--- loncom/interface/lonmenu.pm	2012/05/14 13:58:04	1.369.2.2
+++ loncom/interface/lonmenu.pm	2012/05/28 14:45:20	1.369.2.10
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.369.2.2 2012/05/14 13:58:04 raeburn Exp $
+# $Id: lonmenu.pm,v 1.369.2.10 2012/05/28 14:45:20 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -26,8 +26,6 @@
 # http://www.lon-capa.org/
 #
 #
-# There is one parameter controlling the action of this module:
-#
 
 =head1 NAME
 
@@ -35,7 +33,8 @@ Apache::lonmenu
 
 =head1 SYNOPSIS
 
-Coordinates the response to clicking an image.
+Loads contents of /home/httpd/lonTabs/mydesk.tab, 
+used to generate inline menu, and Main Menu page. 
 
 This is part of the LearningOnline Network with CAPA project
 described at http://www.lon-capa.org.
@@ -74,10 +73,19 @@ It is set to 'done' in the BEGIN block o
 =item @primary_menu
 
 The elements of this array reference arrays that are made up of the components
-of those lines of mydesk.tab that start with prim.
+of those lines of mydesk.tab that start with prim:.
 It is used by primary_menu() to generate the corresponding menu.
 It gets filled in the BEGIN block of this module.
 
+=item %primary_sub_menu
+
+The keys of this hash reference are the names of items in the primary_menu array 
+which have sub-menus.  For each key, the corresponding value is a reference to
+an array containing components extracted from lines in mydesk.tab which begin
+with primsub:.
+This hash, which is used by primary_menu to generate sub-menus, is populated in
+the BEGIN block.
+
 =item @secondary_menu
 
 The elements of this array reference arrays that are made up of the components
@@ -107,6 +115,18 @@ entries from mydesk.tab
 
 Same as primary_menu() but operates on @secondary_menu.
 
+=item create_submenu()
+
+Creates XHTML for unordered list of sub-menu items which belong to a
+particular top-level menu item. Uses hover pseudo class in css to display
+dropdown list when mouse hovers over top-level item. Support for IE6
+(no hover psuedo class) via LC_hoverable class for <li> tag for top-
+level item, which employs jQuery to handle behavior on mouseover.
+
+Inputs: 4 - (a) link and (b) target for anchor href in top level item,
+            (c) title for text wrapped by anchor tag in top level item.
+            (d) reference to array of arrays of sub-menu items.
+
 =item innerregister()
 
 This gets called in order to register a URL in the body of the document
@@ -129,6 +149,9 @@ The javascript is usually similar to "go
 
 =item utilityfunctions()
 
+Output from this routine is a number of javascript functions called by
+items in the inline menu, and in some cases items in the Main Menu page. 
+
 =item serverform()
 
 =item constspaceform()
@@ -156,9 +179,10 @@ use Apache::lonlocal;
 use Apache::lonmsg();
 use LONCAPA qw(:DEFAULT :match);
 use HTML::Entities();
+use Apache::lonwishlist();
 
 use vars qw(@desklines %category_names %category_members %category_positions 
-            $readdesk @primary_menu @secondary_menu);
+            $readdesk @primary_menu %primary_submenu @secondary_menu %secondary_submenu);
 
 my @inlineremote;
 
@@ -181,7 +205,7 @@ sub prep_menuitem {
 
 # primary_menu() evaluates @primary_menu and returns XHTML for the menu
 # that contains following links:
-# About, Message, Roles, Help, Logout
+# About, Message, Personal, Roles, Help, Logout
 # @primary_menu is filled within the BEGIN block of this module with 
 # entries from mydesk.tab
 sub primary_menu {
@@ -211,8 +235,35 @@ sub primary_menu {
         next if    $$menuitem[4]        eq 'courses'   ##'Roles' wanted
                 && !&Apache::loncommon::show_course(); ##
         
