File:  [LON-CAPA] / loncom / interface / lonmenu.pm
Revision 1.326: download - view: text, annotated - select for diffs
Mon Apr 19 09:22:14 2010 UTC (14 years, 1 month ago) by bisitz
Branches: MAIN
CVS tags: PRINT_INCOMPLETE_base, PRINT_INCOMPLETE, HEAD
Changes related to modification of LON-CAPA screen header:
- Quick fix for 2.10: Display bookmarks as before start_page/page header changes occurred (hide nav_bar)

- Enhancement for 2.10: Bookmark pop up screen a bit wider to avoid hiding of some buttons

    1: # The LearningOnline Network with CAPA
    2: # Routines to control the menu
    3: #
    4: # $Id: lonmenu.pm,v 1.326 2010/04/19 09:22:14 bisitz 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: # There is one parameter controlling the action of this module:
   30: #
   31: 
   32: =head1 NAME
   33: 
   34: Apache::lonmenu
   35: 
   36: =head1 SYNOPSIS
   37: 
   38: Coordinates the response to clicking an image.
   39: 
   40: This is part of the LearningOnline Network with CAPA project
   41: described at http://www.lon-capa.org.
   42: 
   43: =head1 GLOBAL VARIABLES
   44: 
   45: =over
   46: 
   47: =item @desklines
   48: 
   49: Each element of this array contains a line of mydesk.tab that doesn't start with
   50: cat, prim or scnd. 
   51: It gets filled in the BEGIN block of this module.
   52: 
   53: =item %category_names
   54: 
   55: The keys of this hash are the abbreviations used in mydesk.tab in those lines that 
   56: start with cat, the values are strings representing titles. 
   57: It gets filled in the BEGIN block of this module.
   58: 
   59: =item %category_members
   60: 
   61: TODO 
   62: 
   63: =item %category_positions
   64: 
   65: The keys of this hash are the abbreviations used in mydesk.tab in those lines that
   66: start with cat, its values are position vectors (column, row). 
   67: It gets filled in the BEGIN block of this module.
   68: 
   69: =item $readdesk
   70: 
   71: Indicates that mydesk.tab has been read. 
   72: It is set to 'done' in the BEGIN block of this module.
   73: 
   74: =item @primary_menu
   75: 
   76: The elements of this array reference arrays that are made up of the components
   77: of those lines of mydesk.tab that start with prim.
   78: It is used by primary_menu() to generate the corresponding menu.
   79: It gets filled in the BEGIN block of this module.
   80: 
   81: =item @secondary_menu
   82: 
   83: The elements of this array reference arrays that are made up of the components
   84: of those lines of mydesk.tab that start with scnd.
   85: It is used by secondary_menu() to generate the corresponding menu.
   86: It gets filled in the BEGIN block of this module.
   87: 
   88: =back
   89: 
   90: =head1 SUBROUTINES
   91: 
   92: =over
   93: 
   94: =item prep_menuitems(\@menuitem)
   95: 
   96: This routine wraps a menuitem in proper HTML. It is used by primary_menu() and 
   97: secondary_menu().
   98: 
   99: =item primary_menu()
  100: 
  101: This routine evaluates @primary_menu and returns XHTML for the menu
  102: that contains following links: About, Message, Roles, Help, Logout
  103: @primary_menu is filled within the BEGIN block of this module with 
  104: entries from mydesk.tab 
  105: 
  106: =item secondary_menu()
  107: 
  108: Same as primary_menu() but operates on @secondary_menu.
  109: 
  110: =item show_return_link()
  111: 
  112: =item innerregister()
  113: 
  114: This gets called in order to register a URL in the body of the document
  115: 
  116: =item clear()
  117: 
  118: =item switch()
  119: 
  120: Switch a button or create a link
  121: Switch acts on the javascript that is executed when a button is clicked.  
  122: The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
  123: 
  124: =item secondlevel()
  125: 
  126: =item openmenu()
  127: 
  128: =item inlinemenu()
  129: 
  130: =item rawconfig()
  131: 
  132: =item utilityfunctions()
  133: 
  134: =item serverform()
  135: 
  136: =item constspaceform()
  137: 
  138: =item get_nav_status()
  139: 
  140: =item hidden_button_check()
  141: 
  142: =item roles_selector()
  143: 
  144: =item jump_to_role()
  145: 
  146: =back
  147: 
  148: =cut
  149: 
  150: package Apache::lonmenu;
  151: 
  152: use strict;
  153: use Apache::lonnet;
  154: use Apache::lonhtmlcommon();
  155: use Apache::loncommon();
  156: use Apache::lonenc();
  157: use Apache::lonlocal;
  158: use LONCAPA qw(:DEFAULT :match);
  159: use HTML::Entities();
  160: 
  161: use vars qw(@desklines %category_names %category_members %category_positions 
  162:             $readdesk @primary_menu @secondary_menu);
  163: 
  164: my @inlineremote;
  165: 
  166: sub prep_menuitem {
  167:     my ($menuitem) = @_;
  168:     return '' unless(ref($menuitem) eq 'ARRAY');
  169:     my $link;
  170:     if ($$menuitem[1]) { # graphical Link
  171:         $link = "<img class=\"LC_noBorder\""
  172:               . " src=\"" . &Apache::loncommon::lonhttpdurl($$menuitem[1]) . "\"" 
  173:               . " alt=\"" . &mt($$menuitem[2]) . "\" />";
  174:     } else {             # textual Link
  175:         $link = &mt($$menuitem[3]);
  176:     }
  177:     return '<li><a' 
  178:            # highlighting for new messages
  179:            . ( $$menuitem[4] eq 'newmsg' ? ' class="LC_new_message"' : '') 
  180:            . qq| href="$$menuitem[0]" target="_top">$link</a></li>|;
  181: }
  182: 
  183: # primary_menu() evaluates @primary_menu and returns XHTML for the menu
  184: # that contains following links:
  185: # About, Message, Roles, Help, Logout
  186: # @primary_menu is filled within the BEGIN block of this module with 
  187: # entries from mydesk.tab
  188: sub primary_menu {
  189:     my $menu;
  190:     # each element of @primary contains following array:
  191:     # (link url, icon path, alt text, link text, condition)
  192:     my $public;
  193:     if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
  194:         || (($env{'user.name'} eq '') && ($env{'user.domain'} eq ''))) {
  195:         $public = 1;
  196:     }
  197:     foreach my $menuitem (@primary_menu) {
  198:         # evaluate conditions 
  199:         next if    ref($menuitem)       ne 'ARRAY';    #
  200:         next if    $$menuitem[4]        eq 'nonewmsg'  # show links depending on
  201:                 && &Apache::lonmsg::mynewmail();       # whether a new msg 
  202:         next if    $$menuitem[4]        eq 'newmsg'    # arrived or not
  203:                 && !&Apache::lonmsg::mynewmail();      # 
  204:         next if    $$menuitem[4]        !~ /public/    ##we've a public user,
  205:                 && $public;                            ##who should not see all
  206:                                                        ##links
  207:         next if    $$menuitem[4]        eq 'onlypublic'# hide links which are 
  208:                 && !$public;                           # only visible to public
  209:                                                        # users
  210:         next if    $$menuitem[4]        eq 'roles'     ##show links depending on
  211:                 && &Apache::loncommon::show_course();  ##term 'Courses' or 
  212:         next if    $$menuitem[4]        eq 'courses'   ##'Roles' wanted
  213:                 && !&Apache::loncommon::show_course(); ##
  214:         
  215:             
  216:         if ($$menuitem[3] eq 'Help') { # special treatment for helplink
  217:             $menu .= '<li>'.&Apache::loncommon::top_nav_help('Help').'</li>';
  218:         } else {
  219:             $menu .= prep_menuitem($menuitem);
  220:         }
  221:     }
  222:     $menu =~ s/\[domain\]/$env{'user.domain'}/g;
  223:     $menu =~ s/\[user\]/$env{'user.name'}/g;
  224: 
  225:     return "<ol class=\"LC_primary_menu LC_right\">$menu</ol>";
  226: }
  227: 
  228: 
  229: sub secondary_menu {
  230:     my $menu;
  231: 
  232:     my $crstype = &Apache::loncommon::course_type();
  233:     my $canedit = &Apache::lonnet::allowed('mdc', $env{'request.course.id'});
  234:     my $canviewgrps = &Apache::lonnet::allowed('vcg', $env{'request.course.id'}
  235:                    . ($env{'request.course.sec'} ? "/$env{'request.course.sec'}"
  236:                                                  : '')); 
  237:     my $showlink = &show_return_link();
  238:     my %groups = &Apache::lonnet::get_active_groups(
  239:                      $env{'user.domain'}, $env{'user.name'},
  240:                      $env{'course.' . $env{'request.course.id'} . '.domain'},
  241:                      $env{'course.' . $env{'request.course.id'} . '.num'});
  242:     foreach my $menuitem (@secondary_menu) {
  243:         # evaluate conditions 
  244:         next if    ref($menuitem)  ne 'ARRAY';
  245:         next if    $$menuitem[4]   ne 'always'
  246:                 && !$env{'request.course.id'};
  247:         next if    $$menuitem[4]   eq 'showreturn'
  248:                 && !$showlink
