1: # The LearningOnline Network
2: # Documents
3: #
4: # $Id: londocs.pm,v 1.17 2002/09/04 14:50:53 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: use Apache::lonxml;
38:
39: my $iconpath;
40:
41: # Mapread read maps into lonratedt::global arrays
42: # @order and @resources, determines status
43: # sets @order - pointer to resources in right order
44: # sets @resources - array with the resources with correct idx
45: #
46:
47: sub mapread {
48: my ($coursenum,$coursedom,$map)=@_;
49: return
50: &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
51: $map);
52: }
53:
54: sub storemap {
55: my ($coursenum,$coursedom,$map)=@_;
56: return
57: &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
58: $map,1);
59: }
60:
61: sub editor {
62: my ($r,$coursenum,$coursedom,$folder,$allowed)=@_;
63: if ($ENV{'form.foldername'}) {
64: $r->print('<h3>Folder: '.$ENV{'form.foldername'}.'</h3>');
65: }
66: my $errtext='';
67: my $fatal=0;
68: ($errtext,$fatal)=
69: &mapread($coursenum,$coursedom,$folder.'.sequence');
70: if ($#Apache::lonratedt::order<1) {
71: $Apache::lonratedt::order[0]=1;
72: $Apache::lonratedt::resources[1]='';
73: }
74: if ($fatal) {
75: $r->print('<p><font color="red">'.$errtext.'</font></p>');
76: } else {
77: # ------------------------------------------------------------ Process commands
78: # ---------------- if they are for this folder and user allowed to make changes
79: if (($allowed) && ($ENV{'form.folder'} eq $folder)) {
80: # upload a file, if present
81: if (($ENV{'form.uploaddoc.filename'}) &&
82: ($ENV{'form.cmd'}=~/^upload_(\w+)/)) {
83: if ($folder=~/^$1/) {
84: # this is for a course, not a user, so set coursedoc flag
85: # probably the only place in the system where this should be "1"
86: my $url=&Apache::lonnet::userfileupload('uploaddoc',1);
87: my $ext='false';
88: if ($url=~/^http\:\/\//) { $ext='true'; }
89: $url=~s/\:/\:/g;
90: my $comment=$ENV{'form.comment'};
91: $comment=~s/\</\<\;/g;
92: $comment=~s/\>/\>\;/g;
93: $comment=~s/\:/\:/g;
94: if ($folder=~/^supplemental/) {
95: $comment=time.'___&&&___'.$ENV{'user.name'}.'___&&&___'.
96: $ENV{'user.domain'}.'___&&&___'.$comment;
97: }
98: my $newidx=$#Apache::lonratedt::resources+1;
99: $Apache::lonratedt::resources[$newidx]=
100: $comment.':'.$url.':'.$ext.':normal:res';
101: $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=
102: $newidx;
103: &storemap($coursenum,$coursedom,$folder.'.sequence');
104: }
105: }
106: if ($ENV{'form.cmd'}) {
107: my ($cmd,$idx)=split(/\_/,$ENV{'form.cmd'});
108: if ($cmd eq 'del') {
109: for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
110: $Apache::lonratedt::order[$i]=
111: $Apache::lonratedt::order[$i+1];
112: }
113: $#Apache::lonratedt::order--;
114: } elsif ($cmd eq 'up') {
115: my $i=$Apache::lonratedt::order[$idx-1];
116: $Apache::lonratedt::order[$idx-1]=
117: $Apache::lonratedt::order[$idx];
118: $Apache::lonratedt::order[$idx]=$i;
119: } elsif ($cmd eq 'down') {
120: my $i=$Apache::lonratedt::order[$idx+1];
121: $Apache::lonratedt::order[$idx+1]=
122: $Apache::lonratedt::order[$idx];
123: $Apache::lonratedt::order[$idx]=$i;
124: }
125: # Store the changed version
126: &storemap($coursenum,$coursedom,$folder.'.sequence');
127: }
128: # Group import/search
129: if ($ENV{'form.importdetail'}) {
130: foreach (split(/\&/,$ENV{'form.importdetail'})) {
131: if (defined($_)) {
132: my ($name,$url)=split(/\=/,$_);
133: $name=&Apache::lonnet::unescape($name);
134: $url=&Apache::lonnet::unescape($url);
135: if ($url) {
136: my $idx=$#Apache::lonratedt::resources+1;