-            
-        if ($$menuitem[3] eq 'Help') { # special treatment for helplink
+        my $title = $menuitem->[3];
+        if (defined($primary_submenu{$title})) {
+            my ($link,$target);
+            if ($menuitem->[0] ne '') {
+                $link = $menuitem->[0];
+                $target = '_top';
+            } else {
+                $link = '#';
+            }
+            my @primsub;
+            if (ref($primary_submenu{$title}) eq 'ARRAY') {
+                foreach my $item (@{$primary_submenu{$title}}) {
+                    next if (($item->[2] eq 'wishlist') && 
+                             ((!&Apache::lonnet::allowed('bre',"/res/$env{'user.domain'}/")) &&
+                              (!&Apache::lonnet::allowed('bro',"/res/$env{'user.domain'}/"))));
+                    next if (($item->[2] eq 'reqcrs') && (!&check_for_rcrs()));
+                    next if ((($item->[2] eq 'portfolio') || 
+                             ($item->[2] eq 'blog')) && 
+                             (!&Apache::lonnet::usertools_access('','',$item->[2],
+                                                           undef,'tools')));
+                    push(@primsub,$item);
+                }
+                if (@primsub > 0) {
+                    $menu .= &create_submenu($link,$target,$title,\@primsub);
+                } elsif ($link) {
+                    $menu .= '<li><a href="'.$link.'" target="'.$target.'">'.&mt($title).'</a></li>';
+                }
+            }
+        } elsif ($$menuitem[3] eq 'Help') { # special treatment for helplink
             if ($public) {
                 my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
                 my $defdom = &Apache::lonnet::default_login_domain();
@@ -268,12 +319,13 @@ sub secondary_menu {
                                                ? "/$env{'request.course.sec'}"
                                                : '');
     my $canedit       = &Apache::lonnet::allowed('mdc', $env{'request.course.id'});
-    my $canviewgrps   = &Apache::lonnet::allowed('vcg', $crs_sec); 
-    my $canmodifyuser = &Apache::lonnet::allowed('cst', $crs_sec); 
-    my $canviewwnew   = &Apache::lonnet::allowed('whn', $crs_sec); 
+    my $canviewroster = $env{'course.'.$env{'request.course.id'}.'.student_classlist_view'};
+    my $canviewgrps   = &Apache::lonnet::allowed('vcg', $crs_sec);
+    my $canmodifyuser = &Apache::lonnet::allowed('cst', $crs_sec);
+    my $canviewwnew   = &Apache::lonnet::allowed('whn', $crs_sec);
     my $canmodpara    = &Apache::lonnet::allowed('opa', $crs_sec);
     my $canvgr        = &Apache::lonnet::allowed('vgr', $crs_sec);
-    my $canmgr        = &Apache::lonnet::allowed('mgr', $crs_sec); 
+    my $canmgr        = &Apache::lonnet::allowed('mgr', $crs_sec);
     my $author        = &getauthor();
 
     my %groups = &Apache::lonnet::get_active_groups(
@@ -289,6 +341,10 @@ sub secondary_menu {
                 && !$env{'request.course.id'};
         next if    $$menuitem[4]   =~ /^mdc/
                 && !$canedit;
+        next if    $$menuitem[4]  eq 'mdcCourse'
+                && ($crstype eq 'Community');
+        next if    $$menuitem[4]  eq 'mdcCommunity'
+                && ($crstype eq 'Course');
         next if    $$menuitem[4]  eq 'nvgr'
                 && $canvgr;
         next if    $$menuitem[4]  eq 'vgr'
@@ -296,7 +352,7 @@ sub secondary_menu {
         next if    $$menuitem[4]   eq 'cst'
                 && !$canmodifyuser;
         next if    $$menuitem[4]   eq 'ncst'
-                && $canmodifyuser;
+                && ($canmodifyuser || !$canviewroster);
         next if    $$menuitem[4]   eq 'mgr'
                 && !$canmgr;
         next if    $$menuitem[4]   eq 'nmgr'
@@ -305,19 +361,45 @@ sub secondary_menu {
                 && !$canviewwnew;
         next if    $$menuitem[4]   eq 'opa'
                 && !$canmodpara;
-        next if    $$menuitem[4]   =~ /showgroups$/
-                && !$canviewgrps
-                && !%groups;
+        next if    $$menuitem[4]   eq 'nvcg'
+                && ($canviewgrps || !%groups);
         next if    $$menuitem[4]    eq 'author'
                 && !$author;
 
