--- loncom/interface/lonhtmlcommon.pm	2009/07/02 17:22:33	1.226
+++ loncom/interface/lonhtmlcommon.pm	2009/12/01 18:07:50	1.252
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.226 2009/07/02 17:22:33 bisitz Exp $
+# $Id: lonhtmlcommon.pm,v 1.252 2009/12/01 18:07:50 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -62,6 +62,16 @@ use Apache::lonlocal;
 use Apache::lonnet;
 use LONCAPA;
 
+
+sub coursepreflink {
+   my ($text,$category)=@_;
+   if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
+      return '<a href="/adm/courseprefs?phase=display&actions='.$category.'">'.$text.'</a>';
+   } else {
+      return '';
+   }
+}
+
 ##############################################
 ##############################################
 
@@ -82,7 +92,7 @@ sub confirm_success {
             .'</span>'."\n";
    } else {
       return '<span class="LC_success">'."\n"
-            .'<img src="/adm/lonIcons/navmap.correct.gif" alt="'.&mt('Ok').'" /> '."\n"
+            .'<img src="/adm/lonIcons/navmap.correct.gif" alt="'.&mt('OK').'" /> '."\n"
             .$message."\n"
             .'</span>'."\n";
    }
@@ -111,7 +121,7 @@ sub dragmath_button {
     }
     my $buttontext=&mt('Edit Math');
     return <<ENDDRAGMATH;
-                <input type="button" value="$buttontext", onclick="javascript:mathedit('$textarea',document)" />$help_text
+                <input type="button" value="$buttontext" onclick="javascript:mathedit('$textarea',document)" />$help_text
 ENDDRAGMATH
 }
 
@@ -160,8 +170,8 @@ sub authorbombs {
     $url=&Apache::lonnet::declutter($url);
     my ($udom,$uname)=($url=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)/});
     my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
-    foreach (keys %bombs) {
-	if ($_=~/^$udom\/$uname\//) {
+    foreach my $bomb (keys(%bombs)) {
+	if ($bomb =~ /^$udom\/$uname\//) {
 	    return '<a href="/adm/bombs/'.$url.
 		'"><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/bomb.gif').'" alt="'.&mt('Bomb').'" border="0" /></a>'.
 		&Apache::loncommon::help_open_topic('About_Bombs');
@@ -222,6 +232,9 @@ sub select_recent {
 	unless ($value =~/^error\:/) {
 	    my $escaped = &Apache::loncommon::escape_url($value);
 	    &Apache::loncommon::inhibit_menu_check(\$escaped);
+            if ($area eq 'residx') {
+                next if ((!&Apache::lonnet::allowed('bre',$value)) && (!&Apache::lonnet::allowed('bro',$value)));
+            }
 	    $return.="\n<option value='$escaped'>".
 		&unescape((split(/\&/,$recent{$value}))[1]).
 		'</option>';
@@ -239,7 +252,7 @@ sub get_recent {
 # Begin filling return_hash with any 'always_include' option
     my %time_hash = ();
     my %return_hash = ();
-    foreach my $item (keys %recent) {
+    foreach my $item (keys(%recent)) {
         my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
         if ($thistime eq 'always_include') {
             $return_hash{$item} = &unescape($thisvalue);
@@ -505,9 +518,9 @@ ENDJS
     unshift(@Months,'If you can read this an error occurred');
     if ($includeempty) { $monthselector.="<option value=''></option>"; }
     for(my $m = 1;$m <=$#Months;$m++) {
-        $monthselector .= qq{      <option value="$m" };
-        $monthselector .= "selected " if ($m-1 eq $month);
-        $monthselector .= '> '.&mt($Months[$m]).' </option>';
+        $monthselector .= qq{      <option value="$m"};
+        $monthselector .= ' selected="selected"' if ($m-1 eq $month);
+        $monthselector .= '> '.&mt($Months[$m]).' </option>'."\n";
     }
     $monthselector.= '  </select>';
     # Day
@@ -520,8 +533,8 @@ ENDJS
         $hourselector.=qq{<option value=''></option>};
     }
     for (my $h = 0;$h<24;$h++) {
-        $hourselector .= qq{<option value="$h" };
-        $hourselector .= "selected " if (defined($hour) && $hour == $h);
+        $hourselector .= qq{<option value="$h"};
+        $hourselector .= ' selected="selected"' if (defined($hour) && $hour == $h);
         $hourselector .= ">";
         my $timest='';
         if ($h == 0) {
@@ -978,8 +991,7 @@ sub Create_PrgWin {
 
