studentNumber } {
 3960:     global gStudentSelection gStopPrinting gDonePrinting
 3961:     
 3962:     set type $gStudentSelection(type)
 3963:     set studentNumberOld $gStudentSelection(studentNumber)
 3964: 
 3965:     set gStudentSelection(type) Specific
 3966:     set gStudentSelection(studentNumber) $studentNumber
 3967: 
 3968:     set createdDvi [createDvi 0 1]
 3969: 
 3970:     if { $createdDvi == 1 } { printBody } else { 
 3971: 	displayMessage "Printing has been stopped"
 3972: 	set gStopPrinting 0
 3973: 	set gDonePrinting 1
 3974:     }
 3975:     
 3976:     set gStudentSelection(type) $type
 3977:     set gStudentSelection(studentNumber) $studentNumberOld
 3978: 
 3979:     return 0
 3980: }
 3981: 
 3982: proc checkDestroyPrint { createDviWindow } {
 3983:     global gDonePrinting
 3984:     if { !$gDonePrinting } {
 3985: 	if { [makeSure "Do you really wish to stop printing?"] == "Yes" } {
 3986: 	    global gStopPrinting 
 3987: 	    set gStopPrinting 1
 3988: 	    after 1000 "destroyPrint $createDviWindow"
 3989: 	}
 3990: 	return
 3991:     }
 3992:     destroyPrint $createDviWindow
 3993: }
 3994: 
 3995: proc destroyPrint { createDviWindow } {
 3996:     trace vdelete gFile w updateCreateDvi
 3997:     destroy $createDviWindow
 3998:     removeWindowEntry CreateDvi
 3999: }
 4000: 
 4001: ###########################################################
 4002: ###########################################################
 4003: ###########################################################
 4004: ###########################################################
 4005: proc setupSetsToPrint { setVar startVar endVar {checkForHeader 1}} {
 4006:     global gPrintSelection gSetNumberText gLoadHeaderSet 
 4007:     upvar $setVar set $startVar start $endVar end
 4008:     if { $gPrintSelection(sets) == "printRange" } {
 4009: 	set start $gPrintSelection(setstart)
 4010: 	set end $gPrintSelection(setend)
 4011: 	set set "$start:$end"
 4012: 	set errors ""
 4013: 	for {set i $start}  {$i <= $end} {incr i} {
 4014: 	    set gLoadHeaderSet $i
 4015: 	    if {[catch {getHeaderInfo}]} { append errors ", $i" }
 4016: 	}
 4017: 	if { $checkForHeader && $errors != "" } {
 4018: 	    set errors [string range $errors 1 end]
 4019: 	    if { [llength $errors] > 1 } { 
 4020: 		set errors "s$errors" 
 4021: 		set errors [linsert $errors [expr [llength $errors] - 1] and]
 4022: 	    }
 4023: 	    displayError "DB header has not yet been set for set$errors. Please set the DB Header before printing Sections."
 4024: 	    return 1
 4025: 	}
 4026:     } else {
 4027: 	set start [set end [set set $gSetNumberText]]
 4028: 	set gLoadHeaderSet $gSetNumberText
 4029: 	if {$checkForHeader && [catch {getHeaderInfo}]} {
 4030: 	    displayError "DB header has not yet been set. Please set the DB Header before printing Sections."
 4031: 	    return 1
 4032: 	}
 4033:     }
 4034: }
 4035: 
 4036: ###########################################################
 4037: ###########################################################
 4038: ###########################################################
 4039: ###########################################################
 4040: proc printSection { { lprCommand "" } } {
 4041:     global gPrintSelection gCapaConfig gSetNumberText gWindowMenu \
 4042: 	gCreateDviText gStopPrinting gPrefs gFile gDonePrinting \
 4043: 	gLoadHeaderSet
 4044: 
 4045:     set gDonePrinting 0
 4046:     set showStopping 0
 4047: 
 4048:     if { [setupSetsToPrint set start end] == 1 } { return 1}
 4049:     if { $lprCommand == "" } {
 4050: 	set showStopping 1
 4051: 	set lprCommand [getLprCommand quiztemp.ps]
 4052: 	if { $lprCommand == "" } {
 4053: 	    displayError "Print command was empty, unable to print."
 4054: 	    return 1
 4055: 	}
 4056: 	if {$lprCommand == "Cancel" } {
 4057: 	    return 1
 4058: 	}
 4059:     }
 4060: 
 4061:     createCreateDviWin
 4062:     
 4063:     grab .createDvi
 4064: 
 4065:     $gCreateDviText delete 0.0 end
 4066: 
 4067:     switch $gPrefs(info) {
 4068: 	Problem	{ set type "-T" }
 4069: 	Answer	{ set type "-Ta" }
 4070: 	ProblemAnswer { set type "-Tb" }
 4071: 	default	{ set type "-T"	}
 4072:     }
 4073: 
 4074:     set prSection [string trimleft $gPrintSelection(section) 0]
 4075: 
 4076:     if { [set gStopPrinting [expr 2 == [runLatex \
 4077: 	    "echo [pwd] | $gCapaConfig(qzparse_command) \
 4078: 	    -sec $prSection -set $set \
 4079: 	    -d [pwd] -c [pwd] $type " gCreateDviText] ] ] } {
 4080: 	for {set i $start} { $i <= $end} { incr i } {
 4081: 	    exec rm -f section$prSection-set$i.tex 
 4082: 	}
 4083: 	if {$showStopping} {
 4084: 	    displayMessage "Printing has been stopped."