-        if ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
+        my $title = $menuitem->[3];
+        if (defined($secondary_submenu{$title})) {
+            my ($link,$target);
+            if ($menuitem->[0] ne '') {
+                $link = $menuitem->[0];
+                $target = '_top';
+            } else {
+                $link = '#';
+            }
+            my @scndsub;   
+            if (ref($secondary_submenu{$title}) eq 'ARRAY') {
+                foreach my $item (@{$secondary_submenu{$title}}) {
+                    if (ref($item) eq 'ARRAY') {
+                        next if ($item->[2] eq 'vgr' && !$canvgr);
+                        next if ($item->[2] eq 'opa' && !$canmodpara);
+                        next if ($item->[2] eq 'cst' && !$canmodifyuser);
+                        next if ($item->[2] eq 'mgr' && !$canmgr);
+                        next if ($item->[2] eq 'vcg' && !$canviewgrps);
+                        push(@scndsub,$item); 
+                    }
+                }
+                if (@scndsub > 0) {
+                    $menu .= &create_submenu($link,$target,$title,\@scndsub);
+                } elsif ($link) {
+                    $menu .= '<li><a href="'.$link.'" target="'.$target.'">'.&mt($title).'</a></li>';
+                }
+            }
+        } elsif ($$menuitem[3] eq 'Roles' && $env{'request.course.id'}) {
             # special treatment for role selector
             my $roles_selector = &roles_selector(
                         $env{'course.' . $env{'request.course.id'} . '.domain'},
                         $env{'course.' . $env{'request.course.id'} . '.num'}  );
 
-            $menu .= $roles_selector ? "<li>$roles_selector</li>"
+            $menu .= $roles_selector ? "<li style=\"padding: 0 0.8em;\">$roles_selector</li>"
                                      : '';
         } else {
             $menu .= &prep_menuitem(\@$menuitem);
@@ -347,6 +429,33 @@ sub secondary_menu {
     return "<ul id=\"LC_secondary_menu\">$menu</ul>";
 }
 
+sub create_submenu {
+    my ($link,$target,$title,$submenu) = @_;
+    return unless (ref($submenu) eq 'ARRAY');
+    my $menu = '<li class="LC_hoverable">'.
+               '<a href="'.$link.'" target="'.$target.'">'. 
+               '<span class="LC_nobreak">'.&mt($title).
+               '<span class="LC_fontsize_small" style="font-weight:normal;">'.
+               ' &#9660;</span></span></a>'.
+               '<ul>';
+    my $count = 0;
+    my $numsub = scalar(@{$submenu});
+    foreach my $item (@{$submenu}) {
+        $count ++;
+        if (ref($item) eq 'ARRAY') {
+            my $borderbot;
+            if ($count == $numsub) {
+                $borderbot = 'border-bottom:1px solid black;';
+            }
+            $menu .= '<li style="margin:0;padding:0;'.
+                     $borderbot.'"><a href="'.$item->[0].'">'.
+                     &mt($item->[1]).'</a></li>';
+        }
+    }
+    $menu .= '</ul></li>';
+    return $menu;
+}
+
 sub innerregister {
     my ($forcereg,$bread_crumbs) = @_;
     my $const_space = ($env{'request.state'} eq 'construct');
@@ -627,9 +736,14 @@ c&6&3
 c&8&1
 c&8&2
 s&8&3&prt.png&Print&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
-s&9&1&sbkm.png&Bookmark&set[_1]bookmark[_2]&set_bookmark()&Set a bookmark for this resource&&1
-
 ENDMENUITEMS
+            if (&Apache::lonnet::allowed('bre', $env{'request.course.id'}) eq 'F' && $env{'request.uri'} =~ /^\/res/) {
+                # wishlist is only available for users with access to resource-pool
+                # and links can only be set for resources within the resource-pool
+                $menuitems .= (<<ENDMENUITEMS);
+s&9&1&wishlist-link.png&Stored Links&wishlistlink[_2]&set_wishlistlink()&Save a link for this resource in your personal Stored Links repository&&1
+ENDMENUITEMS
+            }
 
 my $currentURL = &Apache::loncommon::get_symb();
 my ($symb_old,$symb_old_enc) = &Apache::loncommon::clean_symb($currentURL);
@@ -659,6 +773,12 @@ ENDREALRES
 	    $menuitems .= (<<ENDMENUITEMS);
 s&8&3&prt.png&Print&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document
 ENDMENUITEMS
+            if (&Apache::lonnet::allowed('bre', $env{'request.course.id'}) eq 'F') {
+                # wishlist is only available for users with access to resource-pool
+                $menuitems .= (<<ENDMENUITEMS);
+s&9&1&wishlist-link.png&Stored Links&wishlistlink[_2]&set_wishlistlink()&Save a link for this resource in your personal Stored Links repository&&1
+ENDMENUITEMS
+            }
 	}
         my $buttons='';
         foreach (split(/\n/,$menuitems)) {
@@ -688,9 +808,18 @@ ENDMENUITEMS
             &Apache::lonhtmlcommon::add_breadcrumb_tool(
                 'navigation', @inlineremote[21,23]);
 
