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 = $displayOut.'<input name="uploaddoc" type="file" />'.
48: '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
49: '<input type="submit" name="storeupl" value="Upload" />'.
50: '</form>';
51: $r->print($displayOut);
52: $r->print('</td></tr><tr><td bgcolor="#ccddaa" align="center">');
53: $displayOut = '<form method="post">';
54: $displayOut .= '<input name="newdir" type="input" />'.
55: '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
56: '<input type="submit" name="createdir" value="'.&mt("Create Directory").'" />'.
57: '</form>';
58: $r->print($displayOut);
59: $r->print('</td></tr></table>');
60: my @tree = split (/\//,$current_path);
61: $r->print('<font size="+2">'.&make_anchor('portfolio','/').'/');
62: if (@tree > 1){
63: my $newCurrentPath = '';
64: for (my $i = 1; $i< @tree; $i++){
65: $newCurrentPath .= $tree[$i].'/';
66: $r->print(&make_anchor($tree[$i],'/'.$newCurrentPath).'/');
67: }
68: }
69: $r->print('</font>');
70: &Apache::lonhtmlcommon::store_recent('portfolio',$current_path,$current_path);
71: #Fixme -- remove from recent those paths that are deleted
72: $r->print('<br /><form method=post action="/adm/portfolio">'.
73: &Apache::lonhtmlcommon::select_recent('portfolio','currentpath',
74: 'this.form.submit();'));
75: $r->print("</form>");
76: }
77: sub display_directory {
78: my ($r,$current_path,$is_empty,$dir_list)=@_;
79: my $iconpath= $r->dir_config('lonIconsURL') . "/";
80: my $display_out;
81: if ($is_empty && ($current_path ne '/')) {
82: $display_out = '<form method="post" action="/adm/portfolio">'.
83: '<input type="hidden" name="action" value="deletedir" />'.
84: '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
85: '<input type="hidden" name="selectfile" value="" />'.
86: '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
87: '</form>';
88:
89: $r->print($display_out);
90: return;
91: }
92: $r->print('<table border="0" cellspacing="2" cellpadding="2">'.
93: '<tr><th>Actions</th><th> </th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
94: my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio$current_path";
95: foreach my $line (sort
96: {
97: my ($afile)=split('&',$a,2);
98: my ($bfile)=split('&',$b,2);
99: return (lc($afile) cmp lc($bfile));
100: } (@$dir_list)) {
101: #$strip holds directory/file name
102: #$dom
103: my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
104: if (($filename ne '.') && ($filename ne '..')) {
105: if ($dirptr&$testdir) {
106: $r->print('<tr bgcolor="#FFAA99"><td><img src="'.$iconpath.'folder_closed.gif"></td>');
107: $r->print('<td>Go to ...</td>');
108: $r->print('<td>'.&make_anchor($filename.'/',$current_path.$filename.'/').'</td>');
109: $r->print('</tr>');
110: } else {
111: $r->print('<tr bgcolor="#CCCCFF">');
112: $r->print('<td>
113: <form method="post" action="/adm/portfolio">
114: <select name="action">
115: <option value=""></option>
116: <option value="delete">'.&mt("Delete").'</option>
117: <option value="rename">'.&mt("Rename").'</option>
118: </select>
119: <input type="submit" name="doit" value="Go" />
120: <input type="hidden" name="selectfile" value="'.$filename.'" />
121: <input type="hidden" name="currentpath" value="'.$current_path.'" />
122: </form>
123: </td>');
124: $r->print('<td><img src="'.$iconpath.'unknown.gif"></td>');
125: $r->print('<td><a href="'.$href_location.$filename.'">'.
126: $filename.'</a></td>');
127: $r->print('<td>'.$size.'</td>');
128: $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
129: $r->print('</tr>');
130: }
131: }
132: }
133: # <tr bgcolor="#FFAA99"> pink bg
134: # <tr bgcolor="#CCCCFF"> blue bg
135: # $r->print(&display_directory($current_path, $currentFile, @dir_list));
136: # $r->print('</td>><td>');
137: # $r->print(&display_actions($current_path, $currentFile, $isEmpty));
138: $r->print('</table></form>');
139: }
140: sub display_file_select {
141: my ($r,$current_path,$is_empty,$dir_list)=@_;
142: my $iconpath= $r->dir_config('lonIconsURL') . "/";
143: my $display_out;
144: if ($is_empty && ($current_path ne '/')) {
145: $display_out = '<form method="post" action="/adm/portfolio">'.
