Annotation of loncom/interface/portfolio.pm, revision 1.186

1.125     albertel    1: # The LearningOnline Network
                      2: # portfolio browser
                      3: #
1.186   ! albertel    4: # $Id: portfolio.pm,v 1.185 2007/06/21 20:25:18 banghart Exp $
1.125     albertel    5: #
1.3       banghart    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: 
1.1       banghart   29: package Apache::portfolio;
                     30: use strict;
                     31: use Apache::Constants qw(:common :http);
1.2       banghart   32: use Apache::loncommon;
1.1       banghart   33: use Apache::lonnet;
1.2       banghart   34: use Apache::lontexconvert;
                     35: use Apache::lonfeedback;
                     36: use Apache::lonlocal;
1.82      albertel   37: use Apache::lonnet;
1.99      raeburn    38: use Apache::longroup;
1.132     raeburn    39: use Apache::lonhtmlcommon;
1.113     albertel   40: use HTML::Entities;
1.101     www        41: use LONCAPA;
1.16      banghart   42: 
1.137     albertel   43: sub group_args {
                     44:     my $output;
                     45:     if (defined($env{'form.group'})) {
1.138     albertel   46:         $output .= '&group='.$env{'form.group'};
1.137     albertel   47: 	if (defined($env{'form.ref'})) {
                     48: 	    $output .= '&ref='.$env{'form.ref'};
                     49: 	}
                     50:     }
                     51:     return $output;
                     52: }
                     53: 
                     54: sub group_form_data {
                     55:     my $output;
                     56:     if (defined($env{'form.group'})) {
1.138     albertel   57: 	$output = '<input type="hidden" name="group" value="'.$env{'form.group'}.'" />';
1.137     albertel   58: 	if (exists($env{'form.ref'})) {
                     59: 	    $output .= '<input type="hidden" name="ref" value="'.
                     60: 		$env{'form.ref'}.'" />';
                     61: 	}
                     62:     }
1.139     albertel   63:     return $output;
1.137     albertel   64: } 
                     65: 
1.16      banghart   66: # receives a file name and path stub from username/userfiles/portfolio/
                     67: # returns an anchor tag consisting encoding filename and currentpath
1.23      albertel   68: sub make_anchor {
1.149     banghart   69:     my ($url, $anchor_fields, $inner_text) = @_;
                     70:     if ($$anchor_fields{'continue'} ne 'true') {$$anchor_fields{'continue'} = 'false'};
                     71:     my $anchor = '<a href="'.$url.'?';
                     72:     foreach my $field_name (keys(%$anchor_fields)) {
                     73:         $anchor .= $field_name.'='.$$anchor_fields{$field_name}.'&amp;';
                     74:     }
1.151     banghart   75:     $anchor =~ s/&amp;$//;
1.138     albertel   76:     $anchor .= &group_args();
1.149     banghart   77:     $anchor .= '">'.$inner_text.'</a>';
1.8       albertel   78:     return $anchor;
1.6       banghart   79: }
1.138     albertel   80: 
1.24      albertel   81: my $dirptr=16384;
1.48      banghart   82: sub display_common {
1.137     albertel   83:     my ($r,$url,$current_path,$is_empty,$dir_list,$can_upload)=@_;
1.138     albertel   84:     my $namespace = &get_namespace();
                     85:     my $port_path = &get_port_path();
1.120     raeburn    86:     if ($can_upload) {
1.137     albertel   87:         my $groupitem = &group_form_data();
                     88: 
1.120     raeburn    89:         my $iconpath= $r->dir_config('lonIconsURL') . "/";
                     90:         my %text=&Apache::lonlocal::texthash(
                     91: 					 'upload' => 'Upload',
1.88      albertel   92: 					 'upload_label' =>  
                     93: 					 'Upload file to current directory:',
                     94: 					 'createdir' => 'Create Subdirectory',
                     95: 					 'createdir_label' => 
                     96: 					 'Create subdirectory in current directory:');
1.120     raeburn    97:         my $escuri = &HTML::Entities::encode($r->uri,'&<>"');
1.168     albertel   98: 	my $help_fileupload = &Apache::loncommon::help_open_topic('Portfolio AddFiles');
                     99: 	my $help_createdir = &Apache::loncommon::help_open_topic('Portfolio CreateDirectory');
1.167     rezaferr  100: 		
1.168     albertel  101: 	# FIXME: This line should be deleted once Portfolio uses breadcrumbs
                    102: 	$r->print(&Apache::loncommon::help_open_topic('Portfolio About', 'Help on the portfolio'));
                    103: 
1.120     raeburn   104:         $r->print(<<"TABLE"); 
1.114     albertel  105: <table id="LC_portfolio_actions">
                    106:   <tr id="LC_portfolio_upload">
                    107:     <td class="LC_label">
1.113     albertel  108:       $text{'upload_label'}
                    109:     </td>
1.120     raeburn   110:     <td class="LC_value">
1.113     albertel  111:       <form method="post" enctype="multipart/form-data" action="$escuri">
1.120     raeburn   112:         $groupitem 
1.88      albertel  113:         <input name="uploaddoc" type="file" />
                    114: 	<input type="hidden" name="currentpath" value="$current_path" />
                    115: 	<input type="hidden" name="action" value="$env{"form.action"}" />
                    116: 	<input type="hidden" name="fieldname" value="$env{"form.fieldname"}" />
                    117: 	<input type="hidden" name="mode" value="$env{"form.mode"}" />
1.167     rezaferr  118: 	<input type="submit" name="storeupl" value="$text{'upload'}" />$help_fileupload
1.113     albertel  119:       </form>
                    120:     </td>
                    121:   </tr>
1.114     albertel  122:   <tr id="LC_portfolio_createdir">
                    123:     <td class="LC_label">
1.113     albertel  124:       $text{'createdir_label'}
                    125:     </td>
1.114     albertel  126:     <td class="LC_value">
1.113     albertel  127:       <form method="post" action="$escuri">
1.94      raeburn   128:         <input name="newdir" type="input" />$groupitem
1.88      albertel  129:         <input type="hidden" name="currentpath" value="$current_path" />
                    130:         <input type="hidden" name="action" value="$env{"form.action"}" />
                    131:         <input type="hidden" name="fieldname" value="$env{"form.fieldname"}" />
                    132:         <input type="hidden" name="mode" value="$env{"form.mode"}" />
1.167     rezaferr  133:         <input type="submit" name="createdir" value="$text{'createdir'}" />$help_createdir
1.113     albertel  134:       </form>
                    135:     </td>
                    136:   </tr>
1.88      albertel  137: </table>
                    138: TABLE
1.120     raeburn   139:     }
1.24      albertel  140:     my @tree = split (/\//,$current_path);
1.150     banghart  141:     my %anchor_fields = (
1.149     banghart  142:         'selectfile'    => $port_path,
                    143:         'currentpath'   => '/',
                    144:         'mode'          => $env{"form.mode"},
                    145:         'fieldname'     => $env{"form.fieldname"},
                    146:         'continue'      => $env{"form.continue"}
                    147:     );
                    148:     $r->print('<span class="LC_current_location">'.&make_anchor($url,\%anchor_fields,$port_path).'/');
1.19      banghart  149:     if (@tree > 1){
1.176     albertel  150:         my $newCurrentPath = '/';
1.19      banghart  151:         for (my $i = 1; $i< @tree; $i++){
                    152:             $newCurrentPath .= $tree[$i].'/';
1.150     banghart  153:             my %anchor_fields = (
1.149     banghart  154:                 'selectfile' => $tree[$i],
1.176     albertel  155:                 'currentpath' => $newCurrentPath,
1.149     banghart  156:                 'mode' => $env{"form.mode"},
                    157:                 'fieldname' => $env{"form.fieldname"},
                    158:                 'continue' => $env{"form.continue"}
                    159:             );
                    160:             $r->print(&make_anchor($url,\%anchor_fields,$tree[$i]).'/');
1.19      banghart  161:         }
                    162:     }
1.117     albertel  163:     $r->print('</span>');
1.168     albertel  164:     $r->print(&Apache::loncommon::help_open_topic('Portfolio ChangeDirectory'));
1.94      raeburn   165:     &Apache::lonhtmlcommon::store_recent($namespace,$current_path,$current_path);
1.137     albertel  166:     $r->print('<br /><form method="post" action="'.$url.'?mode='.$env{"form.mode"}.'&amp;fieldname='.$env{"form.fieldname"}.&group_args());
1.94      raeburn   167:     $r->print('">'.
                    168: 	      &Apache::lonhtmlcommon::select_recent($namespace,'currentpath',
1.22      albertel  169: 						    'this.form.submit();'));
1.21      banghart  170:     $r->print("</form>");
1.48      banghart  171: }
1.137     albertel  172: 
1.134     banghart  173: sub display_directory_line {
1.156     albertel  174:     my ($r,$select_mode, $filename, $mtime, $size, $css_class,
1.137     albertel  175: 	$line, $access_controls, $curr_access, $now, $version_flag,
1.140     banghart  176: 	$href_location, $url, $current_path, $access_admin_text, $versions)=@_;
1.156     albertel  177: 
                    178:     my $fullpath =  &prepend_group($current_path.$filename);
1.137     albertel  179:     $r->print('<tr class="'.$css_class.'">');
1.153     banghart  180:     $r->print($line); # contains first two cells of table
1.155     banghart  181:     my $lock_info;
1.156     albertel  182:     if ($version_flag) { # versioned can't be versioned, so TRUE when root file
1.153     banghart  183:         $r->print('<td><img alt="" src="'.&Apache::loncommon::icon($filename).'" /></td>');
1.156     albertel  184:         $r->print('<td>'.$version_flag.'</td>');
1.153     banghart  185:     } else { # this is a graded or handed back file
1.154     banghart  186:         my ($user,$domain) = &get_name_dom();
                    187:         my $permissions_hash = &Apache::lonnet::get_portfile_permissions($domain,$user);
1.156     albertel  188:         if (defined($$permissions_hash{$fullpath})) {
                    189:             foreach my $array_item (@{$$permissions_hash{$fullpath}}) {
1.155     banghart  190:                 if (ref($array_item) eq 'ARRAY') {
1.156     albertel  191:                     if ($$array_item[-1] eq 'handback') {
1.155     banghart  192:                         $lock_info = 'Handback';
1.156     albertel  193:                     } elsif ($$array_item[-1] eq 'graded') {
1.155     banghart  194:                         $lock_info = 'Graded';
1.154     banghart  195:                     }
1.155     banghart  196:                  }
1.154     banghart  197:             }
                    198:         }
1.156     albertel  199: 	if ($lock_info) {
                    200: 	    my %anchor_fields = ('lockinfo' => $fullpath);
1.161     banghart  201: 	    if ($versions) { # hold the folder open
                    202: 	        my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($fullpath);
                    203: 	        $fname =~ s|^/||;
                    204: 	        $anchor_fields{'showversions'} = $fname.'.'.$extension;
                    205: 	    }
1.156     albertel  206: 	    $lock_info = &make_anchor(undef,\%anchor_fields,$lock_info);
                    207: 	}
                    208: 	$r->print('<td colspan="2">'.$lock_info.'</td>');
1.153     banghart  209:     }
                    210:     # $r->print('<td>'.$$version_flag{$filename}.'</td><td>');
                    211:     $r->print('<td>'.&make_anchor($href_location.$filename,undef,$filename).'</td>'); 
1.137     albertel  212:     $r->print('<td>'.$size.'</td>');
                    213:     $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
                    214:     if ($select_mode ne 'true') {
                    215: 	$r->print('<td><span style="white-space: nowrap">'.
                    216: 		  &mt($curr_access).'&nbsp;&nbsp;&nbsp;');
1.152     albertel  217:         my %anchor_fields = (
1.150     banghart  218:             'access' => $filename,
                    219:             'currentpath' => $current_path
                    220:         );
                    221: 	$r->print(&make_anchor($url, \%anchor_fields, $access_admin_text).'</span></td>');
1.137     albertel  222:     }
                    223:     $r->print('</tr>'.$/);
1.134     banghart  224: }
1.137     albertel  225: 
1.48      banghart  226: sub display_directory {
1.138     albertel  227:     my ($r,$url,$current_path,$is_empty,$dir_list,$group,$can_upload,
1.137     albertel  228:         $can_modify,$can_delete,$can_setacl)=@_;
1.48      banghart  229:     my $iconpath= $r->dir_config('lonIconsURL') . "/";
                    230:     my $display_out;
1.77      banghart  231:     my $select_mode;
                    232:     my $checked_files;
1.138     albertel  233:     my $port_path = &get_port_path();
                    234:     my ($uname,$udom) = &get_name_dom();
1.120     raeburn   235:     my $access_admin_text = &mt('View Status');
                    236:     if ($can_setacl) {
                    237:         $access_admin_text = &mt('View/Change Status');
                    238:     }
                    239: 
1.102     raeburn   240:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                    241:                                                                         $uname);
                    242:     my %locked_files = &Apache::lonnet::get_marked_as_readonly_hash(
                    243:                                                   $current_permissions,$group);
                    244:     my %access_controls = &Apache::lonnet::get_access_controls($current_permissions,$group);
                    245:     my $now = time;
1.170     raeburn   246:     if ($env{"form.mode"} eq 'selectfile') {
1.77      banghart  247: 	&select_files($r);
1.94      raeburn   248: 	$checked_files =&Apache::lonnet::files_in_path($uname,$env{'form.currentpath'});
1.77      banghart  249: 	$select_mode = 'true';
                    250:     } 
1.120     raeburn   251:     if ($is_empty && ($current_path ne '/') && $can_delete) {
1.137     albertel  252:         $display_out = '<form method="post" action="'.$url.'">'.
                    253: 	    &group_form_data().
1.30      banghart  254:         '<input type="hidden" name="action" value="deletedir" />'.
                    255:         '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
                    256:         '<input type="hidden" name="selectfile" value="" />'.
                    257:         '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
                    258:         '</form>';
                    259:         
1.48      banghart  260:         $r->print($display_out);
1.31      albertel  261: 	return;
                    262:     }
1.77      banghart  263:     if ($select_mode eq 'true') {
1.113     albertel  264:         $r->print('<form method="post" name="checkselect" action="'.$url.'">');
1.119     albertel  265:         $r->print('<table id="LC_browser">'.
1.146     banghart  266:             '<tr><th>Select</th><th>&nbsp;</th><th>&nbsp;</th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
1.77      banghart  267:     } else {
1.113     albertel  268:         $r->print('<form method="post" action="'.$url.'">');
1.168     albertel  269: 	$r->print(&Apache::loncommon::help_open_topic('Portfolio FileList',
                    270: 						      'Using the portfolio file list'));
1.119     albertel  271:         $r->print('<table id="LC_browser">'.
1.171     rezaferr  272: 		  '<tr><th colspan="2">Actions'.
                    273: 		  &Apache::loncommon::help_open_topic('Portfolio FileAction').
                    274: 		  '</th><th>&nbsp;</th><th>&nbsp;</th><th>Name'.
1.168     albertel  275: 		  &Apache::loncommon::help_open_topic('Portfolio OpenFile').
                    276: 		  '</th><th>Size</th><th>Last Modified</th><th>Current Access Status'.
                    277: 		  &Apache::loncommon::help_open_topic('Portfolio ShareFile').