 	#the whole function called through timeout is due to issues
 	#in mozilla Read BUG #2665 if you want to know the whole story
-	&r_print($r,'<script type="text/javascript">'.
-        '// <![CDATA['.
+	&r_print($r,&Apache::lonhtmlcommon::scripttag(
         "var popwin;
          function openpopwin () {
          popwin=open(\'\',\'popwin\',\'width=400,height=100\');".
@@ -990,9 +1002,8 @@ sub Create_PrgWin {
 	      &mt('Starting').'" /><\\/form>'.$end_page.
               "\');".
         "popwin.document.close();}".
-        "\nwindow.setTimeout(openpopwin,0)".
-        '// ]]>'.
-        '</script>');
+        "\nwindow.setTimeout(openpopwin,0)"
+    ));
 	$prog_state{'formname'}='popremain';
 	$prog_state{'inputname'}="remaining";
     } elsif ($type eq 'inline') {
@@ -1025,14 +1036,12 @@ sub Create_PrgWin {
 # update progress
 sub Update_PrgWin {
     my ($r,$prog_state,$displayString)=@_;
-    &r_print($r,'<script type="text/javascript">'.
-        '// <![CDATA['.
+    &r_print($r,&Apache::lonhtmlcommon::scripttag(
         $$prog_state{'window'}.'.document.'.
-	     $$prog_state{'formname'}.'.'.
-	     $$prog_state{'inputname'}.'.value="'.
-	     $displayString.'";'.
-        '// ]]>'.
-        '</script>');
+        $$prog_state{'formname'}.'.'.
+        $$prog_state{'inputname'}.'.value="'.
+        $displayString.'";'
+    ));
     $$prog_state{'laststart'}=&Time::HiRes::time();
 }
 
@@ -1085,15 +1094,13 @@ sub Increment_PrgWin {
     if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
         $lasttime = '';
     }
-    &r_print($r,'<script>'.
-        '// <![CDATA['.
+    &r_print($r,&Apache::lonhtmlcommon::scripttag(
         $$prog_state{'window'}.'.document.'.
-	     $$prog_state{'formname'}.'.'.
-	     $$prog_state{'inputname'}.'.value="'.
-	     $$prog_state{'done'}.'/'.$$prog_state{'max'}.
-	     ': '.$time_est.' '.&mt('remaining').' '.$lasttime.'";'.
-        '// ]]>'.
-        '</script>');
+        $$prog_state{'formname'}.'.'.
+        $$prog_state{'inputname'}.'.value="'.
+        $$prog_state{'done'}.'/'.$$prog_state{'max'}.
+        ': '.$time_est.' '.&mt('remaining').' '.$lasttime.'";'
+    ));
     $$prog_state{'laststart'}=&Time::HiRes::time();
 }
 
@@ -1101,11 +1108,9 @@ sub Increment_PrgWin {
 sub Close_PrgWin {
     my ($r,$prog_state)=@_;
     if ($$prog_state{'type'} eq 'popup') {
-        &r_print($r,'<script>'.
-            '// <![CDATA['.
-            'popwin.close()'.
-            '// ]]>'.
-            '</script>'."\n");
+        &r_print($r,&Apache::lonhtmlcommon::scripttag(
+            'popwin.close()'
+        ));
     } elsif ($$prog_state{'type'} eq 'inline') {
 	&Update_PrgWin($r,$prog_state,&mt('Done'));
     }
@@ -1125,47 +1130,45 @@ sub r_print {
 # ------------------------------------------------------- Puts directory header
 
