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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is TOCMaker.
- *
- * The Initial Developer of the Original Code is
- * Daniel Glazman.
- * Portions created by the Initial Developer are Copyright (C) 2002
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Daniel Glazman <daniel@glazman.org> (Original author)
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- // tocHeadersArray is the array containing the pairs tag/class
- // defining TOC entries
- var tocHeadersArray = new Array(6);
-
- // a global used when building the TOC
- var currentHeaderLevel = 0;
-
- // a global set to true if the TOC is to be readonly
- var readonly = false;
-
- // a global set to true if user wants indexes in the TOC
- var orderedList = true;
-
- // constants
- const kMozToc = "mozToc";
- const kMozTocLength = 6;
- const kMozTocIdPrefix = "mozTocId";
- const kMozTocIdPrefixLength = 8;
- const kMozTocClassPrefix = "mozToc";
- const kMozTocClassPrefixLength = 6;
-
- // Startup() is called when EdInsertTOC.xul is opened
- function Startup()
- {
- // early way out if if we have no editor
- if (!GetCurrentEditor()) {
- window.close();
- return;
- }
-
- var i, j;
- // clean the table of tag/class pairs we look for
- for (i = 0; i < 6; ++i)
- tocHeadersArray[i] = [ "", "" ];
-
- // reset all settings
- for (i = 1; i < 7; ++i) {
- var menulist = document.getElementById("header" + i + "Menulist");
- var menuitem = document.getElementById("header" + i + "none");
- var textbox = document.getElementById("header" + i + "Class");
- menulist.selectedItem = menuitem;
- textbox.setAttribute("disabled", "true");
- }
-
- var theDocument = GetCurrentEditor().document;
-
- // do we already have a TOC in the document ? It should have "mozToc" ID
- var toc = theDocument.getElementById(kMozToc);
-
- // default TOC definition, use h1-h6 for TOC entry levels 1-6
- var headers = "h1 1 h2 2 h3 3 h4 4 h5 5 h6 6";
-
- var orderedListCheckbox = document.getElementById("orderedListCheckbox");
- orderedListCheckbox.checked = true;
-
- if (toc) {
- // man, there is already a TOC here
-
- if (toc.getAttribute("class") == "readonly") {
- // and it's readonly
- var checkbox = document.getElementById("readOnlyCheckbox");
- checkbox.checked = true;
- readonly = true;
- }
-
- // let's see if it's an OL or an UL
- orderedList = (toc.nodeName.toLowerCase() == "ol");
- orderedListCheckbox.checked = orderedList;
-
- var nodeList = toc.childNodes;
- // let's look at the children of the TOC ; if we find a comment beginning
- // with "mozToc", it contains the TOC definition
- for (i = 0; i< nodeList.length; ++i) {
- if (nodeList.item(i).nodeType == Node.COMMENT_NODE &&
- nodeList.item(i).data.substr(0, kMozTocLength) == kMozToc) {
- // yep, there is already a definition here; parse it !
- headers = nodeList.item(i).data.substr(kMozTocLength + 1,
- nodeList.item(i).length - kMozTocLength - 1);
- break;
- }
- }
- }
-
- // let's get an array filled with the (tag.class, index level) pairs
- var headersArray = headers.split(" ");
-
- for (i = 0; i < headersArray.length; i += 2) {
- var tag = headersArray[i], className = "";
- var index = headersArray[i + 1];
- menulist = document.getElementById("header" + index + "Menulist");
- if (menulist) {
- var sep = tag.indexOf(".");
- if (sep != -1) {
- // the tag variable contains in fact "tag.className", let's parse
- // the class and get the real tag name
- var tmp = tag.substr(0, sep);
- className = tag.substr(sep + 1, tag.length - sep - 1);
- tag = tmp;
- }
-
- // update the dialog
- menuitem = document.getElementById("header" + index +
- tag.toUpperCase());
- textbox = document.getElementById("header" + index + "Class");
- menulist.selectedItem = menuitem;
- if (tag != "") {
- textbox.removeAttribute("disabled");
- }
- if (className != "") {
- textbox.value = className;
- }
- tocHeadersArray[index - 1] = [ tag, className ];
- }
- }
- }
-
-
- function BuildTOC(update)
- {
- // controlClass() is a node filter that accepts a node if
- // (a) we don't look for a class (b) we look for a class and
- // node has it
- function controlClass(node, index)
- {
- currentHeaderLevel = index + 1;
- if (tocHeadersArray[index][1] == "") {
- // we are not looking for a specific class, this node is ok
- return NodeFilter.FILTER_ACCEPT;
- }
- if (node.getAttribute("class")) {
- // yep, we look for a class, let's look at all the classes
- // the node has
- var classArray = node.getAttribute("class").split(" ");
- for (var j = 0; j < classArray.length; j++) {
- if (classArray[j] == tocHeadersArray[index][1]) {
- // hehe, we found it...