146: '<input type="hidden" name="action" value="deletedir" />'.
147: '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
148: '<input type="hidden" name="selectfile" value="" />'.
149: '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
150:
151: '</form>';
152:
153: $r->print($display_out);
154: return;
155: }
156: $r->print('<table border="0" cellspacing="2" cellpadding="2">'.
157: '<tr><th>Select</th><th> </th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
158: my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio$current_path";
159: $r->print('<form method="post" name="checkselect" action="/adm/portfolio">');
160: foreach my $line (sort
161: {
162: my ($afile)=split('&',$a,2);
163: my ($bfile)=split('&',$b,2);
164: return (lc($afile) cmp lc($bfile));
165: } (@$dir_list)) {
166: #$strip holds directory/file name
167: #$dom
168: my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
169: if (($filename ne '.') && ($filename ne '..')) {
170: if ($dirptr&$testdir) {
171: $r->print('<tr bgcolor="#FFAA99"><td><img src="'.$iconpath.'folder_closed.gif"></td>');
172: $r->print('<td>Go to ...</td>');
173: $r->print('<td>'.&make_anchor($filename.'/',$current_path.$filename.'/').'</td>');
174: $r->print('</tr>');
175: } else {
176: $r->print('<tr bgcolor="#CCCCFF">');
177: $r->print('<td>
178: <input type="checkbox" name="selectedfile" value="'.$filename.'" >
179: </td>');
180: $r->print('<td><img src="'.$iconpath.'unknown.gif"></td>');
181: $r->print('<td><a href="'.$href_location.$filename.'">'.
182: $filename.'</a></td>');
183: $r->print('<td>'.$size.'</td>');
184: $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
185: $r->print('</tr>');
186: }
187: }
188: }
189: $r->print('</table>
190: <input type="button" name="doit" onClick= "finishSelect();" value="Select checked files, and close window" />
191: <input type="hidden" name="currentpath" value="'.$current_path.'" />
192: </form>');
193: }
194:
195: sub open_form {
196: my ($r)=@_;
197: $r->print('<form method="post" action="/adm/portfolio">');
198: $r->print('<input type="hidden" name="action" value="'.
199: $ENV{'form.action'}.'" />');
200: $r->print('<input type="hidden" name="confirmed" value="1" />');
201: $r->print('<input type="hidden" name="selectfile" value="'.
202: $ENV{'form.selectfile'}.'" />');
203: $r->print('<input type="hidden" name="currentpath" value="'.
204: $ENV{'form.currentpath'}.'" />');
205: }
206:
207: sub close_form {
208: my ($r)=@_;
209: $r->print('<p><input type="submit" value="'.&mt('Continue').
210: '" /></p></form>');
211: $r->print('<form action="/adm/portfolio" method="POST">
212: <p>
213: <input type="hidden" name="currentpath" value="'.
214: $ENV{'form.currentpath'}.'" />
215: <input type="submit" value="'.&mt('Cancel').'" />
216: </p></form>');
217:
218: }
219:
220: sub display_file {
221: my ($path,$filename)=@_;
222: if (!defined($path)) { $path=$ENV{'form.currentpath'}; }
223: if (!defined($filename)) { $filename=$ENV{'form.selectfile'}; }
224: return '<tt>'.$path.$filename.'</tt>';
225: }
226:
227: sub done {
228: return ('<h3><a href="/adm/portfolio?currentpath='.
229: $ENV{'form.currentpath'}.'">'.&mt('Done').'</a></h3>');
230: }
231:
232: sub delete {
233: my ($r)=@_;
234: &open_form($r);
235: $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
236: &close_form($r);
237: }
238:
239: sub delete_confirmed {
240: my ($r)=@_;
241: my $result=&Apache::lonnet::removeuserfile($ENV{'user.name'},
242: $ENV{'user.domain'},'portfolio'.