 4085: 	    set gDonePrinting 1
 4086: 	    set gStopPrinting 0
 4087: 	}
 4088: 	return 1
 4089:     }
 4090:     if { $gStopPrinting } {
 4091: 	displayMessage "Printing has been stopped."
 4092: 	set gDonePrinting 1
 4093: 	set gStopPrinting 0
 4094: 	return 1
 4095:     }
 4096: 
 4097:     for { set i $start} { $i <= $end } { incr i } {
 4098: 	if { ! [file exists section$prSection-set$i.tex] } {
 4099: 	    if {$showStopping} {
 4100: 		displayError "The qzparse command: $gCapaConfig(qzparse_command), was unable to produce the expected output. Printing stopped"
 4101: 		set gStopPrinting 0
 4102: 		set gDonePrinting 1
 4103: 	    }
 4104: 	    return 2
 4105: 	}
 4106: 	
 4107: 	exec mv section$prSection-set$i.tex quiztemp.tex
 4108: 	exec /bin/rm -f quiztemp.dvi 
 4109: 
 4110: 	$gCreateDviText insert end "$gCapaConfig(latex_command)\n"
 4111: 	$gCreateDviText see end 
 4112: 	
 4113: 	if { [set gStopPrinting [ expr 2 == [runLatex \
 4114: 	    "pwd ; $gCapaConfig(latex_command) \
 4115: 	    quiztemp.tex < [file join / dev null ]" gCreateDviText ] ] ] } {
 4116: 	    if {$showStopping} {
 4117: 		displayError "The LaTeX command: $gCapaConfig(latex_command), was unable to produce the expected output. Printing stopped"
 4118: 		set gStopPrinting 0
 4119: 		set gDonePrinting 1
 4120: 	    }
 4121: 	    return 1
 4122: 	}
 4123: 
 4124: 	if { $gStopPrinting } {
 4125: 	    displayMessage "Printing has been stopped."
 4126: 	    set gDonePrinting 1
 4127: 	    set gStopPrinting 0
 4128: 	    return 1
 4129: 	}
 4130: 
 4131: 	set a [expr ($showStopping) && ($end == $i)]
 4132: 	if { [set gStopPrinting [printBody $lprCommand $a ] ] } {
 4133: 	    if {$showStopping} {
 4134: 		displayMessage "Printing has been stopped."
 4135: 		set gDonePrinting 1
 4136: 		set gStopPrinting 0
 4137: 	    }
 4138: 	    return 1
 4139: 	}
 4140: 	if { $gStopPrinting } {
 4141: 	    displayMessage "Printing has been stopped."
 4142: 	    set gDonePrinting 1
 4143: 	    set gStopPrinting 0
 4144: 	    return 1
 4145: 	}
 4146:     }
 4147: 
 4148:     set gDonePrinting 1
 4149:     return 0
 4150: }
 4151: 
 4152: ###########################################################
 4153: ###########################################################
 4154: ###########################################################
 4155: ###########################################################
 4156: proc printMultipleSections { } {
 4157:     global gPrintSelection gCapaConfig gSetNumberText gWindowMenu \
 4158: 	    gCreateDviText gStopPrinting gPrefs gDonePrinting
 4159:     
 4160:     #checks if the DB Header is set
 4161:     if { [setupSetsToPrint set start end] == 1 } { return 1}
 4162: 
 4163:     set sectionList [ getExistingSections ]
 4164:     set sectionsToPrint [ pickSections $sectionList "Select Sections to Print:" ]
 4165: 
 4166:     if { $sectionsToPrint == "" } {
 4167: 	displayMessage "No sections selected, therefore nothing was printed."
 4168: 	return 1
 4169:     }
 4170:     if { $sectionsToPrint == "Cancel" } {
 4171: 	return 1
 4172:     }
 4173: 
 4174:     set lprCommand [getLprCommand quiztemp.ps]
 4175:     if { $lprCommand == "" } {
 4176: 	displayError "Print command was empty, unable to print."
