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