137: $Apache::lonratedt::order
138: [$#Apache::lonratedt::order+1]=$idx;
139: my $ext='false';
140: if ($url=~/^http\:\/\//) { $ext='true'; }
141: $url=~s/\:/\:/g;
142: $Apache::lonratedt::resources[$idx]=
143: $name.':'.$url.':'.$ext.':normal:res';
144: }
145: }
146: }
147: # Store the changed version
148: &storemap($coursenum,$coursedom,$folder.'.sequence');
149: }
150: }
151: # ---------------------------------------------------------------- End commands
152: # ---------------------------------------------------------------- Print screen
153: my $idx=0;
154: $r->print('<table>');
155: foreach (@Apache::lonratedt::order) {
156: my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]);
157: unless ($name) { $name=(split(/\//,$url))[-1]; }
158: unless ($name) { $name='EMPTY'; }
159: $r->print(&entryline($idx,$name,$url,$folder,$allowed));
160: $idx++;
161: }
162: $r->print('</table>');
163: }
164: }
165:
166: # --------------------------------------------------------------- An entry line
167:
168: sub entryline {
169: my ($index,$title,$url,$folder,$allowed)=@_;
170: my $line='<tr>';
171: # Edit commands
172: if ($allowed) {
173: $line.=(<<END);
174: <td><table border='0' cellspacing='0' cellpadding='0'>
175: <tr><td><a href='/adm/coursedocs?folder=$folder&cmd=up_$index'>
176: <img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr>
177: <tr><td><a href='/adm/coursedocs?folder=$folder&cmd=down_$index'>
178: <img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr>
179: </table></td><td>
180: <a href='/adm/coursedocs?folder=$folder&cmd=del_$index'>Remove</td>
181: END
182: }
183: # Figure out what kind of a resource this is
184: my ($extension)=($url=~/\.(\w+)$/);
185: my $uploaded=($url=~/^\/*uploaded\//);
186: my $icon='unknown';
187: if (-e "/home/httpd/html/adm/lonIcons/$extension.gif") {
188: $icon=$extension;
189: }
190: my $isfolder=0;
191: if ($uploaded) {
192: if ($extension eq 'sequence') {
193: $icon='folder_closed';
194: $url=~/\/(\w+)\.sequence/;
195: $url='/adm/coursedocs?folder='.$1;
196: $isfolder=1;
197: } else {
198: $url=&Apache::lonnet::tokenwrapper($url);
199: }
200: }
201: # Title
202: $title=&Apache::lonnet::unescape($title);
203: my $foldertitle=$title;
204: if ($title=~
205: /^(\d+)\_\_\_\&\&\&\_\_\_(\w+)\_\_\_\&\&\&\_\_\_(\w+)\_\_\_\&\&\&\_\_\_(.*)$/
206: ) {
207: $foldertitle=&Apache::lontexconvert::msgtexconverted($4);
208: $title='<i>'.localtime($1).'</i> '.
209: &Apache::loncommon::plainname($2,$3).': <br>'.
210: $foldertitle;
211: }
212: if ($isfolder) { $url.='&foldername='.$foldertitle; }
213: $line.='<td bgcolor="#FFFFBB"><a href="'.$url.'"><img src="/adm/lonIcons/'.
214: $icon.'.gif" border="0"></a></td>'.
215: "<td bgcolor='#FFFFBB'><a href='$url'>$title</a></td></tr>";
216: return $line;
217: }
218:
219: # ================================================================ Main Handler
220: sub handler {
221: my $r = shift;
222: $r->content_type('text/html');
223: $r->send_http_header;
224: return OK if $r->header_only;
225:
226: # is this a standard course?
227:
228: my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//);
229: my $forcestandard;
230: my $forcesupplement;
231: my $script='';
232: my $allowed;
233: my $events='';
234: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
235: ['folder','foldername','showdoc']);
236: unless ($ENV{'form.showdoc'}) { # got called from remote
237: $forcestandard=($ENV{'form.folder'}=~/^default_/);
238: $forcesupplement=($ENV{'form.folder'}=~/^supplemental_/);
239:
240: # does this user have privileges to post, etc?
