File:  [LON-CAPA] / loncom / interface / portfolio.pm
Revision 1.161: download - view: text, annotated - select for diffs
Thu Aug 24 17:38:21 2006 UTC (17 years, 9 months ago) by banghart
Branches: MAIN
CVS tags: HEAD
	After seeing lock info of versioned file, return to opened
	"folder" of root file.

    1: # The LearningOnline Network
    2: # portfolio browser
    3: #
    4: # $Id: portfolio.pm,v 1.161 2006/08/24 17:38:21 banghart 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:         $r->print(<<"TABLE"); 
   99: <table id="LC_portfolio_actions">
  100:   <tr id="LC_portfolio_upload">
  101:     <td class="LC_label">
  102:       $text{'upload_label'}
  103:     </td>
  104:     <td class="LC_value">
  105:       <form method="post" enctype="multipart/form-data" action="$escuri">
  106:         $groupitem 
  107:         <input name="uploaddoc" type="file" />
  108: 	<input type="hidden" name="currentpath" value="$current_path" />
  109: 	<input type="hidden" name="action" value="$env{"form.action"}" />
  110: 	<input type="hidden" name="fieldname" value="$env{"form.fieldname"}" />
  111: 	<input type="hidden" name="mode" value="$env{"form.mode"}" />
  112: 	<input type="submit" name="storeupl" value="$text{'upload'}" />
  113:       </form>
  114:     </td>
  115:   </tr>
  116:   <tr id="LC_portfolio_createdir">
  117:     <td class="LC_label">
  118:       $text{'createdir_label'}
  119:     </td>
  120:     <td class="LC_value">
  121:       <form method="post" action="$escuri">
  122:         <input name="newdir" type="input" />$groupitem
  123:         <input type="hidden" name="currentpath" value="$current_path" />
  124:         <input type="hidden" name="action" value="$env{"form.action"}" />
  125:         <input type="hidden" name="fieldname" value="$env{"form.fieldname"}" />
  126:         <input type="hidden" name="mode" value="$env{"form.mode"}" />
  127:         <input type="submit" name="createdir" value="$text{'createdir'}" />
  128:       </form>
  129:     </td>
  130:   </tr>
  131: </table>
  132: TABLE
  133:     }
  134:     my @tree = split (/\//,$current_path);
  135:     my %anchor_fields = (
  136:         'selectfile'    => $port_path,
  137:         'currentpath'   => '/',
  138:         'mode'          => $env{"form.mode"},
  139:         'fieldname'     => $env{"form.fieldname"},
  140:         'continue'      => $env{"form.continue"}
  141:     );
  142:     $r->print('<span class="LC_current_location">'.&make_anchor($url,\%anchor_fields,$port_path).'/');
  143:     if (@tree > 1){
  144:         my $newCurrentPath = '';
  145:         for (my $i = 1; $i< @tree; $i++){
  146:             $newCurrentPath .= $tree[$i].'/';
  147:             my %anchor_fields = (
  148:                 'selectfile' => $tree[$i],
  149:                 'currentpath' => '/',
  150:                 'mode' => $env{"form.mode"},
  151:                 'fieldname' => $env{"form.fieldname"},
  152:                 'continue' => $env{"form.continue"}
  153:             );
  154:             $r->print(&make_anchor($url,\%anchor_fields,$tree[$i]).'/');
  155:         }
  156:     }
  157:     $r->print('</span>');
  158:     &Apache::lonhtmlcommon::store_recent($namespace,$current_path,$current_path);
  159:     $r->print('<br /><form method="post" action="'.$url.'?mode='.$env{"form.mode"}.'&amp;fieldname='.$env{"form.fieldname"}.&group_args());
  160:     $r->print('">'.
  161: 	      &Apache::lonhtmlcommon::select_recent($namespace,'currentpath',
  162: 						    'this.form.submit();'));
  163:     $r->print("</form>");
  164: }
  165: 
  166: sub display_directory_line {
  167:     my ($r,$select_mode, $filename, $mtime, $size, $css_class,
  168: 	$line, $access_controls, $curr_access, $now, $version_flag,
  169: 	$href_location, $url, $current_path, $access_admin_text, $versions)=@_;
  170: 
  171:     my $fullpath =  &prepend_group($current_path.$filename);
  172:     $r->print('<tr class="'.$css_class.'">');
  173:     $r->print($line); # contains first two cells of table
  174:     my $lock_info;
  175:     if ($version_flag) { # versioned can't be versioned, so TRUE when root file
  176:         $r->print('<td><img alt="" src="'.&Apache::loncommon::icon($filename).'" /></td>');
  177:         $r->print('<td>'.$version_flag.'</td>');
  178:     } else { # this is a graded or handed back file
  179:         my ($user,$domain) = &get_name_dom();
  180:         my $permissions_hash = &Apache::lonnet::get_portfile_permissions($domain,$user);
  181:         if (defined($$permissions_hash{$fullpath})) {
  182:             foreach my $array_item (@{$$permissions_hash{$fullpath}}) {
  183:                 if (ref($array_item) eq 'ARRAY') {
  184:                     if ($$array_item[-1] eq 'handback') {
  185:                         $lock_info = 'Handback';
  186:                     } elsif ($$array_item[-1] eq 'graded') {
  187:                         $lock_info = 'Graded';
  188:                     }
  189:                  }
  190:             }
  191:         }
  192: 	if ($lock_info) {
  193: 	    my %anchor_fields = ('lockinfo' => $fullpath);
  194: 	    if ($versions) { # hold the folder open
  195: 	        my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($fullpath);
  196: 	        $fname =~ s|^/||;
  197: 	        $anchor_fields{'showversions'} = $fname.'.'.$extension;
  198: 	    }
  199: 	    $lock_info = &make_anchor(undef,\%anchor_fields,$lock_info);
  200: 	}
  201: 	$r->print('<td colspan="2">'.$lock_info.'</td>');
  202:     }
  203:     # $r->print('<td>'.$$version_flag{$filename}.'</td><td>');
  204:     $r->print('<td>'.&make_anchor($href_location.$filename,undef,$filename).'</td>'); 
  205:     $r->print('<td>'.$size.'</td>');
  206:     $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
  207:     if ($select_mode ne 'true') {
  208: 	$r->print('<td><span style="white-space: nowrap">'.
  209: 		  &mt($curr_access).'&nbsp;&nbsp;&nbsp;');
  210:         my %anchor_fields = (
  211:             'access' => $filename,
  212:             'currentpath' => $current_path
  213:         );
  214: 	$r->print(&make_anchor($url, \%anchor_fields, $access_admin_text).'</span></td>');
  215:     }
  216:     $r->print('</tr>'.$/);
  217: }
  218: 
  219: sub display_directory {
  220:     my ($r,$url,$current_path,$is_empty,$dir_list,$group,$can_upload,
  221:         $can_modify,$can_delete,$can_setacl)=@_;
  222:     my $iconpath= $r->dir_config('lonIconsURL') . "/";
  223:     my $display_out;
  224:     my $select_mode;
  225:     my $checked_files;
  226:     my $port_path = &get_port_path();
  227:     my ($uname,$udom) = &get_name_dom();
  228:     my $access_admin_text = &mt('View Status');
  229:     if ($can_setacl) {
  230:         $access_admin_text = &mt('View/Change Status');
  231:     }
  232: 
  233:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
  234:                                                                         $uname);
  235:     my %locked_files = &Apache::lonnet::get_marked_as_readonly_hash(
  236:                                                   $current_permissions,$group);
  237:     my %access_controls = &Apache::lonnet::get_access_controls($current_permissions,$group);
  238:     my $now = time;
  239:     if ($env{"form.mode"} eq 'selectfile'){
  240: 	&select_files($r);
  241: 	$checked_files =&Apache::lonnet::files_in_path($uname,$env{'form.currentpath'});
  242: 	$select_mode = 'true';
  243:     } 
  244:     if ($is_empty && ($current_path ne '/') && $can_delete) {
  245:         $display_out = '<form method="post" action="'.$url.'">'.
  246: 	    &group_form_data().
  247:         '<input type="hidden" name="action" value="deletedir" />'.
  248:         '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
  249:         '<input type="hidden" name="selectfile" value="" />'.
  250:         '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
  251:         '</form>';
  252:         
  253:         $r->print($display_out);
  254: 	return;
  255:     }
  256:     if ($select_mode eq 'true') {
  257:         $r->print('<form method="post" name="checkselect" action="'.$url.'">');
  258:         $r->print('<table id="LC_browser">'.
  259:             '<tr><th>Select</th><th>&nbsp;</th><th>&nbsp;</th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
  260:     } else {
  261:         $r->print('<form method="post" action="'.$url.'">');
  262:         $r->print('<table id="LC_browser">'.
  263:             '<tr><th colspan="2">Actions</th><th>&nbsp;</th><th>&nbsp;</th><th>Name</th><th>Size</th><th>Last Modified</th><th>Current Access Status</th></tr>');
  264:     }
  265:     $r->print("\n".&group_form_data()."\n");
  266: 
  267:     my $href_location="/uploaded/$udom/$uname/$port_path".$current_path;
  268:     my $href_edit_location="/editupload/$udom/$uname/$port_path".$current_path;
  269:     my @dir_lines;
  270:     my %versioned;
  271:     foreach my $dir_line (sort 
  272: 		      { 
  273: 			  my ($afile)=split('&',$a,2);
  274: 			  my ($bfile)=split('&',$b,2);
  275: 			  return (lc($afile) cmp lc($bfile));
  276: 		      } (@$dir_list)) {
  277:     	#$strip holds directory/file name
  278:     	#$dom 
  279:     	my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$dir_line,16); 
  280:     	$filename =~ s/\s+$//;
  281:     	my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($filename);
  282:     	if ($version) {
  283: 	    my $fullpath = &prepend_group($current_path.$fname.'.'.$extension);
  284:     	    push(@{ $versioned{$fullpath} },
  285: 		 [$filename,$dom,$testdir,$size,$mtime,$obs,]);
  286:     	} else {
  287:     	    push(@dir_lines, [$filename,$dom,$testdir,$size,$mtime,$obs]);
  288:     	}
  289:     }
  290:     foreach my $dir_line (@dir_lines) {
  291:         my ($filename,$dom,$testdir,$size,$mtime,$obs) = @$dir_line;
  292:         my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($filename);
  293:     	if (($filename ne '.') && ($filename ne '..') && ($filename !~ /\.meta$/ ) && ($filename !~ /(.*)\.(\d+)\.([^\.]*)$/)) {
  294:     	    my $version_flag;
  295:     	    my $show_versions;
  296: 	    my $fullpath =  &prepend_group($current_path.$filename);
  297:     	    if ($env{'form.showversions'} eq $filename) {
  298:     	        $show_versions = 'true';
  299:     	    }
  300:     	    if (exists($versioned{$fullpath})) {
  301:     	        my %anchor_fields = (
  302:     	            'selectfile' => $fullpath,
  303:     	            'continue' => 'false',
  304:     	            'currentpath' => $current_path,
  305:     	        );
  306:     	        if ($show_versions) {
  307:                     $version_flag = &make_anchor('portfolio',\%anchor_fields,
  308:                         '<img class="LC_icon" alt="'.&mt('opened folder').'" src="'.$iconpath.'folder_pointer_opened.gif" />');
  309:     	        } else {
  310:     	            $anchor_fields{'showversions'} = $filename;
  311:                     $version_flag = &make_anchor('portfolio',\%anchor_fields,
  312:                         '<img class="LC_icon" alt="'.&mt('closed folder').'" src="'.$iconpath.'folder_pointer_closed.gif" />');
  313:                 }
  314:     	    } else {
  315:     	        $version_flag = '&nbsp;';
  316:     	    }
  317:             if ($dirptr&$testdir) {
  318: 		my $colspan='colspan="2"';
  319:                 if ($select_mode eq 'true'){
  320: 		    undef($colspan);
  321:                 }
  322: 		$r->print('<tr class="LC_browser_folder"><td '.$colspan.'><img alt="'.&mt('closed folder').'" src="'.$iconpath.'folder_closed.gif" /></td>');
  323:                 $r->print('<td>Go to ...</td>');
  324:                 my %anchor_fields = (
  325:                     'selectfile'    => $filename.'/',
  326:                     'currentpath'   => $current_path.$filename.'/',
  327:                     'mode'          => $env{"form.mode"},
  328:                     'fieldname'     => $env{"form.fieldname"},
  329:                     'continue'      => $env{"form.continue"}
  330:                 );  
  331:                 $r->print('<td>'.$version_flag.'</td><td>'.&make_anchor($url,\%anchor_fields,$filename.'/').'</td>'); 
  332:                 $r->print('</tr>'); 
  333:             } else {
  334: 		my $css_class = 'LC_browser_file';
  335: 		my $line;
  336:                 if ($select_mode eq 'true') {
  337:                     $line='<td><input type="checkbox" name="checkfile" value="'.$filename.'"';
  338: 		    if ($$checked_files{$filename} eq 'selected') {
  339:                         $line.=" checked ";
  340:                     }
  341: 		    $line.=' /></td>';
  342:                 } else {
  343:                     if (exists $locked_files{$fullpath}) {
  344:                         my %anchor_fields = (
  345:                             'lockinfo' => $fullpath
  346:                         );
  347:                         $line.='<td colspan="2">'.&make_anchor($url,\%anchor_fields,'Locked').'</td>';
  348: 			$css_class= 'LC_browser_file_locked';
  349:                     } else {
  350:                         if (!$can_modify) {
  351:                             $line .= '<td colspan="2">';
  352:                         } else {
  353:                             $line .= '<td>';
  354:                         }
  355:                         if ($can_delete) {
  356:                             $line .= '<input type="checkbox" name="selectfile" value="'.$filename.'" />';
  357:                         }
  358:                         if ($can_modify) {
  359:                             my $cat='<img class="LC_icon" alt="'.&mt('Catalog Information').
