File:  [LON-CAPA] / loncom / interface / portfolio.pm
Revision 1.168: download - view: text, annotated - select for diffs
Wed Nov 1 16:09:04 2006 UTC (17 years, 7 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
- style police

    1: # The LearningOnline Network
    2: # portfolio browser
    3: #
    4: # $Id: portfolio.pm,v 1.168 2006/11/01 16:09:04 albertel Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or 
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::portfolio;
   30: use strict;
   31: use Apache::Constants qw(:common :http);
   32: use Apache::loncommon;
   33: use Apache::lonnet;
   34: use Apache::lontexconvert;
   35: use Apache::lonfeedback;
   36: use Apache::lonlocal;
   37: use Apache::lonnet;
   38: use Apache::longroup;
   39: use Apache::lonhtmlcommon;
   40: use HTML::Entities;
   41: use LONCAPA;
   42: 
   43: sub group_args {
   44:     my $output;
   45:     if (defined($env{'form.group'})) {
   46:         $output .= '&group='.$env{'form.group'};
   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'})) {
   57: 	$output = '<input type="hidden" name="group" value="'.$env{'form.group'}.'" />';
   58: 	if (exists($env{'form.ref'})) {
   59: 	    $output .= '<input type="hidden" name="ref" value="'.
   60: 		$env{'form.ref'}.'" />';
   61: 	}
   62:     }
   63:     return $output;
   64: } 
   65: 
   66: # receives a file name and path stub from username/userfiles/portfolio/
   67: # returns an anchor tag consisting encoding filename and currentpath
   68: sub make_anchor {
   69:     my ($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:     }
   75:     $anchor =~ s/&amp;$//;
   76:     $anchor .= &group_args();
   77:     $anchor .= '">'.$inner_text.'</a>';
   78:     return $anchor;
   79: }
   80: 
   81: my $dirptr=16384;
   82: sub display_common {
   83:     my ($r,$url,$current_path,$is_empty,$dir_list,$can_upload)=@_;
   84:     my $namespace = &get_namespace();
   85:     my $port_path = &get_port_path();
   86:     if ($can_upload) {
   87:         my $groupitem = &group_form_data();
   88: 
   89:         my $iconpath= $r->dir_config('lonIconsURL') . "/";
   90:         my %text=&Apache::lonlocal::texthash(
   91: 					 'upload' => 'Upload',
   92: 					 'upload_label' =>  
   93: 					 'Upload file to current directory:',
   94: 					 'createdir' => 'Create Subdirectory',
   95: 					 'createdir_label' => 
   96: 					 'Create subdirectory in current directory:');
   97:         my $escuri = &HTML::Entities::encode($r->uri,'&<>"');
   98: 	my $help_fileupload = &Apache::loncommon::help_open_topic('Portfolio AddFiles');
   99: 	my $help_createdir = &Apache::loncommon::help_open_topic('Portfolio CreateDirectory');
  100: 		
  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: 
  104: 		
  105:         $r->print(<<"TABLE"); 
  106: <table id="LC_portfolio_actions">
  107:   <tr id="LC_portfolio_upload">
  108:     <td class="LC_label">
  109:       $text{'upload_label'}
  110:     </td>
  111:     <td class="LC_value">
  112:       <form method="post" enctype="multipart/form-data" action="$escuri">
  113:         $groupitem 
  114:         <input name="uploaddoc" type="file" />
  115: 	<input type="hidden" name="currentpath" value="$current_path" />
  116: 	<input type="hidden" name="action" value="$env{"form.action"}" />
  117: 	<input type="hidden" name="fieldname" value="$env{"form.fieldname"}" />
  118: 	<input type="hidden" name="mode" value="$env{"form.mode"}" />
  119: 	<input type="submit" name="storeupl" value="$text{'upload'}" />$help_fileupload
  120:       </form>
  121:     </td>
  122:   </tr>
  123:   <tr id="LC_portfolio_createdir">
  124:     <td class="LC_label">
  125:       $text{'createdir_label'}
  126:     </td>
  127:     <td class="LC_value">
  128:       <form method="post" action="$escuri">
  129:         <input name="newdir" type="input" />$groupitem
  130:         <input type="hidden" name="currentpath" value="$current_path" />
  131:         <input type="hidden" name="action" value="$env{"form.action"}" />
  132:         <input type="hidden" name="fieldname" value="$env{"form.fieldname"}" />
  133:         <input type="hidden" name="mode" value="$env{"form.mode"}" />
  134:         <input type="submit" name="createdir" value="$text{'createdir'}" />$help_createdir
  135:       </form>
  136:     </td>
  137:   </tr>
  138: </table>
  139: TABLE
  140:     }
  141:     my @tree = split (/\//,$current_path);
  142:     my %anchor_fields = (
  143:         'selectfile'    => $port_path,
  144:         'currentpath'   => '/',
  145:         'mode'          => $env{"form.mode"},
  146:         'fieldname'     => $env{"form.fieldname"},
  147:         'continue'      => $env{"form.continue"}
  148:     );
  149:     $r->print('<span class="LC_current_location">'.&make_anchor($url,\%anchor_fields,$port_path).'/');
  150:     if (@tree > 1){
  151:         my $newCurrentPath = '';
  152:         for (my $i = 1; $i< @tree; $i++){
  153:             $newCurrentPath .= $tree[$i].'/';
  154:             my %anchor_fields = (
  155:                 'selectfile' => $tree[$i],
  156:                 'currentpath' => '/',
  157:                 'mode' => $env{"form.mode"},
  158:                 'fieldname' => $env{"form.fieldname"},
  159:                 'continue' => $env{"form.continue"}
  160:             );
  161:             $r->print(&make_anchor($url,\%anchor_fields,$tree[$i]).'/');
  162:         }
  163:     }
  164:     $r->print('</span>');
  165:     $r->print(&Apache::loncommon::help_open_topic('Portfolio ChangeDirectory'));
  166:     &Apache::lonhtmlcommon::store_recent($namespace,$current_path,$current_path);
  167:     $r->print('<br /><form method="post" action="'.$url.'?mode='.$env{"form.mode"}.'&amp;fieldname='.$env{"form.fieldname"}.&group_args());
  168:     $r->print('">'.
  169: 	      &Apache::lonhtmlcommon::select_recent($namespace,'currentpath',
  170: 						    'this.form.submit();'));
  171:     $r->print("</form>");
  172: }
  173: 
  174: sub display_directory_line {
  175:     my ($r,$select_mode, $filename, $mtime, $size, $css_class,
  176: 	$line, $access_controls, $curr_access, $now, $version_flag,
  177: 	$href_location, $url, $current_path, $access_admin_text, $versions)=@_;
  178: 
  179:     my $fullpath =  &prepend_group($current_path.$filename);
  180:     $r->print('<tr class="'.$css_class.'">');
  181:     $r->print($line); # contains first two cells of table
  182:     my $lock_info;
  183:     if ($version_flag) { # versioned can't be versioned, so TRUE when root file
  184:         $r->print('<td><img alt="" src="'.&Apache::loncommon::icon($filename).'" /></td>');
  185:         $r->print('<td>'.$version_flag.'</td>');
  186:     } else { # this is a graded or handed back file
  187:         my ($user,$domain) = &get_name_dom();
  188:         my $permissions_hash = &Apache::lonnet::get_portfile_permissions($domain,$user);
  189:         if (defined($$permissions_hash{$fullpath})) {
  190:             foreach my $array_item (@{$$permissions_hash{$fullpath}}) {
  191:                 if (ref($array_item) eq 'ARRAY') {
  192:                     if ($$array_item[-1] eq 'handback') {
  193:                         $lock_info = 'Handback';
  194:                     } elsif ($$array_item[-1] eq 'graded') {
  195:                         $lock_info = 'Graded';
  196:                     }
  197:                  }
  198:             }
  199:         }
  200: 	if ($lock_info) {
  201: 	    my %anchor_fields = ('lockinfo' => $fullpath);
  202: 	    if ($versions) { # hold the folder open
  203: 	        my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($fullpath);
  204: 	        $fname =~ s|^/||;
  205: 	        $anchor_fields{'showversions'} = $fname.'.'.$extension;
  206: 	    }
  207: 	    $lock_info = &make_anchor(undef,\%anchor_fields,$lock_info);
  208: 	}
  209: 	$r->print('<td colspan="2">'.$lock_info.'</td>');
  210:     }
  211:     # $r->print('<td>'.$$version_flag{$filename}.'</td><td>');
  212:     $r->print('<td>'.&make_anchor($href_location.$filename,undef,$filename).'</td>'); 
  213:     $r->print('<td>'.$size.'</td>');
  214:     $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
  215:     if ($select_mode ne 'true') {
  216: 	$r->print('<td><span style="white-space: nowrap">'.
  217: 		  &mt($curr_access).'&nbsp;&nbsp;&nbsp;');
  218:         my %anchor_fields = (
  219:             'access' => $filename,
  220:             'currentpath' => $current_path
  221:         );
  222: 	$r->print(&make_anchor($url, \%anchor_fields, $access_admin_text).'</span></td>');
  223:     }
  224:     $r->print('</tr>'.$/);
  225: }
  226: 
  227: sub display_directory {
  228:     my ($r,$url,$current_path,$is_empty,$dir_list,$group,$can_upload,
  229:         $can_modify,$can_delete,$can_setacl)=@_;
  230:     my $iconpath= $r->dir_config('lonIconsURL') . "/";
  231:     my $display_out;
  232:     my $select_mode;
  233:     my $checked_files;
  234:     my $port_path = &get_port_path();
  235:     my ($uname,$udom) = &get_name_dom();
  236:     my $access_admin_text = &mt('View Status');
  237:     if ($can_setacl) {
  238:         $access_admin_text = &mt('View/Change Status');
  239:     }
  240: 
  241:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
  242:                                                                         $uname);
  243:     my %locked_files = &Apache::lonnet::get_marked_as_readonly_hash(
  244:                                                   $current_permissions,$group);
  245:     my %access_controls = &Apache::lonnet::get_access_controls($current_permissions,$group);
  246:     my $now = time;
  247:     if ($env{"form.mode"} eq 'selectfile'){
  248: 	&select_files($r);
  249: 	$checked_files =&Apache::lonnet::files_in_path($uname,$env{'form.currentpath'});
  250: 	$select_mode = 'true';
  251:     } 
  252:     if ($is_empty && ($current_path ne '/') && $can_delete) {
  253:         $display_out = '<form method="post" action="'.$url.'">'.
  254: 	    &group_form_data().
  255:         '<input type="hidden" name="action" value="deletedir" />'.
  256:         '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
  257:         '<input type="hidden" name="selectfile" value="" />'.
  258:         '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
  259:         '</form>';
  260:         
  261:         $r->print($display_out);
  262: 	return;
  263:     }
  264:     if ($select_mode eq 'true') {
  265:         $r->print('<form method="post" name="checkselect" action="'.$url.'">');
  266:         $r->print('<table id="LC_browser">'.
  267:             '<tr><th>Select</th><th>&nbsp;</th><th>&nbsp;</th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
  268:     } else {
  269:         $r->print('<form method="post" action="'.$url.'">');
  270: 	$r->print(&Apache::loncommon::help_open_topic('Portfolio FileList',
  271: 						      'Using the portfolio file list'));
  272:         $r->print('<table id="LC_browser">'.
  273:             '<tr><th colspan="2">Actions</th><th>&nbsp;</th><th>&nbsp;</th><th>Name'.
  274: 		  &Apache::loncommon::help_open_topic('Portfolio OpenFile').
  275: 		  '</th><th>Size</th><th>Last Modified</th><th>Current Access Status'.
  276: 		  &Apache::loncommon::help_open_topic('Portfolio ShareFile').