  249:                 && !($env{'request.state'} eq 'construct');
  250:         next if    $$menuitem[4]   =~ /^mdc/
  251:                 && !$canedit;
  252:         next if    $$menuitem[4]  eq 'mdcCourse'
  253:                 && $crstype eq 'Community';
  254:         next if    $$menuitem[4]  eq 'mdcCommunity'
  255:                 && $crstype ne 'Community';
  256:         next if    $$menuitem[4] =~ /^Course$/
  257:                 && $crstype eq 'Community';
  258:         next if    $$menuitem[4] =~ /^Community$/
  259:                 && $crstype ne 'Community';
  260:         next if    $$menuitem[4]   =~ /showgroups$/
  261:                 && !$canviewgrps
  262:                 && !%groups;
  263: 
  264:         if ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
  265:             # special treatment for role selector
  266:             my $roles_selector = &roles_selector(
  267:                         $env{'course.' . $env{'request.course.id'} . '.domain'},
  268:                         $env{'course.' . $env{'request.course.id'} . '.num'}  );
  269: 
  270:             $menu .= $roles_selector ? "<li>$roles_selector</li>"
  271:                                      : '';
  272:         } else {
  273:             $menu .= &prep_menuitem(\@$menuitem);
  274:         }
  275:     }
  276:     if ($menu =~ /\[url\].*\[symb\]/) {
  277:         my $escurl  = &escape( &Apache::lonenc::check_encrypt(
  278:                              $env{'request.noversionuri'}));
  279: 
  280:         my $escsymb = &escape( &Apache::lonenc::check_encrypt(
  281:                              $env{'request.symb'})); 
  282: 
  283:         if (    $env{'request.state'} eq 'construct'
  284:             and (   $env{'request.noversionuri'} eq '' 
  285:                  || !defined($env{'request.noversionuri'}))) 
  286:         {
  287:             ($escurl = $env{'request.filename'}) =~ 
  288:                 s{^/home/([^/]+)/public_html/(.*)$}{/priv/$1/$2};
  289: 
  290:             $escurl  = &escape($escurl);
  291:         }    
  292:         $menu =~ s/\[url\]/$escurl/g;
  293:         $menu =~ s/\[symb\]/$escsymb/g;
  294:     }
  295: 
  296:     return "<ul id=\"LC_secondary_menu\">$menu</ul>";
  297: }
  298: 
  299: sub show_return_link {
  300:     if (($env{'request.noversionuri'} =~ m{^/adm/(viewclasslist|navmaps)($|\?)})
  301:         || ($env{'request.noversionuri'} =~ m{^/adm/.*/aboutme($|\?)})) {
  302: 
  303:         return if ($env{'form.register'});
  304:     }
  305:     return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
  306: 	     $env{'request.symb'} eq '')
  307: 	    ||
  308: 	    ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
  309: 	    ||
  310: 	    (($env{'request.noversionuri'}=~/^\/adm\//) &&
  311: 	     ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
  312: 	     ($env{'request.noversionuri'}!~
  313: 	      m{^/adm/.*/(smppg|bulletinboard)($|\?)})
  314:            ));
  315: }
  316: 
  317: sub innerregister {
  318:     my ($forcereg,$bread_crumbs) = @_;
  319:     my $const_space = ($env{'request.state'} eq 'construct');
  320:     my $is_const_dir = 0;
  321: 
  322:     if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
  323: 
  324:     $env{'request.registered'} = 1;
  325: 
  326:     undef(@inlineremote);
  327: 
  328:     if ( $env{'request.symb'} && $env{'request.course.id'} ) {
  329: 
  330:         my ($mapurl,$rid,$resurl) = &Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
  331:         my $coursetitle = $env{'course.'.$env{'request.course.id'}.'.description'};
  332: 
  333:         my $maptitle = &Apache::lonnet::gettitle($mapurl);
  334:         my $restitle = &Apache::lonnet::gettitle(&Apache::lonnet::symbread());
  335: 
  336: #SD
  337: #course_type only Course and Community?
  338: #
  339:         my @crumbs;
  340:         unless (($forcereg) && ($env{'request.noversionuri'} eq '/adm/navmaps')
  341:                 && ($mapurl eq $env{'course.'.$env{'request.course.id'}.'.url'})) {
  342:             @crumbs = ({text  => Apache::loncommon::course_type() 
  343:                                 . ' Contents', 
  344:                         href  => "Javascript:gopost('/adm/navmaps','')"});
  345:         }
  346:         if ($mapurl ne $env{'course.'.$env{'request.course.id'}.'.url'}) { 
  347:             push(@crumbs, {text  => '...',
  348:                            no_mt => 1});
  349:         }
  350: 
  351:         push @crumbs, {text => $maptitle, no_mt => 1} if ($maptitle 
  352:                                                    && $maptitle ne 'default.sequence' 
  353:                                                    && $maptitle ne $coursetitle);
  354: 
  355:         push @crumbs, {text => $restitle, no_mt => 1} if $restitle; 
  356: 
  357:         &Apache::lonhtmlcommon::clear_breadcrumbs();
  358:         &Apache::lonhtmlcommon::add_breadcrumb(@crumbs);
  359:     }
  360: # =============================================================================
  361: # ============================ This is for URLs that actually can be registered
  362:     return '' unless ( ($env{'request.noversionuri'}!~m{^/(res/)*adm/}) 
  363:                        || $forcereg );
  364: 
  365: # -- This applies to homework problems for users with grading privileges
  366: 	my $crs='/'.$env{'request.course.id'};
  367: 	if ($env{'request.course.sec'}) {
  368: 	    $crs.='_'.$env{'request.course.sec'};
  369: 	}
  370: 	$crs=~s/\_/\//g;
  371: 
  372:         my $hwkadd='';
  373:         if ($env{'request.symb'} ne '' &&
  374: 	    $env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
  375: 	    if (&Apache::lonnet::allowed('mgr',$crs)) {
  376: 		$hwkadd.=&switch('','',7,2,'pgrd.png','problem[_1]','grades[_4]',
  377:                        "gocmd('/adm/grades','gradingmenu')",
  378:                        'Modify user grades for this assessment resource');
  379:             } elsif (&Apache::lonnet::allowed('vgr',$crs)) {
  380: 		$hwkadd.=&switch('','',7,2,'subm.png','view sub-[_1]','missions[_1]',
  381:                        "gocmd('/adm/grades','submission')",
  382: 		       'View user submissions for this assessment resource');
  383:             }
  384: 	}
  385: 	if ($env{'request.symb'} ne '' &&
  386: 	    &Apache::lonnet::allowed('opa',$crs)) {
  387: 	    $hwkadd.=&switch('','',7,3,'pparm.png','problem[_2]','parms[_2]',
  388: 			     "gocmd('/adm/parmset','set')",
  389: 			     'Modify parameter settings for this resource');
  390: 	}
  391: # -- End Homework
  392:         ###
  393:         ### Determine whether or not to display the 'cstr' button for this
  394:         ### resource
  395:         ###
  396:         my $editbutton = '';
  397:         my $noeditbutton = 1;
  398:         my ($cnum,$cdom);
  399:         if ($env{'request.course.id'}) {
  400:             $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  401:             $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  402:         }
  403:         if ($env{'user.author'}) {
  404:             if ($env{'request.role'}=~/^(aa|ca|au)/) {
  405: #
  406: # We have the role of an author
  407: #
  408:                 # Set defaults for authors
  409:                 my ($top,$bottom) = ('con-','struct');
  410:                 my $action = "go('/priv/".$env{'user.name'}."');";
  411:                 my $cadom  = $env{'request.role.domain'};
  412:                 my $caname = $env{'user.name'};
  413:                 my $desc = "Enter my construction space";
  414:                 # Set defaults for co-authors
  415:                 if ($env{'request.role'} =~ /^ca/) { 
  416:                     ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
  417:                     ($top,$bottom) = ('co con-','struct');
  418:                     $action = "go('/priv/".$caname."');";
  419:                     $desc = "Enter construction space as co-author";
  420:                 } elsif ($env{'request.role'} =~ /^aa/) {
  421:                     ($cadom,$caname)=($env{'request.role'}=~/($match_domain)\/($match_username)$/);
  422:                     ($top,$bottom) = ('co con-','struct');
  423:                     $action = "go('/priv/".$caname."');";
  424:                     $desc = "Enter construction space as assistant co-author";
  425:                 }
  426:                 # Check that we are on the correct machine
  427:                 my $home = &Apache::lonnet::homeserver($caname,$cadom);
  428: 		my $allowed=0;
  429: 		my @ids=&Apache::lonnet::current_machine_ids();
  430: 		foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
  431: 		if (!$allowed) {
  432: 		    $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
  433:                     $noeditbutton = 0;
  434:                 }
  435:             }
  436: #
  437: # We are an author for some stuff, but currently do not have the role of author.
