The Tor Browser / file comparison
comparison: content/xml/tests/toc/toc.js
content/xml/tests/toc/toc.js
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:e9b0a92aeefa |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 // Event handler for display togglers in Table of Contents | |
| 6 function toggleDisplay(event) | |
| 7 { | |
| 8 if (event.target.localName != "img") | |
| 9 return; | |
| 10 var img = event.target; | |
| 11 var div = img.nextSibling.nextSibling; | |
| 12 | |
| 13 // Change the display: property of the container to | |
| 14 // hide and show the container. | |
| 15 if (div.style.display == "none") { | |
| 16 div.style.display = "block"; | |
| 17 img.src = "minus.gif"; | |
| 18 } | |
| 19 else { | |
| 20 div.style.display = "none"; | |
| 21 img.src = "plus.gif"; | |
| 22 } | |
| 23 } | |
| 24 | |
| 25 // Function that recurses down the tree, looking for | |
| 26 // structural elements. For each structural element, | |
| 27 // a corresponding element is created in the table of | |
| 28 // contents. | |
| 29 var searchTags = new Array("book", "chapter", "section"); | |
| 30 var tocTags = new Array("level1", "level2", "level3"); | |
| 31 function addToToc(root, tocFrame) | |
| 32 { | |
| 33 var i; | |
| 34 var newTocFrame = tocFrame; | |
| 35 var newTocElement = null; | |
| 36 var newTocLink = null; | |
| 37 | |
| 38 for (i=0; i < searchTags.length; i++) { | |
| 39 if (root.tagName == searchTags[i]) { | |
| 40 // If we've found a structural element, create the | |
| 41 // equivalent TOC element. | |
| 42 newTocElement = document.createElement(tocTags[i]); | |
| 43 // Create the toclink element that is a link to the | |
| 44 // corresponding structural element. | |
| 45 newTocLink = document.createElement("toclink"); | |
| 46 newTocLink.setAttributeNS("http://www.w3.org/1999/xlink","xlink:type", "simple"); | |
| 47 newTocLink.setAttributeNS("http://www.w3.org/1999/xlink","xlink:href", "#"+ root.getAttribute("id")); | |
| 48 newTocLink.setAttributeNS("http://www.w3.org/1999/xlink","xlink:show", "replace"); | |
| 49 newTocElement.appendChild(newTocLink); | |
| 50 | |
| 51 // Create the image and toggling container in the table of contents | |
| 52 if (i < searchTags.length-1) { | |
| 53 var img = document.createElementNS("http://www.w3.org/1999/xhtml","img"); | |
| 54 img.src = "minus.gif"; | |
| 55 newTocElement.insertBefore(img,newTocLink); | |
| 56 | |
| 57 newTocFrame = document.createElementNS("http://www.w3.org/1999/xhtml","div"); | |
| 58 newTocElement.appendChild(newTocFrame); | |
| 59 } | |
| 60 else { | |
| 61 newTocFrame = null; | |
| 62 } | |
| 63 | |
| 64 tocFrame.appendChild(newTocElement); | |
| 65 | |
| 66 break; | |
| 67 } | |
| 68 } | |
| 69 | |
| 70 // Recurse down through the childNodes list | |
| 71 for (i=0; i < root.childNodes.length; i++) { | |
| 72 var child = root.childNodes[i]; | |
| 73 if (child.nodeType == Node.ELEMENT_NODE) { | |
| 74 if ((newTocLink != null) && (child.tagName == "title")) { | |
| 75 var text = child.firstChild.cloneNode(true); | |
| 76 newTocLink.appendChild(text); | |
| 77 } | |
| 78 else { | |
| 79 addToToc(child, newTocFrame); | |
| 80 } | |
| 81 } | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 // Create the root table of contents element (a fixed element) | |
| 86 // and its contents. | |
| 87 function createToc() | |
| 88 { | |
| 89 if (document.getElementsByTagName("toc").length == 0) { | |
| 90 var toc = document.createElement("toc"); | |
| 91 var title = document.createElement("title"); | |
| 92 title.appendChild(document.createTextNode("Table of Contents")); | |
| 93 toc.appendChild(title); | |
| 94 | |
| 95 // Recurse down and build up the document element | |
| 96 addToToc(document.documentElement, toc); | |
| 97 | |
| 98 // Since we've created the toc element as a fixed element, | |
| 99 // insert a rule that shifts over the document element by | |
| 100 // the width of the toc element. | |
| 101 document.styleSheets[0].cssRules[0].style.marginLeft = "12em"; | |
| 102 document.documentElement.appendChild(toc); | |
| 103 | |
| 104 // Attach the event handler for table of contents buttons. | |
| 105 // This will only work for content that is already a part | |
| 106 // of a document, which is why we had to wait until here | |
| 107 // to do this. | |
| 108 toc.addEventListener("mouseup",toggleDisplay,1); | |
| 109 } else { | |
| 110 // Hide the table of contents. | |
| 111 // This is not very intelligent if we have a static document, we should | |
| 112 // just hide/show the toc via stylesheet mungling | |
| 113 document.documentElement.removeChild(document.getElementsByTagName("toc")[0]); | |
| 114 document.styleSheets[0].cssRules[0].style.marginLeft = "0em"; | |
| 115 } | |
| 116 } | |
| 117 |
