Annotation of loncom/interface/portfolio.pm, revision 1.16
1.3 banghart 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:
1.1 banghart 24: package Apache::portfolio;
25: use strict;
26: use Apache::Constants qw(:common :http);
1.2 banghart 27: use Apache::loncommon;
1.1 banghart 28: use Apache::lonnet;
1.2 banghart 29: use Apache::lontexconvert;
30: use Apache::lonfeedback;
31: use Apache::lonlocal;
1.16 ! banghart 32:
! 33: # receives a file name and path stub from username/userfiles/portfolio/
! 34: # returns an anchor tag consisting encoding filename and currentpath
1.10 banghart 35: sub makeAnchor{
1.8 albertel 36: my ($fileName, $currentPath) = @_;
37: my $anchor = '<a href="/adm/portfolio?selectfile='.$fileName.'¤tpath='.$currentPath.'">'.$fileName.'</a>';
38: return $anchor;
1.6 banghart 39: }
1.16 ! banghart 40:
! 41: # returns html with <br /> separated contents of the directory
! 42: # returns a <strong>currentFile</strong> (bolds the selected file/dir)
1.6 banghart 43: sub displayDirectory {
1.16 ! banghart 44: my ($currentPath, $currentFile, @dirList,) = @_;
1.10 banghart 45: my $displayOut='';
1.8 albertel 46: my $fileName;
47: my $upPath;
1.10 banghart 48: if ($currentPath ne '/'){
49: $displayOut = 'Listing of '.$currentPath.'<br /><hr />'.
50: # provides the "up one directory level" function
51: # it means shortening the currentpath to the parent directory
52: $currentPath =~ m:(^/.*)(/.*/$):;
53: if ($1 ne '/'){
54: $upPath = $1.'/';
55: }else{
56: $upPath = $1;
57: }
58:
59: $displayOut = $displayOut.'<a href="/adm/portfolio?selectfile='.$upPath.'¤tpath='.$upPath.'">..</a><br />';
1.8 albertel 60: } else {
1.10 banghart 61: $displayOut = $displayOut.'at root '.$currentPath.'<br />';
1.8 albertel 62: }
1.10 banghart 63: foreach my $line (@dirList) {
64: #$strip holds directory/file name
65: #$dom
1.16 ! banghart 66: my ($fileName,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef,$path)=split(/\&/,$line,17);
! 67: $path =~ m:/:;
! 68: my $dirDepth = @-;
1.10 banghart 69: if (($fileName ne '.') && ($fileName ne '..')){
1.16 ! banghart 70: for (my $i = 0; $i <= $dirDepth; $i += 1){
! 71: $displayOut.='<blockquote>';
! 72: }
1.10 banghart 73: if ($testdir =~ m:^1:){
74: # handle directories different from files
75: if ($fileName eq $currentFile){ #checks to bold the selected file
1.16 ! banghart 76: $displayOut.= '<strong>'.(makeAnchor($fileName.'/', $path.$fileName.'/').'</strong><br />'."\n");
1.10 banghart 77: }else{
1.16 ! banghart 78: $displayOut.= (makeAnchor($fileName.'/', $path.$fileName.'/').'<br />'."\n");
1.10 banghart 79: }
80: }else{
81: if ($fileName eq $currentFile){ #checks to bold the selected file
1.16 ! banghart 82: $displayOut.='<strong>'.(makeAnchor($fileName, $currentPath).'</strong><br />'."\n");
1.10 banghart 83: }else{
1.16 ! banghart 84: $displayOut.=(makeAnchor($fileName, $currentPath).'<br />'."\n");
1.10 banghart 85: }
86: }
1.16 ! banghart 87: for (my $i = 0; $i <= $dirDepth; $i += 1){
! 88: $displayOut.='</blockquote>';
! 89: }
! 90:
1.10 banghart 91: }
92:
1.8 albertel 93: }
94: return $displayOut;
1.6 banghart 95: }
96: sub displayActions {
1.10 banghart 97: # returns html to offer user appropriate actions depending on selected file/directory
1.8 albertel 98: my $displayOut;
1.16 ! banghart 99: my ($currentPath, $currentFile, $isEmpty) = @_;
1.8 albertel 100: # $displayOut = 'here are actions for '.$currentFile;
1.10 banghart 101: if ($currentFile =~ m:/$:){
102: # if the selected file is a directory, these are the options
103: # offer the chance to delete the directory only if it is empty
104: if ($isEmpty && ($currentPath ne '/')) {
105: $displayOut = $displayOut.'<form method="POST">
106: <input type="hidden" name="selectfile"
107: value="'.$currentFile.'" />
108: <input type="hidden" name="fileaction" value="delete" />
109: <input type="hidden" name="currentpath" value="'.$currentPath.'" />
110: <center>
111: <input type="submit"
112: value="Delete '.$currentFile.'" />
113: </center>
114: </form>';
115: }
116: if ($currentPath ne '/') {
117: $displayOut = $displayOut.'<hr />
118: <form method="POST">
119: <input type="hidden" name="selectfile"
120: value="'.$currentFile.'" />
121: <input type="hidden" name="fileaction" value="rename" />
122: <input type="hidden" name="currentpath" value="'.$currentPath.'" />
123: <input type="input" name="filenewname" value="Type new name here" />
124: <input type="submit"
125: value="Rename '.$currentFile.'" />
126: </form>';
127: }
128: }else{ #action options offered for files
129: $displayOut = $displayOut.'<form method="POST">';
130: $displayOut = $displayOut.'<input type="hidden" name="selectfile"';
