1 files changed, 131 insertions, 0 deletions
diff --git a/dom/xml/test/old/toc/toc.js b/dom/xml/test/old/toc/toc.js
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+++ b/dom/xml/test/old/toc/toc.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Event handler for display togglers in Table of Contents
+function toggleDisplay(event) {
+  if (event.target.localName != "img") {
+    return;
+  }
+  var img = event.target;
+  var div = img.nextSibling.nextSibling;
+
+  // Change the display: property of the container to
+  // hide and show the container.
+  if (div.style.display == "none") {
+    div.style.display = "block";
+    img.src = "minus.gif";
+  } else {
+    div.style.display = "none";
+    img.src = "plus.gif";
+  }
+}
+
+// Function that recurses down the tree, looking for
+// structural elements. For each structural element,
+// a corresponding element is created in the table of
+// contents.
+var searchTags = new Array("book", "chapter", "section");
+var tocTags = new Array("level1", "level2", "level3");
+function addToToc(root, tocFrame) {
+  var i;
+  var newTocFrame = tocFrame;
+  var newTocElement = null;
+  var newTocLink = null;
+
+  for (i = 0; i < searchTags.length; i++) {
+    if (root.tagName == searchTags[i]) {
+      // If we've found a structural element, create the
+      // equivalent TOC element.
+      newTocElement = document.createElement(tocTags[i]);
+      // Create the toclink element that is a link to the
+      // corresponding structural element.
+      newTocLink = document.createElement("toclink");
+      newTocLink.setAttributeNS(
+        "http://www.w3.org/1999/xlink",
+        "xlink:type",
+        "simple"
+      );
+      newTocLink.setAttributeNS(
+        "http://www.w3.org/1999/xlink",
+        "xlink:href",
+        "#" + root.getAttribute("id")
+      );
+      newTocLink.setAttributeNS(
+        "http://www.w3.org/1999/xlink",
+        "xlink:show",
+        "replace"
+      );
+      newTocElement.appendChild(newTocLink);
+
+      // Create the image and toggling container in the table of contents
+      if (i < searchTags.length - 1) {
+        var img = document.createElementNS(
+          "http://www.w3.org/1999/xhtml",
+          "img"
+        );
+        img.src = "minus.gif";
+        newTocElement.insertBefore(img, newTocLink);
+
+        newTocFrame = document.createElementNS(
+          "http://www.w3.org/1999/xhtml",
+          "div"
+        );
+        newTocElement.appendChild(newTocFrame);
+      } else {
+        newTocFrame = null;
+      }
+
+      tocFrame.appendChild(newTocElement);
+
+      break;
+    }
+  }
+
+  // Recurse down through the childNodes list
+  for (i = 0; i < root.childNodes.length; i++) {
+    var child = root.childNodes[i];
+    if (child.nodeType == Node.ELEMENT_NODE) {
+      if (newTocLink != null && child.tagName == "title") {
+        var text = child.firstChild.cloneNode(true);
+        newTocLink.appendChild(text);
+      } else {
+        addToToc(child, newTocFrame);
+      }
+    }
+  }
+}
+
+// Create the root table of contents element (a fixed element)
+// and its contents.
+function createToc() {
+  if (!document.getElementsByTagName("toc").length) {
+    var toc = document.createElement("toc");
+    var title = document.createElement("title");
+    title.appendChild(document.createTextNode("Table of Contents"));
+    toc.appendChild(title);
+
+    // Recurse down and build up the document element
+    addToToc(document.documentElement, toc);
+
+    // Since we've created the toc element as a fixed element,
+    // insert a rule that shifts over the document element by
+    // the width of the toc element.
+    document.styleSheets[0].cssRules[0].style.marginLeft = "12em";
+    document.documentElement.appendChild(toc);
+
+    // Attach the event handler for table of contents buttons.
+    // This will only work for content that is already a part
+    // of a document, which is why we had to wait until here
+    // to do this.
+    toc.addEventListener("mouseup", toggleDisplay, 1);
+  } else {
+    // Hide the table of contents.
+    // This is not very intelligent if we have a static document, we should
+    // just hide/show the toc via stylesheet mungling
+    document.documentElement.removeChild(
+      document.getElementsByTagName("toc")[0]
+    );
+    document.styleSheets[0].cssRules[0].style.marginLeft = "0em";
+  }
+}