 sub crumbs {
-    my ($uri,$target,$prefix,$form,$size,$noformat,$skiplast)=@_;
-    if (! defined($size)) {
-        $size = '+2';
-    }
+    my ($uri,$target,$prefix,$form,$skiplast)=@_;
     if ($target) {
         $target = ' target="'.
                   &Apache::loncommon::escape_single($target).'"';
     }
-    my $output='';
-    unless ($noformat) { $output.='<br /><tt><b>'; }
-    $output.='<font size="'.$size.'">'.$prefix.'/';
-    if ($env{'user.adv'}) {
-	my $path=$prefix.'/';
-	foreach my $dir (split('/',$uri)) {
+    my $output='<span class="LC_filename">';
+    $output.=$prefix.'/';
+    if (($env{'user.adv'}) || ($env{'user.author'})) {
+        my $path=$prefix.'/';
+        foreach my $dir (split('/',$uri)) {
             if (! $dir) { next; }
             $path .= $dir;
-	    if ($path eq $uri) {
-		if ($skiplast) {
-		    $output.=$dir;
+            if ($path eq $uri) {
+                if ($skiplast) {
+                    $output.=$dir;
                     last;
-		} 
-	    } else {
-		$path.='/'; 
-	    }	    
+                } 
+            } else {
+                $path.='/'; 
+            }
             my $href_path = &HTML::Entities::encode($path,'<>&"');
-	    &Apache::loncommon::inhibit_menu_check(\$href_path);
-	    if ($form) {
-	        my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
-	        $output.=qq{<a href="$href" $target>$dir</a>/};
-	    } else {
-	        $output.=qq{<a href="$href_path" $target>$dir</a>/};
-	    }
-	}
+            &Apache::loncommon::inhibit_menu_check(\$href_path);
+            if ($form) {
+                my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
+                $output.=qq{<a href="$href"$target>$dir</a>/};
+            } else {
+                $output.=qq{<a href="$href_path"$target>$dir</a>/};
+            }
+        }
     } else {
-	foreach my $dir (split('/',$uri)) {
+        foreach my $dir (split('/',$uri)) {
             if (! $dir) { next; }
-	    $output.=$dir.'/';
-	}
+            $output.=$dir.'/';
+        }
     }
     if ($uri !~ m|/$|) { $output=~s|/$||; }
-    return $output.'</font>'.($noformat?'':'</b></tt><br />');
+    $output.='</span>';
+
+    return $output;
 }
 
 # --------------------- A function that generates a window for the spellchecker
@@ -1272,8 +1275,8 @@ sub htmlareaselectactive {
     my @fields=@_;
     unless (&htmlareabrowser()) { return ''; }
     if (&htmlareablocked()) { return '<br />'.&enablelink(@fields); }
-    my $output='<script type="text/javascript" defer="1">'
-              .'// <![CDATA[';
+    my $output='<script type="text/javascript" defer="1">'."\n"
+              .'// <![CDATA['."\n";
     my $lang = &htmlarea_lang();
     foreach my $field (@fields) {
 	$output.="
@@ -1287,7 +1290,7 @@ sub htmlareaselectactive {
 }";
     }
     $output.="\nwindow.status='Activated Editfields';\n"
-            .'// ]]>'
+            .'// ]]>'."\n"
             .'</script><br />'.
 	&disablelink(@fields);
     return $output;
@@ -1350,6 +1353,7 @@ returns: nothing
 ############################################################
 {
     my @Crumbs;
+    my %tools = ();
     
     sub breadcrumbs {
         my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt, $CourseBreadcrumbs) = @_;
@@ -1435,7 +1439,7 @@ returns: nothing
         unless ($CourseBreadcrumbs) {
             $links = htmltag('ol',  $links, { id => "LC_MenuBreadcrumbs"   });
         } else {
-            $links = htmltag('ul',  $links, { id => "LC_CourseBreadcrumbs" });
+            $links = htmltag('ul',  $links, { class => "LC_CourseBreadcrumbs" });
         }
 
         if ($component) {
@@ -1446,8 +1450,12 @@ returns: nothing
                              .$links;
         }
         