241: $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
242: if ($allowed) {
243: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
244: $script=&Apache::lonratedt::editscript('simple');
245: }
246: } else { # got called in sequence from course
247: $allowed=0;
248: $forcestandard=1;
249: $forcesupplement=0;
250: $script=&Apache::&Apache::lonxml::registerurl(1,undef);
251: $events='onLoad="'.&Apache::lonxml::loadevents.
252: '" onUnload="'.&Apache::lonxml::unloadevents.'"';
253: }
254:
255: # get course data
256: my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
257: my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
258:
259: # get personal data
260:
261: my $uname=$ENV{'user.name'};
262: my $udom=$ENV{'user.domain'};
263: my $plainname=&Apache::lonnet::escape(
264: &Apache::loncommon::plainname($uname,$udom));
265:
266: # graphics settings
267:
268: $iconpath = $r->dir_config('lonIconsURL') . "/";
269:
270: # print screen
271: $r->print(<<ENDDOCUMENT);
272: <html>
273: <head>
274: <title>The LearningOnline Network with CAPA</title>
275: <script>
276: $script
277:
278: function makenewfolder(targetform,folderseq) {
279: var foldername=prompt('Name of New Folder','New Folder');
280: if (foldername) {
281: targetform.importdetail.value=foldername+"="+folderseq;
282: targetform.submit();
283: }
284: }
285:
286: function makenewext(targetform) {
287: }
288: </script>
289: </head>
290: ENDDOCUMENT
291: $r->print(&Apache::loncommon::bodytag('Course Documents','',$events));
292: # --------------------------------------------------------- Standard documents
293: if (($standard) && ($allowed) && (!$forcesupplement)) {
294: $r->print('<h2>Main Course Documents</h2>');
295: my $folder=$ENV{'form.folder'};
296: unless ($folder=~/^default/) { $folder='default'; }
297: &editor($r,$coursenum,$coursedom,$folder,$allowed);
298: my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
299: '.sequence';
300: $r->print(<<ENDFORM);
301: <table cellspacing=2><tr>
302: <th bgcolor="#DDDDDD">Upload a new main course document</th>
303: <th bgcolor="#DDDDDD">Import a published document</th>
304: <th bgcolor="#DDDDDD">Special documents</th>
305: </tr>
306: <tr><td bgcolor="#DDDDDD">
307: File:<br />
308: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
309: <input type="file" name="uploaddoc" size="50">
310: <br />
311: Title:<br />
312: <input type="text" size="50" name="comment">
313: <input type="hidden" name="folder" value="$folder">
314: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
315: <input type="hidden" name="cmd" value="upload_default">
316: <input type="submit" value="Upload Document">
317: </form>
318: </td>
319: <td bgcolor="#DDDDDD">
320: <form action="/adm/coursedocs" method="post" name="simpleedit">
321: <input type="hidden" name="folder" value="$folder">
322: <input type=hidden name="importdetail" value="">
323: <input type=button onClick=
324: "javascript:groupsearch()" value="Search">
325: <input type=button onClick=
326: "javascript:groupimport();" value="Import">
327: </form>
328: </td><td bgcolor="#DDDDDD">
329: <form action="/adm/coursedocs" method="post" name="newfolder">
330: <input type="hidden" name="folder" value="$folder">
331: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
332: <input type=hidden name="importdetail" value="">
333: <input name="newfolder" type="button"
334: onClick="javascript:makenewfolder(this.form,'$folderseq');"
335: value="New Folder" />
336: </form>
337: <form action="/adm/coursedocs" method="post" name="newext">
338: <input type="hidden" name="folder" value="$folder">
339: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
340: <input type=hidden name="importdetail" value="">
341: <input name="newext" type="button" onClick="javascript:makenewext(this.form);"
342: value="External Resource" />
343: </form>
344: <form action="/adm/coursedocs" method="post" name="newsyl">
345: <input type="hidden" name="folder" value="$folder">
346: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
347: <input type=hidden name="importdetail"
