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	   <h2>TinyMCE_ForceParagraphs.class.js</h2>
	
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<h4>Summary</h4>
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		No overview generated for 'TinyMCE_ForceParagraphs.class.js'<BR/><BR/>
	
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        <pre class="sourceview"><span class="comment">/**
 * $RCSfile: overview-summary-TinyMCE_ForceParagraphs.class.js.html,v $
 * $Revision: 1.42 $
 * $Date: 2006/04/14 20:00:30 $
 *
 * <span class="attrib">@author</span> Moxiecode
 * <span class="attrib">@copyright</span> Copyright  2004-2006, Moxiecode Systems AB, All rights reserved.
 */</span>

<span class="comment">/**
 * Forces P tags on return/enter in Gecko browsers.
 */</span>
var TinyMCE_ForceParagraphs = {
	<span class="comment">/**
	 * Inserts a paragraph at the current cursor location.
	 *
	 * <span class="attrib">@param</span> {TinyMCE_Control} inst TinyMCE editor control instance.
	 * <span class="attrib">@param</span> {DOMEvent} e DOM event object.
	 * <span class="attrib">@return</span> true on success or false if it fails.
	 * <span class="attrib">@type</span> boolean
	 * <span class="attrib">@private</span>
	 */</span>
	_insertPara : <span class="reserved">function</span>(inst, e) {
		<span class="reserved">function</span> isEmpty(para) {
			<span class="reserved">function</span> isEmptyHTML(html) {
				<span class="reserved">return</span> html.replace(new RegExp(<span class="literal">'[ \t\r\n]+'</span>, <span class="literal">'g'</span>), <span class="literal">''</span>).toLowerCase() == <span class="literal">""</span>;
			}

			<span class="comment">// Check for images</span>
			<span class="reserved">if</span> (para.getElementsByTagName(<span class="literal">"img"</span>).length &gt; 0)
				<span class="reserved">return</span> false;

			<span class="comment">// Check for tables</span>
			<span class="reserved">if</span> (para.getElementsByTagName(<span class="literal">"table"</span>).length &gt; 0)
				<span class="reserved">return</span> false;

			<span class="comment">// Check for HRs</span>
			<span class="reserved">if</span> (para.getElementsByTagName(<span class="literal">"hr"</span>).length &gt; 0)
				<span class="reserved">return</span> false;

			<span class="comment">// Check all textnodes</span>
			var nodes = tinyMCE.getNodeTree(para, new Array(), 3);
			<span class="reserved">for</span> (var i=0; i&lt;nodes.length; i++) {
				<span class="reserved">if</span> (!isEmptyHTML(nodes[i].nodeValue))
					<span class="reserved">return</span> false;
			}

			<span class="comment">// No images, no tables, no hrs, no text content then it's empty</span>
			<span class="reserved">return</span> true;
		}

		var doc = inst.getDoc();
		var sel = inst.getSel();
		var win = inst.contentWindow;
		var rng = sel.getRangeAt(0);
		var body = doc.body;
		var rootElm = doc.documentElement;
		var blockName = <span class="literal">"P"</span>;

	<span class="comment">//	tinyMCE.debug(body.innerHTML);</span>

	<span class="comment">//	debug(e.target, sel.anchorNode.nodeName, sel.focusNode.nodeName, rng.startContainer, rng.endContainer, rng.commonAncestorContainer, sel.anchorOffset, sel.focusOffset, rng.toString());</span>

		<span class="comment">// Setup before range</span>
		var rngBefore = doc.createRange();
		rngBefore.setStart(sel.anchorNode, sel.anchorOffset);
		rngBefore.collapse(true);

		<span class="comment">// Setup after range</span>
		var rngAfter = doc.createRange();
		rngAfter.setStart(sel.focusNode, sel.focusOffset);
		rngAfter.collapse(true);