  360:                             '" src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').'" />';
  361:                             my %anchor_fields = (
  362:                                 'rename' => $filename,
  363:                                 currentpath => $current_path
  364:                             );
  365:                             $line .= &make_anchor($url,\%anchor_fields,'Rename');
  366:                             $line .= '</td><td>'.&make_anchor($href_edit_location.$filename.'.meta',\%anchor_fields,$cat);
  367:                             # '<a href="'.$href_edit_location.$filename.'.meta">'.$cat.'</a>';
  368:                         }
  369:                         $line .= '</td>';
  370:                     }
  371:                 }
  372: 		my $curr_access;
  373: 		if ($select_mode ne 'true') {
  374: 		    my $pub_access = 0;
  375: 		    my $guest_access = 0;
  376: 		    my $cond_access = 0;
  377: 		    foreach my $key (sort(keys(%{$access_controls{$fullpath}}))) {
  378: 			my ($num,$scope,$end,$start) = &unpack_acc_key($key);
  379: 			if (($now > $start) && (!$end || $end > $now)) {
  380: 			    if ($scope eq 'public')  {
  381: 				$pub_access = 1;
  382: 			    } elsif ($scope eq 'guest') {
  383: 				$guest_access = 1;
  384: 			    } else {
  385: 				$cond_access = 1;
  386: 			    }
  387: 			}
  388: 		    }
  389: 		    if (!$pub_access && !$guest_access && !$cond_access) {
  390: 			$curr_access = &mt('Private');
  391: 		    } else {
  392: 			my @allaccesses; 
  393: 			if ($pub_access) {
  394: 			    push(@allaccesses,&mt('Public'));
  395: 			}
  396: 			if ($guest_access) {
  397: 			    push(@allaccesses,&mt('Passphrase-protected'));
  398: 			}
  399: 			if ($cond_access) {
  400: 			    push(@allaccesses,&mt('Conditional'));
  401: 			}
  402: 			$curr_access = join('+ ',@allaccesses);
  403: 		    }
  404: 		}
  405:                 &display_directory_line($r,$select_mode, $filename, $mtime, $size, $css_class, $line, 
  406:                                         \%access_controls, $curr_access,$now, $version_flag, $href_location, 
  407:                                         $url, $current_path, $access_admin_text);
  408: 		if ($show_versions) {
  409: 		    foreach my $dir_line (@{ $versioned{$fullpath} }) {
  410: 		        my ($v_filename,$dom,$testdir,$size,$mtime,$obs) =
  411: 			    @$dir_line;
  412:                         $line = '<td colspan="2">&nbsp;</td>';
  413: 			&display_directory_line($r,$select_mode, $v_filename, $mtime, $size, 
  414: 						$css_class, $line, \%access_controls, $curr_access, $now,
  415: 						undef, $href_location, $url, $current_path, $access_admin_text, 1);
  416: 		    }
  417: 		}
  418:             }
  419:         }
  420:     }
  421:     if ($select_mode eq 'true') {
  422:         $r->print('</table>
  423:             <input type="hidden" name="continue" value="true" />
  424:             <input type="hidden" name="fieldname" value="'.$env{'form.fieldname'}.'" />
  425:             <input type="hidden" name="mode" value="selectfile" />
  426:             <input type="submit" name="submit" value="Select checked files, and continue selecting." /><br />
  427:             <input type="button" name="doit" onClick= "finishSelect();" value="Select checked files, and close window" />
  428:             <input type="hidden" name="currentpath" value="'.$current_path.'" />
  429:         </form>');        
  430:     } else {
  431:         $r->print('</table>');
  432:         if ($can_delete) {
  433:             $r->print('
  434:         <input type="submit" name="doit" value="Delete Checked Files" />
  435:         <input type="hidden" name="action" value="delete" />
  436:         <input type="hidden" name="currentpath" value="'.$current_path.'" />
  437:         </form>'
  438:             );
  439:         }
  440:     }
  441: }
  442: 
  443: sub open_form {
  444:     my ($r,$url)=@_;
  445:     my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
  446:     $r->print('<form name="portform" method="post" action="'.$url.'">');
  447:     $r->print('<input type="hidden" name="action" value="'.
  448: 	      $env{'form.action'}.'" />');
  449:     $r->print('<input type="hidden" name="confirmed" value="1" />');
  450:     foreach (@files) {
  451:         $r->print('<input type="hidden" name="selectfile" value="'.
  452: 	      $_.'" />');
  453:     }
  454:     $r->print('<input type="hidden" name="currentpath" value="'.
  455: 	      $env{'form.currentpath'}.'" />');
  456: }
  457: 
  458: sub close_form {
  459:     my ($r,$url,$button_text)=@_;
  460:     if (!defined($button_text)) {
  461:         $button_text = {
  462:                          'continue' => &mt('Continue'),
  463:                          'cancel'   => &mt('Cancel'),
  464:                        };
  465:     }
  466:     $r->print('<p><input type="submit" value="'.$button_text->{'continue'}.'" />');
  467:     $r->print(&group_form_data().'</p></form>');
  468:     $r->print('<form action="'.$url.'" method="post">
  469:                <p>
  470:               <input type="hidden" name="currentpath" value="'.
  471: 	      $env{'form.currentpath'}.'" />'.
  472: 	      &group_form_data());
  473:     $r->print("\n".'   <input type="submit" value="'.$button_text->{'cancel'}.'" />
  474:                </p></form>'); 
  475: }
  476: 
  477: sub display_file {
  478:     my ($path,$filename)=@_;
  479:     my $display_file_text;
  480:     my $file_start='<span class="LC_filename">';
  481:     my $file_end='</span>';
  482:     if (!defined($path)) { $path=$env{'form.currentpath'}; }
  483:     if (!defined($filename)) { 
  484:         $filename=$env{'form.selectfile'};
  485:         $display_file_text = $file_start.$path.$filename.$file_end;
  486:     } elsif (ref($filename) eq "ARRAY") {
  487:         foreach my $file (@$filename) {
  488:             $display_file_text .= $file_start.$path.$file.$file_end.'<br />';
  489:         }
  490:     } elsif (ref($filename) eq "SCALAR") {
  491:         $display_file_text = $file_start.$path.$$filename.$file_end;
  492:     } else {
  493: 	$display_file_text = $file_start.$path.$filename.$file_end;
  494:     }
  495:     return $display_file_text;
  496: }
  497: 
  498: sub done {
  499:     my ($message,$url)=@_;
  500:     unless (defined $message) {
  501:         $message='Done';
  502:     }
  503:     my %anchor_fields = (
  504:         'showversions' => $env{'form.showversions'},
  505:         'currentpath' => $env{'form.currentpath'},
  506:         'fieldname' => $env{'form.fieldname'},
  507:         'mode'      => $env{'form.mode'}
  508:     );
  509:     my $result = '<h3>'.&make_anchor($url,\%anchor_fields,&mt($message)).'</h3>';
  510:     return $result;
  511: }
  512: 
  513: sub delete {
  514:     my ($r,$url)=@_;
  515:     my @check;
  516:     my $file_name = $env{'form.currentpath'}.$env{'form.selectfile'};
  517:     $file_name = &prepend_group($file_name);
  518:     my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
  519:     my ($uname,$udom) = &get_name_dom();
  520:     if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
  521:         $r->print ("The file is locked and cannot be deleted.<br />");
  522:         $r->print(&done('Back',$url));
  523:     } else {
  524:         if (scalar(@files)) {
  525:             &open_form($r,$url);
  526:             $r->print('<p>'.&mt('Delete').' '.&display_file(undef,\@files).'?</p>');
  527:             &close_form($r,$url);
  528:         } else {
  529:             $r->print("No file was checked to delete.<br />");
  530:             $r->print(&done(undef,$url));
  531:         }
  532:     }
  533: } 
  534: 
  535: sub delete_confirmed {
  536:     my ($r,$url)=@_;
  537:     my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
  538:     my $result;
  539:     my ($uname,$udom) = &get_name_dom();
  540:     my $port_path = &get_port_path();
  541:     foreach my $delete_file (@files) {
  542:         $result=&Apache::lonnet::removeuserfile($uname,$udom,$port_path.
  543: 					       $env{'form.currentpath'}.
  544: 					       $delete_file);
  545:         if ($result ne 'ok') {
  546: 	$r->print('<span class="LC_error"> An error occured ('.$result.
  547: 		  ') while trying to delete '.&display_file(undef, $delete_file).'</span><br />');
  548:         }
  549:     }
  550:     $r->print(&done(undef,$url));
  551: }
  552: 
  553: sub delete_dir {
  554:     my ($r,$url)=@_;
  555:     &open_form($r,$url);
  556:     $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
  557:     &close_form($r,$url);
  558: } 
  559: 
  560: sub delete_dir_confirmed {
  561:     my ($r,$url)=@_;
  562:     my $directory_name = $env{'form.currentpath'};
  563:     $directory_name =~ s|/$||; # remove any trailing slash
  564:     my ($uname,$udom) = &get_name_dom();
  565:     my $namespace = &get_namespace();
  566:     my $port_path = &get_port_path();
  567:     my $result=&Apache::lonnet::removeuserfile($uname,$udom,$port_path.
  568: 					       $directory_name);
  569: 					       
  570:     if ($result ne 'ok') {
  571: 	$r->print('<span class="LC_error"> An error occured (dir) ('.$result.
