1: # Copyright Michigan State University Board of Trustees
2: #
3: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
4: #
5: # LON-CAPA is free software; you can redistribute it and/or modify
6: # it under the terms of the GNU General Public License as published by
7: # the Free Software Foundation; either version 2 of the License, or
8: # (at your option) any later version.
9: #
10: # LON-CAPA is distributed in the hope that it will be useful,
11: # but WITHOUT ANY WARRANTY; without even the implied warranty of
12: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13: # GNU General Public License for more details.
14: #
15: # You should have received a copy of the GNU General Public License
16: # along with LON-CAPA; if not, write to the Free Software
17: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18: #
19: # /home/httpd/html/adm/gpl.txt
20: #
21: # http://www.lon-capa.org/
22: #
23:
24: package Apache::portfolio;
25: use strict;
26: use Apache::Constants qw(:common :http);
27: use Apache::loncommon;
28: use Apache::lonnet;
29: use Apache::lontexconvert;
30: use Apache::lonfeedback;
31: use Apache::lonlocal;
32:
33: # receives a file name and path stub from username/userfiles/portfolio/
34: # returns an anchor tag consisting encoding filename and currentpath
35: sub make_anchor {
36: my ($filename, $current_path) = @_;
37: my $anchor = '<a href="/adm/portfolio?selectfile='.$filename.'¤tpath='.$current_path.'">'.$filename.'</a>';
38: return $anchor;
39: }
40: my $dirptr=16384;
41: sub display_common {
42: my ($r,$current_path,$is_empty,$dir_list)=@_;
43: my $iconpath= $r->dir_config('lonIconsURL') . "/";
44: $r->print('<table border="0" cellspacing="2" cellpadding="2"><tr valign="middle">');
45: $r->print('<td bgcolor="#ccddaa" align="center">');
46: my $displayOut = '<form method="post" enctype="multipart/form-data">';
47: $displayOut .= '<input name="uploaddoc" type="file" />'.
48: '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
49: '<input type="hidden" name="action" value="'.$ENV{"form.action"}.'" />'.
50: '<input type="hidden" name="fieldname" value="'.$ENV{"form.fieldname"}.'" />'.
51: '<input type="submit" name="storeupl" value="Upload" />'.
52: '</form>';
53: $r->print($displayOut);
54: $r->print('</td></tr><tr><td bgcolor="#ccddaa" align="center">');
55: $displayOut = '<form method="post">';
56: $displayOut .= '<input name="newdir" type="input" />'.
57: '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
58: '<input type="hidden" name="action" value="'.$ENV{"form.action"}.'" />'.
59: '<input type="hidden" name="fieldname" value="'.$ENV{"form.fieldname"}.'" />'.
60: '<input type="submit" name="createdir" value="'.&mt("Create Directory").'" />'.
61: '</form>';
62: $r->print($displayOut);
63: $r->print('</td></tr></table>');
64: my @tree = split (/\//,$current_path);
65: $r->print('<font size="+2">'.&make_anchor('portfolio','/').'/');
66: if (@tree > 1){
67: my $newCurrentPath = '';
68: for (my $i = 1; $i< @tree; $i++){
69: $newCurrentPath .= $tree[$i].'/';
70: $r->print(&make_anchor($tree[$i],'/'.$newCurrentPath).'/');
71: }
72: }
73: $r->print('</font>');
74: &Apache::lonhtmlcommon::store_recent('portfolio',$current_path,$current_path);
75: #Fixme -- remove from recent those paths that are deleted
76: $r->print('<br /><form method=post action="/adm/portfolio">'.
77: &Apache::lonhtmlcommon::select_recent('portfolio','currentpath',
78: 'this.form.submit();'));
79: $r->print("</form>");
80: }
81: sub display_directory {
82: my ($r,$current_path,$is_empty,$dir_list)=@_;
83: my $iconpath= $r->dir_config('lonIconsURL') . "/";
84: my $display_out;
85: if ($is_empty && ($current_path ne '/')) {
86: $display_out = '<form method="post" action="/adm/portfolio">'.
87: '<input type="hidden" name="action" value="deletedir" />'.
88: '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
89: '<input type="hidden" name="selectfile" value="" />'.
90: '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
91: '</form>';
92:
93: $r->print($display_out);
94: return;
95: }
96: $r->print('<table border="0" cellspacing="2" cellpadding="2">'.