  438: # Figure out if we have authoring privileges for the resource we are looking at.
  439: # This should maybe become a privilege check in lonnet
  440: #
  441:             ##
  442:             ## Determine if user can edit url.
  443:             ##
  444:             my $cfile='';
  445:             my $cfuname='';
  446:             my $cfudom='';
  447:             my $uploaded;
  448:             if ($env{'request.filename'}) {
  449:                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
  450:                 if (defined($cnum) && defined($cdom)) {
  451:                     $uploaded = &is_course_upload($file,$cnum,$cdom);
  452:                 }
  453:                 if (!$uploaded) {
  454:                     $file=~s/^($match_domain)\/($match_username)/\/priv\/$2/;
  455:                     # Check that the user has permission to edit this resource
  456:                     ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
  457:                     if (defined($cfudom)) {
  458: 		        my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
  459: 		        my $allowed=0;
  460: 		        my @ids=&Apache::lonnet::current_machine_ids();
  461: 		        foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
  462: 		        if ($allowed) {
  463:                             $cfile=$file;
  464:                         }
  465:                     }
  466:                 }
  467:             }
  468:             # Finally, turn the button on or off
  469:             if ($cfile && !$const_space) {
  470:                 my $nocrsedit;
  471:                 # Suppress display where CC has switched to student role.
  472:                 if ($env{'request.course.id'}) {
  473:                     unless(&Apache::lonnet::allowed('mdc',
  474:                                                     $env{'request.course.id'})) {
  475:                         $nocrsedit = 1;
  476:                     }
  477:                 }
  478:                 if ($nocrsedit) {
  479:                     $editbutton=&clear(6,1);
  480:                 } else {
  481:                     $editbutton=&switch
  482:                        ('','',6,1,'pcstr.png','edit[_1]','resource[_2]',
  483:                      "go('".$cfile."');","Edit this resource");
  484:                     $noeditbutton = 0;
  485:                 }
  486:             } elsif ($editbutton eq '') {
  487:                 $editbutton=&clear(6,1);
  488:             }
  489:         }
  490:         if (($noeditbutton) && ($env{'request.filename'})) { 
  491:             if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
  492:                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
  493:                 if (defined($cnum) && defined($cdom)) {
  494:                     if (&is_course_upload($file,$cnum,$cdom)) {
  495:                         my $cfile = &edit_course_upload($file,$cnum,$cdom);
  496:                         if ($cfile) {
  497:                             $editbutton=&switch
  498:                                         ('','',6,1,'pcstr.png','edit[_1]',
  499:                                          'resource[_2]',"go('".$cfile."');",
  500:                                          'Edit this resource');
  501:                         }
  502:                     }
  503:                 }
  504:             }
  505:         }
  506:         ###
  507:         ###
  508: # Prepare the rest of the buttons
  509:         my $menuitems;
  510:         if ($const_space) {
  511: #
  512: # We are in construction space
  513: #
  514: 	    my ($uname,$thisdisfn) =
  515: 		($env{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|);
  516:             my $currdir = '/priv/'.$uname.'/'.$thisdisfn;
  517:             if ($currdir =~ m-/$-) {
  518:                 $is_const_dir = 1;
  519:             } else {
  520:                 $currdir =~ s|[^/]+$||;
  521: 		my $cleandisfn = &Apache::loncommon::escape_single($thisdisfn);
  522: 		my $esc_currdir = &Apache::loncommon::escape_single($currdir);
  523: #
  524: # Probably should be in mydesk.tab
  525: #
  526:                 $menuitems=(<<ENDMENUITEMS);
  527: s&6&1&list.png&list[_1]&dir[_1]&golist('$esc_currdir')&List current directory
  528: s&6&2&rtrv.png&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$cleandisfn')&Retrieve old version
  529: s&6&3&pub.png&publish[_1]&resource[_3]&gocstr('/adm/publish','/~$uname/$cleandisfn')&Publish this resource
  530: s&7&1&del.png&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$cleandisfn')&Delete this resource
  531: s&7&2&prt.png&prepare[_1]&printout[_1]&gocstr('/adm/printout','/~$uname/$cleandisfn')&Prepare a printable document
  532: ENDMENUITEMS
  533:             }
  534:                 if (ref($bread_crumbs) eq 'ARRAY') {
  535:                     &Apache::lonhtmlcommon::clear_breadcrumbs();
  536:                     foreach my $crumb (@{$bread_crumbs}){
  537:                         &Apache::lonhtmlcommon::add_breadcrumb($crumb);
  538:                     }
  539:                 }
  540:         } elsif ( defined($env{'request.course.id'}) && 
  541: 		 $env{'request.symb'} ne '' ) {
  542: #
  543: # We are in a course and looking at a registred URL
  544: # Should probably be in mydesk.tab
  545: #
  546: 	    $menuitems=(<<ENDMENUITEMS);
  547: c&3&1
  548: s&2&1&back.png&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&&1
  549: s&2&3&forw.png&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&&3
  550: c&6&3
  551: c&8&1
  552: c&8&2
  553: s&8&3&prt.png&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
  554: s&9&1&sbkm.png&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&&1
  555: ENDMENUITEMS
  556: 
  557: my $currentURL = &Apache::loncommon::get_symb();
  558: my ($symb_old,$symb_old_enc) = &Apache::loncommon::clean_symb($currentURL);
  559: my $annotation = &Apache::loncommon::get_annotation($symb_old,$symb_old_enc);
  560: $menuitems.="s&9&3&";
  561: if(length($annotation) > 0){
  562: 	$menuitems.="anot2.png";
  563: }else{
  564: 	$menuitems.="anot.png";
  565: }
  566: $menuitems.="&anno-[_1]&tations[_1]&annotate()&";
  567: $menuitems.="Make notes and annotations about this resource&&1\n";
  568: 
  569:             unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme|viewclasslist|portfolio)(\?|$)/) {
  570: 		if ((!$env{'request.enc'}) && ($env{'request.noversionuri'} !~ m{^/adm/wrapper/ext/})) {
  571: 		    $menuitems.=(<<ENDREALRES);
  572: s&6&3&catalog.png&catalog[_2]&info[_1]&catalog_info()&Show Metadata
  573: ENDREALRES
  574:                 }
  575: 	        $menuitems.=(<<ENDREALRES);
  576: s&8&1&eval.png&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource
  577: s&8&2&fdbk.png&feedback[_1]&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource
  578: ENDREALRES
  579: 	    }
  580:         }
  581: 	if ($env{'request.uri'} =~ /^\/res/) {
  582: 	    $menuitems .= (<<ENDMENUITEMS);
  583: s&8&3&prt.png&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
  584: ENDMENUITEMS
  585: 	}
  586:         my $buttons='';
  587:         foreach (split(/\n/,$menuitems)) {
  588: 	    my ($command,@rest)=split(/\&/,$_);
  589:             my $idx=10*$rest[0]+$rest[1];
  590:             if (&hidden_button_check() eq 'yes') {
  591:                 if ($idx == 21 ||$idx == 23) {
  592:                     $buttons.=&switch('','',@rest);
  593:                 } else {
  594:                     $buttons.=&clear(@rest);
  595:                 }
  596:             } else {  
  597:                 if ($command eq 's') {
  598: 	            $buttons.=&switch('','',@rest);