  572: 		  ') while trying to delete '.$directory_name.'</span><br />');
  573:     } else {
  574:         # now remove from recent
  575: #        $r->print('<br /> removing '.$directory_name.'<br /');
  576:         &Apache::lonhtmlcommon::remove_recent($namespace,[$directory_name.'/']);
  577:         my @dirs = split m!/!, $directory_name;
  578:         
  579: #        $directory_name =~ m/^(\/*\/)(\/*.)$/;
  580:         $directory_name='/';
  581:         for (my $i=1; $i < (@dirs - 1); $i ++){
  582:             $directory_name .= $dirs[$i].'/';
  583:         }
  584:         $env{'form.currentpath'} = $directory_name;
  585:     }
  586:     $r->print(&done(undef,$url));
  587: }
  588: 
  589: sub rename {
  590:     my ($r,$url)=@_;
  591:     my $file_name = $env{'form.currentpath'}.$env{'form.rename'};
  592:     my ($uname,$udom) = &get_name_dom();
  593:     $file_name = &prepend_group($file_name);
  594:     if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
  595:         $r->print ("The file is locked and cannot be renamed.<br />");
  596:         $r->print(&done(undef,$url));
  597:     } else {
  598:         &open_form($r,$url);
  599:         $r->print('<p>'.&mt('Rename').' '.&display_file().' to 
  600:                    <input name="filenewname" type="input" size="50" />?</p>');
  601:         &close_form($r,$url);
  602:     }
  603: }
  604: 
  605: sub rename_confirmed {
  606:     my ($r,$url)=@_;
  607:     my $filenewname=&Apache::lonnet::clean_filename($env{'form.filenewname'});
  608:     my ($uname,$udom) = &get_name_dom();
  609:     my $port_path = &get_port_path();
  610:     if ($filenewname eq '') {
  611: 	$r->print('<span class="LC_error">'.
  612: 		  &mt("Error: no valid filename was provided to rename to.").
  613: 		  '</span><br />');
  614: 	$r->print(&done(undef,$url));
  615: 	return;
  616:     } 
  617:     my $result=
  618: 	&Apache::lonnet::renameuserfile($uname,$udom,
  619:             $port_path.$env{'form.currentpath'}.$env{'form.selectfile'},
  620:             $port_path.$env{'form.currentpath'}.$filenewname);
  621:     if ($result ne 'ok') {
  622: 	$r->print('<span class="LC_error">'.
  623: 		  &mt('An errror occured ([_1]) while trying to rename [_2]'
  624: 		      .' to [_3]',$result,&display_file(),
  625: 		      &display_file('',$filenewname)).'</span><br />');
  626:     }
  627:     if ($filenewname ne $env{'form.filenewname'}) {
  628:         $r->print(&mt("The new file name was changed from:<br />[_1] to [_2]",
  629: 		      '<strong>'.&display_file('',$env{'form.filenewname'}).'</strong>',
  630: 		      '<strong>'.&display_file('',$filenewname).'</strong>'));
  631:     }
  632:     $r->print(&done(undef,$url));
  633: }
  634: 
  635: sub display_access {
  636:     my ($r,$url,$group,$can_setacl,$port_path) = @_;
  637:     my ($uname,$udom) = &get_name_dom();
  638:     my $file_name = $env{'form.currentpath'}.$env{'form.access'};
  639:     $file_name = &prepend_group($file_name);
  640:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
  641:                                                                         $uname);
  642:     my %access_controls = &Apache::lonnet::get_access_controls($current_permissions,$group,$file_name);
  643:     my $aclcount = keys(%access_controls);
  644:     my $header = '<h3>'.&mt('Allowing others to retrieve file: [_1]',$port_path.$env{'form.currentpath'}.$env{'form.access'}).'</h3>';
  645:     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.');
  646:     $info .= '<br /><ul><li>'.&mt('Public files are available to anyone without the need for login.');
  647:     $info .= '</li><li>'.&mt('Passphrase-protected files do not require log-in, but will require the viewer to enter the passphrase you set.');
  648:     $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 />';
  649:     $info .= &mt('The conditions can include affiliation with a particular course or group, or a user account in a specific domain.').'<br />';
  650:     $info .= &mt('Alternatively access can be granted to people with specific LON-CAPA usernames and domains.').'</li></ul>';
  651:     if ($group eq '') {
  652:         $info .= (&mt("A listing of files viewable without log-in is available at: <a href='/adm/$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/$uname/aboutme</a><br />"));
  653:     }
  654:     
  655:     if ($can_setacl) {
  656:         &open_form($r,$url);
  657:         $r->print($header.$info);
  658:         &access_setting_table($r,$access_controls{$file_name});
  659:         my $button_text = {
  660:                         'continue' => &mt('Proceed'),
  661:                         'cancel' => &mt('Back to directory listing'),
  662:                       };
  663:         &close_form($r,$url,$button_text);
  664:     } else {
  665:         $r->print($header);
  666:         if ($aclcount) {  
  667:             $r->print($info);
  668:         }
  669:         &view_access_settings($r,$url,$access_controls{$file_name},$aclcount);
  670:     }
  671: }
  672: 
  673: sub view_access_settings {
  674:     my ($r,$url,$access_controls,$aclcount) = @_;
  675:     my ($showstart,$showend);
  676:     my %todisplay;
  677:     foreach my $key (sort(keys(%{$access_controls}))) {
  678:         my ($num,$scope,$end,$start) = &unpack_acc_key($key);
  679:         $todisplay{$scope}{$key} = $$access_controls{$key};
  680:     }
  681:     if ($aclcount) {
  682:         $r->print(&mt('<h4>Current access controls defined for this file:</h4>'));
  683:         $r->print(&Apache::loncommon::start_data_table());
  684:         $r->print(&Apache::loncommon::start_data_table_header_row());
  685:         $r->print('<th>'.&mt('Access control').'</th><th>'.&mt('Dates available').
  686:                   '</th><th>'.&mt('Additional information').'</th>');
  687:         $r->print(&Apache::loncommon::end_data_table_header_row());
  688:         my $count = 1;
  689:         my $chg = 'none';
  690:         &build_access_summary($r,$count,$chg,%todisplay);
  691:         $r->print(&Apache::loncommon::end_data_table());
  692:     } else {
  693:         $r->print(&mt('No access control settings currently exist for this file.<br />' ));
  694:     }
  695:     my %anchor_fields = (
  696:         'currentpath' => $env{'form.currentpath'}
  697:     );
  698:     $r->print('<br />'.&make_anchor($url, \%anchor_fields, &mt('Return to directory listing')));
  699:     return;
  700: }
  701: 
  702: sub build_access_summary {
  703:     my ($r,$count,$chg,%todisplay) = @_; 
  704:     my ($showstart,$showend);
  705:     my %scope_desc = (
  706:                       public => 'Public',
  707:                       guest => 'Passphrase-protected',
  708:                       domains => 'Conditional: domain-based',
  709:                       users => 'Conditional: user-based',
  710:                       course => 'Conditional: course-based',
  711:                       group => 'Conditional: group-based',
  712:                      );
  713:     my @allscopes = ('public','guest','domains','users','course','group');
  714:     foreach my $scope (@allscopes) {
  715:         if ((!(exists($todisplay{$scope}))) || (ref($todisplay{$scope}) ne 'HASH')) {
  716:             next;
  717:         }
  718:         foreach my $key (sort(keys(%{$todisplay{$scope}}))) {
  719:             if ($count) {
  720:                 $r->print(&Apache::loncommon::start_data_table_row());
  721:             }
  722:             my ($num,$scope,$end,$start) = &unpack_acc_key($key);
  723:             my $content = $todisplay{$scope}{$key};
  724:             if ($chg eq 'delete') {
  725:                 $showstart = &mt('Deleted');
  726:                 $showend = $showstart;
  727:             } else {
  728:                 $showstart = localtime($start);
  729:                 if ($end == 0) {
  730:                     $showend = &mt('No end date');
  731:                 } else {
  732:                     $showend = localtime($end);
  733:                 }
  734:             }
  735:             $r->print('<td>'.&mt($scope_desc{$scope}));
  736:             if (($scope eq 'course') || ($scope eq 'group')) {
  737:                 if ($chg ne 'delete') {
  738:                     my $cid = $content->{'domain'}.'_'.$content->{'number'};
  739:                     my %course_description = &Apache::lonnet::coursedescription($cid);
  740:                     $r->print('<br />('.$course_description{'description'}.')');
  741:                 }
  742:             }
  743:             $r->print('</td><td>'.&mt('Start: ').$showstart.
  744:                   '<br />'.&mt('End: ').$showend.'</td><td>');
  745:             if ($chg ne 'delete') {
  746:                 if ($scope eq 'guest') {
  747:                     $r->print(&mt('Passphrase').': '.$content->{'password'});
  748:                 } elsif ($scope eq 'course' || $scope eq 'group') {
  749:                     $r->print('<table><tr>');
  750:                     $r->print('<th>'.&mt('Roles').'</th><th>'.
  751:                           &mt('Access').'</th><th>'.
  752:                                           &mt('Sections').'</th>');
  753:                     if ($scope eq 'course') {
  754:                         $r->print('<th>'.&mt('Groups').'</th>');
  755:                     } else {
  756:                         $r->print('<th>'.&mt('Teams').'</th>');
  757:                     }
  758:                     $r->print('</tr>');
  759:                     foreach my $id (sort(keys(%{$content->{'roles'}}))) {
  760:                         $r->print('<tr>');
  761:                         foreach my $item ('role','access','section','group') {
  762:                             $r->print('<td>');
  763:                             if ($item eq 'role') {
  764:                                 my $ucscope = $scope;
  765:                                 $ucscope =~ s/^(\w)/uc($1)/e;
  766:                                 my $role_output;
  767:                                 foreach my $role (@{$content->{'roles'}{$id}{$item}}) {
  768:                                     if ($role eq 'all') {
  769:                                         $role_output .= $role.',';
  770:                                     } elsif ($role =~ /^cr/) {
  771:                                         $role_output .= (split('/',$role))[3].',';
  772:                                     } else {
  773:                                         $role_output .= &Apache::lonnet::plaintext($role,$ucscope).',';
  774:                                     }
  775:                                 }
  776:                                 $role_output =~ s/,$//;
  777:                                 $r->print($role_output);
  778:                             } else {
  779:                                 $r->print(join(',',@{$content->{'roles'}{$id}{$item}}));
  780:                             }
  781:                             $r->print('</tr>');
  782:                         }
  783: 			$r->print("</table>");
  784:                     }
  785: 		    $r->print("</tr></table>");
  786:                 } elsif ($scope eq 'domains') {
  787:                     $r->print(&mt('Domains: ').join(',',@{$content->{'dom'}}));
  788:                 } elsif ($scope eq 'users') {
  789:                     my $curr_user_list = &sort_users($content->{'users'});
  790:                     $r->print(&mt('Users: ').$curr_user_list);
  791:                 } else {
  792:                     $r->print('&nbsp;');
  793:                 }
  794:             } else {
  795:                 $r->print('&nbsp;');
  796:             }
  797:             $r->print('</td>');
  798:             $r->print(&Apache::loncommon::end_data_table_row());
  799:             $count ++;
  800:         }
  801:     }
  802: }
  803: 
  804: 
  805: sub update_access {
  806:     my ($r,$url,$group,$port_path) = @_;
  807:     my $totalprocessed = 0;
  808:     my %processing;
  809:     my %title  = (
  810:                          'activate' => 'New control(s) added',
  811:                          'delete'   => 'Existing control(s) deleted',
  812:                          'update'   => 'Existing control(s) modified',
  813:                      );
  814:     my $changes;
  815:     foreach my $chg (sort(keys(%title))) {     
  816:         @{$processing{$chg}} = &Apache::loncommon::get_env_multiple('form.'.$chg);
  817:         $totalprocessed += @{$processing{$chg}};
  818:         foreach my $num (@{$processing{$chg}}) {
  819:             my $scope = $env{'form.scope_'.$num};
  820:             my ($start,$end) = &get_dates_from_form($num);
  821:             my $newkey = $num.':'.$scope.'_'.$end.'_'.$start;
  822:             if ($chg eq 'delete') {
  823:                 $$changes{$chg}{$newkey} = 1;
  824:             } else {
  825:                 $$changes{$chg}{$newkey} = 
  826:                             &build_access_record($num,$scope,$start,$end,$chg);
  827:             }
  828:         }
  829:     }
  830:     my $file_name = $env{'form.currentpath'}.$env{'form.selectfile'};
  831:     $r->print('<h3>'.&mt('Allowing others to retrieve file: [_1]',
  832:               $port_path.$file_name).'</h3>'."\n");
  833:     $file_name = &prepend_group($file_name);
  834:     my ($uname,$udom) = &get_name_dom();
  835:     my ($errors,$outcome,$deloutcome,$new_values,$translation);
  836:     if ($totalprocessed) {
  837:         ($outcome,$deloutcome,$new_values,$translation) =
  838:         &Apache::lonnet::modify_access_controls($file_name,$changes,$udom,
  839:                                                 $uname);
  840:     }
  841:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
  842:                                                                        $uname);
  843:     my %access_controls = 
  844: 	&Apache::lonnet::get_access_controls($current_permissions,
  845: 					     $group,$file_name);
  846:     if ($totalprocessed) {
  847:         if ($outcome eq 'ok') {
  848:             my $updated_controls = $access_controls{$file_name};
  849:             my ($showstart,$showend);
  850:             $r->print(&Apache::loncommon::start_data_table());
  851:             $r->print(&Apache::loncommon::start_data_table_header_row());
  852:             $r->print('<th>'.&mt('Type of change').'</th><th>'.