97: '<tr><th>Actions</th><th> </th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
98: my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio$current_path";
99: foreach my $line (sort
100: {
101: my ($afile)=split('&',$a,2);
102: my ($bfile)=split('&',$b,2);
103: return (lc($afile) cmp lc($bfile));
104: } (@$dir_list)) {
105: #$strip holds directory/file name
106: #$dom
107: my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
108: if (($filename ne '.') && ($filename ne '..')) {
109: if ($dirptr&$testdir) {
110: $r->print('<tr bgcolor="#FFAA99"><td><img src="'.$iconpath.'folder_closed.gif"></td>');
111: $r->print('<td>Go to ...</td>');
112: $r->print('<td>'.&make_anchor($filename.'/',$current_path.$filename.'/').'</td>');
113: $r->print('</tr>');
114: } else {
115: $r->print('<tr bgcolor="#CCCCFF">');
116: $r->print('<td>
117: <form method="post" action="/adm/portfolio">
118: <select name="action">
119: <option value=""></option>
120: <option value="delete">'.&mt("Delete").'</option>
121: <option value="rename">'.&mt("Rename").'</option>
122: </select>
123: <input type="submit" name="doit" value="Go" />
124: <input type="hidden" name="selectfile" value="'.$filename.'" />
125: <input type="hidden" name="currentpath" value="'.$current_path.'" />
126: </form>
127: </td>');
128: $r->print('<td><img src="'.$iconpath.'unknown.gif"></td>');
129: $r->print('<td><a href="'.$href_location.$filename.'">'.
130: $filename.'</a></td>');
131: $r->print('<td>'.$size.'</td>');
132: $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
133: $r->print('</tr>');
134: }
135: }
136: }
137: # <tr bgcolor="#FFAA99"> pink bg
138: # <tr bgcolor="#CCCCFF"> blue bg
139: # $r->print(&display_directory($current_path, $currentFile, @dir_list));
140: # $r->print('</td>><td>');
141: # $r->print(&display_actions($current_path, $currentFile, $isEmpty));
142: $r->print('</table></form>');
143: }
144: sub display_file_select {
145: my ($r,$current_path,$is_empty,$dir_list)=@_;
146: my $iconpath= $r->dir_config('lonIconsURL') . "/";
147: my $display_out;
148: if ($is_empty && ($current_path ne '/')) {
149: $display_out = '<form method="post" action="/adm/portfolio">'.
150: '<input type="hidden" name="action" value="deletedir" />'.
151: '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
152: '<input type="hidden" name="selectfile" value="" />'.
153: '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
154:
155: '</form>';
156:
157: $r->print($display_out);
158: return;
159: }
160: $r->print('<table border="0" cellspacing="2" cellpadding="2">'.
161: '<tr><th>Select</th><th> </th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
162: my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio$current_path";
163: $r->print('<form method="post" name="checkselect" action="/adm/portfolio">');
164: foreach my $line (sort
165: {
166: my ($afile)=split('&',$a,2);
167: my ($bfile)=split('&',$b,2);
168: return (lc($afile) cmp lc($bfile));
169: } (@$dir_list)) {
170: #$strip holds directory/file name
171: #$dom
172: my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
173: if (($filename ne '.') && ($filename ne '..')) {
174: if ($dirptr&$testdir) {
175: $r->print('<tr bgcolor="#FFAA99"><td><img src="'.$iconpath.'folder_closed.gif"></td>');
176: $r->print('<td>Go to ...</td>');
177: $r->print('<td>'.&make_anchor($filename.'/',$current_path.$filename.'/').'</td>');
178: $r->print('</tr>');
179: } else {
180: $r->print('<tr bgcolor="#CCCCFF">');
181: $r->print('<td>
182: <input type="checkbox" name="selectedfile" value="'.$filename.'" >
183: </td>');
184: $r->print('<td><img src="'.$iconpath.'unknown.gif"></td>');
185: $r->print('<td><a href="'.$href_location.$filename.'">'.
186: $filename.'</a></td>');
187: $r->print('<td>'.$size.'</td>');
188: $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
189: $r->print('</tr>');
190: }
191: }
192: }
193: $r->print('</table>
194: <input type="button" name="doit" onClick= "finishSelect();" value="Select checked files, and close window" />
195: <input type="hidden" name="currentpath" value="'.$current_path.'" />
196: </form>');
197: }
198:
199: sub open_form {
200: my ($r)=@_;
201: $r->print('<form method="post" action="/adm/portfolio">');
202: $r->print('<input type="hidden" name="action" value="'.
