overview-summary-tinymce_forceparagraphs.class.js.html

tinyMCE在线编辑器使用手册

			<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();
		var sn = r.startContainer;

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

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