  853:                       &mt('Access control').'</th><th>'.&mt('Dates available').
  854:                       '</th><th>'.&mt('Additional information').'</th>');
  855:             $r->print(&Apache::loncommon::end_data_table_header_row());
  856:             foreach my $chg (sort(keys(%processing))) {
  857:                 if (@{$processing{$chg}} > 0) {
  858:                     if ($chg eq 'delete') {
  859:                         if (!($deloutcome eq 'ok')) {
  860:                             $errors .='<span class="LC_error">'.
  861: 				&mt('A problem occurred deleting access controls: [_1]',$deloutcome).
  862: 				'</span>';
  863:                             next;
  864:                         }
  865:                     }
  866:                     my $numchgs = @{$processing{$chg}};
  867:                     $r->print(&Apache::loncommon::start_data_table_row());
  868:                     $r->print('<td rowspan="'.$numchgs.'">'.&mt($title{$chg}).
  869:                               '.</td>');
  870:                     my $count = 0;
  871:                     my %todisplay;
  872:                     foreach my $key (sort(keys(%{$$changes{$chg}}))) {
  873:                         my ($num,$scope,$end,$start) = &unpack_acc_key($key);
  874:                         my $newkey = $key;
  875:                         if ($chg eq 'activate') {
  876:                             $newkey =~ s/^(\d+)/$$translation{$1}/;
  877:                         }
  878:                         $todisplay{$scope}{$newkey} = $$updated_controls{$newkey};
  879:                     }
  880:                     &build_access_summary($r,$count,$chg,%todisplay);  
  881:                 }
  882:             }
  883:             $r->print(&Apache::loncommon::end_data_table());
  884:         } else {
  885:             if ((@{$processing{'activate'}} > 0) || (@{$processing{'update'}} > 0)) {
  886:                 $errors .= '<span class="LC_error">'.
  887: 		    &mt('A problem occurred storing access control settings: [_1]',$outcome).
  888: 		    '</span>';
  889:             }
  890:         }
  891:         if ($errors) { 
  892:             $r->print($errors);
  893:         }
  894:     }
  895:     my $allnew = 0;
  896:     my $totalnew = 0;
  897:     my $status = 'new';
  898:     my ($firstitem,$lastitem);
  899:     foreach my $newitem ('course','group','domains','users') {
  900:         $allnew += $env{'form.new'.$newitem};
  901:     }
  902:     if ($allnew > 0) {
  903:         my $now = time;
  904:         my $then = $now + (60*60*24*180); # six months approx.
  905:         &open_form($r,$url);
  906:         foreach my $newitem ('course','group','domains','users') {
  907:             if ($env{'form.new'.$newitem} > 0) {
  908:                 $r->print('<br />'.&mt('Add new <b>[_1]-based</b> access control for portfolio file: <b>[_2]</b>',$newitem,$env{'form.currentpath'}.$env{'form.selectfile'}).'<br /><br />');
  909:                 $firstitem = $totalnew;
  910:                 $lastitem = $totalnew + $env{'form.new'.$newitem};
  911:                 $totalnew = $lastitem;
  912:                 my @numbers;   
  913:                 for (my $i=$firstitem; $i<$lastitem; $i++) {
  914:                     push (@numbers,$i);
  915:                 }
  916:                 &display_access_row($r,$status,$newitem,\@numbers,
  917:                                     $access_controls{$file_name},$now,$then);
  918:             }
  919:         }
  920:         &close_form($r,$url);
  921:     } else {
  922:         my %anchor_fields = (
  923:             'currentpath' => $env{'form.currentpath'},
  924:             'access' => $env{'form.selectfile'}
  925:         );
  926:         $r->print('<br />'.&make_anchor($url, \%anchor_fields, &mt('Display all access settings for this file')));
  927:         delete $anchor_fields{'access'};
  928:         $r->print('&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&make_anchor($url,\%anchor_fields,&mt('Return to directory listing')));
  929:     }
  930:     return;
  931: }
  932: 
  933: sub build_access_record {
  934:     my ($num,$scope,$start,$end,$chg) = @_;
  935:     my $record = {
  936: 	type => $scope,
  937: 	time => {
  938: 	    start => $start,
  939: 	    end   => $end
  940: 	    },
  941: 	    };
  942: 		
  943:     if ($scope eq 'guest') {	
  944:         $record->{'password'} = $env{'form.password'};
  945:     } elsif (($scope eq 'course') || ($scope eq 'group')) {
  946:         $record->{'domain'} = $env{'form.crsdom_'.$num};
  947: 	$record->{'number'} = $env{'form.crsnum_'.$num};
  948:         my @role_ids;
  949:         my @delete_role_ids =
  950:             &Apache::loncommon::get_env_multiple('form.delete_role_'.$num);
  951: 	my @preserves =
  952: 	    &Apache::loncommon::get_env_multiple('form.preserve_role_'.$num);
  953: 	if (@delete_role_ids) {
  954: 	    foreach my $id (@preserves) {
  955: 		if (grep {$_ = $id} (@delete_role_ids)) {
  956: 		    next;
  957: 		}
  958: 		push(@role_ids,$id); 
  959: 	    }
  960: 	} else {
  961: 	    push(@role_ids,@preserves);
  962: 	}
  963: 
  964: 	my $next_id = $env{'form.add_role_'.$num};
  965: 	if ($next_id) {
  966: 	    push(@role_ids,$next_id);
  967: 	}
  968: 
  969:         foreach my $id (@role_ids) {
  970:             my (@roles,@accesses,@sections,@groups);
  971:             if (($id == $next_id) && ($chg eq 'update')) {
  972:                 @roles    = split(/,/,$env{'form.role_'.$num.'_'.$next_id});
  973:                 @accesses = split(/,/,$env{'form.access_'.$num.'_'.$next_id});
  974:                 @sections = split(/,/,$env{'form.section_'.$num.'_'.$next_id});
  975:                 @groups   = split(/,/,$env{'form.group_'.$num.'_'.$next_id});
  976:             } else {
  977:                 @roles = &Apache::loncommon::get_env_multiple('form.role_'.$num.'_'.$id);
  978:                 @accesses = &Apache::loncommon::get_env_multiple('form.access_'.$num.'_'.$id);
  979:                 @sections = &Apache::loncommon::get_env_multiple('form.section_'.$num.'_'.$id);
  980:                 @groups = &Apache::loncommon::get_env_multiple('form.group_'.$num.'_'.$id);
  981:             }
  982: 	    $record->{'roles'}{$id}{'role'}    = \@roles;
  983: 	    $record->{'roles'}{$id}{'access'}  = \@accesses;
  984: 	    $record->{'roles'}{$id}{'section'} = \@sections;
  985: 	    $record->{'roles'}{$id}{'group'}   = \@groups;
  986:         }
  987:     } elsif ($scope eq 'domains') {
  988:         my @doms = &Apache::loncommon::get_env_multiple('form.dom_'.$num);
  989: 	$record->{'dom'} = \@doms;
  990:     } elsif ($scope eq 'users') {
  991:         my $userlist = $env{'form.users_'.$num};
  992:         $userlist =~ s/\s+//sg;
  993: 	my %userhash = map { ($_,1) } (split(/,/,$userlist));
  994:         foreach my $user (keys(%userhash)) {
  995:             my ($uname,$udom) = split(/:/,$user);
  996: 	    push(@{$record->{'users'}}, {
  997: 		'uname' => $uname,
  998: 		'udom'  => $udom
  999: 		});
 1000: 	}
 1001:     }
 1002:     return $record;
 1003: }
 1004: 
 1005: sub get_dates_from_form {
 1006:     my ($id) = @_;
 1007:     my $startdate;
 1008:     my $enddate;
 1009:     $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate_'.$id);
 1010:     $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate_'.$id);
 1011:     if ( exists ($env{'form.noend_'.$id}) ) {
 1012:         $enddate = 0;
 1013:     }
 1014:     return ($startdate,$enddate);
 1015: }
 1016: 
 1017: sub sort_users {
 1018:     my ($users) = @_; 
 1019:     my @curr_users = map {
 1020: 	$_->{'uname'}.':'.$_->{'udom'}
 1021:     } (@{$users});
 1022:     my $curr_user_list = join(",\n",sort(@curr_users));
 1023:     return $curr_user_list;
 1024: }
 1025: 
 1026: sub access_setting_table {
 1027:     my ($r,$access_controls) = @_;
 1028:     my ($public,$publictext);
 1029:     $publictext = &mt('Off');
 1030:     my ($guest,$guesttext);
 1031:     $guesttext = &mt('Off');
 1032:     my @courses = ();
 1033:     my @groups = ();
 1034:     my @domains = ();
 1035:     my @users = ();
 1036:     my $now = time;
 1037:     my $then = $now + (60*60*24*180); # six months approx.
 1038:     my ($num,$scope,$publicnum,$guestnum);
 1039:     my (%acl_count,%end,%start);
 1040:     foreach my $key (sort(keys(%{$access_controls}))) {
 1041:         ($num,$scope,$end{$key},$start{$key}) = &unpack_acc_key($key);
 1042:         if ($scope eq 'public') {
 1043:             $public = $key;
 1044:             $publicnum = $num;
 1045:             $publictext = &acl_status($start{$key},$end{$key},$now);
 1046:         } elsif ($scope eq 'guest') {
 1047:             $guest=$key;
 1048:             $guestnum = $num;  
 1049:             $guesttext = &acl_status($start{$key},$end{$key},$now);
 1050:         } elsif ($scope eq 'course') {
 1051:             push(@courses,$key);
 1052:         } elsif ($scope eq 'group') {
 1053:             push(@groups,$key);
 1054:         } elsif ($scope eq 'domains') {
 1055:             push(@domains,$key);
 1056:         } elsif ($scope eq 'users') {
 1057:             push(@users,$key);
 1058:         }
 1059:         $acl_count{$scope} ++;
 1060:     }
 1061:     $r->print('<table border="0"><tr><td valign="top">');
 1062:     $r->print('<h3>'.&mt('Public access:').' '.$publictext.'</h3>');
 1063:     $r->print(&Apache::loncommon::start_data_table());
 1064:     $r->print(&Apache::loncommon::start_data_table_header_row());
 1065:     $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Dates available').'</th>');
 1066:     $r->print(&Apache::loncommon::end_data_table_header_row());
 1067:     $r->print(&Apache::loncommon::start_data_table_row());
 1068:     if ($public) {
 1069:         $r->print('<td>'.&actionbox('old',$publicnum,'public').'</td><td>'.