+        #SD START (work in progress!)
+        add_tools(\$links);
+        #SD END
         $links = htmltag('div', $links, 
                         { id => "LC_breadcrumbs" }) unless ($CourseBreadcrumbs) ;
+        add_advtools(\$links);
 
         # Return the @Crumbs stack to what we started with
         push(@Crumbs,$last);
@@ -1458,12 +1466,63 @@ returns: nothing
 
     sub clear_breadcrumbs {
         undef(@Crumbs);
+        undef(%tools);
     }
 
     sub add_breadcrumb {
-        push (@Crumbs,@_);
+        push(@Crumbs,@_);
+    }
+    
+
+    #SD START (work in progress!)
+    sub add_breadcrumb_tool {
+        my ($category, $html) = @_;
+        return unless $html;
+        if (!defined(%tools)) { 
+            my %tools = ( A => [], B => [], C => []);
+        }
+        push @{$tools{$category}}, $html;
+    }
+
+    sub clear_breadcrumb_tools {
+        undef(%tools);
+    }
+
+    sub add_tools {
+        my ($links) = @_;
+        return unless defined %tools;
+        my $html = '<ul class="LC_bct">';
+        for my $category ('A','B') {
+            $html .= '<li class="LC_breadcrumb_tools">'
+                   . '<ul class="LC_breadcrumb_tools'
+                   . " LC_breadcrumb_tools_$category\">";
+            for my $item (@{$tools{$category}}){
+                #SD ugly! I'll fix that later on
+                $item =~ s/align="(right|left)"//;
+                $item =~ s/<span(.*?)\/span>//;
+                $html .= "<li>$item</li>";
+            }
+            $html .= '</ul></li>';
+            if ($category eq 'A') { $html .= "<li>$$links</li>"; }
+        }
+        $$links = $html.'</ul>';
     }
 
+    sub add_advtools {
+        my ($links) = @_;
+        return unless (defined $tools{'C'}) and (scalar (@{$tools{'C'}}) > 0);
+        my $html = start_funclist();
+        for my $item (@{$tools{'C'}}){
+                next unless $item;
+                $item =~ s/align="(right|left)"//;
+                $html .= add_item_funclist($item);
+        }
+        $html   .= end_funclist();
+        $html    = Apache::loncommon::head_subbox($html);
+        $$links .= $html;
+    }
+    #SD END
+
 } # End of scope for @Crumbs
 
 ############################################################
@@ -1555,7 +1614,7 @@ END
 }
 
 sub row_title {
-    my ($title,$css_title_class,$css_value_class) = @_;
+    my ($title,$css_title_class,$css_value_class, $css_value_furtherAttributes) = @_;
     $row_count[0]++;
     my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
     $css_title_class ||= 'LC_pick_box_title';
@@ -1567,7 +1626,7 @@ sub row_title {
         $title .= ':';
     }
     my $output = <<"ENDONE";
-           <tr class="LC_pick_box_row">
+           <tr class="LC_pick_box_row" $css_value_furtherAttributes> 
             <td $css_title_class>
 	       $title
             </td>
@@ -1598,6 +1657,10 @@ ENDTWO
 
 sub role_select_row {
     my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_;
+    my $crstype = 'Course';
+    if ($cdom ne '' && $cnum ne '') {
+        $crstype = &Apache::loncommon::course_type($cdom.'_'.$cnum);
+    }
     my $output;
     if (defined($title)) {
         $output = &row_title($title,$css_class);
@@ -1622,7 +1685,7 @@ sub role_select_row {
                 $plrole = &mt('Custom Role');
             }
         } else {
-            $plrole=&Apache::lonnet::plaintext($role);
+            $plrole=&Apache::lonnet::plaintext($role,$crstype);
         }
         if (($role ne 'cr') || (!$show_separate_custom)) {
             $output .= '  <option value="'.$role.'">'.$plrole.'</option>';
@@ -1637,15 +1700,15 @@ sub role_select_row {
 