 4177: 	return 1
 4178:     }
 4179:     if {$lprCommand == "Cancel" } {
 4180: 	return 1
 4181:     }
 4182: 
 4183:     if { [makeSure "You have selected to print $gPrefs(info)s for sections: [string trim $sectionsToPrint], using the print command \"$lprCommand\", continue?"] == "Cancel" } {
 4184: 	return 1
 4185:     }
 4186: 
 4187:     foreach section $sectionsToPrint {
 4188: 	set gDonePrinting 0
 4189: 	set gPrintSelection(section) $section
 4190: 	if { [set gStopPrinting [printSection $lprCommand] ] } {
 4191: 	    set gDonePrinting 0
 4192: 	    if { $gStopPrinting == 2 } {
 4193: 		displayError "The qzparse command: $gCapaConfig(qzparse_command), was unable to produce the expected output. Printing stopped"
 4194: 	    } else {
 4195: 		displayMessage "Printing has been stopped."
 4196: 	    }
 4197: 	    set gDonePrinting 1
 4198: 	    return 1
 4199: 	}
 4200: 	if { $gStopPrinting } {
 4201: 	    displayMessage "Printing has been stopped."
 4202: 	    set gStopPrinting 0
 4203: 	    set gDonePrinting 1
 4204: 	    return 1
 4205: 	}
 4206:     }
 4207:     set gDonePrinting 1
 4208:     displayMessage "Print jobs sent to the printer."
 4209:     return 0
 4210: }
 4211: 
 4212: ###########################################################
 4213: ###########################################################
 4214: ###########################################################
 4215: ###########################################################
 4216: proc printWholeClass { } {
 4217:     global gPrintSelection gCapaConfig gSetNumberText gWindowMenu \
 4218: 	    gCreateDviText gStopPrinting gPrefs gDonePrinting
 4219:     
 4220:     if {[catch {getHeaderInfo}]} {
 4221: 	displayError "DB header has not yet been set, Please set DB Header before printing Sections."
 4222: 	return 1
 4223:     }
 4224:     set sectionsToPrint [ getExistingSections ]
 4225: 
 4226:     if { $sectionsToPrint == "" } {
 4227: 	displayMessage "No sections exist, therefore nothing was printed."
 4228: 	return 1
 4229:     }
 4230: 
 4231:     set lprCommand [getLprCommand quiztemp.ps]
 4232: 
 4233:     if { $lprCommand == "" } {
 4234: 	displayError "Print command was empty, unable to print."
 4235: 	return 1
 4236:     }
 4237:     if {$lprCommand == "Cancel" } {
 4238: 	return 1
 4239:     }
 4240: 
 4241:     if { [makeSure "You have selected to print $gPrefs(info)s for the entire class of [llength $sectionsToPrint] sections, using the print command $lprCommand, continue?"] == "Cancel" } {
 4242: 	return 1
 4243:     }
 4244: 
 4245:     foreach section $sectionsToPrint {
 4246: 	set section [lindex $section 0]
 4247: 	set gPrintSelection(section) $section
 4248: 	set gStopPrinting [printSection $lprCommand]
 4249: 	if { $gStopPrinting } {
 4250: 	    if { $gStopPrinting == 2 } {
 4251: 		displayError "$gCapaConfig(qzparse_command) was unable to produce the expected output. Printing stopped"
 4252: 	    } else {
 4253: 		displayMessage "Printing has been stopped."
 4254: 	    }
 4255: 	    set gDonePrinting 1
 4256: 	    set gStopPrinting 0
 4257: 	    return 1
 4258: 	}
 4259:     }
 4260:     set gDonePrinting 1
 4261:     displayMessage "Print jobs sent to the printer."
 4262:     return 0
 4263: }
 4264: 
 4265: ###########################################################
 4266: # analyzeSet
 4267: ###########################################################
 4268: ###########################################################
 4269: ###########################################################
 4270: proc analyzeSet {} {
 4271:     global gChanged gWindowMenu gEditWindow gAnalyze gSetNumberText gNumberParsedText
 4272: 
 4273:     if { [catch {winfo exists $gEditWindow}] } { return }
 4274:     if { ![ winfo exists $gEditWindow ] } { return }
 4275:     if { $gChanged } { if { [askToSave 0 0] == "Cancel" } { return } }
 4276:     if { [winfo exists .analyzeSet] } { 
 4277: 	capaRaise .analyzeSet
 4278: 	return
 4279:     }
 4280: 
 4281:     set analyze [toplevel .analyzeSet]
 4282:     $gWindowMenu add command -label "AnalyzeSet" \
 4283: 	    -command "capaRaise $analyze"
 4284:     wm title $analyze "Analyze Set"
 4285:     
 4286:     set settingsFrame [frame $analyze.settingsFrame]
 4287:     set dataFrame [frame $analyze.dataFrame]
 4288:     pack $settingsFrame $dataFrame -side top
 4289: 
 4290:     set classFrame [frame $settingsFrame.classFrame]
 4291:     set setFrame [frame $settingsFrame.setFrame]
 4292:     set probFrame [frame $settingsFrame.probFrame]