  599:                 } else {
  600:                     $buttons.=&clear(@rest);
  601:                 }
  602:             }
  603:         }
  604: 
  605: 	    my $addremote=0;
  606: 	    foreach (@inlineremote) { if ($_ ne '') { $addremote=1; last;} }
  607:     if ($addremote) {
  608: 
  609:         Apache::lonhtmlcommon::clear_breadcrumb_tools();
  610: 
  611:             Apache::lonhtmlcommon::add_breadcrumb_tool(
  612:                 'navigation', @inlineremote[21,23]);
  613: 
  614:         if(hidden_button_check() ne 'yes') {
  615:             Apache::lonhtmlcommon::add_breadcrumb_tool(
  616:                 'tools', @inlineremote[93,91,81,82,83]);
  617: 
  618:             #publish button in construction space
  619:             if ($env{'request.state'} eq 'construct'){
  620:                 Apache::lonhtmlcommon::add_breadcrumb_tool(
  621:                      'advtools', @inlineremote[63]);
  622:             }else{
  623:                 Apache::lonhtmlcommon::add_breadcrumb_tool(
  624:                      'tools', @inlineremote[63]);
  625:             }
  626:             
  627:             unless ($env{'request.noversionuri'}=~ m{^/adm/(navmaps|viewclasslist)(\?|$)}) {
  628:                 Apache::lonhtmlcommon::add_breadcrumb_tool(
  629:                     'advtools', @inlineremote[61,71,72,73,92]);
  630:             }
  631:         }
  632:     }
  633: 
  634:     return   Apache::lonhtmlcommon::scripttag('', 'start')
  635:            . Apache::lonhtmlcommon::breadcrumbs(undef,undef,0)
  636:            . Apache::lonhtmlcommon::scripttag('', 'end');
  637: }
  638: 
  639: sub is_course_upload {
  640:     my ($file,$cnum,$cdom) = @_;
  641:     my $uploadpath = &LONCAPA::propath($cdom,$cnum);
  642:     $uploadpath =~ s{^\/}{};
  643:     if (($file =~ m{^\Q$uploadpath\E/userfiles/docs/}) ||
  644:         ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/docs/})) {
  645:         return 1;
  646:     }
  647:     return;
  648: }
  649: 
  650: sub edit_course_upload {
  651:     my ($file,$cnum,$cdom) = @_;
  652:     my $cfile;
  653:     if ($file =~/\.(htm|html|css|js|txt)$/) {
  654:         my $ext = $1;
  655:         my $url = &Apache::lonnet::hreflocation('',$file);
  656:         my $home = &Apache::lonnet::homeserver($cnum,$cdom);
  657:         my @ids=&Apache::lonnet::current_machine_ids();
  658:         my $dest;
  659:         if ($home && grep(/^\Q$home\E$/,@ids)) {
  660:             $dest = $url.'?forceedit=1';
  661:         } else {
  662:             unless (&Apache::lonnet::get_locks()) {
  663:                 $dest = '/adm/switchserver?otherserver='.
  664:                         $home.'&role='.$env{'request.role'}.
  665:                         '&url='.$url.'&forceedit=1';
  666:             }
  667:         }
  668:         if ($dest) {
  669:             $cfile = &HTML::Entities::encode($dest,'"<>&');
  670:         }
  671:     }
  672:     return $cfile;
  673: }
  674: 
  675: # ================================================================== Raw Config
  676: 
  677: sub clear {
  678:     my ($row,$col)=@_;
  679:     $inlineremote[10*$row+$col]='';
  680:     return ''; 
  681: }
  682: 
  683: # ============================================ Switch a button or create a link
  684: # Switch acts on the javascript that is executed when a button is clicked.  
  685: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)".
  686: 
  687: sub switch {
  688:     my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat,$nobreak)=@_;
  689:     $act=~s/\$uname/$uname/g;
  690:     $act=~s/\$udom/$udom/g;
  691:     $top=&mt($top);
  692:     $bot=&mt($bot);
  693:     $desc=&mt($desc);
  694:     my $idx=10*$row+$col;
  695:     $category_members{$cat}.=':'.$idx;
  696: 
  697: # Inline Menu
  698:     if ($nobreak==2) { return ''; }
  699:     my $text=$top.' '.$bot;
  700:     $text=~s/\s*\-\s*//gs;
  701: 
  702:     my $pic=
  703: 	   '<img alt="'.$text.'" src="'.
  704: 	   &Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$img).
  705: 	   '" align="'.($nobreak==3?'right':'left').'" class="LC_icon" />';
  706:     if ($env{'browser.interface'} eq 'faketextual') {
  707: # Main Menu
  708: 	   if ($nobreak==3) {
  709: 	       $inlineremote[$idx]="\n".
  710: 		   '<td class="LC_menubuttons_text" align="right">'.$text.
  711: 		   '</td><td align="left">'.
  712: 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>';
  713: 	   } elsif ($nobreak) {
  714: 	       $inlineremote[$idx]="\n<tr>".
  715: 		   '<td align="left">'.
  716: 		   '<a href="javascript:'.$act.';">'.$pic.'</a></td>
  717:                     <td class="LC_menubuttons_text" align="left"><a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$text.'</span></a></td>';
  718: 	   } else {
  719: 	       $inlineremote[$idx]="\n<tr>".
  720: 		   '<td align="left">'.
  721: 		   '<a href="javascript:'.$act.';">'.$pic.
  722: 		   '</a></td><td class="LC_menubuttons_text" colspan="3">'.
  723: 		   '<a class="LC_menubuttons_link" href="javascript:'.$act.';"><span class="LC_menubuttons_inline_text">'.$desc.'</span></a></td></tr>';
  724: 	   }
  725:     } else {
  726: # Inline Menu
  727:       $inlineremote[$idx]=
  728:        '<a title="'.$desc.'" class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.
  729:        '<span class="LC_menubuttons_inline_text">'.$desc.'</span></a>';
  730:     }
  731:     return '';
  732: }
  733: 
  734: sub secondlevel {
  735:     my $output='';
  736:     my 
  737:     ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat)=@_;
  738:     if ($prt eq 'any') {
  739: 	   $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
  740:     } elsif ($prt=~/^r(\w+)/) {
  741:         if ($rol eq $1) {
  742:            $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
  743:         }
  744:     }
  745:     return $output;
  746: }
  747: 
  748: sub inlinemenu {
  749:     undef(@inlineremote);
  750:     undef(%category_members);
  751: # calling rawconfig with "1" will evaluate mydesk.tab, even if there is no active remote control
  752:     &rawconfig(1);
  753:     my $output='<table><tr>';
  754:     for (my $col=1; $col<=2; $col++) {
  755:         $output.='<td class="LC_mainmenu_col_fieldset">';
  756:         for (my $row=1; $row<=8; $row++) {
  757:             foreach my $cat (keys(%category_members)) {
  758:                if ($category_positions{$cat} ne "$col,$row") { next; }
  759:                #$output.='<table><tr><td colspan="4" class="LC_menubuttons_category">'.&mt($category_names{$cat}).'</td></tr>';
  760:                $output.='<div class="LC_Box LC_400Box">';
  761: 	       $output.='<h3 class="LC_hcell">'.&mt($category_names{$cat}).'</h3>';
  762:                $output.='<table>';
  763:                my %active=();
  764:                foreach my $menu_item (split(/\:/,$category_members{$cat})) {
  765:                   if ($inlineremote[$menu_item]) {
  766:                      $active{$menu_item}=1;
  767:                   }
  768:                }  
  769:                foreach my $item (sort(keys(%active))) {
  770:                   $output.=$inlineremote[$item];
  771:                }
  772:                $output.='</table>';
  773:                $output.='</div>';
  774:             }
  775:          }
  776:          $output.="</td>";
  777:     }
  778:     $output.="</tr></table>";
  779:     return $output;
  780: }
  781: 
  782: sub rawconfig {
  783: #
  784: # This evaluates mydesk.tab
  785: # Need to add more positions and more privileges to deal with all
  786: # menu items.
