/**
* plugin.js
*
* Released under LGPL License.
* Copyright (c) 1999-2015 Ephox Corp. All rights reserved
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
/*global tinymce:true */
/*eslint consistent-this:0 */
tinymce.PluginManager.add('lists', function (editor) {
var self = this;
function isChildOfBody(elm) {
return editor.$.contains(editor.getBody(), elm);
}
function isBr(node) {
return node && node.nodeName == 'BR';
}
function isListNode(node) {
return node && (/^(OL|UL|DL)$/).test(node.nodeName) && isChildOfBody(node);
}
function isFirstChild(node) {
return node.parentNode.firstChild == node;
}
function isLastChild(node) {
return node.parentNode.lastChild == node;
}
function isTextBlock(node) {
return node && !!editor.schema.getTextBlockElements()[node.nodeName];
}
function isEditorBody(elm) {
return elm === editor.getBody();
}
editor.on('init', function () {
var dom = editor.dom, selection = editor.selection;
function isEmpty(elm, keepBookmarks) {
var empty = dom.isEmpty(elm);
if (keepBookmarks && dom.select('span[data-mce-type=bookmark]').length > 0) {
return false;
}
return empty;
}
/**
* Returns a range bookmark. This will convert indexed bookmarks into temporary span elements with
* index 0 so that they can be restored properly after the DOM has been modified. Text bookmarks will not have spans
* added to them since they can be restored after a dom operation.
*
* So this: <p><b>|</b><b>|</b></p>
* becomes: <p><b><span data-mce-type="bookmark">|</span></b><b data-mce-type="bookmark">|</span></b></p>
*
* @param {DOMRange} rng DOM Range to get bookmark on.
* @return {Object} Bookmark object.
*/
function createBookmark(rng) {
var bookmark = {};
function setupEndPoint(start) {
var offsetNode, container, offset;
container = rng[start ? 'startContainer' : 'endContainer'];
offset = rng[start ? 'startOffset' : 'endOffset'];
if (container.nodeType == 1) {
offsetNode = dom.create('span', {'data-mce-type': 'bookmark'});
if (container.hasChildNodes()) {
offset = Math.min(offset, container.childNodes.length - 1);
if (start) {
container.insertBefore(offsetNode, container.childNodes[offset]);
} else {
dom.insertAfter(offsetNode, container.childNodes[offset]);
}
} else {
container.appendChild(offsetNode);
}
container = offsetNode;
offset = 0;
}
bookmark[start ? 'startContainer' : 'endContainer'] = container;
bookmark[start ? 'startOffset' : 'endOffset'] = offset;
}
setupEndPoint(true);
if (!rng.collapsed) {
setupEndPoint();
}
return bookmark;
}
/**
* Moves the selection to the current bookmark and removes any selection container wrappers.
*
* @param {Object} bookmark Bookmark object to move selection to.
*/
function moveToBookmark(bookmark) {
function restoreEndPoint(start) {
var container, offset, node;
function nodeIndex(container) {
var node = container.parentNode.firstChild, idx = 0;
while (node) {
if (node == container) {
return idx;
}
// Skip data-mce-type=bookmark nodes
if (node.nodeType != 1 || node.getAttribute('data-mce-type') != 'bookmark') {
idx++;
}
node = node.nextSibling;
}
return -1;
}
container = node = bookmark[start ? 'startContainer' : 'endContainer'];
offset = bookmark[start ? 'startOffset' : 'endOffset'];
if (!container) {
return;
}
if (container.nodeType == 1) {
offset = nodeIndex(container);
container = container.parentNode;
dom.remove(node);
}
bookmark[start ? 'startContainer' : 'endContainer'] = container;