243: $ENV{'form.currentpath'}.
244: $ENV{'form.selectfile'});
245: if ($result ne 'ok') {
246: $r->print('<font color="red"> An error occured ('.$result.
247: ') while trying to delete '.&display_file().'</font><br />');
248: }
249: $r->print(&done());
250: }
251:
252: sub delete_dir {
253: my ($r)=@_;
254: &open_form($r);
255: $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
256: &close_form($r);
257: }
258:
259: sub delete_dir_confirmed {
260: my ($r)=@_;
261: my $directory_name = $ENV{'form.currentpath'};
262: $directory_name =~ m/\/$/;
263: $directory_name = $`;
264: my $result=&Apache::lonnet::removeuserfile($ENV{'user.name'},
265: $ENV{'user.domain'},'portfolio'.
266: $directory_name);
267:
268: if ($result ne 'ok') {
269: $r->print('<font color="red"> An error occured (dir) ('.$result.
270: ') while trying to delete '.$directory_name.'</font><br />');
271: } else {
272: # now remove from recent
273: # $r->print('<br /> removing '.$directory_name.'<br /');
274: &Apache::lonhtmlcommon::remove_recent('portfolio',[$directory_name.'/']);
275: my @dirs = split m!/!, $directory_name;
276:
277: # $directory_name =~ m/^(\/*\/)(\/*.)$/;
278: $directory_name='/';
279: for (my $i=1; $i < (@dirs - 1); $i ++){
280: $directory_name .= $dirs[$i].'/';
281: }
282: $ENV{'form.currentpath'} = $directory_name;
283: }
284: $r->print(&done());
285: }
286:
287: sub rename {
288: my ($r)=@_;
289: &open_form($r);
290: $r->print('<p>'.&mt('Rename').' '.&display_file().' to
291: <input name="filenewname" type="input" size="50" />?</p>');
292: &close_form($r);
293: }
294:
295: sub rename_confirmed {
296: my ($r)=@_;
297: my $filenewname=&Apache::lonnet::clean_filename($ENV{'form.filenewname'});
298: if ($filenewname eq '') {
299: $r->print('<font color="red">'.
300: &mt("Error: no valid filename was provided to rename to.").
301: '</font><br />');
302: $r->print(&done());
303: return;
304: }
305: my $result=
306: &Apache::lonnet::renameuserfile($ENV{'user.name'},$ENV{'user.domain'},
307: 'portfolio'.$ENV{'form.currentpath'}.$ENV{'form.selectfile'},
308: 'portfolio'.$ENV{'form.currentpath'}.$ENV{'form.filenewname'});
309: if ($result ne 'ok') {
310: $r->print('<font color="red"> An errror occured ('.$result.
311: ') while trying to rename '.&display_file().' to '.
312: &display_file(undef,$filenewname).'</font><br />');
313: }
314: $r->print(&done());
315: }
316: sub select_files {
317: my ($r)=@_;
318: my $java_script =(<<ENDSMP);
319: <script language='javascript'>
320: function finishSelect() {
321: opener.document.forms.lonhomework.selectedfiles.value='files were selected';
322:
323: self.close();
324: }
325: </script>
326: ENDSMP
327: $r->print($java_script);
328: $r->print("<h1>Select portfolio files</h1>
329: Check as many as you wish in response to the essay problem.<br />");
330: my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
331: $ENV{'user.name'}).