- return NodeFilter.FILTER_ACCEPT;
- }
- }
- }
- return NodeFilter.FILTER_SKIP;
- }
-
- // the main node filter for our node iterator
- // it selects the tag names as specified in the dialog
- // then calls the controlClass filter above
- function acceptNode(node)
- {
- switch (node.nodeName.toLowerCase())
- {
- case tocHeadersArray[0][0]:
- return controlClass(node, 0);
- break;
- case tocHeadersArray[1][0]:
- return controlClass(node, 1);
- break;
- case tocHeadersArray[2][0]:
- return controlClass(node, 2);
- break;
- case tocHeadersArray[3][0]:
- return controlClass(node, 3);
- break;
- case tocHeadersArray[4][0]:
- return controlClass(node, 4);
- break;
- case tocHeadersArray[5][0]:
- return controlClass(node, 5);
- break;
- default:
- return NodeFilter.FILTER_SKIP;
- break;
- }
- return NodeFilter.FILTER_SKIP; // placate the js compiler
- }
-
- var editor = GetCurrentEditor();
- var theDocument = editor.document;
- // let's create a TreeWalker to look for our nodes
- var treeWalker = theDocument.createTreeWalker(theDocument.documentElement,
- NodeFilter.SHOW_ELEMENT,
- acceptNode,
- true);
- // we need an array to store all TOC entries we find in the document
- var tocArray = new Array();
- if (treeWalker) {
- var tocSourceNode = treeWalker.nextNode();
- while (tocSourceNode) {
- var headerIndex = currentHeaderLevel;
-
- // we have a node, we need to get all its textual contents
- var textTreeWalker = theDocument.createTreeWalker(tocSourceNode,
- NodeFilter.SHOW_TEXT,
- null,
- true);
- var textNode = textTreeWalker.nextNode(), headerText = "";
- while (textNode) {
- headerText += textNode.data;
- textNode = textTreeWalker.nextNode();
- }
-
- var anchor = tocSourceNode.firstChild, id;
- // do we have a named anchor as 1st child of our node ?
- if (anchor.nodeName.toLowerCase() == "a" &&
- anchor.hasAttribute("name") &&
- anchor.getAttribute("name").substr(0, kMozTocIdPrefixLength) == kMozTocIdPrefix) {
- // yep, get its name
- id = anchor.getAttribute("name");
- }
- else {
- // no we don't and we need to create one
- anchor = theDocument.createElement("a");
- tocSourceNode.insertBefore(anchor, tocSourceNode.firstChild);
- // let's give it a random ID
- var c = 1000000 * Math.random();
- id = kMozTocIdPrefix + Math.round(c);
- anchor.setAttribute("name", id);
- anchor.setAttribute("class", kMozTocClassPrefix +
- tocSourceNode.nodeName.toUpperCase());
- }
- // and store that new entry in our array
- tocArray.push(headerIndex, headerText, id);
- tocSourceNode = treeWalker.nextNode();
- }
- }
-
- /* generate the TOC itself */
- headerIndex = 0;
- var item, toc;
- for (var i = 0; i < tocArray.length; i += 3) {
- if (!headerIndex) {
- // do we need to create an ol/ul container for the first entry ?
- ++headerIndex;
- toc = theDocument.getElementById(kMozToc);
- if (!toc || !update) {
- // we need to create a list container for the table of contents
- toc = GetCurrentEditor().createElementWithDefaults(orderedList ? "ol" : "ul");
- // grrr, we need to create a LI inside the list otherwise
- // Composer will refuse an empty list and will remove it !
- var pit = theDocument.createElement("li");
- toc.appendChild(pit);
- GetCurrentEditor().insertElementAtSelection(toc, true);
- // ah, now it's inserted so let's remove the useless list item...
- toc.removeChild(pit);
- // we need to recognize later that this list is our TOC
- toc.setAttribute("id", kMozToc);
- }
- else {
- // we have to update an existing TOC, is the existing TOC of the
- // desired type (ordered or not) ?