  787: #
  788:     my $textualoverride=shift;
  789:     my $output='';
  790:     return '' unless $textualoverride;
  791:     my $uname=$env{'user.name'};
  792:     my $udom=$env{'user.domain'};
  793:     my $adv=$env{'user.adv'};
  794:     my $show_course=&Apache::loncommon::show_course();
  795:     my $author=$env{'user.author'};
  796:     my $crs='';
  797:     my $crstype='';
  798:     if ($env{'request.course.id'}) {
  799:        $crs='/'.$env{'request.course.id'};
  800:        if ($env{'request.course.sec'}) {
  801: 	   $crs.='_'.$env{'request.course.sec'};
  802:        }
  803:        $crs=~s/\_/\//g;
  804:        $crstype = &Apache::loncommon::course_type();
  805:     }
  806:     my $pub=($env{'request.state'} eq 'published');
  807:     my $con=($env{'request.state'} eq 'construct');
  808:     my $rol=$env{'request.role'};
  809:     my $requested_domain = $env{'request.role.domain'};
  810:     foreach my $line (@desklines) {
  811:         my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc,$cat)=split(/\:/,$line);
  812:         $prt=~s/\$uname/$uname/g;
  813:         $prt=~s/\$udom/$udom/g;
  814:         if ($prt =~ /\$crs/) {
  815:             next unless ($env{'request.course.id'});
  816:             next if ($crstype eq 'Community');
  817:             $prt=~s/\$crs/$crs/g;
  818:         } elsif ($prt =~ /\$cmty/) {
  819:             next unless ($env{'request.course.id'});
  820:             next if ($crstype ne 'Community');
  821:             $prt=~s/\$cmty/$crs/g;
  822:         }
  823:         $prt=~s/\$requested_domain/$requested_domain/g;
  824:         if ($category_names{$cat}!~/\w/) { $cat='oth'; }
  825:         if ($pro eq 'clear') {
  826: 	    $output.=&clear($row,$col);
  827:         } elsif ($pro eq 'any') {
  828:                $output.=&secondlevel(
  829: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
  830: 	} elsif ($pro eq 'smp') {
  831:             unless ($adv) {
  832:                $output.=&secondlevel(
  833:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
  834:             }
  835:         } elsif ($pro eq 'adv') {
  836:             if ($adv) {
  837:                $output.=&secondlevel(
  838: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
  839:             }
  840: 	} elsif ($pro eq 'shc') {
  841:             if ($show_course) {
  842:                $output.=&secondlevel(
  843:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
  844:             }
  845:         } elsif ($pro eq 'nsc') {
  846:             if (!$show_course) {
  847:                $output.=&secondlevel(
  848: 	  $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
  849:             }
  850:         } elsif (($pro=~/^p(\w+)/) && ($prt)) {
  851:             my $priv = $1;
  852:             if ($priv =~ /^mdc(Course|Community)/) {
  853:                 if ($crstype eq $1) {
  854:                     $priv = 'mdc';
  855:                 } else {
  856:                     next;
  857:                 }
  858:             }
  859: 	    if (&Apache::lonnet::allowed($priv,$prt)) {
  860:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
  861:             }
  862:         } elsif ($pro eq 'course')  {
  863:             if (($env{'request.course.fn'}) && ($crstype ne 'Community')) {
  864:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
  865: 	    }
  866:         } elsif ($pro eq 'community')  {
  867:             if (($env{'request.course.fn'}) && ($crstype eq 'Community')) {
  868:                $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
  869:             }
  870:         } elsif ($pro =~ /^courseenv_(.*)$/) {
  871:             my $key = $1;
  872:             if ($crstype ne 'Community') {
  873:                 my $coursepref = $env{'course.'.$env{'request.course.id'}.'.'.$key};
  874:                 if ($key eq 'canuse_pdfforms') {
  875:                     if ($env{'request.course.id'} && $coursepref eq '') {
  876:                         my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
  877:                         $coursepref = $domdefs{'canuse_pdfforms'};
  878:                     }
  879:                 }
  880:                 if ($coursepref) { 
  881:                     $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
  882:                 }
  883:             }
  884:         } elsif ($pro =~ /^communityenv_(.*)$/) {
  885:             my $key = $1;
  886:             if ($crstype eq 'Community') {
  887:                 my $coursepref = $env{'course.'.$env{'request.course.id'}.'.'.$key};
  888:                 if ($key eq 'canuse_pdfforms') {
  889:                     if ($env{'request.course.id'} && $coursepref eq '') {
  890:                         my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
  891:                         $coursepref = $domdefs{'canuse_pdfforms'};
  892:                     }
  893:                 }
  894:                 if ($coursepref) { 
  895:                     $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
  896:                 }
  897:             }
  898:         } elsif ($pro =~ /^course_(.*)$/) {
  899:             # Check for permissions inside of a course
  900:             if (($env{'request.course.id'}) && ($crstype ne 'Community') && 
  901:                 (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
  902:             ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
  903:                  )) {
  904:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
  905: 	    }
  906:         } elsif ($pro =~ /^community_(.*)$/) {
  907:             # Check for permissions inside of a community
  908:             if (($env{'request.course.id'}) && ($crstype eq 'Community') &&   
  909:                 (&Apache::lonnet::allowed($1,$env{'request.course.id'}.
