Annotation of loncom/interface/lonindexer.pm, revision 1.160
1.1 www 1: # The LearningOnline Network with CAPA
1.24 harris41 2: # Directory Indexer
3: #
1.160 ! banghart 4: # $Id: lonindexer.pm,v 1.159 2007/06/20 18:38:44 banghart Exp $
1.24 harris41 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
1.14 harris41 14: #
1.24 harris41 15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
1.14 harris41 27: #
1.23 harris41 28: ###
29:
30: ###############################################################################
31: ## ##
32: ## ORGANIZATION OF THIS PERL MODULE ##
33: ## ##
34: ## 1. Description of functions ##
35: ## 2. Modules used by this module ##
36: ## 3. Choices for different output views (detailed, summary, xml, etc) ##
37: ## 4. BEGIN block (to be run once after compilation) ##
38: ## 5. Handling routine called via Apache and mod_perl ##
39: ## 6. Other subroutines ##
40: ## ##
41: ###############################################################################
1.7 harris41 42:
1.1 www 43: package Apache::lonindexer;
44:
1.23 harris41 45: # ------------------------------------------------- modules used by this module
1.1 www 46: use strict;
1.133 albertel 47: use Apache::lonnet;
1.30 harris41 48: use Apache::loncommon();
1.83 www 49: use Apache::lonhtmlcommon();
1.94 www 50: use Apache::lonsequence();
1.1 www 51: use Apache::Constants qw(:common);
1.70 ng 52: use Apache::lonmeta;
1.2 harris41 53: use Apache::File;
1.77 www 54: use Apache::lonlocal;
1.109 taceyjo1 55: use Apache::lonsource();
1.2 harris41 56: use GDBM_File;
1.154 albertel 57: use LONCAPA qw(:match);
1.2 harris41 58:
1.23 harris41 59: # ---------------------------------------- variables used throughout the module
1.87 www 60: my %hash; # global user-specific gdbm file
1.17 harris41 61: my %dirs; # keys are directories, values are the open/close status
62: my %language; # has the reference information present in language.tab
1.111 www 63: my %dynhash; # hash of hashes for dynamic metadata
1.117 www 64: my %dynread; # hash of directories already read for dynamic metadata
1.113 www 65: my %fieldnames; # Metadata fieldnames
1.17 harris41 66: # ----- Values which are set by the handler subroutine and are accessible to
67: # ----- other methods.
68: my $extrafield; # default extra table cell
69: my $fnum; # file counter
70: my $dnum; # directory counter
1.1 www 71:
1.40 matthew 72: # ----- Used to include or exclude files with certain extensions.
1.43 matthew 73: my @Only = ();
1.40 matthew 74: my @Omit = ();
75:
76:
1.125 foxr 77:
78:
1.23 harris41 79: # ----------------------------- Handling routine called via Apache and mod_perl
1.1 www 80: sub handler {
81: my $r = shift;
1.67 matthew 82: my $c = $r->connection();
1.76 www 83: &Apache::loncommon::content_type($r,'text/html');
1.50 albertel 84: &Apache::loncommon::no_cache($r);
1.1 www 85: $r->send_http_header;
86: return OK if $r->header_only;
1.9 harris41 87: $fnum=0;
1.16 harris41 88: $dnum=0;
1.17 harris41 89:
1.43 matthew 90: # Deal with stupid global variables (is there a way around making
91: # these global to this package? It is just so wrong....)
92: undef (@Only);
93: undef (@Omit);
1.113 www 94: %fieldnames=&Apache::lonmeta::fieldnames();
1.43 matthew 95:
1.23 harris41 96: # ------------------------------------- read in machine configuration variables
1.10 harris41 97: my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1 www 98: my $domain = $r->dir_config('lonDefDomain');
99: my $role = $r->dir_config('lonRole');
100: my $loadlim = $r->dir_config('lonLoadLim');
101: my $servadm = $r->dir_config('lonAdmEMail');
102: my $sysadm = $r->dir_config('lonSysEMail');
103: my $lonhost = $r->dir_config('lonHostID');
104: my $tabdir = $r->dir_config('lonTabDir');
105:
1.7 harris41 106: my $fileclr='#ffffe6';
1.15 harris41 107: my $line;
108: my (@attrchk,@openpath);
109: my $uri=$r->uri;
110:
1.7 harris41 111: # -------------------------------------- see if called from an interactive mode
1.35 matthew 112: # Get the parameters from the query string
1.36 matthew 113: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40 matthew 114: ['catalogmode','launch','acts','mode','form','element',
1.79 albertel 115: 'only','omit','titleelement']);
1.35 matthew 116: #-------------------------------------------------------------------
1.17 harris41 117: my $closebutton='';
1.7 harris41 118: my $groupimportbutton='';
119: my $colspan='';
1.141 albertel 120:
1.14 harris41 121: $extrafield='';
1.17 harris41 122: my $diropendb =
1.144 www 123: "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67 matthew 124: %hash = ();
1.68 albertel 125: {
126: my %dbfile;
1.149 albertel 127: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
128: if ($env{'form.launch'} eq '1') {
129: &start_fresh_session(\%dbfile);
130: }
131:
1.68 albertel 132: while(my($key,$value)=each(%dbfile)) {
133: $hash{$key}=$value;
134: }
135: untie(%dbfile);
136: }
137: }
138: {
1.105 taceyjo1 139: #Hijack lonindexer to verify a title and be close down.
1.133 albertel 140: if ($env{'form.launch'} eq '2') {
1.130 albertel 141: &Apache::loncommon::content_type($r,'text/html');
1.108 albertel 142: my $extra='';
1.133 albertel 143: if (defined($env{'form.titleelement'}) &&
144: $env{'form.titleelement'} ne '') {
145: my $verify_title = &Apache::lonnet::gettitle($env{'form.acts'});
146: # &Apache::lonnet::logthis("Hrrm $env{'form.acts'} -- $verify_title");
1.108 albertel 147: $verify_title=~s/'/\\'/g;
1.133 albertel 148: $extra='window.opener.document.forms["'.$env{'form.form'}.'"].elements["'.$env{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
1.108 albertel 149: }
1.141 albertel 150: my $js = <<ENDSUBM;
1.129 albertel 151: <script type="text/javascript">
1.105 taceyjo1 152: function load() {
1.133 albertel 153: window.opener.document.forms["$env{'form.form'}"]
154: .elements["$env{'form.element'}"]
155: .value='$env{'form.acts'}';
1.108 albertel 156: $extra
1.105 taceyjo1 157: window.close();
158: }
1.129 albertel 159: </script>
1.105 taceyjo1 160: ENDSUBM
1.141 albertel 161: $r->print(&Apache::loncommon::start_page(undef,$js,
162: {'only_body' =>1,
163: 'add_entries' =>
1.142 albertel 164: {'onload' => "load();"},}
165: ).
