loncom/interface/londocs.pm - view

File: [LON-CAPA] / loncom / interface / londocs.pm
Revision 1.10: download - view: text, annotated - select for diffs
Mon Aug 26 12:44:45 2002 UTC (21 years, 10 months ago) by www
Branches: MAIN
CVS tags: HEAD

Further work on on-the-fly maps.

1: # The LearningOnline Network 2: # Documents 3: # 4: # $Id: londocs.pm,v 1.10 2002/08/26 12:44:45 www Exp $ 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. 14: # 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/ 27: # 28: 29: package Apache::londocs; 30: 31: use strict; 32: use Apache::Constants qw(:common); 33: use Apache::lonnet; 34: use Apache::loncommon; 35: use Apache::lonratedt; 36: use Apache::lonratsrv; 37: 38: my $iconpath; 39: 40: # Mapread read maps into lonratedt::global arrays 41: # @order and @resources, determines status 42: # sets @order - pointer to resources in right order 43: # sets @resources - array with the resources with correct idx 44: # 45: 46: sub mapread { 47: my ($coursenum,$coursedom,$map)=@_; 48: return 49: &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'. 50: $map); 51: } 52: 53: sub storemap { 54: my ($coursenum,$coursedom,$map)=@_; 55: return 56: &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'. 57: $map); 58: } 59: 60: sub editor { 61: my ($r,$coursenum,$coursedom,$folder,$allowed)=@_; 62: my $errtext=''; 63: my $fatal=0; 64: ($errtext,$fatal)= 65: &mapread($coursenum,$coursedom,$folder.'.sequence'); 66: if ($fatal) { 67: $r->print('<p><font color="red">'.$errtext.'</font></p>'); 68: } else { 69: # ------------------------------------------------------------ Process commands 70: if ($allowed) { 71: # upload a file, if present 72: if (($ENV{'form.uploaddoc.filename'}) && 73: ($ENV{'form.cmd'}=~/^upload_(\w+)/)) { 74: if ($folder=~/^$1/) { 75: # this is for a course, not a user, so set coursedoc flag 76: # probably the only place in the system where this should be "1" 77: my $url=&Apache::lonnet::userfileupload('uploaddoc',1); 78: my $ext='false'; 79: if ($url=~/^http\:\/\//) { $ext='true'; } 80: $url=~s/\:/\&colon;/g; 81: my $comment=$ENV{'form.comment'}; 82: $comment=~s/\</\&lt\;/g; 83: $comment=~s/\>/\&gt\;/g; 84: $comment=~s/\:/\&colon;/g; 85: my $newidx=$#Apache::lonratedt::resources+1; 86: $Apache::lonratedt::resources[$newidx]= 87: $comment.':'.$url.':'.$ext.':normal:res'; 88: $Apache::lonratedt::order[$#Apache::lonratedt::order+1]= 89: $newidx; 90: &storemap($coursenum,$coursedom,$folder.'.sequence'); 91: } 92: } 93: if ($ENV{'form.cmd'}) { 94: my ($cmd,$idx)=split(/\_/,$ENV{'form.cmd'}); 95: if ($cmd eq 'del') { 96: for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) { 97: $Apache::lonratedt::order[$i]= 98: $Apache::lonratedt::order[$i+1]; 99: } 100: $#Apache::lonratedt::order--; 101: } elsif ($cmd eq 'up') { 102: my $i=$Apache::lonratedt::order[$idx-1]; 103: $Apache::lonratedt::order[$idx-1]= 104: $Apache::lonratedt::order[$idx]; 105: $Apache::lonratedt::order[$idx]=$i; 106: } elsif ($cmd eq 'down') { 107: my $i=$Apache::lonratedt::order[$idx+1]; 108: $Apache::lonratedt::order[$idx+1]= 109: $Apache::lonratedt::order[$idx]; 110: $Apache::lonratedt::order[$idx]=$i; 111: } 112: # Store the changed version 113: &storemap($coursenum,$coursedom,$folder.'.sequence'); 114: } 115: } 116: # ---------------------------------------------------------------- Print screen 117: my $idx=0; 118: $r->print('<table>'); 119: foreach (@Apache::lonratedt::order) { 120: my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]); 121: unless ($name) { $name=(split(/\//,$url))[-1]; } 122: unless ($name) { $name='EMPTY'; } 123: $r->print(&entryline($idx,$name,$url,$folder,$allowed)); 124: $idx++; 125: } 126: $r->print('</table>'); 127: } 128: } 129: 130: # --------------------------------------------------------------- An entry line 131: 132: sub entryline { 133: my ($index,$title,$url,$folder,$allowed)=@_; 134: my $line='<tr>'; 135: # Edit commands 136: if ($allowed) { 137: $line.