- if (orderedList != (toc.nodeName.toLowerCase() == "ol")) {
- // nope, we have to recreate the list
- var newToc = GetCurrentEditor().createElementWithDefaults(orderedList ? "ol" : "ul");
- toc.parentNode.insertBefore(newToc, toc);
- // and remove the old one
- toc.parentNode.removeChild(toc);
- toc = newToc;
- toc.setAttribute("id", kMozToc);
- }
- else {
- // we can keep the list itself but let's get rid of the TOC entries
- var nodeList = toc.childNodes, l = nodeList.length;
- for (j = l - 1; j >= 0; --j)
- toc.removeChild(nodeList.item(j));
- }
- }
- var commentText = "mozToc ";
- for (var j = 0; j < 6; j++) {
- if (tocHeadersArray[j][0] != "") {
- commentText += tocHeadersArray[j][0];
- if (tocHeadersArray[j][1] != "") {
- commentText += "." + tocHeadersArray[j][1];
- }
- commentText += " " + (j + 1) + " ";
- }
- }
- // important, we have to remove trailing spaces
- commentText = TrimStringRight(commentText);
-
- // forge a comment we'll insert in the TOC ; that comment will hold
- // the TOC definition for us
- var ct = theDocument.createComment(commentText);
- toc.appendChild(ct);
-
- // assign a special class to the TOC top element if the TOC is readonly
- // the definition of this class is in EditorOverride.css
- if (readonly) {
- toc.setAttribute("class", "readonly");
- }
- else {
- toc.removeAttribute("class");
- }
-
- // We need a new variable to hold the local ul/ol container
- // The toplevel TOC element is not the parent element of a
- // TOC entry if its depth is > 1...
- var tocList = toc;
- // create a list item
- var tocItem = theDocument.createElement("li");
- // and an anchor in this list item
- var tocAnchor = theDocument.createElement("a");
- // make it target the source of the TOC entry
- tocAnchor.setAttribute("href", "#" + tocArray[i + 2]);
- // and put the textual contents of the TOC entry in that anchor
- var tocEntry = theDocument.createTextNode(tocArray[i + 1]);
- // now, insert everything where it has to be inserted
- tocAnchor.appendChild(tocEntry);
- tocItem.appendChild(tocAnchor);
- tocList.appendChild(tocItem);
- item = tocList;
- }
- else {
- if (tocArray[i] < headerIndex) {
- // if the depth of the new TOC entry is less than the depth of the
- // last entry we created, find the good ul/ol ancestor
- for (j = headerIndex - tocArray[i]; j > 0; --j) {
- if (item != toc) {
- item = item.parentNode.parentNode;
- }
- }
- tocItem = theDocument.createElement("li");
- }
- else if (tocArray[i] > headerIndex) {
- // to the contrary, it's deeper than the last one
- // we need to create sub ul/ol's and li's
- for (j = tocArray[i] - headerIndex; j > 0; --j) {
- tocList = theDocument.createElement(orderedList ? "ol" : "ul");
- item.lastChild.appendChild(tocList);
- tocItem = theDocument.createElement("li");
- tocList.appendChild(tocItem);
- item = tocList;
- }
- }
- else {
- tocItem = theDocument.createElement("li");
- }
- tocAnchor = theDocument.createElement("a");
- tocAnchor.setAttribute("href", "#" + tocArray[i + 2]);
- tocEntry = theDocument.createTextNode(tocArray[i + 1]);
- tocAnchor.appendChild(tocEntry);
- tocItem.appendChild(tocAnchor);
- item.appendChild(tocItem);
- headerIndex = tocArray[i];
- }
- }
- SaveWindowLocation();
- return true;
- }
-
- function selectHeader(elt, index)
- {
- var tag = elt.value;
- tocHeadersArray[index - 1][0] = tag;
- var textbox = document.getElementById("header" + index + "Class");
- if (tag == "") {
- textbox.setAttribute("disabled", "true");
- }
- else {
- textbox.removeAttribute("disabled");
- }
- }
-
- function changeClass(elt, index)
- {
- tocHeadersArray[index - 1][1] = elt.value;
- }
-
- function ToggleReadOnlyToc(elt)
- {
- readonly = elt.checked;
- }
-
- function ToggleOrderedList(elt)
- {
- orderedList = elt.checked;
- }
-