  910:             ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
  911:                  )) {
  912:                 $output.=&switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$cat);
  913:             }
  914:         } elsif ($pro eq 'author') {
  915:             if ($author) {
  916:                 if ((($prt eq 'rca') && ($env{'request.role'}=~/^ca/)) ||
  917:                     (($prt eq 'raa') && ($env{'request.role'}=~/^aa/)) || 
  918:                     (($prt eq 'rau') && ($env{'request.role'}=~/^au/))) {
  919:                     # Check that we are on the correct machine
  920:                     my $cadom=$requested_domain;
  921:                     my $caname=$env{'user.name'};
  922:                     if (($prt eq 'rca') || ($prt eq 'raa')) {
  923: 		       ($cadom,$caname)=
  924:                                ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
  925:                     }                       
  926:                     $act =~ s/\$caname/$caname/g;
  927:                     my $home = &Apache::lonnet::homeserver($caname,$cadom);
  928: 		    my $allowed=0;
  929: 		    my @ids=&Apache::lonnet::current_machine_ids();
  930: 		    foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
  931: 		    if ($allowed) {
  932:                         $output.=&switch($caname,$cadom,
  933:                                         $row,$col,$img,$top,$bot,$act,$desc,$cat);
  934:                     }
  935:                 }
  936:             }
  937:         } elsif ($pro eq 'tools') {
  938:             my @tools = ('aboutme','blog','portfolio');
  939:             if (grep(/^\Q$prt\E$/,@tools)) {
  940:                 if (!&Apache::lonnet::usertools_access($env{'user.name'},
  941:                                                        $env{'user.domain'},
  942:                                                        $prt,undef,'tools')) {
  943:                     $output.=&clear($row,$col);
  944:                     next;
  945:                 }
  946:             } elsif (($prt eq 'reqcrsnsc') || ($prt eq 'reqcrsshc')) {
  947:                 if (($prt eq 'reqcrsnsc') && ($show_course))   {
  948:                     next;
  949:                 }
  950:                 if (($prt eq 'reqcrsshc') && (!$show_course)) {
  951:                     next;
  952:                 }
  953:                 my $showreqcrs = &check_for_rcrs();
  954:                 if (!$showreqcrs) {
  955:                     $output.=&clear($row,$col);
  956:                     next;
  957:                 }
  958:             }
  959:             $prt='any';
  960:             $output.=&secondlevel(
  961:           $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc,$cat);
  962:         }
  963:     }
  964:     return $output;
  965: }
  966: 
  967: sub check_for_rcrs {
  968:     my $showreqcrs = 0;
  969:     my @reqtypes = ('official','unofficial','community');
  970:     foreach my $type (@reqtypes) {
  971:         if (&Apache::lonnet::usertools_access($env{'user.name'},
  972:                                               $env{'user.domain'},
  973:                                               $type,undef,'requestcourses')) {
  974:             $showreqcrs = 1;
  975:             last;
  976:         }
  977:     }
  978:     if (!$showreqcrs) {
  979:         foreach my $type (@reqtypes) {
  980:             if ($env{'environment.reqcrsotherdom.'.$type} ne '') {
  981:                 $showreqcrs = 1;
  982:                 last;
  983:             }
  984:         }
  985:     }
  986:     return $showreqcrs;
  987: }
  988: 
  989: sub dc_popup_js {
  990:     my %lt = &Apache::lonlocal::texthash(
  991:                                           more => '(More ...)',
  992:                                           less => '(Less ...)',
  993:                                         );
  994:     return <<"END";
  995: 
  996: function showCourseID() {
  997:     document.getElementById('dccid').style.display='block';
  998:     document.getElementById('dccid').style.textAlign='left';
  999:     document.getElementById('dccid').style.textFace='normal';
 1000:     document.getElementById('dccidtext').innerHTML ='<a href="javascript:hideCourseID();">$lt{'less'}</a>';
 1001:     return;
 1002: }
 1003: 
 1004: function hideCourseID() {
 1005:     document.getElementById('dccid').style.display='none';
 1006:     document.getElementById('dccidtext').innerHTML ='<a href="javascript:showCourseID()">$lt{'more'}</a>';
 1007:     return;
 1008: }
 1009: 
 1010: END
 1011: 
 1012: }
 1013: 
 1014: sub utilityfunctions {
 1015:     my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
 1016:     if ($currenturl =~ m{^/adm/wrapper/ext/}
 1017:         && $env{'request.external.querystring'} ) {
 1018:             $currenturl .= ($currenturl=~/\?/)?'&':'?'.$env{'request.external.querystring'};
 1019:     }
 1020:     $currenturl=&Apache::lonenc::check_encrypt(&unescape($currenturl));
 1021:     
 1022:     my $currentsymb=&Apache::lonenc::check_encrypt($env{'request.symb'});
 1023: 
 1024:     my $dc_popup_cid;
 1025:     if ($env{'user.adv'} && exists($env{'user.role.dc./'.
 1026:                         $env{'course.'.$env{'request.course.id'}.
 1027:                                  '.domain'}.'/'})) {
 1028:         $dc_popup_cid = &dc_popup_js();
 1029:     }
 1030: 
 1031:     my $start_page_annotate = 
 1032:         &Apache::loncommon::start_page('Annotator',undef,
 1033: 				       {'only_body' => 1,
 1034: 					'js_ready'  => 1,
 1035: 					'bgcolor'   => '#BBBBBB',
 1036: 					'add_entries' => {
 1037: 					    'onload' => 'javascript:document.goannotate.submit();'}});
 1038: 
 1039:     my $end_page_annotate = 
 1040:         &Apache::loncommon::end_page({'js_ready' => 1});
 1041: 
 1042:     my $start_page_bookmark = 
 1043:         &Apache::loncommon::start_page('Bookmarks',undef,
 1044: 				       {'only_body' => 1,
 1045: 					'js_ready'  => 1,
 1046: 					'bgcolor'   => '#BBBBBB',});
 1047: 
 1048:     my $end_page_bookmark = 
 1049:         &Apache::loncommon::end_page({'js_ready' => 1});
 1050: 
 1051: return (<<ENDUTILITY)
 1052: 
 1053:     var currentURL="$currenturl";
 1054:     var reloadURL="$currenturl";
 1055:     var currentSymb="$currentsymb";
 1056: 
 1057: $dc_popup_cid
 1058: 
 1059: function go(url) {
 1060:    if (url!='' && url!= null) {
 1061:        currentURL = null;
 1062:        currentSymb= null;
 1063:        window.location.href=url;
 1064:    }
 1065: }
 1066: 
 1067: function gopost(url,postdata) {
 1068:    if (url!='') {
 1069:       this.document.server.action=url;
 1070:       this.document.server.postdata.value=postdata;
 1071:       this.document.server.command.value='';
 1072:       this.document.server.url.value='';
 1073:       this.document.server.symb.value='';
 1074:       this.document.server.submit();
 1075:    }
 1076: }
 1077: 
 1078: function gocmd(url,cmd) {
 1079:    if (url!='') {
 1080:       this.document.server.action=url;
 1081:       this.document.server.postdata.value='';
 1082:       this.document.server.command.value=cmd;
 1083:       this.document.server.url.value=currentURL;
 1084:       this.document.server.symb.value=currentSymb;
 1085:       this.document.server.submit();
 1086:    }
 1087: }
 1088: 
 1089: function gocstr(url,filename) {
 1090:     if (url == '/adm/cfile?action=delete') {
 1091:         this.document.cstrdelete.filename.value = filename
 1092:         this.document.cstrdelete.submit();
 1093:         return;
 1094:     }
 1095:     if (url == '/adm/printout') {
 1096:         this.document.cstrprint.postdata.value = filename
 1097:         this.document.cstrprint.curseed.value = 0;
 1098:         this.document.cstrprint.problemtype.value = 0;
 1099:         if (this.document.lonhomework) {
 1100:             if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) {
 1101:                 this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value
 1102:             }
 1103:             if (this.document.lonhomework.problemtype) {
 1104: 		if (this.document.lonhomework.problemtype.value) {
 1105: 		    this.document.cstrprint.problemtype.value = 
 1106: 			this.document.lonhomework.problemtype.value;
 1107: 		} else if (this.document.lonhomework.problemtype.options) {
 1108: 		    for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) {
 1109: 			if (this.document.lonhomework.problemtype.options[i].selected) {
 1110: 			    if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') { 