bookmark[start ? 'startOffset' : 'endOffset'] = offset;
}
restoreEndPoint(true);
restoreEndPoint();
var rng = dom.createRng();
rng.setStart(bookmark.startContainer, bookmark.startOffset);
if (bookmark.endContainer) {
rng.setEnd(bookmark.endContainer, bookmark.endOffset);
}
selection.setRng(rng);
}
function createNewTextBlock(contentNode, blockName) {
var node, textBlock, fragment = dom.createFragment(), hasContentNode;
var blockElements = editor.schema.getBlockElements();
if (editor.settings.forced_root_block) {
blockName = blockName || editor.settings.forced_root_block;
}
if (blockName) {
textBlock = dom.create(blockName);
if (textBlock.tagName === editor.settings.forced_root_block) {
dom.setAttribs(textBlock, editor.settings.forced_root_block_attrs);
}
fragment.appendChild(textBlock);
}
if (contentNode) {
while ((node = contentNode.firstChild)) {
var nodeName = node.nodeName;
if (!hasContentNode && (nodeName != 'SPAN' || node.getAttribute('data-mce-type') != 'bookmark')) {
hasContentNode = true;
}
if (blockElements[nodeName]) {
fragment.appendChild(node);
textBlock = null;
} else {
if (blockName) {
if (!textBlock) {
textBlock = dom.create(blockName);
fragment.appendChild(textBlock);
}
textBlock.appendChild(node);
} else {
fragment.appendChild(node);
}
}
}
}
if (!editor.settings.forced_root_block) {
fragment.appendChild(dom.create('br'));
} else {
// BR is needed in empty blocks on non IE browsers
if (!hasContentNode && (!tinymce.Env.ie || tinymce.Env.ie > 10)) {
textBlock.appendChild(dom.create('br', {'data-mce-bogus': '1'}));
}
}
return fragment;
}
function getSelectedListItems() {
return tinymce.grep(selection.getSelectedBlocks(), function (block) {
return /^(LI|DT|DD)$/.test(block.nodeName);
});
}
function splitList(ul, li, newBlock) {
var tmpRng, fragment, bookmarks, node;
function removeAndKeepBookmarks(targetNode) {
tinymce.each(bookmarks, function (node) {
targetNode.parentNode.insertBefore(node, li.parentNode);
});
dom.remove(targetNode);
}
bookmarks = dom.select('span[data-mce-type="bookmark"]', ul);
newBlock = newBlock || createNewTextBlock(li);
tmpRng = dom.createRng();
tmpRng.setStartAfter(li);
tmpRng.setEndAfter(ul);
fragment = tmpRng.extractContents();
for (node = fragment.firstChild; node; node = node.firstChild) {
if (node.nodeName == 'LI' && dom.isEmpty(node)) {
dom.remove(node);
break;
}
}
if (!dom.isEmpty(fragment)) {
dom.insertAfter(fragment, ul);
}
dom.insertAfter(newBlock, ul);
if (isEmpty(li.parentNode)) {
removeAndKeepBookmarks(li.parentNode);
}
dom.remove(li);
if (isEmpty(ul)) {
dom.remove(ul);
}
}
var shouldMerge = function (listBlock, sibling) {
var targetStyle = editor.dom.getStyle(listBlock, 'list-style-type', true);
var style = editor.dom.getStyle(sibling, 'list-style-type', true);
return targetStyle === style;
};
function mergeWithAdjacentLists(listBlock) {
var sibling, node;
sibling = listBlock.nextSibling;
if (sibling && isListNode(sibling) && sibling.nodeName == listBlock.nodeName && shouldMerge(listBlock, sibling)) {
while ((node = sibling.firstChild)) {
listBlock.appendChild(node);
}
dom.remove(sibling);
}
sibling = listBlock.previousSibling;
if (sibling && isListNode(sibling) && sibling.nodeName == listBlock.nodeName && shouldMerge(listBlock, sibling)) {
while ((node = sibling.firstChild)) {
listBlock.insertBefore(node, listBlock.firstChild);
}
dom.remove(sibling);
}
}
/**
* Normalizes the all lists in the specified element.
