--- loncom/interface/lonhtmlcommon.pm	2012/05/09 19:46:30	1.313
+++ loncom/interface/lonhtmlcommon.pm	2012/10/31 12:54:13	1.328
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.313 2012/05/09 19:46:30 raeburn Exp $
+# $Id: lonhtmlcommon.pm,v 1.328 2012/10/31 12:54:13 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -95,7 +95,7 @@ sub direct_parm_link {
     $filter=&entity_encode($filter);
     $part=&entity_encode($part);
     if (($symb) && (&Apache::lonnet::allowed('opa')) && ($target ne 'tex')) {
-       return "<a target='_top' href='/adm/parmset?symb=$symb&filter=$filter&part=$part'><span class='LC_setting'>$linktext</span></a>";
+       return "<a target='_top' href='/adm/parmset?symb=$symb&amp;filter=$filter&amp;part=$part'><span class='LC_setting'>$linktext</span></a>";
     } else {
        return $linktext;
     }
@@ -209,9 +209,10 @@ dependencies for a web page uploaded dir
 =cut
 
 sub dependencycheck_js {
-    my ($symb,$title) = @_;
+    my ($symb,$title,$url) = @_;
     my $link = '/adm/dependencies?symb='.&HTML::Entities::encode($symb,'<>&"').
-               '&title='.&HTML::Entities::encode($title,'<>&"');
+               '&title='.&HTML::Entities::encode($title,'<>&"').
+               '&url='.&HTML::Entities::encode($url,'<>&"');
     return <<ENDJS;
                 <script type="text/javascript">
                 // <![CDATA[
@@ -1100,6 +1101,7 @@ sub Close_PrgWin {
     undef(%$prog_state);
 }
 
+
 # ------------------------------------------------------- Puts directory header
 
 sub crumbs {
@@ -1210,6 +1212,10 @@ ENDEDITOR
 <link rel="stylesheet" type="text/css" href="/adm/jpicker/css/jPicker-1.1.6.min.css" />
 <script type="text/javascript" src="/adm/countdown/js/jquery.countdown.js"></script>
 <link rel="stylesheet" type="text/css" href="/adm/countdown/css/jquery.countdown.css" />
+
+<script type="text/javascript" src="/adm/spellchecker/js/jquery.spellchecker.min.js"></script>
+<link rel="stylesheet" type="text/css" href="/adm/spellchecker/css/spellchecker.css" />
+
 ENDJQUERY
 	return $s;
 }
@@ -1225,6 +1231,17 @@ sub htmlarea_lang {
     return $lang;
 }
 
+# return javacsript to activate elements of .colorchooser with jpicker:
+# Caller is responsible for enclosing this in <script> tags:
+#
+sub color_picker {
+    return '
+$(document).ready(function(){
+    $.fn.jPicker.defaults.images.clientPath="/adm/jpicker/images/";
+    $(".colorchooser").jPicker({window: { position: {x: "screenCenter", y: "bottom"}}});
+});';
+}
+
 # ----------------------------------------- Script to activate only some fields
 
 sub htmlareaselectactive {
@@ -1338,12 +1355,12 @@ sub htmlareaselectactive {
 			$(this).before("<div><a href=\"#\" id=\"LC_rt_"+id+"\" title=\"Enable rich text formatting (bold, italic, etc.)\" class=\"LC_enable_rt\"><b>Rich formatting &raquo;</b></a></div>");
 			$("#LC_rt_"+id).click(editorHandler);
 		});
-                $.fn.jPicker.defaults.images.clientPath="/adm/jpicker/images/";
-                $(".colorchooser").jPicker();
 
 
 	});
 ';
+    $output .= &color_picker;
+
     # Code to put a due date countdown in 'duedatecountdown' span.
     # This is currently located in the breadcrumb headers.
     # note that the dueDateLayout is internatinoalized below.
@@ -1370,7 +1387,9 @@ sub htmlareaselectactive {
     #   is used to determine when the countdown timer turns red to warn the user
     #   to think about submitting.
 