1.141 albertel 166: &Apache::loncommon::end_page());
1.108 albertel 167: return OK;
1.105 taceyjo1 168: }
169:
1.17 harris41 170: # -------------------- refresh environment with user database values (in %hash)
1.133 albertel 171: &setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode' );
1.15 harris41 172:
1.17 harris41 173: # --------------------- define extra fields and buttons in case of special mode
1.133 albertel 174: if ($env{'form.catalogmode'} eq 'interactive') {
1.15 harris41 175: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152 albertel 176: '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.17 harris41 177: ' border="0" /></td>';
1.15 harris41 178: $colspan=" colspan='2' ";
1.77 www 179: my $cl=&mt('Close');
1.15 harris41 180: $closebutton=<<END;
1.131 albertel 181: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7 harris41 182: END
1.16 harris41 183: }
1.145 www 184: elsif ($env{'form.catalogmode'} eq 'import') {
1.15 harris41 185: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152 albertel 186: '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.17 harris41 187: ' border="0" /></td>';
1.15 harris41 188: $colspan=" colspan='2' ";
1.77 www 189: my $cl=&mt('Close');
1.123 matthew 190: my $gi=&mt('Import');
1.15 harris41 191: $closebutton=<<END;
1.131 albertel 192: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7 harris41 193: END
1.15 harris41 194: $groupimportbutton=<<END;
1.77 www 195: <input type="button" name="groupimport" value='$gi'
1.131 albertel 196: onClick="javascript:select_group()" />
1.7 harris41 197: END
1.15 harris41 198: }
1.35 matthew 199: # Additions made by Matthew to make the browser a little easier to deal
200: # with in the future.
201: #
202: # $mode (at this time) indicates if we are in edit mode.
203: # $form is the name of the form that the URL is placed when the
204: # selection is made.
205: # $element is the name of the element in $formname which receives
206: # the URL.
1.91 taceyjo1 207: #&Apache::lonxml::debug('Checking mode, form, element');
1.133 albertel 208: &setvalues(\%hash,'form.mode' ,\%env,'form.mode' );
209: &setvalues(\%hash,'form.form' ,\%env,'form.form' );
210: &setvalues(\%hash,'form.element' ,\%env,'form.element');
211: &setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
212: &setvalues(\%hash,'form.only' ,\%env,'form.only' );
213: &setvalues(\%hash,'form.omit' ,\%env,'form.omit' );
1.35 matthew 214:
1.40 matthew 215: # Deal with 'omit' and 'only'
1.133 albertel 216: if (exists $env{'form.omit'}) {
217: @Omit = split(',',$env{'form.omit'});
1.40 matthew 218: }
1.133 albertel 219: if (exists $env{'form.only'}) {
220: @Only = split(',',$env{'form.only'});
1.40 matthew 221: }
222:
1.133 albertel 223: my $mode = $env{'form.mode'};
1.79 albertel 224: my ($form,$element,$titleelement);
1.39 matthew 225: if ($mode eq 'edit' || $mode eq 'parmset') {
1.133 albertel 226: $form = $env{'form.form'};
227: $element = $env{'form.element'};
228: $titleelement = $env{'form.titleelement'};
1.35 matthew 229: }
1.90 taceyjo1 230: #&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17 harris41 231: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15 harris41 232: my $catalogmodefunctions='';
1.133 albertel 233: if ($env{'form.catalogmode'} eq 'interactive' or
1.145 www 234: $env{'form.catalogmode'} eq 'import') {
1.35 matthew 235: # The if statement below sets us up to use the old version
236: # by default (ie. if $mode is undefined). This is the easy
237: # way out. Hopefully in the future I'll find a way to get
238: # the calls dealt with in a more comprehensive manner.
1.41 www 239:
240: #
241: # There is now also mode "simple", which is for the simple version of the rat
242: #
243: #
1.39 matthew 244: if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.145 www 245: my $location = "/adm/groupsort?catalogmode=import&";
1.41 www 246: $location .= "mode=".$mode."&";
1.40 matthew 247: $location .= "acts=";
1.35 matthew 248: $catalogmodefunctions=<<"END";
1.108 albertel 249: function select_data(url) {
1.7 harris41 250: changeURL(url);
1.8 harris41 251: self.close();
252: }
253: function select_group() {
1.40 matthew 254: window.location="$location"+document.forms.fileattr.acts.value;
1.16 harris41 255: }
1.35 matthew 256: function changeURL(val) {
257: if (opener.inf) {
258: if (opener.inf.document.forms.resinfo.elements.u) {
259: opener.inf.document.forms.resinfo.elements.u.value=val;
260: }
1.7 harris41 261: }
262: }
1.35 matthew 263: END
1.39 matthew 264: } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40 matthew 265: my $location = "/adm/groupsort?catalogmode=interactive&";
266: $location .= "form=$form&element=$element&mode=edit&acts=";
1.35 matthew 267: $catalogmodefunctions=<<END;
268: // mode = $mode
1.108 albertel 269: function select_data(url) {
270: var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105 taceyjo1 271: window.location=location;
1.35 matthew 272: }
273: function select_group() {
1.40 matthew 274: window.location="$location"+document.forms.fileattr.acts.value;
1.35 matthew 275: }
276:
1.7 harris41 277: function changeURL(val) {
1.35 matthew 278: if (window.opener.document) {
279: window.opener.document.forms["$form"].elements["$element"].value=val;
280: } else {
281: alert("The file you selected is: "+val);
1.7 harris41 282: }
283: }
284: END
1.79 albertel 285: if (!$titleelement) {
286: $catalogmodefunctions.='function changeTitle(val) {}';
287: } else {
288: $catalogmodefunctions.=<<END;
289: function changeTitle(val) {
290: if (window.opener.document) {
291: window.opener.document.forms["$form"].elements["$titleelement"].value=val;
292: } else {
293: alert("The title of the file you selected is: "+val);
294: }
295: }
296: END
297: }
1.39 matthew 298: } elsif ($mode eq 'parmset') {
1.40 matthew 299: my $location = "/adm/groupsort?catalogmode=interactive&";
300: $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39 matthew 301: $catalogmodefunctions=<<END;
302: // mode = $mode
1.108 albertel 303: function select_data(url) {
1.39 matthew 304: changeURL(url);
305: self.close();
306: }
307:
308: function select_group() {
1.40 matthew 309: window.location="$location"+document.forms.fileattr.acts.value;
1.39 matthew 310: }
311:
312: function changeURL(val) {
313: if (window.opener.document) {
314: var elementname = "$element"+"_value";
315: var checkboxname = "$element"+"_setparmval";
316: window.opener.document.forms["$form"].elements[elementname].value=val;
317: window.opener.document.forms["$form"].elements[checkboxname].checked=true;
318: } else {
319: alert("The file you selected is: "+val);
320: }
321: }
322:
323: END
324: }
1.15 harris41 325: }
1.38 matthew 326: $catalogmodefunctions.=<<END;
327: var acts='';
328: function rep_dirpath(suffix,val) {
329: eval("document.forms.dirpath"+suffix+".acts.value=val");
330: }
331: END
1.145 www 332: if ($env{'form.catalogmode'} eq 'import') {
1.38 matthew 333: $catalogmodefunctions.=<<END;
1.16 harris41 334: function queue(val) {
335: if (eval("document.forms."+val+".filelink.checked")) {
336: var l=val.length;
337: var v=val.substring(4,l);
338: document.forms.fileattr.acts.value+='1a'+v+'b';
339: }
340: else {
341: var l=val.length;
342: var v=val.substring(4,l);
343: document.forms.fileattr.acts.value+='0a'+v+'b';
344: }
345: }
346: END
347: }
1.17 harris41 348:
1.1 www 349: # ---------------------------------------------------------------- Print Header
1.141 albertel 350: my $js = <<"ENDHEADER";
1.19 harris41 351: <script type="text/javascript">
1.7 harris41 352: $catalogmodefunctions
1.160 ! banghart 353: function checkAll(dir) {
! 354: var numForms = document.forms.length;
! 355: var dirLength = dir.length;
! 356: for (i=0;i<numForms;i++) {
! 357: var numElements = document.forms[i].elements.length;
! 358: for (j=0;j<numElements;j++){
! 359: var fieldVal = document.forms[i].elements[j].value;