 1070:                   &dateboxes($publicnum,$start{$public},$end{$public}).'</td>');
 1071:     } else {
 1072:         $r->print('<td>'.&actionbox('new','0','public').'</td><td>'.
 1073:                   &dateboxes('0',$now,$then).'</td>');
 1074:     }
 1075:     $r->print(&Apache::loncommon::end_data_table_row());
 1076:     $r->print(&Apache::loncommon::end_data_table());
 1077:     $r->print('</td><td width="40">&nbsp;</td><td valign="top">');
 1078:     $r->print('<h3>'.&mt('Passphrase-protected access:').' '.$guesttext.'</h3>');
 1079:     $r->print(&Apache::loncommon::start_data_table());
 1080:     $r->print(&Apache::loncommon::start_data_table_header_row());
 1081:     $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Dates available').
 1082:               '</th><th>'. &mt('Passphrase').'</th>');
 1083:     $r->print(&Apache::loncommon::end_data_table_header_row());
 1084:     $r->print(&Apache::loncommon::start_data_table_row());
 1085:     my $passwd;
 1086:     if ($guest) {
 1087:         $passwd = $$access_controls{$guest}{'password'};
 1088:         $r->print('<td>'.&actionbox('old',$guestnum,'guest').'</td><td>'.
 1089:                   &dateboxes($guestnum,$start{$guest},$end{$guest}).'</td>');
 1090:     } else {
 1091:         $r->print('<td>'.&actionbox('new','1','guest').'</td><td>'.
 1092:                   &dateboxes('1',$now,$then).'</td>');
 1093:     }
 1094:     $r->print('<td><input type="text" size="15" name="password" value="'.
 1095:               $passwd.'" /></td>');
 1096:     $r->print(&Apache::loncommon::end_data_table_row());
 1097:     $r->print(&Apache::loncommon::end_data_table());
 1098:     $r->print('</td></tr><tr><td colspan="3">&nbsp;</td></tr><tr><td valign="top">');
 1099:     &access_element($r,'domains',\%acl_count,\@domains,$access_controls,$now,$then);
 1100:     $r->print('</td><td>&nbsp;</td><td valign="top">');
 1101:     &access_element($r,'users',\%acl_count,\@users,$access_controls,$now,$then);
 1102:     $r->print('</td></tr><tr><td colspan="3"></td></tr><tr>');
 1103:     if (@courses > 0 || @groups > 0) {
 1104:         $r->print('<td colspan="3" valign="top">');
 1105:     } else {
 1106:         $r->print('<td valign="top">');
 1107:     }
 1108:     &access_element($r,'course',\%acl_count,\@courses,$access_controls,$now,$then);
 1109:     $r->print('</td>');
 1110:     if (@courses > 0 || @groups > 0) {
 1111:         $r->print('</tr><tr><td colspan="3">&nbsp;</td></tr><tr><td colspan="3" valign="top">');
 1112:     } else {
 1113:         $r->print('<td>&nbsp;</td><td valign="top">');
 1114:     }
 1115:     &access_element($r,'group',\%acl_count,\@groups,$access_controls,$now,$then);
 1116:     $r->print('</td></tr></table>');
 1117: }
 1118: 
 1119: sub acl_status {
 1120:     my ($start,$end,$now) = @_;
 1121:     if ($start > $now) {
 1122:         return &mt('Inactive');
 1123:     }
 1124:     if ($end && $end<$now) {
 1125:         return &mt('Inactive');
 1126:     }
 1127:     return &mt('Active');
 1128: }
 1129: 
 1130: sub access_element {
 1131:     my ($r,$type,$acl_count,$items,$access_controls,$now,$then) = @_;
 1132:     my $title = $type;
 1133:     $title =~ s/s$//;
 1134:     $title =~ s/^(\w)/uc($1)/e;
 1135:     $r->print('<h3>'.&mt('[_1]-based conditional access: ',$title));
 1136:     if ($$acl_count{$type}) {
 1137:         $r->print($$acl_count{$type}.' ');
 1138:         if ($$acl_count{$type} > 1) {
 1139:             $r->print(&mt('conditions'));
 1140:         } else {
 1141:             $r->print(&mt('condition'));
 1142:         }
 1143:     } else {
 1144:         $r->print(&mt('Off'));
 1145:     }
 1146:     $r->print('</h3>');
 1147:     &display_access_row($r,'old',$type,$items,$access_controls,$now,$then);
 1148:     return;
 1149: }
 1150: 
 1151: sub display_access_row {
 1152:     my ($r,$status,$type,$items,$access_controls,$now,$then) = @_;
 1153:     if (@{$items} > 0) {
 1154:         my @all_doms;
 1155:         my $colspan = 3;
 1156:         my $uctype = $type;
 1157:         $uctype =~ s/^(\w)/uc($1)/e;
 1158:         $r->print(&Apache::loncommon::start_data_table());
 1159:         $r->print(&Apache::loncommon::start_data_table_header_row());
 1160:         $r->print('<th>'.&mt('Action?').'</th><th>'.&mt($uctype).'</th><th>'.
 1161:               &mt('Dates available').'</th>');
 1162:         if (($type eq 'course') || ($type eq 'group')) {
 1163:             $r->print('<th>'.&mt('Allowed [_1] member affiliations',$type).
 1164:                       '</th>');
 1165:             $colspan ++;
 1166:         } elsif ($type eq 'domains') {
 1167:             @all_doms = &Apache::loncommon::get_domains();
 1168:         }
 1169:         $r->print(&Apache::loncommon::end_data_table_header_row());
 1170:         foreach my $key (@{$items}) {
 1171: 	    $r->print(&Apache::loncommon::start_data_table_row());
 1172:             if (($type eq 'course') || ($type eq 'group')) {
 1173:                 &course_row($r,$status,$type,$key,$access_controls,$now,$then);
 1174:             } elsif ($type eq 'domains') {
 1175:                 &domains_row($r,$status,$key,\@all_doms,$access_controls,$now,
 1176:                             $then);
 1177:             } elsif ($type eq 'users') {
 1178:                 &users_row($r,$status,$key,$access_controls,$now,$then);
 1179:             }
 1180: 	    $r->print(&Apache::loncommon::end_data_table_row());
 1181:         }
 1182:         if ($status eq 'old') {
 1183: 	    $r->print(&Apache::loncommon::start_data_table_row());
 1184:             $r->print('<td colspan="',$colspan.'">'.&additional_item($type).
 1185:                       '</td>');
 1186: 	    $r->print(&Apache::loncommon::end_data_table_row());
 1187:         }
 1188:         $r->print(&Apache::loncommon::end_data_table());
 1189:     } else {
 1190:         $r->print(&mt('No [_1]-based conditions defined.<br />',$type).
 1191:                   &additional_item($type));
 1192:     }
 1193:     return;
 1194: }
 1195: 
 1196: sub course_js {
 1197:     return qq|
 1198: <script type="text/javascript">
 1199: function setRoleOptions(caller,num,cdom,cnum,type) {
 1200:     addIndexnum = getCallerIndex(caller);
 1201:     updateIndexnum = getIndex('update',num);
 1202:     if (caller.checked) {
 1203:         document.portform.elements[updateIndexnum].checked = true;
 1204:         var url = '/adm/portfolio?action=rolepicker&setroles='+addIndexnum+'&cnum='+cnum+'&cdom='+cdom+'&type='+type;
 1205:         var title = 'Roles_Chooser';
 1206:         var options = 'scrollbars=1,resizable=1,menubar=0';
 1207:         options += ',width=700,height=600';
 1208:         rolebrowser = open(url,title,options,'1');
 1209:         rolebrowser.focus();
 1210:     } else {
 1211:         for (var j=0;j<5;j++) {
 1212:             document.portform.elements[addIndexnum+j].value = '';
 1213:         }
 1214:     }
 1215: }
 1216: 
 1217: function getCallerIndex(caller) {
 1218:     for (var i=0;i<document.portform.elements.length;i++) {
 1219:         if (document.portform.elements[i] == caller) {
 1220:             return i;
 1221:         }
 1222:     }
 1223:     return -1;
 1224: }
 1225: 
 1226: function getIndex(name,value) {
 1227:     for (var i=0;i<document.portform.elements.length;i++) {
 1228:         if (document.portform.elements[i].name == name && document.portform.elements[i].value == value) {
 1229:             return i;
 1230:         }
 1231:     }
 1232:     return -1;
 1233: }
 1234: 
 1235: </script>
 1236: |;
 1237: }
 1238: 
 1239: sub course_row {
 1240:     my ($r,$status,$type,$item,$access_controls,$now,$then) = @_;
 1241:     my $content;
 1242:     my $defdom = $env{'user.domain'};
 1243:     if ($status eq 'old') {
 1244:         $content = $$access_controls{$item}; 
 1245:         $defdom =  $content->{'domain'};
 1246:     }
 1247:     my $js = &Apache::loncommon::coursebrowser_javascript($defdom)
 1248: 	.&course_js();
 1249:     my $crsgrptext = 'Groups';
 1250:     if ($type eq 'group') {
 1251:         $crsgrptext = 'Teams';
 1252:     }
 1253:     my $uctype = $type;
 1254:     $uctype =~ s/^(\w)/uc($1)/e;
 1255:     my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
 1256:                                                     $type);
 1257:     $r->print('<td>'.$js.&actionbox($status,$num,$scope).'</td>');
 1258:     if ($status eq 'old') {
 1259:         my $cid = $content->{'domain'}.'_'.$content->{'number'};
 1260:         my %course_description = &Apache::lonnet::coursedescription($cid);
 1261:         $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>');
 1262:     } elsif ($status eq 'new') {
 1263:         $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>');
 1264:     }
 1265:     $r->print('<td>'.&dateboxes($num,$start,$end).'</td>');
 1266:     $r->print('<td><table><tr>');
 1267:     $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Roles').'</th><th>'.
 1268:               &mt('Access').'</th><th>'.&mt('Sections').'</th><th>'.
 1269:               &mt($crsgrptext).'</th></tr>');
 1270:     if ($status eq 'old') {
 1271:         my $max_id = 0;
 1272:         foreach my $role_id (sort(keys(%{$content->{'roles'}}))) {
 1273:             if ($role_id > $max_id) {
 1274:                 $max_id = $role_id;
 1275:             }
 1276:             $max_id ++;
 1277:             my $role_selects = &role_selectors($num,$role_id,$status,$type,$content,'display');
 1278:             $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>');
 1279:         }
 1280:         $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>');
 1281:     } elsif ($status eq 'new') {
 1282:         my $role_id = 1;
 1283:         my $role_selects = &role_selectors($num,$role_id,$status,$type,undef,'display');
 1284:         $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);
 1285:         $r->print('</tr></table></td>');
 1286:     }
 1287:     return;
 1288: }
 1289: 
 1290: sub domains_row {
 1291:     my ($r,$status,$item,$all_doms,$access_controls,$now,$then) = @_;
 1292:     my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
 1293:                                                     'domains');
 1294:     my $dom_select = '<select name="dom_'.$num.'" size="4" multiple="true">'.
