File:  [LON-CAPA] / loncom / interface / londocs.pm
Revision 1.256: download - view: text, annotated - select for diffs
Wed Nov 22 14:07:13 2006 UTC (17 years, 7 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
-xhtml

    1: # The LearningOnline Network
    2: # Documents
    3: #
    4: # $Id: londocs.pm,v 1.256 2006/11/22 14:07:13 albertel Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::londocs;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common :http);
   33: use Apache::imsexport;
   34: use Apache::lonnet;
   35: use Apache::loncommon;
   36: use LONCAPA::map();
   37: use Apache::lonratedt();
   38: use Apache::lonxml;
   39: use Apache::lonclonecourse;
   40: use Apache::lonnavmaps;
   41: use HTML::Entities;
   42: use GDBM_File;
   43: use Apache::lonlocal;
   44: use Cwd;
   45: use LONCAPA;
   46: 
   47: my $iconpath;
   48: 
   49: my %hash;
   50: 
   51: my $hashtied;
   52: my %alreadyseen=();
   53: 
   54: my $hadchanges;
   55: 
   56: # Available help topics
   57: 
   58: my %help=();
   59: 
   60: # Mapread read maps into LONCAPA::map:: global arrays 
   61: # @order and @resources, determines status
   62: # sets @order - pointer to resources in right order
   63: # sets @resources - array with the resources with correct idx
   64: #
   65: 
   66: sub mapread {
   67:     my ($coursenum,$coursedom,$map)=@_;
   68:     return
   69:       &LONCAPA::map::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   70: 			     $map);
   71: }
   72: 
   73: sub storemap {
   74:     my ($coursenum,$coursedom,$map)=@_;
   75:     my ($outtext,$errtext)=
   76:       &LONCAPA::map::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   77: 			      $map,1);
   78:     if ($errtext) { return ($errtext,2); }
   79:     
   80:     $hadchanges=1;
   81:     return ($errtext,0);
   82: }
   83: 
   84: # ----------------------------------------- Return hash with valid author names
   85: 
   86: sub authorhosts {
   87:     my %outhash=();
   88:     my $home=0;
   89:     my $other=0;
   90:     foreach (keys %env) {
   91: 	if ($_=~/^user\.role\.(au|ca)\.(.+)$/) {
   92: 	    my $role=$1;
   93: 	    my $realm=$2;
   94: 	    my ($start,$end)=split(/\./,$env{$_});
   95: 	    if (($start) && ($start>time)) { next; }
   96: 	    if (($end) && (time>$end)) { next; }
   97: 	    my $ca; my $cd;
   98: 	    if ($1 eq 'au') {
   99: 		$ca=$env{'user.name'};
  100: 		$cd=$env{'user.domain'};
  101: 	    } else {
  102: 		($cd,$ca)=($realm=~/^\/(\w+)\/(\w+)$/);
  103: 	    }
  104: 	    my $allowed=0;
  105: 	    my $myhome=&Apache::lonnet::homeserver($ca,$cd);
  106: 	    my @ids=&Apache::lonnet::current_machine_ids();
  107: 	    foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }
  108: 	    if ($allowed) {
  109: 		$home++;
  110: 		$outhash{'home_'.$ca.'@'.$cd}=1;
  111: 	    } else {
  112: 		$outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
  113: 		$other++;
  114: 	    }
  115: 	}
  116:     }
  117:     return ($home,$other,%outhash);
  118: }
  119: # ------------------------------------------------------ Generate "dump" button
  120: 
  121: sub dumpbutton {
  122:     my ($home,$other,%outhash)=&authorhosts();
  123:     my $type = &Apache::loncommon::course_type();
  124:     if ($home+$other==0) { return ''; }
  125:     my $output='</td><td bgcolor="#DDDDCC">';
  126:     if ($home) {
  127: 	return '</td><td bgcolor="#DDDDCC">'.
  128: 	    '<input type="submit" name="dumpcourse" value="'.
  129: 	    &mt('Dump '.$type.' DOCS to Construction Space').'" />'.
  130: 	    &Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs');
  131:     } else {
  132: 	return'</td><td bgcolor="#DDDDCC">'.
  133:      &mt('Dump '.$type.
  134: 	 ' DOCS to Construction Space: available on other servers');
  135:     }
  136: }
  137: 
  138: sub clean {
  139:     my ($title)=@_;
  140:     $title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
  141:     return $title;	
  142: }
  143: # -------------------------------------------------------- Actually dump course
  144: 
  145: sub dumpcourse {
  146:     my ($r) = @_;
  147:     my $type = &Apache::loncommon::course_type();
  148:     $r->print(&Apache::loncommon::start_page('Dump '.$type.' DOCS to Construction Space').
  149: 	      '<form name="dumpdoc" method="post">');
  150:     my ($home,$other,%outhash)=&authorhosts();
  151:     unless ($home) { return ''; }
  152:     my $origcrsid=$env{'request.course.id'};
  153:     my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
  154:     if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
  155: # Do the dumping
  156: 	unless ($outhash{'home_'.$env{'form.authorspace'}}) { return ''; }
  157: 	my ($ca,$cd)=split(/\@/,$env{'form.authorspace'});
  158: 	$r->print('<h3>'.&mt('Copying Files').'</h3>');
  159: 	my $title=$env{'form.authorfolder'};
  160: 	$title=&clean($title);
  161: 	my %replacehash=();
  162: 	foreach (keys %env) {
  163: 	    if ($_=~/^form\.namefor\_(.+)/) {
  164: 		$replacehash{$1}=$env{$_};
  165: 	    }
  166: 	}
  167: 	my $crs='/uploaded/'.$env{'request.course.id'}.'/';
  168: 	$crs=~s/\_/\//g;
  169: 	foreach (keys %replacehash) {
  170: 	    my $newfilename=$title.'/'.$replacehash{$_};
  171: 	    $newfilename=~s/\.(\w+)$//;
  172: 	    my $ext=$1;
  173: 	    $newfilename=&clean($newfilename);
  174: 	    $newfilename.='.'.$ext;
  175: 	    my @dirs=split(/\//,$newfilename);
  176: 	    my $path='/home/'.$ca.'/public_html';
  177: 	    my $makepath=$path;
  178: 	    my $fail=0;
  179: 	    for (my $i=0;$i<$#dirs;$i++) {
  180: 		$makepath.='/'.$dirs[$i];
  181: 		unless (-e $makepath) { 
  182: 		    unless(mkdir($makepath,0777)) { $fail=1; } 
  183: 		}
  184: 	    }
  185: 	    $r->print('<br /><tt>'.$_.'</tt> => <tt>'.$newfilename.'</tt>: ');
  186: 	    if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
  187: 		if ($_=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
  188: 		    print $fh &Apache::lonclonecourse::rewritefile(
  189:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$_),
  190: 				     (%replacehash,$crs => '')
  191: 								    );
  192: 		} else {
  193: 		    print $fh
  194:          &Apache::lonclonecourse::readfile($env{'request.course.id'},$_);
  195: 		       }
  196: 		$fh->close();
  197: 	    } else {
  198: 		$fail=1;
  199: 	    }
  200: 	    if ($fail) {
  201: 		$r->print('<font color="red">fail</font>');
  202: 	    } else {
  203: 		$r->print('<font color="green">ok</font>');
  204: 	    }
  205: 	}
  206:     } else {
  207: # Input form
  208: 	unless ($home==1) {
  209: 	    $r->print(
  210: 		      '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
  211: 	}
  212: 	foreach (sort keys %outhash) {
  213: 	    if ($_=~/^home_(.+)$/) {
  214: 		if ($home==1) {
  215: 		    $r->print(
  216: 		  '<input type="hidden" name="authorspace" value="'.$1.'" />');
  217: 		} else {
  218: 		    $r->print('<option value="'.$1.'">'.$1.' - '.
  219: 			      &Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
  220: 		}
  221: 	    }
  222: 	}
  223: 	unless ($home==1) {
  224: 	    $r->print('</select>');
  225: 	}
  226: 	my $title=$origcrsdata{'description'};
  227: 	$title=~s/[\/\s]+/\_/gs;
  228: 	$title=&clean($title);
  229: 	$r->print('<h3>'.&mt('Folder in Construction Space').'</h3><input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
  230: 	&tiehash();
  231: 	$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3><table border="2"><tr><th>'.&mt('Internal Filename').'</th><th>'.&mt('Title').'</th><th>'.&mt('Save as ...').'</th></tr>');
  232: 	foreach (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
  233: 	    $r->print('<tr><td>'.$_.'</td>');
  234: 	    my ($ext)=($_=~/\.(\w+)$/);
  235: 	    my $title=$hash{'title_'.$hash{
  236: 		'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$_}};
  237: 	    $title=~s/&colon;/:/g;
  238: 	    $r->print('<td>'.($title?$title:'&nbsp;').'</td>');
  239: 	    if (!$title) {
  240: 		$title=$_;
  241: 	    } else {
  242: 		$title=~s|/|_|g;
  243: 	    }
  244: 	    $title=~s/\.(\w+)$//;
  245: 	    $title=&clean($title);
  246: 	    $title.='.'.$ext;
  247: 	    $r->print("\n<td><input type='text' size='60' name='namefor_".$_."' value='".$title."' /></td></tr>\n");
  248: 	}
  249: 	$r->print("</table>\n");
  250: 	&untiehash();
  251: 	$r->print(
  252:   '<p><input type="submit" name="dumpcourse" value="'.&mt('Dump [_1] DOCS',$type).'" /></p></form>');
  253:     }
  254: }
  255: 
  256: # ------------------------------------------------------ Generate "export" button
  257: 
  258: sub exportbutton {
  259:     my $type = &Apache::loncommon::course_type();
  260:     return '</td><td bgcolor="#DDDDCC">'.
  261:             '<input type="submit" name="exportcourse" value="'.
  262:             &mt('Export '.$type.' to IMS').'" />'.
  263:     &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs');
  264: }
  265: 
  266: sub exportcourse {
  267:     my $r=shift;
  268:     my $type = &Apache::loncommon::course_type();
  269:     my %discussiontime = &Apache::lonnet::dump('discussiontimes',
  270:                                                $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
  271:     my $numdisc = keys %discussiontime;
  272:     my $navmap = Apache::lonnavmaps::navmap->new();
  273:     my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
  274:     my $curRes;
  275:     my $outcome;
  276: 
  277:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  278:                                             ['finishexport']);
  279:     if ($env{'form.finishexport'}) {
  280:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  281:                                             ['archive','discussion']);
  282: 
  283:         my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
  284:         my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
  285:         if (@exportitems == 0 && @discussions == 0) {
  286:             $outcome = '<br />As you did not select any content items or discussions for export, an IMS package has not been created.  Please <a href="javascript:history.go(-1)">go back</a> to select either content items or discussions for export';
  287:         } else {
  288:             my $now = time;
  289:             my %symbs;
  290:             my $manifestok = 0;
  291:             my $imsresources;
  292:             my $tempexport;
  293:             my $copyresult;
  294:             my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
  295:             if ($manifestok) {
  296:                 &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
  297:                 close($ims_manifest);
  298: 
  299: #Create zip file in prtspool
  300:                 my $imszipfile = '/prtspool/'.
  301:                 $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
  302:                    time.'_'.rand(1000000000).'.zip';
  303:                 my $cwd = &Cwd::getcwd();
  304:                 my $imszip = '/home/httpd/'.$imszipfile;
  305:                 chdir $tempexport;
  306:                 open(OUTPUT, "zip -r $imszip *  2> /dev/null |");
  307:                 close(OUTPUT);
  308:                 chdir $cwd;
  309:                 $outcome .= &mt('Download the zip file from <a href="[_1]">IMS '.lc($type).' archive</a><br />',$imszipfile,);
  310:                 if ($copyresult) {
  311:                     $outcome .= 'The following errors occurred during export - '.$copyresult;
  312:                 }
  313:             } else {
  314:                 $outcome = '<br />Unfortunately you will not be able to retrieve an IMS archive of this posts at this time, because there was a problem creating a manifest file.<br />';
  315:             }
  316:         }
  317:         $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package'));
  318:         $r->print($outcome);
  319:         $r->print(&Apache::loncommon::end_page());
  320:     } else {
  321:         my $display;
  322:         $display = '<form name="exportdoc" method="post">'."\n";
  323:         $display .= &mt('Choose which items you wish to export from your '.$type.'.<br /><br />');
  324:         $display .= '<table border="0" cellspacing="0" cellpadding="3">'.
  325:                     '<tr><td><fieldset><legend>&nbsp;<b>Content items</b></legend>'.
  326:                     '<input type="button" value="check all" '.
  327:                     'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
  328:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  329:                     ' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset></td>'.
  330:                     '<td>&nbsp;</td><td>&nbsp;</td>'.
  331:                     '<td align="right"><fieldset><legend>&nbsp;<b>Discussion posts'.
  332:                     '</b></legend><input type="button" value="check all"'.
  333:                     ' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
  334:                     '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  335:                     ' onclick="javascript:uncheckAll(document.exportdoc.discussion)" /></fieldset></td>'.
  336:                     '</tr></table>';
  337:         my $curRes;
  338:         my $depth = 0;
  339:         my $count = 0;
  340:         my $boards = 0;
  341:         my $startcount = 5;
  342:         my %parent = ();
  343:         my %children = ();
  344:         my $lastcontainer = $startcount;
  345:         my @bgcolors = ('#F6F6F6','#FFFFFF');
  346:         $display .= '<table cellspacing="0"><tr>'.
  347:             '<td><b>Export content item?<br /></b></td><td>&nbsp;</td><td align="right">'."\n";
  348:         if ($numdisc > 0) {
  349:             $display.='<b>Export&nbsp;discussion posts?</b>'."\n";
  350:         }
  351:         $display.='&nbsp;</td></tr>';
  352:         while ($curRes = $it->next()) {
  353:             if (ref($curRes)) {
  354:                 $count ++;
  355:             }
  356:             if ($curRes == $it->BEGIN_MAP()) {
  357:                 $depth++;
  358:                 $parent{$depth} = $lastcontainer;
  359:             }
  360:             if ($curRes == $it->END_MAP()) {
  361:                 $depth--;
  362:                 $lastcontainer = $parent{$depth};
  363:             }
  364:             if (ref($curRes)) {
  365:                 my $symb = $curRes->symb();
  366:                 my $ressymb = $symb;
  367:                 if ($ressymb =~ m|adm/(\w+)/(\w+)/(\d+)/bulletinboard$|) {
  368:                     unless ($ressymb =~ m|adm/wrapper/adm|) {
  369:                         $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  370:                     }
  371:                 }
  372:                 my $color = $count%2;
  373:                 $display .='<tr bgcolor='.$bgcolors[$color].'><td>'."\n".
  374:                     '<input type="checkbox" name="archive" value="'.$count.'" ';
  375:                 if (($curRes->is_sequence()) || ($curRes->is_page())) {
  376:                     my $checkitem = $count + $boards + $startcount;
  377:                     $display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"';
  378:                 }
  379:                 $display .= ' />'."\n";
  380:                 for (my $i=0; $i<$depth; $i++) {
  381:                     $display .= '<img src="/adm/lonIcons/whitespace1.gif" width="25" height="1" alt="" border="0" /><img src="/adm/lonIcons/whitespace1.gif" width="25" height="1" alt="" border="0" />'."\n";
  382:                 }
  383:                 if ($curRes->is_sequence()) {
  384:                     $display .= '<img src="/adm/lonIcons/navmap.folder.open.gif">&nbsp;'."\n";
  385:                     $lastcontainer = $count + $startcount + $boards;
  386:                 } elsif ($curRes->is_page()) {
  387:                     $display .= '<img src="/adm/lonIcons/navmap.page.open.gif">&nbsp;'."\n";
  388:                     $lastcontainer = $count + $startcount + $boards;
  389:                 }
  390:                 my $currelem = $count+$boards+$startcount;
  391:                 $children{$parent{$depth}} .= $currelem.':';
  392:                 $display .= '&nbsp;'.$curRes->title().'</td>';
  393:                 if ($discussiontime{$ressymb} > 0) {
  394:                     $boards ++;
  395:                     $currelem = $count+$boards+$startcount;
  396:                     $display .= '<td>&nbsp;</td><td align="right"><input type="checkbox" name="discussion" value="'.$count.'" />&nbsp;</td>'."\n";
  397:                 } else {
  398:                     $display .= '<td colspan="2">&nbsp;</td>'."\n";
  399:                 }
  400:             }
  401:         }
  402:         my $scripttag = qq|
  403: <script>
  404: 
  405: function checkAll(field) {
  406:     if (field.length > 0) {
  407:         for (i = 0; i < field.length; i++) {
  408:             field[i].checked = true ;
  409:         }
  410:     } else {
  411:         field.checked = true
  412:     }
  413: }
  414:                                                                                 
  415: function uncheckAll(field) {
  416:     if (field.length > 0) {
  417:         for (i = 0; i < field.length; i++) {
  418:             field[i].checked = false ;
  419:         }
  420:     } else {
  421:         field.checked = false ;
  422:     }
  423: }
  424: 
  425: function propagateCheck(item) {
  426:     if (document.exportdoc.elements[item].checked == true) {
  427:         containerCheck(item)
  428:     }
  429: } 
  430: 
  431: function containerCheck(item) {
  432:     document.exportdoc.elements[item].checked = true
  433:     var numitems = $count + $boards + $startcount
  434:     var parents = new Array(numitems)
  435:     for (var i=$startcount; i<numitems; i++) {
  436:         parents[i] = new Array
  437:     }
  438:         |;
  439: 
  440:         foreach my $container (sort { $a <=> $b } keys %children) {
  441:             my @contents = split/:/,$children{$container};
  442:             for (my $i=0; $i<@contents; $i ++) {
  443:                 $scripttag .= '    parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
  444:             }
  445:         }
  446: 
  447:         $scripttag .= qq|
  448:     if (parents[item].length > 0) {
  449:         for (var j=0; j<parents[item].length; j++) {
  450:             containerCheck(parents[item][j])
  451:         }
  452:      }   
  453: }
  454: 
  455: </script>
  456:         |;
  457: 	$r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package',
  458: 						 $scripttag));
  459: 	$r->print($display.'</table>'.