! 360: var comp = fieldVal.substr(0,dirLength);
! 361: if ((comp == dir) && (dirLength < fieldVal.length)) {
! 362: //alert(document.forms[i].elements[j].value);
! 363: }
! 364: }
! 365: }
! 366: }
1.69 www 367: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71 ng 368: var xpos = (screen.width-w)/2;
369: xpos = (xpos < 0) ? '0' : xpos;
370: var ypos = (screen.height-h)/2-30;
371: ypos = (ypos < 0) ? '0' : ypos;
372: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2 harris41 373: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69 www 374: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2 harris41 375: var newWin = window.open(url, wdwName, options);
376: newWin.focus();
377: }
1.16 harris41 378: function gothere(val) {
379: window.location=val+'?acts='+document.forms.fileattr.acts.value;
380: }
1.14 harris41 381: </script>
1.141 albertel 382: ENDHEADER
1.3 harris41 383:
1.154 albertel 384: my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.141 albertel 385: $r->print(&Apache::loncommon::start_page('Browse Resources',$js,
386: {'domain' => $headerdom,}));
1.17 harris41 387: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.145 www 388: if ($env{'form.catalogmode'} eq 'import') {
1.133 albertel 389: my $acts=$env{'form.acts'};
1.16 harris41 390: my @Acts=split(/b/,$acts);
391: my %ahash;
392: my %achash;
393: my $ac=0;
1.17 harris41 394: # some initial hashes for working with data
1.27 harris41 395: foreach (@Acts) {
1.16 harris41 396: my ($state,$ref)=split(/a/);
397: $ahash{$ref}=$state;
398: $achash{$ref}=$ac;
399: $ac++;
1.27 harris41 400: }
1.87 www 401: # sorting through the actions and changing the global database hash
1.27 harris41 402: foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
1.16 harris41 403: my $key=$_;
404: if ($ahash{$key} eq '1') {
405: $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
406: $hash{'pre_'.$key.'_title'};
407: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
408: $hash{'storectr'}+0;
409: $hash{'storectr'}++;
410: }
411: if ($ahash{$key} eq '0') {
412: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
413: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
414: }
415: }
1.27 harris41 416: }
1.17 harris41 417: # deleting the previously cached listing
1.27 harris41 418: foreach (keys %hash) {
1.16 harris41 419: if ($_ =~ /^pre_/ && $_ =~/link$/) {
420: my $key = $_;
421: $key =~ s/^pre_//;
422: $key =~ s/_[^_]*$//;
423: delete $hash{'pre_'.$key.'_title'};
424: delete $hash{'pre_'.$key.'_link'};
425: }
1.27 harris41 426: }
1.16 harris41 427: }
428:
1.23 harris41 429: # ---------------------------------- get state of file attributes to be showing
1.133 albertel 430: if ($env{'form.attrs'}) {
1.111 www 431: for (my $i=0; $i<=11; $i++) {
1.6 harris41 432: delete $hash{'display_attrs_'.$i};
1.133 albertel 433: if ($env{'form.attr'.$i} == 1) {
1.45 ng 434: $attrchk[$i] = 'checked';
1.6 harris41 435: $hash{'display_attrs_'.$i} = 1;
436: }
437: }
438: } else {
1.111 www 439: for (my $i=0; $i<=11; $i++) {
1.45 ng 440: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6 harris41 441: }
442: }
1.87 www 443:
1.23 harris41 444: # ------------------------------- output state of file attributes to be showing
1.71 ng 445: # All versions has to the last item
446: # since it does not take an extra col
1.77 www 447: my %lt=&Apache::lonlocal::texthash(
448: 'ti' => 'Title',
449: 'si' => 'Size',
450: 'la' => 'Last access',
451: 'lm' => 'Last modified',
452: 'st' => 'Statistics',
453: 'au' => 'Author',
454: 'kw' => 'Keywords',
1.78 www 455: 'ln' => 'Language',
1.109 taceyjo1 456: 'sa' => 'Source Available',
1.77 www 457: 'sr' => 'Show resource',
1.111 www 458: 'li' => 'Linked/Related Resources',
1.77 www 459: 'av' => 'All versions',
460: 'ud' => 'Update Display'
461: );
1.15 harris41 462: $r->print(<<END);
1.17 harris41 463: <form method="post" name="fileattr" action="$uri"
464: enctype="application/x-www-form-urlencoded">
1.124 matthew 465: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115 www 466: <table border="0">
467: <tr>
1.124 matthew 468: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
469: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
470: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
471: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.115 www 472: </tr>
473: <tr>
1.124 matthew 474: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
475: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
476: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
477: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.115 www 478: </tr>
479: <tr>
1.124 matthew 480: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
481: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
482: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.115 www 483: <td> </td>
484: </tr>
485: </table>
1.87 www 486: <input type="hidden" name="attrs" value="1" />
487: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16 harris41 488: <input type="hidden" name="acts" value="" />
1.87 www 489: $closebutton $groupimportbutton
1.1 www 490: END
1.97 www 491: # -------------- Filter out sequence containment in crumbs and "recent folders"
492: my $storeuri=$uri;
493: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
494: $storeuri=~s/\/+/\//g;
1.82 www 495: # ---------------------------------------------------------------- Bread crumbs
1.97 www 496: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145 www 497: (($env{'form.catalogmode'} eq 'import')?
1.87 www 498: 'document.forms.fileattr':'')).
499: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128 foxr 500: 'window.status=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();'));
1.100 www 501: # -------------------------------------------------------- Resource Home Button
1.133 albertel 502: my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100 www 503: if ($reshome) {
504: $r->print("<font size='+2'><a href='");
1.145 www 505: if ($env{'form.catalogmode'} eq 'import') {
1.100 www 506: $r->print('javascript:document.forms.fileattr.action="'.$reshome.'";document.forms.fileattr.submit();');
507: } else {
508: $r->print($reshome);
509: }
510: $r->print("'>".&mt('Home').'</a></font>');
511: }
512: $r->print('</form>');
1.85 www 513: # ------------------------------------------------------ Remember where we were
1.97 www 514: &Apache::loncommon::storeresurl($storeuri);
515: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.23 harris41 516: # ----------------- output starting row to the indexed file/directory hierarchy
1.15 harris41 517: my $titleclr="#ddffff";
1.129 albertel 518: #$r->print(&initdebug());
519: #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
520: #$r->print(&writedebug("Only:@Only")) if (@Only);
521: $r->print('<table width="100%" border="0"><tr><td bgcolor="#777777">'."\n");
522: $r->print('<table width="100%" border="0"><tr bgcolor="'.$titleclr.'">'."\n");
1.77 www 523: $r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
524: $r->print("<td><b>".&mt('Title')."</b></td>\n")
1.45 ng 525: if ($hash{'display_attrs_0'} == 1);
1.77 www 526: $r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45 ng 527: "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77 www 528: $r->print("<td><b>".&mt("Last accessed")."</b></td>\n")
1.17 harris41 529: if ($hash{'display_attrs_2'} == 1);
1.77 www 530: $r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17 harris41 531: if ($hash{'display_attrs_3'} == 1);
1.77 www 532: $r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17 harris41 533: if ($hash{'display_attrs_4'} == 1);
1.77 www 534: $r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17 harris41 535: if ($hash{'display_attrs_5'} == 1);
1.77 www 536: $r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45 ng 537: if ($hash{'display_attrs_6'} == 1);
1.77 www 538: $r->print("<td><b>".&mt("Usage Statistics")." <br />(".