  277: 		  '</th></tr>');
  278:     }
  279:     $r->print("\n".&group_form_data()."\n");
  280: 
  281:     my $href_location="/uploaded/$udom/$uname/$port_path".$current_path;
  282:     my $href_edit_location="/editupload/$udom/$uname/$port_path".$current_path;
  283:     my @dir_lines;
  284:     my %versioned;
  285:     foreach my $dir_line (sort 
  286: 		      { 
  287: 			  my ($afile)=split('&',$a,2);
  288: 			  my ($bfile)=split('&',$b,2);
  289: 			  return (lc($afile) cmp lc($bfile));
  290: 		      } (@$dir_list)) {
  291:     	#$strip holds directory/file name
  292:     	#$dom 
  293:     	my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$dir_line,16); 
  294:     	$filename =~ s/\s+$//;
  295:     	my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($filename);
  296:     	if ($version) {
  297: 	    my $fullpath = &prepend_group($current_path.$fname.'.'.$extension);
  298:     	    push(@{ $versioned{$fullpath} },
  299: 		 [$filename,$dom,$testdir,$size,$mtime,$obs,]);
  300:     	} else {
  301:     	    push(@dir_lines, [$filename,$dom,$testdir,$size,$mtime,$obs]);
  302:     	}
  303:     }
  304:     foreach my $dir_line (@dir_lines) {
  305:         my ($filename,$dom,$testdir,$size,$mtime,$obs) = @$dir_line;
  306:         my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($filename);
  307:     	if (($filename ne '.') && ($filename ne '..') && ($filename !~ /\.meta$/ ) && ($filename !~ /(.*)\.(\d+)\.([^\.]*)$/)) {
  308:     	    my $version_flag;
  309:     	    my $show_versions;
  310: 	    my $fullpath =  &prepend_group($current_path.$filename);
  311:     	    if ($env{'form.showversions'} =~ /$filename/) {
  312:     	        $show_versions = 'true';
  313:     	    }
  314:     	    if (exists($versioned{$fullpath})) {
  315:     	        my %anchor_fields = (
  316:     	            'selectfile' => $fullpath,
  317:     	            'continue' => 'false',
  318:     	            'currentpath' => $current_path,
  319:     	        );
  320:     	        if ($show_versions) {
  321:     	            # Must preserve other possible showversion files
  322:     	            my $version_remainder = $env{'form.showversions'};
  323:     	            $version_remainder =~ s/$filename//g;    	            
  324:     	            $anchor_fields{'showversions'} = $version_remainder;
  325:                     $version_flag = &make_anchor('portfolio',\%anchor_fields,
  326:                         '<img class="LC_icon" alt="'.&mt('opened folder').'" src="'.$iconpath.'folder_pointer_opened.gif" />');
  327:     	        } else {
  328:     	            # allow multiple files to show versioned
  329:     	            $anchor_fields{'showversions'} = $env{'form.showversions'}.','.$filename;
  330:                     $version_flag = &make_anchor('portfolio',\%anchor_fields,
  331:                         '<img class="LC_icon" alt="'.&mt('closed folder').'" src="'.$iconpath.'folder_pointer_closed.gif" />');
  332:                 }
  333:     	    } else {
  334:     	        $version_flag = '&nbsp;';
  335:     	    }
  336:             if ($dirptr&$testdir) {
  337: 		my $colspan='colspan="2"';
  338:                 if ($select_mode eq 'true'){
  339: 		    undef($colspan);
  340:                 }
  341: 		$r->print('<tr class="LC_browser_folder"><td '.$colspan.'><img alt="'.&mt('closed folder').'" src="'.$iconpath.'folder_closed.gif" /></td>');
  342:                 $r->print('<td>Go to ...</td>');
  343:                 my %anchor_fields = (
  344:                     'selectfile'    => $filename.'/',
  345:                     'currentpath'   => $current_path.$filename.'/',
  346:                     'mode'          => $env{"form.mode"},
  347:                     'fieldname'     => $env{"form.fieldname"},
  348:                     'continue'      => $env{"form.continue"}
  349:                 );  
  350:                 $r->print('<td>'.$version_flag.'</td><td>'.&make_anchor($url,\%anchor_fields,$filename.'/').'</td>'); 
  351:                 $r->print('</tr>'); 
  352:             } else {
  353: 		my $css_class = 'LC_browser_file';
  354: 		my $line;
  355:                 if ($select_mode eq 'true') {
  356:                     $line='<td><input type="checkbox" name="checkfile" value="'.$filename.'"';
  357: 		    if ($$checked_files{$filename} eq 'selected') {
  358:                         $line.=" checked ";
  359:                     }
  360: 		    $line.=' /></td>';
  361:                 } else {
  362:                     if (exists $locked_files{$fullpath}) {
  363:                         my %anchor_fields = (
  364:                             'lockinfo' => $fullpath
  365:                         );
  366:                         $line.='<td colspan="2">'.&make_anchor($url,\%anchor_fields,'Locked').'</td>';
  367: 			$css_class= 'LC_browser_file_locked';
  368:                     } else {
  369:                         if (!$can_modify) {
  370:                             $line .= '<td colspan="2">';
  371:                         } else {
  372:                             $line .= '<td>';
  373:                         }
  374:                         if ($can_delete) {
  375:                             $line .= '<input type="checkbox" name="selectfile" value="'.$filename.'" />';
  376:                         }
  377:                         if ($can_modify) {
  378:                             my $cat='<img class="LC_icon" alt="'.&mt('Catalog Information').
  379:                             '" src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').'" />';
  380:                             my %anchor_fields = (
  381:                                 'rename' => $filename,
  382:                                 currentpath => $current_path
  383:                             );
  384:                             $line .= &make_anchor($url,\%anchor_fields,'Rename');
  385:                             $line .= '</td><td>'.&make_anchor($href_edit_location.$filename.'.meta',\%anchor_fields,$cat);
  386:                             # '<a href="'.$href_edit_location.$filename.'.meta">'.$cat.'</a>';
  387:                         }
  388:                         $line .= '</td>';
  389:                     }
  390:                 }
  391: 		my $curr_access;
  392: 		if ($select_mode ne 'true') {
  393: 		    my $pub_access = 0;
  394: 		    my $guest_access = 0;
  395: 		    my $cond_access = 0;
  396: 		    foreach my $key (sort(keys(%{$access_controls{$fullpath}}))) {
  397: 			my ($num,$scope,$end,$start) = &unpack_acc_key($key);
  398: 			if (($now > $start) && (!$end || $end > $now)) {
  399: 			    if ($scope eq 'public')  {
  400: 				$pub_access = 1;
  401: 			    } elsif ($scope eq 'guest') {
  402: 				$guest_access = 1;
  403: 			    } else {
  404: 				$cond_access = 1;
  405: 			    }
  406: 			}
  407: 		    }
  408: 		    if (!$pub_access && !$guest_access && !$cond_access) {
  409: 			$curr_access = &mt('Private');
  410: 		    } else {
  411: 			my @allaccesses; 
  412: 			if ($pub_access) {
  413: 			    push(@allaccesses,&mt('Public'));
  414: 			}
  415: 			if ($guest_access) {
  416: 			    push(@allaccesses,&mt('Passphrase-protected'));
  417: 			}
  418: 			if ($cond_access) {
  419: 			    push(@allaccesses,&mt('Conditional'));
  420: 			}
  421: 			$curr_access = join('+ ',@allaccesses);
  422: 		    }
  423: 		}
  424:                 &display_directory_line($r,$select_mode, $filename, $mtime, $size, $css_class, $line, 
  425:                                         \%access_controls, $curr_access,$now, $version_flag, $href_location, 
  426:                                         $url, $current_path, $access_admin_text);
  427: 		if ($show_versions) {
  428: 		    foreach my $dir_line (@{ $versioned{$fullpath} }) {
  429: 		        my ($v_filename,$dom,$testdir,$size,$mtime,$obs) =
  430: 			    @$dir_line;
  431:                         $line = '<td colspan="2">&nbsp;</td>';
  432: 			&display_directory_line($r,$select_mode, $v_filename, $mtime, $size, 
  433: 						$css_class, $line, \%access_controls, $curr_access, $now,
  434: 						undef, $href_location, $url, $current_path, $access_admin_text, 1);
  435: 		    }
  436: 		}
  437:             }
  438:         }
  439:     }
  440:     if ($select_mode eq 'true') {
  441:         $r->print('</table>
  442:             <input type="hidden" name="continue" value="true" />
  443:             <input type="hidden" name="fieldname" value="'.$env{'form.fieldname'}.'" />
  444:             <input type="hidden" name="mode" value="selectfile" />
  445:             <input type="submit" name="submit" value="Select checked files, and continue selecting." /><br />
  446:             <input type="button" name="doit" onClick= "finishSelect();" value="Select checked files, and close window" />
  447:             <input type="hidden" name="currentpath" value="'.$current_path.'" />
  448:         </form>');        
  449:     } else {
  450:         $r->print('</table>');
  451:         if ($can_delete) {
  452:             $r->print('
  453:         <input type="submit" name="doit" value="Delete Checked Files" />'.
  454: 	&Apache::loncommon::help_open_topic('Portfolio DeleteFile').'
  455:         <input type="hidden" name="action" value="delete" />
  456:         <input type="hidden" name="currentpath" value="'.$current_path.'" />
  457:         </form>'
  458:             );
  459:         }
  460:     }
  461: }
  462: 
  463: sub open_form {
  464:     my ($r,$url)=@_;
  465:     my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
  466:     $r->print('<form name="portform" method="post" action="'.$url.'">');
  467:     $r->print('<input type="hidden" name="action" value="'.
  468: 	      $env{'form.action'}.'" />');
  469:     $r->print('<input type="hidden" name="confirmed" value="1" />');
  470:     foreach (@files) {
  471:         $r->print('<input type="hidden" name="selectfile" value="'.
  472: 	      $_.'" />');
  473:     }
  474:     $r->print('<input type="hidden" name="currentpath" value="'.
  475: 	      $env{'form.currentpath'}.'" />');
  476: }
  477: 
  478: sub close_form {
  479:     my ($r,$url,$button_text)=@_;
  480:     if (!defined($button_text)) {
  481:         $button_text = {
  482:                          'continue' => &mt('Continue'),
  483:                          'cancel'   => &mt('Cancel'),
  484:                        };
  485:     }
  486:     $r->print('<p><input type="submit" value="'.$button_text->{'continue'}.'" />');
  487:     $r->print(&group_form_data().'</p></form>');
  488:     $r->print('<form action="'.$url.'" method="post">
  489:                <p>
  490:               <input type="hidden" name="currentpath" value="'.
  491: 	      $env{'form.currentpath'}.'" />'.
  492: 	      &group_form_data());
  493:     $r->print("\n".'   <input type="submit" value="'.$button_text->{'cancel'}.'" />
  494:                </p></form>'); 
  495: }
  496: 
  497: sub display_file {
  498:     my ($path,$filename)=@_;
  499:     my $display_file_text;
  500:     my $file_start='<span class="LC_filename">';
  501:     my $file_end='</span>';
  502:     if (!defined($path)) { $path=$env{'form.currentpath'}; }
  503:     if (!defined($filename)) { 
  504:         $filename=$env{'form.selectfile'};
  505:         $display_file_text = $file_start.$path.$filename.$file_end;
  506:     } elsif (ref($filename) eq "ARRAY") {
  507:         foreach my $file (@$filename) {
  508:             $display_file_text .= $file_start.$path.$file.$file_end.'<br />';
  509:         }
  510:     } elsif (ref($filename) eq "SCALAR") {
  511:         $display_file_text = $file_start.$path.$$filename.$file_end;
  512:     } else {
  513: 	$display_file_text = $file_start.$path.$filename.$file_end;
  514:     }
  515:     return $display_file_text;
  516: }
  517: 
  518: sub done {
  519:     my ($message,$url)=@_;
  520:     unless (defined $message) {
  521:         $message='Done';
  522:     }
  523:     my %anchor_fields = (
  524:         'showversions' => $env{'form.showversions'},
  525:         'currentpath' => $env{'form.currentpath'},
  526:         'fieldname' => $env{'form.fieldname'},
  527:         'mode'      => $env{'form.mode'}
  528:     );
  529:     my $result = '<h3>'.&make_anchor($url,\%anchor_fields,&mt($message)).'</h3>';
  530:     return $result;
  531: }
  532: 
  533: sub delete {
  534:     my ($r,$url)=@_;
  535:     my @check;
  536:     my $file_name = $env{'form.currentpath'}.$env{'form.selectfile'};
  537:     $file_name = &prepend_group($file_name);
  538:     my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
  539:     my ($uname,$udom) = &get_name_dom();
  540:     if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
  541:         $r->print ("The file is locked and cannot be deleted.<br />");
  542:         $r->print(&done('Back',$url));
  543:     } else {
  544:         if (scalar(@files)) {
  545:             &open_form($r,$url);
  546:             $r->print('<p>'.&mt('Delete').' '.&display_file(undef,\@files).'?</p>');
  547:             &close_form($r,$url);
  548:         } else {
  549:             $r->print("No file was checked to delete.<br />");
  550:             $r->print(&done(undef,$url));
  551:         }
  552:     }
  553: } 
  554: 
  555: sub delete_confirmed {
  556:     my ($r,$url,$group)=@_;
  557:     my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
  558:     my $result;
  559:     my ($uname,$udom) = &get_name_dom();
  560:     my $port_path = &get_port_path();
  561:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
  562:                                                                         $uname);
  563:     foreach my $delete_file (@files) {
  564:         $result=&Apache::lonnet::removeuserfile($uname,$udom,$port_path.
  565: 					       $env{'form.currentpath'}.
  566: 					       $delete_file);
  567:         if ($result ne 'ok') {
  568: 	    $r->print('<span class="LC_error">'.
  569:                      &mt('An error occured ([_1]) while trying to delete 
  570:                          [_2].',$result,&display_file(undef, $delete_file)).