 4293:     set statusFrame [frame $settingsFrame.statusFrame]
 4294:     set statusBar [frame $settingsFrame.statusBar]
 4295:     set buttonFrame [frame $settingsFrame.buttonFrame]
 4296:     pack $classFrame $setFrame $probFrame $statusFrame $statusBar $buttonFrame \
 4297: 	-side top
 4298:     
 4299:     set canvasFrame [frame $dataFrame.canvasFrame]
 4300:     set numberFrame [frame $dataFrame.numberFrame]
 4301:     pack $canvasFrame $numberFrame -side top
 4302: 
 4303:     set gAnalyze(class) [pwd]
 4304:     label $classFrame.label -textvariable gAnalyze(class)
 4305:     pack $classFrame.label
 4306:     
 4307:     set gAnalyze(set) $gSetNumberText
 4308:     label $setFrame.lbl -text "Set number:"
 4309:     label $setFrame.set -textvariable gAnalyze(set)
 4310: #    button $setFrame.change -text "Change" -command analyzeChangeSet
 4311:     pack $setFrame.lbl $setFrame.set -side left
 4312: 
 4313:     if { [set gAnalyze(maxprob) $gNumberParsedText] == "" } { set gAnalyze(maxprob) 1 }
 4314:     
 4315:     label $probFrame.label -text "Problem Number :"
 4316:     set gAnalyze(scale) [scale $probFrame.problem \
 4317: 			     -from 1 -to $gAnalyze(maxprob) \
 4318: 			     -variable gAnalyze(prob) -command analyzeUpdate \
 4319: 			     -orient h -length 150 -tickinterval 1]
 4320:     pack $probFrame.label $probFrame.problem -side left
 4321: 
 4322:     set gAnalyze(status) ""
 4323:     label $statusFrame.label -text "Status:" 
 4324:     label $statusFrame.status -textvariable gAnalyze(status)
 4325:     pack $statusFrame.label $statusFrame.status -side left
 4326: 
 4327:     set gAnalyze(statcanvas) [canvas $statusBar.canvas -width 200 -height 20]
 4328:     pack $statusBar.canvas
 4329:     $gAnalyze(statcanvas) create rectangle 1 1 199 19 -outline black
 4330:     set gAnalyze(bar) [$gAnalyze(statcanvas) create rectangle 1 1 1 19 -fill red -outline black]
 4331: 
 4332:     button $buttonFrame.class -text "Run Class" -command "analyzeClass 1"
 4333:     button $buttonFrame.random -text "Run Random" -command analyzeRandom
 4334:     button $buttonFrame.stop -text "Stop" -command analyzeStop
 4335:     button $buttonFrame.close -text "Dismiss" -comman analyzeClose
 4336:     pack $buttonFrame.class $buttonFrame.random $buttonFrame.stop \
 4337: 	$buttonFrame.close -side left
 4338:     
 4339:     set gAnalyze(canvaswidth) 600
 4340:     set gAnalyze(canvas) [canvas $canvasFrame.canvas -width $gAnalyze(canvaswidth) \
 4341: 			      -height 100]
 4342:     pack $gAnalyze(canvas)
 4343:     
 4344:     set hiFrame [frame $numberFrame.hiFrame]
 4345:     set lowFrame [frame $numberFrame.lowFrame]
 4346:     set uniqFrame [frame $numberFrame.uniqFrame]
 4347:     pack $lowFrame $hiFrame $uniqFrame -side left
 4348:     pack configure $hiFrame -anchor e
 4349:     pack configure $lowFrame -anchor w
 4350: 
 4351:     label $hiFrame.label -text "High End:"
 4352:     label $hiFrame.num -textvariable gAnalyze(highnum)
 4353:     pack $hiFrame.label $hiFrame.num -side left
 4354: 
 4355:     label $lowFrame.label -text "Low End:"
 4356:     label $lowFrame.num -textvariable gAnalyze(lownum)
 4357:     pack $lowFrame.label $lowFrame.num -side left
 4358: 
 4359:     label $uniqFrame.label -text "Num. Unique:"
 4360:     label $uniqFrame.num -textvariable gAnalyze(numuniq)
 4361:     pack $uniqFrame.label $uniqFrame.num -side left
 4362: 
 4363:     set gAnalyze(studentNumbers) [getStudentNumbers]
 4364:     set gAnalyze(exit) 0
 4365: }
 4366: 
 4367: ###########################################################
 4368: # analyzeClass
 4369: ###########################################################
 4370: ###########################################################
 4371: ###########################################################
 4372: proc analyzeClass { {start 1} } {
 4373:     global gAnalyze gCapaConfig
 4374:     if { $gAnalyze(studentNumbers)=="" } { return }
 4375:     if { $start } { 
 4376: 	set gAnalyze(toprocess) $gAnalyze(studentNumbers) 
 4377: 	set gAnalyze(stop) 0
 4378: 	set gAnalyze(update) 1
 4379: 	set gAnalyze(done) 0
 4380: 	set gAnalyze(total) [expr [llength $gAnalyze(toprocess)]/3]
 4381: 	foreach name [array names gAnalyze *.\[alhu\]*] { unset gAnalyze($name) }
 4382:     }
 4383:     set number [lindex $gAnalyze(toprocess) 0]
 4384:     set name [lindex $gAnalyze(toprocess) 1]
 4385:     set section [lindex $gAnalyze(toprocess) 2]
 4386:     set gAnalyze(toprocess) [lrange $gAnalyze(toprocess) 3 end]