1.120 matthew 539: &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
1.70 ng 540: if ($hash{'display_attrs_8'} == 1);
1.109 taceyjo1 541: $r->print("<td><b>".&mt("Source Available")."</b></td>\n")
542: if ($hash{'display_attrs_10'} == 1);
1.111 www 543: $r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
544: if ($hash{'display_attrs_11'} == 1);
1.115 www 545: $r->print("<td><b>".&mt("Resource")."</b></td>\n")
546: if ($hash{'display_attrs_7'} == 1);
1.45 ng 547: $r->print('</tr>');
1.5 harris41 548:
1.23 harris41 549: # ----------------- read in what directories have previously been set to "open"
1.27 harris41 550: foreach (keys %hash) {
1.4 harris41 551: if ($_ =~ /^diropen_status_/) {
552: my $key = $_;
553: $key =~ s/^diropen_status_//;
554: $dirs{$key} = $hash{$_};
555: }
1.27 harris41 556: }
1.4 harris41 557:
1.133 albertel 558: if ($env{'form.openuri'}) { # take care of review and refresh options
559: my $uri=$env{'form.openuri'};
1.4 harris41 560: if (exists($hash{'diropen_status_'.$uri})) {
561: my $cursta = $hash{'diropen_status_'.$uri};
1.2 harris41 562: $dirs{$uri} = 'open';
1.4 harris41 563: $hash{'diropen_status_'.$uri} = 'open';
564: if ($cursta eq 'open') {
565: $dirs{$uri} = 'closed';
566: $hash{'diropen_status_'.$uri} = 'closed';
567: }
1.2 harris41 568: } else {
1.4 harris41 569: $hash{'diropen_status_'.$uri} = 'open';
1.2 harris41 570: $dirs{$uri} = 'open';
571: }
572: }
1.12 ng 573:
574: my $toplevel;
1.13 ng 575: my $indent = 0;
1.12 ng 576: $uri = $uri.'/' if $uri !~ /.*\/$/;
1.17 harris41 577:
1.133 albertel 578: if ($env{'form.dirPointer'} ne 'on') {
1.88 www 579: $hash{'top.level'} = $uri;
580: $toplevel = $uri;
581: } else {
582: $toplevel = $hash{'top.level'};
583: }
1.17 harris41 584:
1.23 harris41 585: # -------------------------------- if not at top level, provide an uplink arrow
1.45 ng 586: if ($toplevel ne '/res/'){
1.13 ng 587: my (@uri_com) = split(/\//,$uri);
588: pop @uri_com;
589: my $upone = join('/',@uri_com);
590: my @list = qw (0);
591: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
592: $indent = 1;
1.12 ng 593: }
1.17 harris41 594:
1.23 harris41 595: # -------- recursively go through all the directories and output as appropriate
1.16 harris41 596: &scanDir ($r,$toplevel,$indent,\%hash);
1.12 ng 597:
1.152 albertel 598:
599: # -------------------------------------------------------------- end the tables
600: $r->print('</table>');
1.23 harris41 601: # ---------------------------- embed hidden information useful for group import
1.152 albertel 602: $r->print("<form name='fnum' action=''>");
1.131 albertel 603: $r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.23 harris41 604: # -------------------------------------------------------------- end the tables
1.45 ng 605: $r->print('</td></tr></table>');
1.17 harris41 606:
1.23 harris41 607: # --------------------------------------------------- end the output and return
1.141 albertel 608: $r->print(&Apache::loncommon::end_page()."\n");
1.2 harris41 609: }
1.67 matthew 610: if(! $c->aborted()) {
1.87 www 611: # write back into the temporary file
1.68 albertel 612: my %dbfile;
1.67 matthew 613: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
614: while (my($key,$value) = each(%hash)) {
615: $dbfile{$key}=$value;
616: }
617: untie(%dbfile);
618: }
619: }
620:
1.1 www 621: return OK;
622: }
1.2 harris41 623:
1.17 harris41 624: # ----------------------------------------------- recursive scan of a directory
1.2 harris41 625: sub scanDir {
1.16 harris41 626: my ($r,$startdir,$indent,$hashref)=@_;
1.67 matthew 627: my $c = $r->connection();
1.3 harris41 628: my ($compuri,$curdir);
629: my $dirptr=16384;
1.90 taceyjo1 630: my $obs;
1.1 www 631: $indent++;
1.2 harris41 632: my %dupdirs = %dirs;
633: my @list=&get_list($r,$startdir);
634: foreach my $line (@list) {
1.67 matthew 635: return if ($c->aborted());
1.90 taceyjo1 636: #This is a kludge, sorry aboot this
1.92 taceyjo1 637: my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
1.90 taceyjo1 638: next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18 ng 639: my (@fileparts) = split(/\./,$strip);
1.70 ng 640: if ($hash{'display_attrs_9'} != 1) {
1.95 www 641: # if not all versions to be shown
1.18 ng 642: if (scalar(@fileparts) >= 3) {
643: my $fext = pop @fileparts;
644: my $ov = pop @fileparts;
645: my $fname = join ('.',@fileparts,$fext);
1.75 albertel 646: next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18 ng 647: }
648: }
649:
1.45 ng 650: if ($dom eq 'domain') {
1.72 albertel 651: # dom list has full path /res/<domain name>/ already
652: $curdir='';
1.73 albertel 653: $compuri = (split(/\&/,$line))[0];
1.2 harris41 654: } else {
1.17 harris41 655: # user, dir & file have name only, i.e., w/o path
1.45 ng 656: $compuri = join('',$startdir,$strip,'/');
1.3 harris41 657: $curdir = $startdir;
1.2 harris41 658: }
1.45 ng 659: my $diropen = 'closed';
1.96 www 660: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3 harris41 661: while (my ($key,$val)= each %dupdirs) {
1.5 harris41 662: if ($key eq $compuri and $val eq "open") {
1.11 ng 663: $diropen = "opened";
1.53 albertel 664: delete($dupdirs{$key});
665: delete($dirs{$key});
1.5 harris41 666: }
1.3 harris41 667: }
1.1 www 668: }
1.16 harris41 669: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45 ng 670: &scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1 www 671: }
672: $indent--;
673: }
674:
1.17 harris41 675: # --------------- get complete matched list based on the uri (returns an array)
1.1 www 676: sub get_list {
677: my ($r,$uri)=@_;
1.97 www 678: my @list=();
1.45 ng 679: (my $luri = $uri) =~ s/\//_/g;
1.133 albertel 680: if ($env{'form.updatedisplay'}) {
1.27 harris41 681: foreach (keys %hash) {
1.4 harris41 682: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121 albertel 683: delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87 www 684: }
1.2 harris41 685: }
686:
1.121 albertel 687: if (defined($hash{'dirlist_files_'.$luri}) &&
688: $hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4 harris41 689: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97 www 690: } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94 www 691: # is a page or a sequence
1.97 www 692: $uri=~s/\/$//;
693: $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
694: $uri=~s/\/+/\//g;
695: foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
696: my @ratpart=split(/\:/,$_);
1.156 albertel 697: push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97 www 698: }
1.94 www 699: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 700: } else {
1.94 www 701: # is really a directory
1.4 harris41 702: @list = &Apache::lonnet::dirlist($uri);
1.87 www 703: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121 albertel 704: $hash{'dirlist_timestamp_files_'.$luri} = time;
1.1 www 705: }
1.156 albertel 706: return @list=&match_ext($r,@list);
1.1 www 707: }
708:
1.112 www 709: sub dynmetaread {
710: my $uri=shift;
711: if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117 www 712: # We don't want the filename
713: $uri=~s/\/[^\/]+$//;
714: # Did we already see this?