  571:                       '</span><br /><br />');
  572:         } else {
  573:             $r->print(&mt('File: [_1] deleted.',
  574:                           &display_file(undef,$delete_file)));
  575:             my $file_name = $env{'form.currentpath'}.$delete_file;
  576:             $file_name = &prepend_group($file_name);
  577:             my %access_controls = 
  578:                     &Apache::lonnet::get_access_controls($current_permissions,
  579:                                                          $group,$file_name);
  580:             if (keys(%access_controls) > 0) {
  581:                 my %changes; 
  582:                 foreach my $key (keys(%{$access_controls{$file_name}})) {
  583:                     $changes{'delete'}{$key} = 1;
  584:                 }
  585:                 if (keys(%changes) > 0) {
  586:                     my ($outcome,$deloutcome,$new_values,$translation) =
  587:                     &Apache::lonnet::modify_access_controls($file_name,\%changes,
  588:                                                             $udom,$uname);
  589:                     if ($outcome ne 'ok') {
  590:                            $r->print('<br />'.&mt("An error occured ([_1]) while ".
  591:                                "trying to delete access controls for the file.",$outcome).
  592:                                '</span><br /><br />');
  593:                     } else {
  594:                         if ($deloutcome eq 'ok') {
  595:                             $r->print('<br />'.&mt('Access controls also deleted for the file.').'<br /><br />');
  596:                         } else {
  597:                             $r->print('<span class="LC_error">'.'<br />'.
  598:                                &mt("An error occured ([_1]) while ".
  599:                                    "trying to delete access controls for the file.",$deloutcome).
  600:                                    '</span><br /><br />');
  601:                         }
  602:                     }
  603:                 }
  604:             }
  605:         }
  606:     }
  607:     $r->print(&done(undef,$url));
  608: }
  609: 
  610: sub delete_dir {
  611:     my ($r,$url)=@_;
  612:     &open_form($r,$url);
  613:     $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
  614:     &close_form($r,$url);
  615: } 
  616: 
  617: sub delete_dir_confirmed {
  618:     my ($r,$url)=@_;
  619:     my $directory_name = $env{'form.currentpath'};
  620:     $directory_name =~ s|/$||; # remove any trailing slash
  621:     my ($uname,$udom) = &get_name_dom();
  622:     my $namespace = &get_namespace();
  623:     my $port_path = &get_port_path();
  624:     my $result=&Apache::lonnet::removeuserfile($uname,$udom,$port_path.
  625: 					       $directory_name);
  626: 					       
  627:     if ($result ne 'ok') {
  628: 	$r->print('<span class="LC_error"> An error occured (dir) ('.$result.
  629: 		  ') while trying to delete '.$directory_name.'</span><br />');
  630:     } else {
  631:         # now remove from recent
  632: #        $r->print('<br /> removing '.$directory_name.'<br /');
  633:         &Apache::lonhtmlcommon::remove_recent($namespace,[$directory_name.'/']);
  634:         my @dirs = split m!/!, $directory_name;
  635:         
  636: #        $directory_name =~ m/^(\/*\/)(\/*.)$/;
  637:         $directory_name='/';
  638:         for (my $i=1; $i < (@dirs - 1); $i ++){
  639:             $directory_name .= $dirs[$i].'/';
  640:         }
  641:         $env{'form.currentpath'} = $directory_name;
  642:     }
  643:     $r->print(&done(undef,$url));
  644: }
  645: 
  646: sub rename {
  647:     my ($r,$url)=@_;
  648:     my $file_name = $env{'form.currentpath'}.$env{'form.rename'};
  649:     my ($uname,$udom) = &get_name_dom();
  650:     $file_name = &prepend_group($file_name);
  651:     if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
  652:         $r->print ("The file is locked and cannot be renamed.<br />");
  653:         $r->print(&done(undef,$url));
  654:     } else {
  655:         &open_form($r,$url);
  656:         $r->print('<p>'.&mt('Rename').' '.&display_file().' to 
  657:                    <input name="filenewname" type="input" size="50" />?</p>');
  658:         &close_form($r,$url);
  659:     }
  660: }
  661: 
  662: sub rename_confirmed {
  663:     my ($r,$url,$group)=@_;
  664:     my $filenewname=&Apache::lonnet::clean_filename($env{'form.filenewname'});
  665:     my ($uname,$udom) = &get_name_dom();
  666:     my $port_path = &get_port_path();
  667:     if ($filenewname eq '') {
  668: 	$r->print('<span class="LC_error">'.
  669: 		  &mt("Error: no valid filename was provided to rename to.").
  670: 		  '</span><br />');
  671: 	$r->print(&done(undef,$url));
  672: 	return;
  673:     } 
  674:     my $chg_access;
  675:     my $result=
  676: 	&Apache::lonnet::renameuserfile($uname,$udom,
  677:             $port_path.$env{'form.currentpath'}.$env{'form.selectfile'},
  678:             $port_path.$env{'form.currentpath'}.$filenewname);
  679:     if ($result eq 'ok') {
  680:         $chg_access = &access_for_renamed($filenewname,$group,$udom,$uname);
  681:     } else {      
  682: 	$r->print('<span class="LC_error">'.
  683: 		  &mt('An error occured ([_1]) while trying to rename [_2]'
  684: 		      .' to [_3]',$result,&display_file(),
  685: 		      &display_file('',$filenewname)).'</span><br />');
  686:         return;
  687:     }
  688:     if ($filenewname ne $env{'form.filenewname'}) {
  689:         $r->print(&mt("The new file name was changed from:<br />[_1] to [_2]",
  690: 		      '<strong>'.&display_file('',$env{'form.filenewname'}).'</strong>',
  691: 		      '<strong>'.&display_file('',$filenewname).'</strong>'));
  692:     }
  693:     $r->print($chg_access);
  694:     $r->print(&done(undef,$url));
  695: }
  696: 
  697: sub access_for_renamed {
  698:     my ($filenewname,$group,$udom,$uname) = @_;
  699:     my $oldfile = $env{'form.currentpath'}.$env{'form.selectfile'};
  700:     $oldfile = &prepend_group($oldfile);
  701:     my $newfile = $env{'form.currentpath'}.$filenewname;
  702:     $newfile = &prepend_group($newfile);
  703:     my $current_permissions =
  704: 	&Apache::lonnet::get_portfile_permissions($udom,$uname);
  705:     my %access_controls =
  706: 	&Apache::lonnet::get_access_controls($current_permissions,
  707: 					     $group,$oldfile);
  708:     my $chg_text;
  709:     if (keys(%access_controls) > 0) {
  710:         my %change_old;
  711:         my %change_new;
  712:         foreach my $key (keys(%{$access_controls{$oldfile}})) {
  713:             $change_old{'delete'}{$key} = 1;
  714:             $change_new{'activate'}{$key} = $access_controls{$oldfile}{$key};
  715:         }
  716:         my ($outcome,$deloutcome,$new_values,$translation) =
  717:             &Apache::lonnet::modify_access_controls($oldfile,\%change_old,
  718: 						    $udom,$uname);
  719:         if ($outcome ne 'ok') {
  720:             $chg_text ='<br /><br />'.&mt("An error occured ([_1]) while ".
  721:                 "trying to delete access control records for the old name.",$outcome).
  722:                 '</span><br />';
  723:         } else {
  724:             if ($deloutcome ne 'ok') {
  725:                 $chg_text = '<br /><br /><span class="LC_error"><br />'.
  726: 		    &mt("An error occured ([_1]) while ".
  727: 			"trying to delete access control records for the old name.",$deloutcome).
  728: 			'</span><br />';
  729:             }
  730:         }
  731:         ($outcome,$deloutcome,$new_values,$translation) =
  732:             &Apache::lonnet::modify_access_controls($newfile,\%change_new,
  733:                                                     $udom,$uname);
  734:         if ($outcome ne 'ok') {
  735:             $chg_text .= '<br /><br />'.
  736: 		&mt("An error occured ([_1]) while ".
  737:                 "trying to update access control records for the new name.",$outcome).
  738:                 '</span><br />';
  739:         }
  740:         if ($chg_text eq '') {
  741:             $chg_text = '<br /><br />'.&mt('Access controls updated to reflect the name change.');
  742:         }
  743:     }
  744:     return $chg_text;
  745: }
  746: 
  747: sub display_access {
  748:     my ($r,$url,$group,$can_setacl,$port_path) = @_;
  749:     my ($uname,$udom) = &get_name_dom();
  750:     my $file_name = $env{'form.currentpath'}.$env{'form.access'};
  751:     $file_name = &prepend_group($file_name);
  752:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
  753:                                                                         $uname);
  754:     my %access_controls = &Apache::lonnet::get_access_controls($current_permissions,$group,$file_name);
  755:     my $aclcount = keys(%access_controls);
  756:     my $header = '<h3>'.&mt('Allowing others to retrieve file: [_1]',$port_path.$env{'form.currentpath'}.$env{'form.access'}).'</h3>';
  757:     my $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.');
  758:     $info .= '<br /><ul><li>'.&mt('Public files are available to anyone without the need for login.');
  759:     $info .= '</li><li>'.&mt('Passphrase-protected files do not require log-in, but will require the viewer to enter the passphrase you set.');
  760:     $info .= '</li><li>'.&mt('Conditional files are accessible to logged-in users with accounts in the LON-CAPA network, who satisfy the conditions you set.').'<br />';
  761:     $info .= &mt('The conditions can include affiliation with a particular course or group, or a user account in a specific domain.').'<br />';
  762:     $info .= &mt('Alternatively access can be granted to people with specific LON-CAPA usernames and domains.').'</li></ul>';
  763:     if ($group eq '') {
  764:         $info .= (&mt("A listing of files viewable without log-in is available at: <a href='/adm/$udom/$uname/aboutme/portfolio'>http://$ENV{'SERVER_NAME'}/adm/$udom/$uname/aboutme/portfolio</a>.<br />For logged in users a 'Display file listing' link will also appear (when there are viewable files) on your personal information page:<br /><a href='/adm/$udom/$uname/aboutme'>http://$ENV{'SERVER_NAME'}/adm/$udom/$uname/aboutme</a><br />"));
  765:     }
  766:     if ($can_setacl) {
  767:         &open_form($r,$url);
  768:         $r->print($header.$info);
  769: 		$r->print ('<br/>'.&Apache::loncommon::help_open_topic('Portfolio ShareFile SetAccess', 'Help on setting up share access'));
  770: 		$r->print (&Apache::loncommon::help_open_topic('Portfolio ShareFile ChangeSetting', 'Help on changing settings'));
  771: 		$r->print (&Apache::loncommon::help_open_topic('Portfolio ShareFile StopAccess', 'Help on removing share access'));
  772:         &access_setting_table($r,$access_controls{$file_name});
  773:         my $button_text = {
  774:                         'continue' => &mt('Proceed'),
  775:                         'cancel' => &mt('Back to directory listing'),
  776:                       };
  777:         &close_form($r,$url,$button_text);
  778:     } else {
  779:         $r->print($header);
  780:         if ($aclcount) {  
  781:             $r->print($info);
  782:         }
  783:         &view_access_settings($r,$url,$access_controls{$file_name},$aclcount);
  784:     }
  785: }
  786: 
  787: sub view_access_settings {
  788:     my ($r,$url,$access_controls,$aclcount) = @_;
  789:     my ($showstart,$showend);
  790:     my %todisplay;
  791:     foreach my $key (sort(keys(%{$access_controls}))) {
  792:         my ($num,$scope,$end,$start) = &unpack_acc_key($key);
  793:         $todisplay{$scope}{$key} = $$access_controls{$key};
  794:     }
  795:     if ($aclcount) {
  796:         $r->print(&mt('<h4>Current access controls defined for this file:</h4>'));
  797:         $r->print(&Apache::loncommon::start_data_table());
  798:         $r->print(&Apache::loncommon::start_data_table_header_row());
  799:         $r->print('<th>'.&mt('Access control').'</th><th>'.&mt('Dates available').
  800:                   '</th><th>'.&mt('Additional information').'</th>');
  801:         $r->print(&Apache::loncommon::end_data_table_header_row());
  802:         my $count = 1;
  803:         my $chg = 'none';
  804:         &build_access_summary($r,$count,$chg,%todisplay);
  805:         $r->print(&Apache::loncommon::end_data_table());
  806:     } else {
  807:         $r->print(&mt('No access control settings currently exist for this file.<br />' ));
  808:     }
  809:     my %anchor_fields = (
  810:         'currentpath' => $env{'form.currentpath'}
  811:     );
  812:     $r->print('<br />'.&make_anchor($url, \%anchor_fields, &mt('Return to directory listing')));
  813:     return;
  814: }
  815: 
  816: sub build_access_summary {
  817:     my ($r,$count,$chg,%todisplay) = @_; 
  818:     my ($showstart,$showend);
  819:     my %scope_desc = (
  820:                       public => 'Public',
  821:                       guest => 'Passphrase-protected',
  822:                       domains => 'Conditional: domain-based',
  823:                       users => 'Conditional: user-based',
  824:                       course => 'Conditional: course-based',
  825:                       group => 'Conditional: group-based',
  826:                      );
  827:     my @allscopes = ('public','guest','domains','users','course','group');
  828:     foreach my $scope (@allscopes) {
  829:         if ((!(exists($todisplay{$scope}))) || (ref($todisplay{$scope}) ne 'HASH')) {
  830:             next;
  831:         }
  832:         foreach my $key (sort(keys(%{$todisplay{$scope}}))) {
  833:             if ($count) {
  834:                 $r->print(&Apache::loncommon::start_data_table_row());
  835:             }
  836:             my ($num,$scope,$end,$start) = &unpack_acc_key($key);
  837:             my $content = $todisplay{$scope}{$key};
  838:             if ($chg eq 'delete') {
  839:                 $showstart = &mt('Deleted');
  840:                 $showend = $showstart;
  841:             } else {
  842:                 $showstart = localtime($start);
  843:                 if ($end == 0) {
  844:                     $showend = &mt('No end date');
  845:                 } else {
  846:                     $showend = localtime($end);
  847:                 }
  848:             }
  849:             $r->print('<td>'.&mt($scope_desc{$scope}));
  850:             if (($scope eq 'course') || ($scope eq 'group')) {
  851:                 if ($chg ne 'delete') {
  852:                     my $cid = $content->{'domain'}.'_'.$content->{'number'};
  853:                     my %course_description = &Apache::lonnet::coursedescription($cid);
  854:                     $r->print('<br />('.$course_description{'description'}.')');
  855:                 }
  856:             }
  857:             $r->print('</td><td>'.&mt('Start: ').$showstart.