332: '/userfiles/portfolio';
333: my $current_path='/';
334: if ($ENV{'form.currentpath'}) {
335: $current_path = $ENV{'form.currentpath'};
336: }
337: my @dir_list=&Apache::lonnet::dirlist($current_path,
338: $ENV{'user.domain'},
339: $ENV{'user.name'},$portfolio_root);
340: if ($dir_list[0] eq 'no_such_dir'){
341: # two main reasons for this:
342: # 1) never been here, so directory structure not created
343: # 2) back-button navigation after deleting a directory
344: if ($current_path eq '/'){
345: &Apache::lonnet::mkdiruserfile($ENV{'user.name'},
346: $ENV{'user.domain'},'portfolio');
347: } else {
348: # some directory that snuck in get rid of the directory
349: # from the recent pulldown, just in case
350: &Apache::lonhtmlcommon::remove_recent('portfolio',
351: [$current_path]);
352: $current_path = '/'; # force it back to the root
353: }
354: # now grab the directory list again, for the first time
355: @dir_list=&Apache::lonnet::dirlist($current_path,
356: $ENV{'user.domain'},
357: $ENV{'user.name'},$portfolio_root);
358: }
359: # need to know if directory is empty so it can be removed if desired
360: my $is_empty=(@dir_list == 2);
361: &display_common($r,$current_path,$is_empty,\@dir_list);
362: &display_file_select($r,$current_path,$is_empty,\@dir_list);
363: $r->print("</body>\n</html>\n");
364: return OK;
365: }
366: sub upload {
367: my ($r)=@_;
368: my $fname=$ENV{'form.uploaddoc.filename'};
369: my $filesize = (length($ENV{'form.uploaddoc'})) / 1000; #express in k (1024?)
370: my $disk_quota = 20000; # expressed in k
371: $fname=&Apache::lonnet::clean_filename($fname);
372: my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
373: $ENV{'user.name'}).
374: '/userfiles/portfolio';
375: # Fixme --- Move the checking for existing file to LOND error return
376: my @dir_list=&Apache::lonnet::dirlist($ENV{'form.currentpath'},
377: $ENV{'user.domain'},
378: $ENV{'user.name'},$portfolio_root);
379: my $found_file = 0;
380: foreach my $line (@dir_list) {
381: my ($filename)=split(/\&/,$line,2);
382: if ($filename eq $fname){
383: $found_file = 1;
384: }
385: }
386: my $current_disk_usage = &Apache::lonnet::diskusage($ENV{'user.domain'}, $ENV{'user.name'},$portfolio_root);
387: if (($current_disk_usage + $filesize) > $disk_quota){
388: $r->print('<font color="red">Unable to upload <strong>'.$fname.' (size = '.$filesize.' kilobytes</strong>. Disk quota will be exceeded.'.
389: '<br />Disk quota is '.$disk_quota.' kilobytes. Your current disk usage is '.$current_disk_usage.' kilobytes.');
390: }
391: elsif ($found_file){
392: $r->print('<font color="red">Unable to upload <strong>'.$fname.'</strong>, a file by that name was found in <strong>'.$ENV{'form.currentpath'}.'</strong></font>'.
393: '<br />To upload, rename or delete existing '.$fname.' in '.$ENV{'form.currentpath'});
394: } else {
395: my $result=&Apache::lonnet::userfileupload('uploaddoc','',
396: 'portfolio'.$ENV{'form.currentpath'});
397: if ($result !~ m|^/uploaded/|) {
398: $r->print('<font color="red"> An errror occured ('.$result.
399: ') while trying to upload '.&display_file().'</font><br />');
400: }
401: }
402: $r->print(&done());
403: }
404:
405: sub createdir {
406: my ($r)=@_;
407: my $newdir=&Apache::lonnet::clean_filename($ENV{'form.newdir'});
408: if ($newdir eq '') {
409: $r->print('<font color="red">'.
410: &mt("Error: no directory name was provided.").
411: '</font><br />');
412: $r->print(&done());
413: return;
414: }
415: my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
416: $ENV{'user.name'}).
417: '/userfiles/portfolio';
418: my @dir_list=&Apache::lonnet::dirlist($ENV{'form.currentpath'},
419: $ENV{'user.domain'},
420: $ENV{'user.name'},$portfolio_root);
421: my $found_file = 0;
422: foreach my $line (@dir_list) {
423: my ($filename)=split(/\&/,$line,2);
424: if ($filename eq $newdir){
425: $found_file = 1;
426: }
427: }
428: if ($found_file){
429: $r->print('<font color="red"> Unable to create a directory named <strong>'.$newdir.