715: my $builddir=$uri;
716: while ($builddir) {
717: if ($dynread{$builddir}) {
718: return 0;
719: }
720: $builddir=~s/\/[^\/]+$//;
721: }
722: # Actually get the data
1.112 www 723: %dynhash=
1.143 www 724: (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117 www 725: # Remember that we got it
726: $dynread{$uri}=1;
1.112 www 727: }
728: }
729:
1.40 matthew 730: sub initdebug {
1.141 albertel 731: my $start_page=
732: &Apache::loncommon::start_page('Debug',undef,
733: {'only_body' => 1,});
734: $start_page =~ s/\n/ /g;
1.40 matthew 735: return <<ENDJS;
1.141 albertel 736: <script type="text/javascript">
1.40 matthew 737: var debugging = true;
738: if (debugging) {
739: var debuggingWindow = window.open('','Debug','width=400,height=300',true);
740: }
741:
742: function output(text) {
743: if (debugging) {
744: debuggingWindow.document.writeln(text);
745: }
746: }
1.141 albertel 747: output('$start_page<pre>');
1.40 matthew 748: </script>
749: ENDJS
750: }
751:
752: sub writedebug {
1.141 albertel 753: my ($text) = @_;
754: return "<script type=\"text/javascript\">output('$text');</script>";
1.40 matthew 755: }
756:
1.17 harris41 757: # -------------------- filters out files based on extensions (returns an array)
1.1 www 758: sub match_ext {
759: my ($r,@packlist)=@_;
760: my @trimlist;
761: my $nextline;
762: my @fileext;
763: my $dirptr=16384;
764:
1.2 harris41 765: foreach my $line (@packlist) {
766: chomp $line;
767: $line =~ s/^\/home\/httpd\/html//;
768: my @unpackline = split (/\&/,$line);
1.45 ng 769: next if ($unpackline[0] eq '.');
770: next if ($unpackline[0] eq '..');
1.2 harris41 771: my @filecom = split (/\./,$unpackline[0]);
772: my $fext = pop(@filecom);
1.96 www 773: my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2 harris41 774: if ($fnptr == 0 and $unpackline[3] ne "") {
1.28 harris41 775: my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25 matthew 776: push @trimlist,$line if (defined($embstyle) &&
1.32 harris41 777: ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1 www 778: } else {
1.2 harris41 779: push @trimlist,$line;
1.1 www 780: }
781: }
1.80 albertel 782: @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1 www 783: return @trimlist;
784: }
785:
1.17 harris41 786: # ------------------------------- displays one line in appropriate table format
1.23 harris41 787: sub display_line {
1.16 harris41 788: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53 albertel 789: my (@pathfn, $fndir);
1.97 www 790: # there could be relative paths (files actually belonging into this directory)
791: # or absolute paths (for example, from sequences)
792: my $absolute;
793: my $pathprefix;
1.107 albertel 794: if ($line=~m|^/res/| && $startdir ne '') {
1.97 www 795: $absolute=1;
796: $pathprefix='';
797: } else {
798: $absolute=0;
799: $pathprefix=$startdir;
800: }
1.1 www 801: my $dirptr=16384;
802: my $fileclr="#ffffe6";
1.45 ng 803: my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1 www 804:
805: my @filecom = split (/\&/,$line);
806: my @pathcom = split (/\//,$filecom[0]);
807: my $listname = $pathcom[scalar(@pathcom)-1];
808: my $fnptr = $filecom[3]&$dirptr;
1.77 www 809: my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
810: $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1 www 811:
1.45 ng 812: my $tabtag='</td>';
1.1 www 813: my $i=0;
1.109 taceyjo1 814: while ($i<=11) {
1.45 ng 815: $tabtag=join('',$tabtag,"<td> </td>")
1.155 albertel 816: if ($i != 9 &&
817: $hash{'display_attrs_'.$i} == 1);
1.1 www 818: $i++;
819: }
1.63 ng 820: my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17 harris41 821:
822: # display uplink arrow
1.45 ng 823: if ($filecom[1] eq 'viewOneUp') {
1.98 www 824: my $updir=$startdir;
825: # -------------- Filter out sequence containment in crumbs and "recent folders"
826: $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
827: $updir=~s/\/+/\//g;
828:
1.159 banghart 829: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70 ng 830: $r->print("<td>\n");
1.98 www 831: $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16 harris41 832: '/" '.
1.17 harris41 833: 'onSubmit="return rep_dirpath(\'UP\','.
834: 'document.forms.fileattr.acts.value)" '.
1.16 harris41 835: 'enctype="application/x-www-form-urlencoded"'.
836: '>'."\n");
1.17 harris41 837: $r->print ('<input type=hidden name=openuri value="'.
1.131 albertel 838: $startdir.'" />'."\n");
839: $r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13 ng 840: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.131 albertel 841: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 842: "\n");
1.135 www 843: $r->print(&mt("Up")."</form>$tabtag</tr>\n");
1.13 ng 844: return OK;
845: }
1.97 www 846: # Do we have permission to look at this?
847:
848: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
849:
850: # make absolute links appear on different background
1.112 www 851: if ($absolute) { $fileclr='#ccdd99'; }
1.17 harris41 852:
853: # display domain
1.45 ng 854: if ($filecom[1] eq 'domain') {
1.131 albertel 855: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133 albertel 856: if ($env{'form.dirPointer'} eq "on");
1.159 banghart 857: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70 ng 858: $r->print("<td>");
1.73 albertel 859: &begin_form ($r,$filecom[0]);
860: my $anchor = $filecom[0];
1.3 harris41 861: $anchor =~ s/\///g;
1.152 albertel 862: $r->print ('<a name="'.$anchor.'"></a>');
1.131 albertel 863: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 864: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
865: $diropen.'.gif"');
1.131 albertel 866: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 867: "\n");
1.128 foxr 868: my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125 foxr 869: $r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152 albertel 870: '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.17 harris41 871: $r->print (' border="0" /></a>'."\n");
1.77 www 872: $r->print (&mt("Domain")." - $listname ");
1.158 albertel 873: if (&Apache::lonnet::domain($listname,'description')) {
874: $r->print("(".&Apache::lonnet::domain($listname,'description').