 4387:     set command "$gCapaConfig(answers_command) $number \"$name\" $section $gAnalyze(set)"
 4388:     set fileId [open "|$command" "r"]
 4389:     set gAnalyze(pid) [pid $fileId]
 4390:     fconfigure $fileId -blocking 0
 4391:     fileevent $fileId readable "analyzeLine $fileId"
 4392:     set gAnalyze(status) "Processing $number"
 4393:     incr gAnalyze(done)
 4394:     $gAnalyze(statcanvas) coords $gAnalyze(bar) 1 1 [expr 200*($gAnalyze(done)/double($gAnalyze(total)))] 19
 4395:     update idletasks
 4396: }
 4397: 
 4398: ###########################################################
 4399: # analyzeEatQuestion
 4400: ###########################################################
 4401: ###########################################################
 4402: ###########################################################
 4403: proc analyzeEatQuestion { fileId } {
 4404:     global gAnalyze 
 4405:     if { $gAnalyze(exit) } { 
 4406: 	fileevent $fileId readable ""
 4407: 	catch {close $fileId}
 4408: 	return
 4409:     }
 4410:     set aline [gets $fileId]
 4411:     if { $aline != "" } {
 4412: 	switch -- [lindex [split $aline :] 0] {
 4413: 	    EQES { fileevent $fileId readable "analyzeLine $fileId" }
 4414: 	}
 4415:     }
 4416:     if { [eof $fileId] } { analyzeEnd $fileId }
 4417: }
 4418: 
 4419: ###########################################################
 4420: # analyzeLine
 4421: ###########################################################
 4422: ###########################################################
 4423: ###########################################################
 4424: proc analyzeLine { fileId } {
 4425:     global gAnalyze 
 4426:     
 4427:     if { $gAnalyze(exit) } { 
 4428: 	fileevent $fileId readable ""
 4429: 	catch {close $fileId}
 4430: 	return
 4431:     }
 4432:     set aline [gets $fileId]
 4433:     if { $aline != "" } {
 4434: 	switch [lindex [split $aline :] 0] {
 4435: 	    ANS { 
 4436: 		incr gAnalyze(problemNum)
 4437: 		set ans [string range $aline 4 end]
 4438: 		set length [llength $ans]
 4439: 		lappend gAnalyze($gAnalyze(problemNum).ans) \
 4440: 		    [lindex $ans 0]
 4441: 		if { ($length == 2) || ($length == 4)} {
 4442: 		    lappend gAnalyze($gAnalyze(problemNum).unit) \
 4443: 			[lindex $ans end]
 4444: 		} 
 4445: 		if { ($length == 3) || ($length == 4) } {
 4446: 		    lappend gAnalyze($gAnalyze(problemNum).low) \
 4447: 			[lindex $ans 1]
 4448: 		    lappend gAnalyze($gAnalyze(problemNum).high) \
 4449: 			[lindex $ans 2]
 4450: 		}
 4451: 	    }
 4452: 	    SET { set gAnalyze(problemNum) 0 }
 4453: 	    DONE { 
 4454: 		set gAnalyze(maxprob) $gAnalyze(problemNum)
 4455: 		$gAnalyze(scale) configure -to $gAnalyze(maxprob)
 4456: 	    }
 4457: 	    ERROR {
 4458:  		fileevent $fileId readable ""
 4459: 		displayError "Answers returned invalid message: $aline" 
 4460: 		fileevent $fileId readable "analyzeLine $fileId"
 4461: 	    }
 4462: 	    BQES { fileevent $fileId readable "analyzeEatQuestion $fileId" }
 4463: 	    default {
 4464: 	    }
 4465: 	}
 4466:     }
 4467:     if { [eof $fileId] } { analyzeEnd $fileId }
 4468: }
 4469: 
 4470: ###########################################################
 4471: # analyzeEnd
 4472: ###########################################################
 4473: ###########################################################
 4474: ###########################################################
 4475: proc analyzeEnd { fileId } {
 4476:     global gAnalyze
 4477:     if { [eof $fileId] } {
 4478: 	fileevent $fileId readable ""
 4479: 	catch {close $fileId}
 4480: 	if { $gAnalyze(stop) } { return }
 4481: 	if { [llength $gAnalyze(toprocess)] > 0 } { 
 4482: 	    analyzeClass 0 
 4483: 	} else {
 4484: 	    analyzeUpdate
 4485: 	    set gAnalyze(status) "Done"
 4486: 	}
 4487: 	if { !$gAnalyze(update) } {
 4488: 	    incr gAnalyze(update) 
 4489: 	    analyzeUpdate
 4490: 	} else {
 4491:  	    incr gAnalyze(update) 
 4492: 	    if { $gAnalyze(update) == 10 } {
 4493: 		set gAnalyze(update) 0
 4494: 	    }
 4495: 	}
 4496:     }
 4497: }
 4498: 
 4499: ###########################################################
 4500: # analyzeRandom
 4501: ###########################################################
 4502: ###########################################################
 4503: ###########################################################
 4504: proc analyzeRandom { } {
 4505:     global gAnalyze
 4506:     set numToRun [getString . "How many random students should be run?"]