348: value="Syllabus=/public/$coursedom/$coursenum/syllabus">
349: <input name="newsyl" type="submit" value="Syllabus" />
350: </form>
351: <form action="/adm/coursedocs" method="post" name="newnav">
352: <input type=hidden name="importdetail"
353: value="Navigate Content=/adm/navmaps">
354: <input name="newsyl" type="submit" value="Navigate Content" />
355: </form>
356: <form action="/adm/coursedocs" method="post" name="newaboutme">
357: <input type="hidden" name="folder" value="$folder">
358: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
359: <input type=hidden name="importdetail"
360: value="$plainname=/adm/$udom/$uname/aboutme">
361: <input name="newaboutme" type="submit" value="My Personal Info" />
362: </form>
363: </td></tr>
364: </table>
365: ENDFORM
366: $r->print('<hr />');
367: }
368: # ----------------------------------------------------- Supplemental documents
369: if (!$forcestandard) {
370: $r->print('<h2>Supplemental Course Documents</h2>');
371: my $folder=$ENV{'form.folder'};
372: unless ($folder=~/supplemental/) { $folder='supplemental'; }
373: &editor($r,$coursenum,$coursedom,$folder,$allowed);
374: if ($allowed) {
375: my $folderseq=
376: '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
377: '.sequence';
378:
379: $r->print(<<ENDSUPFORM);
380: <table cellspacing=2><tr>
381: <th bgcolor="#DDDDDD">Upload a new supplemental course document</th>
382: <th bgcolor="#DDDDDD">Import a published document</th>
383: <th bgcolor="#DDDDDD">Special documents</th>
384: </tr>
385: <tr><td bgcolor="#DDDDDD">
386: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
387: <input type="file" name="uploaddoc" size="50">
388: <br />Comment:<br />
389: <textarea cols=50 rows=4 name='comment'>
390: </textarea>
391: <input type="hidden" name="folder" value="$folder">
392: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
393: <input type="hidden" name="cmd" value="upload_supplemental">
394: <input type="submit" value="Upload Document">
395: </form>
396: </td>
397: <td bgcolor="#DDDDDD">
398: <form action="/adm/coursedocs" method="post" name="simpleedit">
399: <input type="hidden" name="folder" value="$folder">
400: <input type=hidden name="importdetail" value="">
401: <input type=button onClick=
402: "javascript:groupsearch()" value="Search">
403: <input type=button onClick=
404: "javascript:groupimport();" value="Import">
405: </form>
406: </td><td bgcolor="#DDDDDD">
407: <form action="/adm/coursedocs" method="post" name="newfolder">
408: <input type="hidden" name="folder" value="$folder">
409: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
410: <input type=hidden name="importdetail" value="">
411: <input name="newfolder" type="button"
412: onClick="javascript:makenewfolder(this.form,'$folderseq');"
413: value="New Folder" />
414: </form>
415: <form action="/adm/coursedocs" method="post" name="newext">
416: <input type="hidden" name="folder" value="$folder">
417: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
418: <input type=hidden name="importdetail" value="">
419: <input name="newext" type="button" onClick="javascript:makenewext(this.form);"
420: value="External Resource" />
421: </form>
422: <form action="/adm/coursedocs" method="post" name="newsyl">
423: <input type="hidden" name="folder" value="$folder">
424: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
425: <input type=hidden name="importdetail"
426: value="Syllabus=/public/$coursedom/$coursenum/syllabus">
427: <input name="newsyl" type="submit" value="Syllabus" />
428: </form>
429: <form action="/adm/coursedocs" method="post" name="newaboutme">
430: <input type="hidden" name="folder" value="$folder">
431: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
432: <input type=hidden name="importdetail"
433: value="$plainname=/adm/$udom/$uname/aboutme">
434: <input name="newaboutme" type="submit" value="My Personal Info" />
435: </form>
436: </td></tr>
437: </table>
438: ENDSUPFORM
439: }
440: }
441:
442: $r->print('</body></html>');
443: return OK;
444: }
445:
446: 1;
447: __END__
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