1.60 albertel 875: ")");
876: }
1.135 www 877: $r->print ("</form>$tabtag</tr>\n");
1.1 www 878: return OK;
1.17 harris41 879:
880: # display user directory
1.1 www 881: }
1.45 ng 882: if ($filecom[1] eq 'user') {
1.160 ! banghart 883: # $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2 harris41 884: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 885: my $anchor = $curdir;
886: $anchor =~ s/\///g;
1.160 ! banghart 887: $r->print("<tr valign=$valign bgcolor=\"$fileclr\">");
! 888: $r->print("<td>\n");
! 889: $r->print("<input type=\"checkbox\" name=\"tester\" value=\"$curdir\" onClick=\"javascript:checkAll('$curdir')\" /></td>\n");
! 890: $r->print("<td nowrap>\n");
1.13 ng 891: &begin_form ($r,$curdir);
1.152 albertel 892: $r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.17 harris41 893: 'whitespace1.gif" border="0" />'."\n");
1.131 albertel 894: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 895: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
896: '.gif"');
1.131 albertel 897: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 898: "\n");
1.128 foxr 899: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 900: $r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.152 albertel 901: .'\')"><img alt="" src='.
1.17 harris41 902: $iconpath.'quill.gif border="0" name="'.$msg.
903: '" height="22" /></a>');
1.60 albertel 904: my $domain=(split(m|/|,$startdir))[2];
905: my $plainname=&Apache::loncommon::plainname($listname,$domain);
906: $r->print ($listname);
907: if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.131 albertel 908: $r->print ('</form>'.$tabtag.'</tr>'."\n");
1.1 www 909: return OK;
910: }
1.17 harris41 911:
1.1 www 912: # display file
1.97 www 913: if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
914: my $filelink = $pathprefix.$filecom[0];
1.1 www 915: my @file_ext = split (/\./,$listname);
1.25 matthew 916: my $curfext = $file_ext[-1];
1.40 matthew 917: if (@Omit) {
918: foreach (@Omit) { return OK if ($curfext eq $_); }
919: }
920: if (@Only) {
921: my $skip = 1;
922: foreach (@Only) { $skip = 0 if ($curfext eq $_); }
923: return OK if ($skip > 0);
924: }
1.25 matthew 925: # Set the icon for the file
1.84 albertel 926: my $iconname = &Apache::loncommon::icon($listname);
1.159 banghart 927: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\"><td nowrap='nowrap' valign='top'>");
1.104 albertel 928:
1.133 albertel 929: if ($env{'form.catalogmode'} eq 'interactive') {
1.128 foxr 930: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35 matthew 931: $r->print("<a href=\"javascript:select_data(\'",
1.125 foxr 932: $quotable_filelink,"')\">");
1.152 albertel 933: $r->print("<img alt=\"\" src='",$iconpath,"select.gif' border='0' /></a>".
1.17 harris41 934: "\n");
1.153 albertel 935: $r->print("</td><td nowrap='nowrap' valign='top'>");
1.145 www 936: } elsif ($env{'form.catalogmode'} eq 'import') {
1.152 albertel 937: $r->print("<form name='form$fnum' action=''>\n");
1.8 harris41 938: $r->print("<input type='checkbox' name='filelink"."' ".
1.16 harris41 939: "value='$filelink' onClick='".
940: "javascript:queue(\"form$fnum\")' ");
941: if ($hash{'store_'.$filelink}) {
942: $r->print("checked");
943: }
1.131 albertel 944: $r->print(" />\n");
1.153 albertel 945: $r->print("</form></td><td nowrap='nowrap' valign='top'>");
1.16 harris41 946: $hash{"pre_${fnum}_link"}=$filelink;
1.8 harris41 947: $fnum++;
1.7 harris41 948: }
1.95 www 949: # Form to open or close sequences
950: if ($filelink=~/\.(page|sequence)$/) {
951: my $curdir = $startdir.$filecom[0].'/';
952: my $anchor = $curdir;
953: $anchor =~ s/\///g;
954: &begin_form($r,$curdir);
955: $indent--;
956: }
957: # General indentation
1.12 ng 958: if ($indent > 0 and $indent < 11) {
1.152 albertel 959: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indent,
1.17 harris41 960: ".gif border='0' />\n");
1.11 ng 961: } elsif ($indent >0) {
1.4 harris41 962: my $ten = int($indent/10.);
963: my $rem = $indent%10.0;
964: my $count = 0;
965: while ($count < $ten) {
1.152 albertel 966: $r->print("<img alt=\"\" src=",$iconpath,
1.17 harris41 967: "whitespace10.gif border='0' />\n");
1.1 www 968: $count++;
1.4 harris41 969: }
1.152 albertel 970: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.17 harris41 971: ".gif border='0' />\n") if $rem > 0;
1.1 www 972: }
1.95 www 973: # Sequence open/close icon
974: if ($filelink=~/\.(page|sequence)$/) {
975: my $curdir = $startdir.$filecom[0].'/';
976: my $anchor = $curdir;
977: $anchor =~ s/\///g;
1.131 albertel 978: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 979: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95 www 980: 'folder_pointer_'.$diropen.'.gif"');
1.131 albertel 981: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.95 www 982: "\n");
983: }
984: # Filetype icons
1.152 albertel 985: $r->print("<img alt=\"\" src='$iconname' border='0' />\n");
1.128 foxr 986: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125 foxr 987:
988:
989: $r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.152 albertel 990: "', 'previewfile', '450', '500', 'no', 'yes','yes');\"".
991: " target=\"_self\">$listname</a> ");
1.17 harris41 992:
1.125 foxr 993: $r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.152 albertel 994: ".meta', 'metadatafile', '500', '550', 'no', 'yes','no');\" ".
995: " target=\"_self\">metadata</a>) ");
1.134 www 996: # Close form to open/close sequence
997: if ($filelink=~/\.(page|sequence)$/) {
998: $r->print('</form>');
999: }
1.7 harris41 1000: $r->print("</td>\n");
1.45 ng 1001: if ($hash{'display_attrs_0'} == 1) {
1.104 albertel 1002: my $title = &Apache::lonnet::gettitle($filelink,'title');
1.70 ng 1003: $r->print('<td> '.($title eq '' ? ' ' : $title).
1.45 ng 1004: ' </td>'."\n");
1005: }
1.70 ng 1006: $r->print('<td align=right> ',
1.17 harris41 1007: $filecom[8]," </td>\n")
1.45 ng 1008: if $hash{'display_attrs_1'} == 1;
1.70 ng 1009: $r->print('<td> '.
1.17 harris41 1010: (localtime($filecom[9]))." </td>\n")
1.45 ng 1011: if $hash{'display_attrs_2'} == 1;
1.70 ng 1012: $r->print('<td> '.
1.17 harris41 1013: (localtime($filecom[10]))." </td>\n")
1.45 ng 1014: if $hash{'display_attrs_3'} == 1;
1.2 harris41 1015:
1.45 ng 1016: if ($hash{'display_attrs_4'} == 1) {
1.104 albertel 1017: my $author = &Apache::lonnet::metadata($filelink,'author');
1.70 ng 1018: $r->print('<td> '.($author eq '' ? ' ' : $author).