203: $ENV{'form.action'}.'" />');
204: $r->print('<input type="hidden" name="confirmed" value="1" />');
205: $r->print('<input type="hidden" name="selectfile" value="'.
206: $ENV{'form.selectfile'}.'" />');
207: $r->print('<input type="hidden" name="currentpath" value="'.
208: $ENV{'form.currentpath'}.'" />');
209: }
210:
211: sub close_form {
212: my ($r)=@_;
213: $r->print('<p><input type="submit" value="'.&mt('Continue').
214: '" /></p></form>');
215: $r->print('<form action="/adm/portfolio" method="POST">
216: <p>
217: <input type="hidden" name="currentpath" value="'.
218: $ENV{'form.currentpath'}.'" />
219: <input type="submit" value="'.&mt('Cancel').'" />
220: </p></form>');
221:
222: }
223:
224: sub display_file {
225: my ($path,$filename)=@_;
226: if (!defined($path)) { $path=$ENV{'form.currentpath'}; }
227: if (!defined($filename)) { $filename=$ENV{'form.selectfile'}; }
228: return '<tt>'.$path.$filename.'</tt>';
229: }
230:
231: sub done {
232: return ('<h3><a href="/adm/portfolio?currentpath='.
233: $ENV{'form.currentpath'}.
234: '&fieldname='.$ENV{'form.fieldname'}.
235: '">'.&mt('Done').'</a></h3>');
236: }
237:
238: sub delete {
239: my ($r)=@_;
240: &open_form($r);
241: $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
242: &close_form($r);
243: }
244:
245: sub delete_confirmed {
246: my ($r)=@_;
247: my $result=&Apache::lonnet::removeuserfile($ENV{'user.name'},
248: $ENV{'user.domain'},'portfolio'.
249: $ENV{'form.currentpath'}.
250: $ENV{'form.selectfile'});
251: if ($result ne 'ok') {
252: $r->print('<font color="red"> An error occured ('.$result.
253: ') while trying to delete '.&display_file().'</font><br />');
254: }
255: $r->print(&done());
256: }
257:
258: sub delete_dir {
259: my ($r)=@_;
260: &open_form($r);
261: $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
262: &close_form($r);
263: }
264:
265: sub delete_dir_confirmed {
266: my ($r)=@_;
267: my $directory_name = $ENV{'form.currentpath'};
268: $directory_name =~ m/\/$/;
269: $directory_name = $`;
270: my $result=&Apache::lonnet::removeuserfile($ENV{'user.name'},
271: $ENV{'user.domain'},'portfolio'.
272: $directory_name);
273:
274: if ($result ne 'ok') {
275: $r->print('<font color="red"> An error occured (dir) ('.$result.
276: ') while trying to delete '.$directory_name.'</font><br />');
277: } else {
278: # now remove from recent
279: # $r->print('<br /> removing '.$directory_name.'<br /');
280: &Apache::lonhtmlcommon::remove_recent('portfolio',[$directory_name.'/']);
281: my @dirs = split m!/!, $directory_name;
282:
283: # $directory_name =~ m/^(\/*\/)(\/*.)$/;
284: $directory_name='/';
285: for (my $i=1; $i < (@dirs - 1); $i ++){
286: $directory_name .= $dirs[$i].'/';
287: }
288: $ENV{'form.currentpath'} = $directory_name;
289: }
290: $r->print(&done());
291: }
292:
293: sub rename {
294: my ($r)=@_;
295: &open_form($r);
296: $r->print('<p>'.&mt('Rename').' '.&display_file().' to
297: <input name="filenewname" type="input" size="50" />?</p>');
298: &close_form($r);
299: }
300:
301: sub rename_confirmed {
302: my ($r)=@_;
303: my $filenewname=&Apache::lonnet::clean_filename($ENV{'form.filenewname'});
304: if ($filenewname eq '') {
305: $r->print('<font color="red">'.
306: &mt("Error: no valid filename was provided to rename to.").