 4507:     if { $numToRun == "" } { return }
 4508:     if { [catch {incr numToRun} ] } {
 4509: 	displayMessage "Invalid number."
 4510:     }
 4511:     incr numToRun -1
 4512:     set gAnalyze(total) $numToRun
 4513:     catch {unset gAnalyze(toprocess)}
 4514:     for { set i 0 } { $i < $numToRun } { incr i } {
 4515: 	append gAnalyze(toprocess) "[format "%09d" $i] Random 999 "
 4516:     }
 4517:     set gAnalyze(stop) 0
 4518:     set gAnalyze(update) 1
 4519:     set gAnalyze(done) 0
 4520:     foreach name [array names gAnalyze *.\[alhu\]*] { unset gAnalyze($name) }    
 4521:     analyzeClass 0
 4522: }
 4523: 
 4524: ###########################################################
 4525: # analyzeStrings
 4526: ###########################################################
 4527: ###########################################################
 4528: ###########################################################
 4529: proc analyzeStrings { prob window create} {
 4530:     global gAnalyze
 4531: 
 4532:     if { ![winfo exists $window.analyzestrings] } { if {!$create} { return } }
 4533:     if { ![catch {set setWin [toplevel $window.analyzestrings]}] } {
 4534: 	set msgFrame [frame $setWin.msgFrame]
 4535: 	set valFrame [frame $setWin.valFrame]
 4536: 	set buttonFrame [frame $setWin.buttonFrame]
 4537: 	pack $msgFrame $valFrame $buttonFrame
 4538: 	pack configure $valFrame -expand 1 -fill both
 4539: 	
 4540: 	message $msgFrame.msg -text "Correct Answers" -aspect 3000
 4541: 	pack $msgFrame.msg
 4542: 	
 4543: 	set maxWidth 1
 4544: 	foreach choice $gAnalyze($prob.ans) {
 4545: 	    if {[string length $choice]>$maxWidth} {set maxWidth [string length $choice]}
 4546: 	}
 4547: 	set maxStringWidth $maxWidth
 4548: 	incr maxWidth 6
 4549: 
 4550: 	set selectMode none
 4551: 	listbox $valFrame.val -width [expr $maxWidth + 2] \
 4552: 	    -yscrollcommand "$valFrame.scroll set" -selectmode $selectMode
 4553: 	scrollbar $valFrame.scroll -command "$valFrame.val yview"
 4554: 	pack $valFrame.val $valFrame.scroll -side left
 4555: 	pack configure $valFrame.val -expand 1 -fill both 
 4556: 	pack configure $valFrame.scroll -expand 0 -fill y
 4557: 	button $buttonFrame.cancel -text "Dismiss" -command "destroy $setWin"
 4558: 	pack $buttonFrame.cancel
 4559:     } else {
 4560: 	set maxWidth 1
 4561: 	set valFrame $window.analyzestrings.valFrame
 4562: 	$valFrame.val delete 0 end
 4563: 	foreach choice $gAnalyze($prob.ans) {
 4564: 	    if {[string length $choice]>$maxWidth} {set maxWidth [string length $choice]}
 4565: 	}
 4566: 	set maxStringWidth $maxWidth
 4567: 	incr maxWidth 6
 4568:     }
 4569:     set lastchoice [lindex $gAnalyze($gAnalyze(prob).ans) 0]
 4570:     set num 1
 4571:     foreach choice [lsort $gAnalyze($gAnalyze(prob).ans)] {    
 4572: 	if { $lastchoice != $choice } {
 4573: 	    $valFrame.val insert end \
 4574: 		"[format %-[set maxStringWidth]s $lastchoice] [format %5d $num]"
 4575: 	    set lastchoice $choice
 4576: 	    set num 1
 4577: 	} else {
 4578: 	    incr num
 4579: 	}
 4580:     }	
 4581:     $valFrame.val insert end \
 4582: 	"[format %-[set maxStringWidth]s $lastchoice] [format %5d $num]"
 4583: }
 4584: 
 4585: ###########################################################
 4586: # analyzeUpdate
 4587: ###########################################################
 4588: ###########################################################
 4589: ###########################################################
 4590: proc analyzeUpdate { {newProbNumber 0} } {
 4591:     global gAnalyze
 4592: 
 4593:     if {[catch {set gAnalyze($gAnalyze(prob).ans)}]} { return }
 4594:     foreach problem [array names gAnalyze *.\[alh\]*] {
 4595: 	if { [catch {set gAnalyze($problem) [lsort -real $gAnalyze($problem)]}]} {
 4596: 	    set gAnalyze($problem) [lsort $gAnalyze($problem)]
 4597: 	}
 4598:     }
 4599: 
 4600:     set c $gAnalyze(canvas)
 4601:     $c delete all
 4602:     set gAnalyze(lownum) [set low [lindex $gAnalyze($gAnalyze(prob).ans) 0]]
 4603:     set gAnalyze(highnum) [set high [lindex $gAnalyze($gAnalyze(prob).ans) end]]