  460:                   '<p><input type="hidden" name="finishexport" value="1">'.
  461:                   '<input type="submit" name="exportcourse" value="'.
  462:                   &mt('Export '.$type.' DOCS').'" /></p></form>'.
  463: 		  &Apache::loncommon::end_page());
  464:     }
  465: }
  466: 
  467: sub create_ims_store {
  468:     my ($now,$manifestok,$outcome,$tempexport) = @_;
  469:     $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
  470:     my $ims_manifest;
  471:     if (!-e $$tempexport) {
  472:         mkdir($$tempexport,0700);
  473:     }
  474:     $$tempexport .= '/'.$now;
  475:     if (!-e $$tempexport) {
  476:         mkdir($$tempexport,0700);
  477:     }
  478:     $$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
  479:     if (!-e $$tempexport) {
  480:         mkdir($$tempexport,0700);
  481:     }
  482:     if (!-e "$$tempexport/resources") {
  483:         mkdir("$$tempexport/resources",0700);
  484:     }
  485: # open manifest file
  486:     my $manifest = '/imsmanifest.xml';
  487:     my $manifestfilename = $$tempexport.$manifest;
  488:     if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
  489:         $$manifestok=1;
  490:         print $ims_manifest
  491: '<?xml version="1.0" encoding="UTF-8"?>'."\n".
  492: '<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
  493: ' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
  494: ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
  495: ' identifier="MANIFEST-'.$env{'request.course.id'}.'-'.$now.'"'.
  496: '  xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
  497: '  http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
  498: '  <metadata>
  499:     <schema></schema>
  500:     <imsmd:lom>
  501:       <imsmd:general>
  502:         <imsmd:identifier>'.$env{'request.course.id'}.'</imsmd:identifier>
  503:         <imsmd:title>
  504:           <imsmd:langstring xml:lang="en">'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</imsmd:langstring>
  505:         </imsmd:title>
  506:       </imsmd:general>
  507:     </imsmd:lom>
  508:   </metadata>'."\n".
  509: '  <organizations default="ORG-'.$env{'request.course.id'}.'-'.$now.'">'."\n".
  510: '    <organization identifier="ORG-'.$env{'request.course.id'}.'-'.$now.'"'.
  511: ' structure="hierarchical">'."\n".
  512: '      <title>'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</title>'
  513:     } else {
  514:         $$outcome .= 'An error occurred opening the IMS manifest file.<br />'
  515: ;
  516:     }
  517:     return $ims_manifest;
  518: }
  519: 
  520: sub build_package {
  521:     my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
  522: # first iterator to look for dependencies
  523:     my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  524:     my $curRes;
  525:     my $count = 0;
  526:     my $depth = 0;
  527:     my $lastcontainer = 0;
  528:     my %parent = ();
  529:     my @dependencies = ();
  530:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  531:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  532:     while ($curRes = $it->next()) {
  533:         if (ref($curRes)) {
  534:             $count ++;
  535:         }
  536:         if ($curRes == $it->BEGIN_MAP()) {
  537:             $depth++;
  538:             $parent{$depth} = $lastcontainer;
  539:         }
  540:         if ($curRes == $it->END_MAP()) {
  541:             $depth--;
  542:             $lastcontainer = $parent{$depth};
  543:         }
  544:         if (ref($curRes)) {
  545:             if ($curRes->is_sequence() || $curRes->is_page()) {
  546:                 $lastcontainer = $count;
  547:             }
  548:             if (grep/^$count$/,@$exportitems) {
  549:                 &get_dependencies($exportitems,\%parent,$depth,\@dependencies);
  550:             }
  551:         }
  552:     }
  553: # second iterator to build manifest and store resources
  554:     $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
  555:     $depth = 0;
  556:     my $prevdepth;
  557:     $count = 0;
  558:     my $imsresources;
  559:     my $pkgdepth;
  560:     while ($curRes = $it->next()) {
  561:         if ($curRes == $it->BEGIN_MAP()) {
  562:             $prevdepth = $depth;
  563:             $depth++;
  564:         }
  565:         if ($curRes == $it->END_MAP()) {
  566:             $prevdepth = $depth;
  567:             $depth--;
  568:         }
  569: 
  570:         if (ref($curRes)) {
  571:             $count ++;
  572:             if ((grep/^$count$/,@$exportitems) || (grep/^$count$/,@dependencies)) {
  573:                 my $symb = $curRes->symb();
  574:                 my $isvisible = 'true';
  575:                 my $resourceref;
  576:                 if ($curRes->randomout()) {
  577:                     $isvisible = 'false';
  578:                 }
  579:                 unless ($curRes->is_sequence()) {
  580:                     $resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
  581:                 }
  582:                 my $step = $prevdepth - $depth;
  583:                 if (($step >= 0) && ($count > 1)) {
  584:                     while ($step >= 0) {
  585:                         print $ims_manifest "\n".'  </item>'."\n";
  586:                         $step --;
  587:                     }
  588:                 }
  589:                 $prevdepth = $depth;
  590: 
  591:                 my $itementry =
  592:               '<item identifier="ITEM-'.$env{'request.course.id'}.'-'.$count.
  593:               '" isvisible="'.$isvisible.'" '.$resourceref.'>'.
  594:               '<title>'.$curRes->title().'</title>';
  595:                 print $ims_manifest "\n".$itementry;
  596: 
  597:                 unless ($curRes->is_sequence()) {
  598:                     my $content_file;
  599:                     my @hrefs = ();
  600:                     &process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
  601:                     if ($content_file) {
  602:                         $imsresources .= "\n".
  603:                      '   <resource identifier="RES-'.$env{'request.course.id'}.'-'.$count.
  604:                      '" type="webcontent" href="'.$content_file.'">'."\n".
  605:                      '       <file href="'.$content_file.'" />'."\n";
  606:                         foreach (@hrefs) {
  607:                             $imsresources .=
  608:                      '        <file href="'.$_.'" />'."\n";
  609:                         }
  610:                         if (grep/^$count$/,@$discussions) {
  611:                             my $ressymb = $symb;
  612:                             my $mode;
  613:                             if ($ressymb =~ m|adm/(\w+)/(\w+)/(\d+)/bulletinboard$|) {
  614:                                 unless ($ressymb =~ m|adm/wrapper/adm|) {
  615:                                     $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
  616:                                 }
  617:                                 $mode = 'board';
  618:                             }
  619:                             my %extras = (
  620:                                           caller => 'imsexport',
  621:                                           tempexport => $tempexport.'/resources',
  622:                                           count => $count
  623:                                          );
  624:                             my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
  625:                         }
  626:                         $imsresources .= '    </resource>'."\n";
  627:                     }
  628:                 }
  629:                 $pkgdepth = $depth;
  630:             }
  631:         }
  632:     }
  633:     while ($pkgdepth > 0) {
  634:         print $ims_manifest "    </item>\n";
  635:         $pkgdepth --;
  636:     }
  637:     my $resource_text = qq|
  638:     </organization>
  639:   </organizations>
  640:   <resources>
  641:     $imsresources
  642:   </resources>
  643: </manifest>
  644:     |;
  645:     print $ims_manifest $resource_text;
  646: }
  647: 
  648: sub get_dependencies {
  649:     my ($exportitems,$parent,$depth,$dependencies) = @_;
  650:     if ($depth > 1) {
  651:         if ((!grep/^$$parent{$depth}$/,@$exportitems) && (!grep/^$$parent{$depth}$/,@$dependencies)) {
  652:             push @$dependencies, $$parent{$depth};
  653:             if ($depth > 2) {
  654:                 &get_dependencies($exportitems,$parent,$depth-1,$dependencies);
  655:             }
  656:         }
  657:     }
  658: }
  659: 
  660: sub process_content {
  661:     my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
  662:     my $content_type;
  663:     my $message;
  664:     my @uploads = ();
  665:     if ($curRes->is_sequence()) {
  666:         $content_type = 'sequence';
  667:     } elsif ($curRes->is_page()) {
  668:         $content_type = 'page'; # need to handle individual items in pages.
  669:     } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
  670:         $content_type = 'syllabus';
  671:         my $contents = &Apache::imsexport::templatedpage($content_type);
  672:         if ($contents) {
  673:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  674:         }
  675:     } elsif ($symb =~ m-\.sequence___\d+___ext-) {
  676:         $content_type = 'external';
  677:         my $title = $curRes->title;
  678:         my $contents =  &Apache::imsexport::external($symb,$title);
  679:         if ($contents) {
  680:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  681:         }
  682:     } elsif ($symb =~ m-adm/navmaps$-) {
  683:         $content_type =  'navmap';
  684:     } elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
  685:         $content_type = 'simplepage';
  686:         my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
  687:         if ($contents) {
  688:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  689:         }
  690:     } elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
  691:         $content_type = 'simpleproblem';
  692:         my $contents =  &Apache::imsexport::simpleproblem($symb);
  693:         if ($contents) {
  694:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  695:         }
  696:     } elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
  697:         $content_type = 'examupload';
  698:     } elsif ($symb =~ m-adm/(\w+)/(\w+)/(\d+)/bulletinboard$-) {
  699:         $content_type = 'bulletinboard';
  700:         my $contents =  &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
  701:         if ($contents) {
  702:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  703:         }
  704:     } elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
  705:         $content_type = 'aboutme';
  706:         my $contents =  &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
  707:         if ($contents) {
  708:             $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  709:         }
  710:     } elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
  711:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  712:     } elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
  713:         my $canedit = 0;
  714:         if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'})  {
  715:             $canedit= 1;
  716:         }
  717: # only include problem code where current user is author
  718:         if ($canedit) {
  719:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
  720:         } else {
  721:             $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
  722:         }
  723:     } elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
  724:         $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  725:     }
  726:     if (@uploads > 0) {
  727:         foreach my $item (@uploads) {
  728:             my $uploadmsg = '';
  729:             &replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
  730:             if ($uploadmsg) {
  731:                 $$copyresult .= $uploadmsg."\n";
  732:             }
  733:         }
  734:     }
  735:     if ($message) {
  736:         $$copyresult .= $message."\n";
  737:     }
  738: }
  739: 
  740: sub replicate_content {
  741:     my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
  742:     my ($map,$ind,$url);
  743:     if ($caller eq 'templateupload') {
  744:         $url = $symb;
  745:         $url =~ s#//#/#g;
  746:     } else { 
  747:         ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
  748:     }
  749:     my $content;
  750:     my $filename;
  751:     my $repstatus;
  752:     my $content_name;
  753:     if ($url =~ m-/([^/]+)$-) {
  754:         $filename = $1;
  755:         if (!-e $tempexport.'/resources') {
  756:             mkdir($tempexport.'/resources',0700);
  757:         }
  758:         if (!-e $tempexport.'/resources/'.$count) {
  759:             mkdir($tempexport.'/resources/'.$count,0700);
  760:         }
  761:         my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
  762:         my $copiedfile;
  763:         if ($copiedfile = Apache::File->new('>'.$destination)) {
  764:             my $content;
  765:             if ($caller eq 'resource') {
  766:                 my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
  767:                 my $filepath = &Apache::lonnet::filelocation($respath,$url);
  768:                 $content = &Apache::lonnet::getfile($filepath);
  769:                 if ($content eq -1) {
  770:                     $$message = 'Could not copy file '.$filename;
  771:                 } else {
  772:                     &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'resource');
  773:                     $repstatus = 'ok';
  774:                 }
  775:             } elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
  776:                 my $rtncode;
  777:                 $repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
  778:                 if ($repstatus eq 'ok') {
  779:                     if ($url =~ /\.html?$/i) {
  780:                         &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'uploaded');
  781:                     }
  782:                 } else {
  783:                     $$message = 'Could not render '.$url.' server message - '.$rtncode."<br />\n";
  784:                 }
  785:             } elsif ($caller eq 'noedit') {
  786: # Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this. 
  787:                 $repstatus = 'ok';
  788:                 $content = 'Not the owner of this resource'; 
  789:             }
  790:             if ($repstatus eq 'ok') {
  791:                 print $copiedfile $content;
  792:             }
  793:             close($copiedfile);
  794:         } else {
  795:             $$message = 'Could not open destination file for '.$filename."<br />\n";
  796:         }
  797:     } else {
  798:         $$message = 'Could not determine name of file for '.$symb."<br />\n";
  799:     }
  800:     if ($repstatus eq 'ok') {
  801:         $content_name = 'resources/'.$count.'/'.$filename;
  802:     }
  803:     return $content_name;
  804: }
  805: 
  806: sub extract_media {
  807:     my ($url,$cdom,$cnum,$content,$count,$tempexport,$href,$message,$caller) = @_;
  808:     my ($dirpath,$container);
  809:     my %allfiles = ();
  810:     my %codebase = ();
  811:     if ($url =~ m-(.*/)([^/]+)$-) {
  812:         $dirpath = $1;
  813:         $container = $2;
  814:     } else {
  815:         $dirpath = $url;
  816:         $container = '';
  817:     }
  818:     &Apache::lonnet::extract_embedded_items(undef,undef,\%allfiles,\%codebase,$content);
  819:     foreach my $embed_file (keys(%allfiles)) {
  820:         my $filename;
  821:         if ($embed_file =~ m#([^/]+)$#) {
  822:             $filename = $1;
  823:         } else {
  824:             $filename = $embed_file;
  825:         }
  826:         my $newname = 'res/'.$filename;
  827:         my ($rtncode,$embed_content,$repstatus);
  828:         my $embed_url;
  829:         if ($embed_file =~ m-^/-) {
  830:             $embed_url = $embed_file;           # points to absolute path
  831:         } else {
  832:             if ($embed_file =~ m-https?://-) {
  833:                 next;                           # points to url
  834:             } else {
  835:                 $embed_url = $dirpath.$embed_file;  # points to relative path
  836:             }
  837:         }
  838:         if ($caller eq 'resource') {
  839:             my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';  
  840:             my $embed_path = &Apache::lonnet::filelocation($respath,$embed_url); 
  841:             $embed_content = &Apache::lonnet::getfile($embed_path);
  842:             unless ($embed_content eq -1) {
  843:                 $repstatus = 'ok';
  844:             }
  845:         } elsif ($caller eq 'uploaded') {
  846:             
  847:             $repstatus = &Apache::lonnet::getuploaded('GET',$embed_url,$cdom,$cnum,\$embed_content,$rtncode);
  848:         }
  849:         if ($repstatus eq 'ok') {
  850:             my $destination = $tempexport.'/resources/'.$count.'/res';
  851:             if (!-e "$destination") {
  852:                 mkdir($destination,0755);
  853:             }
  854:             $destination .= '/'.$filename;
  855:             my $copiedfile;
  856:             if ($copiedfile = Apache::File->new('>'.$destination)) {
  857:                 print $copiedfile $embed_content;
  858:                 push @{$href}, 'resources/'.$count.'/res/'.$filename;
  859:                 my $attrib_regexp = '';
  860:                 if (@{$allfiles{$embed_file}} > 1) {
  861:                     $attrib_regexp = join('|',@{$allfiles{$embed_file}});
  862:                 } else {
  863:                     $attrib_regexp = $allfiles{$embed_file}[0];
  864:                 }
  865:                 $$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$embed_file\E(['"]?)#$1$newname$2#gi;
  866:                 if ($caller eq 'resource' && $container =~ /\.(problem|library)$/) {
  867:                     $$content =~ s#\Q$embed_file\E#$newname#gi;
  868:                 }
  869:             }
  870:         } else {
  871:             $$message .= 'replication of embedded file - '.$embed_file.' in '.$url.' failed, reason -'.$rtncode."<br />\n";
  872:         }
  873:     }
  874:     return;
  875: }
  876: 
  877: sub store_template {
  878:     my ($contents,$tempexport,$count,$content_type) = @_;
  879:     if ($contents) {
  880:         if ($tempexport) {
  881:             if (!-e $tempexport.'/resources') {
  882:                 mkdir($tempexport.'/resources',0700);
  883:             }
  884:             if (!-e $tempexport.'/resources/'.$count) {
  885:                 mkdir($tempexport.'/resources/'.$count,0700);
  886:             }
  887:             my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
  888:             my $storetemplate;
  889:             if ($storetemplate = Apache::File->new('>'.$destination)) {
  890:                 print $storetemplate $contents;
  891:                 close($storetemplate);
  892:             }
  893:             if ($content_type eq 'external') {
  894:                 return 'resources/'.$count.'/'.$content_type.'.html';
  895:             } else {
  896:                 return 'resources/'.$count.'/'.$content_type.'.xml';
  897:             }
  898:         }
  899:     }
  900: }
  901: 
  902: # Imports the given (name, url) resources into the course
  903: # coursenum, coursedom, and folder must precede the list
  904: sub group_import {
  905:     my $coursenum = shift;
  906:     my $coursedom = shift;
  907:     my $folder = shift;
  908:     my $container = shift;
  909:     my $caller = shift;
  910:     while (@_) {
  911: 	my $name = shift;
  912: 	my $url = shift;
  913:         if (($url =~ m#^/uploaded/$coursedom/$coursenum/(default_\d+\.)(page|sequence)$#) && ($caller eq 'londocs')) {
  914:             my $errtext = '';
  915:             my $fatal = 0;
  916:             my $newmapstr = '<map>'."\n".
