--- loncom/interface/lonhtmlcommon.pm	2008/07/07 11:02:05	1.176
+++ loncom/interface/lonhtmlcommon.pm	2009/01/22 14:26:04	1.199
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.176 2008/07/07 11:02:05 foxr Exp $
+# $Id: lonhtmlcommon.pm,v 1.199 2009/01/22 14:26:04 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -68,35 +68,54 @@ use LONCAPA;
 
 =pod
 
-=item dragmath
+=item dragmath_button
 
-Creates a button that will allow dragmath to edit an equation into 
-a specified textbox.
+Creates a button that launches a dragmath popup-window, in which an 
+expression can be edited and pasted as LaTeX into a specified textarea. 
+
+  textarea - Name of the textarea to edit.
+  helpicon - If true, show a help icon to the right of the button.
 
-  textarea - Name of the text area to edit.
 =cut
 
+sub dragmath_button {
+    my ($textarea,$helpicon) = @_;
+    my $help_text; 
+    if ($helpicon) {
+        $help_text = &Apache::loncommon::help_open_topic('Authoring_Math_Editor');
+    }
+    my $buttontext=&mt('Edit Math');
+    return <<ENDDRAGMATH;
+                <input type="button" value="$buttontext", onclick="javascript:mathedit('$textarea',document)" />$help_text
+ENDDRAGMATH
+}
+
 ##############################################
-# TODO: Figure out a way to only emit the mathedit function once.
-#       per html output document.
-#
-##############################################
 
-sub dragmath {
-    my ($textarea) = @_;
+=pod
+
+=item dragmath_js
 
-    return <<ENDDRAGMATH;
-                <script language="JavaScript">
+Javascript used to open pop-up window containing dragmath applet which 
+can be used to paste LaTeX into a textarea.
+ 
+=cut
+
+sub dragmath_js {
+    my ($popup) = @_;
+    return <<ENDDRAGMATHJS;
+                <script type="text/javascript">
                   function mathedit(textarea, doc) {
                      targetEntry = textarea;
-		     targetDoc   = doc;
-                     newwin  = window.open("/adm/dragmath/applet/EditMathPopup.html","","width=565,height=500,resizable");
+                     targetDoc   = doc;
+                     newwin  = window.open("/adm/dragmath/applet/$popup.html","","width=565,height=500,resizable");
                   }
                 </script>
-                <input type="button" value="Edit Math", onclick="javascript:mathedit('$textarea',document)" />
-ENDDRAGMATH
+
+ENDDRAGMATHJS
 }
 
+
 ##############################################
 ##############################################
 
@@ -448,7 +467,7 @@ document.$formname.$dname\_year.value,
     }
 </script>
 ENDJS
-    $result .= '  <span style="white-space: nowrap;">';
+    $result .= '  <span class="LC_nobreak">';
     my $monthselector = qq{<select name="$dname\_month" $special $state onchange="javascript:$dname\_checkday()" >};
     # Month
     my @Months = qw/January February  March     April   May      June 
@@ -1259,6 +1278,8 @@ Inputs: $component (the large text on th
         $menulink (boolean, controls whether to include a link to /adm/menu)
         $helplink (if 'nohelp' don't include the orange help link)
         $css_class (optional name for the class to apply to the table for CSS)
+        $no_mt (optional flag, 1 if &mt() is _not_ to be applied to $component
+           when including the text on the right.
 Returns a string containing breadcrumbs for the current page.
 
 =item clear_breadcrumbs
@@ -1284,15 +1305,18 @@ returns: nothing
     my @Crumbs;
     