 1111: 				this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value
 1112: 				}
 1113: 			}
 1114: 		    }
 1115: 		}
 1116: 	    }
 1117: 	}
 1118:         this.document.cstrprint.submit();
 1119:         return;
 1120:     }
 1121:     if (url !='') {
 1122:         this.document.constspace.filename.value = filename;
 1123:         this.document.constspace.action = url;
 1124:         this.document.constspace.submit();
 1125:     }
 1126: }
 1127: 
 1128: function golist(url) {
 1129:    if (url!='' && url!= null) {
 1130:        currentURL = null;
 1131:        currentSymb= null;
 1132:        top.location.href=url;
 1133:    }
 1134: }
 1135: 
 1136: 
 1137: 
 1138: function catalog_info() {
 1139:    loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
 1140: }
 1141: 
 1142: function chat_win() {
 1143:    lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=480,resizable=yes,location=no,menubar=no,toolbar=no');
 1144: }
 1145: 
 1146: function group_chat(group) {
 1147:    var url = '/adm/groupchat?group='+group;
 1148:    var winName = 'LONchat_'+group;
 1149:    grpchat=window.open(url,winName,'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
 1150: }
 1151: 
 1152: function edit_bookmarks() {
 1153:    go('');
 1154:    w_BookmarkPal_flag=1;
 1155:    bookmarkpal=window.open("/adm/bookmarks",
 1156:                "BookmarkPal", "width=500,height=505,scrollbars=0");
 1157: }
 1158: 
 1159: function annotate() {
 1160:    w_Annotator_flag=1;
 1161:    annotator=window.open('','Annotator','width=365,height=265,scrollbars=0');
 1162:    annotator.document.write(
 1163:    '$start_page_annotate'
 1164:   +"<form name='goannotate' target='Annotator' method='post' "
 1165:   +"action='/adm/annotations'>"
 1166:   +"<input type='hidden' name='symbnew' value='"+currentSymb+"' />"
 1167:   +"<\\/form>"
 1168:   +'$end_page_annotate');
 1169:    annotator.document.close();
 1170: }
 1171: 
 1172: function set_bookmark() {
 1173:    go('');
 1174:    clienttitle=document.title;
 1175:    clienthref=location.pathname;
 1176:    w_bmquery_flag=1;
 1177:    bmquery=window.open('','bmquery','width=365,height=165,scrollbars=0');
 1178:    bmquery.document.write(
 1179:    '$start_page_bookmark'
 1180:    +'<center><form method="post"'
 1181:    +' name="newlink" action="/adm/bookmarks" target="bmquery" '
 1182:    +'> <table width="340" height="150" '
 1183:    +'bgcolor="#FFFFFF" align="center"><tr><td>Link Name:<br /><input '
 1184:    +'type="text" name="title" size="45" value="'+clienttitle+'" />'
 1185:    +'<br />Address:<br /><input type="text" name="address" size="45" '
 1186:    +'value="'+clienthref+'" /><br /><center><input type="submit" '
 1187:    +'value="Save" /> <input type="button" value="Close" '
 1188:    +'onclick="javascript:window.close();" /></center></td>'
 1189:    +'</tr></table></form></center>'
 1190:    +'$end_page_bookmark' );
 1191:    bmquery.document.close();
 1192: }
 1193: 
 1194: ENDUTILITY
 1195: }
 1196: 
 1197: sub serverform {
 1198:     return(<<ENDSERVERFORM);
 1199: <form name="server" action="/adm/logout" method="post" target="_top">
 1200: <input type="hidden" name="postdata" value="none" />
 1201: <input type="hidden" name="command" value="none" />
 1202: <input type="hidden" name="url" value="none" />
 1203: <input type="hidden" name="symb" value="none" />
 1204: </form>
 1205: ENDSERVERFORM
 1206: }
 1207: 
 1208: sub constspaceform {
 1209:     return(<<ENDCONSTSPACEFORM);
 1210: <form name="constspace" action="/adm/logout" method="post" target="_top">
 1211: <input type="hidden" name="filename" value="" />
 1212: </form>
 1213: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top">
 1214: <input type="hidden" name="action" value="delete" /> 
 1215: <input type="hidden" name="filename" value="" />
 1216: </form>
 1217: <form name="cstrprint" action="/adm/printout" target="_parent" method="post">
 1218: <input type="hidden" name="postdata" value="" />
 1219: <input type="hidden" name="curseed" value="" />
 1220: <input type="hidden" name="problemtype" value="" />
 1221: </form>
 1222: 
 1223: ENDCONSTSPACEFORM
 1224: }
 1225: 
 1226: sub hidden_button_check {
 1227:     if ( $env{'request.course.id'} eq ''
 1228:          || $env{'request.role.adv'} ) {
 1229: 
 1230:         return;
 1231:     }
 1232:     my $buttonshide = &Apache::lonnet::EXT('resource.0.buttonshide');
 1233:     return $buttonshide; 
 1234: }
 1235: 
 1236: sub roles_selector {
 1237:     my ($cdom,$cnum) = @_;
 1238:     my $crstype = &Apache::loncommon::course_type();
 1239:     my $now = time;
 1240:     my (%courseroles,%seccount);
 1241:     my $is_cc;
 1242:     my $role_selector;
 1243:     my $ccrole;
 1244:     if ($crstype eq 'Community') {
 1245:         $ccrole = 'co';
 1246:     } else {
 1247:         $ccrole = 'cc';
 1248:     } 
 1249:     if ($env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum}) {
 1250:         my ($start,$end) = split(/\./,$env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum});
 1251:         
 1252:         if ((($start) && ($start<0)) || 
 1253:             (($end) && ($end<$now))  ||
 1254:             (($start) && ($now<$start))) {
 1255:             $is_cc = 0;
 1256:         } else {
 1257:             $is_cc = 1;
 1258:         }
 1259:     }
 1260:     if ($is_cc) {
 1261:         &get_all_courseroles($cdom,$cnum,\%courseroles,\%seccount);
 1262:     } else {
 1263:         my %gotnosection;
 1264:         foreach my $item (keys(%env)) {
 1265:             if ($item =~ m-^user\.role\.([^.]+)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
 1266:                 my $role = $1;
 1267:                 my $sec = $2;
 1268:                 next if ($role eq 'gr');
 1269:                 my ($start,$end) = split(/\./,$env{$item});
 1270:                 next if (($start && $start > $now) || ($end && $end < $now));
 1271:                 if ($sec eq '') {
 1272:                     if (!$gotnosection{$role}) {
 1273:                         $seccount{$role} ++;
 1274:                         $gotnosection{$role} = 1;
 1275:                     }
 1276:                 }
 1277:                 if (ref($courseroles{$role}) eq 'ARRAY') {
 1278:                     if ($sec ne '') {
 1279:                         if (!grep(/^\Q$sec\E$/,@{$courseroles{$role}})) {
 1280:                             push(@{$courseroles{$role}},$sec);
 1281:                             $seccount{$role} ++;
 1282:                         }
 1283:                     }
 1284:                 } else {
 1285:                     @{$courseroles{$role}} = ();
 1286:                     if ($sec ne '') {
 1287:                         $seccount{$role} ++;
 1288:                         push(@{$courseroles{$role}},$sec);
 1289:                     }
 1290:                 }
 1291:             }
 1292:         }
 1293:     }
 1294:     my $switchtext;
 1295:     if ($crstype eq 'Community') {
 1296:         $switchtext = &mt('Switch community role to...')
 1297:     } else {
 1298:         $switchtext = &mt('Switch course role to...')
 1299:     }
 1300:     my @roles_order = ($ccrole,'in','ta','ep','ad','st');
 1301:     if (keys(%courseroles) > 1) {
 1302:         $role_selector = &jump_to_role($cdom,$cnum,\%seccount,\%courseroles);
 1303:         $role_selector .= '<form name="rolechooser" method="post" action="/adm/roles">
 1304:                           <select name="switchrole" onchange="javascript:adhocRole('."'switchrole'".')">';
 1305:         $role_selector .= '<option value="">'.$switchtext.'</option>';
 1306:         foreach my $role (@roles_order) {
 1307:             if (defined($courseroles{$role})) {
 1308:                 $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role,$crstype).'</option>'; 
 1309:             }
 1310:         }
 1311:         foreach my $role (sort(keys(%courseroles))) {
 1312:             if ($role =~ /^cr/) {
 1313:                 $role_selector .= "\n".'<option value="'.$role.'">'.&Apache::lonnet::plaintext($role).'</option>'; 
 1314:             }
 1315:         }
 1316:         $role_selector .= '</select>'."\n".
 1317:                '<input type="hidden" name="destinationurl" value="'.
 1318:                &HTML::Entities::encode($ENV{'REQUEST_URI'}).'" />'."\n".
 1319:                '<input type="hidden" name="gotorole" value="1" />'."\n".
 1320:                '<input type="hidden" name="selectrole" value="" />'."\n".
 1321:                '<input type="hidden" name="switch" value="1" />'."\n".