1.17 harris41 1019: " </td>\n");
1.2 harris41 1020: }
1.45 ng 1021: if ($hash{'display_attrs_5'} == 1) {
1.104 albertel 1022: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45 ng 1023: # $keywords = ' ' if (!$keywords);
1.70 ng 1024: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1.17 harris41 1025: " </td>\n");
1.2 harris41 1026: }
1.109 taceyjo1 1027: #'
1028:
1.45 ng 1029: if ($hash{'display_attrs_6'} == 1) {
1.104 albertel 1030: my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28 harris41 1031: $lang = &Apache::loncommon::languagedescription($lang);
1.70 ng 1032: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1.17 harris41 1033: " </td>\n");
1.2 harris41 1034: }
1.70 ng 1035: if ($hash{'display_attrs_8'} == 1) {
1.111 www 1036: # statistics
1.117 www 1037: &dynmetaread($filelink);
1.112 www 1038: $r->print("<td>");
1.114 www 1039: &dynmetaprint($r,$filelink,'count');
1040: &dynmetaprint($r,$filelink,'course');
1041: &dynmetaprint($r,$filelink,'stdno');
1042: &dynmetaprint($r,$filelink,'avetries');
1043: &dynmetaprint($r,$filelink,'difficulty');
1044: &dynmetaprint($r,$filelink,'disc');
1045: &dynmetaprint($r,$filelink,'clear');
1046: &dynmetaprint($r,$filelink,'technical');
1047: &dynmetaprint($r,$filelink,'correct');
1048: &dynmetaprint($r,$filelink,'helpful');
1049: &dynmetaprint($r,$filelink,'depth');
1.112 www 1050: $r->print(" </td>\n");
1.111 www 1051:
1.70 ng 1052: }
1.109 taceyjo1 1053: if ($hash{'display_attrs_10'} == 1) {
1054: my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110 albertel 1055: if($source eq 'open') {
1.119 taceyjo1 1056: my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128 foxr 1057: my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.125 foxr 1058: $r->print('<td>'."<a href=\"javascript:openWindow('"
1059: .$quotable_sourcelink.
1.152 albertel 1060: "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1061: " target=\"_self\">Yes</a> "."</td>\n");
1.110 albertel 1062: } else { #A cuddled else. :P
1.111 www 1063: $r->print("<td> </td>\n");
1.110 albertel 1064: }
1.109 taceyjo1 1065: }
1.111 www 1066: if ($hash{'display_attrs_11'} == 1) {
1067: # links
1.117 www 1068: &dynmetaread($filelink);
1.113 www 1069: $r->print('<td>');
1.148 www 1070: &coursecontext($r,$filelink);
1.113 www 1071: &dynmetaprint($r,$filelink,'goto_list');
1072: &dynmetaprint($r,$filelink,'comefrom_list');
1073: &dynmetaprint($r,$filelink,'sequsage_list');
1.114 www 1074: &dynmetaprint($r,$filelink,'dependencies');
1.139 www 1075: &dynmetaprint($r,$filelink,'course_list');
1.113 www 1076: $r->print('</td>');
1.114 www 1077: }
1.115 www 1078: if ($hash{'display_attrs_7'} == 1) {
1079: # Show resource
1.140 www 1080: my $output=&showpreview($filelink);
1081: $r->print('<td> '.($output eq '' ? ' ':$output).
1.115 www 1082: " </td>\n");
1083: }
1.1 www 1084: $r->print("</tr>\n");
1085: }
1.17 harris41 1086:
1.2 harris41 1087: # -- display directory
1.1 www 1088: if ($fnptr == $dirptr) {
1.2 harris41 1089: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 1090: my $anchor = $curdir;
1091: $anchor =~ s/\///g;
1.159 banghart 1092: $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.2 harris41 1093: &begin_form ($r,$curdir);
1.4 harris41 1094: my $indentm1 = $indent-1;
1.11 ng 1095: if ($indentm1 < 11 and $indentm1 > 0) {
1.152 albertel 1096: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.17 harris41 1097: ".gif border='0' />\n");
1.4 harris41 1098: } else {
1099: my $ten = int($indentm1/10.);
1100: my $rem = $indentm1%10.0;
1101: my $count = 0;
1102: while ($count < $ten) {
1.152 albertel 1103: $r->print ("<img alt=\"\" src=",$iconpath
1.17 harris41 1104: ,"whitespace10.gif border='0' />\n");
1.12 ng 1105: $count++;
1.4 harris41 1106: }
1.152 albertel 1107: $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.17 harris41 1108: ".gif border='0' />\n") if $rem > 0;
1.1 www 1109: }
1.131 albertel 1110: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 1111: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17 harris41 1112: 'folder_pointer_'.$diropen.'.gif"');
1.131 albertel 1113: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 1114: "\n");
1.128 foxr 1115: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 1116: $r->print ('<a href="javascript:gothere(\''
1.152 albertel 1117: .$quotable_curdir.'\')">'
1118: .'<img alt="'.&mt('Open Folder').'"src="'.
1.17 harris41 1119: $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.
1120: "\n");
1.152 albertel 1121: $r->print ("$listname</form></td>\n");
1.86 www 1122: # Attributes
1123: my $filelink = $startdir.$filecom[0].'/default';
1124:
1125: if ($hash{'display_attrs_0'} == 1) {
1126: my $title = &Apache::lonnet::gettitle($filelink,'title');
1127: $r->print('<td> '.($title eq '' ? ' ' : $title).
1128: ' </td>'."\n");
1129: }
1130: $r->print('<td align=right> ',
1131: $filecom[8]," </td>\n")
1132: if $hash{'display_attrs_1'} == 1;
1133: $r->print('<td> '.
1134: (localtime($filecom[9]))." </td>\n")
1135: if $hash{'display_attrs_2'} == 1;
1136: $r->print('<td> '.
1137: (localtime($filecom[10]))." </td>\n")
1138: if $hash{'display_attrs_3'} == 1;
1139:
1140: if ($hash{'display_attrs_4'} == 1) {
1141: my $author = &Apache::lonnet::metadata($filelink,'author');
1142: $r->print('<td> '.($author eq '' ? ' ' : $author).
1143: " </td>\n");
1144: }
1145: if ($hash{'display_attrs_5'} == 1) {
1146: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1147: # $keywords = ' ' if (!$keywords);
1148: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1149: " </td>\n");
1150: }
1151: if ($hash{'display_attrs_6'} == 1) {
1152: my $lang = &Apache::lonnet::metadata($filelink,'language');
1153: $lang = &Apache::loncommon::languagedescription($lang);
1154: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1155: " </td>\n");
1156: }
1157: if ($hash{'display_attrs_8'} == 1) {
1158: $r->print('<td> </td>');
1159: }
1.115 www 1160: if ($hash{'display_attrs_10'} == 1) {
1.109 taceyjo1 1161: $r->print('<td> </td>');
1162: }
1.111 www 1163: if ($hash{'display_attrs_11'} == 1) {
1164: $r->print('<td> </td>');
1165: }
1.115 www 1166: if ($hash{'display_attrs_7'} == 1) {
1167: $r->print('<td> </td>');
1168: }
1.152 albertel 1169: $r->print('</tr>');
1.1 www 1170: }
1.2 harris41 1171:
1.1 www 1172: }
1173:
1.148 www 1174: sub coursecontext {
1175: my ($r,$filelink)=@_;
1176: my $filesymb=&Apache::lonnet::symbread($filelink);
1177: if ($filesymb) {
1178: my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
1179: $r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
1180: &Apache::lonnet::gettitle($resource),
1181: &Apache::lonnet::gettitle($map)));
1182: }
1183: }
1184:
1.140 www 1185: sub showpreview {
1186: my ($filelink)=@_;
1.151 albertel 1187: if ($filelink=~m-^(/ext/|http://)-) {
1.150 www 1188: return &mt('External Resource, preview not enabled');
1189: }
1.140 www 1190: my ($curfext)=($filelink=~/\.(\w+)$/);
1191: my $output='';
1192: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1193: if ($embstyle eq 'ssi') {
1194: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
1195: '.tmp';
1196: if ((!$env{'form.updatedisplay'}) &&
1197: (-e $cache)) {
1198: open(FH,$cache);
1199: $output=join("\n",<FH>);
1200: close(FH);
1201: } else {
1.147 www 1202: # In update display mode, remove old cache. This is done to retroactively
1203: # clean up course context renderings.