                    278: 		  '</th></tr>');
1.94      raeburn   279:     }
1.137     albertel  280:     $r->print("\n".&group_form_data()."\n");
                    281: 
1.94      raeburn   282:     my $href_location="/uploaded/$udom/$uname/$port_path".$current_path;
                    283:     my $href_edit_location="/editupload/$udom/$uname/$port_path".$current_path;
1.105     banghart  284:     my @dir_lines;
                    285:     my %versioned;
1.140     banghart  286:     foreach my $dir_line (sort 
1.26      albertel  287: 		      { 
                    288: 			  my ($afile)=split('&',$a,2);
                    289: 			  my ($bfile)=split('&',$b,2);
                    290: 			  return (lc($afile) cmp lc($bfile));
                    291: 		      } (@$dir_list)) {
1.140     banghart  292:     	my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$dir_line,16); 
1.77      banghart  293:     	$filename =~ s/\s+$//;
1.105     banghart  294:     	my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($filename);
                    295:     	if ($version) {
1.156     albertel  296: 	    my $fullpath = &prepend_group($current_path.$fname.'.'.$extension);
                    297:     	    push(@{ $versioned{$fullpath} },
                    298: 		 [$filename,$dom,$testdir,$size,$mtime,$obs,]);
1.131     banghart  299:     	} else {
                    300:     	    push(@dir_lines, [$filename,$dom,$testdir,$size,$mtime,$obs]);
1.105     banghart  301:     	}
                    302:     }
1.140     banghart  303:     foreach my $dir_line (@dir_lines) {
                    304:         my ($filename,$dom,$testdir,$size,$mtime,$obs) = @$dir_line;
1.105     banghart  305:         my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($filename);
1.93      albertel  306:     	if (($filename ne '.') && ($filename ne '..') && ($filename !~ /\.meta$/ ) && ($filename !~ /(.*)\.(\d+)\.([^\.]*)$/)) {
1.156     albertel  307:     	    my $version_flag;
1.131     banghart  308:     	    my $show_versions;
1.156     albertel  309: 	    my $fullpath =  &prepend_group($current_path.$filename);
1.162     banghart  310:     	    if ($env{'form.showversions'} =~ /$filename/) {
1.131     banghart  311:     	        $show_versions = 'true';
                    312:     	    }
1.156     albertel  313:     	    if (exists($versioned{$fullpath})) {
1.152     albertel  314:     	        my %anchor_fields = (
1.156     albertel  315:     	            'selectfile' => $fullpath,
1.150     banghart  316:     	            'continue' => 'false',
                    317:     	            'currentpath' => $current_path,
                    318:     	        );
1.134     banghart  319:     	        if ($show_versions) {
1.162     banghart  320:     	            # Must preserve other possible showversion files
                    321:     	            my $version_remainder = $env{'form.showversions'};
                    322:     	            $version_remainder =~ s/$filename//g;    	            
                    323:     	            $anchor_fields{'showversions'} = $version_remainder;
1.156     albertel  324:                     $version_flag = &make_anchor('portfolio',\%anchor_fields,
1.150     banghart  325:                         '<img class="LC_icon" alt="'.&mt('opened folder').'" src="'.$iconpath.'folder_pointer_opened.gif" />');
1.134     banghart  326:     	        } else {
1.162     banghart  327:     	            # allow multiple files to show versioned
                    328:     	            $anchor_fields{'showversions'} = $env{'form.showversions'}.','.$filename;
1.156     albertel  329:                     $version_flag = &make_anchor('portfolio',\%anchor_fields,
1.150     banghart  330:                         '<img class="LC_icon" alt="'.&mt('closed folder').'" src="'.$iconpath.'folder_pointer_closed.gif" />');
1.134     banghart  331:                 }
1.129     banghart  332:     	    } else {
1.156     albertel  333:     	        $version_flag = '&nbsp;';
1.129     banghart  334:     	    }
1.23      albertel  335:             if ($dirptr&$testdir) {
1.116     albertel  336: 		my $colspan='colspan="2"';
1.77      banghart  337:                 if ($select_mode eq 'true'){
1.116     albertel  338: 		    undef($colspan);
1.64      banghart  339:                 }
1.116     albertel  340: 		$r->print('<tr class="LC_browser_folder"><td '.$colspan.'><img alt="'.&mt('closed folder').'" src="'.$iconpath.'folder_closed.gif" /></td>');
1.47      banghart  341:                 $r->print('<td>Go to ...</td>');
1.152     albertel  342:                 my %anchor_fields = (
1.149     banghart  343:                     'selectfile'    => $filename.'/',
                    344:                     'currentpath'   => $current_path.$filename.'/',
                    345:                     'mode'          => $env{"form.mode"},
                    346:                     'fieldname'     => $env{"form.fieldname"},
                    347:                     'continue'      => $env{"form.continue"}
                    348:                 );  
1.156     albertel  349:                 $r->print('<td>'.$version_flag.'</td><td>'.&make_anchor($url,\%anchor_fields,$filename.'/').'</td>'); 
1.47      banghart  350:                 $r->print('</tr>'); 
                    351:             } else {
1.116     albertel  352: 		my $css_class = 'LC_browser_file';
                    353: 		my $line;
1.124     albertel  354:                 if ($select_mode eq 'true') {
1.116     albertel  355:                     $line='<td><input type="checkbox" name="checkfile" value="'.$filename.'"';
                    356: 		    if ($$checked_files{$filename} eq 'selected') {
                    357:                         $line.=" checked ";
1.77      banghart  358:                     }
1.116     albertel  359: 		    $line.=' /></td>';
1.77      banghart  360:                 } else {
1.103     raeburn   361:                     if (exists $locked_files{$fullpath}) {
1.152     albertel  362:                         my %anchor_fields = (
1.156     albertel  363:                             'lockinfo' => $fullpath
1.150     banghart  364:                         );
                    365:                         $line.='<td colspan="2">'.&make_anchor($url,\%anchor_fields,'Locked').'</td>';
1.116     albertel  366: 			$css_class= 'LC_browser_file_locked';
1.77      banghart  367:                     } else {
1.120     raeburn   368:                         if (!$can_modify) {
                    369:                             $line .= '<td colspan="2">';
                    370:                         } else {
                    371:                             $line .= '<td>';
                    372:                         }
                    373:                         if ($can_delete) {
                    374:                             $line .= '<input type="checkbox" name="selectfile" value="'.$filename.'" />';
                    375:                         }
                    376:                         if ($can_modify) {
1.146     banghart  377:                             my $cat='<img class="LC_icon" alt="'.&mt('Catalog Information').
1.120     raeburn   378:                             '" src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').'" />';
1.152     albertel  379:                             my %anchor_fields = (
1.150     banghart  380:                                 'rename' => $filename,
                    381:                                 currentpath => $current_path
                    382:                             );
                    383:                             $line .= &make_anchor($url,\%anchor_fields,'Rename');
1.159     banghart  384:                             $line .= '</td><td>'.&make_anchor($href_edit_location.$filename.'.meta',\%anchor_fields,$cat);
1.150     banghart  385:                             # '<a href="'.$href_edit_location.$filename.'.meta">'.$cat.'</a>';
1.120     raeburn   386:                         }
                    387:                         $line .= '</td>';
1.77      banghart  388:                     }
1.61      banghart  389:                 }
1.124     albertel  390: 		my $curr_access;
                    391: 		if ($select_mode ne 'true') {
                    392: 		    my $pub_access = 0;
                    393: 		    my $guest_access = 0;
                    394: 		    my $cond_access = 0;
                    395: 		    foreach my $key (sort(keys(%{$access_controls{$fullpath}}))) {
                    396: 			my ($num,$scope,$end,$start) = &unpack_acc_key($key);
                    397: 			if (($now > $start) && (!$end || $end > $now)) {
                    398: 			    if ($scope eq 'public')  {
                    399: 				$pub_access = 1;
                    400: 			    } elsif ($scope eq 'guest') {
                    401: 				$guest_access = 1;
                    402: 			    } else {
                    403: 				$cond_access = 1;
                    404: 			    }
                    405: 			}
                    406: 		    }
                    407: 		    if (!$pub_access && !$guest_access && !$cond_access) {
                    408: 			$curr_access = &mt('Private');
                    409: 		    } else {
                    410: 			my @allaccesses; 
                    411: 			if ($pub_access) {
                    412: 			    push(@allaccesses,&mt('Public'));
                    413: 			}
                    414: 			if ($guest_access) {
                    415: 			    push(@allaccesses,&mt('Passphrase-protected'));
                    416: 			}
                    417: 			if ($cond_access) {
                    418: 			    push(@allaccesses,&mt('Conditional'));
                    419: 			}
                    420: 			$curr_access = join('+ ',@allaccesses);
                    421: 		    }
                    422: 		}
1.156     albertel  423:                 &display_directory_line($r,$select_mode, $filename, $mtime, $size, $css_class, $line, 
                    424:                                         \%access_controls, $curr_access,$now, $version_flag, $href_location, 
1.140     banghart  425:                                         $url, $current_path, $access_admin_text);
1.134     banghart  426: 		if ($show_versions) {
1.156     albertel  427: 		    foreach my $dir_line (@{ $versioned{$fullpath} }) {
                    428: 		        my ($v_filename,$dom,$testdir,$size,$mtime,$obs) =
                    429: 			    @$dir_line;
1.143     banghart  430:                         $line = '<td colspan="2">&nbsp;</td>';
1.156     albertel  431: 			&display_directory_line($r,$select_mode, $v_filename, $mtime, $size, 
                    432: 						$css_class, $line, \%access_controls, $curr_access, $now,
                    433: 						undef, $href_location, $url, $current_path, $access_admin_text, 1);
1.140     banghart  434: 		    }
1.134     banghart  435: 		}
1.47      banghart  436:             }
                    437:         }
                    438:     }
1.77      banghart  439:     if ($select_mode eq 'true') {
                    440:         $r->print('</table>
1.127     albertel  441:             <input type="hidden" name="continue" value="true" />
                    442:             <input type="hidden" name="fieldname" value="'.$env{'form.fieldname'}.'" />
                    443:             <input type="hidden" name="mode" value="selectfile" />
1.60      banghart  444:             <input type="submit" name="submit" value="Select checked files, and continue selecting." /><br />
1.48      banghart  445:             <input type="button" name="doit" onClick= "finishSelect();" value="Select checked files, and close window" />
                    446:             <input type="hidden" name="currentpath" value="'.$current_path.'" />
1.77      banghart  447:         </form>');        
                    448:     } else {
1.120     raeburn   449:         $r->print('</table>');
                    450:         if ($can_delete) {
                    451:             $r->print('
1.167     rezaferr  452:         <input type="submit" name="doit" value="Delete Checked Files" />'.
1.168     albertel  453: 	&Apache::loncommon::help_open_topic('Portfolio DeleteFile').'
1.77      banghart  454:         <input type="hidden" name="action" value="delete" />
                    455:         <input type="hidden" name="currentpath" value="'.$current_path.'" />
1.120     raeburn   456:         </form>'
                    457:             );
                    458:         }
1.77      banghart  459:     }
1.47      banghart  460: }
1.72      banghart  461: 
1.24      albertel  462: sub open_form {
1.94      raeburn   463:     my ($r,$url)=@_;
1.65      banghart  464:     my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
1.102     raeburn   465:     $r->print('<form name="portform" method="post" action="'.$url.'">');
1.24      albertel  466:     $r->print('<input type="hidden" name="action" value="'.
1.82      albertel  467: 	      $env{'form.action'}.'" />');
1.24      albertel  468:     $r->print('<input type="hidden" name="confirmed" value="1" />');
1.65      banghart  469:     foreach (@files) {
                    470:         $r->print('<input type="hidden" name="selectfile" value="'.
                    471: 	      $_.'" />');
                    472:     }
1.24      albertel  473:     $r->print('<input type="hidden" name="currentpath" value="'.
1.82      albertel  474: 	      $env{'form.currentpath'}.'" />');
1.24      albertel  475: }
                    476: 
                    477: sub close_form {
1.137     albertel  478:     my ($r,$url,$button_text)=@_;
1.108     raeburn   479:     if (!defined($button_text)) {
                    480:         $button_text = {
                    481:                          'continue' => &mt('Continue'),
                    482:                          'cancel'   => &mt('Cancel'),
                    483:                        };
                    484:     }
1.138     albertel  485:     $r->print('<p><input type="submit" value="'.$button_text->{'continue'}.'" />');
1.137     albertel  486:     $r->print(&group_form_data().'</p></form>');
1.112     albertel  487:     $r->print('<form action="'.$url.'" method="post">
1.24      albertel  488:                <p>
                    489:               <input type="hidden" name="currentpath" value="'.
1.137     albertel  490: 	      $env{'form.currentpath'}.'" />'.
                    491: 	      &group_form_data());
1.108     raeburn   492:     $r->print("\n".'   <input type="submit" value="'.$button_text->{'cancel'}.'" />
1.94      raeburn   493:                </p></form>'); 
1.24      albertel  494: }
                    495: 
                    496: sub display_file {
1.27      albertel  497:     my ($path,$filename)=@_;
1.65      banghart  498:     my $display_file_text;
1.116     albertel  499:     my $file_start='<span class="LC_filename">';
                    500:     my $file_end='</span>';
1.82      albertel  501:     if (!defined($path)) { $path=$env{'form.currentpath'}; }
1.65      banghart  502:     if (!defined($filename)) { 
1.82      albertel  503:         $filename=$env{'form.selectfile'};
1.116     albertel  504:         $display_file_text = $file_start.$path.$filename.$file_end;
1.65      banghart  505:     } elsif (ref($filename) eq "ARRAY") {
1.116     albertel  506:         foreach my $file (@$filename) {
                    507:             $display_file_text .= $file_start.$path.$file.$file_end.'<br />';
1.65      banghart  508:         }
                    509:     } elsif (ref($filename) eq "SCALAR") {
1.116     albertel  510:         $display_file_text = $file_start.$path.$$filename.$file_end;
                    511:     } else {
                    512: 	$display_file_text = $file_start.$path.$filename.$file_end;
1.65      banghart  513:     }
                    514:     return $display_file_text;
1.24      albertel  515: }
                    516: 
                    517: sub done {
1.137     albertel  518:     my ($message,$url)=@_;
1.76      banghart  519:     unless (defined $message) {
                    520:         $message='Done';
                    521:     }
1.153     banghart  522:     my %anchor_fields = (
1.161     banghart  523:         'showversions' => $env{'form.showversions'},
1.153     banghart  524:         'currentpath' => $env{'form.currentpath'},
                    525:         'fieldname' => $env{'form.fieldname'},
                    526:         'mode'      => $env{'form.mode'}
                    527:     );
                    528:     my $result = '<h3>'.&make_anchor($url,\%anchor_fields,&mt($message)).'</h3>';
1.94      raeburn   529:     return $result;
1.24      albertel  530: }
                    531: 
                    532: sub delete {
1.138     albertel  533:     my ($r,$url)=@_;
1.55      banghart  534:     my @check;
1.82      albertel  535:     my $file_name = $env{'form.currentpath'}.$env{'form.selectfile'};
1.138     albertel  536:     $file_name = &prepend_group($file_name);
1.65      banghart  537:     my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
1.138     albertel  538:     my ($uname,$udom) = &get_name_dom();
1.94      raeburn   539:     if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
1.169     albertel  540:         $r->print("The file is locked and cannot be deleted.<br />");
1.137     albertel  541:         $r->print(&done('Back',$url));
1.55      banghart  542:     } else {
1.66      banghart  543:         if (scalar(@files)) {
1.94      raeburn   544:             &open_form($r,$url);
1.66      banghart  545:             $r->print('<p>'.&mt('Delete').' '.&display_file(undef,\@files).'?</p>');
1.137     albertel  546:             &close_form($r,$url);
1.66      banghart  547:         } else {
                    548:             $r->print("No file was checked to delete.<br />");
1.137     albertel  549:             $r->print(&done(undef,$url));
1.66      banghart  550:         }
1.55      banghart  551:     }
1.24      albertel  552: } 
                    553: 
                    554: sub delete_confirmed {
1.164     raeburn   555:     my ($r,$url,$group)=@_;
1.65      banghart  556:     my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
                    557:     my $result;
1.138     albertel  558:     my ($uname,$udom) = &get_name_dom();
                    559:     my $port_path = &get_port_path();
1.164     raeburn   560:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                    561:                                                                         $uname);
1.65      banghart  562:     foreach my $delete_file (@files) {
1.94      raeburn   563:         $result=&Apache::lonnet::removeuserfile($uname,$udom,$port_path.
1.82      albertel  564: 					       $env{'form.currentpath'}.
1.65      banghart  565: 					       $delete_file);
                    566:         if ($result ne 'ok') {
1.166     raeburn   567: 	    $r->print('<span class="LC_error">'.
1.182     albertel  568:                      &mt('An error occurred ([_1]) while trying to delete 
1.166     raeburn   569:                          [_2].',$result,&display_file(undef, $delete_file)).
                    570:                       '</span><br /><br />');
1.164     raeburn   571:         } else {
                    572:             $r->print(&mt('File: [_1] deleted.',
                    573:                           &display_file(undef,$delete_file)));
                    574:             my $file_name = $env{'form.currentpath'}.$delete_file;
                    575:             $file_name = &prepend_group($file_name);
                    576:             my %access_controls = 
                    577:                     &Apache::lonnet::get_access_controls($current_permissions,
                    578:                                                          $group,$file_name);
                    579:             if (keys(%access_controls) > 0) {
                    580:                 my %changes; 
1.166     raeburn   581:                 foreach my $key (keys(%{$access_controls{$file_name}})) {
1.164     raeburn   582:                     $changes{'delete'}{$key} = 1;
                    583:                 }
                    584:                 if (keys(%changes) > 0) {
                    585:                     my ($outcome,$deloutcome,$new_values,$translation) =
                    586:                     &Apache::lonnet::modify_access_controls($file_name,\%changes,
                    587:                                                             $udom,$uname);
                    588:                     if ($outcome ne 'ok') {
1.182     albertel  589:                            $r->print('<br />'.&mt("An error occurred ([_1]) while ".
1.165     albertel  590:                                "trying to delete access controls for the file.",$outcome).
1.166     raeburn   591:                                '</span><br /><br />');
1.164     raeburn   592:                     } else {
                    593:                         if ($deloutcome eq 'ok') {
1.166     raeburn   594:                             $r->print('<br />'.&mt('Access controls also deleted for the file.').'<br /><br />');
1.164     raeburn   595:                         } else {
1.165     albertel  596:                             $r->print('<span class="LC_error">'.'<br />'.
1.182     albertel  597:                                &mt("An error occurred ([_1]) while ".