 4604:     set gAnalyze(numuniq) [llength [lunique $gAnalyze($gAnalyze(prob).ans)]]
 4605: #don't draw anything if the answers aren't numbers
 4606:     if { [catch {expr $low + 1}]} { 
 4607: 	catch {destroy $c.button}
 4608: 	update idletask
 4609: 	button $c.button -text "List of strings" -command \
 4610: 	    "analyzeStrings $gAnalyze(prob) $c 1"
 4611: 	$c create window [expr $gAnalyze(canvaswidth)/2.0] 40 -window $c.button
 4612: 	analyzeStrings $gAnalyze(prob) $c 0
 4613: 	return 
 4614:     }
 4615: 
 4616:     $c create line 25 50 [expr $gAnalyze(canvaswidth) - 25] 50
 4617:     set diff [expr double($high-$low)]
 4618:     if { $diff == 0 } {
 4619: 	set center [expr $gAnalyze(canvaswidth)/2.0]
 4620: 	$c create rectangle [expr $center - 2] 48 [expr $center + 2] 52 -fill green
 4621: 	update idletasks
 4622: 	return
 4623:     }
 4624:     set delta [format "%1.e" [expr ($diff)/15.0]]
 4625:     set start [expr double(int($low/$delta)+1)*$delta]
 4626:     while { $start < $high } {
 4627: 	set center [expr ($gAnalyze(canvaswidth)-50)*(($start-$low)/$diff)]
 4628: 	set center [expr $center+25]
 4629: 	$c create line $center 40 $center 60
 4630: 	set start [expr $start + $delta]
 4631:     }
 4632:     if { ($low < 0) && ($high > 0) } {
 4633: 	set center [expr ($gAnalyze(canvaswidth)-50)*((0-$low)/$diff)]
 4634: 	set center [expr $center+25]
 4635: 	$c create rectangle [expr $center - 1] 40 [expr $center + 1] 60
 4636:     }
 4637:     set lastpoint [lindex $gAnalyze($gAnalyze(prob).ans) 0]
 4638:     set num 0
 4639:     foreach point $gAnalyze($gAnalyze(prob).ans) {    
 4640: 	if { $lastpoint != $point } {
 4641: 	    set center [expr ($gAnalyze(canvaswidth)-50)*(($lastpoint-$low)/$diff)]
 4642: 	    set center [expr $center+25]
 4643: 	    $c create rectangle [expr $center - 2] [expr 48-$num] \
 4644: 		[expr $center + 2] [expr 52+$num] -fill green
 4645: 	    set lastpoint $point
 4646: 	    set num 0
 4647: 	} else {
 4648: 	    incr num
 4649: 	}
 4650:     }	
 4651:     set center [expr ($gAnalyze(canvaswidth)-50)*(($lastpoint-$low)/$diff)]
 4652:     set center [expr $center+25]
 4653:     $c create rectangle [expr $center - 2] [expr 48-$num] \
 4654: 	[expr $center + 2] [expr 52+$num] -fill green
 4655:     
 4656:     update idletasks
 4657: }
 4658: 
 4659: ###########################################################
 4660: # analyzeStop
 4661: ###########################################################
 4662: ###########################################################
 4663: ###########################################################
 4664: proc analyzeStop {} {
 4665:     global gAnalyze
 4666:     set gAnalyze(stop) 1
 4667:     set gAnalyze(status) "Stopped"
 4668:     catch {exec kill -SIGKILL $gAnalyze(pid)}
 4669: }
 4670: 
 4671: ###########################################################
 4672: # analyzeClose
 4673: ###########################################################
 4674: ###########################################################
 4675: ###########################################################
 4676: proc analyzeClose { } {
 4677:     global gAnalyze
 4678:     destroy [winfo toplevel $gAnalyze(canvas)]
 4679:     unset gAnalyze
 4680:     global gAnalyze
 4681:     set gAnalyze(exit) 1
 4682: }
 4683: 
 4684: ###########################################################
 4685: # checkIfValidFilename 
 4686: ###########################################################
 4687: ###########################################################
 4688: ###########################################################
 4689: proc checkIfValidFilename {} {
 4690:     global gSetNumberText gPreviewButton
 4691:     if { [regexp \[^0-9\]+ $gSetNumberText] } {
 4692: 	displayError "This file is not properly named. \n\nA main assignment file must be named setX.qz, where  X is replaced by a number between 1 and 99 inclusive. \n\nPlease do a \"Save .qz As\". \n\nUntil the file is properly named you will not be able to Preview, Create .dvi, or Print."