-        if(hidden_button_check() ne 'yes') {
+        my $countdown = &countdown_timer();
+        if (&hidden_button_check() eq 'yes') {
+            if ($countdown) {
+                &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$countdown);
+            }
+        } else {
+            my @tools = @inlineremote[93,91,81,82,83];
+            if ($countdown) {
+                unshift(@tools,$countdown);
+            }
             &Apache::lonhtmlcommon::add_breadcrumb_tool(
-                'tools', @inlineremote[93,91,81,82,83]);
+                'tools',@tools);
 
             #publish button in construction space
             if ($env{'request.state'} eq 'construct'){
@@ -959,9 +1088,19 @@ sub switch {
 	   }
     } else {
 # Inline Menu
-      $inlineremote[$idx]=
+        my @tools = (93,91,81,82,83);
+        unless ($env{'request.state'} eq 'construct') {
+            push(@tools,63);
+        }
+        if (($env{'environment.icons'} eq 'iconsonly') &&
+            (grep(/^$idx$/,@tools))) {
+            $inlineremote[$idx] =
+        '<a title="'.$desc.'" class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.'</a>';
+        } else {
+            $inlineremote[$idx] =
        '<a title="'.$desc.'" class="LC_menubuttons_link" href="javascript:'.$act.';">'.$pic.
        '<span class="LC_menubuttons_inline_text">'.$top.'&nbsp;</span></a>';
+        }
     }
     return '';
 }
@@ -1269,6 +1408,27 @@ END
 
 }
 
+sub countdown_toggle_js {
+    return <<"END";
+
+function toggleCountdown() {
+    var countdownid = document.getElementById('duedatecountdown');
+    var currstyle = countdownid.style.display;
+    if (currstyle == 'inline') {
+        countdownid.style.display = 'none';
+        document.getElementById('ddcountcollapse').innerHTML='';
+        document.getElementById('ddcountexpand').innerHTML='&#9668;&nbsp;';
+    } else {
+        countdownid.style.display = 'inline';
+        document.getElementById('ddcountcollapse').innerHTML='&#9658;&nbsp;';
+        document.getElementById('ddcountexpand').innerHTML='';
+    }
+    return;
+}
+
+END
+}
+
 sub utilityfunctions {
     my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$env{'request.noversionuri'}))[0]));
     if ($currenturl =~ m{^/adm/wrapper/ext/}
@@ -1297,21 +1457,14 @@ sub utilityfunctions {
     my $end_page_annotate = 
         &Apache::loncommon::end_page({'js_ready' => 1});
 
-    my $start_page_bookmark =
-        &Apache::loncommon::start_page('Bookmarks',undef,
-                                       {'only_body' => 1,
-                                        'js_ready'  => 1,
-                                        'bgcolor'   => '#BBBBBB',});
-
-    my $end_page_bookmark =
-        &Apache::loncommon::end_page({'js_ready' => 1});
-
     my $confirm_switch = &mt("Editing requires switching to the resource's home server.").'\n'.
                          &mt('Switch server?');
 
     my $esc_url=&escape($currenturl);
     my $esc_symb=&escape($currentsymb);
 
+    my $countdown = &countdown_toggle_js();
+
 return (<<ENDUTILITY)
 
     var currentURL=unescape("$esc_url");
@@ -1422,13 +1575,6 @@ function group_chat(group) {
    grpchat=window.open(url,winName,'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no');
 }
 
-function edit_bookmarks() {
-   go('');
-   w_BookmarkPal_flag=1;
-   bookmarkpal=window.open("/adm/bookmarks",
-               "BookmarkPal", "width=500,height=505,scrollbars=0");
-}
-
 function annotate() {
    w_Annotator_flag=1;
    annotator=window.open('','Annotator','width=365,height=265,scrollbars=0');
@@ -1442,28 +1588,35 @@ function annotate() {
    annotator.document.close();
 }
 