 sub course_select_row {
     my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles,
-	$css_class) = @_;
+	$css_class,$crstype) = @_;
     my $output = &row_title($title,$css_class);
-    $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles);
+    $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype);
     $output .= &row_closure();
     return $output;
 }
 
 sub course_selection {
-    my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles) = @_;
+    my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype) = @_;
     my $output = qq|
 <script type="text/javascript">
 // <![CDATA[
@@ -1674,9 +1737,19 @@ sub course_selection {
 // ]]>
 </script>
     |;
+
+    my ($allcrs,$pickspec);
+    if ($crstype eq 'Community') {
+        $allcrs = &mt('All communities');
+        $pickspec = &mt('Pick specific communities:');
+    } else {
+        $allcrs = &mt('All courses');
+        $pickspec = &mt('Pick specific course(s):');
+    }
+
     my $courseform='<b>'.&Apache::loncommon::selectcourse_link
-                     ($formname,'pickcourse','pickdomain','coursedesc','',1).'</b>';
-        $output .= '<input type="radio" name="coursepick" value="all" onclick="coursePick(this.form)" />'.&mt('All courses').'<br />';
+                     ($formname,'pickcourse','pickdomain','coursedesc','',1,$crstype).'</b>';
+        $output .= '<input type="radio" name="coursepick" value="all" onclick="coursePick(this.form)" />'.$allcrs.'<br />';
     if ($totcodes > 0) {
         my $numtitles = @$codetitles;
         if ($numtitles > 0) {
@@ -1721,7 +1794,7 @@ sub course_selection {
             $output .= '</tr></table><br />';
         }
     }
-    $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$formname."','dccourse','dcdomain','coursedesc','','1'".')" />'.&mt('Pick specific course(s):').' '.$courseform.'&nbsp;&nbsp;<input type="text" value="0" size="4" name="coursetotal" /><input type="hidden" name="courselist" value="" />selected.<br />'."\n";
+    $output .= '<input type="radio" name="coursepick" value="specific" onclick="coursePick(this.form);opencrsbrowser('."'".$formname."','dccourse','dcdomain','coursedesc','','1','$crstype'".')" />'.$pickspec.' '.$courseform.'&nbsp;&nbsp;<input type="text" value="0" size="4" name="coursetotal" /><input type="hidden" name="courselist" value="" />selected.<br />'."\n";
     return $output;
 }
 
@@ -1809,16 +1882,21 @@ 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
-#
+# Generates a div containing an (optional) number with a white background followed by a 
+# title with a background color defined in the corresponding CSS: LC_topic_bar
+# Inputs:
+# 1. number to display.
+#    If input for number is empty only the title will be displayed. 
+# 2. title text to display.
+# Outputs - a scalar containing html mark-up for the div.
+
 sub topic_bar {
-    my ($imgnum,$title) = @_;
-    return '<div class="LC_topic_bar">'
-          .'<img src="/res/adm/pages/bl_step'.$imgnum.'.gif"'
-          .' alt="'.&mt('Step [_1]',$imgnum).'" />'
-          .' '.$title
-          .'</div>';
+    my ($num,$title) = @_;
+    my $number = '';
+    if ($num ne '') {
+        $number = '<span>'.$num.'</span>';
+    }
+    return '<div class="LC_topic_bar">'.$number.$title.'</div>';
 }
 