 1322:                '</form>';
 1323:     }
 1324:     return $role_selector;
 1325: }
 1326: 
 1327: sub get_all_courseroles {
 1328:     my ($cdom,$cnum,$courseroles,$seccount) = @_;
 1329:     unless ((ref($courseroles) eq 'HASH') && (ref($seccount) eq 'HASH')) {
 1330:         return;
 1331:     }
 1332:     my ($result,$cached) = 
 1333:         &Apache::lonnet::is_cached_new('getcourseroles',$cdom.'_'.$cnum);
 1334:     if (defined($cached)) {
 1335:         if (ref($result) eq 'HASH') {
 1336:             if ((ref($result->{'roles'}) eq 'HASH') && 
 1337:                 (ref($result->{'seccount'}) eq 'HASH')) {
 1338:                 %{$courseroles} = %{$result->{'roles'}};
 1339:                 %{$seccount} = %{$result->{'seccount'}};
 1340:                 return;
 1341:             }
 1342:         }
 1343:     }
 1344:     my %gotnosection;
 1345:     my %adv_roles =
 1346:          &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
 1347:     foreach my $role (keys(%adv_roles)) {
 1348:         my ($urole,$usec) = split(/:/,$role);
 1349:         if (!$gotnosection{$urole}) {
 1350:             $seccount->{$urole} ++;
 1351:             $gotnosection{$urole} = 1;
 1352:         }
 1353:         if (ref($courseroles->{$urole}) eq 'ARRAY') {
 1354:             if ($usec ne '') {
 1355:                 if (!grep(/^Q$usec\E$/,@{$courseroles->{$urole}})) {
 1356:                     push(@{$courseroles->{$urole}},$usec);
 1357:                     $seccount->{$urole} ++;
 1358:                 }
 1359:             }
 1360:         } else {
 1361:             @{$courseroles->{$urole}} = ();
 1362:             if ($usec ne '') {
 1363:                 $seccount->{$urole} ++;
 1364:                 push(@{$courseroles->{$urole}},$usec);
 1365:             }
 1366:         }
 1367:     }
 1368:     my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum,['st']);
 1369:     @{$courseroles->{'st'}} = ();
 1370:     if (keys(%sections_count) > 0) {
 1371:         push(@{$courseroles->{'st'}},keys(%sections_count));
 1372:         $seccount->{'st'} = scalar(keys(%sections_count)); 
 1373:     }
 1374:     my $rolehash = {
 1375:                      'roles'    => $courseroles,
 1376:                      'seccount' => $seccount,
 1377:                    };
 1378:     &Apache::lonnet::do_cache_new('getcourseroles',$cdom.'_'.$cnum,$rolehash);
 1379:     return;
 1380: }
 1381: 
 1382: sub jump_to_role {
 1383:     my ($cdom,$cnum,$seccount,$courseroles) = @_;
 1384:     my %lt = &Apache::lonlocal::texthash(
 1385:                 this => 'This role has section(s) associated with it.',
 1386:                 ente => 'Enter a specific section.',
 1387:                 orlb => 'Enter a specific section, or leave blank for no section.',
 1388:                 avai => 'Available sections are:',
 1389:                 youe => 'You entered an invalid section choice:',
 1390:                 plst => 'Please try again',
 1391:     );
 1392:     my $js;
 1393:     if (ref($courseroles) eq 'HASH') {
 1394:         $js = '    var secpick = new Array("'.$lt{'ente'}.'","'.$lt{'orlb'}.'");'."\n". 
 1395:               '    var numsec = new Array();'."\n".
 1396:               '    var rolesections = new Array();'."\n".
 1397:               '    var rolenames = new Array();'."\n".
 1398:               '    var roleseclist = new Array();'."\n";
 1399:         my @items = keys(%{$courseroles});
 1400:         for (my $i=0; $i<@items; $i++) {
 1401:             $js .= '    rolenames['.$i.'] = "'.$items[$i].'";'."\n";
 1402:             my ($secs,$secstr);
 1403:             if (ref($courseroles->{$items[$i]}) eq 'ARRAY') {
 1404:                 my @sections = sort { $a <=> $b } @{$courseroles->{$items[$i]}};
 1405:                 $secs = join('","',@sections);
 1406:                 $secstr = join(', ',@sections);
 1407:             }
 1408:             $js .= '    rolesections['.$i.'] = new Array("'.$secs.'");'."\n".
 1409:                    '    roleseclist['.$i.'] = "'.$secstr.'";'."\n".
 1410:                    '    numsec['.$i.'] = "'.$seccount->{$items[$i]}.'";'."\n";
 1411:         }
 1412:     }
 1413:     return <<"END";
 1414: <script type="text/javascript">
 1415: //<![CDATA[
 1416: function adhocRole(roleitem) {
 1417:     $js
 1418:     var newrole =  document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value;
 1419:     if (newrole == '') {
 1420:         return; 
 1421:     } 
 1422:     var fullrole = newrole+'./$cdom/$cnum';
 1423:     var selidx = '';
 1424:     for (var i=0; i<rolenames.length; i++) {
 1425:         if (rolenames[i] == newrole) {
 1426:             selidx = i;
 1427:         }
 1428:     }
 1429:     var secok = 1;
 1430:     var secchoice = '';
 1431:     if (selidx >= 0) {
 1432:         if (numsec[selidx] > 1) {
 1433:             secok = 0;
 1434:             var numrolesec = rolesections[selidx].length;
 1435:             var msgidx = numsec[selidx] - numrolesec;
 1436:             secchoice = prompt("$lt{'this'}\\n"+secpick[msgidx]+"\\n$lt{'avai'} "+roleseclist[selidx],"");
 1437:             if (secchoice == '') {
 1438:                 if (msgidx > 0) {
 1439:                     secok = 1;
 1440:                 }
 1441:             } else {
 1442:                 for (var j=0; j<rolesections[selidx].length; j++) {
 1443:                     if (rolesections[selidx][j] == secchoice) {
 1444:                         secok = 1;
 1445:                     }
 1446:                 }
 1447:             }
 1448:         } else {
 1449:             if (rolesections[selidx].length == 1) {
 1450:                 secchoice = rolesections[selidx][0];
 1451:             }
 1452:         }
 1453:     }
 1454:     if (secok == 1) {
 1455:         if (secchoice != '') {
 1456:             fullrole += '/'+secchoice;
 1457:         }
 1458:     } else {
 1459:         document.rolechooser.elements[roleitem].selectedIndex = 0;
 1460:         if (secchoice != null) {
 1461:             alert("$lt{'youe'} \\""+secchoice+"\\".\\n $lt{'plst'}");
 1462:         }
 1463:         return;
 1464:     }
 1465:     if (fullrole == "$env{'request.role'}") {
 1466:         return;
 1467:     }
 1468:     itemid = retrieveIndex('gotorole');
 1469:     if (itemid != -1) {
 1470:         document.rolechooser.elements[itemid].name = fullrole;
 1471:     }
 1472:     document.rolechooser.elements[roleitem].options[document.rolechooser.elements[roleitem].selectedIndex].value = fullrole;
 1473:     document.rolechooser.selectrole.value = '1';
 1474:     document.rolechooser.submit();
 1475:     return;
 1476: }
 1477: 
 1478: function retrieveIndex(item) {
 1479:     for (var i=0;i<document.rolechooser.elements.length;i++) {
 1480:         if (document.rolechooser.elements[i].name == item) {
 1481:             return i;
 1482:         }
 1483:     }
 1484:     return -1;
 1485: }
 1486: // ]]>
 1487: </script>
 1488: END
 1489: }
 1490: 
 1491: 
 1492: # ================================================================ Main Program
 1493: 
 1494: BEGIN {
 1495:     if (! defined($readdesk)) {
 1496:         {
 1497:             my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab';
 1498:             if ( CORE::open( my $config,"<$tabfile") ) {
 1499:                 while (my $configline=<$config>) {
 1500:                     $configline=(split(/\#/,$configline))[0];
 1501:                     $configline=~s/^\s+//;
 1502:                     chomp($configline);
 1503:                     if ($configline=~/^cat\:/) {
 1504:                         my @entries=split(/\:/,$configline);
 1505:                         $category_positions{$entries[2]}=$entries[1];
 1506:                         $category_names{$entries[2]}=$entries[3];
 1507:                     } elsif ($configline=~/^prim\:/) {
 1508:                         my @entries = (split(/\:/, $configline))[1..5];
 1509:                         push @primary_menu, \@entries;
 1510:                     } elsif ($configline=~/^scnd\:/) {
 1511:                         my @entries = (split(/\:/, $configline))[1..5];
 1512:                         push @secondary_menu, \@entries; 
 1513:                     } elsif ($configline) {
 1514:                         push(@desklines,$configline);
 1515:                     }
 1516:                 }
 1517:                 CORE::close($config);
 1518:             }
 1519:         }
 1520:         $readdesk='done';
 1521:     }
 1522: }
 1523: 
 1524: 1;
 1525: __END__
 1526: 

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