 4693: 	$gPreviewButton configure -state disabled
 4694: 	.main entryconfigure 5 -state disabled
 4695: 	.main entryconfigure 7 -state disabled
 4696: 	return 0
 4697:     }
 4698:     $gPreviewButton configure -state normal
 4699:     .main entryconfigure 5 -state normal
 4700:     .main entryconfigure 7 -state normal
 4701:     return 1
 4702: }
 4703: 
 4704: ###########################################################
 4705: # updateChangeStatus
 4706: ###########################################################
 4707: ###########################################################
 4708: ###########################################################
 4709: proc updateChangeStatus { name1 name2 op } {
 4710:     global gChanged gRefChanged gRefText gChangedLast gRefChangedLast \
 4711: 	gEditWindow gWindowMenu gRefFile
 4712:     if { $name1 == "gChanged" } {
 4713: 	if { $gChanged != $gChangedLast } {
 4714: 	    set gChangedLast $gChanged
 4715: 	    global gFile
 4716: 	    if { [catch {set gEditWindow}] } { return }
 4717: 	    if { ![winfo exists $gEditWindow] } { return }
 4718: 	    if { $gChanged } {
 4719: 		catch {removeWindowEntry "$gFile*"}
 4720: 		wm title [winfo toplevel $gEditWindow] "$gFile (Modified)"
 4721: 		$gWindowMenu add command -label "$gFile (Modified)" -command \
 4722: 		    "capaRaise $gEditWindow"
 4723: 	    } else {
 4724: 		catch {removeWindowEntry "$gFile*"}
 4725: 		wm title [winfo toplevel $gEditWindow] "$gFile"
 4726: 		$gWindowMenu add command -label "$gFile" -command \
 4727: 		    "capaRaise $gEditWindow"
 4728: 	    }
 4729: 	}
 4730:     } else {
 4731: 	if { $gRefChanged($name2) != $gRefChangedLast($name2) } {
 4732: 	    if { [catch {set gRefText($name2)}] } { return }
 4733: 	    if { ![winfo exists $gRefText($name2)] } { return }
 4734: 	    if { $gRefChanged($name2) } {
 4735: 		catch {removeWindowEntry  "Reference $gRefFile($name2)*" }
 4736: 	       wm title [winfo toplevel $gRefText($name2)] "$gRefFile($name2) (Modified)"
 4737: 		$gWindowMenu add command -label "Reference $gRefFile($name2) (Modified)" \
 4738: 		    -command "capaRaise [winfo toplevel $gRefText($name2)]"
 4739: 	    } else {
 4740: 		catch {removeWindowEntry  "Reference $gRefFile($name2)*" }
 4741: 		wm title [winfo toplevel $gRefText($name2)] "$gRefFile($name2)"
 4742: 		$gWindowMenu add command -label "Reference $gRefFile($name2)" \
 4743: 		    -command "capaRaise [winfo toplevel $gRefText($name2)]"
 4744: 	    }
 4745: 	}
 4746:     }
 4747: }
 4748: ###########################################################
 4749: # main
 4750: ###########################################################
 4751: # sets up the auto_path variable, some globals and adds some
 4752: # options then calls createControlWindow to give the user something
 4753: # to do
 4754: ###########################################################
 4755: # Arguments: None
 4756: # Returns: Nothing
 4757: # Globals:
 4758: ###########################################################
 4759: 
 4760: source quizzer.templates.tcl
 4761: 
 4762: if { [lindex $auto_path 0] == "./lib/tcl7.5" } {
 4763:     set auto_path ""
 4764:     lappend auto_path [pwd]/lib/tcl7.5
 4765:     lappend auto_path [pwd]/lib/tk4.1
 4766: }
 4767: 
 4768: lappend auto_path /usr/local/lib/CAPA45/Quizzer
 4769: lappend auto_path [pwd]
 4770: 
 4771: set font 8x13bold
 4772: catch {
 4773:     if { $argc > 0 } {
 4774: 	switch -glob -- [lindex $argv 0] {
 4775: 	    {-[Ll]*} { set font 9x15bold }
 4776: 	    {-[Mm]*} -
 4777: 	    {-[Nn]*} { set font 8x13bold }
 4778: 	    {-[Ss]*} { set font fixed }
 4779: 	}
 4780:     }
 4781: }
 4782: option add *font $font
 4783: createControlWindow

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