1204: if (-e $cache) {
1205: unlink($cache);
1206: }
1.140 www 1207: $output=&Apache::lonnet::ssi_body($filelink);
1.146 www 1208: # Is access denied? Don't render, don't store
1.140 www 1209: if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
1210: $output='';
1.146 www 1211: # Was this rendered in course content? Don't store
1212: } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140 www 1213: open(FH,">$cache");
1214: print FH $output;
1215: close(FH);
1216: }
1217: }
1218: $output='<font size="-2">'.$output.'</font>';
1219: } elsif ($embstyle eq 'img') {
1.152 albertel 1220: $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154 albertel 1221: } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152 albertel 1222: $output='<img alt="'.&mt('Preview').'" src="http://'.
1.157 albertel 1223: &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140 www 1224: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1225: }
1226: return $output;
1227: }
1228:
1.113 www 1229: sub dynmetaprint {
1230: my ($r,$filelink,$item)=@_;
1231: if ($dynhash{$filelink}->{$item}) {
1.114 www 1232: $r->print("\n<br />".$fieldnames{$item}.': '.
1.113 www 1233: &Apache::lonmeta::prettyprint($item,
1234: $dynhash{$filelink}->{$item},
1.145 www 1235: (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113 www 1236: '',
1.145 www 1237: (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113 www 1238: }
1239: }
1240:
1.14 harris41 1241: # ------------------- prints the beginning of a form for directory or file link
1.1 www 1242: sub begin_form {
1243: my ($r,$uri) = @_;
1.3 harris41 1244: my $anchor = $uri;
1245: $anchor =~ s/\///g;
1.17 harris41 1246: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1247: '#'.$anchor.
1248: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1249: ',document.forms.fileattr.acts.value)" '.
1.16 harris41 1250: 'enctype="application/x-www-form-urlencoded">'."\n");
1.131 albertel 1251: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17 harris41 1252: "\n");
1.131 albertel 1253: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.16 harris41 1254: $dnum++;
1.17 harris41 1255: }
1256:
1257: # --------- settings whenever the user causes the indexer window to be launched
1258: sub start_fresh_session {
1.149 albertel 1259: my ($hash) = @_;
1260: delete $hash->{'form.catalogmode'};
1261: delete $hash->{'form.mode'};
1262: delete $hash->{'form.form'};
1263: delete $hash->{'form.element'};
1264: delete $hash->{'form.omit'};
1265: delete $hash->{'form.only'};
1266: foreach (keys %{$hash}) {
1267: delete $hash->{$_} if (/^(pre_|store)/);
1.27 harris41 1268: }
1.1 www 1269: }
1270:
1.35 matthew 1271: # ------------------------------------------------------------------- setvalues
1272: sub setvalues {
1273: # setvalues is used in registerurl to synchronize the database
1274: # hash and environment hashes
1275: my ($H1,$h1key,$H2,$h2key) =@_;
1276: #
1277: if (exists $H2->{$h2key}) {
1278: $H1->{$h1key} = $H2->{$h2key};
1279: } elsif (exists $H1->{$h1key}) {
1280: $H2->{$h2key} = $H1->{$h1key};
1281: }
1282: }
1283:
1.1 www 1284: 1;
1.54 www 1285:
1286: sub cleanup {
1.55 www 1287: if (tied(%hash)){
1288: &Apache::lonnet::logthis('Cleanup indexer: hash');
1289: }
1.138 albertel 1290: return OK;
1.54 www 1291: }
1.23 harris41 1292:
1.126 foxr 1293:
1294:
1295:
1296:
1.23 harris41 1297: =head1 NAME
1298:
1299: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1300:
1301: =head1 SYNOPSIS
1302:
1303: Invoked by /etc/httpd/conf/srm.conf:
1304:
1305: <LocationMatch "^/res.*/$">
1306: SetHandler perl-script
1307: PerlHandler Apache::lonindexer
1308: </LocationMatch>
1309:
1310: =head1 INTRODUCTION
1311:
1312: This module enables a scheme of browsing across a cross server.
1313:
1314: This is part of the LearningOnline Network with CAPA project
1315: described at http://www.lon-capa.org.
1316:
1317: =head1 BEGIN SUBROUTINE
1318:
1319: This routine is only run once after compilation.
1320:
1321: =over 4
1322:
1323: =item *
1324:
1325: Initializes %language hash table.
1326:
1327: =back
1328:
1329: =head1 HANDLER SUBROUTINE
1330:
1331: This routine is called by Apache and mod_perl.
1332:
1333: =over 4
1334:
1335: =item *
1336:
1337: read in machine configuration variables
1338:
1339: =item *
1340:
1341: see if called from an interactive mode
1342:
1343: =item *
1344:
1345: refresh environment with user database values (in %hash)
1346:
1347: =item *
1348:
1349: define extra fields and buttons in case of special mode
1350:
1351: =item *
1352:
1353: set catalogmodefunctions to have extra needed javascript functionality
1354:
1355: =item *
1356:
1357: print header
1358:
1359: =item *
1360:
1361: evaluate actions from previous page (both cumulatively and chronologically)
1362:
1363: =item *
1364:
1365: output title
1366:
1367: =item *
1368:
1369: get state of file attributes to be showing
1370:
1371: =item *
1372:
1373: output state of file attributes to be showing
1374:
1375: =item *
1376:
1377: output starting row to the indexed file/directory hierarchy
1378:
1379: =item *
1380:
1381: read in what directories have previously been set to "open"
1382:
1383: =item *
1384:
1385: if not at top level, provide an uplink arrow
1386:
1387: =item *
1388:
1389: recursively go through all the directories and output as appropriate
1390:
1391: =item *
1392:
1393: information useful for group import
1394:
1395: =item *
1396:
1397: end the tables
1398:
1399: =item *
1400:
1401: end the output and return
1402:
1403: =back
1404:
1405: =head1 OTHER SUBROUTINES
1406:
1407: =over 4
1408:
1409: =item *
1410:
1411: scanDir - recursive scan of a directory
1412:
1413: =item *
1414:
1415: get_list - get complete matched list based on the uri (returns an array)
1416:
1417: =item *
1418:
1419: match_ext - filters out files based on extensions (returns an array)
1420:
1421: =item *
1422:
1423: display_line - displays one line in appropriate table format
1424:
1425: =item *
1426:
1427: begin_form - prints the beginning of a form for directory or file link
1428:
1429: =item *
1430:
1431: start_fresh_session - settings whenever the user causes the indexer window
1432: to be launched
1433:
1434: =back
1435:
1436: =cut
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