From 123ca1d403a7e841b4f791f04a00acbec10c2b5b Mon Sep 17 00:00:00 2001
From: Einer von Vielen <tomwie@users.sourceforge.net>
Date: Sun, 18 Jan 2015 14:21:26 +0100
Subject: Fixed bbode element toc for webpages

- At the moment webpages can contain empty headings if the textarea
"Title"
is left empty in the webpage creator
(https://hostname/webpages/username)
---
 library/tableofcontents/jquery.toc.js | 55 ++++++++++++++++++++---------------
 1 file changed, 31 insertions(+), 24 deletions(-)

(limited to 'library')

diff --git a/library/tableofcontents/jquery.toc.js b/library/tableofcontents/jquery.toc.js
index d136f5aab..6ef36f49c 100644
--- a/library/tableofcontents/jquery.toc.js
+++ b/library/tableofcontents/jquery.toc.js
@@ -13,7 +13,10 @@
  * or implied.  See the License for the specific language governing permissions and limitations
  * under the License.
  * 
- * The original script was modified to work within the red#martrix (added var pathname).
+ * The original script was modified to work within the red#martrix
+ * - added var pathname
+ * - added var textHeading: Accept heading with text only
+ *     Why? At the moment webpages can contain empty title using h3
  */
 
 (function ($) {
@@ -53,31 +56,35 @@
                 var elem = $(this), level = $.map(headingSelectors, function (selector, index) {
                     return elem.is(selector) ? index : undefined;
                 })[0];
-
-                if (level > currentLevel) {
-                    // If the heading is at a deeper level than where we are, start a new nested
-                    // list, but only if we already have some list items in the parent. If we do
-                    // not, that means that we're skipping levels, so we can just add new list items
-                    // at the current level.
-                    // In the upside-down stack, unshift = push, and stack[0] = the top.
-                    var parentItem = stack[0].children("li:last")[0];
-                    if (parentItem) {
-                        stack.unshift($("<" + listTag + "/>").appendTo(parentItem));
+                
+                // Accept heading with text only
+                var textHeading = elem.text();
+                if(textHeading != '') {
+                    if (level > currentLevel) {
+                        // If the heading is at a deeper level than where we are, start a new nested
+                        // list, but only if we already have some list items in the parent. If we do
+                        // not, that means that we're skipping levels, so we can just add new list items
+                        // at the current level.
+                        // In the upside-down stack, unshift = push, and stack[0] = the top.
+                        var parentItem = stack[0].children("li:last")[0];
+                        if (parentItem) {
+                            stack.unshift($("<" + listTag + "/>").appendTo(parentItem));
+                        }
+                    } else {
+                        // Truncate the stack to the current level by chopping off the 'top' of the
+                        // stack. We also need to preserve at least one element in the stack - that is
+                        // the containing element.
+                        stack.splice(0, Math.min(currentLevel - level, Math.max(stack.length - 1, 0)));
                     }
-                } else {
-                    // Truncate the stack to the current level by chopping off the 'top' of the
-                    // stack. We also need to preserve at least one element in the stack - that is
-                    // the containing element.
-                    stack.splice(0, Math.min(currentLevel - level, Math.max(stack.length - 1, 0)));
-                }
-                // the variable pathname was added to the original script.
-            	var pathname = window.location.pathname;
-                // Add the list item
-                $("<li/>").appendTo(stack[0]).append(
-                    $("<a/>").text(elem.text()).attr("href", pathname + "#" + elem.attr("id"))
-                );
+                    // the variable pathname was added to the original script.
+                	var pathname = window.location.pathname;
+                    // Add the list item
+                    $("<li/>").appendTo(stack[0]).append(
+                        $("<a/>").text(elem.text()).attr("href", pathname + "#" + elem.attr("id"))
+                    );
 
-                currentLevel = level;
+                    currentLevel = level;
+                }
             });
         });
     }, old = $.fn.toc;
-- 
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