-    my $dueDateLayout = '<b>' .  &mt('Due in: {dn} {dl} {hnn}{sep}{mnn}{sep}{snn} - Submit early!') . '</b>';
+    my $dueDateLayout = &mt('Due in: {dn} {dl} {hnn}{sep}{mnn}{sep}{snn} [_1]',"<span id='submitearly'></span>");
+    my $early = '- <b>'.&mt('Submit Early').'</b>';
+    my $pastdue = '- <b>'.&mt('Past Due').'</b>';
     $output .= <<JAVASCRIPT;
 
     var documentReadyTime;
@@ -1382,6 +1401,12 @@ sub htmlareaselectactive {
          layout: "$dueDateLayout",
          onTick: function (periods) {
 	    var latencyEstimate = (documentReadyTime - clientTime) * 2;
+            if(\$.countdown.periodsToSeconds(periods) < (300 + latencyEstimate)) {
+               \$("#submitearly").html("$early");
+               if (\$.countdown.periodsToSeconds(periods) < 1) {
+                    \$("#submitearly").html("$pastdue");
+               }
+            }
             if(\$.countdown.periodsToSeconds(periods) < (60 + latencyEstimate)) {
                \$(this).css("color", "red");   //Highlight last minute.
             }
@@ -1389,6 +1414,40 @@ sub htmlareaselectactive {
       });
    }
 });
+
+    /* This code describes the spellcheck options that will be used for
+       items with class 'spellchecked'.  It is necessary for those objects'
+       to explicitly request checking (e.g. onblur is a nice event for that).
+     */
+     \$(document).ready(function() {
+	 \$(".spellchecked").spellchecker({
+	   url: "/ajax/spellcheck",
+	   lang: "en",                      
+	   engine: "pspell",
+	   suggestionBoxPosition: "below",
+	   innerDocument: true
+					  });
+	 \$("textarea.spellchecked").spellchecker({
+	   url: "/ajax/spellcheck",
+	   lang: "en",                      
+	   engine: "pspell",
+	   suggestionBoxPosition: "below",
+	   innerDocument: true
+					  });
+
+			});
+
+    /* the muli colored editor can generate spellcheck with language 'none'
+       to disable spellcheck as well
+    */
+    function doSpellcheck(element, lang) {
+	if (lang != 'none') {
+ 	    \$(element).spellchecker('option', {lang: lang});
+	    \$(element).spellchecker('check');
+        }
+    }
+
+
 JAVASCRIPT
     if ($dragmath_prefix ne '') {
         $output .= '
@@ -1445,7 +1504,7 @@ sub show_return_link {
 
     unless ($env{'request.course.id'}) { return 0; }
     if ($env{'request.noversionuri'}=~m{^/priv/} ||
-        $env{'request.uri'}=~m{^/~}) { return 1; }
+        $env{'request.uri'}=~m{^/priv/}) { return 1; }
 
     if (($env{'request.noversionuri'} =~ m{^/adm/(viewclasslist|navmaps)($|\?)})
         || ($env{'request.noversionuri'} =~ m{^/adm/.*/aboutme($|\?)})) {
@@ -1484,8 +1543,9 @@ sub set_due_date {
     # The code should correct for gross differences between the server
     # and client's time setting
 
-    my $js = "
-<script type='text/javascript'>
+     return <<"END";
+
+<script type="text/javascript">
   //<![CDATA[
 var serverDueDate = $duems;
 var serverTime    = $now;
@@ -1494,9 +1554,8 @@ var dueDate       = new Date(serverDueDa
 
   //]]>
 </script>
-";
 