1.165     albertel  598:                                    "trying to delete access controls for the file.",$deloutcome).
1.166     raeburn   599:                                    '</span><br /><br />');
1.164     raeburn   600:                         }
                    601:                     }
                    602:                 }
                    603:             }
1.65      banghart  604:         }
1.24      albertel  605:     }
1.137     albertel  606:     $r->print(&done(undef,$url));
1.24      albertel  607: }
                    608: 
1.30      banghart  609: sub delete_dir {
1.137     albertel  610:     my ($r,$url)=@_;
1.94      raeburn   611:     &open_form($r,$url);
1.30      banghart  612:     $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
1.137     albertel  613:     &close_form($r,$url);
1.30      banghart  614: } 
                    615: 
                    616: sub delete_dir_confirmed {
1.138     albertel  617:     my ($r,$url)=@_;
1.82      albertel  618:     my $directory_name = $env{'form.currentpath'};
1.81      albertel  619:     $directory_name =~ s|/$||; # remove any trailing slash
1.138     albertel  620:     my ($uname,$udom) = &get_name_dom();
                    621:     my $namespace = &get_namespace();
                    622:     my $port_path = &get_port_path();
1.94      raeburn   623:     my $result=&Apache::lonnet::removeuserfile($uname,$udom,$port_path.
1.30      banghart  624: 					       $directory_name);
1.32      banghart  625: 					       
1.30      banghart  626:     if ($result ne 'ok') {
1.182     albertel  627: 	$r->print('<span class="LC_error"> An error occurred (dir) ('.$result.
1.116     albertel  628: 		  ') while trying to delete '.$directory_name.'</span><br />');
1.32      banghart  629:     } else {
1.41      banghart  630:         # now remove from recent
1.94      raeburn   631:         &Apache::lonhtmlcommon::remove_recent($namespace,[$directory_name.'/']);
1.32      banghart  632:         my @dirs = split m!/!, $directory_name;
                    633:         $directory_name='/';
                    634:         for (my $i=1; $i < (@dirs - 1); $i ++){
                    635:             $directory_name .= $dirs[$i].'/';
                    636:         }
1.82      albertel  637:         $env{'form.currentpath'} = $directory_name;
1.30      banghart  638:     }
1.137     albertel  639:     $r->print(&done(undef,$url));
1.30      banghart  640: }
                    641: 
1.24      albertel  642: sub rename {
1.138     albertel  643:     my ($r,$url)=@_;
1.82      albertel  644:     my $file_name = $env{'form.currentpath'}.$env{'form.rename'};
1.138     albertel  645:     my ($uname,$udom) = &get_name_dom();
                    646:     $file_name = &prepend_group($file_name);
1.94      raeburn   647:     if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
1.169     albertel  648:         $r->print("The file is locked and cannot be renamed.<br />");
1.137     albertel  649:         $r->print(&done(undef,$url));
1.55      banghart  650:     } else {
1.94      raeburn   651:         &open_form($r,$url);
1.55      banghart  652:         $r->print('<p>'.&mt('Rename').' '.&display_file().' to 
                    653:                    <input name="filenewname" type="input" size="50" />?</p>');
1.137     albertel  654:         &close_form($r,$url);
1.55      banghart  655:     }
1.24      albertel  656: }
                    657: 
                    658: sub rename_confirmed {
1.164     raeburn   659:     my ($r,$url,$group)=@_;
1.82      albertel  660:     my $filenewname=&Apache::lonnet::clean_filename($env{'form.filenewname'});
1.138     albertel  661:     my ($uname,$udom) = &get_name_dom();
                    662:     my $port_path = &get_port_path();
1.27      albertel  663:     if ($filenewname eq '') {
1.116     albertel  664: 	$r->print('<span class="LC_error">'.
1.27      albertel  665: 		  &mt("Error: no valid filename was provided to rename to.").
1.116     albertel  666: 		  '</span><br />');
1.137     albertel  667: 	$r->print(&done(undef,$url));
1.27      albertel  668: 	return;
                    669:     } 
1.164     raeburn   670:     my $chg_access;
1.27      albertel  671:     my $result=
1.94      raeburn   672: 	&Apache::lonnet::renameuserfile($uname,$udom,
                    673:             $port_path.$env{'form.currentpath'}.$env{'form.selectfile'},
                    674:             $port_path.$env{'form.currentpath'}.$filenewname);
1.164     raeburn   675:     if ($result eq 'ok') {
                    676:         $chg_access = &access_for_renamed($filenewname,$group,$udom,$uname);
                    677:     } else {      
1.116     albertel  678: 	$r->print('<span class="LC_error">'.
1.182     albertel  679: 		  &mt('An error occurred ([_1]) while trying to rename [_2]'
1.116     albertel  680: 		      .' to [_3]',$result,&display_file(),
                    681: 		      &display_file('',$filenewname)).'</span><br />');
1.164     raeburn   682:         return;
1.27      albertel  683:     }
1.82      albertel  684:     if ($filenewname ne $env{'form.filenewname'}) {
1.116     albertel  685:         $r->print(&mt("The new file name was changed from:<br />[_1] to [_2]",
                    686: 		      '<strong>'.&display_file('',$env{'form.filenewname'}).'</strong>',
                    687: 		      '<strong>'.&display_file('',$filenewname).'</strong>'));
1.66      banghart  688:     }
1.164     raeburn   689:     $r->print($chg_access);
1.137     albertel  690:     $r->print(&done(undef,$url));
1.27      albertel  691: }
1.102     raeburn   692: 
1.164     raeburn   693: sub access_for_renamed {
                    694:     my ($filenewname,$group,$udom,$uname) = @_;
                    695:     my $oldfile = $env{'form.currentpath'}.$env{'form.selectfile'};
                    696:     $oldfile = &prepend_group($oldfile);
                    697:     my $newfile = $env{'form.currentpath'}.$filenewname;
                    698:     $newfile = &prepend_group($newfile);
                    699:     my $current_permissions =
1.165     albertel  700: 	&Apache::lonnet::get_portfile_permissions($udom,$uname);
1.164     raeburn   701:     my %access_controls =
1.165     albertel  702: 	&Apache::lonnet::get_access_controls($current_permissions,
                    703: 					     $group,$oldfile);
1.164     raeburn   704:     my $chg_text;
                    705:     if (keys(%access_controls) > 0) {
                    706:         my %change_old;
                    707:         my %change_new;
1.165     albertel  708:         foreach my $key (keys(%{$access_controls{$oldfile}})) {
1.164     raeburn   709:             $change_old{'delete'}{$key} = 1;
                    710:             $change_new{'activate'}{$key} = $access_controls{$oldfile}{$key};
                    711:         }
                    712:         my ($outcome,$deloutcome,$new_values,$translation) =
                    713:             &Apache::lonnet::modify_access_controls($oldfile,\%change_old,
1.165     albertel  714: 						    $udom,$uname);
1.164     raeburn   715:         if ($outcome ne 'ok') {
1.182     albertel  716:             $chg_text ='<br /><br />'.&mt("An error occurred ([_1]) while ".
1.165     albertel  717:                 "trying to delete access control records for the old name.",$outcome).
1.164     raeburn   718:                 '</span><br />';
                    719:         } else {
                    720:             if ($deloutcome ne 'ok') {
1.165     albertel  721:                 $chg_text = '<br /><br /><span class="LC_error"><br />'.
1.182     albertel  722: 		    &mt("An error occurred ([_1]) while ".
1.165     albertel  723: 			"trying to delete access control records for the old name.",$deloutcome).
                    724: 			'</span><br />';
1.164     raeburn   725:             }
                    726:         }
                    727:         ($outcome,$deloutcome,$new_values,$translation) =
                    728:             &Apache::lonnet::modify_access_controls($newfile,\%change_new,
                    729:                                                     $udom,$uname);
                    730:         if ($outcome ne 'ok') {
1.165     albertel  731:             $chg_text .= '<br /><br />'.
1.182     albertel  732: 		&mt("An error occurred ([_1]) while ".
1.165     albertel  733:                 "trying to update access control records for the new name.",$outcome).
1.164     raeburn   734:                 '</span><br />';
                    735:         }
                    736:         if ($chg_text eq '') {
                    737:             $chg_text = '<br /><br />'.&mt('Access controls updated to reflect the name change.');
                    738:         }
                    739:     }
                    740:     return $chg_text;
                    741: }
                    742: 
1.104     raeburn   743: sub display_access {
1.170     raeburn   744:     my ($r,$url,$group,$can_setacl,$port_path,$action) = @_;
1.138     albertel  745:     my ($uname,$udom) = &get_name_dom();
1.104     raeburn   746:     my $file_name = $env{'form.currentpath'}.$env{'form.access'};
1.138     albertel  747:     $file_name = &prepend_group($file_name);
1.104     raeburn   748:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                    749:                                                                         $uname);
                    750:     my %access_controls = &Apache::lonnet::get_access_controls($current_permissions,$group,$file_name);
1.120     raeburn   751:     my $aclcount = keys(%access_controls);
1.170     raeburn   752:     my ($header,$info);
                    753:     if ($action eq 'chgaccess') {
                    754:         $header = '<h3>'.&mt('Allowing others to retrieve file: [_1]',$port_path.$env{'form.currentpath'}.$env{'form.access'}).'</h3>';
                    755:         $info .= &mt('Access to this file by others can be set to be one or more of the following types: public, passphrase-protected or conditional.');
                    756:         $info .= '<br /><ul><li>'.&mt('Public files are available to anyone without the need for login.');
                    757:         $info .= '</li><li>'.&mt('Passphrase-protected files do not require log-in, but will require the viewer to enter the passphrase you set.');
                    758:         $info .= '</li><li>'.&explain_conditionals();
1.174     raeburn   759:         $info .= '</li></ul>'.
                    760:                   &mt('A listing of files viewable without log-in is available at: ')."<a href=\"/adm/$udom/$uname/aboutme/portfolio\">http://$ENV{'SERVER_NAME'}/adm/$udom/$uname/aboutme/portfolio</a>.<br />";
1.170     raeburn   761:         if ($group eq '') {
1.174     raeburn   762:             $info .= &mt("For logged in users a 'Display file listing' link will also appear (when there are viewable files) on your personal information page:");
                    763:         } else {
                    764:             $info .= &mt("For logged in users a 'Display file listing' link will also appear (when there are viewable files) on the course information page:");
                    765:         }
                    766:         $info .= "<br /><a href=\"/adm/$udom/$uname/aboutme\">http://$ENV{'SERVER_NAME'}/adm/$udom/$uname/aboutme</a><br />";
                    767:         if ($group ne '') {
                    768:             $info .= &mt("Users with privileges to edit course contents may add a course information page to a course using the 'Course Info' button in DOCS").'<br />';
1.170     raeburn   769:         }
                    770:     } else {
                    771:         $header = '<h3>'.&mt('Conditional access controls for file: [_1]',$port_path.$env{'form.currentpath'}.$env{'form.access'}).'</h3>'.
                    772:                   &explain_conditionals().'<br />';
1.142     raeburn   773:     }
1.120     raeburn   774:     if ($can_setacl) {
                    775:         &open_form($r,$url);
                    776:         $r->print($header.$info);
1.169     albertel  777: 	$r->print('<br />'.&Apache::loncommon::help_open_topic('Portfolio ShareFile SetAccess', 'Help on setting up share access'));
                    778: 	$r->print(&Apache::loncommon::help_open_topic('Portfolio ShareFile ChangeSetting', 'Help on changing settings'));
                    779: 	$r->print(&Apache::loncommon::help_open_topic('Portfolio ShareFile StopAccess', 'Help on removing share access'));
1.170     raeburn   780:         &access_setting_table($r,$url,$file_name,$access_controls{$file_name},
                    781:                               $action);
1.120     raeburn   782:         my $button_text = {
1.108     raeburn   783:                         'continue' => &mt('Proceed'),
                    784:                         'cancel' => &mt('Back to directory listing'),
                    785:                       };
1.137     albertel  786:         &close_form($r,$url,$button_text);
1.120     raeburn   787:     } else {
                    788:         $r->print($header);
                    789:         if ($aclcount) {  
                    790:             $r->print($info);
                    791:         }
1.137     albertel  792:         &view_access_settings($r,$url,$access_controls{$file_name},$aclcount);
1.120     raeburn   793:     }
                    794: }
                    795: 
1.170     raeburn   796: sub explain_conditionals {
                    797:     return
                    798:         &mt('Conditional files are accessible to logged-in users with accounts in the LON-CAPA network, who satisfy the conditions you set.').'<br />'."\n".
                    799:         &mt('The conditions can include affiliation with a particular course, or a user account in a specific domain.').'<br />'."\n".
                    800:         &mt('Alternatively access can be granted to people with specific LON-CAPA usernames and domains.');
                    801: }
                    802: 
1.120     raeburn   803: sub view_access_settings {
1.137     albertel  804:     my ($r,$url,$access_controls,$aclcount) = @_;
1.120     raeburn   805:     my ($showstart,$showend);
                    806:     my %todisplay;
                    807:     foreach my $key (sort(keys(%{$access_controls}))) {
                    808:         my ($num,$scope,$end,$start) = &unpack_acc_key($key);
                    809:         $todisplay{$scope}{$key} = $$access_controls{$key};
                    810:     }
                    811:     if ($aclcount) {
                    812:         $r->print(&mt('<h4>Current access controls defined for this file:</h4>'));
                    813:         $r->print(&Apache::loncommon::start_data_table());
                    814:         $r->print(&Apache::loncommon::start_data_table_header_row());
                    815:         $r->print('<th>'.&mt('Access control').'</th><th>'.&mt('Dates available').
                    816:                   '</th><th>'.&mt('Additional information').'</th>');
                    817:         $r->print(&Apache::loncommon::end_data_table_header_row());
                    818:         my $count = 1;
                    819:         my $chg = 'none';
                    820:         &build_access_summary($r,$count,$chg,%todisplay);
                    821:         $r->print(&Apache::loncommon::end_data_table());
                    822:     } else {
                    823:         $r->print(&mt('No access control settings currently exist for this file.<br />' ));
                    824:     }
1.153     banghart  825:     my %anchor_fields = (
                    826:         'currentpath' => $env{'form.currentpath'}
                    827:     );
                    828:     $r->print('<br />'.&make_anchor($url, \%anchor_fields, &mt('Return to directory listing')));
1.120     raeburn   829:     return;
1.104     raeburn   830: }
                    831: 
1.120     raeburn   832: sub build_access_summary {
                    833:     my ($r,$count,$chg,%todisplay) = @_; 
                    834:     my ($showstart,$showend);
                    835:     my %scope_desc = (
                    836:                       public => 'Public',
                    837:                       guest => 'Passphrase-protected',
                    838:                       domains => 'Conditional: domain-based',
                    839:                       users => 'Conditional: user-based',
                    840:                       course => 'Conditional: course-based',
                    841:                      );
1.170     raeburn   842:     my @allscopes = ('public','guest','domains','users','course');
1.120     raeburn   843:     foreach my $scope (@allscopes) {
                    844:         if ((!(exists($todisplay{$scope}))) || (ref($todisplay{$scope}) ne 'HASH')) {
                    845:             next;
                    846:         }
                    847:         foreach my $key (sort(keys(%{$todisplay{$scope}}))) {
                    848:             if ($count) {
                    849:                 $r->print(&Apache::loncommon::start_data_table_row());
                    850:             }
                    851:             my ($num,$scope,$end,$start) = &unpack_acc_key($key);
                    852:             my $content = $todisplay{$scope}{$key};
                    853:             if ($chg eq 'delete') {
                    854:                 $showstart = &mt('Deleted');
                    855:                 $showend = $showstart;
                    856:             } else {
                    857:                 $showstart = localtime($start);
                    858:                 if ($end == 0) {
                    859:                     $showend = &mt('No end date');
                    860:                 } else {
                    861:                     $showend = localtime($end);
                    862:                 }
                    863:             }
                    864:             $r->print('<td>'.&mt($scope_desc{$scope}));
1.170     raeburn   865:             if ($scope eq 'course') {
1.120     raeburn   866:                 if ($chg ne 'delete') {
                    867:                     my $cid = $content->{'domain'}.'_'.$content->{'number'};
                    868:                     my %course_description = &Apache::lonnet::coursedescription($cid);
                    869:                     $r->print('<br />('.$course_description{'description'}.')');
                    870:                 }
                    871:             }
                    872:             $r->print('</td><td>'.&mt('Start: ').$showstart.
                    873:                   '<br />'.&mt('End: ').$showend.'</td><td>');
                    874:             if ($chg ne 'delete') {
                    875:                 if ($scope eq 'guest') {
                    876:                     $r->print(&mt('Passphrase').': '.$content->{'password'});
1.170     raeburn   877:                 } elsif ($scope eq 'course') {
1.172     raeburn   878:                     $r->print('<table width="100%"><tr>');
1.120     raeburn   879:                     $r->print('<th>'.&mt('Roles').'</th><th>'.