=(<<END); 138: <td><table border='0' cellspacing='0' cellpadding='0'> 139: <tr><td><a href='/adm/coursedocs?folder=$folder&cmd=up_$index'> 140: <img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr> 141: <tr><td><a href='/adm/coursedocs?folder=$folder&cmd=down_$index'> 142: <img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr> 143: </table></td><td> 144: <a href='/adm/coursedocs?folder=$folder&cmd=del_$index'>Remove</td> 145: END 146: } 147: # URL 148: if ($url=~/^\/*uploaded\//) { 149: $url=&Apache::lonnet::tokenwrapper($url); 150: } 151: $line.='<td><a href="'.$url.'">View</a></td>'; 152: # Title 153: $title=&Apache::lonnet::unescape($title); 154: if ($title=~ 155: /^(\d+)\_\_\_\&\&\&\_\_\_(\w+)\_\_\_\&\&\&\_\_\_(\w+)\_\_\_\&\&\&\_\_\_(.*)$/ 156: ) { $title='<i>'.localtime($1).'</i> '.$2.' at '.$3.': <br>'. 157: &Apache::lontexconvert::msgtexconverted($4); 158: } 159: $line.="<td>$title</td>"; 160: $line.='</tr>'; 161: return $line; 162: } 163: 164: # ================================================================ Main Handler 165: sub handler { 166: my $r = shift; 167: $r->content_type('text/html'); 168: $r->send_http_header; 169: return OK if $r->header_only; 170: 171: # is this a standard course? 172: 173: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['folder']); 174: my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//); 175: my $forcestandard=($ENV{'form.folder'}=~/^default_/); 176: my $forcesupplement=($ENV{'form.folder'}=~/^supplemental_/); 177: 178: # does this user have privileges to post, etc? 179: my $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}); 180: my $script=''; 181: if ($allowed) { 182: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']); 183: $script=&Apache::lonratedt::editscript('docs'); 184: } 185: 186: # get course data 187: my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; 188: my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; 189: 190: # graphics settings 191: 192: $iconpath = $r->dir_config('lonIconsURL') . "/"; 193: 194: # print screen 195: $r->print(<<ENDDOCUMENT); 196: <html> 197: <head> 198: <title>The LearningOnline Network with CAPA</title> 199: <script>$script</script> 200: </head> 201: ENDDOCUMENT 202: $r->print(&Apache::loncommon::bodytag('Course Documents')); 203: # --------------------------------------------------0------ Standard documents 204: if (($standard) && ($allowed) && (!$forcesupplement)) { 205: $r->print('<h2>Main Course Documents</h2>'); 206: my $folder=$ENV{'form.folder'}; 207: unless ($folder=~/^default/) { $folder='default'; } 208: &editor($r,$coursenum,$coursedom,$folder,$allowed); 209: $r->print(<<ENDFORM); 210: <h3>Post a new main course document</h3> 211: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data"> 212: <input type="file" name="uploaddoc" size="50"> 213: <br /> 214: Title: <input type="text" size="50" name="comment"> 215: <input type="hidden" name="folder" value="$folder"> 216: <input type="hidden" name="cmd" value="upload_default"> 217: <input type="submit" value="Upload Document"> 218: </form> 219: ENDFORM 220: $r->print('<hr />'); 221: } 222: # ----------------------------------------------------- Supplemental documents 223: if (!$forcestandard) { 224: $r->print('<h2>Supplemental Course Documents</h2>'); 225: my $folder=$ENV{'form.folder'}; 226: unless ($folder=~/supplemental/) { $folder='supplemental'; } 227: &editor($r,$coursenum,$coursedom,$folder,$allowed); 228: if ($allowed) { 229: $r->print(<<ENDSUPFORM); 230: <h3>Post a new supplemental course document</h3> 231: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data"> 232: <input type="file" name="uploaddoc" size="50"> 233: <br />Comment:<br /> 234: <textarea cols=50 rows=4 name='comment'> 235: </textarea> 236: <input type="hidden" name="folder" value="$folder"> 237: <input type="hidden" name="cmd" value="upload_supplemental"> 238: <input type="submit" value="Upload Document"> 239: </form> 240: ENDSUPFORM 241: } 242: } 243: 244: $r->print('</body></html>'); 245: return OK; 246: } 247: 248: 1; 249: __END__