 1295:                      ' <option value="">'.&mt('Please select').'</option>';
 1296:     if ($status eq 'old') {
 1297:         my $content =  $$access_controls{$item};
 1298: 	foreach my $dom (@{$all_doms}) {
 1299:             if ((@{$content->{'dom'}} > 0) 
 1300: 		&& (grep(/^\Q$dom\E$/,@{$content->{'dom'}}))) {
 1301:                 $dom_select .= '<option value="'.$dom.'" selected>'.
 1302:                                $dom.'</option>';
 1303:             } else {
 1304:                 $dom_select .= '<option value="'.$dom.'">'.$dom.'</option>';
 1305:             }
 1306:         }
 1307:     } else {
 1308:         foreach my $dom (@{$all_doms}) {
 1309:             $dom_select .= '<option value="'.$dom.'">'.$dom.'</option>';
 1310:         }
 1311:     }
 1312:     $dom_select .= '</select>';
 1313:     $r->print('<td>'.&actionbox($status,$num,$scope).'</td><td>'.$dom_select.
 1314:               '</td><td>'.&dateboxes($num,$start,$end).'</td>');
 1315: }
 1316: 
 1317: sub users_row {
 1318:     my ($r,$status,$item,$access_controls,$now,$then) = @_;
 1319:     my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
 1320:                                                     'users');
 1321:     my $curr_user_list;
 1322:     if ($status eq 'old') {
 1323:         my $content = $$access_controls{$item};
 1324:         $curr_user_list = &sort_users($content->{'users'});
 1325:     }
 1326:     $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>');
 1327: }
 1328: 
 1329: sub additional_item {
 1330:     my ($type) = @_;
 1331:     my $output = &mt('Add new [_1] condition(s)?',$type).'&nbsp;'.&mt('Number to add: ').'<input type="text" name="new'.$type.'" size="3" value="0" />';
 1332:     return $output;
 1333: }
 1334: 
 1335: sub actionbox {
 1336:     my ($status,$num,$scope) = @_;
 1337:     my $output = '<span style="white-space: nowrap"><label>';
 1338:     if ($status eq 'new') {
 1339:         $output .= '<input type="checkbox" name="activate" value="'.$num.'" />'.
 1340:         &mt('Activate');
 1341:     } else {
 1342:         $output .= '<input type="checkbox" name="delete" value="'.$num.
 1343:                    '" />'.&mt('Delete').'</label></span><br /><span style="white-space: nowrap">'.
 1344:                    '<label><input type="checkbox" name="update" value="'.
 1345:                    $num.'" />'.&mt('Update');
 1346:     }
 1347:     $output .= '</label></span><input type="hidden" name="scope_'.$num.                '" value="'.$scope.'" />';
 1348:     return $output;
 1349: }
 1350:                                                                                    
 1351: sub dateboxes {
 1352:     my ($num,$start,$end) = @_;
 1353:     my $noend;
 1354:     if ($end == 0) {
 1355:         $noend = 'checked="checked"';
 1356:     }
 1357:     my $startdate = &Apache::lonhtmlcommon::date_setter('portform',
 1358:                            'startdate_'.$num,$start,undef,undef,undef,1,undef,
 1359:                             undef,undef,1);
 1360:     my $enddate = &Apache::lonhtmlcommon::date_setter('portform',
 1361:                                'enddate_'.$num,$end,undef,undef,undef,1,undef,
 1362:                                 undef,undef,1). '&nbsp;&nbsp;<span style="white-space: nowrap"><label>'.
 1363:                                 '<input type="checkbox" name="noend_'.
 1364:                                 $num.'" '.$noend.' />'.&mt('No end date').
 1365:                                 '</label></span>';
 1366:                                                                                    
 1367:     my $output = &mt('Start: ').$startdate.'<br />'.&mt('End: ').$enddate;
 1368:     return $output;
 1369: }
 1370: 
 1371: sub unpack_acc_key {
 1372:     my ($acc_key) = @_;
 1373:     my ($num,$scope,$end,$start) = ($acc_key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
 1374:     return ($num,$scope,$end,$start);
 1375: }
 1376: 
 1377: sub set_identifiers {
 1378:     my ($status,$item,$now,$then,$scope) = @_;
 1379:     if ($status eq 'old') {
 1380:         return(&unpack_acc_key($item));
 1381:     } else {
 1382:         return($item,$scope,$then,$now);
 1383:     }
 1384: } 
 1385: 
 1386: sub role_selectors {
 1387:     my ($num,$role_id,$status,$type,$content,$caller) = @_;
 1388:     my ($output,$cdom,$cnum,$longid);
 1389:     if ($caller eq 'display') {
 1390:         $longid = '_'.$num.'_'.$role_id;
 1391:         if ($status eq 'new') {
 1392:             foreach my $item ('role','access','section','group') {
 1393:                 $output .= '<td><select name="'.$item.$longid.'">'.
 1394:                            '<option value="">'.&mt('Pick [_1] first',$type).
 1395:                            '</option></select></td>';
 1396:             }
 1397:             return $output;
 1398:         } else {
 1399:             $cdom = $$content{'domain'};
 1400:             $cnum = $$content{'number'};
 1401:         }
 1402:     } elsif ($caller eq 'rolepicker') {
 1403:          $cdom = $env{'form.cdom'};
 1404:          $cnum = $env{'form.cnum'};
 1405:     }
 1406:     my $uctype = $type;
 1407:     $uctype =~ s/^(\w)/uc($1)/e;
 1408:     my ($sections,$groups,$allroles,$rolehash,$accesshash) =
 1409:             &Apache::loncommon::get_secgrprole_info($cdom,$cnum,1,$uctype);
 1410:     if (!@{$sections}) {
 1411:         @{$sections} = ('none');
 1412:     } else {
 1413:         unshift(@{$sections},('all','none'));
 1414:     }
 1415:     if (!@{$groups}) {
 1416:         @{$groups} = ('none');
 1417:     } else {
 1418:         unshift(@{$groups},('all','none'));
 1419:     }
 1420:     my @allacesses = sort(keys(%{$accesshash}));
 1421:     my (%sectionhash,%grouphash);
 1422:     foreach my $sec (@{$sections}) {
 1423:         $sectionhash{$sec} = $sec;
 1424:     }
 1425:     foreach my $grp (@{$groups}) {
 1426:         $grouphash{$grp} = $grp;
 1427:     }
 1428:     my %lookup = (
 1429:                    'role' => $rolehash,
 1430:                    'access' => $accesshash,
 1431:                    'section' => \%sectionhash,
 1432:                    'group' => \%grouphash,
 1433:                  );
 1434:     my @allaccesses = sort(keys(%{$accesshash}));
 1435:     my %allitems = (
 1436:                     'role' => $allroles,
 1437:                     'access' => \@allaccesses,
 1438:                     'section' => $sections,
 1439:                     'group' => $groups, 
 1440:                    );
 1441:     foreach my $item ('role','access','section','group') {
 1442:         $output .= '<td><select name="'.$item.$longid.'" multiple="true" size="4">'."\n";
 1443:         foreach my $entry (@{$allitems{$item}}) {
 1444:             if ($caller eq 'display') {
 1445:                 if ((@{$$content{'roles'}{$role_id}{$item}} > 0) && 
 1446:                     (grep(/^\Q$entry\E$/,@{$$content{'roles'}{$role_id}{$item}}))) {
 1447:                     $output .= '  <option value="'.$entry.'" selected>'.
 1448:                                   $lookup{$item}{$entry}.'</option>';
 1449:                     next;
 1450:                 }
 1451:             }
 1452:             $output .= '  <option value="'.$entry.'">'.
 1453:                        $lookup{$item}{$entry}.'</option>';
 1454:         }
 1455:         $output .= '</select>';
 1456:     }
 1457:     $output .= '</td>';
 1458:     return $output;
 1459: }
 1460: 
 1461: sub role_options_window {
 1462:     my ($r) = @_;
 1463:     my $cdom = $env{'form.cdom'};
 1464:     my $cnum = $env{'form.cnum'};
 1465:     my $type = $env{'form.type'};
 1466:     my $addindex = $env{'form.setroles'};
 1467:     my $grouptitle = 'Groups';
 1468:     if ($type eq 'Group') {
 1469:          $grouptitle = 'Teams';
 1470:     } 
 1471:     my $role_selects = &role_selectors(1,1,'new',$type,undef,'rolepicker');
 1472:     $r->print(<<"END_SCRIPT");
 1473: <script type="text/javascript">
 1474: function setRoles() {
 1475:     var addidx = $addindex+1;
 1476:     for (var i=0; i<4; i++) {
 1477:         var copylist = '';
 1478:         for (var j=0; j<document.rolepicker.elements[i].length; j++) {
 1479:             if (document.rolepicker.elements[i].options[j].selected) {
 1480:                 copylist = copylist + document.rolepicker.elements[i].options[j].value + ',';
 1481:             }
 1482:         }
 1483:         copylist = copylist.substr(0,copylist.length-1);
 1484:         opener.document.portform.elements[addidx+i].value = copylist;
 1485:     }
 1486:     self.close();
 1487: }
 1488: </script>
 1489: END_SCRIPT
 1490:     $r->print(&mt('Select roles, course status, section(s) and group(s) for users who will be able to access the portfolio file.'));
 1491:     $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()" />');
 1492:     return;
 1493: }
 1494: 
 1495: sub select_files {
 1496:     my ($r) = @_;
 1497:     if ($env{'form.continue'} eq 'true') {
 1498:         # here we update the selections for the currentpath
 1499:         # eventually, have to handle removing those not checked, but . . . 
 1500:         my @items=&Apache::loncommon::get_env_multiple('form.checkfile');
 1501:         if (scalar(@items)){
 1502:              &Apache::lonnet::save_selected_files($env{'user.name'}, $env{'form.currentpath'}, @items);
 1503:         }
 1504:     } else {
 1505:             #empty the file for a fresh start
 1506:             &Apache::lonnet::clear_selected_files($env{'user.name'});
 1507:     }
 1508:     my @files = &Apache::lonnet::files_not_in_path($env{'user.name'}, $env{'form.currentpath'});
 1509:     my $java_files = join ",", @files;
 1510:     if ($java_files) {
 1511:         $java_files.=',';
 1512:     }
 1513:     my $javascript =(<<ENDSMP);
 1514:         <script type="text/javascript">
 1515:         function finishSelect() {
 1516: ENDSMP
 1517:     $javascript .= 'fileList = "'.$java_files.'";';
 1518:     $javascript .= (<<ENDSMP);
 1519:             for (i=0;i<document.forms.checkselect.length;i++) { 
 1520:                 if (document.forms.checkselect[i].checked){
 1521:                     fileList = fileList + document.forms.checkselect.currentpath.value + document.forms.checkselect[i].value + "," ;
 1522:                 }
 1523:             }
 1524:             opener.document.forms.lonhomework.$env{'form.fieldname'}.value=fileList;
 1525:             self.close();
 1526:         }
 1527:         </script>
 1528: ENDSMP
 1529:     $r->print($javascript);
 1530:     $r->print("<h1>Select portfolio files</h1>
 1531:                 Check as many as you wish in response to the problem.<br />");
 1532:     my @otherfiles=&Apache::lonnet::files_not_in_path($env{'user.name'}, $env{'form.currentpath'});
 1533:     if (@otherfiles) {
 1534: 	$r->print("<strong>Files selected from other directories:</strong><br />");
 1535: 	foreach my $file (@otherfiles) {
 1536: 	    $r->print($file."<br />");
 1537: 	}
 1538:     }
 1539: }
 1540: 
 1541: sub upload {
 1542:     my ($r,$url,$group)=@_;
 1543:     my $fname=$env{'form.uploaddoc.filename'};
 1544:     my $filesize = (length($env{'form.uploaddoc'})) / 1000; #express in k (1024?)