		<span class="comment">// Setup start/end points</span>
		var direct = rngBefore.compareBoundaryPoints(rngBefore.START_TO_END, rngAfter) &lt; 0;
		var startNode = direct ? sel.anchorNode : sel.focusNode;
		var startOffset = direct ? sel.anchorOffset : sel.focusOffset;
		var endNode = direct ? sel.focusNode : sel.anchorNode;
		var endOffset = direct ? sel.focusOffset : sel.anchorOffset;

		startNode = startNode.nodeName == <span class="literal">"BODY"</span> ? startNode.firstChild : startNode;
		endNode = endNode.nodeName == <span class="literal">"BODY"</span> ? endNode.firstChild : endNode;

		<span class="comment">// tinyMCE.debug(startNode, endNode);</span>

		<span class="comment">// Get block elements</span>
		var startBlock = tinyMCE.getParentBlockElement(startNode);
		var endBlock = tinyMCE.getParentBlockElement(endNode);

		<span class="comment">// If absolute force paragraph generation within</span>
		<span class="reserved">if</span> (startBlock &amp;&amp; new RegExp(<span class="literal">'absolute|relative|static'</span>, <span class="literal">'gi'</span>).test(startBlock.style.position))
			startBlock = null;

		<span class="reserved">if</span> (endBlock &amp;&amp; new RegExp(<span class="literal">'absolute|relative|static'</span>, <span class="literal">'gi'</span>).test(endBlock.style.position))
			endBlock = null;

		<span class="comment">// Use current block name</span>
		<span class="reserved">if</span> (startBlock != null) {
			blockName = startBlock.nodeName;

			<span class="comment">// Use P instead</span>
			<span class="reserved">if</span> (blockName == <span class="literal">"TD"</span> || blockName == <span class="literal">"TABLE"</span> || (blockName == <span class="literal">"DIV"</span> &amp;&amp; new RegExp(<span class="literal">'left|right'</span>, <span class="literal">'gi'</span>).test(startBlock.style.cssFloat)))
				blockName = <span class="literal">"P"</span>;
		}

		<span class="comment">// Within a list use normal behaviour</span>
		<span class="reserved">if</span> (tinyMCE.getParentElement(startBlock, <span class="literal">"OL,UL"</span>) != null)
			<span class="reserved">return</span> false;

		<span class="comment">// Within a table create new paragraphs</span>
		<span class="reserved">if</span> ((startBlock != null &amp;&amp; startBlock.nodeName == <span class="literal">"TABLE"</span>) || (endBlock != null &amp;&amp; endBlock.nodeName == <span class="literal">"TABLE"</span>))
			startBlock = endBlock = null;

		<span class="comment">// Setup new paragraphs</span>
		var paraBefore = (startBlock != null &amp;&amp; startBlock.nodeName == blockName) ? startBlock.cloneNode(false) : doc.createElement(blockName);
		var paraAfter = (endBlock != null &amp;&amp; endBlock.nodeName == blockName) ? endBlock.cloneNode(false) : doc.createElement(blockName);

		<span class="comment">// Is header, then force paragraph under</span>
		<span class="reserved">if</span> (/^(H[1-6])$/.test(blockName))
			paraAfter = doc.createElement(<span class="literal">"p"</span>);

		<span class="comment">// Setup chop nodes</span>
		var startChop = startNode;
		var endChop = endNode;

		<span class="comment">// Get startChop node</span>
		node = startChop;
		do {
			<span class="reserved">if</span> (node == body || node.nodeType == 9 || tinyMCE.isBlockElement(node))
				break;

			startChop = node;
		} <span class="reserved">while</span> ((node = node.previousSibling ? node.previousSibling : node.parentNode));

		<span class="comment">// Get endChop node</span>
		node = endChop;
		do {
			<span class="reserved">if</span> (node == body || node.nodeType == 9 || tinyMCE.isBlockElement(node))
				break;

			endChop = node;
		} <span class="reserved">while</span> ((node = node.nextSibling ? node.nextSibling : node.parentNode));

		<span class="comment">// Fix when only a image is within the TD</span>
		<span class="reserved">if</span> (startChop.nodeName == <span class="literal">"TD"</span>)
			startChop = startChop.firstChild;