  858:                   '<br />'.&mt('End: ').$showend.'</td><td>');
  859:             if ($chg ne 'delete') {
  860:                 if ($scope eq 'guest') {
  861:                     $r->print(&mt('Passphrase').': '.$content->{'password'});
  862:                 } elsif ($scope eq 'course' || $scope eq 'group') {
  863:                     $r->print('<table><tr>');
  864:                     $r->print('<th>'.&mt('Roles').'</th><th>'.
  865:                           &mt('Access').'</th><th>'.
  866:                                           &mt('Sections').'</th>');
  867:                     if ($scope eq 'course') {
  868:                         $r->print('<th>'.&mt('Groups').'</th>');
  869:                     } else {
  870:                         $r->print('<th>'.&mt('Teams').'</th>');
  871:                     }
  872:                     $r->print('</tr>');
  873:                     foreach my $id (sort(keys(%{$content->{'roles'}}))) {
  874:                         $r->print('<tr>');
  875:                         foreach my $item ('role','access','section','group') {
  876:                             $r->print('<td>');
  877:                             if ($item eq 'role') {
  878:                                 my $ucscope = $scope;
  879:                                 $ucscope =~ s/^(\w)/uc($1)/e;
  880:                                 my $role_output;
  881:                                 foreach my $role (@{$content->{'roles'}{$id}{$item}}) {
  882:                                     if ($role eq 'all') {
  883:                                         $role_output .= $role.',';
  884:                                     } elsif ($role =~ /^cr/) {
  885:                                         $role_output .= (split('/',$role))[3].',';
  886:                                     } else {
  887:                                         $role_output .= &Apache::lonnet::plaintext($role,$ucscope).',';
  888:                                     }
  889:                                 }
  890:                                 $role_output =~ s/,$//;
  891:                                 $r->print($role_output);
  892:                             } else {
  893:                                 $r->print(join(',',@{$content->{'roles'}{$id}{$item}}));
  894:                             }
  895:                             $r->print('</tr>');
  896:                         }
  897: 			$r->print("</table>");
  898:                     }
  899: 		    $r->print("</tr></table>");
  900:                 } elsif ($scope eq 'domains') {
  901:                     $r->print(&mt('Domains: ').join(',',@{$content->{'dom'}}));
  902:                 } elsif ($scope eq 'users') {
  903:                     my $curr_user_list = &sort_users($content->{'users'});
  904:                     $r->print(&mt('Users: ').$curr_user_list);
  905:                 } else {
  906:                     $r->print('&nbsp;');
  907:                 }
  908:             } else {
  909:                 $r->print('&nbsp;');
  910:             }
  911:             $r->print('</td>');
  912:             $r->print(&Apache::loncommon::end_data_table_row());
  913:             $count ++;
  914:         }
  915:     }
  916: }
  917: 
  918: 
  919: sub update_access {
  920:     my ($r,$url,$group,$port_path) = @_;
  921:     my $totalprocessed = 0;
  922:     my %processing;
  923:     my %title  = (
  924:                          'activate' => 'New control(s) added',
  925:                          'delete'   => 'Existing control(s) deleted',
  926:                          'update'   => 'Existing control(s) modified',
  927:                      );
  928:     my $changes;
  929:     foreach my $chg (sort(keys(%title))) {     
  930:         @{$processing{$chg}} = &Apache::loncommon::get_env_multiple('form.'.$chg);
  931:         $totalprocessed += @{$processing{$chg}};
  932:         foreach my $num (@{$processing{$chg}}) {
  933:             my $scope = $env{'form.scope_'.$num};
  934:             my ($start,$end) = &get_dates_from_form($num);
  935:             my $newkey = $num.':'.$scope.'_'.$end.'_'.$start;
  936:             if ($chg eq 'delete') {
  937:                 $$changes{$chg}{$newkey} = 1;
  938:             } else {
  939:                 $$changes{$chg}{$newkey} = 
  940:                             &build_access_record($num,$scope,$start,$end,$chg);
  941:             }
  942:         }
  943:     }
  944:     my $file_name = $env{'form.currentpath'}.$env{'form.selectfile'};
  945:     $r->print('<h3>'.&mt('Allowing others to retrieve file: [_1]',
  946:               $port_path.$file_name).'</h3>'."\n");
  947:     $file_name = &prepend_group($file_name);
  948:     my ($uname,$udom) = &get_name_dom();
  949:     my ($errors,$outcome,$deloutcome,$new_values,$translation);
  950:     if ($totalprocessed) {
  951:         ($outcome,$deloutcome,$new_values,$translation) =
  952:         &Apache::lonnet::modify_access_controls($file_name,$changes,$udom,
  953:                                                 $uname);
  954:     }
  955:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
  956:                                                                        $uname);
  957:     my %access_controls = 
  958: 	&Apache::lonnet::get_access_controls($current_permissions,
  959: 					     $group,$file_name);
  960:     if ($totalprocessed) {
  961:         if ($outcome eq 'ok') {
  962:             my $updated_controls = $access_controls{$file_name};
  963:             my ($showstart,$showend);
  964:             $r->print(&Apache::loncommon::start_data_table());
  965:             $r->print(&Apache::loncommon::start_data_table_header_row());
  966:             $r->print('<th>'.&mt('Type of change').'</th><th>'.
  967:                       &mt('Access control').'</th><th>'.&mt('Dates available').
  968:                       '</th><th>'.&mt('Additional information').'</th>');
  969:             $r->print(&Apache::loncommon::end_data_table_header_row());
  970:             foreach my $chg (sort(keys(%processing))) {
  971:                 if (@{$processing{$chg}} > 0) {
  972:                     if ($chg eq 'delete') {
  973:                         if (!($deloutcome eq 'ok')) {
  974:                             $errors .='<span class="LC_error">'.
  975: 				&mt('A problem occurred deleting access controls: [_1]',$deloutcome).
  976: 				'</span>';
  977:                             next;
  978:                         }
  979:                     }
  980:                     my $numchgs = @{$processing{$chg}};
  981:                     $r->print(&Apache::loncommon::start_data_table_row());
  982:                     $r->print('<td rowspan="'.$numchgs.'">'.&mt($title{$chg}).
  983:                               '.</td>');
  984:                     my $count = 0;
  985:                     my %todisplay;
  986:                     foreach my $key (sort(keys(%{$$changes{$chg}}))) {
  987:                         my ($num,$scope,$end,$start) = &unpack_acc_key($key);
  988:                         my $newkey = $key;
  989:                         if ($chg eq 'activate') {
  990:                             $newkey =~ s/^(\d+)/$$translation{$1}/;
  991:                         }
  992:                         $todisplay{$scope}{$newkey} = $$updated_controls{$newkey};
  993:                     }
  994:                     &build_access_summary($r,$count,$chg,%todisplay);  
  995:                 }
  996:             }
  997:             $r->print(&Apache::loncommon::end_data_table());
  998:         } else {
  999:             if ((@{$processing{'activate'}} > 0) || (@{$processing{'update'}} > 0)) {
 1000:                 $errors .= '<span class="LC_error">'.
 1001: 		    &mt('A problem occurred storing access control settings: [_1]',$outcome).
 1002: 		    '</span>';
 1003:             }
 1004:         }
 1005:         if ($errors) { 
 1006:             $r->print($errors);
 1007:         }
 1008:     }
 1009:     my $allnew = 0;
 1010:     my $totalnew = 0;
 1011:     my $status = 'new';
 1012:     my ($firstitem,$lastitem);
 1013:     foreach my $newitem ('course','group','domains','users') {
 1014:         $allnew += $env{'form.new'.$newitem};
 1015:     }
 1016:     if ($allnew > 0) {
 1017:         my $now = time;
 1018:         my $then = $now + (60*60*24*180); # six months approx.
 1019:         &open_form($r,$url);
 1020:         foreach my $newitem ('course','group','domains','users') {
 1021:             if ($env{'form.new'.$newitem} > 0) {
 1022:                 $r->print('<br />'.&mt('Add new <b>[_1]-based</b> access control for portfolio file: <b>[_2]</b>',$newitem,$env{'form.currentpath'}.$env{'form.selectfile'}).'<br /><br />');
 1023:                 $firstitem = $totalnew;
 1024:                 $lastitem = $totalnew + $env{'form.new'.$newitem};
 1025:                 $totalnew = $lastitem;
 1026:                 my @numbers;   
 1027:                 for (my $i=$firstitem; $i<$lastitem; $i++) {
 1028:                     push (@numbers,$i);
 1029:                 }
 1030:                 &display_access_row($r,$status,$newitem,\@numbers,
 1031:                                     $access_controls{$file_name},$now,$then);
 1032:             }
 1033:         }
 1034:         &close_form($r,$url);
 1035:     } else {
 1036:         my %anchor_fields = (
 1037:             'currentpath' => $env{'form.currentpath'},
 1038:             'access' => $env{'form.selectfile'}
 1039:         );
 1040:         $r->print('<br />'.&make_anchor($url, \%anchor_fields, &mt('Display all access settings for this file')));
 1041:         delete $anchor_fields{'access'};
 1042:         $r->print('&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&make_anchor($url,\%anchor_fields,&mt('Return to directory listing')));
 1043:     }
 1044:     return;
 1045: }
 1046: 
 1047: sub build_access_record {
 1048:     my ($num,$scope,$start,$end,$chg) = @_;
 1049:     my $record = {
 1050: 	type => $scope,
 1051: 	time => {
 1052: 	    start => $start,
 1053: 	    end   => $end
 1054: 	    },
 1055: 	    };
 1056: 		
 1057:     if ($scope eq 'guest') {	
 1058:         $record->{'password'} = $env{'form.password'};
 1059:     } elsif (($scope eq 'course') || ($scope eq 'group')) {
 1060:         $record->{'domain'} = $env{'form.crsdom_'.$num};
 1061: 	$record->{'number'} = $env{'form.crsnum_'.$num};
 1062:         my @role_ids;
 1063:         my @delete_role_ids =
 1064:             &Apache::loncommon::get_env_multiple('form.delete_role_'.$num);
 1065: 	my @preserves =
 1066: 	    &Apache::loncommon::get_env_multiple('form.preserve_role_'.$num);
 1067: 	if (@delete_role_ids) {
 1068: 	    foreach my $id (@preserves) {
 1069: 		if (grep {$_ = $id} (@delete_role_ids)) {
 1070: 		    next;
 1071: 		}
 1072: 		push(@role_ids,$id); 
 1073: 	    }
 1074: 	} else {
 1075: 	    push(@role_ids,@preserves);
 1076: 	}
 1077: 
 1078: 	my $next_id = $env{'form.add_role_'.$num};
 1079: 	if ($next_id) {
 1080: 	    push(@role_ids,$next_id);
 1081: 	}
 1082: 
 1083:         foreach my $id (@role_ids) {
 1084:             my (@roles,@accesses,@sections,@groups);
 1085:             if (($id == $next_id) && ($chg eq 'update')) {
 1086:                 @roles    = split(/,/,$env{'form.role_'.$num.'_'.$next_id});
 1087:                 @accesses = split(/,/,$env{'form.access_'.$num.'_'.$next_id});
 1088:                 @sections = split(/,/,$env{'form.section_'.$num.'_'.$next_id});
 1089:                 @groups   = split(/,/,$env{'form.group_'.$num.'_'.$next_id});
 1090:             } else {
 1091:                 @roles = &Apache::loncommon::get_env_multiple('form.role_'.$num.'_'.$id);
 1092:                 @accesses = &Apache::loncommon::get_env_multiple('form.access_'.$num.'_'.$id);
 1093:                 @sections = &Apache::loncommon::get_env_multiple('form.section_'.$num.'_'.$id);
 1094:                 @groups = &Apache::loncommon::get_env_multiple('form.group_'.$num.'_'.$id);
 1095:             }
 1096: 	    $record->{'roles'}{$id}{'role'}    = \@roles;
 1097: 	    $record->{'roles'}{$id}{'access'}  = \@accesses;
 1098: 	    $record->{'roles'}{$id}{'section'} = \@sections;
 1099: 	    $record->{'roles'}{$id}{'group'}   = \@groups;
 1100:         }
 1101:     } elsif ($scope eq 'domains') {
 1102:         my @doms = &Apache::loncommon::get_env_multiple('form.dom_'.$num);
 1103: 	$record->{'dom'} = \@doms;
 1104:     } elsif ($scope eq 'users') {
 1105:         my $userlist = $env{'form.users_'.$num};
 1106:         $userlist =~ s/\s+//sg;
 1107: 	my %userhash = map { ($_,1) } (split(/,/,$userlist));
 1108:         foreach my $user (keys(%userhash)) {
 1109:             my ($uname,$udom) = split(/:/,$user);
 1110: 	    push(@{$record->{'users'}}, {
 1111: 		'uname' => $uname,
 1112: 		'udom'  => $udom
 1113: 		});
 1114: 	}
 1115:     }
 1116:     return $record;
 1117: }
 1118: 
 1119: sub get_dates_from_form {
 1120:     my ($id) = @_;
 1121:     my $startdate;
 1122:     my $enddate;
 1123:     $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate_'.$id);
 1124:     $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate_'.$id);
 1125:     if ( exists ($env{'form.noend_'.$id}) ) {
 1126:         $enddate = 0;
 1127:     }
 1128:     return ($startdate,$enddate);
 1129: }
 1130: 
 1131: sub sort_users {
 1132:     my ($users) = @_; 
 1133:     my @curr_users = map {
 1134: 	$_->{'uname'}.':'.$_->{'udom'}
 1135:     } (@{$users});
 1136:     my $curr_user_list = join(",\n",sort(@curr_users));
 1137:     return $curr_user_list;
 1138: }
 1139: 
 1140: sub access_setting_table {
 1141:     my ($r,$access_controls) = @_;
 1142:     my ($public,$publictext);
 1143:     $publictext = &mt('Off');
 1144:     my ($guest,$guesttext);
 1145:     $guesttext = &mt('Off');
 1146:     my @courses = ();
 1147:     my @groups = ();
 1148:     my @domains = ();
 1149:     my @users = ();
 1150:     my $now = time;
 1151:     my $then = $now + (60*60*24*180); # six months approx.