  917:                             '<resource id="1" src="" type="start"></resource>'."\n".
  918:                             '<link from="1" to="2" index="1"></link>'."\n".
  919:                             '<resource id="2" src="" type="finish"></resource>'."\n".
  920:                             '</map>';
  921:             $env{'form.output'}=$newmapstr;
  922:             my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
  923:                                                 'output',$1.$2);
  924:             if ($result != m|^/uploaded/|) {
  925:                 $errtext.='Map not saved: A network error occured when trying to save the new map. ';
  926:                 $fatal = 2;
  927:             }
  928:             if ($fatal) {
  929:                 return ($errtext,$fatal);
  930:             }
  931:         }
  932: 	if ($url) {
  933: 	    my $idx = &LONCAPA::map::getresidx($url);
  934: 	    $LONCAPA::map::order[$#LONCAPA::map::order+1]=$idx;
  935: 	    my $ext = 'false';
  936: 	    if ($url=~/^http:\/\//) { $ext = 'true'; }
  937: 	    $url =~ s/:/\&colon;/g;
  938: 	    $name =~ s/:/\&colon;/g;
  939: 	    $LONCAPA::map::resources[$idx] = 
  940: 		join ':', ($name, $url, $ext, 'normal', 'res');
  941: 	}
  942:     }
  943:     return &storemap($coursenum, $coursedom, $folder.'.'.$container);
  944: }
  945: 
  946: sub breadcrumbs {
  947:     my ($where)=@_;
  948:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  949:     my (@folders);
  950:     if ($env{'form.pagepath'}) {
  951:         @folders = split('&',$env{'form.pagepath'});
  952:     } else {
  953:         @folders=split('&',$env{'form.folderpath'});
  954:     }
  955:     my $folderpath;
  956:     my $cpinfo='';
  957:     my $plain='';
  958:     if ($env{'form.markedcopy_url'}) {
  959:        $cpinfo='&markedcopy_url='.
  960:                &escape($env{'form.markedcopy_url'}).
  961:                '&markedcopy_title='.
  962:                &escape($env{'form.markedcopy_title'});
  963:     }
  964:     my $randompick=-1;
  965:     my $isencrypted=0;
  966:     my $ishidden=0;
  967:     while (@folders) {
  968: 	my $folder=shift(@folders);
  969: 	my $foldername=shift(@folders);
  970: 	if ($folderpath) {$folderpath.='&';}
  971: 	$folderpath.=$folder.'&'.$foldername;
  972: 	my $url='/adm/coursedocs?folderpath='.
  973: 	    &escape($folderpath);
  974:             my $name=&unescape($foldername);
  975: # randompick number, hidden, encrypted is appended with ":"s to the foldername	
  976:             $name=~s/\:(\d*)\:(\w*)\:(\w*)$//;
  977:             if ($1 ne '') { 
  978:                $randompick=$1;
  979:             } else {
  980:                $randompick=-1;
  981:             }
  982:             if ($2) { $ishidden=1; }
  983:             if ($3) { $isencrypted=1; }
  984: 	    &Apache::lonhtmlcommon::add_breadcrumb(
  985: 		      {'href'=>$url.$cpinfo,
  986: 		       'title'=>$name,
  987: 		       'text'=>'<font size="+1">'.
  988: 			   $name.'</font>'
  989: 		       });
  990: 	$plain.=$name.' &gt; ';
  991:     }
  992:     $plain=~s/\&gt\;\s*$//;
  993:     return (&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
  994: 					       'LC_docs_path'),$randompick,$ishidden,$isencrypted,$plain);
  995: }
  996: 
  997: sub log_docs {
  998:     return &Apache::lonnet::instructor_log('docslog',@_);
  999: }
 1000: 
 1001: {
 1002:     my @oldresources=();
 1003:     my @oldorder=();
 1004:     my $parmidx;
 1005:     my %parmaction=();
 1006:     my %parmvalue=();
 1007:     my $changedflag;
 1008: 
 1009:     sub snapshotbefore {
 1010:         @oldresources=@LONCAPA::map::resources;
 1011:         @oldorder=@LONCAPA::map::order;
 1012:         $parmidx=undef;
 1013:         %parmaction=();
 1014:         %parmvalue=();
 1015:         $changedflag=0;
 1016:     }
 1017: 
 1018:     sub remember_parms {
 1019:         my ($idx,$parameter,$action,$value)=@_;
 1020:         $parmidx=$idx;
 1021:         $parmaction{$parameter}=$action;
 1022:         $parmvalue{$parameter}=$value;
 1023:         $changedflag=1;
 1024:     }
 1025: 
 1026:     sub log_differences {
 1027:         my ($plain)=@_;
 1028:         my %storehash=('folder' => $plain);
 1029:         if ($parmidx) {
 1030:            $storehash{'parameter_res'}=$oldresources[$parmidx];
 1031:            foreach my $parm (keys %parmaction) {
 1032:               $storehash{'parameter_action_'.$parm}=$parmaction{$parm};
 1033:               $storehash{'parameter_value_'.$parm}=$parmvalue{$parm};
 1034:            }
 1035:         }
 1036:         my $maxidx=$#oldresources;
 1037:         if ($#LONCAPA::map::resources>$#oldresources) {
 1038:            $maxidx=$#LONCAPA::map::resources;
 1039:         }
 1040:         for (my $idx=0; $idx<=$maxidx; $idx++) {
 1041:            if ($LONCAPA::map::resources[$idx] ne $oldresources[$idx]) {
 1042:               $storehash{'before_resources_'.$idx}=$oldresources[$idx];
 1043:               $storehash{'after_resources_'.$idx}=$LONCAPA::map::resources[$idx];
 1044:               $changedflag=1;
 1045:            }
 1046:            if ($LONCAPA::map::order[$idx] ne $oldorder[$idx]) {
 1047:               $storehash{'before_order_res_'.$idx}=$oldresources[$oldorder[$idx]];
 1048:               $storehash{'after_order_res_'.$idx}=$LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1049:               $changedflag=1;
 1050:            }
 1051:         }
 1052: 	$storehash{'maxidx'}=$maxidx;
 1053:         if ($changedflag) { &log_docs(\%storehash); }
 1054:     }
 1055: }
 1056: 
 1057: 
 1058: #
 1059: # Docs Change Log
 1060: #
 1061: sub docs_change_log {
 1062:     my ($r)=@_;
 1063:     $r->print(&Apache::loncommon::start_page('Course Document Change Log'));
 1064:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Document Change Log'));
 1065: 
 1066:     my %docslog=&Apache::lonnet::dump('nohist_docslog',
 1067:                                       $env{'course.'.$env{'request.course.id'}.'.domain'},
 1068:                                       $env{'course.'.$env{'request.course.id'}.'.num'});
 1069: 
 1070:     if ((keys(%docslog))[0]=~/^error\:/) { undef(%docslog); }
 1071: 
 1072:     $r->print('<form action="/adm/coursedocs" method="post" name="docslog">'.
 1073:               '<input type="hidden" name="docslog" value="1" />');
 1074: 
 1075:     my %saveable_parameters = ('show' => 'scalar',);
 1076:     &Apache::loncommon::store_course_settings('docs_log',
 1077:                                               \%saveable_parameters);
 1078:     &Apache::loncommon::restore_course_settings('docs_log',
 1079:                                                 \%saveable_parameters);
 1080:     if (!$env{'form.show'}) { $env{'form.show'}=10; }
 1081:     my %lt=('hiddenresource' => 'Resources hidden',
 1082: 	    'encrypturl'     => 'URL hidden',
 1083: 	    'randompick'     => 'Randomly pick',
 1084: 	    'set'            => 'set to',
 1085: 	    'del'            => 'deleted');
 1086: 
 1087:     my $countselect =
 1088:         &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
 1089:                                     (&mt('all'),10,20,50,100,1000,10000));
 1090: 
 1091:     $r->print('<nobr>'.&mt('[_1] Records',$countselect).'</nobr>'.
 1092:               '<input type="submit" value="'.&mt('Display').'" /></form>');
 1093:     $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
 1094:               '<th>'.&mt('Time').'</th><th>'.&mt('User').'</th><th>'.&mt('Folder').'</th><th>'.&mt('Before').'</th><th>'.
 1095:               &mt('After').'</th>'.
 1096:               &Apache::loncommon::end_data_table_header_row());
 1097:     my $shown=0;
 1098:     foreach my $id (sort { $docslog{$b}{'exe_time'}<=>$docslog{$a}{'exe_time'} } (keys(%docslog))) {
 1099:         my @changes=keys(%{$docslog{$id}{'logentry'}});
 1100:         my $count = 0;
 1101:         my $time =
 1102:             &Apache::lonlocal::locallocaltime($docslog{$id}{'exe_time'});
 1103:         my $plainname =
 1104:             &Apache::loncommon::plainname($docslog{$id}{'exe_uname'},
 1105:                                           $docslog{$id}{'exe_udom'});
 1106:         my $about_me_link =
 1107:             &Apache::loncommon::aboutmewrapper($plainname,
 1108:                                                $docslog{$id}{'exe_uname'},
 1109:                                                $docslog{$id}{'exe_udom'});
 1110:         my $send_msg_link='';
 1111:         if ((($docslog{$id}{'exe_uname'} ne $env{'user.name'})
 1112:              || ($docslog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
 1113:             $send_msg_link ='<br />'.
 1114:                 &Apache::loncommon::messagewrapper(&mt('Send message'),
 1115:                                                    $docslog{$id}{'exe_uname'},
 1116:                                                    $docslog{$id}{'exe_udom'});
 1117:         }
 1118:         $r->print(&Apache::loncommon::start_data_table_row());
 1119:         $r->print('<td>'.$time.'</td>
 1120:                        <td>'.$about_me_link.
 1121:                   '<br /><tt>'.$docslog{$id}{'exe_uname'}.
 1122:                                   ':'.$docslog{$id}{'exe_udom'}.'</tt>'.
 1123:                   $send_msg_link.'</td><td>'.
 1124:                   $docslog{$id}{'logentry'}{'folder'}.'</td><td>');
 1125: # Before
 1126: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1127: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1128: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1129: 	    if ($oldname ne $newname) {
 1130: 		$r->print(&LONCAPA::map::qtescape($oldname));
 1131: 	    }
 1132: 	}
 1133: 	$r->print('<ul>');
 1134: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1135:             if ($docslog{$id}{'logentry'}{'before_order_res_'.$idx}) {
 1136: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'before_order_res_'.$idx}))[0]).'</li>');
 1137: 	    }
 1138: 	}
 1139: 	$r->print('</ul>');
 1140: # After
 1141:         $r->print('</td><td>');
 1142: 
 1143: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1144: 	    my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 1145: 	    my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 1146: 	    if ($oldname ne $newname) {
 1147: 		$r->print(&LONCAPA::map::qtescape($newname));
 1148: 	    }
 1149: 	}        
 1150: 	$r->print('<ul>');
 1151: 	for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 1152:             if ($docslog{$id}{'logentry'}{'after_order_res_'.$idx}) {
 1153: 		$r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'after_order_res_'.$idx}))[0]).'</li>');
 1154: 	    }
 1155: 	}
 1156: 	$r->print('</ul>');
 1157: 	if ($docslog{$id}{'logentry'}{'parameter_res'}) {
 1158: 	    $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
 1159: 	    foreach my $parameter ('randompick','hiddenresource','encrypturl') {
 1160: 		if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 1161: 		    $r->print('<li>'.
 1162: 			      &mt($lt{$parameter}.' '.$lt{$docslog{$id}{'logentry'}{'parameter_action_'.$parameter}}.' [_1]',
 1163: 				  $docslog{$id}{'logentry'}{'parameter_value_'.$parameter})
 1164: 			      .'</li>');
 1165: 		}
 1166: 	    }
 1167: 	    $r->print('</ul>');
 1168: 	}
 1169: # End
 1170:         $r->print('</td>'.&Apache::loncommon::end_data_table_row());
 1171:         $shown++;
 1172:         if (!($env{'form.show'} eq &mt('all')
 1173:               || $shown<=$env{'form.show'})) { last; }
 1174:     }
 1175:     $r->print(&Apache::loncommon::end_data_table());
 1176:     $r->print(&Apache::loncommon::end_page());
 1177: }
 1178: 
 1179: sub editor {
 1180:     my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output)=@_;
 1181:     my $errtext='';
 1182:     my $fatal=0;
 1183:     my $container='sequence';
 1184:     if ($env{'form.pagepath'}) {
 1185:         $container='page';
 1186:     }
 1187:     ($errtext,$fatal)=
 1188:               &mapread($coursenum,$coursedom,$folder.'.'.$container);
 1189:     if ($#LONCAPA::map::order<1) {
 1190: 	my $idx=&LONCAPA::map::getresidx();
 1191: 	if ($idx<=0) { $idx=1; }
 1192:        	$LONCAPA::map::order[0]=$idx;
 1193:         $LONCAPA::map::resources[$idx]='';
 1194:     }
 1195:     if (defined($env{'form.markcopy'})) {
 1196: # Mark for copying
 1197: 	my ($title,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$env{'form.markcopy'}]]);
 1198: 	$env{'form.markedcopy_title'}=$title;
 1199: 	$env{'form.markedcopy_url'}=$url;
 1200:     }
 1201:     my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain)=&breadcrumbs($folder);
 1202:     $r->print($breadcrumbtrail);
 1203:     if ($fatal) {
 1204: 	   $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1205:     } else {
 1206: # ------------------------------------------------------------ Process commands
 1207: 
 1208: # ---------------- if they are for this folder and user allowed to make changes
 1209: 	if (($allowed) && ($env{'form.folder'} eq $folder)) {
 1210: # set parameters and change order
 1211:             &snapshotbefore();
 1212: 	    if ($env{'form.changeparms'}) {
 1213: 		my $idx=$env{'form.setparms'};
 1214: # set parameters
 1215: 		if ($env{'form.randpick_'.$idx}) {
 1216: 		    &LONCAPA::map::storeparameter($idx,'parameter_randompick',$env{'form.randpick_'.$idx},'int_pos');
 1217:                     &remember_parms($idx,'randompick','set',$env{'form.randpick_'.$idx});
 1218: 		} else {
 1219: 		    &LONCAPA::map::delparameter($idx,'parameter_randompick');
 1220:                     &remember_parms($idx,'randompick','del');
 1221: 		}
 1222: 		if ($env{'form.hidprs_'.$idx}) {
 1223: 		    &LONCAPA::map::storeparameter($idx,'parameter_hiddenresource','yes','string_yesno');
 1224:                     &remember_parms($idx,'hiddenresource','set',$env{'form.hidprs_'.$idx});
 1225:  		} else {
 1226: 		    &LONCAPA::map::delparameter($idx,'parameter_hiddenresource');
 1227:                     &remember_parms($idx,'hiddenresource','del');
 1228:  		}
 1229: 		if ($env{'form.encprs_'.$idx}) {
 1230: 		    &LONCAPA::map::storeparameter($idx,'parameter_encrypturl','yes','string_yesno');
 1231:                     &remember_parms($idx,'encrypturl','set',$env{'form.encprs_'.$idx});
 1232:  		} else {
 1233: 		    &LONCAPA::map::delparameter($idx,'parameter_encrypturl');
 1234:                     &remember_parms($idx,'encrypturl','del');
 1235:  		}
 1236: # store the changed version
 1237: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1238: 		if ($fatal) {
 1239: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1240: 		    return;
 1241: 		}
 1242: 	    }
 1243: 
 1244: 	    if ($env{'form.newpos'}) {
 1245: # change order
 1246: 		my $newpos=$env{'form.newpos'}-1;
 1247: 		my $currentpos=$env{'form.currentpos'}-1;
 1248: 		my $i;
 1249: 		my @neworder=();
 1250: 		if ($newpos>$currentpos) {
 1251: # moving stuff up
 1252: 		    for ($i=0;$i<$currentpos;$i++) {
 1253: 			$neworder[$i]=$LONCAPA::map::order[$i];
 1254: 		    }
 1255: 		    for ($i=$currentpos;$i<$newpos;$i++) {
 1256: 			$neworder[$i]=$LONCAPA::map::order[$i+1];
 1257: 		    }
 1258: 		    $neworder[$newpos]=$LONCAPA::map::order[$currentpos];
 1259: 		    for ($i=$newpos+1;$i<=$#LONCAPA::map::order;$i++) {
 1260: 			$neworder[$i]=$LONCAPA::map::order[$i];
 1261: 		    }
 1262: 		} else {
 1263: # moving stuff down
 1264: 		    for ($i=0;$i<$newpos;$i++) {
 1265: 			$neworder[$i]=$LONCAPA::map::order[$i];
 1266: 		    }
 1267: 		    $neworder[$newpos]=$LONCAPA::map::order[$currentpos];
 1268: 		    for ($i=$newpos+1;$i<$currentpos+1;$i++) {
 1269: 			$neworder[$i]=$LONCAPA::map::order[$i-1];
 1270: 		    }
 1271: 		    for ($i=$currentpos+1;$i<=$#LONCAPA::map::order;$i++) {
 1272: 			$neworder[$i]=$LONCAPA::map::order[$i];
 1273: 		    }
 1274: 		}
 1275: 		@LONCAPA::map::order=@neworder;
 1276: # store the changed version
 1277: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1278: 		if ($fatal) {
 1279: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1280: 		    return;
 1281: 		}
 1282: 	    }
 1283: 		
 1284: 	    if ($env{'form.pastemarked'}) {
 1285: # paste resource to end of list
 1286:                 my $url=$env{'form.markedcopy_url'};
 1287: 		my $title=$env{'form.markedcopy_title'};
 1288: # Maps need to be copied first
 1289: 		if (($url=~/\.(page|sequence)$/) || ($url=~/^\/uploaded\//)) {
 1290: 		    $title=&mt('Copy of').' '.$title;
 1291:                     my $newid=$$.time;
 1292: 		    $url=~/^(.+)\.(\w+)$/;
 1293: 		    my $newurl=$1.$newid.'.'.$2;
 1294: 		    my $storefn=$newurl;