131: $displayOut = $displayOut.'value="'.$currentFile;
132: $displayOut = $displayOut.'" /><input type="hidden" name="fileaction" value="delete" />
133: <input type="hidden" name="currentpath" value="'.$currentPath.'" />
134: <center>
135: <input type="submit"
136: value="Delete '.$currentFile.'" />
137: </center>
138: </form>';
139:
140: $displayOut = $displayOut.'<hr />
141: <form method="POST">
142: <input type="hidden" name="selectfile"
143: value="'.$currentFile.'" />
144: <input type="hidden" name="fileaction" value="rename" />
145: <input type="hidden" name="currentpath" value="'.$currentPath.'" />
146: <input type="input" name="filenewname" value="Type new name here" />
147: <input type="submit"
148: value="Rename '.$currentFile.'" />
149: </form>
150: <hr />';
1.8 albertel 151: }
1.10 banghart 152: $displayOut = $displayOut.'<hr />Add a file to '.$currentPath;
1.8 albertel 153: # file upload form
154: $displayOut = $displayOut.'<form method="post" enctype="multipart/form-data">';
1.9 albertel 155: $displayOut = $displayOut.'<input name="uploaddoc" type="file" />'.
1.10 banghart 156: '<input type="hidden" name="currentpath" value="'.$currentPath.'" />'.
157: '<input type="submit" name="storeupl" value="Upload" />'.
158: '</form><hr />';
1.8 albertel 159: $displayOut = $displayOut.'<form method="POST">
1.10 banghart 160: <input name="subdir" type="text" />
161: <input type="submit" value="Create Subdirectory" />
162: </form>
163: ';
1.8 albertel 164: return $displayOut;
1.6 banghart 165: }
1.1 banghart 166: sub handler {
1.8 albertel 167: # this handles file management
1.10 banghart 168: my $r = shift;
1.8 albertel 169: my @dirList; # will hold directory listing as array
170: my $udir; # returned from home server
171: my $currentPath; # path assuming /userfiles/portfolio/ as root
172: my $currentFile; # directory or file contained in $pathToRoot.$currentPath
173: my $action; # delete, rename, makedirectory, removedirectory,
174: my $filenewname; # for rename action (guess what we do with it!)
175: my $isFile;
1.10 banghart 176: my $isEmpty;
177: &Apache::loncommon::no_cache($r);
1.14 banghart 178: &Apache::loncommon::content_type($r,'text/html');
1.8 albertel 179: $r->send_http_header;
1.14 banghart 180: # Give the LON-CAPA page header
181: $r->print('<html><head><title>'.
182: &mt('Portfolio Manager').
183: "</title></head>\n".
184: &Apache::loncommon::bodytag('Portfolio Manager'));
185: $r->rflush();
1.8 albertel 186: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.10 banghart 187: ['selectfile','currentpath', 'currentfile']);
1.8 albertel 188: # currentPath and currentFile need to be set for the rest of things to happen
189: # sometimes, currentFile will be passed by a form field, selectedfile
190: # if there is no 'form.selectedfile' then the current directory is
191: # considered as selected
1.11 banghart 192: if ($ENV{'form.currentpath'}) {
1.10 banghart 193: $currentPath = $ENV{'form.currentpath'};
1.11 banghart 194: } else {
1.10 banghart 195: $currentPath = '/';
1.8 albertel 196: }
1.11 banghart 197: if ($ENV{'form.selectfile'}) {
1.10 banghart 198: # have to check if the selected file is a subdirectory
199: if ($ENV{'form.selectfile'} =~ /-\(Dir\)/){
200: # $currentPath =~ /\-\(Dir\)/;
201: $currentPath = $`.'/';
202: $r->print('<br />'.$currentPath.'<br />');
203: }
204: $currentFile = $ENV{'form.selectfile'};
1.11 banghart 205: } else {
1.10 banghart 206: $currentFile = '';
1.8 albertel 207: }
208: # if we're uploading a file, we need to do it early so it will show in the directory list
1.11 banghart 209: if ($ENV{'form.uploaddoc.filename'}) {
210: $r->print($ENV{'form.storeupl'}.'<br />');
211: $r->print(&Apache::lonnet::userfileupload('uploaddoc','','portfolio'.$currentPath).'<br />');
1.8 albertel 212: }
213: # similarly, we need to delete or rename files before getting directory list
1.10 banghart 214: if ($ENV{'form.selectfile'}){
1.11 banghart 215: if ($ENV{'form.fileaction'} eq 'delete') {
1.10 banghart 216: $r->print('<br />trying to delete '.$currentPath.$ENV{'form.selectfile'}.'<br />');
217: $r->print(&Apache::lonnet::removeuserfile($ENV{'user.name'}, $ENV{'user.domain'},'portfolio'.$currentPath.$ENV{'form.selectfile'}));
218: $currentFile = '';
1.11 banghart 219: } elsif ($ENV{'form.fileaction'} eq 'rename') {
1.10 banghart 220: &Apache::lonnet::portfoliomanage($currentPath.$ENV{'form.selectfile'}, 'rename', $currentPath.$ENV{'form.filenewname'} );
221: }
1.8 albertel 222: }
223: # we always need $dirList, plus this will return information about the current file
224: # as well as information about he home server directory structure, specifically
1.10 banghart 225: # the path to the users userfiles directory.