     sub breadcrumbs {
-        my ($component,$component_help,$menulink,$helplink,$css_class) = @_;
+        my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt) = @_;
         #
 	$css_class ||= 'LC_breadcrumbs';
-        my $Str = "\n".'<table class="'.$css_class.'"><tr><td>';
+        my $Str1 = '<ol id="LC_MenuBreadcrumbs">';
+        my $Str = '';
         #
         # Make the faq and bug data cascade
         my $faq = '';
         my $bug = '';
 	my $help='';
+	# Crumb Symbol
+	my $crumbsymbol = ' &#x25b6; ';
         # The last breadcrumb does not have a link, so handle it separately.
         my $last = pop(@Crumbs);
         #
@@ -1316,30 +1340,30 @@ returns: nothing
                 });
         }
         my $links .= 
-            join('-&gt;',
+            join($crumbsymbol,
                  map {
                      $faq = $_->{'faq'} if (exists($_->{'faq'}));
                      $bug = $_->{'bug'} if (exists($_->{'bug'}));
                      $help = $_->{'help'} if (exists($_->{'help'}));
-                     my $result = '<a href="'.$_->{'href'}.'" ';
+                     my $result = '<li><a href="'.$_->{'href'}.'" ';
                      if (defined($_->{'target'}) && $_->{'target'} ne '') {
                          $result .= 'target="'.$_->{'target'}.'" ';
                      }
 		     if ($_->{'no_mt'}) {
 			 $result .='title="'.$_->{'title'}.'">'.
-			     $_->{'text'}.'</a>';
+			     $_->{'text'}.'</a></li>';
 		     } else {
 			 $result .='title="'.&mt($_->{'title'}).'">'.
-			     &mt($_->{'text'}).'</a>';
+			     &mt($_->{'text'}).'</a></li>';
 		     }
                      $result;
                      } @Crumbs
                  );
-        $links .= '-&gt;' if ($links ne '');
+        $links .= $crumbsymbol if ($links ne '');
 	if ($last->{'no_mt'}) {
-	    $links .= '<b>'.$last->{'text'}.'</b>';
+	    $links .= '<li><b>'.$last->{'text'}.'</b></li>';
 	} else {
-	    $links .= '<b>'.&mt($last->{'text'}).'</b>';
+	    $links .= '<li><b>'.&mt($last->{'text'}).'</b></li>';
 	}
         #
         my $icons = '';
@@ -1359,23 +1383,27 @@ returns: nothing
 							 $faq,$bug);
 	}
         #
-        $Str .= $links.'</td>';
+        $Str1 .= $links.'</ol>';
         #
         if (defined($component)) {
-            $Str .= '<td class="'.$css_class.'_component">'.
-                &mt($component);
+            $Str .= "\n".'<table class="'.$css_class.'">'
+                   .'<tr><td class="'.$css_class.'_component">';
+            if ($no_mt) {
+                $Str .= $component;
+            } else {
+                $Str .= &mt($component);
+            }
 	    if ($icons ne '') {
 		$Str .= '&nbsp;'.$icons;
 	    }
-	    $Str .= '</td>';
+	    $Str .= '</td></tr></table>'."\n";
         }
-        $Str .= '</tr></table>'."\n";
         #
         # Return the @Crumbs stack to what we started with
         push(@Crumbs,$last);
         shift(@Crumbs);
         #
-        return $Str;
+        return "$Str\n$Str1";
     }
 
     sub clear_breadcrumbs {
@@ -1444,6 +1472,9 @@ returns: nothing
 # routines, but can also be called directly to start and end rows which have 
 # needs that are not accommodated by the *_select_row() routines.    
 
+{ # Start: row_count block for pick_box
+my @row_count;
+
 sub start_pick_box {
     my ($css_class) = @_;
     if (defined($css_class)) {
@@ -1451,6 +1482,7 @@ sub start_pick_box {
     } else {
 	$css_class= 'class="LC_pick_box"';
     }
+    unshift(@row_count,0);
     my $output = <<"END";
  <table $css_class>
 END
@@ -1458,19 +1490,28 @@ END
 }
 
 sub end_pick_box {
+    shift(@row_count);
     my $output = <<"END";
        </table>
 END
     return $output;
 }
 
+sub row_headline {
+    my $output = <<"END";
+           <tr><td colspan="2">
+END
+    return $output;
+}
+
 sub row_title {
+    $row_count[0]++;
+    my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
     my ($title,$css_title_class,$css_value_class) = @_;
     $css_title_class ||= 'LC_pick_box_title';
     $css_title_class = 'class="'.$css_title_class.'"';
 
     $css_value_class ||= 'LC_pick_box_value';
-    $css_value_class = 'class="'.$css_value_class.'"';
 
     if ($title ne '') {
         $title .= ':';
@@ -1480,7 +1521,7 @@ sub row_title {
             <td $css_title_class>
 	       $title
             </td>
-            <td $css_value_class>
+            <td class="$css_value_class $css_class">
 ENDONE
     return $output;
 }
@@ -1502,6 +1543,9 @@ ENDTWO
     return $output;
 }
 