 1295:                     $storefn=~s/^\/\w+\/\w+\/\w+\///;
 1296: 		    &Apache::lonclonecourse::writefile
 1297: 			($env{'request.course.id'},$storefn,
 1298: 			 &Apache::lonnet::getfile($url));
 1299: 		    $url=$newurl;
 1300: 		}
 1301: 		$title=~s/\</\&lt\;/g;
 1302: 		$title=~s/\>/\&gt\;/g;
 1303: 		$title=~s/\:/\&colon;/g;
 1304: 		my $ext='false';
 1305: 		if ($url=~/^http\:\/\//) { $ext='true'; }
 1306: 		$url=~s/\:/\&colon;/g;
 1307: # Now insert the URL at the bottom
 1308:                 my $newidx=&LONCAPA::map::getresidx($url);
 1309: 		$LONCAPA::map::resources[$newidx]=
 1310: 		    $title.':'.$url.':'.$ext.':normal:res';
 1311: 		$LONCAPA::map::order[1+$#LONCAPA::map::order]=$newidx;
 1312: # Store the result
 1313: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
 1314: 		if ($fatal) {
 1315: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1316: 		    return;
 1317: 		}
 1318: 
 1319: 	    }
 1320:             $r->print($upload_output);
 1321: 	    if ($env{'form.cmd'}) {
 1322:                 my ($cmd,$idx)=split(/\_/,$env{'form.cmd'});
 1323:                 if ($cmd eq 'del') {
 1324: 		    my (undef,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$idx]]);
 1325: 		    if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
 1326: 			($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library|task)$/)) {
 1327: 			&Apache::lonnet::removeuploadedurl($url);
 1328: 		    } else {
 1329: 			&LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1330: 		    }
 1331: 		    for (my $i=$idx;$i<$#LONCAPA::map::order;$i++) {
 1332:                         $LONCAPA::map::order[$i] = $LONCAPA::map::order[$i+1];
 1333:                     }
 1334:                     $#LONCAPA::map::order--;
 1335:                 } elsif ($cmd eq 'cut') {
 1336: 		    my (undef,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$idx]]);
 1337: 		    &LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 1338: 		    for (my $i=$idx;$i<$#LONCAPA::map::order;$i++) {
 1339:                         $LONCAPA::map::order[$i] = $LONCAPA::map::order[$i+1];
 1340:                     }
 1341:                     $#LONCAPA::map::order--;
 1342:                 } elsif ($cmd eq 'up') {
 1343: 		  if (($idx) && (defined($LONCAPA::map::order[$idx-1]))) {
 1344:                     my $i=$LONCAPA::map::order[$idx-1];
 1345:                     $LONCAPA::map::order[$idx-1] = $LONCAPA::map::order[$idx];
 1346:                     $LONCAPA::map::order[$idx] = $i;
 1347: 		   }
 1348:                 } elsif ($cmd eq 'down') {
 1349: 		   if (defined($LONCAPA::map::order[$idx+1])) {
 1350:                     my $i=$LONCAPA::map::order[$idx+1];
 1351:                     $LONCAPA::map::order[$idx+1] = $LONCAPA::map::order[$idx];
 1352:                     $LONCAPA::map::order[$idx] = $i;
 1353: 		   }
 1354:                 } elsif ($cmd eq 'rename') {
 1355:                     my $ratstr = $LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 1356:                     my ($rtitle,@rrest)=split(/\:/,
 1357:                        $LONCAPA::map::resources[$LONCAPA::map::order[$idx]]);
 1358:                     my $comment=
 1359:                      &HTML::Entities::decode($env{'form.title'});
 1360:                     $comment=~s/\</\&lt\;/g;
 1361:                     $comment=~s/\>/\&gt\;/g;
 1362:                     $comment=~s/\:/\&colon;/g;
 1363: 		    if ($comment=~/\S/) {
 1364: 			$LONCAPA::map::resources[$LONCAPA::map::order[$idx]]=
 1365: 			    $comment.':'.join(':',@rrest);
 1366: 		    }
 1367: # Devalidate title cache
 1368:                     my $renamed_url=$rrest[0];
 1369: # Has the &colon;-escaping
 1370:                     $renamed_url=~s/\&colon\;/\:/g;
 1371: 		    &Apache::lonnet::devalidate_title_cache($renamed_url);
 1372:                 }
 1373: # Store the changed version
 1374: 		($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1375: 					    $folder.'.'.$container);
 1376: 		if ($fatal) {
 1377: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1378: 		    return;
 1379: 		}
 1380:             }
 1381: # Group import/search
 1382: 	    if ($env{'form.importdetail'}) {
 1383: 		my @imports;
 1384: #		&Apache::lonnet::logthis("imp detail ".$env{'form.importdetail'});
 1385: 		foreach (split(/\&/,$env{'form.importdetail'})) {
 1386: 		    if (defined($_)) {
 1387: 			my ($name,$url)=split(/\=/,$_);
 1388: 			$name=&unescape($name);
 1389: 			$url=&unescape($url);
 1390: 			push @imports, $name, $url;
 1391: 		    }
 1392: 		}
 1393: # Store the changed version
 1394: 		($errtext,$fatal)=&group_import($coursenum, $coursedom, $folder,
 1395: 					       $container,'londocs',@imports);
 1396: 		if ($fatal) {
 1397: 		    $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1398: 		    return;
 1399: 		}
 1400:             }
 1401: # Loading a complete map
 1402: 	   if ($env{'form.loadmap'}) {
 1403:                if ($env{'form.importmap'}=~/\w/) {
 1404: 	          foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
 1405: 		      my ($title,$url,$ext,$type)=split(/\:/,$_);
 1406:                       my $idx=&LONCAPA::map::getresidx($url);
 1407:                       $LONCAPA::map::resources[$idx]=$_;
 1408:                       $LONCAPA::map::order[$#LONCAPA::map::order+1]=$idx;
 1409: 	          }
 1410: # Store the changed version
 1411:   	          ($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1412: 					   $folder.'.'.$container);
 1413: 	          if ($fatal) {
 1414: 		      $r->print('<p><font color="red">'.$errtext.'</font></p>');
 1415: 		      return;
 1416: 	          }
 1417:                } else {
 1418:                    $r->print('<p><font color="red">'.&mt('No map selected.').'</font></p>');
 1419:                }
 1420:            }
 1421:            &log_differences($plain);
 1422:        }
 1423: # ---------------------------------------------------------------- End commands
 1424: # ---------------------------------------------------------------- Print screen
 1425:         my $idx=0;
 1426: 	my $shown=0;
 1427:         if (($ishidden) || ($isencrypted) || ($randompick>=0)) {
 1428:            $r->print('<p>'.&mt('Parameters').':<ul>'.
 1429:                      ($randompick>=0?'<li>'.&mt('randomly pick [_1] resources',$randompick).'</li>':'').
 1430:                      ($ishidden?'<li>'.&mt('contents hidden').'</li>':'').
 1431:                      ($isencrypted?'<li>'.&mt('URLs hidden').'</li>':'').
 1432:                      '</ul></p>');
 1433:         }                                                                                                     
 1434:         if ($randompick>=0) {
 1435:            $r->print('<p>'.&mt('Caution: this folder is set to randomly pick a subset of resources. Adding or removing resources from this folder will change the set of resources that the students see, resulting in spurious or missing credit for completed problems, not limited to ones you modify. Do not modify the contents of this folder if it is in active student use.').'</p>');
 1436:         }
 1437:         $r->print('<table>');
 1438:         foreach (@LONCAPA::map::order) {
 1439:            my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$_]);
 1440: 	   $name=&LONCAPA::map::qtescape($name);
 1441: 	   $url=&LONCAPA::map::qtescape($url);
 1442:            unless ($name) {  $name=(split(/\//,$url))[-1]; }
 1443:            unless ($name) { $idx++; next; }
 1444:            $r->print(&entryline($idx,$name,$url,$folder,$allowed,$_,$coursenum));
 1445:            $idx++;
 1446: 	   $shown++;
 1447:         }
 1448: 	unless ($shown) {
 1449: 	    $r->print('<tr><td>'.&mt('Currently no documents.').'</td></tr>');
 1450: 	}
 1451:         $r->print("\n</table>\n");
 1452: 	if ($env{'form.markedcopy_url'}) {
 1453: 	    $r->print(<<ENDPASTE);
 1454: <p><form name="pasteform" action="/adm/coursedocs" method="post">
 1455: <input type="hidden" name="markedcopy_url" value="$env{'form.markedcopy_url'}" />
 1456: <input type="hidden" name="markedcopy_title" value="$env{'form.markedcopy_title'}" />
 1457: ENDPASTE
 1458:             $r->print(
 1459: 	   '<input type="submit" name="pastemarked" value="'.&mt('Paste').
 1460: 		      '" /> '.&Apache::loncommon::filedescription(
 1461: 		(split(/\./,$env{'form.markedcopy_url'}))[-1]).': '.
 1462: 		      $env{'form.markedcopy_title'});
 1463:             if ($container eq 'page') {
 1464: 		$r->print(<<PAGEINFO);
 1465: <input type="hidden" name="pagepath" value="$env{'form.pagepath'}" />
 1466: <input type="hidden" name="pagesymb" value="$env{'form.pagesymb'}" />
 1467: PAGEINFO
 1468:             } else {
 1469: 		$r->print(<<FOLDERINFO);
 1470: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 1471: FOLDERINFO
 1472: 	    }
 1473: 	    $r->print('</form></p>');
 1474: 	}
 1475:     }
 1476: }
 1477: 
 1478: sub process_file_upload {
 1479:     my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
 1480: # upload a file, if present
 1481:     my $parseaction;
 1482:    if ($env{'form.parserflag'}) {
 1483:         $parseaction = 'parse';
 1484:     }
 1485:     my $phase_status;
 1486:     my $folder=$env{'form.folder'};
 1487:     if ($folder eq '') {
 1488:         $folder='default';
 1489:     }
 1490:     if ( ($folder=~/^$uploadcmd/) || ($uploadcmd eq 'default') ) {
 1491:         my $errtext='';
 1492:         my $fatal=0;
 1493:         my $container='sequence';
 1494:         if ($env{'form.pagepath'}) {
 1495:             $container='page';
 1496:         }
 1497:         ($errtext,$fatal)=
 1498:               &mapread($coursenum,$coursedom,$folder.'.'.$container);
 1499:         if ($#LONCAPA::map::order<1) {
 1500:             $LONCAPA::map::order[0]=1;
 1501:             $LONCAPA::map::resources[1]='';
 1502:         }
 1503:         if ($fatal) {
 1504:             return 'failed';
 1505:         }
 1506:         my $destination = 'docs/';
 1507:         if ($folder =~ /^supplemental/) {
 1508:             $destination = 'supplemental/';
 1509:         }
 1510:         if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1511:             $destination .= 'default/';
 1512:         } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1513:             $destination .=  $2.'/';
 1514:         }
 1515: # this is for a course, not a user, so set coursedoc flag
 1516: # probably the only place in the system where this should be "1"
 1517:         my $newidx=&LONCAPA::map::getresidx();
 1518:         $destination .= $newidx;
 1519:         my $url=&Apache::lonnet::userfileupload('uploaddoc',1,$destination,
 1520: 						$parseaction,$allfiles,
 1521: 						$codebase);
 1522:         my $ext='false';
 1523:         if ($url=~/^http\:\/\//) { $ext='true'; }
 1524:         $url=~s/\:/\&colon;/g;
 1525:         my $comment=$env{'form.comment'};
 1526:         $comment=~s/\</\&lt\;/g;
 1527:         $comment=~s/\>/\&gt\;/g;
 1528:         $comment=~s/\:/\&colon;/g;
 1529:         if ($folder=~/^supplemental/) {
 1530:               $comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 1531:                   $env{'user.domain'}.'___&&&___'.$comment;
 1532:         }
 1533: 
 1534:         $LONCAPA::map::resources[$newidx]=
 1535: 	    $comment.':'.$url.':'.$ext.':normal:res';
 1536:         $LONCAPA::map::order[$#LONCAPA::map::order+1]= $newidx;
 1537:         ($errtext,$fatal)=&storemap($coursenum,$coursedom,
 1538: 				    $folder.'.'.$container);
 1539:         if ($fatal) {
 1540:             $$upload_output .= '<p><font color="red">'.$errtext.'</font></p>';
 1541:             return 'failed';
 1542:         } else {
 1543:             if ($parseaction eq 'parse') {
 1544:                 my $total_embedded = keys(%{$allfiles});
 1545:                 if ($total_embedded > 0) {
 1546:                     my $num = 0;
 1547:                     $$upload_output .= 'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA.<br />
 1548:    <form name="upload_embedded" action="/adm/coursedocs"
 1549:                   method="post" enctype="multipart/form-data">
 1550:    <input type="hidden" name="folderpath" value="'.$env{'form.folderpath'}.'" />   <input type="hidden" name="cmd" value="upload_embedded" />
 1551:    <input type="hidden" name="newidx" value="'.$newidx.'" />
 1552:    <input type="hidden" name="primaryurl" value="'.&escape($url).'" />
 1553:    <input type="hidden" name="phasetwo" value="'.$total_embedded.'" />';
 1554:                     $$upload_output .= '<b>Upload embedded files</b>:<br />
 1555:    <table>';
 1556:                     foreach my $embed_file (keys(%{$allfiles})) {
 1557:                         $$upload_output .= '<tr><td>'.$embed_file.
 1558:           '<input name="embedded_item_'.$num.'" type="file" />
 1559:            <input name="embedded_orig_'.$num.'" type="hidden" value="'.&escape($embed_file).'" />';
 1560:                         my $attrib;
 1561:                         if (@{$$allfiles{$embed_file}} > 1) {
 1562:                             $attrib = join(':',@{$$allfiles{$embed_file}});
 1563:                         } else {
 1564:                             $attrib = $$allfiles{$embed_file}[0];
 1565:                         }
 1566:                         $$upload_output .=
 1567:            '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.$attrib.'" />';
 1568:                         if (exists($$codebase{$embed_file})) {
 1569:                             $$upload_output .= 
 1570:           '<input name="codebase_'.$num.'" type="hidden" value="'.&escape($$codebase{$embed_file}).'" />';
 1571:                         }
 1572:                         $$upload_output .= '</td></tr>';
 1573:                         $num ++;
 1574:                     }
 1575:                     $phase_status = 'phasetwo';
 1576:                     $$upload_output .= '</table><br />
 1577:    <input type ="submit" value="Complete upload" />
 1578:    </form>';
 1579:                 } else {
 1580:                     $$upload_output .= 'No embedded items identified<br />';
 1581:                 }
 1582:             }
 1583:         }
 1584:     }
 1585:     return $phase_status;
 1586: }
 1587: 
 1588: sub process_secondary_uploads {
 1589:     my ($upload_output,$coursedom,$coursenum,$formname,$num,$newidx) = @_;
 1590:     my $folder=$env{'form.folder'};
 1591:     my $destination = 'docs/';
 1592:     if ($folder =~ /^supplemental/) {
 1593:         $destination = 'supplemental/';
 1594:     }
 1595:     if (($folder eq 'default') || ($folder eq 'supplemental')) {
 1596:         $destination .= 'default/';
 1597:     } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
 1598:         $destination .=  $2.'/';
 1599:     }
 1600:     $destination .= $newidx;
 1601:     my ($url,$filename);
 1602:     $url=&Apache::lonnet::userfileupload($formname.$num,1,$destination);
 1603:     ($filename) = ($url =~ m-^/uploaded/$coursedom/$coursenum/$destination/(.+)$-);
 1604:     return $filename;
 1605: }
 1606: 
 1607: # --------------------------------------------------------------- An entry line
 1608: 
 1609: sub entryline {
 1610:     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;
 1611:     $title=~s/\&colon\;/\:/g;
 1612:     $title=&HTML::Entities::encode(&HTML::Entities::decode(
 1613:      &unescape($title)),'"<>&\'');
 1614:     my $renametitle=$title;
 1615:     my $foldertitle=$title;
 1616:     my $pagetitle=$title;
 1617:     my $orderidx=$LONCAPA::map::order[$index];
 1618:     if ($title=~ /^(\d+)___&amp;&amp;&amp;___(\w+)___&amp;&amp;&amp;___(\w+)___&amp;&amp;&amp;___(.*)$/	) { 
 1619: 	$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
 1620: 	$renametitle=$4;
 1621: 	$title='<i>'.&Apache::lonlocal::locallocaltime($1).'</i> '.
 1622: 	    &Apache::loncommon::plainname($2,$3).': <br />'.
 1623: 	    $foldertitle;
 1624:     }
 1625:     $renametitle=~s/\\/\\\\/g;
 1626:     $renametitle=~s/\&quot\;/\\\"/g;
 1627:     my $line='<tr>';
 1628: # Edit commands
 1629:     my $container;
 1630:     my $folderpath;
 1631:     if ($env{'form.folderpath'}) {
 1632:         $container = 'sequence';
 1633: 	$folderpath=&escape($env{'form.folderpath'});
 1634: 	# $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
 1635:     }
 1636:     my ($pagepath,$pagesymb);
 1637:     if ($env{'form.pagepath'}) {
 1638:         $container = 'page';
 1639:         $pagepath=&escape($env{'form.pagepath'});
 1640:         $pagesymb=&escape($env{'form.pagesymb'});
 1641:     }
 1642:     my $cpinfo='';
 1643:     if ($env{'form.markedcopy_url'}) {
 1644:        $cpinfo='&markedcopy_url='.