                    880:                           &mt('Access').'</th><th>'.
                    881:                                           &mt('Sections').'</th>');
1.170     raeburn   882:                     $r->print('<th>'.&mt('Groups').'</th>');
1.120     raeburn   883:                     $r->print('</tr>');
                    884:                     foreach my $id (sort(keys(%{$content->{'roles'}}))) {
                    885:                         $r->print('<tr>');
                    886:                         foreach my $item ('role','access','section','group') {
                    887:                             $r->print('<td>');
                    888:                             if ($item eq 'role') {
                    889:                                 my $ucscope = $scope;
                    890:                                 $ucscope =~ s/^(\w)/uc($1)/e;
                    891:                                 my $role_output;
                    892:                                 foreach my $role (@{$content->{'roles'}{$id}{$item}}) {
                    893:                                     if ($role eq 'all') {
                    894:                                         $role_output .= $role.',';
                    895:                                     } elsif ($role =~ /^cr/) {
                    896:                                         $role_output .= (split('/',$role))[3].',';
                    897:                                     } else {
                    898:                                         $role_output .= &Apache::lonnet::plaintext($role,$ucscope).',';
                    899:                                     }
                    900:                                 }
                    901:                                 $role_output =~ s/,$//;
                    902:                                 $r->print($role_output);
                    903:                             } else {
                    904:                                 $r->print(join(',',@{$content->{'roles'}{$id}{$item}}));
                    905:                             }
1.170     raeburn   906:                             $r->print('</td>');
1.120     raeburn   907:                         }
1.170     raeburn   908: 			$r->print('</tr>');
1.120     raeburn   909:                     }
1.170     raeburn   910: 		    $r->print('</table>');
1.120     raeburn   911:                 } elsif ($scope eq 'domains') {
                    912:                     $r->print(&mt('Domains: ').join(',',@{$content->{'dom'}}));
                    913:                 } elsif ($scope eq 'users') {
                    914:                     my $curr_user_list = &sort_users($content->{'users'});
                    915:                     $r->print(&mt('Users: ').$curr_user_list);
                    916:                 } else {
                    917:                     $r->print('&nbsp;');
                    918:                 }
                    919:             } else {
                    920:                 $r->print('&nbsp;');
                    921:             }
                    922:             $r->print('</td>');
                    923:             $r->print(&Apache::loncommon::end_data_table_row());
                    924:             $count ++;
                    925:         }
                    926:     }
                    927: }
                    928: 
                    929: 
1.104     raeburn   930: sub update_access {
1.137     albertel  931:     my ($r,$url,$group,$port_path) = @_;
1.104     raeburn   932:     my $totalprocessed = 0;
                    933:     my %processing;
                    934:     my %title  = (
1.108     raeburn   935:                          'activate' => 'New control(s) added',
                    936:                          'delete'   => 'Existing control(s) deleted',
                    937:                          'update'   => 'Existing control(s) modified',
1.104     raeburn   938:                      );
1.108     raeburn   939:     my $changes;
1.104     raeburn   940:     foreach my $chg (sort(keys(%title))) {     
                    941:         @{$processing{$chg}} = &Apache::loncommon::get_env_multiple('form.'.$chg);
                    942:         $totalprocessed += @{$processing{$chg}};
                    943:         foreach my $num (@{$processing{$chg}}) {
                    944:             my $scope = $env{'form.scope_'.$num};
                    945:             my ($start,$end) = &get_dates_from_form($num);
                    946:             my $newkey = $num.':'.$scope.'_'.$end.'_'.$start;
                    947:             if ($chg eq 'delete') {
                    948:                 $$changes{$chg}{$newkey} = 1;
                    949:             } else {
                    950:                 $$changes{$chg}{$newkey} = 
1.108     raeburn   951:                             &build_access_record($num,$scope,$start,$end,$chg);
1.104     raeburn   952:             }
                    953:         }
                    954:     }
                    955:     my $file_name = $env{'form.currentpath'}.$env{'form.selectfile'};
1.142     raeburn   956:     $r->print('<h3>'.&mt('Allowing others to retrieve file: [_1]',
1.133     raeburn   957:               $port_path.$file_name).'</h3>'."\n");
1.138     albertel  958:     $file_name = &prepend_group($file_name);
                    959:     my ($uname,$udom) = &get_name_dom();
1.104     raeburn   960:     my ($errors,$outcome,$deloutcome,$new_values,$translation);
                    961:     if ($totalprocessed) {
                    962:         ($outcome,$deloutcome,$new_values,$translation) =
1.108     raeburn   963:         &Apache::lonnet::modify_access_controls($file_name,$changes,$udom,
                    964:                                                 $uname);
1.104     raeburn   965:     }
1.108     raeburn   966:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                    967:                                                                        $uname);
1.109     albertel  968:     my %access_controls = 
                    969: 	&Apache::lonnet::get_access_controls($current_permissions,
                    970: 					     $group,$file_name);
1.104     raeburn   971:     if ($totalprocessed) {
                    972:         if ($outcome eq 'ok') {
                    973:             my $updated_controls = $access_controls{$file_name};
                    974:             my ($showstart,$showend);
                    975:             $r->print(&Apache::loncommon::start_data_table());
1.110     albertel  976:             $r->print(&Apache::loncommon::start_data_table_header_row());
1.108     raeburn   977:             $r->print('<th>'.&mt('Type of change').'</th><th>'.
                    978:                       &mt('Access control').'</th><th>'.&mt('Dates available').
                    979:                       '</th><th>'.&mt('Additional information').'</th>');
1.110     albertel  980:             $r->print(&Apache::loncommon::end_data_table_header_row());
1.104     raeburn   981:             foreach my $chg (sort(keys(%processing))) {
                    982:                 if (@{$processing{$chg}} > 0) {
                    983:                     if ($chg eq 'delete') {
                    984:                         if (!($deloutcome eq 'ok')) {
1.116     albertel  985:                             $errors .='<span class="LC_error">'.
                    986: 				&mt('A problem occurred deleting access controls: [_1]',$deloutcome).
                    987: 				'</span>';
1.104     raeburn   988:                             next;
                    989:                         }
                    990:                     }
                    991:                     my $numchgs = @{$processing{$chg}};
                    992:                     $r->print(&Apache::loncommon::start_data_table_row());
1.108     raeburn   993:                     $r->print('<td rowspan="'.$numchgs.'">'.&mt($title{$chg}).
                    994:                               '.</td>');
1.104     raeburn   995:                     my $count = 0;
1.120     raeburn   996:                     my %todisplay;
1.104     raeburn   997:                     foreach my $key (sort(keys(%{$$changes{$chg}}))) {
1.120     raeburn   998:                         my ($num,$scope,$end,$start) = &unpack_acc_key($key);
1.104     raeburn   999:                         my $newkey = $key;
                   1000:                         if ($chg eq 'activate') {
                   1001:                             $newkey =~ s/^(\d+)/$$translation{$1}/;
                   1002:                         }
1.120     raeburn  1003:                         $todisplay{$scope}{$newkey} = $$updated_controls{$newkey};
1.104     raeburn  1004:                     }
1.120     raeburn  1005:                     &build_access_summary($r,$count,$chg,%todisplay);  
1.104     raeburn  1006:                 }
                   1007:             }
                   1008:             $r->print(&Apache::loncommon::end_data_table());
                   1009:         } else {
                   1010:             if ((@{$processing{'activate'}} > 0) || (@{$processing{'update'}} > 0)) {
1.116     albertel 1011:                 $errors .= '<span class="LC_error">'.
1.179     albertel 1012: 		    &mt('A problem occurred saving access control settings: [_1]',$outcome).
1.116     albertel 1013: 		    '</span>';
1.104     raeburn  1014:             }
                   1015:         }
                   1016:         if ($errors) { 
                   1017:             $r->print($errors);
                   1018:         }
                   1019:     }
1.108     raeburn  1020:     my $allnew = 0;
                   1021:     my $totalnew = 0;
                   1022:     my $status = 'new';
                   1023:     my ($firstitem,$lastitem);
1.170     raeburn  1024:     foreach my $newitem ('course','domains','users') {
1.108     raeburn  1025:         $allnew += $env{'form.new'.$newitem};
                   1026:     }
                   1027:     if ($allnew > 0) {
                   1028:         my $now = time;
                   1029:         my $then = $now + (60*60*24*180); # six months approx.
1.138     albertel 1030:         &open_form($r,$url);
1.170     raeburn  1031:         foreach my $newitem ('course','domains','users') {
1.108     raeburn  1032:             if ($env{'form.new'.$newitem} > 0) {
                   1033:                 $r->print('<br />'.&mt('Add new <b>[_1]-based</b> access control for portfolio file: <b>[_2]</b>',$newitem,$env{'form.currentpath'}.$env{'form.selectfile'}).'<br /><br />');
                   1034:                 $firstitem = $totalnew;
                   1035:                 $lastitem = $totalnew + $env{'form.new'.$newitem};
                   1036:                 $totalnew = $lastitem;
                   1037:                 my @numbers;   
                   1038:                 for (my $i=$firstitem; $i<$lastitem; $i++) {
                   1039:                     push (@numbers,$i);
                   1040:                 }
                   1041:                 &display_access_row($r,$status,$newitem,\@numbers,
                   1042:                                     $access_controls{$file_name},$now,$then);
                   1043:             }
                   1044:         }
1.137     albertel 1045:         &close_form($r,$url);
1.108     raeburn  1046:     } else {
1.153     banghart 1047:         my %anchor_fields = (
                   1048:             'currentpath' => $env{'form.currentpath'},
                   1049:             'access' => $env{'form.selectfile'}
                   1050:         );
                   1051:         $r->print('<br />'.&make_anchor($url, \%anchor_fields, &mt('Display all access settings for this file')));
                   1052:         delete $anchor_fields{'access'};
                   1053:         $r->print('&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&make_anchor($url,\%anchor_fields,&mt('Return to directory listing')));
1.108     raeburn  1054:     }
1.104     raeburn  1055:     return;
                   1056: }
                   1057: 
                   1058: sub build_access_record {
1.108     raeburn  1059:     my ($num,$scope,$start,$end,$chg) = @_;
1.109     albertel 1060:     my $record = {
                   1061: 	type => $scope,
                   1062: 	time => {
                   1063: 	    start => $start,
                   1064: 	    end   => $end
                   1065: 	    },
                   1066: 	    };
                   1067: 		
                   1068:     if ($scope eq 'guest') {	
                   1069:         $record->{'password'} = $env{'form.password'};
1.170     raeburn  1070:     } elsif ($scope eq 'course') {
1.109     albertel 1071:         $record->{'domain'} = $env{'form.crsdom_'.$num};
                   1072: 	$record->{'number'} = $env{'form.crsnum_'.$num};
1.108     raeburn  1073:         my @role_ids;
1.109     albertel 1074:         my @delete_role_ids =
                   1075:             &Apache::loncommon::get_env_multiple('form.delete_role_'.$num);
                   1076: 	my @preserves =
                   1077: 	    &Apache::loncommon::get_env_multiple('form.preserve_role_'.$num);
                   1078: 	if (@delete_role_ids) {
                   1079: 	    foreach my $id (@preserves) {
                   1080: 		if (grep {$_ = $id} (@delete_role_ids)) {
                   1081: 		    next;
                   1082: 		}
                   1083: 		push(@role_ids,$id); 
                   1084: 	    }
                   1085: 	} else {
                   1086: 	    push(@role_ids,@preserves);
                   1087: 	}
                   1088: 
                   1089: 	my $next_id = $env{'form.add_role_'.$num};
                   1090: 	if ($next_id) {
                   1091: 	    push(@role_ids,$next_id);
                   1092: 	}
                   1093: 
1.108     raeburn  1094:         foreach my $id (@role_ids) {
                   1095:             my (@roles,@accesses,@sections,@groups);
                   1096:             if (($id == $next_id) && ($chg eq 'update')) {
1.109     albertel 1097:                 @roles    = split(/,/,$env{'form.role_'.$num.'_'.$next_id});
1.108     raeburn  1098:                 @accesses = split(/,/,$env{'form.access_'.$num.'_'.$next_id});
                   1099:                 @sections = split(/,/,$env{'form.section_'.$num.'_'.$next_id});
1.109     albertel 1100:                 @groups   = split(/,/,$env{'form.group_'.$num.'_'.$next_id});
1.108     raeburn  1101:             } else {
                   1102:                 @roles = &Apache::loncommon::get_env_multiple('form.role_'.$num.'_'.$id);
                   1103:                 @accesses = &Apache::loncommon::get_env_multiple('form.access_'.$num.'_'.$id);
                   1104:                 @sections = &Apache::loncommon::get_env_multiple('form.section_'.$num.'_'.$id);
                   1105:                 @groups = &Apache::loncommon::get_env_multiple('form.group_'.$num.'_'.$id);
                   1106:             }
1.109     albertel 1107: 	    $record->{'roles'}{$id}{'role'}    = \@roles;
                   1108: 	    $record->{'roles'}{$id}{'access'}  = \@accesses;
                   1109: 	    $record->{'roles'}{$id}{'section'} = \@sections;
                   1110: 	    $record->{'roles'}{$id}{'group'}   = \@groups;
1.108     raeburn  1111:         }
                   1112:     } elsif ($scope eq 'domains') {
                   1113:         my @doms = &Apache::loncommon::get_env_multiple('form.dom_'.$num);
1.109     albertel 1114: 	$record->{'dom'} = \@doms;
1.108     raeburn  1115:     } elsif ($scope eq 'users') {
                   1116:         my $userlist = $env{'form.users_'.$num};
1.109     albertel 1117:         $userlist =~ s/\s+//sg;
                   1118: 	my %userhash = map { ($_,1) } (split(/,/,$userlist));
                   1119:         foreach my $user (keys(%userhash)) {
1.108     raeburn  1120:             my ($uname,$udom) = split(/:/,$user);
1.109     albertel 1121: 	    push(@{$record->{'users'}}, {
                   1122: 		'uname' => $uname,
                   1123: 		'udom'  => $udom
                   1124: 		});
                   1125: 	}
1.108     raeburn  1126:     }
1.104     raeburn  1127:     return $record;
                   1128: }
                   1129: 
                   1130: sub get_dates_from_form {
                   1131:     my ($id) = @_;
                   1132:     my $startdate;
                   1133:     my $enddate;
                   1134:     $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate_'.$id);
                   1135:     $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate_'.$id);
                   1136:     if ( exists ($env{'form.noend_'.$id}) ) {
                   1137:         $enddate = 0;
                   1138:     }
                   1139:     return ($startdate,$enddate);
                   1140: }
                   1141: 
1.108     raeburn  1142: sub sort_users {
1.109     albertel 1143:     my ($users) = @_; 
                   1144:     my @curr_users = map {
                   1145: 	$_->{'uname'}.':'.$_->{'udom'}
                   1146:     } (@{$users});
                   1147:     my $curr_user_list = join(",\n",sort(@curr_users));
1.108     raeburn  1148:     return $curr_user_list;
                   1149: }
                   1150: 
1.104     raeburn  1151: sub access_setting_table {
1.170     raeburn  1152:     my ($r,$url,$filename,$access_controls,$action) = @_;
1.104     raeburn  1153:     my ($public,$publictext);
1.170     raeburn  1154:     $publictext ='Off';
1.104     raeburn  1155:     my ($guest,$guesttext);
1.170     raeburn  1156:     $guesttext = 'Off';
1.104     raeburn  1157:     my @courses = ();
                   1158:     my @domains = ();
                   1159:     my @users = ();
                   1160:     my $now = time;
                   1161:     my $then = $now + (60*60*24*180); # six months approx.
