--- loncom/interface/lonhtmlcommon.pm	2004/04/23 17:49:25	1.67
+++ loncom/interface/lonhtmlcommon.pm	2004/07/03 18:49:42	1.79
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.67 2004/04/23 17:49:25 matthew Exp $
+# $Id: lonhtmlcommon.pm,v 1.79 2004/07/03 18:49:42 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -163,9 +163,15 @@ sub textbox {
 ##############################################
 ##############################################
 sub checkbox {
-    my ($name,$value) = @_;
-    my $Str = '<input type="checkbox" name="'.$name.'"'.
-	($value?' checked="1"':'').' />';
+    my ($name,$checked,$value) = @_;
+    my $Str = '<input type="checkbox" name="'.$name.'" ';
+    if (defined($value)) {
+        $Str .= 'value="'.$value.'"';
+    } 
+    if ($checked) {
+        $Str .= ' checked="1"';
+    }
+    $Str .= ' />';
     return $Str;
 }
 
@@ -835,11 +841,13 @@ sub r_print {
 # ------------------------------------------------------- Puts directory header
 
 sub crumbs {
-    my ($uri,$target,$prefix,$form,$size)=@_;
+    my ($uri,$target,$prefix,$form,$size,$noformat)=@_;
     if (! defined($size)) {
         $size = '+2';
     }
-    my $output='<br /><tt><b><font size="'.$size.'">'.$prefix.'/';
+    my $output='';
+    unless ($noformat) { $output.='<br /><tt><b>'; }
+    $output.='<font size="'.$size.'">'.$prefix.'/';
     if ($ENV{'user.adv'}) {
 	my $path=$prefix.'/';
 	foreach (split('/',$uri)) {
@@ -856,43 +864,90 @@ sub crumbs {
 	$output.=$uri;
     }
     unless ($uri=~/\/$/) { $output=~s/\/$//; }
-    return $output.'</font></b></tt><br />';
+    return $output.'</font>'.($noformat?'':'</b></tt><br />');
 }
 
 # ------------------------------------------------- Output headers for HTMLArea
 
 sub htmlareaheaders {
-    unless (&htmlareablocked()) { return ''; }
+    if (&htmlareablocked()) { return ''; }
+    unless (&htmlareabrowser()) { return ''; }
     my $lang='en';
+    if (&mt('htmlarea_lang') ne 'htmlarea_lang') {
+	$lang=&mt('htmlarea_lang');
+    }
     return (<<ENDHEADERS);
 <script type="text/javascript">
-    _editor_url="/htmlarea/";
+_editor_url='/htmlarea/';
+_editor_lang='$lang';
 </script>
 <script type="text/javascript" src="/htmlarea/htmlarea.js"></script>
-<script type="text/javascript" src="/htmlarea/lang/$lang.js"></script>
-<script type="text/javascript" src="/htmlarea/dialog.js"></script>
-<style type="text/css">
-\@import url(/htmlarea/htmlarea.css);
-</style>
 ENDHEADERS
 }
 
-# ---------------------------------------------------------- Script to activate
+# ------------------------------------------------- Activate additional buttons
 