 1645:                &escape($env{'form.markedcopy_url'}).
 1646:                '&markedcopy_title='.
 1647:                &escape($env{'form.markedcopy_title'});
 1648:     }
 1649:     if ($allowed) {
 1650: 	my $incindex=$index+1;
 1651: 	my $selectbox='';
 1652: 	if (($folder!~/^supplemental/) &&
 1653: 	    ($#LONCAPA::map::order>0) && 
 1654: 	    ((split(/\:/,
 1655: 	     $LONCAPA::map::resources[$LONCAPA::map::order[0]]))[1] 
 1656: 	     ne '') && 
 1657: 	    ((split(/\:/,
 1658: 	     $LONCAPA::map::resources[$LONCAPA::map::order[1]]))[1] 
 1659: 	     ne '')) {
 1660: 	    $selectbox=
 1661: 		'<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
 1662: 		'<select name="newpos" onChange="this.form.submit()">';
 1663: 	    for (my $i=1;$i<=$#LONCAPA::map::order+1;$i++) {
 1664: 		if ($i==$incindex) {
 1665: 		    $selectbox.='<option value="" selected="1">('.$i.')</option>';
 1666: 		} else {
 1667: 		    $selectbox.='<option value="'.$i.'">'.$i.'</option>';
 1668: 		}
 1669: 	    }
 1670: 	    $selectbox.='</select>';
 1671: 	}
 1672: 	my %lt=&Apache::lonlocal::texthash(
 1673:                 'up' => 'Move Up',
 1674: 		'dw' => 'Move Down',
 1675: 		'rm' => 'Remove',
 1676:                 'ct' => 'Cut',
 1677: 		'rn' => 'Rename',
 1678: 		'cp' => 'Copy');
 1679: 	my $nocopy=0;
 1680:         if ($url=~/\.(page|sequence)$/) {
 1681: 	    foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url))) {
 1682: 		my ($title,$url,$ext,$type)=split(/\:/,$_);
 1683: 		if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
 1684: 		    $nocopy=1;
 1685: 		    last;
 1686: 		}
 1687: 	    }
 1688: 	}
 1689:         my $copylink='&nbsp;';
 1690:         if ($env{'form.pagepath'}) {
 1691:            unless ($nocopy) {
 1692:                $copylink=(<<ENDCOPY);
 1693: <a href='javascript:markcopy("$pagepath","$index","$renametitle","page","$pagesymb");'>
 1694: <font size="-2" color="#000099">$lt{'cp'}</font></a></td>
 1695: ENDCOPY
 1696:             }
 1697:             $line.=(<<END);
 1698: <form name="entry_$index" action="/adm/coursedocs" method="post">
 1699: <input type="hidden" name="pagepath" value="$env{'form.pagepath'}" />
 1700: <input type="hidden" name="pagesymb" value="$env{'form.pagesymb'}" />
 1701: <input type="hidden" name="markedcopy_url" value="$env{'form.markedcopy_url'}" />
 1702: <input type="hidden" name="markedcopy_title" value="$env{'form.markedcopy_title'}" />
 1703: <input type="hidden" name="setparms" value="$orderidx" />
 1704: <input type="hidden" name="changeparms" value="0" />
 1705: <td><table border='0' cellspacing='2' cellpadding='0'>
 1706: <tr><td bgcolor="#DDDDDD">
 1707: <a href='/adm/coursedocs?cmd=up_$index&pagepath=$pagepath&pagesymb=$pagesymb$cpinfo'>
 1708: <img src="${iconpath}move_up.gif" alt='$lt{'up'}' border='0' /></a></td></tr>
 1709: <tr><td bgcolor="#DDDDDD">
 1710: <a href='/adm/coursedocs?cmd=down_$index&pagepath=$pagepath&pagesymb=$pagesymb$cpinfo'>
 1711: <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' border='0' /></a></td></tr>
 1712: </table></td>
 1713: <td>$selectbox
 1714: </td><td bgcolor="#DDDDDD">
 1715: <a href='javascript:removeres("$pagepath","$index","$renametitle","page","$pagesymb");'>
 1716: <font size="-2" color="#990000">$lt{'rm'}</font></a>
 1717: <a href='javascript:cutres("$pagepath","$index","$renametitle","page","$pagesymb");'>
 1718: <font size="-2" color="#550044">$lt{'ct'}</font></a>
 1719: <a href='javascript:changename("$pagepath","$index","$renametitle","page","$pagesymb");'>
 1720: <font size="-2" color="#009900">$lt{'rn'}</font></a>
 1721: $copylink
 1722: END
 1723:         } else {
 1724:            unless ($nocopy) {
 1725:                $copylink=(<<ENDCOPY);
 1726: <a href='javascript:markcopy("$folderpath","$index","$renametitle","sequence");'>
 1727: <font size="-2" color="#000099">$lt{'cp'}</font></a></td>
 1728: ENDCOPY
 1729:             }
 1730:             $line.=(<<END); 
 1731: <form name="entry_$index" action="/adm/coursedocs" method="post">
 1732: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 1733: <input type="hidden" name="markedcopy_url" value="$env{'form.markedcopy_url'}" />
 1734: <input type="hidden" name="markedcopy_title" value="$env{'form.markedcopy_title'}" />
 1735: <input type="hidden" name="setparms" value="$orderidx" />
 1736: <input type="hidden" name="changeparms" value="0" />
 1737: <td><table border='0' cellspacing='2' cellpadding='0'>
 1738: <tr><td bgcolor="#DDDDDD">
 1739: <a href='/adm/coursedocs?cmd=up_$index&folderpath=$folderpath$cpinfo'>
 1740: <img src="${iconpath}move_up.gif" alt='$lt{'up'}' border='0' /></a></td></tr>
 1741: <tr><td bgcolor="#DDDDDD">
 1742: <a href='/adm/coursedocs?cmd=down_$index&folderpath=$folderpath$cpinfo'>
 1743: <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' border='0' /></a></td></tr>
 1744: </table></td>
 1745: <td>$selectbox
 1746: </td><td bgcolor="#DDDDDD">
 1747: <a href='javascript:removeres("$folderpath","$index","$renametitle","sequence");'>
 1748: <font size="-2" color="#990000">$lt{'rm'}</font></a>
 1749: <a href='javascript:cutres("$folderpath","$index","$renametitle","sequence");'>
 1750: <font size="-2" color="#550044">$lt{'ct'}</font></a>
 1751: <a href='javascript:changename("$folderpath","$index","$renametitle","sequence");'>
 1752: <font size="-2" color="#009900">$lt{'rn'}</font></a>
 1753: $copylink
 1754: END
 1755:         }
 1756:     }
 1757: # Figure out what kind of a resource this is
 1758:     my ($extension)=($url=~/\.(\w+)$/);
 1759:     my $uploaded=($url=~/^\/*uploaded\//);
 1760:     my $icon=&Apache::loncommon::icon($url);
 1761:     my $isfolder=0;
 1762:     my $ispage=0;
 1763:     my $folderarg;
 1764:     my $pagearg;
 1765:     my $pagefile;
 1766:     if ($uploaded) {
 1767: 	if ($extension eq 'sequence') {
 1768: 	    $icon=$iconpath.'/folder_closed.gif';
 1769: 	    $url=~/$coursenum\/([\/\w]+)\.sequence$/;
 1770: 	    $url='/adm/coursedocs?';
 1771: 	    $folderarg=$1;
 1772: 	    $isfolder=1;
 1773:         } elsif ($extension eq 'page') {
 1774:             $icon=$iconpath.'/page.gif';
 1775:             $url=~/$coursenum\/([\/\w]+)\.page$/;
 1776:             $pagearg=$1;
 1777:             $url='/adm/coursedocs?';
 1778:             $ispage=1;
 1779: 	} else {
 1780: 	    &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
 1781: 	}
 1782:     }
 1783:     $url=~s-^http(\&colon\;|:)//-/adm/wrapper/ext/-;
 1784:     if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
 1785: 	my $symb=&Apache::lonnet::symbclean(
 1786:           &Apache::lonnet::declutter('uploaded/'.
 1787:            $env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1788:            $env{'course.'.$env{'request.course.id'}.'.num'}.'/'.$folder.
 1789:            '.sequence').
 1790:            '___'.$residx.'___'.
 1791: 	   &Apache::lonnet::declutter($url));
 1792: 	(undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
 1793: 	$url=&Apache::lonnet::clutter($url);
 1794: 	if ($url=~/^\/*uploaded\//) {
 1795: 	    $url=~/\.(\w+)$/;
 1796: 	    my $embstyle=&Apache::loncommon::fileembstyle($1);
 1797: 	    if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
 1798: 		$url='/adm/wrapper'.$url;
 1799: 	    } elsif ($embstyle eq 'ssi') {
 1800: 		#do nothing with these
 1801: 	    } elsif ($url!~/\.(sequence|page)$/) {
 1802: 		$url='/adm/coursedocs/showdoc'.$url;
 1803: 	    }
 1804: 	} elsif ($url=~m|^/ext/|) { 
 1805: 	    $url='/adm/wrapper'.$url;
 1806: 	}
 1807:         if (&Apache::lonnet::symbverify($symb,$url)) {
 1808: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 1809:         } else {
 1810:             $url='';
 1811:         }
 1812: 	if ($container eq 'page') {
 1813: 	    my $symb=$env{'form.pagesymb'};
 1814: 	    	    
 1815: 	    $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
 1816: 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 1817: 	}
 1818:     }
 1819:     my $parameterset='&nbsp;';
 1820:     if ($isfolder || $extension eq 'sequence') {
 1821: 	my $foldername=&escape($foldertitle);
 1822: 	my $folderpath=$env{'form.folderpath'};
 1823: 	if ($folderpath) { $folderpath.='&' };
 1824: # Append randompick number, hidden, and encrypted with ":" to foldername, 
 1825: # so it gets transferred between levels
 1826: 	$folderpath.=$folderarg.'&'.$foldername.':'.(&LONCAPA::map::getparameter($orderidx,
 1827:                                               'parameter_randompick'))[0]
 1828:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1829:                                               'parameter_hiddenresource'))[0]=~/^yes$/i)
 1830:                                                .':'.((&LONCAPA::map::getparameter($orderidx,
 1831:                                               'parameter_encrypturl'))[0]=~/^yes$/i);
 1832: 	$url.='folderpath='.&escape($folderpath).$cpinfo;
 1833: 	$parameterset='<label>'.&mt('Randomly Pick: ').
 1834: 	    '<input type="text" size="4" onChange="this.form.changeparms.value=1;this.form.submit()" name="randpick_'.$orderidx.'" value="'.
 1835: 	    (&LONCAPA::map::getparameter($orderidx,
 1836:                                               'parameter_randompick'))[0].
 1837:                                               '" />'.
 1838: '<font size="-2"><a href="javascript:void(0)">'.&mt('Store').'</a></font></label>';
 1839:        
 1840:     }
 1841:     if ($ispage) {
 1842:         my $pagename=&escape($pagetitle);
 1843:         my $pagepath;
 1844:         my $folderpath=$env{'form.folderpath'};
 1845:         if ($folderpath) { $pagepath = $folderpath.'&' };
 1846:         $pagepath.=$pagearg.'&'.$pagename;
 1847: 	my $symb=$env{'form.pagesymb'};
 1848: 	if (!$symb) {
 1849: 	    my $path='uploaded/'.
 1850: 		$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
 1851: 		$env{'course.'.$env{'request.course.id'}.'.num'}.'/';
 1852: 	    $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
 1853: 					       $residx,
 1854: 					       $path.$pagearg.'.page');
 1855: 	}
 1856: 	$url.='pagepath='.&escape($pagepath).
 1857: 	    '&pagesymb='.&escape($symb).$cpinfo;
 1858:     }
 1859:     $line.='<td bgcolor="#FFFFBB"><a href="'.$url.'"><img src="'.$icon.
 1860: 	'" border="0"></a></td>'.
 1861:         "<td bgcolor='#FFFFBB'>".($url?"<a href=\"$url\">":'').$title.
 1862:         ($url?'</a>':' <font size="-2">'.&mt('(re-initialize course to access)').'</font>')."</td>";
 1863:     if (($allowed) && ($folder!~/^supplemental/)) {
 1864:  	my %lt=&Apache::lonlocal::texthash(
 1865:  			      'hd' => 'Hidden',
 1866:  			      'ec' => 'URL hidden');
 1867: 	my $enctext=
 1868: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
 1869: 	my $hidtext=
 1870: 	    ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':'');
 1871: 	$line.=(<<ENDPARMS);
 1872: <td bgcolor="#BBBBFF"><font size='-2'>
 1873: <nobr><label><input type="checkbox" name="hidprs_$orderidx" onClick="this.form.changeparms.value=1;this.form.submit()" $hidtext /> $lt{'hd'}</label></nobr></td>
 1874: <td bgcolor="#BBBBFF"><font size='-2'>
 1875: <nobr><label><input type="checkbox" name="encprs_$orderidx" onClick="this.form.changeparms.value=1;this.form.submit()" $enctext /> $lt{'ec'}</label></nobr></td>
 1876: <td bgcolor="#BBBBFF"><font size="-2">$parameterset</font></td>
 1877: ENDPARMS
 1878:     }
 1879:     $line.="</form></tr>";
 1880:     return $line;
 1881: }
 1882: 
 1883: # ---------------------------------------------------------------- tie the hash
 1884: 
 1885: sub tiehash {
 1886:     my ($mode)=@_;
 1887:     $hashtied=0;
 1888:     if ($env{'request.course.fn'}) {
 1889: 	if ($mode eq 'write') {
 1890: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 1891: 		    &GDBM_WRCREAT(),0640)) {
 1892:                 $hashtied=2;
 1893: 	    }
 1894: 	} else {
 1895: 	    if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
 1896: 		    &GDBM_READER(),0640)) {
 1897:                 $hashtied=1;
 1898: 	    }
 1899: 	}
 1900:     }    
 1901: }
 1902: 
 1903: sub untiehash {
 1904:     if ($hashtied) { untie %hash; }
 1905:     $hashtied=0;
 1906:     return OK;
 1907: }
 1908: 
 1909: # --------------------------------------------------------------- check on this
 1910: 
 1911: sub checkonthis {
 1912:     my ($r,$url,$level,$title)=@_;
 1913:     $url=&unescape($url);
 1914:     $alreadyseen{$url}=1;
 1915:     $r->rflush();
 1916:     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
 1917:        $r->print("\n<br />");
 1918:        for (my $i=0;$i<=$level*5;$i++) {
 1919:            $r->print('&nbsp;');
 1920:        }
 1921:        $r->print('<a href="'.$url.'" target="cat">'.
 1922: 		 ($title?$title:$url).'</a> ');
 1923:        if ($url=~/^\/res\//) {
 1924: 	  my $result=&Apache::lonnet::repcopy(
 1925:                               &Apache::lonnet::filelocation('',$url));
 1926:           if ($result eq 'ok') {
 1927:              $r->print('<font color="green">'.&mt('ok').'</font>');
 1928:              $r->rflush();
 1929:              &Apache::lonnet::countacc($url);
 1930:              $url=~/\.(\w+)$/;
 1931:              if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
 1932: 		 $r->print('<br />');
 1933:                  $r->rflush();
 1934:                  for (my $i=0;$i<=$level*5;$i++) {
 1935:                      $r->print('&nbsp;');
 1936:                  }
 1937:                  $r->print('- '.&mt('Rendering').': ');
 1938: 		 my ($errorcount,$warningcount)=split(/:/,
 1939: 	       &Apache::lonnet::ssi_body($url,
 1940: 			       ('grade_target'=>'web',
 1941: 				'return_only_error_and_warning_counts' => 1)));
 1942:                  if (($errorcount) ||
 1943:                      ($warningcount)) {
 1944: 		     if ($errorcount) {
 1945:                         $r->print('<img src="/adm/lonMisc/bomb.gif" /><font color="red"><b>'.
 1946: 			  $errorcount.' '.
 1947: 				  &mt('error(s)').'</b></font> ');
 1948:                      }
 1949: 		     if ($warningcount) {
 1950:                         $r->print('<font color="blue">'.
 1951: 			  $warningcount.' '.