 1152:     my ($num,$scope,$publicnum,$guestnum);
 1153:     my (%acl_count,%end,%start);
 1154:     foreach my $key (sort(keys(%{$access_controls}))) {
 1155:         ($num,$scope,$end{$key},$start{$key}) = &unpack_acc_key($key);
 1156:         if ($scope eq 'public') {
 1157:             $public = $key;
 1158:             $publicnum = $num;
 1159:             $publictext = &acl_status($start{$key},$end{$key},$now);
 1160:         } elsif ($scope eq 'guest') {
 1161:             $guest=$key;
 1162:             $guestnum = $num;  
 1163:             $guesttext = &acl_status($start{$key},$end{$key},$now);
 1164:         } elsif ($scope eq 'course') {
 1165:             push(@courses,$key);
 1166:         } elsif ($scope eq 'group') {
 1167:             push(@groups,$key);
 1168:         } elsif ($scope eq 'domains') {
 1169:             push(@domains,$key);
 1170:         } elsif ($scope eq 'users') {
 1171:             push(@users,$key);
 1172:         }
 1173:         $acl_count{$scope} ++;
 1174:     }
 1175:     $r->print('<table border="0"><tr><td valign="top">');
 1176:     $r->print('<h3>'.&mt('Public access:').' '.$publictext.'</h3>');
 1177:     $r->print(&Apache::loncommon::start_data_table());
 1178:     $r->print(&Apache::loncommon::start_data_table_header_row());
 1179:     $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Dates available').'</th>');
 1180:     $r->print(&Apache::loncommon::end_data_table_header_row());
 1181:     $r->print(&Apache::loncommon::start_data_table_row());
 1182:     if ($public) {
 1183:         $r->print('<td>'.&actionbox('old',$publicnum,'public').'</td><td>'.
 1184:                   &dateboxes($publicnum,$start{$public},$end{$public}).'</td>');
 1185:     } else {
 1186:         $r->print('<td>'.&actionbox('new','0','public').'</td><td>'.
 1187:                   &dateboxes('0',$now,$then).'</td>');
 1188:     }
 1189:     $r->print(&Apache::loncommon::end_data_table_row());
 1190:     $r->print(&Apache::loncommon::end_data_table());
 1191:     $r->print('</td><td width="40">&nbsp;</td><td valign="top">');
 1192:     $r->print('<h3>'.&mt('Passphrase-protected access:').' '.$guesttext.'</h3>');
 1193:     $r->print(&Apache::loncommon::start_data_table());
 1194:     $r->print(&Apache::loncommon::start_data_table_header_row());
 1195:     $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Dates available').
 1196:               '</th><th>'. &mt('Passphrase').'</th>');
 1197:     $r->print(&Apache::loncommon::end_data_table_header_row());
 1198:     $r->print(&Apache::loncommon::start_data_table_row());
 1199:     my $passwd;
 1200:     if ($guest) {
 1201:         $passwd = $$access_controls{$guest}{'password'};
 1202:         $r->print('<td>'.&actionbox('old',$guestnum,'guest').'</td><td>'.
 1203:                   &dateboxes($guestnum,$start{$guest},$end{$guest}).'</td>');
 1204:     } else {
 1205:         $r->print('<td>'.&actionbox('new','1','guest').'</td><td>'.
 1206:                   &dateboxes('1',$now,$then).'</td>');
 1207:     }
 1208:     $r->print('<td><input type="text" size="15" name="password" value="'.
 1209:               $passwd.'" /></td>');
 1210:     $r->print(&Apache::loncommon::end_data_table_row());
 1211:     $r->print(&Apache::loncommon::end_data_table());
 1212:     $r->print('</td></tr><tr><td colspan="3">&nbsp;</td></tr><tr><td valign="top">');
 1213:     &access_element($r,'domains',\%acl_count,\@domains,$access_controls,$now,$then);
 1214:     $r->print('</td><td>&nbsp;</td><td valign="top">');
 1215:     &access_element($r,'users',\%acl_count,\@users,$access_controls,$now,$then);
 1216:     $r->print('</td></tr><tr><td colspan="3"></td></tr><tr>');
 1217:     if (@courses > 0 || @groups > 0) {
 1218:         $r->print('<td colspan="3" valign="top">');
 1219:     } else {
 1220:         $r->print('<td valign="top">');
 1221:     }
 1222:     &access_element($r,'course',\%acl_count,\@courses,$access_controls,$now,$then);
 1223:     $r->print('</td>');
 1224:     if (@courses > 0 || @groups > 0) {
 1225:         $r->print('</tr><tr><td colspan="3">&nbsp;</td></tr><tr><td colspan="3" valign="top">');
 1226:     } else {
 1227:         $r->print('<td>&nbsp;</td><td valign="top">');
 1228:     }
 1229:     &access_element($r,'group',\%acl_count,\@groups,$access_controls,$now,$then);
 1230:     $r->print('</td></tr></table>');
 1231: }
 1232: 
 1233: sub acl_status {
 1234:     my ($start,$end,$now) = @_;
 1235:     if ($start > $now) {
 1236:         return &mt('Inactive');
 1237:     }
 1238:     if ($end && $end<$now) {
 1239:         return &mt('Inactive');
 1240:     }
 1241:     return &mt('Active');
 1242: }
 1243: 
 1244: sub access_element {
 1245:     my ($r,$type,$acl_count,$items,$access_controls,$now,$then) = @_;
 1246:     my $title = $type;
 1247:     $title =~ s/s$//;
 1248:     $title =~ s/^(\w)/uc($1)/e;
 1249:     $r->print('<h3>'.&mt('[_1]-based conditional access: ',$title));
 1250:     if ($$acl_count{$type}) {
 1251:         $r->print($$acl_count{$type}.' ');
 1252:         if ($$acl_count{$type} > 1) {
 1253:             $r->print(&mt('conditions'));
 1254:         } else {
 1255:             $r->print(&mt('condition'));
 1256:         }
 1257:     } else {
 1258:         $r->print(&mt('Off'));
 1259:     }
 1260:     $r->print('</h3>');
 1261:     &display_access_row($r,'old',$type,$items,$access_controls,$now,$then);
 1262:     return;
 1263: }
 1264: 
 1265: sub display_access_row {
 1266:     my ($r,$status,$type,$items,$access_controls,$now,$then) = @_;
 1267:     if (@{$items} > 0) {
 1268:         my @all_doms;
 1269:         my $colspan = 3;
 1270:         my $uctype = $type;
 1271:         $uctype =~ s/^(\w)/uc($1)/e;
 1272:         $r->print(&Apache::loncommon::start_data_table());
 1273:         $r->print(&Apache::loncommon::start_data_table_header_row());
 1274:         $r->print('<th>'.&mt('Action?').'</th><th>'.&mt($uctype).'</th><th>'.
 1275:               &mt('Dates available').'</th>');
 1276:         if (($type eq 'course') || ($type eq 'group')) {
 1277:             $r->print('<th>'.&mt('Allowed [_1] member affiliations',$type).
 1278:                       '</th>');
 1279:             $colspan ++;
 1280:         } elsif ($type eq 'domains') {
 1281:             @all_doms = &Apache::loncommon::get_domains();
 1282:         }
 1283:         $r->print(&Apache::loncommon::end_data_table_header_row());
 1284:         foreach my $key (@{$items}) {
 1285: 	    $r->print(&Apache::loncommon::start_data_table_row());
 1286:             if (($type eq 'course') || ($type eq 'group')) {
 1287:                 &course_row($r,$status,$type,$key,$access_controls,$now,$then);
 1288:             } elsif ($type eq 'domains') {
 1289:                 &domains_row($r,$status,$key,\@all_doms,$access_controls,$now,
 1290:                             $then);
 1291:             } elsif ($type eq 'users') {
 1292:                 &users_row($r,$status,$key,$access_controls,$now,$then);
 1293:             }
 1294: 	    $r->print(&Apache::loncommon::end_data_table_row());
 1295:         }
 1296:         if ($status eq 'old') {
 1297: 	    $r->print(&Apache::loncommon::start_data_table_row());
 1298:             $r->print('<td colspan="',$colspan.'">'.&additional_item($type).
 1299:                       '</td>');
 1300: 	    $r->print(&Apache::loncommon::end_data_table_row());
 1301:         }
 1302:         $r->print(&Apache::loncommon::end_data_table());
 1303:     } else {
 1304:         $r->print(&mt('No [_1]-based conditions defined.<br />',$type).
 1305:                   &additional_item($type));
 1306:     }
 1307:     return;
 1308: }
 1309: 
 1310: sub course_js {
 1311:     return qq|
 1312: <script type="text/javascript">
 1313: function setRoleOptions(caller,num,cdom,cnum,type) {
 1314:     addIndexnum = getCallerIndex(caller);
 1315:     updateIndexnum = getIndex('update',num);
 1316:     if (caller.checked) {
 1317:         document.portform.elements[updateIndexnum].checked = true;
 1318:         var url = '/adm/portfolio?action=rolepicker&setroles='+addIndexnum+'&cnum='+cnum+'&cdom='+cdom+'&type='+type;
 1319:         var title = 'Roles_Chooser';
 1320:         var options = 'scrollbars=1,resizable=1,menubar=0';
 1321:         options += ',width=700,height=600';
 1322:         rolebrowser = open(url,title,options,'1');
 1323:         rolebrowser.focus();
 1324:     } else {
 1325:         for (var j=0;j<5;j++) {
 1326:             document.portform.elements[addIndexnum+j].value = '';
 1327:         }
 1328:     }
 1329: }
 1330: 
 1331: function getCallerIndex(caller) {
 1332:     for (var i=0;i<document.portform.elements.length;i++) {
 1333:         if (document.portform.elements[i] == caller) {
 1334:             return i;
 1335:         }
 1336:     }
 1337:     return -1;
 1338: }
 1339: 
 1340: function getIndex(name,value) {
 1341:     for (var i=0;i<document.portform.elements.length;i++) {
 1342:         if (document.portform.elements[i].name == name && document.portform.elements[i].value == value) {
 1343:             return i;
 1344:         }
 1345:     }
 1346:     return -1;
 1347: }
 1348: 
 1349: </script>
 1350: |;
 1351: }
 1352: 
 1353: sub course_row {
 1354:     my ($r,$status,$type,$item,$access_controls,$now,$then) = @_;
 1355:     my $content;
 1356:     my $defdom = $env{'user.domain'};
 1357:     if ($status eq 'old') {
 1358:         $content = $$access_controls{$item}; 
 1359:         $defdom =  $content->{'domain'};
 1360:     }
 1361:     my $js = &Apache::loncommon::coursebrowser_javascript($defdom)
 1362: 	.&course_js();
 1363:     my $crsgrptext = 'Groups';
 1364:     if ($type eq 'group') {
 1365:         $crsgrptext = 'Teams';
 1366:     }
 1367:     my $uctype = $type;
 1368:     $uctype =~ s/^(\w)/uc($1)/e;
 1369:     my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
 1370:                                                     $type);
 1371:     $r->print('<td>'.$js.&actionbox($status,$num,$scope).'</td>');
 1372:     if ($status eq 'old') {
 1373:         my $cid = $content->{'domain'}.'_'.$content->{'number'};
 1374:         my %course_description = &Apache::lonnet::coursedescription($cid);
 1375:         $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>');
 1376:     } elsif ($status eq 'new') {
 1377:         $r->print('<td>'.&Apache::loncommon::selectcourse_link('portform','crsnum_'.$num,'crsdom_'.$num,'description_'.$num,undef,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>');
 1378:     }
 1379:     $r->print('<td>'.&dateboxes($num,$start,$end).'</td>');
 1380:     $r->print('<td><table><tr>');
 1381:     $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Roles').'</th><th>'.