-sub htmlareaactive {
-    unless (&htmlareablocked()) { return ''; }
-    return (<<ENDSCRIPT);
-<script type="text/javascript" defer="1">
-    HTMLArea.replaceAll();
-</script>
-ENDSCRIPT
+sub htmlareaaddbuttons {
+    if (&htmlareablocked()) { return ''; }
+    unless (&htmlareabrowser()) { return ''; }
+    return (<<ENDADDBUTTON);
+    var config=new HTMLArea.Config();
+    config.registerButton('ed_math','LaTeX Inline',
+			  '/htmlarea/images/ed_math.gif',false,
+			    function(editor,id) {
+			      editor.surroundHTML('<m>\$','\$</m>');
+			    }
+			  );
+    config.registerButton('ed_math_eqn','LaTeX Equation',
+			  '/htmlarea/images/ed_math_eqn.gif',false,
+			    function(editor,id) {
+			      editor.surroundHTML(
+				     '<center><m>\\\\[','\\\\]</m></center>');
+			    }
+			  );
+    config.toolbar.push(['ed_math','ed_math_eqn']);
+ENDADDBUTTON
+}
+
+# ----------------------------------------------------------------- Preferences
+
+sub disablelink {
+    my @fields=@_;
+    if (defined($#fields)) {
+	unless ($#fields>=0) { return ''; }
+    }
+    return '<a href="/adm/preferences?action=set_wysiwyg&wysiwyg=off&returnurl='.&Apache::lonnet::escape($ENV{'REQUEST_URI'}).'">'.&mt('Disable WYSIWYG Editor').'</a>';
+}
+
+sub enablelink {
+    my @fields=@_;
+    if (defined($#fields)) {
+	unless ($#fields>=0) { return ''; }
+    }
+    return '<a href="/adm/preferences?action=set_wysiwyg&wysiwyg=on&returnurl='.&Apache::lonnet::escape($ENV{'REQUEST_URI'}).'">'.&mt('Enable WYSIWYG Editor').'</a>';
+}
+
+# ----------------------------------------- Script to activate only some fields
+
+sub htmlareaselectactive {
+    my @fields=@_;
+    unless (&htmlareabrowser()) { return ''; }
+    if (&htmlareablocked()) { return '<br />'.&enablelink(@fields); }
+    my $output='<script type="text/javascript" defer="1">'.
+	&htmlareaaddbuttons();
+    foreach(@fields) {
+	$output.="\nHTMLArea.replace('$_',config);";
+    }
+    $output.="\nwindow.status='Activated Editfields';\n</script><br />".
+	&disablelink(@fields);
+    return $output;
 }
 
 # --------------------------------------------------------------------- Blocked
 
 sub htmlareablocked {
-    unless (&htmlareabrowser()) { return ''; }
-    return 1;
+    unless ($ENV{'environment.wysiwygeditor'} eq 'on') { return 1; }
+    return 0;
 }
 
 # ---------------------------------------- Browser capable of running HTMLArea?
@@ -969,23 +1024,34 @@ returns: nothing
         # The last breadcrumb does not have a link, so handle it separately.
         my $last = pop(@Crumbs);
         #
-        # The first one should be the course, I guess.
+        # The first one should be the course or a menu link
 	if (!defined($menulink)) { $menulink=1; }
-        if ($menulink && exists($ENV{'request.course.id'}) && $ENV{'request.course.id'} ne '') {
-            my $cid = $ENV{'request.course.id'};
+        if ($menulink) {
+            my $description = 'Menu';
+            if (exists($ENV{'request.course.id'}) && 
+                $ENV{'request.course.id'} ne '') {
+                $description = 
+                    $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+            }
             unshift(@Crumbs,{
-                             href=>'/adm/menu',
-                             title=>'Go to main menu',
-                             text=>$ENV{'course.'.$cid.'.description'},
-                            });
+                    href   =>'/adm/menu',
+                    title  =>'Go to main menu',
+                    target =>'_top',
+                    text   =>$description,
+                });
         }
         my $links .= 
             join('-&gt;',
                  map {
                      $faq = $_->{'faq'} if (exists($_->{'faq'}));
                      $bug = $_->{'bug'} if (exists($_->{'bug'}));
-                     '<a href="'.$_->{'href'}.'" title="'.&mt($_->{'title'}).'">'.
-                         &mt($_->{'text'}).'</a>' 
+                     my $result = '<a href="'.$_->{'href'}.'" ';
+                     if (defined($_->{'target'}) && $_->{'target'} ne '') {
+                         $result .= 'target="'.$_->{'target'}.'" ';
+                     }
+                     $result .='title="'.&mt($_->{'title'}).'">'.
+                         &mt($_->{'text'}).'</a>';
+                     $result;
                      } @Crumbs
                  );
         $links .= '-&gt;' if ($links ne '');
@@ -994,12 +1060,13 @@ returns: nothing
         my $icons = '';
         $faq = $last->{'faq'} if (exists($last->{'faq'}));
         $bug = $last->{'bug'} if (exists($last->{'bug'}));
-        if ($faq ne '') {
-            $icons .= &Apache::loncommon::help_open_faq($faq);
-        }
-        if ($bug ne '') {
-            $icons .= &Apache::loncommon::help_open_bug($bug);
-        }
+#        if ($faq ne '') {
+#            $icons .= &Apache::loncommon::help_open_faq($faq);
+#        }
+#        if ($bug ne '') {
+#            $icons .= &Apache::loncommon::help_open_bug($bug);
+#        }
+        $icons .= &Apache::loncommon::help_open_menu($color,$component,$component_help,$function,$faq,$bug);
         if ($icons ne '') {
             $Str .= $icons.'&nbsp;';
         }