 1545:     my $disk_quota = 20000; # expressed in k
 1546:     if (defined($group)) {
 1547:         my $grp_quota = &get_group_quota($group); # quota expressed in k 
 1548:         if ($grp_quota ne '') {
 1549:             $disk_quota = $grp_quota;
 1550:         } else {
 1551:             $disk_quota = 0;
 1552:         }
 1553:     }
 1554:     $fname=&Apache::lonnet::clean_filename($fname);
 1555: 
 1556:     my $portfolio_root=&get_portfolio_root();
 1557:     my ($uname,$udom) = &get_name_dom();
 1558:     my $port_path = &get_port_path();
 1559:     # Fixme --- Move the checking for existing file to LOND error return
 1560:     my @dir_list=&get_dir_list($portfolio_root);
 1561:     my $found_file = 0;
 1562:     my $locked_file = 0;
 1563:     foreach my $line (@dir_list) {
 1564:         my ($file_name)=split(/\&/,$line,2);
 1565:         if ($file_name eq $fname){
 1566:             $file_name = $env{'form.currentpath'}.$file_name;
 1567:             $file_name = &prepend_group($file_name);
 1568:             $found_file = 1;
 1569:             if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
 1570:                 $locked_file = 1;
 1571:             } 
 1572:         }
 1573:     }
 1574:     my $current_disk_usage = &Apache::lonnet::diskusage($udom,$uname,$portfolio_root);
 1575:     if (($current_disk_usage + $filesize) > $disk_quota){
 1576:         $r->print('<span class="LC_error">Unable to upload <strong>'.$fname.' (size = '.$filesize.' kilobytes)</strong>. Disk quota will be exceeded.</span>'.
 1577:                   '<br />Disk quota is '.$disk_quota.' kilobytes. Your current disk usage is '.$current_disk_usage.' kilobytes.');
 1578:         $r->print(&done('Back',$url));
 1579:     } 
 1580:     elsif ($found_file){
 1581:         if ($locked_file){
 1582:             $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>'.
 1583:                   '<br />You will be able to rename or delete existing '.$fname.' after a grade has been assigned.');
 1584:             $r->print(&done('Back',$url));      
 1585:         } else {   
 1586:             $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>'.
 1587:                   '<br />To upload, rename or delete existing '.$fname.' in '.$port_path.$env{'form.currentpath'});
 1588:             $r->print(&done('Back',$url));
 1589:         }
 1590:     } else {
 1591:         my $result=&Apache::lonnet::userfileupload('uploaddoc','',
 1592: 	        	 $port_path.$env{'form.currentpath'});
 1593:         if ($result !~ m|^/uploaded/|) {
 1594:             $r->print('<span class="LC_error">'.'An errror occured ('.$result.
 1595: 	              ') while trying to upload '.&display_file().'</span><br />');
 1596: 	    $r->print(&done('Back',$url));
 1597:         } else {
 1598:             $r->print(&done(undef,$url));
 1599:         }
 1600:     }
 1601: }
 1602: 
 1603: sub lock_info {
 1604:     my ($r,$url,$group) = @_;
 1605:     my ($uname,$udom) = &get_name_dom();
 1606:     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
 1607:                                                                        $uname);
 1608:     my $file_name = $env{'form.lockinfo'};
 1609:     $file_name = &prepend_group($file_name);
 1610:     if (defined($file_name) && defined($$current_permissions{$file_name})) {
 1611:         foreach my $array_item (@{$$current_permissions{$file_name}}) {
 1612:             next if (ref($array_item) ne 'ARRAY');
 1613: 
 1614: 	    my $filetext;
 1615: 	    if (defined($group)) {
 1616: 		$filetext = '<strong>'.$env{'form.lockinfo'}.
 1617: 		    '</strong> (group: '.$group.')'; 
 1618: 	    } else {
 1619: 		$filetext = '<strong>'.$file_name.'</strong>';
 1620: 	    } 
 1621: 	    
 1622: 	    my $title ='<strong>'.&Apache::lonnet::gettitle($$array_item[0]).
 1623: 		'</strong><br />';
 1624: 	    if ($$array_item[-1] eq 'graded') {
 1625: 		$r->print(&mt('[_1] was submitted in response to problem: [_2]',
 1626:                               $filetext,$title));
 1627: 	    } elsif ($$array_item[-1] eq 'handback') {
 1628: 		$r->print(&mt('[_1] was handed back in response to problem: [_2]',
 1629:                               $filetext,$title));
 1630: 	    } else {
 1631: 		# submission style lock
 1632: 		$r->print(&mt('[_1] was submitted in response to problem: [_2]',
 1633:                               $filetext,$title));
 1634: 	    }
 1635: 	    my %course_description = 
 1636: 		&Apache::lonnet::coursedescription($$array_item[1]);
 1637: 	    if ( $course_description{'description'} ne '') {
 1638: 		$r->print(&mt('In the course: <strong>[_1]</strong><br />',
 1639: 			      $course_description{'description'}));
 1640: 	    }
 1641:         }
 1642:     }
 1643:     $r->print(&done('Back',$url));
 1644:     return 'ok';
 1645: }
 1646: 
 1647: sub createdir {
 1648:     my ($r,$url)=@_;
 1649:     my $newdir=&Apache::lonnet::clean_filename($env{'form.newdir'});
 1650:     if ($newdir eq '') {
 1651:     	$r->print('<span class="LC_error">'.
 1652: 	    	  &mt("Error: no directory name was provided.").
 1653: 		      '</span><br />');
 1654: 	    $r->print(&done(undef,$url));
 1655: 	    return;
 1656:     }
 1657:     my $portfolio_root = &get_portfolio_root(); 
 1658:     my @dir_list=&get_dir_list($portfolio_root);
 1659:     my $found_file = 0;
 1660:     foreach my $line (@dir_list) {
 1661:         my ($filename)=split(/\&/,$line,2);
 1662:         if ($filename eq $newdir){
 1663:             $found_file = 1;
 1664:         }
 1665:     }
 1666:     if ($found_file){
 1667:     	    $r->print('<span class="LC_error">'.'Unable to create a directory named <strong>'.$newdir.
 1668:     	            ' </strong>a file or directory by that name already exists.</span><br />');
 1669:     } else {
 1670:         my ($uname,$udom) = &get_name_dom();
 1671:         my $port_path = &get_port_path();
 1672:         my $result=&Apache::lonnet::mkdiruserfile($uname,$udom,
 1673: 	         $port_path.$env{'form.currentpath'}.$newdir);
 1674:         if ($result ne 'ok') {
 1675:     	    $r->print('<span class="LC_error">'.'An errror occured ('.$result.
 1676: 	    	      ') while trying to create a new directory '.&display_file().'</span><br />');
 1677:         }
 1678:     }
 1679:     if ($newdir ne $env{'form.newdir'}) {
 1680:         $r->print("The new directory name was changed from:<br /><strong>".$env{'form.newdir'}."</strong> to <strong>$newdir </strong>");  
 1681:     }
 1682:     $r->print(&done(undef,$url));
 1683: }
 1684: 
 1685: sub get_portfolio_root {
 1686:     my ($udom,$uname) = @_;
 1687:     if (!(defined($udom)) || !(defined($uname))) {
 1688:         ($uname,$udom) = &get_name_dom();
 1689:     }
 1690:     my $path;
 1691:     if (defined($env{'form.group'})) {
 1692:         $path = '/userfiles/groups/'.$env{'form.group'}.'/portfolio';
 1693:     } else {
 1694:         $path = '/userfiles/portfolio';
 1695:     }
 1696:     return (&Apache::loncommon::propath($udom,$uname).$path);
 1697: }
 1698: 
 1699: sub get_group_quota {
 1700:     my ($group) = @_;
 1701:     my $group_quota; 
 1702:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 1703:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 1704:     my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);
 1705:     if (%curr_groups) {
 1706:         my %group_info =  &Apache::longroup::get_group_settings(
 1707:                                                     $curr_groups{$group});
 1708:         $group_quota = $group_info{'quota'}; #expressed in Mb
 1709:         if ($group_quota) {
 1710:             $group_quota = 1000 * $group_quota; #expressed in k
 1711:         } 
 1712:     }
 1713:     return $group_quota;
 1714: } 
 1715: 
 1716: sub get_dir_list {
 1717:     my ($portfolio_root) = @_;
 1718:     my ($uname,$udom) = &get_name_dom();
 1719:     return &Apache::lonnet::dirlist($env{'form.currentpath'},
 1720:                                           $udom,$uname,$portfolio_root);
 1721: }
 1722: 
 1723: sub get_name_dom {
 1724:     my ($uname,$udom);
 1725:     if (defined($env{'form.group'})) {
 1726:         $udom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 1727:         $uname = $env{'course.'.$env{'request.course.id'}.'.num'};
 1728:     } else {
 1729:         $udom = $env{'user.domain'};
 1730:         $uname = $env{'user.name'};
 1731:     }
 1732:     return ($uname,$udom);
 1733: }
 1734: 
 1735: sub prepend_group {
 1736:     my ($filename) = @_;
 1737:     if (defined($env{'form.group'})) {
 1738:         $filename = $env{'form.group'}.$filename;
 1739:     }
 1740:     return $filename;
 1741: }
 1742: 
 1743: sub get_namespace {
 1744:     my $namespace = 'portfolio';
 1745:     if (defined($env{'form.group'})) {
 1746:         my ($uname,$udom) = &get_name_dom();
 1747:         $namespace .= '_'.$udom.'_'.$uname.'_'.$env{'form.group'};
 1748:     }
 1749:     return $namespace;
 1750: }
 1751: 
 1752: sub get_port_path {
 1753:     my $port_path;
 1754:     if (defined($env{'form.group'})) {
 1755:        $port_path = "groups/$env{'form.group'}/portfolio";
 1756:     } else {
 1757:        $port_path = 'portfolio';
 1758:     }
 1759:     return $port_path;
 1760: }
 1761: 
 1762: sub missing_priv {
 1763:     my ($r,$url,$priv) = @_;
 1764:     my $longtext = {
 1765:                       upload => 'upload files',
 1766:                       delete => 'delete files',
 1767:                       rename => 'rename files',
 1768:                       setacl => 'set access controls for files',
 1769:                    };
 1770:     my $escpath = &HTML::Entities::encode($env{'form.currentpath'},'&<>"');
 1771:     my $rtnlink = '<a href="'.$url;
 1772:     if ($url =~ /\?/) {
 1773:         $rtnlink .= '&';
 1774:     } else {
 1775:         $rtnlink .= '?';
 1776:     }
 1777:     $rtnlink .= 'currentpath='.$escpath;
 1778:     $r->print(&mt('<h3>Action disallowed</h3>'));
 1779:     $r->print(&mt('You do not have sufficient privileges to [_1] ',
 1780:                   $longtext->{$priv}));
 1781:     if (defined($env{'form.group'})) {
 1782:         $r->print(&mt("in the group's file repository."));
 1783:         $rtnlink .= &group_args()
 1784:     } else {
 1785:         $r->print(&mt('in this portfolio.'));
 1786:     }
 1787:     $rtnlink .= '">'.&mt('Return to directory listing page').'</a>';
 1788:     $r->print('<br />'.$rtnlink);
 1789:     $r->print(&Apache::loncommon::end_page());
 1790:     return;
 1791: }
 1792: 
 1793: sub coursegrp_portfolio_header {
 1794:     my ($cdom,$cnum,$grp_desc)=@_;
 1795:     my $gpterm  = &Apache::loncommon::group_term();