-function set_bookmark() {
-   go('');
-   clienttitle=document.title;
-   clienthref=location.pathname;
-   w_bmquery_flag=1;
-   bmquery=window.open('','bmquery','width=365,height=165,scrollbars=0');
-   bmquery.document.write(
-   '$start_page_bookmark'
-   +'<center><form method="post"'
-   +' name="newlink" action="/adm/bookmarks" target="bmquery" '
-   +'> <table width="340" height="150" '
-   +'bgcolor="#FFFFFF" align="center"><tr><td>Link Name:<br /><input '
-   +'type="text" name="title" size="45" value="'+clienttitle+'" />'
-   +'<br />Address:<br /><input type="text" name="address" size="45" '
-   +'value="'+clienthref+'" /><br /><center><input type="submit" '
-   +'value="Save" /> <input type="button" value="Close" '
-   +'onclick="javascript:window.close();" /></center></td>'
-   +'</tr></table></form></center>'
-   +'$end_page_bookmark' );
-   bmquery.document.close();
+function open_StoredLinks_Import(rat) {
+   var newWin;
+   if (rat) {
+       newWin = window.open('/adm/wishlist?inhibitmenu=yes&mode=import&rat='+rat,
+                            'wishlistImport','scrollbars=1,resizable=1,menubar=0');
+   }
+   else {
+       newWin = window.open('/adm/wishlist?inhibitmenu=yes&mode=import',
+                            'wishlistImport','scrollbars=1,resizable=1,menubar=0');
+   }
+   newWin.focus();
 }
 
+(function (\$) {
+  \$(document).ready(function () {
+    \$.single=function(a){return function(b){a[0]=b;return a}}(\$([1]));
+    /*\@cc_on
+      if (!window.XMLHttpRequest) {
+        \$('.LC_hoverable').each(function () {
+          this.attachEvent('onmouseenter', function (evt) { \$.single(evt.srcElement).addClass('hover'); });
+          this.attachEvent('onmouseleave', function (evt) { \$.single(evt.srcElement).removeClass('hover'); });
+        });
+      }
+    \@*/
+  });
+}(jQuery));
+
+$countdown
+
 ENDUTILITY
 }
 
@@ -1862,6 +2015,41 @@ sub required_privs {
     return $privs;
 }
 
+sub countdown_timer {
+    if (($env{'request.course.id'}) && ($env{'request.symb'} ne '') &&
+        ($env{'request.filename'}=~/$LONCAPA::assess_re/) &&
+        ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
+        my $duedate = &Apache::lonnet::EXT("resource.0.duedate");
+        if ($duedate && $duedate > time) {
+            my ($collapse,$expand,$title,$currdisp);
+            my @interval=&Apache::lonnet::EXT("resource.0.interval");
+            if (@interval > 1) {
+                $currdisp = 'inline';
+                $collapse = '&#9658;&nbsp;';
+            } else {
+                $currdisp = 'none';
+                $expand = '&#9668;&nbsp;';
+            }
+            unless ($env{'environment.icons'} eq 'iconsonly') {
+                $title = &mt('Timer');
+            }
+            my $desc = &mt('Countdown to due date/time');
+            return <<END;
+
+<a href="javascript:toggleCountdown();" class="LC_menubuttons_link">
+<span id="ddcountcollapse" class="LC_menubuttons_inline_text">
+$collapse
+</a></span>
+<span id="duedatecountdown" class="LC_menubuttons_inline_text" style="display: $currdisp;"></span>
+<a href="javascript:toggleCountdown();" class="LC_menubuttons_link">
+<span id="ddcountexpand" class="LC_menubuttons_inline_text" >$expand</span>
+<img src="/res/adm/pages/timer.png" title="$desc" class="LC_icon"><span class="LC_menubuttons_inline_text">$title</span></a>
+END
+        }
+    }
+    return;
+}
+
 # ================================================================ Main Program
 
 BEGIN {
@@ -1880,9 +2068,15 @@ BEGIN {
                     } elsif ($configline=~/^prim\:/) {
                         my @entries = (split(/\:/, $configline))[1..5];
                         push @primary_menu, \@entries;
+                    } elsif ($configline=~/^primsub\:/) {
+                        my ($parent,@entries) = (split(/\:/, $configline))[1..4];
+                        push (@{$primary_submenu{$parent}},\@entries);
                     } elsif ($configline=~/^scnd\:/) {
                         my @entries = (split(/\:/, $configline))[1..5];
                         push @secondary_menu, \@entries; 
+                    } elsif ($configline=~/^scndsub\:/) {
+                        my ($parent,@entries) = (split(/\:/, $configline))[1..4];
+                        push (@{$secondary_submenu{$parent}},\@entries);
                     } elsif ($configline) {
                         push(@desklines,$configline);
                     }