 1952: 				  &mt('warning(s)').'</font>');
 1953:                      }
 1954:                  } else {
 1955:                      $r->print('<font color="green">'.&mt('ok').'</font>');
 1956:                  }
 1957:                  $r->rflush();
 1958:              }
 1959: 	     my $dependencies=
 1960:                 &Apache::lonnet::metadata($url,'dependencies');
 1961:              foreach (split(/\,/,$dependencies)) {
 1962: 		 if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {
 1963:                     &checkonthis($r,$_,$level+1);
 1964:                  }
 1965:              }
 1966:           } elsif ($result eq 'unavailable') {
 1967:              $r->print('<font color="red"><b>'.&mt('connection down').'</b></font>');
 1968:           } elsif ($result eq 'not_found') {
 1969: 	      unless ($url=~/\$/) {
 1970: 		  $r->print('<font color="red"><b>'.&mt('not found').'</b></font>');
 1971: 	      } else {
 1972: 		  $r->print('<font color="yellow"><b>'.&mt('unable to verify variable URL').'</b></font>');
 1973: 	      }
 1974:           } else {
 1975:              $r->print('<font color="red"><b>'.&mt('access denied').'</b></font>');
 1976:           }
 1977:       }
 1978:    }
 1979: }
 1980: 
 1981: 
 1982: #
 1983: # ----------------------------------------------------------------- List Symbs
 1984: # 
 1985: sub list_symbs {
 1986:     my ($r) = @_;
 1987: 
 1988:     $r->print(&Apache::loncommon::start_page('Symb List'));
 1989:     my $navmap = Apache::lonnavmaps::navmap->new();
 1990:     $r->print("<pre>\n");
 1991:     foreach my $res ($navmap->retrieveResources()) {
 1992: 	$r->print($res->compTitle()."\t".$res->symb()."\n");
 1993:     }
 1994:     $r->print("\n</pre>\n");
 1995:     $r->print('<a href="/adm/coursedocs">'.&mt('Return to DOCS').'</a>');
 1996: }
 1997: 
 1998: 
 1999: #
 2000: # -------------------------------------------------------------- Verify Content
 2001: # 
 2002: sub verifycontent {
 2003:     my ($r) = @_;
 2004:     my $type = &Apache::loncommon::course_type();
 2005:    my $loaderror=&Apache::lonnet::overloaderror($r);
 2006:    if ($loaderror) { return $loaderror; }
 2007:    $r->print(&Apache::loncommon::start_page('Verify '.$type.' Documents'));
 2008:    $hashtied=0;
 2009:    undef %alreadyseen;
 2010:    %alreadyseen=();
 2011:    &tiehash();
 2012:    foreach (keys %hash) {
 2013:        if ($hash{$_}=~/\.(page|sequence)$/) {
 2014: 	   if (($_=~/^src_/) && ($alreadyseen{&unescape($hash{$_})})) {
 2015: 	       $r->print('<hr /><font color="red">'.
 2016: 			 &mt('The following sequence or page is included more than once in your '.$type.': ').
 2017: 			 &unescape($hash{$_}).'</font><br />'.
 2018: 			 &mt('Note that grading records for problems included in this sequence or folder will overlap.<hr />'));
 2019: 	   }
 2020:        }
 2021:        if (($_=~/^src\_(.+)$/) && (!$alreadyseen{&unescape($hash{$_})})) {
 2022:            &checkonthis($r,$hash{$_},0,$hash{'title_'.$1});
 2023:        }
 2024:    }
 2025:    &untiehash();
 2026:    $r->print('<h1>'.&mt('Done').'.</h1>'.'<a href="/adm/coursedocs">'.
 2027: 	     &mt('Return to DOCS').'</a>');
 2028: }
 2029: 
 2030: 
 2031: # -------------------------------------------------------------- Check Versions
 2032: 
 2033: sub devalidateversioncache {
 2034:     my $src=shift;
 2035:     &Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
 2036: 					  &Apache::lonnet::clutter($src));
 2037: }
 2038: 
 2039: sub checkversions {
 2040:     my ($r) = @_;
 2041:     my $type = &Apache::loncommon::course_type();
 2042:     $r->print(&Apache::loncommon::start_page("Check $type Document Versions"));
 2043:     my $header='';
 2044:     my $startsel='';
 2045:     my $monthsel='';
 2046:     my $weeksel='';
 2047:     my $daysel='';
 2048:     my $allsel='';
 2049:     my %changes=();
 2050:     my $starttime=0;
 2051:     my $haschanged=0;
 2052:     my %setversions=&Apache::lonnet::dump('resourceversions',
 2053: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2054: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2055: 
 2056:     $hashtied=0;
 2057:     &tiehash();
 2058:     my %newsetversions=();
 2059:     if ($env{'form.setmostrecent'}) {
 2060: 	$haschanged=1;
 2061: 	foreach (keys %hash) {
 2062: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 2063: 		$newsetversions{$1}='mostrecent';
 2064:                 &devalidateversioncache($1);
 2065: 	    }
 2066: 	}
 2067:     } elsif ($env{'form.setcurrent'}) {
 2068: 	$haschanged=1;
 2069: 	foreach (keys %hash) {
 2070: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 2071: 		my $getvers=&Apache::lonnet::getversion($1);
 2072: 		if ($getvers>0) {
 2073: 		    $newsetversions{$1}=$getvers;
 2074: 		    &devalidateversioncache($1);
 2075: 		}
 2076: 	    }
 2077: 	}
 2078:     } elsif ($env{'form.setversions'}) {
 2079: 	$haschanged=1;
 2080: 	foreach (keys %env) {
 2081: 	    if ($_=~/^form\.set_version_(.+)$/) {
 2082: 		my $src=$1;
 2083: 		if (($env{$_}) && ($env{$_} ne $setversions{$src})) {
 2084: 		    $newsetversions{$src}=$env{$_};
 2085: 		    &devalidateversioncache($src);
 2086: 		}
 2087: 	    }
 2088: 	}
 2089:     }
 2090:     if ($haschanged) {
 2091:         if (&Apache::lonnet::put('resourceversions',\%newsetversions,
 2092: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2093: 			  $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {		
 2094: 	    $r->print('<h1>'.&mt('Your Version Settings have been Stored').'</h1>');
 2095: 	} else {
 2096: 	    $r->print('<h1><font color="red">'.&mt('An Error Occured while Attempting to Store your Version Settings').'</font></h1>');
 2097: 	}
 2098: 	&mark_hash_old();
 2099:     }
 2100:     &changewarning($r,'');
 2101:     if ($env{'form.timerange'} eq 'all') {
 2102: # show all documents
 2103: 	$header=&mt('All Documents in '.$type);
 2104: 	$allsel=1;
 2105: 	foreach (keys %hash) {
 2106: 	    if ($_=~/^ids\_(\/res\/.+)$/) {
 2107: 		my $src=$1;
 2108: 		$changes{$src}=1;
 2109: 	    }
 2110: 	}
 2111:     } else {
 2112: # show documents which changed
 2113: 	%changes=&Apache::lonnet::dump
 2114: 	 ('versionupdate',$env{'course.'.$env{'request.course.id'}.'.domain'},
 2115:                      $env{'course.'.$env{'request.course.id'}.'.num'});
 2116: 	my $firstkey=(keys %changes)[0];
 2117: 	unless ($firstkey=~/^error\:/) {
 2118: 	    unless ($env{'form.timerange'}) {
 2119: 		$env{'form.timerange'}=604800;
 2120: 	    }
 2121: 	    my $seltext=&mt('during the last').' '.$env{'form.timerange'}.' '
 2122: 		.&mt('seconds');
 2123: 	    if ($env{'form.timerange'}==-1) {
 2124: 		$seltext='since start of course';
 2125: 		$startsel='selected';
 2126: 		$env{'form.timerange'}=time;
 2127: 	    }
 2128: 	    $starttime=time-$env{'form.timerange'};
 2129: 	    if ($env{'form.timerange'}==2592000) {
 2130: 		$seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2131: 		$monthsel='selected';
 2132: 	    } elsif ($env{'form.timerange'}==604800) {
 2133: 		$seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2134: 		$weeksel='selected';
 2135: 	    } elsif ($env{'form.timerange'}==86400) {
 2136: 		$seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
 2137: 		$daysel='selected';
 2138: 	    }
 2139: 	    $header=&mt('Content changed').' '.$seltext;
 2140: 	} else {
 2141: 	    $header=&mt('No content modifications yet.');
 2142: 	}
 2143:     }
 2144:     %setversions=&Apache::lonnet::dump('resourceversions',
 2145: 			  $env{'course.'.$env{'request.course.id'}.'.domain'},
 2146: 			  $env{'course.'.$env{'request.course.id'}.'.num'});
 2147:     my %lt=&Apache::lonlocal::texthash
 2148: 	      ('st' => 'Version changes since start of '.$type,
 2149: 	       'lm' => 'Version changes since last Month',
 2150: 	       'lw' => 'Version changes since last Week',
 2151: 	       'sy' => 'Version changes since Yesterday',
 2152:                'al' => 'All Resources (possibly large output)',
 2153: 	       'sd' => 'Display',
 2154: 	       'fi' => 'File',
 2155: 	       'md' => 'Modification Date',
 2156:                'mr' => 'Most recently published Version',
 2157: 	       've' => 'Version used in '.$type,
 2158:                'vu' => 'Set Version to be used in '.$type,
 2159: 'sv' => 'Set Versions to be used in '.$type.' according to Selections below',
 2160: 'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
 2161: 'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
 2162: 	       'di' => 'Differences');
 2163:     $r->print(<<ENDHEADERS);
 2164: <form action="/adm/coursedocs" method="post">
 2165: <input type="hidden" name="versions" value="1" />
 2166: <input type="submit" name="setmostrecent" value="$lt{'sm'}" />
 2167: <input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />
 2168: <select name="timerange">
 2169: <option value='all' $allsel>$lt{'al'}</option>
 2170: <option value="-1" $startsel>$lt{'st'}</option>
 2171: <option value="2592000" $monthsel>$lt{'lm'}</option>
 2172: <option value="604800" $weeksel>$lt{'lw'}</option>
 2173: <option value="86400" $daysel>$lt{'sy'}</option>
 2174: </select>
 2175: <input type="submit" name="display" value="$lt{'sd'}" />
 2176: <h3>$header</h3>
 2177: <input type="submit" name="setversions" value="$lt{'sv'}" />
 2178: <table border="0">
 2179: ENDHEADERS
 2180:     foreach (sort keys %changes) {
 2181: 	if ($changes{$_}>$starttime) {
 2182: 	    my ($root,$extension)=($_=~/^(.*)\.(\w+)$/);
 2183: 	    my $currentversion=&Apache::lonnet::getversion($_);
 2184: 	    if ($currentversion<0) {
 2185: 		$currentversion=&mt('Could not be determined.');
 2186: 	    }
 2187: 	    my $linkurl=&Apache::lonnet::clutter($_);
 2188: 	    $r->print(
 2189: 		      '<tr><td colspan="5"><br /><br /><font size="+1"><b>'.
 2190: 		      &Apache::lonnet::gettitle($linkurl).
 2191:                       '</b></font></td></tr>'.
 2192:                       '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.
 2193:                       '<td colspan="4">'.
 2194:                       '<a href="'.$linkurl.'" target="cat">'.$linkurl.
 2195: 		      '</a></td></tr>'.
 2196:                       '<tr><td></td>'.
 2197:                       '<td title="'.$lt{'md'}.'">'.
 2198: 		      &Apache::lonlocal::locallocaltime(
 2199:                            &Apache::lonnet::metadata($root.'.'.$extension,
 2200:                                                      'lastrevisiondate')
 2201:                                                         ).
 2202:                       '</td>'.
 2203:                       '<td title="'.$lt{'mr'}.'"><nobr>Most Recent: '.
 2204:                       '<font size="+1">'.$currentversion.'</font>'.
 2205:                       '</nobr></td>'.
 2206:                       '<td title="'.$lt{'ve'}.'"><nobr>In '.$type.': '.
 2207:                       '<font size="+1">');
 2208: # Used in course
 2209: 	    my $usedversion=$hash{'version_'.$linkurl};
 2210: 	    if (($usedversion) && ($usedversion ne 'mostrecent')) {
 2211: 		$r->print($usedversion);
 2212: 	    } else {
 2213: 		$r->print($currentversion);
 2214: 	    }
 2215: 	    $r->print('</font></nobr></td><td title="'.$lt{'vu'}.'">'.
 2216:                       '<nobr>Use: ');
 2217: # Set version
 2218: 	    $r->print(&Apache::loncommon::select_form($setversions{$linkurl},
 2219: 						      'set_version_'.$linkurl,
 2220: 						      ('select_form_order' =>
 2221: 						       ['',1..$currentversion,'mostrecent'],
 2222: 						       '' => '',
 2223: 						       'mostrecent' => 'most recent',
 2224: 						       map {$_,$_} (1..$currentversion))));
 2225: 	    $r->print('</nobr></td></tr><tr><td></td>');
 2226: 	    my $lastold=1;
 2227: 	    for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
 2228: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2229: 		if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
 2230: 		    $starttime) {
 2231: 		    $lastold=$prevvers;
 2232: 		}
 2233: 	    }
 2234:             # 
 2235:             # Code to figure out how many version entries should go in
 2236:             # each of the four columns
 2237:             my $entries_per_col = 0;
 2238:             my $num_entries = ($currentversion-$lastold);
 2239:             if ($num_entries % 4 == 0) {
 2240:                 $entries_per_col = $num_entries/4;
 2241:             } else {
 2242:                 $entries_per_col = $num_entries/4 + 1;
 2243:             }
 2244:             my $entries_count = 0;
 2245:             $r->print('<td valign="top"><font size="-2">'); 
 2246:             my $cols_output = 1;
 2247:             for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
 2248: 		my $url=$root.'.'.$prevvers.'.'.$extension;
 2249: 		$r->print('<nobr><a href="'.&Apache::lonnet::clutter($url).
 2250: 			  '">'.&mt('Version').' '.$prevvers.'</a> ('.
 2251: 			  &Apache::lonlocal::locallocaltime(
 2252:                                 &Apache::lonnet::metadata($url,
 2253:                                                           'lastrevisiondate')
 2254:                                                             ).
 2255: 			  ')');
 2256: 		if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
 2257:                     $r->print(' <a href="/adm/diff?filename='.
 2258: 			      &Apache::lonnet::clutter($root.'.'.$extension).
 2259: 			      '&versionone='.$prevvers.
 2260: 			      '">'.&mt('Diffs').'</a>');
 2261: 		}
 2262: 		$r->print('</nobr><br />');
 2263:                 if (++$entries_count % $entries_per_col == 0) {
 2264:                     $r->print('</font></td>');
 2265:                     if ($cols_output != 4) {
 2266:                         $r->print('<td valign="top"><font size="-2">');
 2267:                         $cols_output++;
 2268:                     }
 2269:                 }
 2270: 	    }
 2271:             while($cols_output++ < 4) {
 2272:                 $r->print('</font></td><td><font>')
 2273:             }
 2274: 	    $r->print('</font></td></tr>'."\n");
 2275: 	}
 2276:     }
 2277:     $r->print('</table></form>');
 2278:     $r->print('<h1>'.&mt('Done').'.</h1>');
 2279: 
 2280:     &untiehash();
 2281: }
 2282: 
 2283: sub mark_hash_old {
 2284:     my $retie_hash=0;
 2285:     if ($hashtied) {
 2286: 	$retie_hash=1;
 2287: 	&untiehash();
 2288:     }
 2289:     &tiehash('write');
 2290:     $hash{'old'}=1;
 2291:     &untiehash();
 2292:     if ($retie_hash) { &tiehash(); }
 2293: }
 2294: 
 2295: sub is_hash_old {
 2296:     my $untie_hash=0;
 2297:     if (!$hashtied) {
 2298: 	$untie_hash=1;
 2299: 	&tiehash();
 2300:     }
 2301:     my $return=$hash{'old'};
 2302:     if ($untie_hash) { &untiehash(); }
 2303:     return $return;
 2304: }
 2305: 
 2306: sub changewarning {
 2307:     my ($r,$postexec,$message,$url)=@_;
 2308:     if (!&is_hash_old()) { return; }
 2309:     my $pathvar='folderpath';
 2310:     my $path=&escape($env{'form.folderpath'});
 2311:     if (!defined($url)) {
 2312: 	if (defined($env{'form.pagepath'})) {
 2313: 	    $pathvar='pagepath';
 2314: 	    $path=&escape($env{'form.pagepath'});
 2315: 	    $path.='&amp;pagesymb='.&escape($env{'form.pagesymb'});
 2316: 	}
 2317: 	$url='/adm/coursedocs?'.$pathvar.'='.$path;
 2318:     }
 2319:     my $course_type = &Apache::loncommon::course_type();
 2320:     if (!defined($message)) {
 2321: 	$message='Changes will become active for your current session after [_1], or the next time you log in.';
 2322:     }
 2323:     $r->print("\n\n".
 2324: '<script>function reinit(tf) { tf.submit();'.$postexec.' }</script>'."\n". 
 2325: '<form name="reinitform" method="post" action="/adm/roles" target="loncapaclient">'.
 2326: '<input type="hidden" name="orgurl" value="'.$url.
 2327: '" /><input type="hidden" name="selectrole" value="1" /><h3><font color="red">'.
 2328: &mt($message,' <input type="hidden" name="'.
 2329:     $env{'request.role'}.'" value="1" /><input type="button" value="'.
 2330:     &mt('re-initializing '.$course_type).'" onClick="reinit(this.form)" />').
 2331: $help{'Caching'}.'</font></h3></form>'."\n\n");
 2332: }
 2333: 
 2334: # ================================================================ Main Handler
 2335: sub handler {
 2336:     my $r = shift;
 2337:     &Apache::loncommon::content_type($r,'text/html');
 2338:     $r->send_http_header;
 2339:     return OK if $r->header_only;
 2340:     my $type = &Apache::loncommon::course_type();
 2341: 
 2342: # --------------------------------------------- Initialize help topics for this
 2343:     foreach ('Adding_Course_Doc','Main_Course_Documents',
 2344: 	     'Adding_External_Resource','Navigate_Content',
 2345: 	     'Adding_Folders','Docs_Overview', 'Load_Map',
 2346: 	     'Supplemental','Score_Upload_Form','Adding_Pages',
 2347: 	     'Importing_LON-CAPA_Resource','Uploading_From_Harddrive',
 2348: 	     'Check_Resource_Versions','Verify_Content') {
 2349: 	$help{$_}=&Apache::loncommon::help_open_topic('Docs_'.$_);
 2350:     }
 2351:     # Composite help files
 2352:     $help{'Syllabus'} = &Apache::loncommon::help_open_topic(
 2353: 		    'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
 2354:     $help{'Simple Page'} = &Apache::loncommon::help_open_topic(
 2355: 		    'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
 2356:     $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
 2357: 		    'Option_Response_Simple');
 2358:     $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
 2359: 		    'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
 2360:     $help{'My Personal Info'} = &Apache::loncommon::help_open_topic(
 2361: 		  'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
 2362:     $help{'Group Files'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
 2363:     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
 2364: 
 2365: # does this user have privileges to modify docs
 2366:     my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
 2367: 
 2368:   if ($allowed && $env{'form.verify'}) {
 2369:       &verifycontent($r);
 2370:   } elsif ($allowed && $env{'form.listsymbs'}) {
 2371:       &list_symbs($r);
 2372:   } elsif ($allowed && $env{'form.docslog'}) {
 2373:       &docs_change_log($r);
 2374:   } elsif ($allowed && $env{'form.versions'}) {
 2375:       &checkversions($r);
 2376:   } elsif ($allowed && $env{'form.dumpcourse'}) {
 2377:       &dumpcourse($r);
 2378:   } elsif ($allowed && $env{'form.exportcourse'}) {
 2379:       &exportcourse($r);
 2380:   } else {
 2381: # is this a standard course?