*/
function normalizeList(element) {
tinymce.each(tinymce.grep(dom.select('ol,ul', element)), function (ul) {
var sibling, parentNode = ul.parentNode;
// Move UL/OL to previous LI if it's the only child of a LI
if (parentNode.nodeName == 'LI' && parentNode.firstChild == ul) {
sibling = parentNode.previousSibling;
if (sibling && sibling.nodeName == 'LI') {
sibling.appendChild(ul);
if (isEmpty(parentNode)) {
dom.remove(parentNode);
}
}
}
// Append OL/UL to previous LI if it's in a parent OL/UL i.e. old HTML4
if (isListNode(parentNode)) {
sibling = parentNode.previousSibling;
if (sibling && sibling.nodeName == 'LI') {
sibling.appendChild(ul);
}
}
});
}
function outdent(li) {
var ul = li.parentNode, ulParent = ul.parentNode, newBlock;
function removeEmptyLi(li) {
if (isEmpty(li)) {
dom.remove(li);
}
}
if (isEditorBody(ul)) {
return true;
}
if (li.nodeName == 'DD') {
dom.rename(li, 'DT');
return true;
}
if (isFirstChild(li) && isLastChild(li)) {
if (ulParent.nodeName == "LI") {
dom.insertAfter(li, ulParent);
removeEmptyLi(ulParent);
dom.remove(ul);
} else if (isListNode(ulParent)) {
dom.remove(ul, true);
} else {
ulParent.insertBefore(createNewTextBlock(li), ul);
dom.remove(ul);
}
return true;
} else if (isFirstChild(li)) {
if (ulParent.nodeName == "LI") {
dom.insertAfter(li, ulParent);
li.appendChild(ul);
removeEmptyLi(ulParent);
} else if (isListNode(ulParent)) {
ulParent.insertBefore(li, ul);
} else {
ulParent.insertBefore(createNewTextBlock(li), ul);
dom.remove(li);
}
return true;
} else if (isLastChild(li)) {
if (ulParent.nodeName == "LI") {
dom.insertAfter(li, ulParent);
} else if (isListNode(ulParent)) {
dom.insertAfter(li, ul);
} else {
dom.insertAfter(createNewTextBlock(li), ul);
dom.remove(li);
}
return true;
}
if (ulParent.nodeName == 'LI') {
ul = ulParent;
newBlock = createNewTextBlock(li, 'LI');
} else if (isListNode(ulParent)) {
newBlock = createNewTextBlock(li, 'LI');
} else {
newBlock = createNewTextBlock(li);
}
splitList(ul, li, newBlock);
normalizeList(ul.parentNode);
return true;
}
function indent(li) {
var sibling, newList, listStyle;
function mergeLists(from, to) {
var node;
if (isListNode(from)) {
while ((node = li.lastChild.firstChild)) {
to.appendChild(node);
}
dom.remove(from);
}
}
if (li.nodeName == 'DT') {
dom.rename(li, 'DD');
return true;
}
sibling = li.previousSibling;
if (sibling && isListNode(sibling)) {
sibling.appendChild(li);
return true;
}
if (sibling && sibling.nodeName == 'LI' && isListNode(sibling.lastChild)) {
sibling.lastChild.appendChild(li);
mergeLists(li.lastChild, sibling.lastChild);
return true;
}
sibling = li.nextSibling;
if (sibling && isListNode(sibling)) {
sibling.insertBefore(li, sibling.firstChild);
return true;
}
/*if (sibling && sibling.nodeName == 'LI' && isListNode(li.lastChild)) {
return false;
}*/
sibling = li.previousSibling;
if (sibling && sibling.nodeName == 'LI') {
newList = dom.create(li.parentNode.nodeName);
listStyle = dom.getStyle(li.parentNode, 'listStyleType');
if (listStyle) {
dom.setStyle(newList, 'listStyleType', listStyle);
}
sibling.appendChild(newList);
newList.appendChild(li);
mergeLists(li.lastChild, newList);
return true;
}
return false;
}
function indentSelection() {
var listElements = getSelectedListItems();
if (listElements.length) {
var bookmark = createBookmark(selection.getRng(true));
for (var i = 0; i < listElements.length; i++) {
if (!indent(listElements[i]) && i === 0) {
break;
}
}
moveToBookmark(bookmark);
editor.nodeChanged();
return true;
}
}
function outdentSelection() {
var listElements = getSelectedListItems();
if (listElements.length) {
var bookmark = createBookmark(selection.getRng(true));
var i, y, root = editor.getBody();
i = listElements.length;
while (i--) {
var node = listElements[i].parentNode;
while (node && node != root) {
y = listElements.length;
while (y--) {
if (listElements[y] === node) {
listElements.splice(i, 1);
break;
}
}
node = node.parentNode;
}
}
for (i = 0; i < listElements.length; i++) {
if (!outdent(listElements[i]) && i === 0) {
break;