+} # End: row_count block for pick_box
+
+
 sub role_select_row {
     my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_;
     my $output;
@@ -1509,7 +1553,7 @@ sub role_select_row {
         $output = &row_title($title,$css_class);
     }
     $output .= qq|
-                                  <select name="roles" multiple >\n|;
+                                  <select name="roles" multiple="multiple">\n|;
     foreach my $role (@$roles) {
         my $plrole;
         if ($role eq 'ow') {
@@ -1636,7 +1680,7 @@ sub status_select_row {
         $output = &row_title($title,$css_class,'LC_pick_box_select');
     }
     $output .= qq|
-                                    <select name="types" multiple>\n|;
+                                    <select name="types" multiple="multiple">\n|;
     foreach my $status_type (sort(keys(%{$types}))) {
         $output .= '  <option value="'.$status_type.'">'.$$types{$status_type}.'</option>';
     }
@@ -1680,6 +1724,7 @@ sub email_default_row {
 
 sub submit_row {
     my ($title,$cmd,$submit_text,$css_class) = @_;
+    $submit_text = &mt($submit_text);
     my $output = &row_title($title,$css_class,'LC_pick_box_submit');
     $output .= qq|
              <br />
@@ -1710,6 +1755,25 @@ sub course_custom_roles {
 
 ##############################################
 ##############################################
+
+# topic_bar
+#
+# Generates a div containing a numbered (static image) followed by a title
+# with a background color defined in the corresponding CSS: LC_topic_bar
+#
+sub topic_bar {
+    my ($imgnum,$title) = @_;
+    return '
+<div class="LC_topic_bar">
+    <img alt="'.&mt('Step [_1]',$imgnum).
+              '"src="/res/adm/pages/bl_step'.$imgnum.'.gif" />&nbsp;
+    <span>'.$title.'</span>
+</div>
+';
+}
+
+##############################################
+##############################################
                                                                              
 # echo_form_input
 #
@@ -1957,6 +2021,74 @@ END
     return $scripttag;
 }
 
+##############################################
+##############################################
+
+# generate_menu
+#
+# Generates html markup for a menu. 
+#
+# Inputs:
+# An array of following structure:
+#   ({	categorytitle => 'Categorytitle',
+#	items => [
+#		    {	linktext    =>	'Text to be displayed',
+#			url	    =>	'URL the link is pointing to, i.e. /adm/site?action=dosomething',
+#			permission  =>	'Contains permissions as returned from lonnet::allowed(),
+#					 must evaluate to true in order to activate the link',
+#			icon        =>  'icon filename',
+#			alttext	    =>	'alt text for the icon',
+#			help	    =>	'Name of the corresponding helpfile',
+#			linktitle   =>	'Description of the link (used for title tag)'
+#		    },
+#		    ...
+#		]
+#   }, 
+#   ...
+#   )
+#
+# Outputs: A scalar containing the html markup for the menu.
+
+# ---- Remove when done ----
+# This routine is part of the redesign of LON-CAPA and it's 
+# subject to change during this project.
+# Don't rely on its current functionality as it might be 
+# changed or removed.
+# TODO:
+# check for empty values
+# --------------------------
+
+sub generate_menu {
+    my @menu = @_;
+    my $menu_html = qq|<div class="LC_columnSection">|;
+
+    foreach my $category (@menu) { #FIXME: insert appropriate classnames for styles when they're finished.
+	$menu_html .='<div class="LC_ContentBoxSpecial">
+			<h3 class="LC_hcell">'.mt($category->{'categorytitle'}).'</h3>
+			<ul class="LC_ListStyleNormal">';
+	foreach my $item ( @{ $category->{items} } ) {
+	    next unless $item->{'permission'};
+	    $menu_html .= qq|<li class="LC_menubuttons_inline_text"><a href="$item->{'url'}" title="|.mt($item->{'linktitle'}).'">';
+            if($item->{'icon'}){
+                $menu_html .= qq|<img class ="LC_noBorder LC_middle" src="/res/adm/pages/$item->{'icon'}" alt="|;
+		if($item->{'alttext'}){
+		    $menu_html .= $item->{'alttext'}.'"/></a>';
+		} else { #use linktext as alt text for the icon
+		    $menu_html .= qq|$item->{'linktext'}"/></a>|;
+                } 
+            }
+	    $menu_html .= qq|<a href="$item->{'url'}" title="|.mt($item->{'linktitle'}).'">';
+            $menu_html .= mt($item->{'linktext'}).'</a>';
+	    if (exists($item->{'help'})) {
+		$menu_html .= Apache::loncommon::help_open_topic($item->{'help'});
+	    }
+	    $menu_html .= '</li>';
+	}
+	$menu_html .= '</ul></div>';
+    }
+    $menu_html .= qq|</div>|;
+    return $menu_html;
+}
 
 
 1;