-    return $js;
+END
 }
 ##
 # Sets the time at which the problem finished computing.
@@ -1508,17 +1567,16 @@ var dueDate       = new Date(serverDueDa
 sub set_compute_end_time {
 
     my $now = time()*1000;	# Javascript times are in ms.
-    my $js = "
-<script type='text/javascript'>
+    return <<"END";
+
+<script type="text/javascript">
 //<![CDATA[
 serverTime = $now;
 clientTime = (new Date()).getTime();
 //]]>
 </script>
 
-";
-    return $js;
-    
+END
 }
 
 ############################################################
@@ -1568,7 +1626,8 @@ returns: nothing
     my %tools = ();
     
     sub breadcrumbs {
-        my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt, $CourseBreadcrumbs) = @_;
+        my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt, 
+            $CourseBreadcrumbs) = @_;
         #
         $css_class ||= 'LC_breadcrumbs';
 
@@ -1609,9 +1668,11 @@ returns: nothing
         my $links;
         if ((&show_return_link) && (!$CourseBreadcrumbs)) {
             my $alttext = &mt('Go Back');
-            $links=&htmltag( 'a',"<img src='/res/adm/pages/reload.png' border='0' style='vertical-align:middle;' alt='$alttext' />",
+            $links=&htmltag( 'a','<img src="/res/adm/pages/tolastloc.png" alt="'.$alttext.'" class="LC_icon" />',
                             { href => '/adm/flip?postdata=return:',
-                              title => &mt("Back to most recent content resource") });
+                              title => &mt('Back to most recent content resource'),
+                              class => 'LC_menubuttons_link',
+                            });
             $links=&htmltag('li',$links);
         }
         $links.= join "", 
@@ -1643,10 +1704,6 @@ returns: nothing
         $links .= &htmltag( 'li', htmltag($CourseBreadcrumbs ? 'b' : 'h1',
                 $lasttext), {title => $lasttext});
 
-        unless ($CourseBreadcrumbs) {
-            $links .=   '<li> <span id="duedatecountdown"></span></li>';
-        }
-
         my $icons = '';
         $faq  = $last->{'faq'}  if (exists($last->{'faq'}));
         $bug  = $last->{'bug'}  if (exists($last->{'bug'}));
@@ -1724,7 +1781,7 @@ Currently there are 3 possible values fo
 left of breadcrumbs line
 
 =item tools 
-right of breadcrumbs line
+remaining items in right of breadcrumbs line
 
 =item advtools 
 advanced tools shown in a separate box below breadcrumbs line 
@@ -2954,6 +3011,56 @@ FOURTH
     return $output;
 }
 
+##############################################
+##############################################
+
+sub javascript_jumpto_resource {
+    my $confirm_switch = &mt("Editing requires switching to the resource's home server.").'\n'.
+                         &mt('Switch server?');
+    return (<<ENDUTILITY)
+
+function go(url) {
+   if (url!='' && url!= null) {
+       currentURL = null;
+       currentSymb= null;
+       window.location.href=url;
+   }
+}
+
+function need_switchserver(url) {
+    if (url!='' && url!= null) {
+        if (confirm("$confirm_switch")) {
+            go(url);
+        }
+    }
+    return;
+}
+
+ENDUTILITY
+
+}
+
+sub jump_to_editres {
+    my ($cfile,$home,$switchserver,$uploaded,$symb) = @_;
+    my $jscall;
+    if ($switchserver) {
+        if ($symb && $home) {
+            $cfile = '/adm/switchserver?otherserver='.$home.'&amp;role='.
+                     &HTML::Entities::encode($env{'request.role'},'"<>&').'&amp;'.
+                    'symb='.&HTML::Entities::encode($env{'request.symb'},'"<>&');
+            if ($uploaded) {
+                $cfile .= '&amp;forceedit=1';
+            }
+            $jscall = "need_switchserver('$cfile');";
+        }
+    } else {
+        if ($uploaded) {
+            $cfile .= '?forceedit=1';
+        }
+        $jscall = "go('$cfile')";
+    }
+    return $jscall;
+}
 
 ##############################################
 ##############################################