 ##############################################
@@ -1953,7 +2031,7 @@ sub set_form_elements {
             $values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g;
             $values{$name}[$i] =~ s/"/\\"/g;
         }
-        if ($$elements{$name} eq 'text') {
+        if (($$elements{$name} eq 'text') || ($$elements{$name} eq 'hidden')) {
             my $numvalues = @{$values{$name}};
             if ($numvalues > 1) {
                 my $valuestring = join('","',@{$values{$name}});
@@ -1988,6 +2066,8 @@ sub set_form_elements {
                     $output .= qq|
       if (courseForm.elements['$name'].value == "$value") {
           courseForm.elements['$name'].checked = true;
+      } else {
+          courseForm.elements['$name'].checked = false;
       }|;
                 }
             }
@@ -2029,6 +2109,7 @@ sub set_form_elements {
         }
     }
     $output .= "
+    return;
 }\n";
     return $output;
 }
@@ -2117,6 +2198,41 @@ sub inittags {
 }
 
 
+# USAGE: scripttag(scriptcode, [start|end|both]);
+#
+# EXAMPLES: 
+#  - scripttag("alert('Hello World!')", 'both') 
+#    returns:
+#    <script type="text/javascript">
+#    // BEGIN LON-CAPA Internal
+#    alert(Hello World!')
+#    // END LON-CAPA Internal
+#    </script>
+#
+# NOTES:
+# - works currently only for javascripts
+#
+# OUTPUT: 
+# Scriptcode properly enclosed in <script> and CDATA tags (and LC
+# Internal markers if 2nd argument is given)
+sub scripttag {
+    my ( $content, $marker ) = @_;
+    return unless defined $content;
+
+    my $begin = "\n// BEGIN LON-CAPA Internal\n";
+    my $end   = "\n// END LON-CAPA Internal\n";
+
+    if ($marker) {
+        $content  = $begin . $content if $marker eq 'start' or $marker eq 'both';
+        $content .= $end              if $marker eq 'end'   or $marker eq 'both';
+    }
+
+    $content = "\n// <![CDATA[\n$content\n// ]]>\n";
+
+    return htmltag('script', $content, {type => 'text/javascript'});
+};
+
+
 ##############################################
 ##############################################
 
@@ -2167,7 +2283,7 @@ sub generate_menu {
             # create the markup for the current $link and push it into @links.
             # each entry consists of an image and a text optionally followed 
             # by a help link.
-            push @links, $li->(
+            push(@links,$li->(
                         $a->(
                             $img->("", {
                                 class => "LC_noBorder LC_middle",
@@ -2185,7 +2301,7 @@ sub generate_menu {
                             }).
                          (defined($$link{help}) ? 
                          Apache::loncommon::help_open_topic($$link{help}) : ''),
-                         {class => "LC_menubuttons_inline_text"});
+                         {class => "LC_menubuttons_inline_text"}));
         }
 
         # wrap categorytitle in <h3>, concatenate with 
@@ -2195,10 +2311,10 @@ sub generate_menu {
         # such that each element looks like:
         # <div><h3>title</h3><ul><li>...</li>...</ul></div>
         # the category won't be added if there aren't any links
-        push @categories, 
+        push(@categories, 
             $div->($h3->(mt($$category{categorytitle}), {class=>"LC_hcell"}).
             $ul->(join('' ,@links),  {class =>"LC_ListStyleNormal" }),
-            {class=>"LC_Box LC_400Box"}) if scalar(@links);
+            {class=>"LC_Box LC_400Box"})) if scalar(@links);
     }
 
     # wrap the joined @categories in another <div> (column layout)
@@ -2241,8 +2357,7 @@ Returns: HTML code with function list st
 sub start_funclist {
     my($legendtext)=@_;
     $legendtext=&mt('Functions') if !$legendtext;
-    return "<fieldset>\n<legend>$legendtext</legend>\n"
-          .'<ul class="LC_funclist">'."\n";
+    return '<ul class="LC_funclist"><li style="font-weight:bold; margin-left:0.8em;">'.$legendtext.'</li>'."\n";
 }
 
 
@@ -2300,8 +2415,7 @@ Returns: HTML code with function list en
 ##############################################
 
 sub end_funclist {
-    my($r)=@_;
-    return "</ul>\n</fieldset>\n";
+    return "</ul>\n";
 }
 
 1;