307: '</font><br />');
308: $r->print(&done());
309: return;
310: }
311: my $result=
312: &Apache::lonnet::renameuserfile($ENV{'user.name'},$ENV{'user.domain'},
313: 'portfolio'.$ENV{'form.currentpath'}.$ENV{'form.selectfile'},
314: 'portfolio'.$ENV{'form.currentpath'}.$ENV{'form.filenewname'});
315: if ($result ne 'ok') {
316: $r->print('<font color="red"> An errror occured ('.$result.
317: ') while trying to rename '.&display_file().' to '.
318: &display_file(undef,$filenewname).'</font><br />');
319: }
320: $r->print(&done());
321: }
322: sub select_files {
323: my ($r)=@_;
324: my $java_script =(<<ENDSMP);
325: <script language='javascript'>
326: function finishSelect() {
327: fileList = "";
328: for (i=0;i<document.forms.checkselect.length;i++) {
329: if (document.forms.checkselect[i].checked){
330: fileList = fileList + document.forms.checkselect[i].value + "," ;
331: }
332: }
333: opener.document.forms.lonhomework.
334: ENDSMP
335: $java_script .= $ENV{'form.fieldname'};
336: $java_script .= (<<ENDSMP);
337: .value=fileList;
338: self.close();
339: }
340: </script>
341: ENDSMP
342: $r->print($java_script);
343: $r->print("<h1>Select portfolio files</h1>
344: Check as many as you wish in response to the essay problem.<br />");
345: }
346: sub upload {
347: my ($r)=@_;
348: my $fname=$ENV{'form.uploaddoc.filename'};
349: my $filesize = (length($ENV{'form.uploaddoc'})) / 1000; #express in k (1024?)
350: my $disk_quota = 20000; # expressed in k
351: $fname=&Apache::lonnet::clean_filename($fname);
352: my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
353: $ENV{'user.name'}).
354: '/userfiles/portfolio';
355: # Fixme --- Move the checking for existing file to LOND error return
356: my @dir_list=&Apache::lonnet::dirlist($ENV{'form.currentpath'},
357: $ENV{'user.domain'},
358: $ENV{'user.name'},$portfolio_root);
359: my $found_file = 0;
360: foreach my $line (@dir_list) {
361: my ($filename)=split(/\&/,$line,2);
362: if ($filename eq $fname){
363: $found_file = 1;
364: }
365: }
366: my $current_disk_usage = &Apache::lonnet::diskusage($ENV{'user.domain'}, $ENV{'user.name'},$portfolio_root);
367: if (($current_disk_usage + $filesize) > $disk_quota){
368: $r->print('<font color="red">Unable to upload <strong>'.$fname.' (size = '.$filesize.' kilobytes</strong>. Disk quota will be exceeded.'.
369: '<br />Disk quota is '.$disk_quota.' kilobytes. Your current disk usage is '.$current_disk_usage.' kilobytes.');
370: }
371: elsif ($found_file){
372: $r->print('<font color="red">Unable to upload <strong>'.$fname.'</strong>, a file by that name was found in <strong>'.$ENV{'form.currentpath'}.'</strong></font>'.
373: '<br />To upload, rename or delete existing '.$fname.' in '.$ENV{'form.currentpath'});
374: } else {
375: my $result=&Apache::lonnet::userfileupload('uploaddoc','',
376: 'portfolio'.$ENV{'form.currentpath'});
377: if ($result !~ m|^/uploaded/|) {
378: $r->print('<font color="red"> An errror occured ('.$result.
379: ') while trying to upload '.&display_file().'</font><br />');
380: }
381: }
382: $r->print(&done());
383: }
384:
385: sub createdir {
386: my ($r)=@_;
387: my $newdir=&Apache::lonnet::clean_filename($ENV{'form.newdir'});
388: if ($newdir eq '') {
389: $r->print('<font color="red">'.
390: &mt("Error: no directory name was provided.").
391: '</font><br />');
392: $r->print(&done());
393: return;
394: }
395: my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
396: $ENV{'user.name'}).
397: '/userfiles/portfolio';
398: my @dir_list=&Apache::lonnet::dirlist($ENV{'form.currentpath'},
399: $ENV{'user.domain'},
400: $ENV{'user.name'},$portfolio_root);
401: my $found_file = 0;
402: foreach my $line (@dir_list) {
403: my ($filename)=split(/\&/,$line,2);
404: if ($filename eq $newdir){
405: $found_file = 1;
406: }
407: }
408: if ($found_file){
409: $r->print('<font color="red"> Unable to create a directory named <strong>'.$newdir.