 1382:               &mt('Access').'</th><th>'.&mt('Sections').'</th><th>'.
 1383:               &mt($crsgrptext).'</th></tr>');
 1384:     if ($status eq 'old') {
 1385:         my $max_id = 0;
 1386:         foreach my $role_id (sort(keys(%{$content->{'roles'}}))) {
 1387:             if ($role_id > $max_id) {
 1388:                 $max_id = $role_id;
 1389:             }
 1390:             $max_id ++;
 1391:             my $role_selects = &role_selectors($num,$role_id,$status,$type,$content,'display');
 1392:             $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>');
 1393:         }
 1394:         $r->print('</table><br />'.&mt('Add a roles-based condition').'&nbsp;<input type="checkbox" name ="add_role_'.$num.'" onClick="javascript:setRoleOptions(this,'."'$num','$content->{'domain'}','$content->{'number'}','$uctype'".')" value="'.$max_id.'" /><input type="hidden" name="role_'.$num.'_'.$max_id.'" /><input type="hidden" name="access_'.$num.'_'.$max_id.'" /><input type="hidden" name="section_'.$num.'_'.$max_id.'" /><input type="hidden" name="group_'.$num.'_'.$max_id.'" /></td>');
 1395:     } elsif ($status eq 'new') {
 1396:         my $role_id = 1;
 1397:         my $role_selects = &role_selectors($num,$role_id,$status,$type,undef,'display');
 1398:         $r->print('<tr><td><input type="checkbox" name="add_role_'.$num.'" value="'.$role_id.'" checked="checked" />'.&mt('Add').'<input type="hidden" name="grplist_'.$num.'_'.$role_id.'" /></td>'.$role_selects);
 1399:         $r->print('</tr></table></td>');
 1400:     }
 1401:     return;
 1402: }
 1403: 
 1404: sub domains_row {
 1405:     my ($r,$status,$item,$all_doms,$access_controls,$now,$then) = @_;
 1406:     my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
 1407:                                                     'domains');
 1408:     my $dom_select = '<select name="dom_'.$num.'" size="4" multiple="true">'.
 1409:                      ' <option value="">'.&mt('Please select').'</option>';
 1410:     if ($status eq 'old') {
 1411:         my $content =  $$access_controls{$item};
 1412: 	foreach my $dom (@{$all_doms}) {
 1413:             if ((@{$content->{'dom'}} > 0) 
 1414: 		&& (grep(/^\Q$dom\E$/,@{$content->{'dom'}}))) {
 1415:                 $dom_select .= '<option value="'.$dom.'" selected>'.
 1416:                                $dom.'</option>';
 1417:             } else {
 1418:                 $dom_select .= '<option value="'.$dom.'">'.$dom.'</option>';
 1419:             }
 1420:         }
 1421:     } else {
 1422:         foreach my $dom (@{$all_doms}) {
 1423:             $dom_select .= '<option value="'.$dom.'">'.$dom.'</option>';
 1424:         }
 1425:     }
 1426:     $dom_select .= '</select>';
 1427:     $r->print('<td>'.&actionbox($status,$num,$scope).'</td><td>'.$dom_select.
 1428:               '</td><td>'.&dateboxes($num,$start,$end).'</td>');
 1429: }
 1430: 
 1431: sub users_row {
 1432:     my ($r,$status,$item,$access_controls,$now,$then) = @_;
 1433:     my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
 1434:                                                     'users');
 1435:     my $curr_user_list;
 1436:     if ($status eq 'old') {
 1437:         my $content = $$access_controls{$item};
 1438:         $curr_user_list = &sort_users($content->{'users'});
 1439:     }
 1440:     $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>');
 1441: }
 1442: 
 1443: sub additional_item {
 1444:     my ($type) = @_;
 1445:     my $output = &mt('Add new [_1] condition(s)?',$type).'&nbsp;'.&mt('Number to add: ').'<input type="text" name="new'.$type.'" size="3" value="0" />';
 1446:     return $output;
 1447: }
 1448: 
 1449: sub actionbox {
 1450:     my ($status,$num,$scope) = @_;
 1451:     my $output = '<span style="white-space: nowrap"><label>';
 1452:     if ($status eq 'new') {
 1453:         $output .= '<input type="checkbox" name="activate" value="'.$num.'" />'.
 1454:         &mt('Activate');
 1455:     } else {
 1456:         $output .= '<input type="checkbox" name="delete" value="'.$num.
 1457:                    '" />'.&mt('Delete').'</label></span><br /><span style="white-space: nowrap">'.
 1458:                    '<label><input type="checkbox" name="update" value="'.
 1459:                    $num.'" />'.&mt('Update');
 1460:     }
 1461:     $output .= '</label></span><input type="hidden" name="scope_'.$num.                '" value="'.$scope.'" />';
 1462:     return $output;
 1463: }
 1464:                                                                                    
 1465: sub dateboxes {
 1466:     my ($num,$start,$end) = @_;
 1467:     my $noend;
 1468:     if ($end == 0) {
 1469:         $noend = 'checked="checked"';
 1470:     }
 1471:     my $startdate = &Apache::lonhtmlcommon::date_setter('portform',
 1472:                            'startdate_'.$num,$start,undef,undef,undef,1,undef,
 1473:                             undef,undef,1);
 1474:     my $enddate = &Apache::lonhtmlcommon::date_setter('portform',
 1475:                                'enddate_'.$num,$end,undef,undef,undef,1,undef,
 1476:                                 undef,undef,1). '&nbsp;&nbsp;<span style="white-space: nowrap"><label>'.
 1477:                                 '<input type="checkbox" name="noend_'.
 1478:                                 $num.'" '.$noend.' />'.&mt('No end date').
 1479:                                 '</label></span>';
 1480:                                                                                    
 1481:     my $output = &mt('Start: ').$startdate.'<br />'.&mt('End: ').$enddate;
 1482:     return $output;
 1483: }
 1484: 
 1485: sub unpack_acc_key {
 1486:     my ($acc_key) = @_;
 1487:     my ($num,$scope,$end,$start) = ($acc_key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
 1488:     return ($num,$scope,$end,$start);
 1489: }
 1490: 
 1491: sub set_identifiers {
 1492:     my ($status,$item,$now,$then,$scope) = @_;
 1493:     if ($status eq 'old') {
 1494:         return(&unpack_acc_key($item));
 1495:     } else {
 1496:         return($item,$scope,$then,$now);
 1497:     }
 1498: } 
 1499: 
 1500: sub role_selectors {
 1501:     my ($num,$role_id,$status,$type,$content,$caller) = @_;
 1502:     my ($output,$cdom,$cnum,$longid);
 1503:     if ($caller eq 'display') {
 1504:         $longid = '_'.$num.'_'.$role_id;
 1505:         if ($status eq 'new') {
 1506:             foreach my $item ('role','access','section','group') {
 1507:                 $output .= '<td><select name="'.$item.$longid.'">'.
 1508:                            '<option value="">'.&mt('Pick [_1] first',$type).
 1509:                            '</option></select></td>';
 1510:             }
 1511:             return $output;
 1512:         } else {
 1513:             $cdom = $$content{'domain'};
 1514:             $cnum = $$content{'number'};
 1515:         }
 1516:     } elsif ($caller eq 'rolepicker') {
 1517:          $cdom = $env{'form.cdom'};
 1518:          $cnum = $env{'form.cnum'};
 1519:     }
 1520:     my $uctype = $type;
 1521:     $uctype =~ s/^(\w)/uc($1)/e;
 1522:     my ($sections,$groups,$allroles,$rolehash,$accesshash) =
 1523:             &Apache::loncommon::get_secgrprole_info($cdom,$cnum,1,$uctype);
 1524:     if (!@{$sections}) {
 1525:         @{$sections} = ('none');
 1526:     } else {
 1527:         unshift(@{$sections},('all','none'));
 1528:     }
 1529:     if (!@{$groups}) {
 1530:         @{$groups} = ('none');
 1531:     } else {
 1532:         unshift(@{$groups},('all','none'));
 1533:     }
 1534:     my @allacesses = sort(keys(%{$accesshash}));
 1535:     my (%sectionhash,%grouphash);
 1536:     foreach my $sec (@{$sections}) {
 1537:         $sectionhash{$sec} = $sec;
 1538:     }
 1539:     foreach my $grp (@{$groups}) {
 1540:         $grouphash{$grp} = $grp;
 1541:     }
 1542:     my %lookup = (
 1543:                    'role' => $rolehash,
 1544:                    'access' => $accesshash,
 1545:                    'section' => \%sectionhash,
 1546:                    'group' => \%grouphash,
 1547:                  );
 1548:     my @allaccesses = sort(keys(%{$accesshash}));
 1549:     my %allitems = (
 1550:                     'role' => $allroles,
 1551:                     'access' => \@allaccesses,
 1552:                     'section' => $sections,
 1553:                     'group' => $groups, 
 1554:                    );
 1555:     foreach my $item ('role','access','section','group') {
 1556:         $output .= '<td><select name="'.$item.$longid.'" multiple="true" size="4">'."\n";
 1557:         foreach my $entry (@{$allitems{$item}}) {
 1558:             if ($caller eq 'display') {
 1559:                 if ((@{$$content{'roles'}{$role_id}{$item}} > 0) && 
 1560:                     (grep(/^\Q$entry\E$/,@{$$content{'roles'}{$role_id}{$item}}))) {
 1561:                     $output .= '  <option value="'.$entry.'" selected>'.
 1562:                                   $lookup{$item}{$entry}.'</option>';
 1563:                     next;
 1564:                 }
 1565:             }
 1566:             $output .= '  <option value="'.$entry.'">'.
 1567:                        $lookup{$item}{$entry}.'</option>';
 1568:         }
 1569:         $output .= '</select>';
 1570:     }
 1571:     $output .= '</td>';
 1572:     return $output;
 1573: }
 1574: 
 1575: sub role_options_window {
 1576:     my ($r) = @_;
 1577:     my $cdom = $env{'form.cdom'};
 1578:     my $cnum = $env{'form.cnum'};
 1579:     my $type = $env{'form.type'};
 1580:     my $addindex = $env{'form.setroles'};
 1581:     my $grouptitle = 'Groups';
 1582:     if ($type eq 'Group') {
 1583:          $grouptitle = 'Teams';
 1584:     } 
 1585:     my $role_selects = &role_selectors(1,1,'new',$type,undef,'rolepicker');
 1586:     $r->print(<<"END_SCRIPT");
 1587: <script type="text/javascript">
 1588: function setRoles() {
 1589:     var addidx = $addindex+1;
 1590:     for (var i=0; i<4; i++) {
 1591:         var copylist = '';
 1592:         for (var j=0; j<document.rolepicker.elements[i].length; j++) {
 1593:             if (document.rolepicker.elements[i].options[j].selected) {
 1594:                 copylist = copylist + document.rolepicker.elements[i].options[j].value + ',';
 1595:             }
 1596:         }
 1597:         copylist = copylist.substr(0,copylist.length-1);
 1598:         opener.document.portform.elements[addidx+i].value = copylist;
 1599:     }
 1600:     self.close();
 1601: }
 1602: </script>
 1603: END_SCRIPT
 1604:     $r->print(&mt('Select roles, course status, section(s) and group(s) for users who will be able to access the portfolio file.'));
 1605:     $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($grouptitle).'</th></tr><tr>'.$role_selects.'</tr></table><br /><input type="button" name="rolepickbutton" value="Save selections" onclick="setRoles()" />');
 1606:     return;
 1607: }
 1608: 
 1609: sub select_files {
 1610:     my ($r) = @_;
 1611:     if ($env{'form.continue'} eq 'true') {
 1612:         # here we update the selections for the currentpath
 1613:         # eventually, have to handle removing those not checked, but . . . 