		<span class="reserved">if</span> (endChop.nodeName == <span class="literal">"TD"</span>)
			endChop = endChop.lastChild;

		<span class="comment">// If not in a block element</span>
		<span class="reserved">if</span> (startBlock == null) {
			<span class="comment">// Delete selection</span>
			rng.deleteContents();
			sel.removeAllRanges();

			<span class="reserved">if</span> (startChop != rootElm &amp;&amp; endChop != rootElm) {
				<span class="comment">// Insert paragraph before</span>
				rngBefore = rng.cloneRange();

				<span class="reserved">if</span> (startChop == body)
					rngBefore.setStart(startChop, 0);
				<span class="reserved">else</span>
					rngBefore.setStartBefore(startChop);

				paraBefore.appendChild(rngBefore.cloneContents());

				<span class="comment">// Insert paragraph after</span>
				<span class="reserved">if</span> (endChop.parentNode.nodeName == blockName)
					endChop = endChop.parentNode;

				<span class="comment">// If not after image</span>
				<span class="comment">//if (rng.startContainer.nodeName != "BODY" &amp;&amp; rng.endContainer.nodeName != "BODY")</span>
					rng.setEndAfter(endChop);

				<span class="reserved">if</span> (endChop.nodeName != <span class="literal">"#text"</span> &amp;&amp; endChop.nodeName != <span class="literal">"BODY"</span>)
					rngBefore.setEndAfter(endChop);

				var contents = rng.cloneContents();
				<span class="reserved">if</span> (contents.firstChild &amp;&amp; (contents.firstChild.nodeName == blockName || contents.firstChild.nodeName == <span class="literal">"BODY"</span>))
					paraAfter.innerHTML = contents.firstChild.innerHTML;
				<span class="reserved">else</span>
					paraAfter.appendChild(contents);

				<span class="comment">// Check if it's a empty paragraph</span>
				<span class="reserved">if</span> (isEmpty(paraBefore))
					paraBefore.innerHTML = <span class="literal">"&amp;nbsp;"</span>;

				<span class="comment">// Check if it's a empty paragraph</span>
				<span class="reserved">if</span> (isEmpty(paraAfter))
					paraAfter.innerHTML = <span class="literal">"&amp;nbsp;"</span>;

				<span class="comment">// Delete old contents</span>
				rng.deleteContents();
				rngAfter.deleteContents();
				rngBefore.deleteContents();

				<span class="comment">// Insert new paragraphs</span>
				paraAfter.normalize();
				rngBefore.insertNode(paraAfter);
				paraBefore.normalize();
				rngBefore.insertNode(paraBefore);

				<span class="comment">// tinyMCE.debug("1: ", paraBefore.innerHTML, paraAfter.innerHTML);</span>
			} <span class="reserved">else</span> {
				body.innerHTML = <span class="literal">"&lt;"</span> + blockName + <span class="literal">"&gt;&amp;nbsp;&lt;/"</span> + blockName + <span class="literal">"&gt;&lt;"</span> + blockName + <span class="literal">"&gt;&amp;nbsp;&lt;/"</span> + blockName + <span class="literal">"&gt;"</span>;
				paraAfter = body.childNodes[1];
			}

			inst.selection.selectNode(paraAfter, true, true);

			<span class="reserved">return</span> true;
		}

		<span class="comment">// Place first part within new paragraph</span>
		<span class="reserved">if</span> (startChop.nodeName == blockName)
			rngBefore.setStart(startChop, 0);
		<span class="reserved">else</span>
			rngBefore.setStartBefore(startChop);

		rngBefore.setEnd(startNode, startOffset);
		paraBefore.appendChild(rngBefore.cloneContents());

		<span class="comment">// Place secound part within new paragraph</span>
		rngAfter.setEndAfter(endChop);
		rngAfter.setStart(endNode, endOffset);
		var contents = rngAfter.cloneContents();