1.108     raeburn  1162:     my ($num,$scope,$publicnum,$guestnum);
1.170     raeburn  1163:     my (%acl_count,%end,%start,%conditionals);
1.104     raeburn  1164:     foreach my $key (sort(keys(%{$access_controls}))) {
1.108     raeburn  1165:         ($num,$scope,$end{$key},$start{$key}) = &unpack_acc_key($key);
1.104     raeburn  1166:         if ($scope eq 'public') {
                   1167:             $public = $key;
1.108     raeburn  1168:             $publicnum = $num;
                   1169:             $publictext = &acl_status($start{$key},$end{$key},$now);
                   1170:         } elsif ($scope eq 'guest') {
                   1171:             $guest=$key;
                   1172:             $guestnum = $num;  
                   1173:             $guesttext = &acl_status($start{$key},$end{$key},$now);
1.170     raeburn  1174:         } else {
                   1175:             $conditionals{$scope}{$key} = $$access_controls{$key};
                   1176:             if ($scope eq 'course') {
                   1177:                 push(@courses,$key);
                   1178:             } elsif ($scope eq 'domains') {
                   1179:                 push(@domains,$key);
                   1180:             } elsif ($scope eq 'users') {
                   1181:                 push(@users,$key);
                   1182:             }
1.104     raeburn  1183:         }
1.108     raeburn  1184:         $acl_count{$scope} ++;
1.104     raeburn  1185:     }
1.108     raeburn  1186:     $r->print('<table border="0"><tr><td valign="top">');
1.170     raeburn  1187:     if ($action eq 'chgaccess') {
                   1188:         &standard_settings($r,$now,$then,$url,$filename,\%acl_count,\%start,
                   1189:                            \%end,$public,$publicnum,$publictext,$guest,$guestnum,
                   1190:                            $guesttext,$access_controls,%conditionals);
                   1191:     } else {
                   1192:         &condition_setting($r,$access_controls,$now,$then,\%acl_count,
                   1193:                            \@domains,\@users,\@courses);
                   1194:     }
                   1195:     $r->print('</td></tr></table>');
                   1196: }
                   1197: 
                   1198: sub standard_settings {
                   1199:     my ($r,$now,$then,$url,$filename,$acl_count,$start,$end,$public,$publicnum,
                   1200:       $publictext,$guest,$guestnum,$guesttext,$access_controls,%conditionals)=@_;
                   1201:     $r->print('<h3>'.&mt('Public access: [_1]',$publictext).'</h3>');
1.104     raeburn  1202:     $r->print(&Apache::loncommon::start_data_table());
1.110     albertel 1203:     $r->print(&Apache::loncommon::start_data_table_header_row());
1.108     raeburn  1204:     $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Dates available').'</th>');
1.110     albertel 1205:     $r->print(&Apache::loncommon::end_data_table_header_row());
1.104     raeburn  1206:     $r->print(&Apache::loncommon::start_data_table_row());
1.108     raeburn  1207:     if ($public) {
                   1208:         $r->print('<td>'.&actionbox('old',$publicnum,'public').'</td><td>'.
1.170     raeburn  1209:              &dateboxes($publicnum,$start->{$public},$end->{$public}).'</td>');
1.108     raeburn  1210:     } else {
                   1211:         $r->print('<td>'.&actionbox('new','0','public').'</td><td>'.
                   1212:                   &dateboxes('0',$now,$then).'</td>');
                   1213:     }
                   1214:     $r->print(&Apache::loncommon::end_data_table_row());
                   1215:     $r->print(&Apache::loncommon::end_data_table());
                   1216:     $r->print('</td><td width="40">&nbsp;</td><td valign="top">');
1.170     raeburn  1217:     $r->print('<h3>'.&mt('Passphrase-protected access: [_1]',$guesttext).'</h3>');
1.104     raeburn  1218:     $r->print(&Apache::loncommon::start_data_table());
1.110     albertel 1219:     $r->print(&Apache::loncommon::start_data_table_header_row());
1.108     raeburn  1220:     $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Dates available').
1.120     raeburn  1221:               '</th><th>'. &mt('Passphrase').'</th>');
1.110     albertel 1222:     $r->print(&Apache::loncommon::end_data_table_header_row());
1.108     raeburn  1223:     $r->print(&Apache::loncommon::start_data_table_row());
                   1224:     my $passwd;
                   1225:     if ($guest) {
1.109     albertel 1226:         $passwd = $$access_controls{$guest}{'password'};
1.108     raeburn  1227:         $r->print('<td>'.&actionbox('old',$guestnum,'guest').'</td><td>'.
1.170     raeburn  1228:               &dateboxes($guestnum,$start->{$guest},$end->{$guest}).'</td>');
1.108     raeburn  1229:     } else {
                   1230:         $r->print('<td>'.&actionbox('new','1','guest').'</td><td>'.
                   1231:                   &dateboxes('1',$now,$then).'</td>');
1.104     raeburn  1232:     }
1.108     raeburn  1233:     $r->print('<td><input type="text" size="15" name="password" value="'.
                   1234:               $passwd.'" /></td>');
1.104     raeburn  1235:     $r->print(&Apache::loncommon::end_data_table_row());
                   1236:     $r->print(&Apache::loncommon::end_data_table());
1.170     raeburn  1237:     $r->print('</td></tr><tr><td colspan="3">&nbsp;</td></tr>'.
                   1238:               '<tr><td colspan="3">');
                   1239:     my $numconditionals = 0;
                   1240:     my $conditionstext;
                   1241:     my %cond_status;
                   1242:     foreach my $scope ('domains','users','course') {
                   1243:         $numconditionals += $acl_count->{$scope}; 
                   1244:         if ($acl_count->{$scope} > 0) {
                   1245:             if ($conditionstext ne 'Active') { 
                   1246:                 foreach my $key (keys(%{$conditionals{$scope}})) {
                   1247:                     $conditionstext = &acl_status($start->{$key},$end->{$key},$now);
                   1248:                     if ($conditionstext eq 'Active') {
                   1249:                        last;
                   1250:                     }
                   1251:                 }
                   1252:             }
                   1253:         }
                   1254:     }
                   1255:     if ($conditionstext eq '') {
                   1256:         $conditionstext = 'Off';
                   1257:     }
                   1258:     my %anchor_fields = (
                   1259:             'access' => $env{'form.selectfile'},
                   1260:             'action' => 'chgconditions',
                   1261:             'currentpath' => $env{'form.currentpath'},
                   1262:         );
                   1263:     $r->print('<h3>'.&mt('Conditional access: [_1]',$conditionstext).'</h3>');
                   1264:     if ($numconditionals > 0) {
                   1265:         my $count = 1;
                   1266:         my $chg = 'none';
                   1267:         $r->print(&mt('You have previously set [_1] conditional access controls.',$numconditionals).' '.&make_anchor($url,\%anchor_fields,&mt('Change Conditions')).'<br /><br />');
                   1268:         $r->print(&Apache::loncommon::start_data_table());
                   1269:         $r->print(&Apache::loncommon::start_data_table_header_row());
                   1270:         $r->print('<th>'.&mt('Access control').'</th><th>'.&mt('Dates available').
                   1271:                   '</th><th>'.&mt('Additional information').'</th>');
                   1272:         $r->print(&Apache::loncommon::end_data_table_header_row());
                   1273:         &build_access_summary($r,$count,$chg,%conditionals);
                   1274:         $r->print(&Apache::loncommon::end_data_table());
                   1275:     } else {
                   1276:         $r->print(&make_anchor($url,\%anchor_fields,&mt('Add conditional access')).' '.&mt('based on domain, username, or course affiliation.'));
                   1277:     }
                   1278: }
                   1279: 
                   1280: sub condition_setting {
                   1281:     my ($r,$access_controls,$now,$then,$acl_count,$domains,$users,$courses) = @_;
                   1282:     $r->print('<tr><td valign="top">');
                   1283:     &access_element($r,'domains',$acl_count,$domains,$access_controls,$now,$then);
1.158     albertel 1284:     $r->print('</td><td>&nbsp;</td><td valign="top">');
1.170     raeburn  1285:     &access_element($r,'users',$acl_count,$users,$access_controls,$now,$then);
1.158     albertel 1286:     $r->print('</td></tr><tr><td colspan="3"></td></tr><tr>');
1.170     raeburn  1287:     if ($acl_count->{course} > 0) {
1.158     albertel 1288:         $r->print('<td colspan="3" valign="top">');
                   1289:     } else {
                   1290:         $r->print('<td valign="top">');
                   1291:     }
1.170     raeburn  1292:     &access_element($r,'course',$acl_count,$courses,$access_controls,$now,$then);
1.158     albertel 1293:     $r->print('</td>');
1.108     raeburn  1294:     $r->print('</td></tr></table>');
                   1295: }
                   1296: 
                   1297: sub acl_status {
                   1298:     my ($start,$end,$now) = @_;
                   1299:     if ($start > $now) {
1.170     raeburn  1300:         return 'Inactive';
1.108     raeburn  1301:     }
                   1302:     if ($end && $end<$now) {
1.170     raeburn  1303:         return 'Inactive';
1.108     raeburn  1304:     }
1.170     raeburn  1305:     return 'Active';
1.108     raeburn  1306: }
                   1307: 
                   1308: sub access_element {
                   1309:     my ($r,$type,$acl_count,$items,$access_controls,$now,$then) = @_;
                   1310:     my $title = $type;
                   1311:     $title =~ s/s$//;
                   1312:     $title =~ s/^(\w)/uc($1)/e;
                   1313:     $r->print('<h3>'.&mt('[_1]-based conditional access: ',$title));
                   1314:     if ($$acl_count{$type}) {
                   1315:         $r->print($$acl_count{$type}.' ');
                   1316:         if ($$acl_count{$type} > 1) {
                   1317:             $r->print(&mt('conditions'));
                   1318:         } else {
                   1319:             $r->print(&mt('condition'));
                   1320:         }
                   1321:     } else {
                   1322:         $r->print(&mt('Off'));
                   1323:     }
                   1324:     $r->print('</h3>');
                   1325:     &display_access_row($r,'old',$type,$items,$access_controls,$now,$then);
                   1326:     return;
                   1327: }
                   1328: 
                   1329: sub display_access_row {
                   1330:     my ($r,$status,$type,$items,$access_controls,$now,$then) = @_;
                   1331:     if (@{$items} > 0) {
                   1332:         my @all_doms;
                   1333:         my $colspan = 3;
                   1334:         my $uctype = $type;
                   1335:         $uctype =~ s/^(\w)/uc($1)/e;
                   1336:         $r->print(&Apache::loncommon::start_data_table());
1.110     albertel 1337:         $r->print(&Apache::loncommon::start_data_table_header_row());
                   1338:         $r->print('<th>'.&mt('Action?').'</th><th>'.&mt($uctype).'</th><th>'.
1.108     raeburn  1339:               &mt('Dates available').'</th>');
1.172     raeburn  1340:         if ($type eq 'course' && $status eq 'old') {
1.108     raeburn  1341:             $r->print('<th>'.&mt('Allowed [_1] member affiliations',$type).
                   1342:                       '</th>');
                   1343:             $colspan ++;
                   1344:         } elsif ($type eq 'domains') {
1.178     albertel 1345:             @all_doms = sort(&Apache::lonnet::all_domains());
1.108     raeburn  1346:         }
1.110     albertel 1347:         $r->print(&Apache::loncommon::end_data_table_header_row());
1.108     raeburn  1348:         foreach my $key (@{$items}) {
1.118     albertel 1349: 	    $r->print(&Apache::loncommon::start_data_table_row());
1.170     raeburn  1350:             if ($type eq 'course') {
1.118     albertel 1351:                 &course_row($r,$status,$type,$key,$access_controls,$now,$then);
1.108     raeburn  1352:             } elsif ($type eq 'domains') {
                   1353:                 &domains_row($r,$status,$key,\@all_doms,$access_controls,$now,
                   1354:                             $then);
                   1355:             } elsif ($type eq 'users') {
                   1356:                 &users_row($r,$status,$key,$access_controls,$now,$then);
                   1357:             }
1.118     albertel 1358: 	    $r->print(&Apache::loncommon::end_data_table_row());
1.108     raeburn  1359:         }
                   1360:         if ($status eq 'old') {
1.111     albertel 1361: 	    $r->print(&Apache::loncommon::start_data_table_row());
1.108     raeburn  1362:             $r->print('<td colspan="',$colspan.'">'.&additional_item($type).
                   1363:                       '</td>');
1.111     albertel 1364: 	    $r->print(&Apache::loncommon::end_data_table_row());
1.108     raeburn  1365:         }
                   1366:         $r->print(&Apache::loncommon::end_data_table());
                   1367:     } else {
                   1368:         $r->print(&mt('No [_1]-based conditions defined.<br />',$type).
                   1369:                   &additional_item($type));
                   1370:     }
                   1371:     return;
                   1372: }
                   1373: 
1.110     albertel 1374: sub course_js {
                   1375:     return qq|
1.108     raeburn  1376: <script type="text/javascript">
1.172     raeburn  1377: function setRoleOptions(num,roleid,cdom,cnum,type) {
                   1378:     updateIndexNum = getIndexByValue('update',num);
                   1379:     var addItem = 'add_role_'+num;
                   1380:     var addIndexNum = getIndexByName(addItem);
                   1381:     if (document.portform.elements[addItem].checked) {
                   1382:         document.portform.elements[updateIndexNum].checked = true;
                   1383:         var url = '/adm/portfolio?action=rolepicker&setroles='+num+'_'+roleid+'&cnum='+cnum+'&cdom='+cdom+'&type='+type;
1.108     raeburn  1384:         var title = 'Roles_Chooser';
                   1385:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   1386:         options += ',width=700,height=600';
                   1387:         rolebrowser = open(url,title,options,'1');
                   1388:         rolebrowser.focus();
                   1389:     } else {
1.172     raeburn  1390:         addArray = new Array ('role','access','section','group');
                   1391:         for (var j=0;j<addArray.length;j++) {
                   1392:             var itemIndex = getIndexByName(addArray[j]+'_'+num+'_'+roleid);
                   1393:             document.portform.elements[itemIndex].value = '';
1.108     raeburn  1394:         }
                   1395:     }
                   1396: }
                   1397: 
1.172     raeburn  1398: function getIndexByName(item) {
1.108     raeburn  1399:     for (var i=0;i<document.portform.elements.length;i++) {
1.172     raeburn  1400:         if (document.portform.elements[i].name == item) {
1.108     raeburn  1401:             return i;
                   1402:         }
                   1403:     }
                   1404:     return -1;
                   1405: }
                   1406: 
1.172     raeburn  1407: function getIndexByValue(name,value) {
1.108     raeburn  1408:     for (var i=0;i<document.portform.elements.length;i++) {
                   1409:         if (document.portform.elements[i].name == name && document.portform.elements[i].value == value) {
                   1410:             return i;
                   1411:         }
                   1412:     }
                   1413:     return -1;
                   1414: }
                   1415: 
                   1416: </script>
1.110     albertel 1417: |;
                   1418: }
                   1419: 
                   1420: sub course_row {
1.118     albertel 1421:     my ($r,$status,$type,$item,$access_controls,$now,$then) = @_;
1.115     raeburn  1422:     my $content;
1.110     albertel 1423:     my $defdom = $env{'user.domain'};
                   1424:     if ($status eq 'old') {
1.115     raeburn  1425:         $content = $$access_controls{$item}; 
                   1426:         $defdom =  $content->{'domain'};
1.110     albertel 1427:     }
                   1428:     my $js = &Apache::loncommon::coursebrowser_javascript($defdom)
                   1429: 	.&course_js();
1.120     raeburn  1430:     my $uctype = $type;
                   1431:     $uctype =~ s/^(\w)/uc($1)/e;
1.108     raeburn  1432:     my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
                   1433:                                                     $type);
1.110     albertel 1434:     $r->print('<td>'.$js.&actionbox($status,$num,$scope).'</td>');
1.108     raeburn  1435:     if ($status eq 'old') {
1.115     raeburn  1436:         my $cid = $content->{'domain'}.'_'.$content->{'number'};
1.108     raeburn  1437:         my %course_description = &Apache::lonnet::coursedescription($cid);
1.115     raeburn  1438:         $r->print('<td><input type="hidden" name="crsdom_'.$num.'" value="'.$content->{'domain'}.'" /><input type="hidden" name="crsnum_'.$num.'" value="'.$content->{'number'}.'" />'.$course_description{'description'}.'</td>');
1.108     raeburn  1439:     } elsif ($status eq 'new') {
1.172     raeburn  1440:         $r->print('<td>'.&Apache::loncommon::selectcourse_link('portform','crsnum_'.$num,'crsdom_'.$num,'description_'.$num,$num.'_1',undef,$uctype).'&nbsp;&nbsp;<input type="text" name="description_'.$num.'" size="30" /><input type="hidden" name="crsdom_'.$num.'" /><input type="hidden" name="crsnum_'.$num.'" /></td>');
1.108     raeburn  1441:     }
1.172     raeburn  1442:     $r->print('<td>'.&dateboxes($num,$start,$end));
                   1443:     my $newrole_id = 1;
1.108     raeburn  1444:     if ($status eq 'old') {
1.172     raeburn  1445:         $r->print('</td><td>');
1.108     raeburn  1446:         my $max_id = 0;
1.172     raeburn  1447:         if (keys(%{$content->{'roles'}}) > 0) {
                   1448:             $r->print('<table><tr><th>'.&mt('Action').'</th>'.
                   1449:                       '<th>'.&mt('Roles').'</th>'.
                   1450:                       '<th>'.&mt('Access').'</th>'.
                   1451:                       '<th>'.&mt('Sections').'</th>'.
                   1452:                       '<th>'.&mt('Groups').'</th></tr>');
                   1453:             foreach my $role_id (sort(keys(%{$content->{'roles'}}))) {
                   1454:                 if ($role_id > $max_id) {
                   1455:                     $max_id = $role_id;
                   1456:                 }
                   1457:                 $max_id ++;
                   1458:                 my $role_selects = &role_selectors($num,$role_id,$type,$content,'display');
                   1459:                 $r->print('<tr><td><span style="white-space: nowrap"><label><input type="checkbox" name="delete_role_'.$num.'" value="'.$role_id.'" />'.&mt('Delete').'</label></span><br /><input type="hidden" name="preserve_role_'.$num.'" value="'.$role_id.'" /></td>'.$role_selects.'</tr>');
                   1460:             }
                   1461:             $r->print('</table>');
                   1462:         }
                   1463:         $r->print('<br />'.&mt('Add a roles-based condition').