}
}
moveToBookmark(bookmark);
editor.nodeChanged();
return true;
}
}
function applyList(listName, detail) {
var rng = selection.getRng(true), bookmark, listItemName = 'LI';
if (dom.getContentEditable(selection.getNode()) === "false") {
return;
}
listName = listName.toUpperCase();
if (listName == 'DL') {
listItemName = 'DT';
}
function getSelectedTextBlocks() {
var textBlocks = [], root = editor.getBody();
function getEndPointNode(start) {
var container, offset;
container = rng[start ? 'startContainer' : 'endContainer'];
offset = rng[start ? 'startOffset' : 'endOffset'];
// Resolve node index
if (container.nodeType == 1) {
container = container.childNodes[Math.min(offset, container.childNodes.length - 1)] || container;
}
while (container.parentNode != root) {
if (isTextBlock(container)) {
return container;
}
if (/^(TD|TH)$/.test(container.parentNode.nodeName)) {
return container;
}
container = container.parentNode;
}
return container;
}
var startNode = getEndPointNode(true);
var endNode = getEndPointNode();
var block, siblings = [];
for (var node = startNode; node; node = node.nextSibling) {
siblings.push(node);
if (node == endNode) {
break;
}
}
tinymce.each(siblings, function (node) {
if (isTextBlock(node)) {
textBlocks.push(node);
block = null;
return;
}
if (dom.isBlock(node) || isBr(node)) {
if (isBr(node)) {
dom.remove(node);
}
block = null;
return;
}
var nextSibling = node.nextSibling;
if (tinymce.dom.BookmarkManager.isBookmarkNode(node)) {
if (isTextBlock(nextSibling) || (!nextSibling && node.parentNode == root)) {
block = null;
return;
}
}
if (!block) {
block = dom.create('p');
node.parentNode.insertBefore(block, node);
textBlocks.push(block);
}
block.appendChild(node);
});
return textBlocks;
}
bookmark = createBookmark(rng);
tinymce.each(getSelectedTextBlocks(), function (block) {
var listBlock, sibling;
var hasCompatibleStyle = function (sib) {
var sibStyle = dom.getStyle(sib, 'list-style-type');
var detailStyle = detail ? detail['list-style-type'] : '';
detailStyle = detailStyle === null ? '' : detailStyle;
return sibStyle === detailStyle;
};
sibling = block.previousSibling;
if (sibling && isListNode(sibling) && sibling.nodeName == listName && hasCompatibleStyle(sibling)) {
listBlock = sibling;
block = dom.rename(block, listItemName);
sibling.appendChild(block);
} else {
listBlock = dom.create(listName);
block.parentNode.insertBefore(listBlock, block);
listBlock.appendChild(block);
block = dom.rename(block, listItemName);
}
updateListStyle(listBlock, detail);
mergeWithAdjacentLists(listBlock);
});
moveToBookmark(bookmark);
}
var updateListStyle = function (el, detail) {
dom.setStyle(el, 'list-style-type', detail ? detail['list-style-type'] : null);
};
function removeList() {
var bookmark = createBookmark(selection.getRng(true)), root = editor.getBody();
tinymce.each(getSelectedListItems(), function (li) {
var node, rootList;
if (isEditorBody(li.parentNode)) {
return;
}
if (isEmpty(li)) {
outdent(li);
return;
}
for (node = li; node && node != root; node = node.parentNode) {
if (isListNode(node)) {
rootList = node;
}
}
splitList(rootList, li);
});
moveToBookmark(bookmark);
}
function toggleList(listName, detail) {
var parentList = dom.getParent(selection.getStart(), 'OL,UL,DL');
if (isEditorBody(parentList)) {
return;
}
if (parentList) {
if (parentList.nodeName == listName) {
removeList(listName);
} else {
var bookmark = createBookmark(selection.getRng(true));
updateListStyle(parentList, detail);
mergeWithAdjacentLists(dom.rename(parentList, listName));
moveToBookmark(bookmark);
}
} else {
applyList(listName, detail);
}
}
function queryListCommandState(listName) {
return function () {
var parentList = dom.getParent(editor.selection.getStart(), 'UL,OL,DL');
return parentList && parentList.nodeName == listName;
};
}
function isBogusBr(node) {
if (!isBr(node)) {
return false;
}
if (dom.isBlock(node.nextSibling) && !isBr(node.previousSibling)) {
return true;
}
return false;
}
self.backspaceDelete = function (isForward) {