 2382: 
 2383:     my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
 2384:     my $forcestandard = 0;
 2385:     my $forcesupplement;
 2386:     my $script='';
 2387:     my $showdoc=0;
 2388:     my $containertag;
 2389:     my $uploadtag;
 2390:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 2391: 					    ['folderpath','pagepath',
 2392: 					     'pagesymb','markedcopy_url',
 2393: 					     'markedcopy_title']);
 2394:     if ($env{'form.folderpath'}) {
 2395: 	my (@folderpath)=split('&',$env{'form.folderpath'});
 2396: 	$env{'form.foldername'}=&unescape(pop(@folderpath));
 2397: 	$env{'form.folder'}=pop(@folderpath);
 2398:     }
 2399:     if ($env{'form.pagepath'}) {
 2400:         my (@pagepath)=split('&',$env{'form.pagepath'});
 2401:         $env{'form.pagename'}=&unescape(pop(@pagepath));
 2402:         $env{'form.folder'}=pop(@pagepath);
 2403:         $containertag = '<input type="hidden" name="pagepath" value="" />'.
 2404: 	    '<input type="hidden" name="pagesymb" value="" />';
 2405:         $uploadtag = '<input type="hidden" name="pagepath" value="'.$env{'form.pagepath'}.'" />'.
 2406: 	    '<input type="hidden" name="pagesymb" value="'.$env{'form.pagesymb'}.'" />';
 2407:     }
 2408:     if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
 2409:        $showdoc='/'.$1;
 2410:     }
 2411:     unless ($showdoc) { # got called from remote
 2412:        if (($env{'form.folder'}=~/^(?:group|default)_/) || 
 2413:           ($env{'form.folder'} =~ m:^\d+/(pages|sequences)/:)) {
 2414:            $forcestandard = 1;
 2415:        } 
 2416:        $forcesupplement=($env{'form.folder'}=~/^supplemental_/);
 2417: 
 2418:        if ($allowed) { 
 2419:          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
 2420:          $script=&Apache::lonratedt::editscript('simple'); 
 2421:        }
 2422:     } else { # got called in sequence from course
 2423:        $allowed=0;
 2424:     }
 2425: 
 2426: # get course data
 2427:     my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
 2428:     my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2429: 
 2430: # get personal data 
 2431:     my $uname=$env{'user.name'};
 2432:     my $udom=$env{'user.domain'};
 2433:     my $plainname=&escape(&Apache::loncommon::plainname($uname,$udom));
 2434: 
 2435: # graphics settings
 2436: 
 2437:     $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
 2438: 
 2439:     if ($allowed) {
 2440: 	$script .= &editing_js($udom,$uname);
 2441:     }
 2442: # -------------------------------------------------------------------- Body tag
 2443:     $script = '<script type="text/javascript">'."\n".$script."\n".'</script>';
 2444:     $r->print(&Apache::loncommon::start_page("$type Documents", $script,
 2445: 					     {'force_register' => $showdoc,}).
 2446: 	      &Apache::loncommon::help_open_menu('','',273,'RAT'));
 2447:   
 2448:   my %allfiles = ();
 2449:   my %codebase = ();
 2450:   my ($upload_result,$upload_output);
 2451:   if ($allowed) {
 2452:       if (($env{'form.uploaddoc.filename'}) &&                                               ($env{'form.cmd'}=~/^upload_(\w+)/)) {
 2453: # Process file upload - phase one - upload and parse primary file.  
 2454:           $upload_result = &process_file_upload(\$upload_output,$coursenum,
 2455: 						$coursedom,\%allfiles,
 2456: 						\%codebase,$1);
 2457:           if ($upload_result eq 'phasetwo') {
 2458:               $r->print($upload_output);
 2459:           }
 2460:       } elsif ($env{'form.phasetwo'}) {
 2461:           my %newname = ();
 2462:           my %origname = ();
 2463:           my %attribs = ();
 2464:           my $updateflag = 0;
 2465:           my $residx = $env{'form.newidx'};
 2466:           my $primary_url = &unescape($env{'form.primaryurl'});
 2467: # Process file upload - phase two - gather secondary files.
 2468:           for (my $i=0; $i<$env{'form.phasetwo'}; $i++) {
 2469:               if ($env{'form.embedded_item_'.$i.'.filename'}) {
 2470:                   my $javacodebase;
 2471:                   $newname{$i} = &process_secondary_uploads(\$upload_output,$coursedom,$coursenum,'embedded_item_',$i,$residx);
 2472:                   $origname{$i} = &unescape($env{'form.embedded_orig_'.$i});
 2473:                   if (exists($env{'form.embedded_codebase_'.$i})) {
 2474:                       $javacodebase =  &unescape($env{'form.embedded_codebase_'.$i});  
 2475:                       $origname{$i} =~ s#^\Q$javacodebase\E/##; 
 2476:                   }
 2477:                   my @attributes = ();
 2478:                   if ($env{'form.embedded_attrib_'.$i} =~ /:/) {
 2479:                       @attributes = split/:/,$env{'form.embedded_attrib_'.$i};
 2480:                   } else {
 2481:                       @attributes = ($env{'form.embedded_attrib_'.$i});
 2482:                   }
 2483:                   foreach (@attributes) {
 2484:                       push(@{$attribs{$i}},&unescape($_));
 2485:                   }
 2486:                   if ($javacodebase) {
 2487:                       $codebase{$i} = $javacodebase;
 2488:                       $codebase{$i} =~ s#/$##;
 2489:                       $updateflag = 1;
 2490:                   }
 2491:               }
 2492:               unless ($newname{$i} eq $origname{$i}) {
 2493:                   $updateflag = 1;
 2494:               }
 2495:           }
 2496: # Process file upload - phase three - modify primary file
 2497:           if ($updateflag) {
 2498:               my ($content,$rtncode);
 2499:               my $updateflag = 0;
 2500:               my $getstatus = &Apache::lonnet::getuploaded('GET',$primary_url,$coursedom,$coursenum,\$content,\$rtncode);
 2501:               if ($getstatus eq 'ok') {
 2502:                   foreach my $item (keys %newname) {
 2503:                       if ($newname{$item} ne $origname{$item}) {
 2504:                           my $attrib_regexp = '';
 2505:                           if (@{$attribs{$item}} > 1) {
 2506:                               $attrib_regexp = join('|',@{$attribs{$item}});
 2507:                           } else {
 2508:                               $attrib_regexp = $attribs{$item}[0];
 2509:                           }
 2510:                           if ($content =~ m#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#) {
 2511:                           } 
 2512:                           $content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#$1$newname{$item}$2#gi; 
 2513:                       }
 2514:                       if (exists($codebase{$item})) {
 2515:                           $content =~ s/(codebase\s*=\s*["']?)\Q$codebase{$item}\E(["']?)/$1.$2/i; #' stupid emacs
 2516:                       }
 2517:                   }
 2518: # Save edited file.
 2519:                   my $saveresult;
 2520:                   my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
 2521:                   my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
 2522:                   my $url = &Apache::lonnet::store_edited_file($primary_url,$content,$docudom,$docuname,\$saveresult);
 2523:               } else {
 2524:                   &Apache::lonnet::logthis('retrieval of uploaded file - '.$primary_url.' - for editing, failed: '.$getstatus); 
 2525:               }
 2526:           }
 2527:       }
 2528:   }
 2529: 
 2530:   unless ($showdoc ||  $upload_result eq 'phasetwo') {
 2531: # -----------------------------------------------------------------------------
 2532:        my %lt=&Apache::lonlocal::texthash(
 2533:                 'uplm' => 'Upload a new main '.lc($type).' document',
 2534:                 'upls' => 'Upload a new supplemental '.lc($type).' document',
 2535:                 'impp' => 'Import a document',
 2536:                 'pubd' => 'Published documents',
 2537: 		'copm' => 'All documents out of a published map into this folder',
 2538:                 'spec' => 'Special documents',
 2539:                 'upld' => 'Upload Document',
 2540:                 'srch' => 'Search',
 2541:                 'impo' => 'Import',
 2542: 		'book' => 'Import Bookmarks',
 2543:                 'selm' => 'Select Map',
 2544:                 'load' => 'Load Map',
 2545:                 'reco' => 'Recover Deleted Resources',
 2546:                 'newf' => 'New Folder',
 2547:                 'newp' => 'New Composite Page',
 2548:                 'extr' => 'External Resource',
 2549:                 'syll' => 'Syllabus',
 2550:                 'navc' => 'Navigate Contents',
 2551:                 'sipa' => 'Simple Page',
 2552:                 'sipr' => 'Simple Problem',
 2553:                 'drbx' => 'Drop Box',
 2554:                 'scuf' => 'Score Upload Form',
 2555:                 'bull' => 'Bulletin Board',
 2556:                 'mypi' => 'My Personal Info',
 2557:                 'grpo' => 'Group Files',
 2558: 		'abou' => 'About User',
 2559:                 'imsf' => 'Import IMS package',
 2560:                 'file' =>  'File',
 2561:                 'title' => 'Title',
 2562:                 'comment' => 'Comment',
 2563:                 'parse' => 'If HTML file, upload embedded images/multimedia files'
 2564: 					  );
 2565: # -----------------------------------------------------------------------------
 2566:     if ($allowed) {
 2567:        my $dumpbut=&dumpbutton();
 2568:        my $exportbut=&exportbutton();
 2569:        my %lt=&Apache::lonlocal::texthash(
 2570: 					 'vc' => 'Verify Content',
 2571: 					 'cv' => 'Check/Set Resource Versions',
 2572: 					 'ls' => 'List Symbs',
 2573:                                          'sl' => 'Show Log'
 2574: 					  );
 2575: 
 2576:        my $folderpath=$env{'form.folderpath'};
 2577:        if (!$folderpath) {
 2578: 	   if ($env{'form.folder'} eq '' ||
 2579: 	       $env{'form.folder'} eq 'supplemental') {
 2580: 	       $folderpath='default&'.
 2581: 		   &escape(&mt('Main '.$type.' Documents'));
 2582: 	   }
 2583:        }
 2584:        unless ($env{'form.pagepath'}) {
 2585:            $containertag = '<input type="hidden" name="folderpath" value="" />';
 2586:            $uploadtag = '<input type="hidden" name="folderpath" value="'.$folderpath.'" />';
 2587:        }
 2588: 
 2589:        $r->print(<<ENDCOURSEVERIFY);
 2590: <form name="renameform" method="post" action="/adm/coursedocs">
 2591: <input type="hidden" name="title" />
 2592: <input type="hidden" name="cmd" />
 2593: <input type="hidden" name="markcopy" />
 2594: $containertag
 2595: </form>
 2596: <form name="simpleedit" method="post" action="/adm/coursedocs">
 2597: <input type="hidden" name="importdetail" value="" />
 2598: $uploadtag
 2599: </form>
 2600: <form action="/adm/coursedocs" method="post" name="courseverify">
 2601: <table bgcolor="#AAAAAA" width="100%" cellspacing="4" cellpadding="4">
 2602: <tr><td bgcolor="#DDDDCC">
 2603: <input type="submit" name="verify" value="$lt{'vc'}" />$help{'Verify_Content'}
 2604: </td><td bgcolor="#DDDDCC">
 2605:     <input type="submit" name="versions" value="$lt{'cv'}" />$help{'Check_Resource_Versions'}
 2606: $dumpbut
 2607: $exportbut
 2608: </td><td bgcolor="#DDDDCC">
 2609:     <input type="submit" name="listsymbs" value="$lt{'ls'}" />
 2610: </td><td bgcolor="#DDDDCC">
 2611:     <input type="submit" name="docslog" value="$lt{'sl'}" />
 2612: </td></tr></table>
 2613: </form>
 2614: ENDCOURSEVERIFY
 2615:        $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
 2616: 		     &mt('Editing the Table of Contents for your '.$type)));
 2617:     }
 2618: # --------------------------------------------------------- Standard documents
 2619:     $r->print('<table border=2 cellspacing=4 cellpadding=4>');
 2620:     if (($standard) && ($allowed) && (!$forcesupplement)) {
 2621: 	$r->print('<tr><td bgcolor="#BBBBBB">');
 2622: #  '<h2>'.&mt('Main Course Documents').
 2623: #  ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');
 2624:        my $folder=$env{'form.folder'};
 2625:        if ($folder eq '' || $folder eq 'supplemental') {
 2626:            $folder='default';
 2627: 	   $env{'form.folderpath'}='default&'.&escape(&mt('Main '.$type.' Documents'));
 2628:        }
 2629:        my $postexec='';
 2630:        if ($folder eq 'default') {
 2631: 	   $r->print('<script>this.window.name="loncapaclient";</script>');
 2632:        } else {
 2633:            #$postexec='self.close();';
 2634:        }
 2635:        $hadchanges=0;
 2636:        &editor($r,$coursenum,$coursedom,$folder,$allowed,$upload_output);
 2637:        if ($hadchanges) {
 2638: 	   &mark_hash_old()
 2639:        }
 2640:        &changewarning($r,$postexec);
 2641:        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2642:                      '.sequence';
 2643:        my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
 2644:                      '.page';
 2645: 	my $container='sequence';
 2646: 	if ($env{'form.pagepath'}) {
 2647: 	    $container='page';
 2648: 	}
 2649: 	my $readfile='/uploaded/'.$coursedom.'/'.$coursenum.'/'.$folder.'.'.$container;
 2650:        $r->print(<<ENDFORM);
 2651: <table cellspacing=4 cellpadding=4><tr>
 2652: <th bgcolor="#DDDDDD">$lt{'uplm'}</th>
 2653: <th bgcolor="#DDDDDD">$lt{'impp'}</th>
 2654: <th bgcolor="#DDDDDD">$lt{'spec'}</th>
 2655: </tr>
 2656: <tr><td bgcolor="#DDDDDD">
 2657: $lt{'file'}:<br />
 2658: <form name="uploaddocument" action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 2659: <input type="file" name="uploaddoc" size="40">
 2660: <br />
 2661: $lt{'title'}:<br />
 2662: <input type="text" size="50" name="comment">
 2663: $uploadtag
 2664: <input type="hidden" name="cmd" value="upload_default">
 2665: <br />
 2666: <nobr>
 2667: <label>$lt{'parse'}?