                   1464:                   '&nbsp;<input type="checkbox" name ="add_role_'.
                   1465:                   $num.'" onClick="javascript:setRoleOptions('."'$num',
                   1466:                   '$max_id','$content->{'domain'}','$content->{'number'}',
                   1467:                   '$uctype'".')" value="" />');
                   1468:         $newrole_id = $max_id;
                   1469:     } else {
                   1470:         $r->print('<input type="hidden" name ="add_role_'.$num.'" value="" />');
1.108     raeburn  1471:     }
1.172     raeburn  1472:     $r->print(&add_course_role($num,$newrole_id));
                   1473:     $r->print('</td>');
1.108     raeburn  1474:     return;
                   1475: }
                   1476: 
1.172     raeburn  1477: sub add_course_role {
                   1478:     my ($num,$max_id) = @_;
                   1479:     my $output;
                   1480:     $output .='<input type="hidden" name="role_'.$num.'_'.$max_id.'" />'.
                   1481:               '<input type="hidden" name="access_'.$num.'_'.$max_id.'" />'.
                   1482:               '<input type="hidden" name="section_'.$num.'_'.$max_id.'" />'.
                   1483:               '<input type="hidden" name="group_'.$num.'_'.$max_id.'" />';
                   1484:     return $output;
                   1485: }
                   1486: 
1.108     raeburn  1487: sub domains_row {
                   1488:     my ($r,$status,$item,$all_doms,$access_controls,$now,$then) = @_;
                   1489:     my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
                   1490:                                                     'domains');
1.112     albertel 1491:     my $dom_select = '<select name="dom_'.$num.'" size="4" multiple="true">'.
1.108     raeburn  1492:                      ' <option value="">'.&mt('Please select').'</option>';
                   1493:     if ($status eq 'old') {
1.109     albertel 1494:         my $content =  $$access_controls{$item};
                   1495: 	foreach my $dom (@{$all_doms}) {
                   1496:             if ((@{$content->{'dom'}} > 0) 
                   1497: 		&& (grep(/^\Q$dom\E$/,@{$content->{'dom'}}))) {
1.108     raeburn  1498:                 $dom_select .= '<option value="'.$dom.'" selected>'.
                   1499:                                $dom.'</option>';
                   1500:             } else {
                   1501:                 $dom_select .= '<option value="'.$dom.'">'.$dom.'</option>';
                   1502:             }
                   1503:         }
                   1504:     } else {
                   1505:         foreach my $dom (@{$all_doms}) {
                   1506:             $dom_select .= '<option value="'.$dom.'">'.$dom.'</option>';
                   1507:         }
                   1508:     }
1.112     albertel 1509:     $dom_select .= '</select>';
1.108     raeburn  1510:     $r->print('<td>'.&actionbox($status,$num,$scope).'</td><td>'.$dom_select.
                   1511:               '</td><td>'.&dateboxes($num,$start,$end).'</td>');
                   1512: }
                   1513: 
                   1514: sub users_row {
                   1515:     my ($r,$status,$item,$access_controls,$now,$then) = @_;
                   1516:     my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
                   1517:                                                     'users');
                   1518:     my $curr_user_list;
                   1519:     if ($status eq 'old') {
1.109     albertel 1520:         my $content = $$access_controls{$item};
                   1521:         $curr_user_list = &sort_users($content->{'users'});
1.108     raeburn  1522:     }
                   1523:     $r->print('<td>'.&actionbox($status,$num,$scope).'</td><td>'.&mt("Format for users' username:domain information:").'<br /><tt>sparty:msu,illini:uiuc  ... etc.</tt><br /><textarea name="users_'.$num.'" cols="30"  rows="5">'.$curr_user_list.'</textarea></td><td>'.&dateboxes($num,$start,$end).'</td>');
                   1524: }
                   1525: 
                   1526: sub additional_item {
                   1527:     my ($type) = @_;
                   1528:     my $output = &mt('Add new [_1] condition(s)?',$type).'&nbsp;'.&mt('Number to add: ').'<input type="text" name="new'.$type.'" size="3" value="0" />';
                   1529:     return $output;
                   1530: }
                   1531: 
                   1532: sub actionbox {
                   1533:     my ($status,$num,$scope) = @_;
1.112     albertel 1534:     my $output = '<span style="white-space: nowrap"><label>';
1.108     raeburn  1535:     if ($status eq 'new') {
1.170     raeburn  1536:         my $checkstate;
                   1537:         if ($scope eq 'domains' || $scope eq 'users' || $scope eq 'course') {
                   1538:             $checkstate = 'checked="checked"';
                   1539:         }
                   1540:         $output .= '<input type="checkbox" name="activate" value="'.$num.'" '.
                   1541:                    $checkstate.'  />'.
1.108     raeburn  1542:         &mt('Activate');
                   1543:     } else {
                   1544:         $output .= '<input type="checkbox" name="delete" value="'.$num.
1.112     albertel 1545:                    '" />'.&mt('Delete').'</label></span><br /><span style="white-space: nowrap">'.
1.108     raeburn  1546:                    '<label><input type="checkbox" name="update" value="'.
                   1547:                    $num.'" />'.&mt('Update');
                   1548:     }
1.112     albertel 1549:     $output .= '</label></span><input type="hidden" name="scope_'.$num.                '" value="'.$scope.'" />';
1.108     raeburn  1550:     return $output;
                   1551: }
                   1552:                                                                                    
                   1553: sub dateboxes {
                   1554:     my ($num,$start,$end) = @_;
                   1555:     my $noend;
                   1556:     if ($end == 0) {
                   1557:         $noend = 'checked="checked"';
                   1558:     }
                   1559:     my $startdate = &Apache::lonhtmlcommon::date_setter('portform',
                   1560:                            'startdate_'.$num,$start,undef,undef,undef,1,undef,
                   1561:                             undef,undef,1);
                   1562:     my $enddate = &Apache::lonhtmlcommon::date_setter('portform',
                   1563:                                'enddate_'.$num,$end,undef,undef,undef,1,undef,
1.112     albertel 1564:                                 undef,undef,1). '&nbsp;&nbsp;<span style="white-space: nowrap"><label>'.
1.108     raeburn  1565:                                 '<input type="checkbox" name="noend_'.
                   1566:                                 $num.'" '.$noend.' />'.&mt('No end date').
1.112     albertel 1567:                                 '</label></span>';
1.108     raeburn  1568:                                                                                    
                   1569:     my $output = &mt('Start: ').$startdate.'<br />'.&mt('End: ').$enddate;
                   1570:     return $output;
                   1571: }
                   1572: 
                   1573: sub unpack_acc_key {
                   1574:     my ($acc_key) = @_;
                   1575:     my ($num,$scope,$end,$start) = ($acc_key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
                   1576:     return ($num,$scope,$end,$start);
                   1577: }
                   1578: 
                   1579: sub set_identifiers {
                   1580:     my ($status,$item,$now,$then,$scope) = @_;
                   1581:     if ($status eq 'old') {
                   1582:         return(&unpack_acc_key($item));
                   1583:     } else {
                   1584:         return($item,$scope,$then,$now);
                   1585:     }
                   1586: } 
                   1587: 
                   1588: sub role_selectors {
1.172     raeburn  1589:     my ($num,$role_id,$type,$content,$caller) = @_;
1.108     raeburn  1590:     my ($output,$cdom,$cnum,$longid);
                   1591:     if ($caller eq 'display') {
                   1592:         $longid = '_'.$num.'_'.$role_id;
1.172     raeburn  1593:         $cdom = $$content{'domain'};
                   1594:         $cnum = $$content{'number'};
1.108     raeburn  1595:     } elsif ($caller eq 'rolepicker') {
                   1596:          $cdom = $env{'form.cdom'};
                   1597:          $cnum = $env{'form.cnum'};
                   1598:     }
1.120     raeburn  1599:     my $uctype = $type;
                   1600:     $uctype =~ s/^(\w)/uc($1)/e;
1.108     raeburn  1601:     my ($sections,$groups,$allroles,$rolehash,$accesshash) =
1.120     raeburn  1602:             &Apache::loncommon::get_secgrprole_info($cdom,$cnum,1,$uctype);
1.108     raeburn  1603:     if (!@{$sections}) {
                   1604:         @{$sections} = ('none');
                   1605:     } else {
                   1606:         unshift(@{$sections},('all','none'));
                   1607:     }
                   1608:     if (!@{$groups}) {
                   1609:         @{$groups} = ('none');
                   1610:     } else {
                   1611:         unshift(@{$groups},('all','none'));
                   1612:     }
                   1613:     my @allacesses = sort(keys(%{$accesshash}));
                   1614:     my (%sectionhash,%grouphash);
                   1615:     foreach my $sec (@{$sections}) {
                   1616:         $sectionhash{$sec} = $sec;
                   1617:     }
                   1618:     foreach my $grp (@{$groups}) {
                   1619:         $grouphash{$grp} = $grp;
                   1620:     }
                   1621:     my %lookup = (
                   1622:                    'role' => $rolehash,
                   1623:                    'access' => $accesshash,
                   1624:                    'section' => \%sectionhash,
                   1625:                    'group' => \%grouphash,
                   1626:                  );
                   1627:     my @allaccesses = sort(keys(%{$accesshash}));
                   1628:     my %allitems = (
                   1629:                     'role' => $allroles,
                   1630:                     'access' => \@allaccesses,
                   1631:                     'section' => $sections,
1.172     raeburn  1632:                     'group' => $groups,
1.108     raeburn  1633:                    );
                   1634:     foreach my $item ('role','access','section','group') {
                   1635:         $output .= '<td><select name="'.$item.$longid.'" multiple="true" size="4">'."\n";
                   1636:         foreach my $entry (@{$allitems{$item}}) {
                   1637:             if ($caller eq 'display') {
                   1638:                 if ((@{$$content{'roles'}{$role_id}{$item}} > 0) && 
                   1639:                     (grep(/^\Q$entry\E$/,@{$$content{'roles'}{$role_id}{$item}}))) {
                   1640:                     $output .= '  <option value="'.$entry.'" selected>'.
                   1641:                                   $lookup{$item}{$entry}.'</option>';
                   1642:                     next;
                   1643:                 }
                   1644:             }
                   1645:             $output .= '  <option value="'.$entry.'">'.
                   1646:                        $lookup{$item}{$entry}.'</option>';
                   1647:         }
                   1648:         $output .= '</select>';
                   1649:     }
                   1650:     $output .= '</td>';
                   1651:     return $output;
                   1652: }
                   1653: 
                   1654: sub role_options_window {
                   1655:     my ($r) = @_;
                   1656:     my $type = $env{'form.type'};
1.172     raeburn  1657:     my $rolenum = $env{'form.setroles'};
                   1658:     my ($num,$role_id) = ($rolenum =~ /^([\d_]+)_(\d+)$/);
                   1659:     my $role_elements;
                   1660:     foreach my $item ('role','access','section','group') {
                   1661:         $role_elements .= "'".$item.'_'.$rolenum."',";
                   1662:     }
                   1663:     $role_elements =~ s/,$//; 
                   1664:     my $role_selects = &role_selectors($num,$role_id,$type,undef,
                   1665:                                        'rolepicker');
1.108     raeburn  1666:     $r->print(<<"END_SCRIPT");
                   1667: <script type="text/javascript">
                   1668: function setRoles() {
1.172     raeburn  1669:     var role_elements = new Array($role_elements);
                   1670:     for (var i=0; i<role_elements.length; i++) {
1.108     raeburn  1671:         var copylist = '';
                   1672:         for (var j=0; j<document.rolepicker.elements[i].length; j++) {
                   1673:             if (document.rolepicker.elements[i].options[j].selected) {
                   1674:                 copylist = copylist + document.rolepicker.elements[i].options[j].value + ',';
                   1675:             }
                   1676:         }
                   1677:         copylist = copylist.substr(0,copylist.length-1);
1.172     raeburn  1678:         var openerItem = getIndexByName(role_elements[i]);
                   1679:         opener.document.portform.elements[openerItem].value = copylist; 
1.108     raeburn  1680:     }
1.172     raeburn  1681:     var roleAdder = getIndexByName('add_role_$num');
                   1682:     opener.document.portform.elements[roleAdder].value = '$role_id';
1.108     raeburn  1683:     self.close();
                   1684: }
1.172     raeburn  1685: 
                   1686: function getIndexByName(item) {
                   1687:     for (var i=0;i<opener.document.portform.elements.length;i++) {
                   1688:         if (opener.document.portform.elements[i].name == item) {
                   1689:             return i;
                   1690:         }
                   1691:     }
                   1692:     return -1;
                   1693: }
                   1694: 
1.108     raeburn  1695: </script>
                   1696: END_SCRIPT
                   1697:     $r->print(&mt('Select roles, course status, section(s) and group(s) for users who will be able to access the portfolio file.'));
1.170     raeburn  1698:     $r->print('<form name="rolepicker" action="/adm/portfolio" method="post"><table><tr><th>'.&mt('Roles').'</th><th>'.&mt('[_1] status',$type).'</th><th>'.&mt('Sections').'</th><th>'.&mt('Groups').'</th></tr><tr>'.$role_selects.'</tr></table><br /><input type="button" name="rolepickbutton" value="Save selections" onclick="setRoles()" />');
1.108     raeburn  1699:     return;
1.104     raeburn  1700: }
                   1701: 
1.47      banghart 1702: sub select_files {
1.138     albertel 1703:     my ($r) = @_;
1.82      albertel 1704:     if ($env{'form.continue'} eq 'true') {
1.60      banghart 1705:         # here we update the selections for the currentpath
                   1706:         # eventually, have to handle removing those not checked, but . . . 
1.83      banghart 1707:         my @items=&Apache::loncommon::get_env_multiple('form.checkfile');
                   1708:         if (scalar(@items)){
1.85      banghart 1709:              &Apache::lonnet::save_selected_files($env{'user.name'}, $env{'form.currentpath'}, @items);
1.83      banghart 1710:         }
1.62      banghart 1711:     } else {
                   1712:             #empty the file for a fresh start
1.83      banghart 1713:             &Apache::lonnet::clear_selected_files($env{'user.name'});
1.62      banghart 1714:     }
1.82      albertel 1715:     my @files = &Apache::lonnet::files_not_in_path($env{'user.name'}, $env{'form.currentpath'});
1.62      banghart 1716:     my $java_files = join ",", @files;
                   1717:     if ($java_files) {
                   1718:         $java_files.=',';
1.60      banghart 1719:     }
1.63      banghart 1720:     my $javascript =(<<ENDSMP);
1.113     albertel 1721:         <script type="text/javascript">
1.48      banghart 1722:         function finishSelect() {
1.62      banghart 1723: ENDSMP
1.63      banghart 1724:     $javascript .= 'fileList = "'.$java_files.'";';
                   1725:     $javascript .= (<<ENDSMP);
1.49      banghart 1726:             for (i=0;i<document.forms.checkselect.length;i++) { 
                   1727:                 if (document.forms.checkselect[i].checked){
1.54      banghart 1728:                     fileList = fileList + document.forms.checkselect.currentpath.value + document.forms.checkselect[i].value + "," ;
1.49      banghart 1729:                 }
                   1730:             }
1.186   ! albertel 1731:             var hwfield = opener.document.getElementsByName('$env{'form.fieldname'}');
        !          1732:             hwfield[0].value = fileList;
1.48      banghart 1733:             self.close();
                   1734:         }
                   1735:         </script>
                   1736: ENDSMP
1.63      banghart 1737:     $r->print($javascript);
1.185     banghart 1738:     $r->print("<h1>".&mt('Select portfolio files')."</h1>".
                   1739:                 &mt('Check as many as you wish in response to the problem.')."<br />");
1.88      albertel 1740:     my @otherfiles=&Apache::lonnet::files_not_in_path($env{'user.name'}, $env{'form.currentpath'});
                   1741:     if (@otherfiles) {
1.185     banghart 1742: 	$r->print("<strong>".&mt('Files selected from other directories:')."</strong><br />");
1.88      albertel 1743: 	foreach my $file (@otherfiles) {
                   1744: 	    $r->print($file."<br />");
                   1745: 	}
1.60      banghart 1746:     }
1.47      banghart 1747: }
1.138     albertel 1748: 
1.176     albertel 1749: 
                   1750: sub check_for_upload {
                   1751:     my ($path,$fname,$group,$element) = @_;
1.174     raeburn  1752:     my $disk_quota = &get_quota($group);
1.176     albertel 1753:     my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?)