function findNextCaretContainer(rng, isForward) {
var node = rng.startContainer, offset = rng.startOffset;
var nonEmptyBlocks, walker;
if (node.nodeType == 3 && (isForward ? offset < node.data.length : offset > 0)) {
return node;
}
nonEmptyBlocks = editor.schema.getNonEmptyElements();
if (node.nodeType == 1) {
node = tinymce.dom.RangeUtils.getNode(node, offset);
}
walker = new tinymce.dom.TreeWalker(node, editor.getBody());
// Delete at <li>|<br></li> then jump over the bogus br
if (isForward) {
if (isBogusBr(node)) {
walker.next();
}
}
while ((node = walker[isForward ? 'next' : 'prev2']())) {
if (node.nodeName == 'LI' && !node.hasChildNodes()) {
return node;
}
if (nonEmptyBlocks[node.nodeName]) {
return node;
}
if (node.nodeType == 3 && node.data.length > 0) {
return node;
}
}
}
function mergeLiElements(fromElm, toElm) {
var node, listNode, ul = fromElm.parentNode;
if (!isChildOfBody(fromElm) || !isChildOfBody(toElm)) {
return;
}
if (isListNode(toElm.lastChild)) {
listNode = toElm.lastChild;
}
if (ul == toElm.lastChild) {
if (isBr(ul.previousSibling)) {
dom.remove(ul.previousSibling);
}
}
node = toElm.lastChild;
if (node && isBr(node) && fromElm.hasChildNodes()) {
dom.remove(node);
}
if (isEmpty(toElm, true)) {
dom.$(toElm).empty();
}
if (!isEmpty(fromElm, true)) {
while ((node = fromElm.firstChild)) {
toElm.appendChild(node);
}
}
if (listNode) {
toElm.appendChild(listNode);
}
dom.remove(fromElm);
if (isEmpty(ul) && !isEditorBody(ul)) {
dom.remove(ul);
}
}
if (selection.isCollapsed()) {
var li = dom.getParent(selection.getStart(), 'LI'), ul, rng, otherLi;
if (li) {
ul = li.parentNode;
if (isEditorBody(ul) && dom.isEmpty(ul)) {
return true;
}
rng = selection.getRng(true);
otherLi = dom.getParent(findNextCaretContainer(rng, isForward), 'LI');
if (otherLi && otherLi != li) {
var bookmark = createBookmark(rng);
if (isForward) {
mergeLiElements(otherLi, li);
} else {
mergeLiElements(li, otherLi);
}
moveToBookmark(bookmark);
return true;
} else if (!otherLi) {
if (!isForward && removeList(ul.nodeName)) {
return true;
}
}
}
}
};
editor.on('BeforeExecCommand', function (e) {
var cmd = e.command.toLowerCase(), isHandled;
if (cmd == "indent") {
if (indentSelection()) {
isHandled = true;
}
} else if (cmd == "outdent") {
if (outdentSelection()) {
isHandled = true;
}
}
if (isHandled) {
editor.fire('ExecCommand', {command: e.command});
e.preventDefault();
return true;
}
});
editor.addCommand('InsertUnorderedList', function (ui, detail) {
toggleList('UL', detail);
});
editor.addCommand('InsertOrderedList', function (ui, detail) {
toggleList('OL', detail);
});
editor.addCommand('InsertDefinitionList', function (ui, detail) {
toggleList('DL', detail);
});
editor.addQueryStateHandler('InsertUnorderedList', queryListCommandState('UL'));
editor.addQueryStateHandler('InsertOrderedList', queryListCommandState('OL'));
editor.addQueryStateHandler('InsertDefinitionList', queryListCommandState('DL'));
editor.on('keydown', function (e) {
// Check for tab but not ctrl/cmd+tab since it switches browser tabs
if (e.keyCode != 9 || tinymce.util.VK.metaKeyPressed(e)) {
return;
}
if (editor.dom.getParent(editor.selection.getStart(), 'LI,DT,DD')) {
e.preventDefault();
if (e.shiftKey) {
outdentSelection();
} else {
indentSelection();
}
}
});
});
editor.addButton('indent', {
icon: 'indent',
title: 'Increase indent',
cmd: 'Indent',
onPostRender: function () {
var ctrl = this;
editor.on('nodechange', function () {
var blocks = editor.selection.getSelectedBlocks();
var disable = false;
for (var i = 0, l = blocks.length; !disable && i < l; i++) {
var tag = blocks[i].nodeName;
disable = (tag == 'LI' && isFirstChild(blocks[i]) || tag == 'UL' || tag == 'OL' || tag == 'DD');
}
ctrl.disabled(disable);
});
}
});
editor.on('keydown', function (e) {
if (e.keyCode == tinymce.util.VK.BACKSPACE) {
if (self.backspaceDelete()) {
e.preventDefault();
}
} else if (e.keyCode == tinymce.util.VK.DELETE) {
if (self.backspaceDelete(true)) {
e.preventDefault();
}
}
});
});
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