 1614:         my @items=&Apache::loncommon::get_env_multiple('form.checkfile');
 1615:         if (scalar(@items)){
 1616:              &Apache::lonnet::save_selected_files($env{'user.name'}, $env{'form.currentpath'}, @items);
 1617:         }
 1618:     } else {
 1619:             #empty the file for a fresh start
 1620:             &Apache::lonnet::clear_selected_files($env{'user.name'});
 1621:     }
 1622:     my @files = &Apache::lonnet::files_not_in_path($env{'user.name'}, $env{'form.currentpath'});
 1623:     my $java_files = join ",", @files;
 1624:     if ($java_files) {
 1625:         $java_files.=',';
 1626:     }
 1627:     my $javascript =(<<ENDSMP);
 1628:         <script type="text/javascript">
 1629:         function finishSelect() {
 1630: ENDSMP
 1631:     $javascript .= 'fileList = "'.$java_files.'";';
 1632:     $javascript .= (<<ENDSMP);
 1633:             for (i=0;i<document.forms.checkselect.length;i++) { 
 1634:                 if (document.forms.checkselect[i].checked){
 1635:                     fileList = fileList + document.forms.checkselect.currentpath.value + document.forms.checkselect[i].value + "," ;
 1636:                 }
 1637:             }
 1638:             opener.document.forms.lonhomework.$env{'form.fieldname'}.value=fileList;
 1639:             self.close();
 1640:         }
 1641:         </script>
 1642: ENDSMP
 1643:     $r->print($javascript);
 1644:     $r->print("<h1>Select portfolio files</h1>
 1645:                 Check as many as you wish in response to the problem.<br />");
 1646:     my @otherfiles=&Apache::lonnet::files_not_in_path($env{'user.name'}, $env{'form.currentpath'});
 1647:     if (@otherfiles) {
 1648: 	$r->print("<strong>Files selected from other directories:</strong><br />");
 1649: 	foreach my $file (@otherfiles) {
 1650: 	    $r->print($file."<br />");
 1651: 	}
 1652:     }
 1653: }
 1654: 
 1655: sub upload {
 1656:     my ($r,$url,$group)=@_;
 1657:     my $fname=$env{'form.uploaddoc.filename'};
 1658:     my $filesize = (length($env{'form.uploaddoc'})) / 1000; #express in k (1024?)
 1659:     my $disk_quota = 20000; # expressed in k
 1660:     if (defined($group)) {
 1661:         my $grp_quota = &get_group_quota($group); # quota expressed in k 
 1662:         if ($grp_quota ne '') {
 1663:             $disk_quota = $grp_quota;
 1664:         } else {
 1665:             $disk_quota = 0;
 1666:         }
 1667:     }
 1668:     $fname=&Apache::lonnet::clean_filename($fname);
 1669: 
 1670:     my $portfolio_root=&get_portfolio_root();
 1671:     my ($uname,$udom) = &get_name_dom();
 1672:     my $port_path = &get_port_path();
 1673:     # Fixme --- Move the checking for existing file to LOND error return
 1674:     my @dir_list=&get_dir_list($portfolio_root);
 1675:     my $found_file = 0;
 1676:     my $locked_file = 0;
 1677:     foreach my $line (@dir_list) {
 1678:         my ($file_name)=split(/\&/,$line,2);
 1679:         if ($file_name eq $fname){
 1680:             $file_name = $env{'form.currentpath'}.$file_name;
 1681:             $file_name = &prepend_group($file_name);
 1682:             $found_file = 1;
 1683:             if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
 1684:                 $locked_file = 1;
 1685:             } 
 1686:         }
 1687:     }
 1688:     my $current_disk_usage = &Apache::lonnet::diskusage($udom,$uname,$portfolio_root);
 1689:     if (($current_disk_usage + $filesize) > $disk_quota){
 1690:         $r->print('<span class="LC_error">Unable to upload <strong>'.$fname.' (size = '.$filesize.' kilobytes)</strong>. Disk quota will be exceeded.</span>'.
 1691:                   '<br />Disk quota is '.$disk_quota.' kilobytes. Your current disk usage is '.$current_disk_usage.' kilobytes.');
 1692:         $r->print(&done('Back',$url));
 1693:     } 
 1694:     elsif ($found_file){
 1695:         if ($locked_file){
 1696:             $r->print('<span class="LC_error">'.'Unable to upload <strong>'.$fname.'</strong>, a <strong>locked</strong> file by that name was found in <strong>'.$port_path.$env{'form.currentpath'}.'</strong></span>'.
 1697:                   '<br />You will be able to rename or delete existing '.$fname.' after a grade has been assigned.');
 1698:             $r->print(&done('Back',$url));      
 1699:         } else {   
 1700:             $r->print('<span class="LC_error">'.'Unable to upload <strong>'.$fname.'</strong>, a file by that name was found in <strong>'.$port_path.$env{'form.currentpath'}.'</strong></span>'.
 1701:                   '<br />To upload, rename or delete existing '.$fname.' in '.$port_path.$env{'form.currentpath'});
 1702:             $r->print(&done('Back',$url));
 1703:         }
 1704:     } else {
 1705:         my $result=&Apache::lonnet::userfileupload('uploaddoc','',
 1706: 	        	 $port_path.$env{'form.currentpath'});
 1707:         if ($result !~ m|^/uploaded/|) {
 1708:             $r->print('<span class="LC_error">'.'An errror occured ('.$result.
 1709: 	              ') while trying to upload '.&display_file().'</span><br />');
 1710: 	    $r->print(&done('Back',$url));
 1711:         } else {
 1712:             $r->print(&done(undef,$url));
 1713:         }
 1714:     }
 1715: }
 1716: 
 1717: sub lock_info {
 1718:     my ($r,$url,$group) = @_;
 1719:     my ($uname,$udom) = &get_name_dom();
 1720:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
 1721:                                                                        $uname);
 1722:     my $file_name = $env{'form.lockinfo'};
 1723:     $file_name = &prepend_group($file_name);
 1724:     if (defined($file_name) && defined($$current_permissions{$file_name})) {
 1725:         foreach my $array_item (@{$$current_permissions{$file_name}}) {
 1726:             next if (ref($array_item) ne 'ARRAY');
 1727: 
 1728: 	    my $filetext;
 1729: 	    if (defined($group)) {
 1730: 		$filetext = '<strong>'.$env{'form.lockinfo'}.
 1731: 		    '</strong> (group: '.$group.')'; 
 1732: 	    } else {
 1733: 		$filetext = '<strong>'.$file_name.'</strong>';
 1734: 	    } 
 1735: 	    
 1736: 	    my $title ='<strong>'.&Apache::lonnet::gettitle($$array_item[0]).
 1737: 		'</strong><br />';
 1738: 	    if ($$array_item[-1] eq 'graded') {
 1739: 		$r->print(&mt('[_1] was submitted in response to problem: [_2]',
 1740:                               $filetext,$title));
 1741: 	    } elsif ($$array_item[-1] eq 'handback') {
 1742: 		$r->print(&mt('[_1] was handed back in response to problem: [_2]',
 1743:                               $filetext,$title));
 1744: 	    } else {
 1745: 		# submission style lock
 1746: 		$r->print(&mt('[_1] was submitted in response to problem: [_2]',
 1747:                               $filetext,$title));
 1748: 	    }
 1749: 	    my %course_description = 
 1750: 		&Apache::lonnet::coursedescription($$array_item[1]);
 1751: 	    if ( $course_description{'description'} ne '') {
 1752: 		$r->print(&mt('In the course: <strong>[_1]</strong><br />',
 1753: 			      $course_description{'description'}));
 1754: 	    }
 1755:         }
 1756:     }
 1757:     $r->print(&done('Back',$url));
 1758:     return 'ok';
 1759: }
 1760: 
 1761: sub createdir {
 1762:     my ($r,$url)=@_;
 1763:     my $newdir=&Apache::lonnet::clean_filename($env{'form.newdir'});
 1764:     if ($newdir eq '') {
 1765:     	$r->print('<span class="LC_error">'.
 1766: 	    	  &mt("Error: no directory name was provided.").
 1767: 		      '</span><br />');
 1768: 	    $r->print(&done(undef,$url));
 1769: 	    return;
 1770:     }
 1771:     my $portfolio_root = &get_portfolio_root(); 
 1772:     my @dir_list=&get_dir_list($portfolio_root);
 1773:     my $found_file = 0;
 1774:     foreach my $line (@dir_list) {
 1775:         my ($filename)=split(/\&/,$line,2);
 1776:         if ($filename eq $newdir){
 1777:             $found_file = 1;
 1778:         }
 1779:     }
 1780:     if ($found_file){
 1781:     	    $r->print('<span class="LC_error">'.'Unable to create a directory named <strong>'.$newdir.
 1782:     	            ' </strong>a file or directory by that name already exists.</span><br />');
 1783:     } else {
 1784:         my ($uname,$udom) = &get_name_dom();
 1785:         my $port_path = &get_port_path();
 1786:         my $result=&Apache::lonnet::mkdiruserfile($uname,$udom,
 1787: 	         $port_path.$env{'form.currentpath'}.$newdir);
 1788:         if ($result ne 'ok') {
 1789:     	    $r->print('<span class="LC_error">'.'An errror occured ('.$result.