430: ' </strong>a file or directory by that name already exists.</font><br />');
431: } else {
432: my $result=&Apache::lonnet::mkdiruserfile($ENV{'user.name'},
433: $ENV{'user.domain'},'portfolio'.$ENV{'form.currentpath'}.$newdir);
434: if ($result ne 'ok') {
435: $r->print('<font color="red"> An errror occured ('.$result.
436: ') while trying to create a new directory '.&display_file().'</font><br />');
437: }
438: }
439: $r->print(&done());
440: }
441:
442: sub handler {
443: # this handles file management
444: my $r = shift;
445: my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
446: $ENV{'user.name'}).
447: '/userfiles/portfolio';
448: &Apache::loncommon::no_cache($r);
449: &Apache::loncommon::content_type($r,'text/html');
450: $r->send_http_header;
451: # Give the LON-CAPA page header
452: $r->print('<html><head><title>'.
453: &mt('Portfolio Manager').
454: "</title></head>\n".
455: &Apache::loncommon::bodytag('Portfolio Manager'));
456: $r->rflush();
457: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
458: ['selectfile','currentpath',
459: 'currentfile','action']);
460: if (($ENV{'form.storeupl'} eq 'Upload') & (!$ENV{'form.uploaddoc.filename'})){
461: $r->print('<font color="red"> No file was selected to upload.'.
462: 'To upload a file, click <strong>Browse...</strong>'.
463: ', select a file, then click <strong>Upload</strong>,</font>');
464: }
465: if ($ENV{'form.uploaddoc.filename'}) {
466: &upload($r);
467: } elsif ($ENV{'form.action'} eq 'selectfile') {
468: &select_files($r);
469: } elsif ($ENV{'form.action'} eq 'delete' && $ENV{'form.confirmed'}) {
470: &delete_confirmed($r);
471: } elsif ($ENV{'form.action'} eq 'delete') {
472: &delete($r);
473: } elsif ($ENV{'form.action'} eq 'deletedir' && $ENV{'form.confirmed'}) {
474: &delete_dir_confirmed($r);
475: } elsif ($ENV{'form.action'} eq 'deletedir'){
476: &delete_dir($r);
477: } elsif ($ENV{'form.action'} eq 'rename' && $ENV{'form.confirmed'}) {
478: &rename_confirmed($r);
479: } elsif ($ENV{'form.action'} eq 'rename') {
480: &rename($r);
481: } elsif ($ENV{'form.createdir'}) {
482: &createdir($r);
483: } else {
484: my $current_path='/';
485: if ($ENV{'form.currentpath'}) {
486: $current_path = $ENV{'form.currentpath'};
487: }
488: my @dir_list=&Apache::lonnet::dirlist($current_path,
489: $ENV{'user.domain'},
490: $ENV{'user.name'},$portfolio_root);
491: if ($dir_list[0] eq 'no_such_dir'){
492: # two main reasons for this:
493: # 1) never been here, so directory structure not created
494: # 2) back-button navigation after deleting a directory
495: if ($current_path eq '/'){
496: &Apache::lonnet::mkdiruserfile($ENV{'user.name'},
497: $ENV{'user.domain'},'portfolio');
498: } else {
499: # some directory that snuck in get rid of the directory
500: # from the recent pulldown, just in case
501: &Apache::lonhtmlcommon::remove_recent('portfolio',
502: [$current_path]);
503: $current_path = '/'; # force it back to the root
504: }
505: # now grab the directory list again, for the first time
506: @dir_list=&Apache::lonnet::dirlist($current_path,
507: $ENV{'user.domain'},
508: $ENV{'user.name'},$portfolio_root);
509: }
510: # need to know if directory is empty so it can be removed if desired
511: my $is_empty=(@dir_list == 2);
512: &display_common($r,$current_path,$is_empty,\@dir_list);
513: &display_directory($r,$current_path,$is_empty,\@dir_list);
514: $r->print("</body>\n</html>\n");
515: return OK;
516: }
517: }
518: 1;
519: __END__
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