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public/tinymce/plugins/directionality/plugin.js

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+/**
+ * plugin.js
+ *
+ * Copyright, Moxiecode Systems AB
+ * Released under LGPL License.
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+/*global tinymce:true */
+
+tinymce.PluginManager.add('directionality', function(editor) {
+	function setDir(dir) {
+		var dom = editor.dom, curDir, blocks = editor.selection.getSelectedBlocks();
+
+		if (blocks.length) {
+			curDir = dom.getAttrib(blocks[0], "dir");
+
+			tinymce.each(blocks, function(block) {
+				// Add dir to block if the parent block doesn't already have that dir
+				if (!dom.getParent(block.parentNode, "*[dir='" + dir + "']", dom.getRoot())) {
+					if (curDir != dir) {
+						dom.setAttrib(block, "dir", dir);
+					} else {
+						dom.setAttrib(block, "dir", null);
+					}
+				}
+			});
+
+			editor.nodeChanged();
+		}
+	}
+
+	function generateSelector(dir) {
+		var selector = [];
+
+		tinymce.each('h1 h2 h3 h4 h5 h6 div p'.split(' '), function(name) {
+			selector.push(name + '[dir=' + dir + ']');
+		});
+
+		return selector.join(',');
+	}
+
+	editor.addCommand('mceDirectionLTR', function() {
+		setDir("ltr");
+	});
+
+	editor.addCommand('mceDirectionRTL', function() {
+		setDir("rtl");
+	});
+
+	editor.addButton('ltr', {
+		title: 'Left to right',
+		cmd: 'mceDirectionLTR',
+		stateSelector: generateSelector('ltr')
+	});
+
+	editor.addButton('rtl', {
+		title: 'Right to left',
+		cmd: 'mceDirectionRTL',
+		stateSelector: generateSelector('rtl')
+	});
+});