132 lignes
3.5 KiB
JavaScript
132 lignes
3.5 KiB
JavaScript
/**
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* ForceBlocks.js
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*
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* Copyright, Moxiecode Systems AB
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* Released under LGPL License.
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*
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* License: http://www.tinymce.com/license
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* Contributing: http://www.tinymce.com/contributing
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*/
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define("tinymce/ForceBlocks", [], function() {
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return function(editor) {
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var settings = editor.settings, dom = editor.dom, selection = editor.selection;
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var schema = editor.schema, blockElements = schema.getBlockElements();
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function addRootBlocks() {
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var node = selection.getStart(), rootNode = editor.getBody(), rng;
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var startContainer, startOffset, endContainer, endOffset, rootBlockNode;
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var tempNode, offset = -0xFFFFFF, wrapped, restoreSelection;
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var tmpRng, rootNodeName, forcedRootBlock;
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forcedRootBlock = settings.forced_root_block;
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if (!node || node.nodeType !== 1 || !forcedRootBlock) {
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return;
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}
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// Check if node is wrapped in block
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while (node && node != rootNode) {
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if (blockElements[node.nodeName]) {
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return;
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}
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node = node.parentNode;
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}
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// Get current selection
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rng = selection.getRng();
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if (rng.setStart) {
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startContainer = rng.startContainer;
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startOffset = rng.startOffset;
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endContainer = rng.endContainer;
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endOffset = rng.endOffset;
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try {
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restoreSelection = editor.getDoc().activeElement === rootNode;
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} catch (ex) {
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// IE throws unspecified error here sometimes
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}
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} else {
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// Force control range into text range
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if (rng.item) {
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node = rng.item(0);
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rng = editor.getDoc().body.createTextRange();
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rng.moveToElementText(node);
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}
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restoreSelection = rng.parentElement().ownerDocument === editor.getDoc();
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tmpRng = rng.duplicate();
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tmpRng.collapse(true);
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startOffset = tmpRng.move('character', offset) * -1;
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if (!tmpRng.collapsed) {
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tmpRng = rng.duplicate();
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tmpRng.collapse(false);
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endOffset = (tmpRng.move('character', offset) * -1) - startOffset;
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}
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}
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// Wrap non block elements and text nodes
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node = rootNode.firstChild;
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rootNodeName = rootNode.nodeName.toLowerCase();
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while (node) {
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// TODO: Break this up, too complex
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if (((node.nodeType === 3 || (node.nodeType == 1 && !blockElements[node.nodeName]))) &&
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schema.isValidChild(rootNodeName, forcedRootBlock.toLowerCase())) {
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// Remove empty text nodes
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if (node.nodeType === 3 && node.nodeValue.length === 0) {
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tempNode = node;
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node = node.nextSibling;
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dom.remove(tempNode);
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continue;
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}
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if (!rootBlockNode) {
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rootBlockNode = dom.create(forcedRootBlock);
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node.parentNode.insertBefore(rootBlockNode, node);
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wrapped = true;
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}
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tempNode = node;
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node = node.nextSibling;
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rootBlockNode.appendChild(tempNode);
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} else {
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rootBlockNode = null;
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node = node.nextSibling;
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}
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}
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if (wrapped && restoreSelection) {
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if (rng.setStart) {
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rng.setStart(startContainer, startOffset);
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rng.setEnd(endContainer, endOffset);
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selection.setRng(rng);
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} else {
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// Only select if the previous selection was inside the document to prevent auto focus in quirks mode
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try {
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rng = editor.getDoc().body.createTextRange();
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rng.moveToElementText(rootNode);
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rng.collapse(true);
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rng.moveStart('character', startOffset);
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if (endOffset > 0) {
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rng.moveEnd('character', endOffset);
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}
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rng.select();
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} catch (ex) {
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// Ignore
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}
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}
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editor.nodeChanged();
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}
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}
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// Force root blocks
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if (settings.forced_root_block) {
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editor.on('KeyUp NodeChange', addRootBlocks);
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}
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};
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}); |