 2668: <input type="checkbox" name="parserflag" />
 2669: </label>
 2670: </nobr>
 2671: <br />
 2672: <br />
 2673: <nobr>
 2674: <input type="submit" value="$lt{'upld'}">
 2675:  $help{'Uploading_From_Harddrive'}
 2676: </nobr>
 2677: </form>
 2678: </td>
 2679: <td bgcolor="#DDDDDD">
 2680: <form action="/adm/coursedocs" method="post" name="simpleeditdefault">
 2681: $lt{'pubd'}<br />
 2682: $uploadtag
 2683: <input type=button onClick="javascript:groupsearch()" value="$lt{'srch'}" />
 2684: <br />
 2685: <nobr>
 2686: <input type=button onClick="javascript:groupimport();" value="$lt{'impo'}" />
 2687: $help{'Importing_LON-CAPA_Resource'}
 2688: </nobr>
 2689: <br />
 2690: <input type=button onClick="javascript:groupopen(0,1,1);" value="$lt{'book'}" />
 2691: <p>
 2692: <hr />
 2693: $lt{'copm'}<br />
 2694: <input type="text" size="40" name="importmap"><br />
 2695: <nobr><input type=button 
 2696: onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
 2697: value="$lt{'selm'}"> <input type="submit" name="loadmap" value="$lt{'load'}">
 2698: $help{'Load_Map'}</nobr>
 2699: </p>
 2700: </form>
 2701: <hr />
 2702: <form action="/adm/groupsort" method="post" name="recover">
 2703: <input type="button" name="recovermap" onClick="javascript:groupopen('$readfile',1,0)" value="$lt{'reco'}" />
 2704: </form>
 2705: ENDFORM
 2706:        unless ($env{'form.pagepath'}) {
 2707: 	   $r->print(<<ENDFORM);
 2708: <hr />
 2709: <form action="/adm/coursedocs" method="post" name="newext">
 2710: $uploadtag
 2711: <input type="hidden" name="importdetail" value="" />
 2712: <nobr>
 2713: <input name="newext" type="button" onClick="javascript:makenewext('newext');"
 2714: value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 2715: </nobr>
 2716: </form>
 2717: <br /><form action="/adm/imsimportdocs" method="post" name="ims">
 2718: <input type="hidden" name="folder" value="$folder" />
 2719: <input name="imsimport" type="button" value="$lt{'imsf'}" onClick="javascript:makeims();" />
 2720: </nobr>
 2721: </form>
 2722: ENDFORM
 2723:        }
 2724:        $r->print('</td><td bgcolor="#DDDDDD">');
 2725:        unless ($env{'form.pagepath'}) {
 2726:            $r->print(<<ENDFORM);
 2727: <br /><form action="/adm/coursedocs" method="post" name="newfolder">
 2728: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2729: <input type="hidden" name="importdetail" value="" />
 2730: <nobr>
 2731: <input name="newfolder" type="button"
 2732: onClick="javascript:makenewfolder(this.form,'$folderseq');"
 2733: value="$lt{'newf'}" />$help{'Adding_Folders'}
 2734: </nobr>
 2735: </form>
 2736: <br /><form action="/adm/coursedocs" method="post" name="newpage">
 2737: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2738: <input type="hidden" name="importdetail" value="" />
 2739: <nobr>
 2740: <input name="newpage" type="button"
 2741: onClick="javascript:makenewpage(this.form,'$pageseq');"
 2742: value="$lt{'newp'}" />$help{'Adding_Pages'}
 2743: </nobr>
 2744: </form>
 2745: <br /><form action="/adm/coursedocs" method="post" name="newsyl">
 2746: $uploadtag
 2747: <input type="hidden" name="importdetail" 
 2748: value="Syllabus=/public/$coursedom/$coursenum/syllabus" />
 2749: <nobr>
 2750: <input name="newsyl" type="submit" value="$lt{'syll'}" /> 
 2751:  $help{'Syllabus'}
 2752: </nobr>
 2753: </form>
 2754: <br /><form action="/adm/coursedocs" method="post" name="newnav">
 2755: $uploadtag
 2756: <input type="hidden" name="importdetail" 
 2757: value="Navigate Content=/adm/navmaps" />
 2758: <nobr>
 2759: <input name="newnav" type="submit" value="$lt{'navc'}" />
 2760: $help{'Navigate_Content'}
 2761: </nobr>
 2762: </form>
 2763: <br /><form action="/adm/coursedocs" method="post" name="newsmppg">
 2764: $uploadtag
 2765: <input type="hidden" name="importdetail" value="" />
 2766: <nobr>
 2767: <input name="newsmppg" type="button" value="$lt{'sipa'}"
 2768: onClick="javascript:makesmppage();" /> $help{'Simple Page'}
 2769: </nobr>
 2770: </form>
 2771: <br /><form action="/adm/coursedocs" method="post" name="newsmpproblem">
 2772: $uploadtag
 2773: <input type="hidden" name="importdetail" value="" />
 2774: <nobr>
 2775: <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 2776: onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 2777: </nobr>
 2778: </form>
 2779: <br /><form action="/adm/coursedocs" method="post" name="newdropbox">
 2780: $uploadtag      
 2781: <input type="hidden" name="importdetail" value="" />
 2782: <nobr>          
 2783: <input name="newdropbox" type="button" value="$lt{'drbx'}"
 2784: onClick="javascript:makedropbox();" />
 2785: </nobr>         
 2786: </form> 
 2787: <br /><form action="/adm/coursedocs" method="post" name="newexamupload">
 2788: $uploadtag
 2789: <input type="hidden" name="importdetail" value="" />
 2790: <nobr>
 2791: <input name="newexamupload" type="button" value="$lt{'scuf'}"
 2792: onClick="javascript:makeexamupload();" />
 2793: $help{'Score_Upload_Form'}
 2794: </nobr>
 2795: </form>
 2796: <br /><form action="/adm/coursedocs" method="post" name="newbul">
 2797: $uploadtag
 2798: <input type="hidden" name="importdetail" value="" />
 2799: <nobr>
 2800: <input name="newbulletin" type="button" value="$lt{'bull'}"
 2801: onClick="javascript:makebulboard();" />
 2802: $help{'Bulletin Board'}
 2803: </nobr>
 2804: </form>
 2805: <br /><form action="/adm/coursedocs" method="post" name="newaboutme">
 2806: $uploadtag
 2807: <input type="hidden" name="importdetail" 
 2808: value="$plainname=/adm/$udom/$uname/aboutme" />
 2809: <nobr>
 2810: <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 2811: $help{'My Personal Info'}
 2812: </nobr>
 2813: </form>
 2814: <br /><form action="/adm/coursedocs" method="post" name="newaboutsomeone">
 2815: $uploadtag
 2816: <input type="hidden" name="importdetail" value="" />
 2817: <nobr>
 2818: <input name="newaboutsomeone" type="button" value="$lt{'abou'}" 
 2819: onClick="javascript:makeabout();" />
 2820: </nobr>
 2821: </form>
 2822: <br /><form action="/adm/coursedocs" method="post" name="newgroupfiles">
 2823: $uploadtag
 2824: <input type="hidden" name="importdetail"
 2825: value="Group Files=/adm/$coursedom/$coursenum/aboutme" />
 2826: <nobr>
 2827: <input name="newgroupfiles" type="submit" value="$lt{'grpo'}" />
 2828: $help{'Group Files'}
 2829: </nobr>
 2830: </form>
 2831: ENDFORM
 2832:        }
 2833:        if ($env{'form.pagepath'}) {
 2834:            $r->print(<<ENDBLOCK);
 2835: <form action="/adm/coursedocs" method="post" name="newsmpproblem">
 2836: $uploadtag
 2837: <input type="hidden" name="importdetail" value="" />
 2838: <nobr>
 2839: <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
 2840: onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
 2841: </nobr>
 2842: </form>
 2843: <br /><form action="/adm/coursedocs" method="post" name="newexamupload">
 2844: $uploadtag
 2845: <input type="hidden" name="importdetail" value="" />
 2846: <nobr>
 2847: <input name="newexamupload" type="button" value="$lt{'scuf'}"
 2848: onClick="javascript:makeexamupload();" />
 2849: $help{'Score_Upload_Form'}
 2850: </nobr>
 2851: </form>
 2852: ENDBLOCK
 2853:        }
 2854:        $r->print('</td></tr>'."\n".
 2855: '</table>');
 2856:        $r->print('</td></tr>');
 2857:     }
 2858: # ----------------------------------------------------- Supplemental documents
 2859:     if (!$forcestandard) {
 2860:        $r->print('<tr><td bgcolor="#BBBBBB">');
 2861: # '<h2>'.&mt('Supplemental Course Documents').
 2862: #  ($allowed?' '.$help{'Supplemental'}:'').'</h2>');
 2863:        my $folder=$env{'form.folder'};
 2864:        unless ($folder=~/^supplemental/) {
 2865: 	   $folder='supplemental';
 2866:        }
 2867:        if ($folder =~ /^supplemental$/ &&
 2868: 	   $env{'form.folderpath'} =~ /^default\&/) {
 2869: 	   $env{'form.folderpath'}='supplemental&'.
 2870: 	       &escape(&mt('Supplemental '.$type.' Documents'));
 2871:        }
 2872:        &editor($r,$coursenum,$coursedom,$folder,$allowed);
 2873:        if ($allowed) {
 2874:        my $folderseq=
 2875:                   '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
 2876:                      '.sequence';
 2877: 
 2878:           $r->print(<<ENDSUPFORM);
 2879: <table cellspacing=4 cellpadding=4><tr>
 2880: <th bgcolor="#DDDDDD">$lt{'upls'}</th>
 2881: <th bgcolor="#DDDDDD">$lt{'spec'}</th>
 2882: </tr>
 2883: <tr><td bgcolor="#DDDDDD">
 2884: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 2885: <input type="file" name="uploaddoc" size="40">
 2886: <br />
 2887: <br />
 2888: <nobr>
 2889: <label>$lt{'parse'}?
 2890: <input type="checkbox" name="parserflag" />
 2891: </label>
 2892: </nobr>
 2893: <br /><br />
 2894: $lt{'comment'}:<br />
 2895: <textarea cols=50 rows=4 name='comment'>
 2896: </textarea>
 2897: <br />
 2898: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2899: <input type="hidden" name="cmd" value="upload_supplemental">
 2900: <nobr>
 2901: <input type="submit" value="$lt{'upld'}">
 2902:  $help{'Uploading_From_Harddrive'}
 2903: </nobr>
 2904: </form>
 2905: </td>
 2906: <td bgcolor="#DDDDDD">
 2907: <form action="/adm/coursedocs" method="post" name="supnewfolder">
 2908: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2909: <input type="hidden" name="importdetail" value="" />
 2910: <nobr>
 2911: <input name="newfolder" type="button"
 2912: onClick="javascript:makenewfolder(this.form,'$folderseq');"
 2913: value="$lt{'newf'}" /> $help{'Adding_Folders'}
 2914: </nobr>
 2915: </form>
 2916: <br /><form action="/adm/coursedocs" method="post" name="supnewext">
 2917: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2918: <input type="hidden" name="importdetail" value="" />
 2919: <nobr>
 2920: <input name="newext" type="button" 
 2921: onClick="javascript:makenewext('supnewext');"
 2922: value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
 2923: </nobr>
 2924: </form>
 2925: <br /><form action="/adm/coursedocs" method="post" name="supnewsyl">
 2926: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2927: <input type="hidden" name="importdetail" 
 2928: value="Syllabus=/public/$coursedom/$coursenum/syllabus" />
 2929: <nobr>
 2930: <input name="newsyl" type="submit" value="$lt{'syll'}" />
 2931: $help{'Syllabus'}
 2932: </nobr>
 2933: </form>
 2934: <br /><form action="/adm/coursedocs" method="post" name="subnewaboutme">
 2935: <input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
 2936: <input type="hidden" name="importdetail" 
 2937: value="$plainname=/adm/$udom/$uname/aboutme" />
 2938: <nobr>
 2939: <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
 2940: $help{'My Personal Info'}
 2941: </nobr>
 2942: </form>
 2943: </td></tr>
 2944: </table></td></tr>
 2945: ENDSUPFORM
 2946:        }
 2947:     }
 2948:     if ($allowed) {
 2949: 	$r->print('<form method="POST" name="extimport" action="/adm/coursedocs"><input type="hidden" name="title" /><input type="hidden" name="url" /><input type="hidden" name="useform" /></form>');
 2950:     }
 2951:     $r->print('</table>');
 2952:   } else {
 2953:       unless ($upload_result eq 'phasetwo') {
 2954: # -------------------------------------------------------- This is showdoc mode
 2955:           $r->print("<h1>".&mt('Uploaded Document').' - '.
 2956: 		&Apache::lonnet::gettitle($r->uri).'</h1><p>'.
 2957: &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><p><table>".
 2958:           &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table></p>');
 2959:       }
 2960:   }
 2961:  }
 2962:  $r->print(&Apache::loncommon::end_page());
 2963:  return OK;
 2964: } 
 2965: 
 2966: 
 2967: sub editing_js {
 2968:     my ($udom,$uname) = @_;
 2969:     my $now = time();
 2970: 
 2971:     return <<ENDNEWSCRIPT;
 2972: function makenewfolder(targetform,folderseq) {
 2973:     var foldername=prompt('Name of New Folder','New Folder');
 2974:     if (foldername) {
 2975:        targetform.importdetail.value=escape(foldername)+"="+folderseq;
 2976:         targetform.submit();
 2977:     }
 2978: }
 2979: 
 2980: function makenewpage(targetform,folderseq) {
 2981:     var pagename=prompt('Name of New Page','New Page');
 2982:     if (pagename) {
 2983:         targetform.importdetail.value=escape(pagename)+"="+folderseq;
 2984:         targetform.submit();
 2985:     }
 2986: }
 2987: 
 2988: function makenewext(targetname) {
 2989:     this.document.forms.extimport.useform.value=targetname;
 2990:     window.open('/adm/rat/extpickframe.html');
 2991: }
 2992: 
 2993: function makeexamupload() {
 2994:    var title=prompt('Listed Title for the Uploaded Score');
 2995:    if (title) { 
 2996:     this.document.forms.newexamupload.importdetail.value=
 2997: 	escape(title)+'=/res/lib/templates/examupload.problem';
 2998:     this.document.forms.newexamupload.submit();
 2999:    }
 3000: }
 3001: 
 3002: function makesmppage() {
 3003:    var title=prompt('Listed Title for the Page');
 3004:    if (title) { 
 3005:     this.document.forms.newsmppg.importdetail.value=
 3006: 	escape(title)+'=/adm/$udom/$uname/$now/smppg';
 3007:     this.document.forms.newsmppg.submit();
 3008:    }
 3009: }
 3010: 
 3011: function makesmpproblem() {
 3012:    var title=prompt('Listed Title for the Problem');
 3013:    if (title) { 
 3014:     this.document.forms.newsmpproblem.importdetail.value=
 3015: 	escape(title)+'=/res/lib/templates/simpleproblem.problem';
 3016:     this.document.forms.newsmpproblem.submit();
 3017:    }
 3018: }
 3019: 
 3020: function makedropbox() {
 3021:    var title=prompt('Listed Title for the Drop Box');
 3022:    if (title) { 
 3023:     this.document.forms.newdropbox.importdetail.value=
 3024:         escape(title)+'=/res/lib/templates/DropBox.problem';
 3025:     this.document.forms.newdropbox.submit();
 3026:    }
 3027: }
 3028: 
 3029: function makebulboard() {
 3030:    var title=prompt('Listed Title for the Bulletin Board');
 3031:    if (title) {
 3032:     this.document.forms.newbul.importdetail.value=
 3033: 	escape(title)+'=/adm/$udom/$uname/$now/bulletinboard';
 3034:     this.document.forms.newbul.submit();
 3035:    }
 3036: }
 3037: 
 3038: function makeabout() {
 3039:    var user=prompt("Enter user:domain for User's 'About Me' Page");
 3040:    if (user) {
 3041:        var comp=new Array();
 3042:        comp=user.split(':');
 3043:        if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
 3044: 	   if ((comp[0]) && (comp[1])) {
 3045: 	       this.document.forms.newaboutsomeone.importdetail.value=
 3046: 		   'About '+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
 3047: 	       this.document.forms.newaboutsomeone.submit();
 3048: 	   } else {
 3049:                alert("Not a valid user:domain");
 3050:            }
 3051:        } else {
 3052:            alert("Please enter both user and domain in the format user:domain"); 
 3053:        }
 3054:    }
 3055: }
 3056: 
 3057: function makeims() {
 3058:     var caller = document.forms.ims.folder.value;
 3059:     var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one";
 3060:     newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes");
 3061:     newWindow.location.href = newlocation;
 3062: }
 3063: 
 3064: 
 3065: function finishpick() {
 3066:     var title=this.document.forms.extimport.title.value;
 3067:     var url=this.document.forms.extimport.url.value;
 3068:     var form=this.document.forms.extimport.useform.value;
 3069:     eval
 3070:      ('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+
 3071:     '";this.document.forms.'+form+'.submit();');
 3072: }
 3073: 
 3074: function changename(folderpath,index,oldtitle,container,pagesymb) {
 3075:     var title=prompt('New Title',oldtitle);
 3076:     if (title) {
 3077: 	this.document.forms.renameform.title.value=title;
 3078: 	this.document.forms.renameform.cmd.value='rename_'+index;
 3079:         if (container == 'sequence') {
 3080: 	    this.document.forms.renameform.folderpath.value=folderpath;
 3081:         }
 3082:         if (container == 'page') {
 3083:             this.document.forms.renameform.pagepath.value=folderpath;
 3084:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3085:         }
 3086:         this.document.forms.renameform.submit();
 3087:     }
 3088: }
 3089: 
 3090: function removeres(folderpath,index,oldtitle,container,pagesymb) {
 3091:     if (confirm('WARNING: Removing a resource makes associated grades and scores inaccessible!\\nRemove "'+oldtitle+'"?')) {
 3092: 	this.document.forms.renameform.cmd.value='del_'+index;
 3093:         if (container == 'sequence') {
 3094:             this.document.forms.renameform.folderpath.value=folderpath;
 3095:         }
 3096:         if (container == 'page') {
 3097:             this.document.forms.renameform.pagepath.value=folderpath;
 3098:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3099:         }
 3100:         this.document.forms.renameform.submit();
 3101:     }
 3102: }
 3103: 
 3104: function cutres(folderpath,index,oldtitle,container,pagesymb) {
 3105:     if (confirm('WARNING: Cutting a resource makes associated grades and scores inaccessible!\\nGrades remain inaccessible if resource is pasted into another folder.\\nCut "'+oldtitle+'"?')) {
 3106: 	this.document.forms.renameform.cmd.value='cut_'+index;
 3107: 	this.document.forms.renameform.markcopy.value=index;
 3108:         if (container == 'sequence') {
 3109:             this.document.forms.renameform.folderpath.value=folderpath;
 3110:         }
 3111:         if (container == 'page') {
 3112:             this.document.forms.renameform.pagepath.value=folderpath;
 3113:             this.document.forms.renameform.pagesymb.value=pagesymb;
 3114:         }
 3115:         this.document.forms.renameform.submit();
 3116:     }
 3117: }
 3118: 
 3119: function markcopy(folderpath,index,oldtitle,container,pagesymb) {
 3120:     this.document.forms.renameform.markcopy.value=index;
 3121:     if (container == 'sequence') {
 3122: 	this.document.forms.renameform.folderpath.value=folderpath;
 3123:     }
 3124:     if (container == 'page') {
 3125: 	this.document.forms.renameform.pagepath.value=folderpath;
 3126: 	this.document.forms.renameform.pagesymb.value=pagesymb;
 3127:     }
 3128:     this.document.forms.renameform.submit();
 3129: }
 3130: 
 3131: ENDNEWSCRIPT
 3132: }
 3133: 1;
 3134: __END__

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