1.146     banghart 1754: 
1.176     albertel 1755:     my $portfolio_root = &get_portfolio_root();
                   1756:     my $port_path = &get_port_path();
1.138     albertel 1757:     my ($uname,$udom) = &get_name_dom();
1.38      banghart 1758:     # Fixme --- Move the checking for existing file to LOND error return
1.176     albertel 1759:     my @dir_list=&get_dir_list($portfolio_root,$path);
1.34      banghart 1760:     my $found_file = 0;
1.76      banghart 1761:     my $locked_file = 0;
1.33      banghart 1762:     foreach my $line (@dir_list) {
1.76      banghart 1763:         my ($file_name)=split(/\&/,$line,2);
                   1764:         if ($file_name eq $fname){
1.176     albertel 1765:             $file_name = $path.$file_name;
1.138     albertel 1766:             $file_name = &prepend_group($file_name);
1.33      banghart 1767:             $found_file = 1;
1.102     raeburn  1768:             if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
1.76      banghart 1769:                 $locked_file = 1;
                   1770:             } 
1.33      banghart 1771:         }
                   1772:     }
1.94      raeburn  1773:     my $current_disk_usage = &Apache::lonnet::diskusage($udom,$uname,$portfolio_root);
1.176     albertel 1774: 
1.87      albertel 1775:     if (($current_disk_usage + $filesize) > $disk_quota){
1.185     banghart 1776:         my $msg = '<span class="LC_error">'.
                   1777:                 &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.','<span class="LC_filename">'.$fname.'</span>',$filesize).'</span>'.
                   1778:                   '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage);
1.176     albertel 1779: 	return ('will_exceed_quota',$msg);
                   1780:     } elsif ($found_file) {
                   1781:         if ($locked_file) {
1.185     banghart 1782:             my $msg = '<span class="LC_error">';
                   1783:             $msg .= &mt('Unable to upload [_1] a locked file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>','<span class="LC_filename">'.$port_path.$env{'form.currentpath'}.'</span>');
                   1784:             $msg .= '</span><br />';
                   1785:             $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.','<span class="LC_filename">'.$fname.'</span>');
1.176     albertel 1786: 	    return ('file_locked',$msg);
                   1787: 	} else {
1.185     banghart 1788:             my $msg = '<span class="LC_error">';
                   1789:             $msg .= &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
                   1790:             $msg .= '</span>';
                   1791:             $msg .= '<br />';
                   1792:             $msg .= &mt('To upload, rename or delete existing [_1] in [_2].','<span class="LC_filename">'.$fname.'</span>', $port_path.$env{'form.currentpath'});
1.176     albertel 1793: 	    return ('file_exists',$msg);
                   1794: 	}
                   1795:     }
                   1796: }
                   1797: 
                   1798: sub upload {
                   1799:     my ($r,$url,$group)=@_;
                   1800:     my $fname=&Apache::lonnet::clean_filename($env{'form.uploaddoc.filename'});
                   1801: 
                   1802:     my ($state,$msg) = &check_for_upload($env{'form.currentpath'},
                   1803: 					 $fname,$group,'uploaddoc');
                   1804: 
                   1805:     if ($state eq 'will_exceed_quota'
                   1806: 	|| $state eq 'file_locked'
                   1807: 	|| $state eq 'file_exists' ) {
                   1808: 	$r->print($msg.&done('Back',$url));
                   1809: 	return;
                   1810:     }
                   1811: 
                   1812:     my $port_path = &get_port_path();
                   1813:     my (%allfiles,%codebase,$mode);
                   1814:     if ($env{'form.uploaddoc.filename'} =~ m/(\.htm|\.html|\.shtml)$/i) {
                   1815: 	$mode = 'parse';
                   1816: 	
                   1817:     }
                   1818:     my $result=
                   1819: 	&Apache::lonnet::userfileupload('uploaddoc','',
                   1820: 					$port_path.$env{'form.currentpath'},
                   1821: 					$mode,\%allfiles,\%codebase);
                   1822:     if ($result !~ m|^/uploaded/|) {
1.182     albertel 1823: 	$r->print('<span class="LC_error">'.'An error occurred ('.$result.
1.176     albertel 1824: 		  ') while trying to upload '.&display_file().'</span><br />');
                   1825: 	$r->print(&done('Back',$url));
                   1826:     } else {
                   1827: 	if (%allfiles) {
                   1828: 	    my $state = <<STATE;
                   1829:     <input type="hidden" name="action"      value="upload_embedded" />
                   1830:     <input type="hidden" name="currentpath" value="$env{'form.currentpath'}" />
                   1831:     <input type="hidden" name="fieldname"   value="$env{'form.fieldname'}" />
                   1832:     <input type="hidden" name="mode"        value="$env{'form.mode'}" />
                   1833: STATE
1.183     albertel 1834:             $r->print("<h2>".&mt("Reference Warning")."</h2>");
                   1835:             $r->print("<p>".&mt("Completed upload of the file. This file contained references to other files. You must upload the referenced files or else the uploaded file may not work properly.")."</p>");
                   1836:             $r->print("<p>".&mt("Please select the locations from which the referenced files are to be uploaded.")."</p>");
1.180     albertel 1837: 	    $r->print(&Apache::londocs::ask_for_embedded_content('/adm/portfolio',$state,\%allfiles,\%codebase,
                   1838: 				      {'error_on_invalid_names'   => 1,
                   1839: 				       'ignore_remote_references' => 1,}));
1.176     albertel 1840: 	    $r->print('<p>Or '.&done('Return to directory listing',$url).'</p>');
                   1841: 	} else {
                   1842: 	    $r->print(&done(undef,$url));
                   1843: 	}
                   1844:     }
                   1845: }
                   1846: 
                   1847: sub upload_embedded {
                   1848:     my ($r,$url,$group)=@_;
                   1849:     for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
                   1850: 	next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
1.184     albertel 1851: 	my $orig_uploaded_filename = 
                   1852: 	    $env{'form.embedded_item_'.$i.'.filename'};
                   1853: 
1.176     albertel 1854: 	$env{'form.embedded_orig_'.$i} = 
                   1855: 	    &unescape($env{'form.embedded_orig_'.$i});
                   1856: 	my ($path,$fname) = 
                   1857: 	    ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
1.184     albertel 1858: 	# no path, whole string is fname
                   1859: 	if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
                   1860: 
1.176     albertel 1861: 	$path = $env{'form.currentpath'}.$path;
                   1862: 	$fname = &Apache::lonnet::clean_filename($fname);
                   1863: 
                   1864: 	my ($state,$msg) = &check_for_upload($path,$fname,$group,
                   1865: 					     'embedded_item_'.$i);
                   1866: 
                   1867: 	if ($state eq 'will_exceed_quota'
                   1868: 	    || $state eq 'file_locked'
                   1869: 	    || $state eq 'file_exists' ) {
                   1870: 	    $r->print($msg);
                   1871: 	    next;
                   1872: 	}
                   1873: 
                   1874: 	my $port_path = &get_port_path();
                   1875: 	my $src_path = $env{'form.embedded_orig_'.$i};
                   1876: 	$env{'form.embedded_item_'.$i.'.filename'}=$fname;
                   1877: 	
                   1878: 	my $result=
                   1879: 	    &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
                   1880: 					    $port_path.$path);
                   1881: 	if ($result !~ m|^/uploaded/|) {
1.182     albertel 1882: 	    $r->print('<span class="LC_error">'.'An error occurred ('.$result.
1.184     albertel 1883: 		      ') while trying to upload '.$orig_uploaded_filename.' for embedded element '.$env{'form.embedded_orig_'.$i}.'</span><br />');
1.176     albertel 1884: 	    next;
                   1885: 	} else {
                   1886: 	    $r->print("<p> Uploaded ".
                   1887: 		      &display_file($port_path.$path,$fname).'</p>');
                   1888: 	}
1.25      albertel 1889:     }
1.176     albertel 1890:     $r->print(&done(undef,$url));
1.25      albertel 1891: }
1.126     raeburn  1892: 
1.80      banghart 1893: sub lock_info {
1.137     albertel 1894:     my ($r,$url,$group) = @_;
1.138     albertel 1895:     my ($uname,$udom) = &get_name_dom();
1.102     raeburn  1896:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                   1897:                                                                        $uname);
1.84      banghart 1898:     my $file_name = $env{'form.lockinfo'};
1.138     albertel 1899:     $file_name = &prepend_group($file_name);
1.102     raeburn  1900:     if (defined($file_name) && defined($$current_permissions{$file_name})) {
                   1901:         foreach my $array_item (@{$$current_permissions{$file_name}}) {
1.156     albertel 1902:             next if (ref($array_item) ne 'ARRAY');
                   1903: 
                   1904: 	    my $filetext;
                   1905: 	    if (defined($group)) {
                   1906: 		$filetext = '<strong>'.$env{'form.lockinfo'}.
                   1907: 		    '</strong> (group: '.$group.')'; 
                   1908: 	    } else {
                   1909: 		$filetext = '<strong>'.$file_name.'</strong>';
                   1910: 	    } 
                   1911: 	    
                   1912: 	    my $title ='<strong>'.&Apache::lonnet::gettitle($$array_item[0]).
                   1913: 		'</strong><br />';
                   1914: 	    if ($$array_item[-1] eq 'graded') {
                   1915: 		$r->print(&mt('[_1] was submitted in response to problem: [_2]',
                   1916:                               $filetext,$title));
                   1917: 	    } elsif ($$array_item[-1] eq 'handback') {
                   1918: 		$r->print(&mt('[_1] was handed back in response to problem: [_2]',
                   1919:                               $filetext,$title));
                   1920: 	    } else {
                   1921: 		# submission style lock
                   1922: 		$r->print(&mt('[_1] was submitted in response to problem: [_2]',
                   1923:                               $filetext,$title));
                   1924: 	    }
                   1925: 	    my %course_description = 
                   1926: 		&Apache::lonnet::coursedescription($$array_item[1]);
                   1927: 	    if ( $course_description{'description'} ne '') {
                   1928: 		$r->print(&mt('In the course: <strong>[_1]</strong><br />',
                   1929: 			      $course_description{'description'}));
                   1930: 	    }
1.102     raeburn  1931:         }
1.84      banghart 1932:     }
1.185     banghart 1933:     $r->print(&done(&mt('Back'),$url));
1.80      banghart 1934:     return 'ok';
                   1935: }
1.138     albertel 1936: 
1.25      albertel 1937: sub createdir {
1.138     albertel 1938:     my ($r,$url)=@_;
1.82      albertel 1939:     my $newdir=&Apache::lonnet::clean_filename($env{'form.newdir'});
1.28      albertel 1940:     if ($newdir eq '') {
1.116     albertel 1941:     	$r->print('<span class="LC_error">'.
1.37      banghart 1942: 	    	  &mt("Error: no directory name was provided.").
1.116     albertel 1943: 		      '</span><br />');
1.138     albertel 1944: 	    $r->print(&done(undef,$url));
1.37      banghart 1945: 	    return;
1.94      raeburn  1946:     }
1.138     albertel 1947:     my $portfolio_root = &get_portfolio_root(); 
                   1948:     my @dir_list=&get_dir_list($portfolio_root);
1.37      banghart 1949:     my $found_file = 0;
                   1950:     foreach my $line (@dir_list) {
                   1951:         my ($filename)=split(/\&/,$line,2);
                   1952:         if ($filename eq $newdir){
                   1953:             $found_file = 1;
                   1954:         }
                   1955:     }
                   1956:     if ($found_file){
1.185     banghart 1957:     	    $r->print('<span class="LC_error">'.&mt('Unable to create a directory named').' <strong>'.$newdir.
                   1958:     	            ' </strong>'.&mt('a file or directory by that name already exists.').'</span><br />');
1.37      banghart 1959:     } else {
1.138     albertel 1960:         my ($uname,$udom) = &get_name_dom();
                   1961:         my $port_path = &get_port_path();
1.94      raeburn  1962:         my $result=&Apache::lonnet::mkdiruserfile($uname,$udom,
                   1963: 	         $port_path.$env{'form.currentpath'}.$newdir);
1.37      banghart 1964:         if ($result ne 'ok') {
1.182     albertel 1965:     	    $r->print('<span class="LC_error">'.'An error occurred ('.$result.