1.16 ! banghart 226: #
1.15 albertel 227: my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
228: $ENV{'user.name'}).
229: '/userfiles/portfolio';
1.16 ! banghart 230: my $done = 0;
! 231: my $subdir = '';
! 232: my @workinglist; # intermediate array, holds directory listing lines (dirlist), and path information
! 233: my $readDirectory = 1; # flag for directory
! 234: my $loopCounter = 0; # needed only for development to prevent run away program (or maybe more?)
! 235: while (!$done){
! 236: # Needed while developing. Later, too?
! 237: $loopCounter += 1;
! 238: if ($loopCounter > 50) {
! 239: $r->print('<br />stop runaway');
! 240: return OK;
! 241: }
! 242: # ---
! 243: if ($readDirectory){ # is true the first time through, then true if dirlist line is a subdir
! 244: # $r->print('<br />reading '.$portfolio_root.$subdir);
! 245: my @list = &Apache::lonnet::dirlist($currentPath, $ENV{'user.domain'}, $ENV{'user.name'}, $portfolio_root.$subdir);
! 246: foreach my $line(@list){
! 247: $line = $line.'&'.$subdir; # append the subdirectory information
! 248: my ($fileName,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef,$subpath)=split(/\&/,$line,17);
! 249: if (($fileName ne '.') && ($fileName ne '..')){ # we throw away the current and parent directories
! 250: $r->print('<br />'.$line);
! 251: # should this be shift?
! 252: push @workinglist, $line; # add the line to the working list array
! 253: }
! 254: }
! 255: }
! 256: my $line = shift @workinglist; #take one off the working list
! 257: if ($line eq '') { # if the working list is empty
! 258: $done = 1;
! 259: }else{
! 260: push @dirList, $line; # and put it in the display list
! 261: my ($fileName,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef,$subpath)=split(/\&/,$line,17);
! 262: if ($testdir =~ m:^1:) { # true if this is a directory
! 263: # $r->print('<br />added subdir '.$fileName);
! 264: $subdir = $subpath.'/'.$fileName;
! 265: $readDirectory = 1;
! 266: }else{
! 267: $readDirectory = 0;
! 268: }
! 269: }
! 270: }
! 271: # if item is directory { get the next level down
! 272: # my @list = &Apache::lonnet::dirlist($currentPath, $ENV{'user.domain'}, $ENV{'user.name'}, $portfolio_root.$);
! 273:
1.12 banghart 274: if (@dirList == 2) { # need to know if directory is empty so it can be removed if desired
1.10 banghart 275: $isEmpty = 1;
1.13 banghart 276: } else {
1.10 banghart 277: $isEmpty = 0;
278: }
1.16 ! banghart 279:
1.11 banghart 280: if ($ENV{'form.selectfile'}) {
281: if ($ENV{'form.fileaction'} eq 'delete') {
1.10 banghart 282: &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'delete', undef );
283: $ENV{'portfolio.file'} = 'Selected File Deleted';
1.11 banghart 284: } elsif ($ENV{'form.fileaction'} eq 'rename') {
285: &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'rename', $ENV{'form.filenewname'});
286: } else {
1.10 banghart 287: # Remember user's file selection for later
288: $ENV{'portfolio.file'} = $ENV{'form.selectfile'};
289: # offer things user can do with selected file
290: }
291: }else{
292: unless ($ENV{'portfolio.file'}){
293: $ENV{'portfolio.file'} = 'No File Selected';
294: }
1.8 albertel 295: }
296: ##############################
297: #
298: # Display begins here
299: #
300: ##############################
1.11 banghart 301: $r->print('<table border=1><tr><td>');
1.16 ! banghart 302: $r->print(displayDirectory($currentPath, $currentFile, @dirList));
1.11 banghart 303: $r->print('</td>><td>');
1.16 ! banghart 304: $r->print(displayActions($currentPath, $currentFile, $isEmpty));
1.11 banghart 305: $r->print('</td>></tr></table>');
1.14 banghart 306: $r->print('</blockquote>');
307: $r->print("</body>\n</html>\n");
308: $r->rflush();
1.8 albertel 309: return OK;
1.2 banghart 310: }
1.1 banghart 311:
312: 1;
313: __END__
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