		<span class="reserved">if</span> (contents.firstChild &amp;&amp; contents.firstChild.nodeName == blockName) {
	<span class="comment">/*		var nodes = contents.firstChild.childNodes;
			for (var i=0; i&lt;nodes.length; i++) {
				//tinyMCE.debug(nodes[i].nodeName);
				if (nodes[i].nodeName != "BODY")
					paraAfter.appendChild(nodes[i]);
			}
	*/</span>
			paraAfter.innerHTML = contents.firstChild.innerHTML;
		} <span class="reserved">else</span>
			paraAfter.appendChild(contents);

		<span class="comment">// Check if it's a empty paragraph</span>
		<span class="reserved">if</span> (isEmpty(paraBefore))
			paraBefore.innerHTML = <span class="literal">"&amp;nbsp;"</span>;

		<span class="comment">// Check if it's a empty paragraph</span>
		<span class="reserved">if</span> (isEmpty(paraAfter))
			paraAfter.innerHTML = <span class="literal">"&amp;nbsp;"</span>;

		<span class="comment">// Create a range around everything</span>
		var rng = doc.createRange();

		<span class="reserved">if</span> (!startChop.previousSibling &amp;&amp; startChop.parentNode.nodeName.toUpperCase() == blockName) {
			rng.setStartBefore(startChop.parentNode);
		} <span class="reserved">else</span> {
			<span class="reserved">if</span> (rngBefore.startContainer.nodeName.toUpperCase() == blockName &amp;&amp; rngBefore.startOffset == 0)
				rng.setStartBefore(rngBefore.startContainer);
			<span class="reserved">else</span>
				rng.setStart(rngBefore.startContainer, rngBefore.startOffset);
		}

		<span class="reserved">if</span> (!endChop.nextSibling &amp;&amp; endChop.parentNode.nodeName.toUpperCase() == blockName)
			rng.setEndAfter(endChop.parentNode);
		<span class="reserved">else</span>
			rng.setEnd(rngAfter.endContainer, rngAfter.endOffset);

		<span class="comment">// Delete all contents and insert new paragraphs</span>
		rng.deleteContents();
		rng.insertNode(paraAfter);
		rng.insertNode(paraBefore);
		<span class="comment">//tinyMCE.debug("2", paraBefore.innerHTML, paraAfter.innerHTML);</span>

		<span class="comment">// Normalize</span>
		paraAfter.normalize();
		paraBefore.normalize();

		inst.selection.selectNode(paraAfter, true, true);

		<span class="reserved">return</span> true;
	},

	<span class="comment">/**
	 * Handles the backspace action in Gecko. This will remove the weird BR element
	 * that gets generated when a user hits backspace in the beginning of a paragraph.
	 *
	 * <span class="attrib">@param</span> {TinyMCE_Control} inst TinyMCE editor control instance.
	 * <span class="attrib">@return</span> true/false if the event should be canceled or not.
	 * <span class="attrib">@type</span>
	 */</span>
	_handleBackSpace : <span class="reserved">function</span>(inst) {
		var r = inst.getRng(), sn = r.startContainer, nv, s = false;

		<span class="reserved">if</span> (sn &amp;&amp; sn.nextSibling &amp;&amp; sn.nextSibling.nodeName == <span class="literal">"BR"</span>) {
			nv = sn.nodeValue;

			<span class="comment">// Handle if a backspace is pressed after a space character #bug 1466054</span>
			<span class="reserved">if</span> (nv != null &amp;&amp; nv.length &gt;= r.startOffset &amp;&amp; nv.charAt(r.startOffset - 1) == <span class="literal">' '</span>)
				s = true;

			<span class="comment">// Only remove BRs if we are at the end of line #bug 1464152</span>
			<span class="reserved">if</span> (nv != null &amp;&amp; r.startOffset == nv.length)
				sn.nextSibling.parentNode.removeChild(sn.nextSibling);
		}

		<span class="reserved">return</span> s;
	}
};
</pre>
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