 1790: 	    	      ') while trying to create a new directory '.&display_file().'</span><br />');
 1791:         }
 1792:     }
 1793:     if ($newdir ne $env{'form.newdir'}) {
 1794:         $r->print("The new directory name was changed from:<br /><strong>".$env{'form.newdir'}."</strong> to <strong>$newdir </strong>");  
 1795:     }
 1796:     $r->print(&done(undef,$url));
 1797: }
 1798: 
 1799: sub get_portfolio_root {
 1800:     my ($udom,$uname,$group) = @_;
 1801:     if (!(defined($udom)) || !(defined($uname))) {
 1802:         ($uname,$udom) = &get_name_dom();
 1803:     }
 1804:     my $path = '/userfiles/portfolio';
 1805:     if (!defined($group)) { 
 1806:         if (defined($env{'form.group'})) {
 1807:             $group = $env{'form.group'};      
 1808:         }
 1809:     }
 1810:     if (defined($group)) {
 1811:         $path = '/userfiles/groups/'.$group.'/portfolio';
 1812:     } 
 1813:     return (&Apache::loncommon::propath($udom,$uname).$path);
 1814: }
 1815: 
 1816: sub get_group_quota {
 1817:     my ($group) = @_;
 1818:     my $group_quota; 
 1819:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 1820:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 1821:     my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);
 1822:     if (%curr_groups) {
 1823:         my %group_info =  &Apache::longroup::get_group_settings(
 1824:                                                     $curr_groups{$group});
 1825:         $group_quota = $group_info{'quota'}; #expressed in Mb
 1826:         if ($group_quota) {
 1827:             $group_quota = 1000 * $group_quota; #expressed in k
 1828:         } 
 1829:     }
 1830:     return $group_quota;
 1831: } 
 1832: 
 1833: sub get_dir_list {
 1834:     my ($portfolio_root) = @_;
 1835:     my ($uname,$udom) = &get_name_dom();
 1836:     return &Apache::lonnet::dirlist($env{'form.currentpath'},
 1837:                                           $udom,$uname,$portfolio_root);
 1838: }
 1839: 
 1840: sub get_name_dom {
 1841:     my ($uname,$udom);
 1842:     if (defined($env{'form.group'})) {
 1843:         $udom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 1844:         $uname = $env{'course.'.$env{'request.course.id'}.'.num'};
 1845:     } else {
 1846:         $udom = $env{'user.domain'};
 1847:         $uname = $env{'user.name'};
 1848:     }
 1849:     return ($uname,$udom);
 1850: }
 1851: 
 1852: sub prepend_group {
 1853:     my ($filename) = @_;
 1854:     if (defined($env{'form.group'})) {
 1855:         $filename = $env{'form.group'}.$filename;
 1856:     }
 1857:     return $filename;
 1858: }
 1859: 
 1860: sub get_namespace {
 1861:     my $namespace = 'portfolio';
 1862:     if (defined($env{'form.group'})) {
 1863:         my ($uname,$udom) = &get_name_dom();
 1864:         $namespace .= '_'.$udom.'_'.$uname.'_'.$env{'form.group'};
 1865:     }
 1866:     return $namespace;
 1867: }
 1868: 
 1869: sub get_port_path {
 1870:     my $port_path;
 1871:     if (defined($env{'form.group'})) {
 1872:        $port_path = "groups/$env{'form.group'}/portfolio";
 1873:     } else {
 1874:        $port_path = 'portfolio';
 1875:     }
 1876:     return $port_path;
 1877: }
 1878: 
 1879: sub missing_priv {
 1880:     my ($r,$url,$priv) = @_;
 1881:     my $longtext = {
 1882:                       upload => 'upload files',
 1883:                       delete => 'delete files',
 1884:                       rename => 'rename files',
 1885:                       setacl => 'set access controls for files',
 1886:                    };
 1887:     my $escpath = &HTML::Entities::encode($env{'form.currentpath'},'&<>"');
 1888:     my $rtnlink = '<a href="'.$url;
 1889:     if ($url =~ /\?/) {
 1890:         $rtnlink .= '&';
 1891:     } else {
 1892:         $rtnlink .= '?';
 1893:     }
 1894:     $rtnlink .= 'currentpath='.$escpath;
 1895:     $r->print(&mt('<h3>Action disallowed</h3>'));
 1896:     $r->print(&mt('You do not have sufficient privileges to [_1] ',
 1897:                   $longtext->{$priv}));
 1898:     if (defined($env{'form.group'})) {
 1899:         $r->print(&mt("in the group's file repository."));
 1900:         $rtnlink .= &group_args()
 1901:     } else {
 1902:         $r->print(&mt('in this portfolio.'));
 1903:     }
 1904:     $rtnlink .= '">'.&mt('Return to directory listing page').'</a>';
 1905:     $r->print('<br />'.$rtnlink);
 1906:     $r->print(&Apache::loncommon::end_page());
 1907:     return;
 1908: }
 1909: 
 1910: sub coursegrp_portfolio_header {
 1911:     my ($cdom,$cnum,$grp_desc)=@_;
 1912:     my $gpterm  = &Apache::loncommon::group_term();
 1913:     my $ucgpterm = $gpterm;
 1914:     $ucgpterm =~ s/^(\w)/uc($1)/e;
 1915:     if ($env{'form.ref'}) {
 1916:         &Apache::lonhtmlcommon::add_breadcrumb
 1917:             ({href=>"/adm/coursegroups",
 1918:               text=>"Groups",
 1919:               title=>"Course Groups"});
 1920:     }
 1921:     &Apache::lonhtmlcommon::add_breadcrumb
 1922:         ({href=>"/adm/$cdom/$cnum/$env{'form.group'}/smppg?ref=$env{'form.ref'}",
 1923:           text=>"$ucgpterm: $grp_desc",
 1924:           title=>"Go to group's home page"},
 1925:          {href=>"/adm/coursegrp_portfolio?".&group_args(),
 1926:           text=>"Group Portfolio",
 1927:           title=>"Display group portfolio"});
 1928:     my $output = &Apache::lonhtmlcommon::breadcrumbs(
 1929:                          &mt('[_1] portfolio files - [_2]',$gpterm,$grp_desc));
 1930:     return $output;
 1931: }
 1932: 
 1933: 
 1934: sub handler {
 1935:     # this handles file management
 1936:     my $r = shift;
 1937:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 1938:          ['selectfile','currentpath','meta','lockinfo','currentfile','action',
 1939: 	  'fieldname','mode','rename','continue','group','access','setnum',
 1940:           'cnum','cdom','type','setroles','showversions','ref']);
 1941:     my ($uname,$udom,$portfolio_root,$url,$caller,$title,$group,$grp_desc);
 1942:     if ($r->uri =~ m|^(/adm/)([^/]+)|) {
 1943:         $url = $1.$2;
 1944:         $caller = $2;
 1945:     }
 1946:     my ($can_modify,$can_delete,$can_upload,$can_setacl);
 1947:     if ($caller eq 'coursegrp_portfolio') {
 1948:     #  Needs to be in a course
 1949:         if (! ($env{'request.course.fn'})) {
 1950:         # Not in a course
 1951:             $env{'user.error.msg'}=
 1952:      "/adm/coursegrp_portfolio:rgf:0:0:Cannot view group portfolio";
 1953:             return HTTP_NOT_ACCEPTABLE;
 1954:         }
 1955:         my $earlyout = 0;
 1956:         my $view_permission = 
 1957:            &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
 1958:         $env{'form.group'} =~ s/\W//g;
 1959: 	$group = $env{'form.group'};
 1960:         if ($group) {
 1961:             ($uname,$udom) = &get_name_dom();
 1962:             my %curr_groups = &Apache::longroup::coursegroups($udom,$uname,
 1963: 							       $group); 
 1964:             if (%curr_groups) {
 1965:                 my %grp_content = &Apache::longroup::get_group_settings(
 1966:                                                          $curr_groups{$group});
 1967:                 $grp_desc = &unescape($grp_content{'description'});
 1968:                 if (($view_permission) || (&Apache::lonnet::allowed('rgf',
 1969:                                       $env{'request.course.id'}.'/'.$group))) {
 1970:                     $portfolio_root = &get_portfolio_root();
 1971:                 } else {
 1972:                     $r->print('You do not have the privileges required to access the shared files space for this group.');
 1973:                     $earlyout = 1;
 1974:                 }
 1975:             } else {
 1976:                 $r->print('Not a valid group for this course');
 1977:                 $earlyout = 1;
 1978:             }
 1979:             $title = &mt('Group files').' for '.$group; 
 1980:         } else {
 1981:             $r->print('Invalid group');
 1982:             $earlyout = 1;
 1983:         }
 1984:         if ($earlyout) { return OK; }
 1985:         if (&Apache::lonnet::allowed('mdg',$env{'request.course.id'})) {
 1986:             $can_modify = 1;
 1987:             $can_delete = 1;
 1988:             $can_upload = 1;
 1989:             $can_setacl = 1;
 1990:         } else {
 1991:             if (&Apache::lonnet::allowed('agf',$env{'request.course.id'}.'/'.$group)) {
 1992:                 $can_setacl = 1;
 1993:             }
 1994:             if (&Apache::lonnet::allowed('ugf',$env{'request.course.id'}.'/'.$group)) {
 1995:                 $can_upload = 1;
 1996:             }
 1997:             if (&Apache::lonnet::allowed('mgf',$env{'request.course.id'}.'/'.$group)) {
 1998:                 $can_modify = 1;
 1999:             }
 2000:             if (&Apache::lonnet::allowed('dgf',$env{'request.course.id'}.'/'.$group)) {
 2001:                 $can_delete = 1;
 2002:             }
 2003:         }
 2004:     } else {
 2005:         ($uname,$udom) = &get_name_dom();
 2006:         $portfolio_root = &get_portfolio_root();
 2007:         $title = &mt('Portfolio Manager');
 2008:         $can_modify = 1;
 2009:         $can_delete = 1;
 2010:         $can_upload = 1;
 2011:         $can_setacl = 1;
 2012:     }
 2013: 
 2014:     my $port_path = &get_port_path();
 2015:     &Apache::loncommon::no_cache($r);
 2016:     &Apache::loncommon::content_type($r,'text/html');
 2017:     $r->send_http_header;
 2018:     # Give the LON-CAPA page header
 2019:     if ($env{"form.mode"} eq 'selectfile'){
 2020:         $r->print(&Apache::loncommon::start_page($title,undef,
 2021: 						 {'only_body' => 1}));
 2022:     } elsif ($env{'form.action'} eq 'rolepicker') {
 2023:         $r->print(&Apache::loncommon::start_page('New role-based condition',undef,
 2024:                                                  {'no_nav_bar'  => 1, }));
 2025:     } else {
 2026:         $r->print(&Apache::loncommon::start_page($title));
 2027:     }
 2028:     $r->rflush();
 2029: 	if (($env{'form.storeupl'}) & (!$env{'form.uploaddoc.filename'})){
 2030:    	    $r->print('<span class="LC_error">'.
 2031: 		      'No file was selected to upload.'.
 2032: 		      'To upload a file, click <strong>Browse...</strong>'.
 2033: 		      ', select a file, then click <strong>Upload</strong>.'.
 2034: 		      '</span>');
 2035: 	}
 2036:     if ($env{'form.meta'}) {
 2037:         &open_form($r,$url);
 2038: #        $r->print(&edit_meta_data($r, $env{'form.currentpath'}.$env{'form.selectfile'}));
 2039:         $r->print('Edit the meta data<br />');
 2040:         &close_form($r,$url);
 2041:     }
 2042:     if ($env{'form.store'}) {
 2043:     }
 2044: 
 2045:     if ($env{'form.uploaddoc.filename'}) {
 2046:         if ($can_upload) {
 2047: 	    &upload($r,$url,$group);
 2048:         } else {
 2049:             &missing_priv($r,$url,'upload');
 2050:         }
 2051:     } elsif ($env{'form.action'} eq 'delete' && $env{'form.confirmed'}) {
 2052:         if ($can_delete) {
 2053: 	    &delete_confirmed($r,$url,$group);
 2054:         } else {
 2055:             &missing_priv($r,$url,'delete');
 2056:         }
 2057:     } elsif ($env{'form.action'} eq 'delete') {
 2058:         if ($can_delete) {
 2059: 	    &delete($r,$url);
 2060:         } else {
 2061:             &missing_priv($r,$url,'delete');
 2062:         }
 2063:     } elsif ($env{'form.action'} eq 'deletedir' && $env{'form.confirmed'}) {
 2064:         if ($can_delete) {
 2065: 	    &delete_dir_confirmed($r,$url);
 2066:         } else {
 2067:             &missing_priv($r,$url,'delete');
 2068:         }
 2069:     } elsif ($env{'form.action'} eq 'deletedir') {
 2070:         if ($can_delete) {
 2071: 	    &delete_dir($r,$url);
 2072:         } else {
 2073:             &missing_priv($r,$url,'delete');
 2074:         }
 2075:     } elsif ($env{'form.action'} eq 'rename' && $env{'form.confirmed'}) {
 2076:         if ($can_modify) {
 2077: 	    &rename_confirmed($r,$url,$group);
 2078:         } else {
 2079:             &missing_priv($r,$url,'rename');
 2080:         }
 2081:     } elsif ($env{'form.rename'}) {
 2082:         $env{'form.selectfile'} = $env{'form.rename'};
 2083:         $env{'form.action'} = 'rename';
 2084:         if ($can_modify) {
 2085: 	    &rename($r,$url);
 2086:         } else {
 2087:             &missing_priv($r,$url,'rename');
 2088:         }
 2089:     } elsif ($env{'form.access'}) {
 2090:         $env{'form.selectfile'} = $env{'form.access'};
 2091:         $env{'form.action'} = 'chgaccess';
 2092:         &display_access($r,$url,$group,$can_setacl,$port_path);
 2093:     } elsif ($env{'form.action'} eq 'chgaccess') {
 2094:         if ($can_setacl) {
 2095:             &update_access($r,$url,$group,$port_path);
 2096:         } else {
 2097:             &missing_priv($r,$url,'setacl');
 2098:         }
 2099:     } elsif ($env{'form.action'} eq 'rolepicker') {
 2100:         if ($can_setacl) { 
 2101:             &role_options_window($r);
 2102:         } else {
 2103:             &missing_priv($r,$url,'setacl');
 2104:         }
 2105:     } elsif ($env{'form.createdir'}) {
 2106:         if ($can_upload) {
 2107: 	    &createdir($r,$url);
 2108:         } else {
 2109:             &missing_priv($r,$url,'upload');
 2110:         }
 2111:     } elsif ($env{'form.lockinfo'}) {
 2112:         &lock_info($r,$url,$group);
 2113:     } else {
 2114: 	my $current_path='/';
 2115: 	if ($env{'form.currentpath'}) {
 2116: 	    $current_path = $env{'form.currentpath'};
 2117: 	}
 2118:         if ($caller eq 'coursegrp_portfolio') {
 2119:             &Apache::lonhtmlcommon::clear_breadcrumbs();
 2120:             $r->print(&coursegrp_portfolio_header($udom,$uname,$grp_desc));
 2121:         }
 2122:         my @dir_list=&get_dir_list($portfolio_root);
 2123: 	if ($dir_list[0] eq 'no_such_dir'){
 2124: 	    # two main reasons for this:
 2125:             #    1) never been here, so directory structure not created
 2126: 	    #    2) back-button navigation after deleting a directory
 2127: 	    if ($current_path eq '/'){
 2128: 	        &Apache::lonnet::mkdiruserfile($uname,$udom,
 2129: 					       &get_port_path());
 2130: 	    } else {
 2131:                 # some directory that snuck in get rid of the directory
 2132:                 # from the recent pulldown, just in case
 2133: 		&Apache::lonhtmlcommon::remove_recent('portfolio',
 2134: 						      [$current_path]);
 2135: 		$current_path = '/'; # force it back to the root        
 2136: 	    }
 2137: 	    # now grab the directory list again, for the first time
 2138: 	    @dir_list=&Apache::lonnet::dirlist($current_path,
 2139: 					    $udom,$uname,$portfolio_root);
 2140:         }
 2141: 	# need to know if directory is empty so it can be removed if desired
 2142: 	my $is_empty=(@dir_list == 2);
 2143: 	&display_common($r,$url,$current_path,$is_empty,\@dir_list,
 2144: 			$can_upload);
 2145:         &display_directory($r,$url,$current_path,$is_empty,\@dir_list,$group,
 2146:                            $can_upload,$can_modify,$can_delete,$can_setacl);
 2147: 	$r->print(&Apache::loncommon::end_page());
 2148:     }
 2149:     return OK;
 2150: }
 2151: 
 2152: 1;
 2153: __END__

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