 1796:     my $ucgpterm = $gpterm;
 1797:     $ucgpterm =~ s/^(\w)/uc($1)/e;
 1798:     if ($env{'form.ref'}) {
 1799:         &Apache::lonhtmlcommon::add_breadcrumb
 1800:             ({href=>"/adm/coursegroups",
 1801:               text=>"Groups",
 1802:               title=>"Course Groups"});
 1803:     }
 1804:     &Apache::lonhtmlcommon::add_breadcrumb
 1805:         ({href=>"/adm/$cdom/$cnum/$env{'form.group'}/smppg?ref=$env{'form.ref'}",
 1806:           text=>"$ucgpterm: $grp_desc",
 1807:           title=>"Go to group's home page"},
 1808:          {href=>"/adm/coursegrp_portfolio?".&group_args(),
 1809:           text=>"Group Portfolio",
 1810:           title=>"Display group portfolio"});
 1811:     my $output = &Apache::lonhtmlcommon::breadcrumbs(
 1812:                          &mt('[_1] portfolio files - [_2]',$gpterm,$grp_desc));
 1813:     return $output;
 1814: }
 1815: 
 1816: 
 1817: sub handler {
 1818:     # this handles file management
 1819:     my $r = shift;
 1820:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 1821:          ['selectfile','currentpath','meta','lockinfo','currentfile','action',
 1822: 	  'fieldname','mode','rename','continue','group','access','setnum',
 1823:           'cnum','cdom','type','setroles','showversions','ref']);
 1824:     my ($uname,$udom,$portfolio_root,$url,$caller,$title,$group,$grp_desc);
 1825:     if ($r->uri =~ m|^(/adm/)([^/]+)|) {
 1826:         $url = $1.$2;
 1827:         $caller = $2;
 1828:     }
 1829:     my ($can_modify,$can_delete,$can_upload,$can_setacl);
 1830:     if ($caller eq 'coursegrp_portfolio') {
 1831:     #  Needs to be in a course
 1832:         if (! ($env{'request.course.fn'})) {
 1833:         # Not in a course
 1834:             $env{'user.error.msg'}=
 1835:      "/adm/coursegrp_portfolio:rgf:0:0:Cannot view group portfolio";
 1836:             return HTTP_NOT_ACCEPTABLE;
 1837:         }
 1838:         my $earlyout = 0;
 1839:         my $view_permission = 
 1840:            &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
 1841:         $env{'form.group'} =~ s/\W//g;
 1842: 	$group = $env{'form.group'};
 1843:         if ($group) {
 1844:             ($uname,$udom) = &get_name_dom();
 1845:             my %curr_groups = &Apache::longroup::coursegroups($udom,$uname,
 1846: 							       $group); 
 1847:             if (%curr_groups) {
 1848:                 my %grp_content = &Apache::longroup::get_group_settings(
 1849:                                                          $curr_groups{$group});
 1850:                 $grp_desc = &unescape($grp_content{'description'});
 1851:                 if (($view_permission) || (&Apache::lonnet::allowed('rgf',
 1852:                                       $env{'request.course.id'}.'/'.$group))) {
 1853:                     $portfolio_root = &get_portfolio_root();
 1854:                 } else {
 1855:                     $r->print('You do not have the privileges required to access the shared files space for this group.');
 1856:                     $earlyout = 1;
 1857:                 }
 1858:             } else {
 1859:                 $r->print('Not a valid group for this course');
 1860:                 $earlyout = 1;
 1861:             }
 1862:             $title = &mt('Group files').' for '.$group; 
 1863:         } else {
 1864:             $r->print('Invalid group');
 1865:             $earlyout = 1;
 1866:         }
 1867:         if ($earlyout) { return OK; }
 1868:         if (&Apache::lonnet::allowed('mdg',$env{'request.course.id'})) {
 1869:             $can_modify = 1;
 1870:             $can_delete = 1;
 1871:             $can_upload = 1;
 1872:             $can_setacl = 1;
 1873:         } else {
 1874:             if (&Apache::lonnet::allowed('agf',$env{'request.course.id'}.'/'.$group)) {
 1875:                 $can_setacl = 1;
 1876:             }
 1877:             if (&Apache::lonnet::allowed('ugf',$env{'request.course.id'}.'/'.$group)) {
 1878:                 $can_upload = 1;
 1879:             }
 1880:             if (&Apache::lonnet::allowed('mgf',$env{'request.course.id'}.'/'.$group)) {
 1881:                 $can_modify = 1;
 1882:             }
 1883:             if (&Apache::lonnet::allowed('dgf',$env{'request.course.id'}.'/'.$group)) {
 1884:                 $can_delete = 1;
 1885:             }
 1886:         }
 1887:     } else {
 1888:         ($uname,$udom) = &get_name_dom();
 1889:         $portfolio_root = &get_portfolio_root();
 1890:         $title = &mt('Portfolio Manager');
 1891:         $can_modify = 1;
 1892:         $can_delete = 1;
 1893:         $can_upload = 1;
 1894:         $can_setacl = 1;
 1895:     }
 1896: 
 1897:     my $port_path = &get_port_path();
 1898:     &Apache::loncommon::no_cache($r);
 1899:     &Apache::loncommon::content_type($r,'text/html');
 1900:     $r->send_http_header;
 1901:     # Give the LON-CAPA page header
 1902:     if ($env{"form.mode"} eq 'selectfile'){
 1903:         $r->print(&Apache::loncommon::start_page($title,undef,
 1904: 						 {'only_body' => 1}));
 1905:     } elsif ($env{'form.action'} eq 'rolepicker') {
 1906:         $r->print(&Apache::loncommon::start_page('New role-based condition',undef,
 1907:                                                  {'no_nav_bar'  => 1, }));
 1908:     } else {
 1909:         $r->print(&Apache::loncommon::start_page($title));
 1910:     }
 1911:     $r->rflush();
 1912: 	if (($env{'form.storeupl'}) & (!$env{'form.uploaddoc.filename'})){
 1913:    	    $r->print('<span class="LC_error">'.
 1914: 		      'No file was selected to upload.'.
 1915: 		      'To upload a file, click <strong>Browse...</strong>'.
 1916: 		      ', select a file, then click <strong>Upload</strong>.'.
 1917: 		      '</span>');
 1918: 	}
 1919:     if ($env{'form.meta'}) {
 1920:         &open_form($r,$url);
 1921: #        $r->print(&edit_meta_data($r, $env{'form.currentpath'}.$env{'form.selectfile'}));
 1922:         $r->print('Edit the meta data<br />');
 1923:         &close_form($r,$url);
 1924:     }
 1925:     if ($env{'form.store'}) {
 1926:     }
 1927: 
 1928:     if ($env{'form.uploaddoc.filename'}) {
 1929:         if ($can_upload) {
 1930: 	    &upload($r,$url,$group);
 1931:         } else {
 1932:             &missing_priv($r,$url,'upload');
 1933:         }
 1934:     } elsif ($env{'form.action'} eq 'delete' && $env{'form.confirmed'}) {
 1935:         if ($can_delete) {
 1936: 	    &delete_confirmed($r,$url);
 1937:         } else {
 1938:             &missing_priv($r,$url,'delete');
 1939:         }
 1940:     } elsif ($env{'form.action'} eq 'delete') {
 1941:         if ($can_delete) {
 1942: 	    &delete($r,$url);
 1943:         } else {
 1944:             &missing_priv($r,$url,'delete');
 1945:         }
 1946:     } elsif ($env{'form.action'} eq 'deletedir' && $env{'form.confirmed'}) {
 1947:         if ($can_delete) {
 1948: 	    &delete_dir_confirmed($r,$url);
 1949:         } else {
 1950:             &missing_priv($r,$url,'delete');
 1951:         }
 1952:     } elsif ($env{'form.action'} eq 'deletedir') {
 1953:         if ($can_delete) {
 1954: 	    &delete_dir($r,$url);
 1955:         } else {
 1956:             &missing_priv($r,$url,'delete');
 1957:         }
 1958:     } elsif ($env{'form.action'} eq 'rename' && $env{'form.confirmed'}) {
 1959:         if ($can_modify) {
 1960: 	    &rename_confirmed($r,$url);
 1961:         } else {
 1962:             &missing_priv($r,$url,'rename');
 1963:         }
 1964:     } elsif ($env{'form.rename'}) {
 1965:         $env{'form.selectfile'} = $env{'form.rename'};
 1966:         $env{'form.action'} = 'rename';
 1967:         if ($can_modify) {
 1968: 	    &rename($r,$url);
 1969:         } else {
 1970:             &missing_priv($r,$url,'rename');
 1971:         }
 1972:     } elsif ($env{'form.access'}) {
 1973:         $env{'form.selectfile'} = $env{'form.access'};
 1974:         $env{'form.action'} = 'chgaccess';
 1975:         &display_access($r,$url,$group,$can_setacl,$port_path);
 1976:     } elsif ($env{'form.action'} eq 'chgaccess') {
 1977:         if ($can_setacl) {
 1978:             &update_access($r,$url,$group,$port_path);
 1979:         } else {
 1980:             &missing_priv($r,$url,'setacl');
 1981:         }
 1982:     } elsif ($env{'form.action'} eq 'rolepicker') {
 1983:         if ($can_setacl) { 
 1984:             &role_options_window($r);
 1985:         } else {
 1986:             &missing_priv($r,$url,'setacl');
 1987:         }
 1988:     } elsif ($env{'form.createdir'}) {
 1989:         if ($can_upload) {
 1990: 	    &createdir($r,$url);
 1991:         } else {
 1992:             &missing_priv($r,$url,'upload');
 1993:         }
 1994:     } elsif ($env{'form.lockinfo'}) {
 1995:         &lock_info($r,$url,$group);
 1996:     } else {
 1997: 	my $current_path='/';
 1998: 	if ($env{'form.currentpath'}) {
 1999: 	    $current_path = $env{'form.currentpath'};
 2000: 	}
 2001:         if ($caller eq 'coursegrp_portfolio') {
 2002:             &Apache::lonhtmlcommon::clear_breadcrumbs();
 2003:             $r->print(&coursegrp_portfolio_header($udom,$uname,$grp_desc));
 2004:         }
 2005:         my @dir_list=&get_dir_list($portfolio_root);
 2006: 	if ($dir_list[0] eq 'no_such_dir'){
 2007: 	    # two main reasons for this:
 2008:             #    1) never been here, so directory structure not created
 2009: 	    #    2) back-button navigation after deleting a directory
 2010: 	    if ($current_path eq '/'){
 2011: 	        &Apache::lonnet::mkdiruserfile($uname,$udom,
 2012: 					       &get_port_path());
 2013: 	    } else {
 2014:                 # some directory that snuck in get rid of the directory
 2015:                 # from the recent pulldown, just in case
 2016: 		&Apache::lonhtmlcommon::remove_recent('portfolio',
 2017: 						      [$current_path]);
 2018: 		$current_path = '/'; # force it back to the root        
 2019: 	    }
 2020: 	    # now grab the directory list again, for the first time
 2021: 	    @dir_list=&Apache::lonnet::dirlist($current_path,
 2022: 					    $udom,$uname,$portfolio_root);
 2023:         }
 2024: 	# need to know if directory is empty so it can be removed if desired
 2025: 	my $is_empty=(@dir_list == 2);
 2026: 	&display_common($r,$url,$current_path,$is_empty,\@dir_list,
 2027: 			$can_upload);
 2028:         &display_directory($r,$url,$current_path,$is_empty,\@dir_list,$group,
 2029:                            $can_upload,$can_modify,$can_delete,$can_setacl);
 2030: 	$r->print(&Apache::loncommon::end_page());
 2031:     }
 2032:     return OK;
 2033: }
 2034: 
 2035: 1;
 2036: __END__

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