410: ' </strong>a file or directory by that name already exists.</font><br />');
411: } else {
412: my $result=&Apache::lonnet::mkdiruserfile($ENV{'user.name'},
413: $ENV{'user.domain'},'portfolio'.$ENV{'form.currentpath'}.$newdir);
414: if ($result ne 'ok') {
415: $r->print('<font color="red"> An errror occured ('.$result.
416: ') while trying to create a new directory '.&display_file().'</font><br />');
417: }
418: }
419: $r->print(&done());
420: }
421:
422: sub handler {
423: # this handles file management
424: my $r = shift;
425: my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
426: $ENV{'user.name'}).
427: '/userfiles/portfolio';
428: &Apache::loncommon::no_cache($r);
429: &Apache::loncommon::content_type($r,'text/html');
430: $r->send_http_header;
431: # Give the LON-CAPA page header
432: $r->print('<html><head><title>'.
433: &mt('Portfolio Manager').
434: "</title></head>\n".
435: &Apache::loncommon::bodytag('Portfolio Manager'));
436: $r->rflush();
437: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
438: ['selectfile','currentpath',
439: 'currentfile','action','fieldname','mode']);
440: if (($ENV{'form.storeupl'} eq 'Upload') & (!$ENV{'form.uploaddoc.filename'})){
441: $r->print('<font color="red"> No file was selected to upload.'.
442: 'To upload a file, click <strong>Browse...</strong>'.
443: ', select a file, then click <strong>Upload</strong>,</font>');
444: }
445: if ($ENV{'form.uploaddoc.filename'}) {
446: &upload($r);
447: } elsif ($ENV{'form.action'} eq 'delete' && $ENV{'form.confirmed'}) {
448: &delete_confirmed($r);
449: } elsif ($ENV{'form.action'} eq 'delete') {
450: &delete($r);
451: } elsif ($ENV{'form.action'} eq 'deletedir' && $ENV{'form.confirmed'}) {
452: &delete_dir_confirmed($r);
453: } elsif ($ENV{'form.action'} eq 'deletedir'){
454: &delete_dir($r);
455: } elsif ($ENV{'form.action'} eq 'rename' && $ENV{'form.confirmed'}) {
456: &rename_confirmed($r);
457: } elsif ($ENV{'form.action'} eq 'rename') {
458: &rename($r);
459: } elsif ($ENV{'form.createdir'}) {
460: &createdir($r);
461: } else {
462: my $current_path='/';
463: if ($ENV{'form.currentpath'}) {
464: $current_path = $ENV{'form.currentpath'};
465: }
466: my @dir_list=&Apache::lonnet::dirlist($current_path,
467: $ENV{'user.domain'},
468: $ENV{'user.name'},$portfolio_root);
469: if ($dir_list[0] eq 'no_such_dir'){
470: # two main reasons for this:
471: # 1) never been here, so directory structure not created
472: # 2) back-button navigation after deleting a directory
473: if ($current_path eq '/'){
474: &Apache::lonnet::mkdiruserfile($ENV{'user.name'},
475: $ENV{'user.domain'},'portfolio');
476: } else {
477: # some directory that snuck in get rid of the directory
478: # from the recent pulldown, just in case
479: &Apache::lonhtmlcommon::remove_recent('portfolio',
480: [$current_path]);
481: $current_path = '/'; # force it back to the root
482: }
483: # now grab the directory list again, for the first time
484: @dir_list=&Apache::lonnet::dirlist($current_path,
485: $ENV{'user.domain'},
486: $ENV{'user.name'},$portfolio_root);
487: }
488: # need to know if directory is empty so it can be removed if desired
489: my $is_empty=(@dir_list == 2);
490: &display_common($r,$current_path,$is_empty,\@dir_list);
491: if ($ENV{"form.mode"} eq 'selectfile'){
492: &select_files($r);
493: &display_file_select($r,$current_path,$is_empty,\@dir_list);
494: } else {
495: &display_directory($r,$current_path,$is_empty,\@dir_list);
496: }
497: $r->print("</body>\n</html>\n");
498: return OK;
499: }
500: }
501: 1;
502: __END__
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