1.116     albertel 1966: 	    	      ') while trying to create a new directory '.&display_file().'</span><br />');
1.37      banghart 1967:         }
1.24      albertel 1968:     }
1.82      albertel 1969:     if ($newdir ne $env{'form.newdir'}) {
1.185     banghart 1970:         $r->print(&mt("The new directory name was changed from:<br /><strong>").$env{'form.newdir'}."</strong> ".&mt('to')." <strong>$newdir </strong>");  
1.67      banghart 1971:     }
1.137     albertel 1972:     $r->print(&done(undef,$url));
1.94      raeburn  1973: }
                   1974: 
                   1975: sub get_portfolio_root {
1.163     raeburn  1976:     my ($udom,$uname,$group) = @_;
1.160     raeburn  1977:     if (!(defined($udom)) || !(defined($uname))) {
                   1978:         ($uname,$udom) = &get_name_dom();
                   1979:     }
1.163     raeburn  1980:     my $path = '/userfiles/portfolio';
                   1981:     if (!defined($group)) { 
                   1982:         if (defined($env{'form.group'})) {
                   1983:             $group = $env{'form.group'};      
                   1984:         }
1.94      raeburn  1985:     }
1.163     raeburn  1986:     if (defined($group)) {
                   1987:         $path = '/userfiles/groups/'.$group.'/portfolio';
                   1988:     } 
1.94      raeburn  1989:     return (&Apache::loncommon::propath($udom,$uname).$path);
                   1990: }
                   1991: 
1.126     raeburn  1992: sub get_group_quota {
                   1993:     my ($group) = @_;
                   1994:     my $group_quota; 
                   1995:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   1996:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   1997:     my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);
                   1998:     if (%curr_groups) {
                   1999:         my %group_info =  &Apache::longroup::get_group_settings(
                   2000:                                                     $curr_groups{$group});
                   2001:         $group_quota = $group_info{'quota'}; #expressed in Mb
                   2002:         if ($group_quota) {
                   2003:             $group_quota = 1000 * $group_quota; #expressed in k
                   2004:         } 
                   2005:     }
                   2006:     return $group_quota;
                   2007: } 
                   2008: 
1.94      raeburn  2009: sub get_dir_list {
1.176     albertel 2010:     my ($portfolio_root,$path) = @_;
                   2011:     $path ||= $env{'form.currentpath'};
1.138     albertel 2012:     my ($uname,$udom) = &get_name_dom();
1.176     albertel 2013:     return &Apache::lonnet::dirlist($path,$udom,$uname,$portfolio_root);
1.94      raeburn  2014: }
                   2015: 
                   2016: sub get_name_dom {
                   2017:     my ($uname,$udom);
1.138     albertel 2018:     if (defined($env{'form.group'})) {
1.94      raeburn  2019:         $udom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2020:         $uname = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2021:     } else {
                   2022:         $udom = $env{'user.domain'};
                   2023:         $uname = $env{'user.name'};
                   2024:     }
                   2025:     return ($uname,$udom);
                   2026: }
                   2027: 
1.102     raeburn  2028: sub prepend_group {
1.138     albertel 2029:     my ($filename) = @_;
                   2030:     if (defined($env{'form.group'})) {
                   2031:         $filename = $env{'form.group'}.$filename;
1.102     raeburn  2032:     }
                   2033:     return $filename;
                   2034: }
                   2035: 
1.94      raeburn  2036: sub get_namespace {
                   2037:     my $namespace = 'portfolio';
1.138     albertel 2038:     if (defined($env{'form.group'})) {
                   2039:         my ($uname,$udom) = &get_name_dom();
                   2040:         $namespace .= '_'.$udom.'_'.$uname.'_'.$env{'form.group'};
1.94      raeburn  2041:     }
                   2042:     return $namespace;
                   2043: }
                   2044: 
                   2045: sub get_port_path {
                   2046:     my $port_path;
1.138     albertel 2047:     if (defined($env{'form.group'})) {
                   2048:        $port_path = "groups/$env{'form.group'}/portfolio";
1.94      raeburn  2049:     } else {
                   2050:        $port_path = 'portfolio';
                   2051:     }
                   2052:     return $port_path;
1.24      albertel 2053: }
                   2054: 
1.120     raeburn  2055: sub missing_priv {
1.138     albertel 2056:     my ($r,$url,$priv) = @_;
1.120     raeburn  2057:     my $longtext = {
                   2058:                       upload => 'upload files',
                   2059:                       delete => 'delete files',
                   2060:                       rename => 'rename files',
                   2061:                       setacl => 'set access controls for files',
                   2062:                    };
                   2063:     my $escpath = &HTML::Entities::encode($env{'form.currentpath'},'&<>"');
                   2064:     my $rtnlink = '<a href="'.$url;
                   2065:     if ($url =~ /\?/) {
                   2066:         $rtnlink .= '&';
                   2067:     } else {
                   2068:         $rtnlink .= '?';
                   2069:     }
                   2070:     $rtnlink .= 'currentpath='.$escpath;
                   2071:     $r->print(&mt('<h3>Action disallowed</h3>'));
                   2072:     $r->print(&mt('You do not have sufficient privileges to [_1] ',
                   2073:                   $longtext->{$priv}));
1.138     albertel 2074:     if (defined($env{'form.group'})) {
1.120     raeburn  2075:         $r->print(&mt("in the group's file repository."));
1.137     albertel 2076:         $rtnlink .= &group_args()
1.120     raeburn  2077:     } else {
                   2078:         $r->print(&mt('in this portfolio.'));
                   2079:     }
                   2080:     $rtnlink .= '">'.&mt('Return to directory listing page').'</a>';
                   2081:     $r->print('<br />'.$rtnlink);
                   2082:     $r->print(&Apache::loncommon::end_page());
                   2083:     return;
                   2084: }
                   2085: 
1.132     raeburn  2086: sub coursegrp_portfolio_header {
1.137     albertel 2087:     my ($cdom,$cnum,$grp_desc)=@_;
1.132     raeburn  2088:     my $gpterm  = &Apache::loncommon::group_term();
                   2089:     my $ucgpterm = $gpterm;
                   2090:     $ucgpterm =~ s/^(\w)/uc($1)/e;
1.137     albertel 2091:     if ($env{'form.ref'}) {
1.136     raeburn  2092:         &Apache::lonhtmlcommon::add_breadcrumb
                   2093:             ({href=>"/adm/coursegroups",
                   2094:               text=>"Groups",
                   2095:               title=>"Course Groups"});
                   2096:     }
1.132     raeburn  2097:     &Apache::lonhtmlcommon::add_breadcrumb
1.138     albertel 2098:         ({href=>"/adm/$cdom/$cnum/$env{'form.group'}/smppg?ref=$env{'form.ref'}",
1.132     raeburn  2099:           text=>"$ucgpterm: $grp_desc",
                   2100:           title=>"Go to group's home page"},
1.137     albertel 2101:          {href=>"/adm/coursegrp_portfolio?".&group_args(),
1.132     raeburn  2102:           text=>"Group Portfolio",
1.136     raeburn  2103:           title=>"Display group portfolio"});
1.132     raeburn  2104:     my $output = &Apache::lonhtmlcommon::breadcrumbs(
                   2105:                          &mt('[_1] portfolio files - [_2]',$gpterm,$grp_desc));
                   2106:     return $output;
                   2107: }
                   2108: 
1.174     raeburn  2109: sub get_quota {
                   2110:     my ($group) = @_;
                   2111:     my $disk_quota;
                   2112:     if (defined($group)) {
                   2113:         my $grp_quota = &get_group_quota($group); # quota expressed in k
                   2114:         if ($grp_quota ne '') {
                   2115:             $disk_quota = $grp_quota;
                   2116:         } else {
                   2117:             $disk_quota = 0;
                   2118:         }
                   2119:     } else {
                   2120:         $disk_quota = &Apache::loncommon::get_user_quota($env{'user.name'},
                   2121:                                     $env{'user.domain'}); #expressed in Mb
                   2122:         $disk_quota = 1000 * $disk_quota; # convert from Mb to kb
                   2123:     }
                   2124:     return $disk_quota;
                   2125: }
                   2126: 
1.24      albertel 2127: sub handler {
                   2128:     # this handles file management
                   2129:     my $r = shift;
1.73      banghart 2130:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.108     raeburn  2131:          ['selectfile','currentpath','meta','lockinfo','currentfile','action',
                   2132: 	  'fieldname','mode','rename','continue','group','access','setnum',
1.136     raeburn  2133:           'cnum','cdom','type','setroles','showversions','ref']);
1.138     albertel 2134:     my ($uname,$udom,$portfolio_root,$url,$caller,$title,$group,$grp_desc);
1.94      raeburn  2135:     if ($r->uri =~ m|^(/adm/)([^/]+)|) {
                   2136:         $url = $1.$2;
                   2137:         $caller = $2;
                   2138:     }
1.137     albertel 2139:     my ($can_modify,$can_delete,$can_upload,$can_setacl);
1.94      raeburn  2140:     if ($caller eq 'coursegrp_portfolio') {
                   2141:     #  Needs to be in a course
                   2142:         if (! ($env{'request.course.fn'})) {
                   2143:         # Not in a course
                   2144:             $env{'user.error.msg'}=
                   2145:      "/adm/coursegrp_portfolio:rgf:0:0:Cannot view group portfolio";
                   2146:             return HTTP_NOT_ACCEPTABLE;
                   2147:         }
                   2148:         my $earlyout = 0;
1.136     raeburn  2149:         my $view_permission = 
                   2150:            &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
1.137     albertel 2151:         $env{'form.group'} =~ s/\W//g;
1.138     albertel 2152: 	$group = $env{'form.group'};
1.94      raeburn  2153:         if ($group) {
1.138     albertel 2154:             ($uname,$udom) = &get_name_dom();
1.99      raeburn  2155:             my %curr_groups = &Apache::longroup::coursegroups($udom,$uname,
1.98      albertel 2156: 							       $group); 
                   2157:             if (%curr_groups) {
1.132     raeburn  2158:                 my %grp_content = &Apache::longroup::get_group_settings(
                   2159:                                                          $curr_groups{$group});
                   2160:                 $grp_desc = &unescape($grp_content{'description'});
1.94      raeburn  2161:                 if (($view_permission) || (&Apache::lonnet::allowed('rgf',
                   2162:                                       $env{'request.course.id'}.'/'.$group))) {
1.138     albertel 2163:                     $portfolio_root = &get_portfolio_root();
1.94      raeburn  2164:                 } else {
1.185     banghart 2165:                     $r->print(&mt('You do not have the privileges required to access the shared files space for this group.'));
1.94      raeburn  2166:                     $earlyout = 1;
                   2167:                 }
                   2168:             } else {
1.185     banghart 2169:                 $r->print(&mt('Not a valid group for this course'));
1.94      raeburn  2170:                 $earlyout = 1;
                   2171:             }
                   2172:             $title = &mt('Group files').' for '.$group; 
                   2173:         } else {
1.185     banghart 2174:             $r->print(&mt('Invalid group'));
1.94      raeburn  2175:             $earlyout = 1;
                   2176:         }
                   2177:         if ($earlyout) { return OK; }
1.126     raeburn  2178:         if (&Apache::lonnet::allowed('mdg',$env{'request.course.id'})) {
1.120     raeburn  2179:             $can_modify = 1;
                   2180:             $can_delete = 1;
1.126     raeburn  2181:             $can_upload = 1;
                   2182:             $can_setacl = 1;
                   2183:         } else {
                   2184:             if (&Apache::lonnet::allowed('agf',$env{'request.course.id'}.'/'.$group)) {
                   2185:                 $can_setacl = 1;
                   2186:             }
                   2187:             if (&Apache::lonnet::allowed('ugf',$env{'request.course.id'}.'/'.$group)) {
                   2188:                 $can_upload = 1;
                   2189:             }
                   2190:             if (&Apache::lonnet::allowed('mgf',$env{'request.course.id'}.'/'.$group)) {
                   2191:                 $can_modify = 1;
                   2192:             }
                   2193:             if (&Apache::lonnet::allowed('dgf',$env{'request.course.id'}.'/'.$group)) {
                   2194:                 $can_delete = 1;
                   2195:             }
1.120     raeburn  2196:         }
1.94      raeburn  2197:     } else {
                   2198:         ($uname,$udom) = &get_name_dom();
                   2199:         $portfolio_root = &get_portfolio_root();
                   2200:         $title = &mt('Portfolio Manager');
1.120     raeburn  2201:         $can_modify = 1;
                   2202:         $can_delete = 1;
                   2203:         $can_upload = 1;
                   2204:         $can_setacl = 1;
1.94      raeburn  2205:     }
                   2206: 
1.138     albertel 2207:     my $port_path = &get_port_path();
1.24      albertel 2208:     &Apache::loncommon::no_cache($r);
                   2209:     &Apache::loncommon::content_type($r,'text/html');
                   2210:     $r->send_http_header;
                   2211:     # Give the LON-CAPA page header
1.82      albertel 2212:     if ($env{"form.mode"} eq 'selectfile'){
1.96      albertel 2213:         $r->print(&Apache::loncommon::start_page($title,undef,
1.97      albertel 2214: 						 {'only_body' => 1}));
1.108     raeburn  2215:     } elsif ($env{'form.action'} eq 'rolepicker') {
                   2216:         $r->print(&Apache::loncommon::start_page('New role-based condition',undef,
                   2217:                                                  {'no_nav_bar'  => 1, }));
1.74      banghart 2218:     } else {
1.97      albertel 2219:         $r->print(&Apache::loncommon::start_page($title));
1.74      banghart 2220:     }
1.24      albertel 2221:     $r->rflush();
1.175     raeburn  2222:     my ($blocked,$blocktext) = 
                   2223:         &Apache::loncommon::blocking_status('port',$uname,$udom);
                   2224:     if ($blocked) {
                   2225:          $r->print($blocktext);
                   2226:          $r->print(&Apache::loncommon::end_page());
                   2227:          return OK;
                   2228:     }
1.88      albertel 2229: 	if (($env{'form.storeupl'}) & (!$env{'form.uploaddoc.filename'})){
1.185     banghart 2230:    	    $r->print('<span class="LC_error">');
                   2231:    	    $r->print(&mt('No file was selected to upload. '));
                   2232: 	    $r->print(&mt('To upload a file, click <strong>Browse...</strong> select a file, then click <strong>Upload</strong>.'));
                   2233: 	    $r->print('</span>');
1.40      banghart 2234: 	}
1.82      albertel 2235:     if ($env{'form.meta'}) {
1.94      raeburn  2236:         &open_form($r,$url);
1.185     banghart 2237:         $r->print(&mt('Edit the meta data').'<br />');
1.137     albertel 2238:         &close_form($r,$url);
1.70      banghart 2239:     }
1.82      albertel 2240:     if ($env{'form.store'}) {
1.70      banghart 2241:     }
                   2242: 
1.82      albertel 2243:     if ($env{'form.uploaddoc.filename'}) {
1.120     raeburn  2244:         if ($can_upload) {
1.137     albertel 2245: 	    &upload($r,$url,$group);
1.120     raeburn  2246:         } else {
1.138     albertel 2247:             &missing_priv($r,$url,'upload');
1.120     raeburn  2248:         }
1.176     albertel 2249:     } elsif ($env{'form.action'} eq 'upload_embedded') {
                   2250: 	if ($can_upload) {
                   2251: 	    &upload_embedded($r,$url,$group);
                   2252:         } else {
                   2253:             &missing_priv($r,$url,'upload');
                   2254:         }
1.82      albertel 2255:     } elsif ($env{'form.action'} eq 'delete' && $env{'form.confirmed'}) {
1.120     raeburn  2256:         if ($can_delete) {
1.164     raeburn  2257: 	    &delete_confirmed($r,$url,$group);
1.120     raeburn  2258:         } else {
1.138     albertel 2259:             &missing_priv($r,$url,'delete');
1.120     raeburn  2260:         }
1.82      albertel 2261:     } elsif ($env{'form.action'} eq 'delete') {
1.120     raeburn  2262:         if ($can_delete) {
1.138     albertel 2263: 	    &delete($r,$url);
1.120     raeburn  2264:         } else {
1.138     albertel 2265:             &missing_priv($r,$url,'delete');
1.120     raeburn  2266:         }
1.82      albertel 2267:     } elsif ($env{'form.action'} eq 'deletedir' && $env{'form.confirmed'}) {
1.120     raeburn  2268:         if ($can_delete) {
1.138     albertel 2269: 	    &delete_dir_confirmed($r,$url);
1.120     raeburn  2270:         } else {
1.138     albertel 2271:             &missing_priv($r,$url,'delete');
1.120     raeburn  2272:         }
                   2273:     } elsif ($env{'form.action'} eq 'deletedir') {
                   2274:         if ($can_delete) {
1.137     albertel 2275: 	    &delete_dir($r,$url);
1.120     raeburn  2276:         } else {
1.138     albertel 2277:             &missing_priv($r,$url,'delete');
1.120     raeburn  2278:         }
1.82      albertel 2279:     } elsif ($env{'form.action'} eq 'rename' && $env{'form.confirmed'}) {
1.120     raeburn  2280:         if ($can_modify) {
1.164     raeburn  2281: 	    &rename_confirmed($r,$url,$group);
1.120     raeburn  2282:         } else {
1.138     albertel 2283:             &missing_priv($r,$url,'rename');
1.120     raeburn  2284:         }
1.82      albertel 2285:     } elsif ($env{'form.rename'}) {
                   2286:         $env{'form.selectfile'} = $env{'form.rename'};
                   2287:         $env{'form.action'} = 'rename';
1.120     raeburn  2288:         if ($can_modify) {
1.138     albertel 2289: 	    &rename($r,$url);
1.120     raeburn  2290:         } else {
1.138     albertel 2291:             &missing_priv($r,$url,'rename');
1.120     raeburn  2292:         }
1.104     raeburn  2293:     } elsif ($env{'form.access'}) {
                   2294:         $env{'form.selectfile'} = $env{'form.access'};
1.170     raeburn  2295:         if (!defined($env{'form.action'})) { 
                   2296:             $env{'form.action'} = 'chgaccess';
                   2297:         }
                   2298:         &display_access($r,$url,$group,$can_setacl,$port_path,$env{'form.action'});
                   2299:     } elsif (($env{'form.action'} eq 'chgaccess') || 
                   2300:              ($env{'form.action'} eq 'chgconditions')) {
1.120     raeburn  2301:         if ($can_setacl) {
1.137     albertel 2302:             &update_access($r,$url,$group,$port_path);
1.120     raeburn  2303:         } else {
1.138     albertel 2304:             &missing_priv($r,$url,'setacl');
1.120     raeburn  2305:         }
1.108     raeburn  2306:     } elsif ($env{'form.action'} eq 'rolepicker') {
1.120     raeburn  2307:         if ($can_setacl) { 
                   2308:             &role_options_window($r);
                   2309:         } else {
1.138     albertel 2310:             &missing_priv($r,$url,'setacl');
1.120     raeburn  2311:         }
1.82      albertel 2312:     } elsif ($env{'form.createdir'}) {
1.120     raeburn  2313:         if ($can_upload) {
1.138     albertel 2314: 	    &createdir($r,$url);
1.120     raeburn  2315:         } else {
1.138     albertel 2316:             &missing_priv($r,$url,'upload');
1.120     raeburn  2317:         }
1.82      albertel 2318:     } elsif ($env{'form.lockinfo'}) {
1.137     albertel 2319:         &lock_info($r,$url,$group);
1.24      albertel 2320:     } else {
                   2321: 	my $current_path='/';
1.82      albertel 2322: 	if ($env{'form.currentpath'}) {
                   2323: 	    $current_path = $env{'form.currentpath'};
1.24      albertel 2324: 	}
1.132     raeburn  2325:         if ($caller eq 'coursegrp_portfolio') {
                   2326:             &Apache::lonhtmlcommon::clear_breadcrumbs();
1.137     albertel 2327:             $r->print(&coursegrp_portfolio_header($udom,$uname,$grp_desc));
1.132     raeburn  2328:         }
1.138     albertel 2329:         my @dir_list=&get_dir_list($portfolio_root);
1.46      albertel 2330: 	if ($dir_list[0] eq 'no_such_dir'){
                   2331: 	    # two main reasons for this:
                   2332:             #    1) never been here, so directory structure not created
                   2333: 	    #    2) back-button navigation after deleting a directory
                   2334: 	    if ($current_path eq '/'){
1.100     albertel 2335: 	        &Apache::lonnet::mkdiruserfile($uname,$udom,
1.138     albertel 2336: 					       &get_port_path());
1.46      albertel 2337: 	    } else {
                   2338:                 # some directory that snuck in get rid of the directory
                   2339:                 # from the recent pulldown, just in case
                   2340: 		&Apache::lonhtmlcommon::remove_recent('portfolio',
                   2341: 						      [$current_path]);
                   2342: 		$current_path = '/'; # force it back to the root        
                   2343: 	    }
                   2344: 	    # now grab the directory list again, for the first time
                   2345: 	    @dir_list=&Apache::lonnet::dirlist($current_path,
1.94      raeburn  2346: 					    $udom,$uname,$portfolio_root);
1.43      banghart 2347:         }
1.46      albertel 2348: 	# need to know if directory is empty so it can be removed if desired
                   2349: 	my $is_empty=(@dir_list == 2);
1.137     albertel 2350: 	&display_common($r,$url,$current_path,$is_empty,\@dir_list,
                   2351: 			$can_upload);
1.138     albertel 2352:         &display_directory($r,$url,$current_path,$is_empty,\@dir_list,$group,
1.137     albertel 2353:                            $can_upload,$can_modify,$can_delete,$can_setacl);
1.95      albertel 2354: 	$r->print(&Apache::loncommon::end_page());
1.30      banghart 2355:     }
1.90      albertel 2356:     return OK;
1.2       banghart 2357: }
1.120     raeburn  2358: 
1.1       banghart 2359: 1;
                   2360: __END__

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