/**

 * $Id: editor_plugin_src.js 201 2007-02-12 15:56:56Z spocke $

 *

 * @author Moxiecode

 * @copyright Copyright © 2004-2007, Moxiecode Systems AB, All rights reserved.

 */

(function() {

	tinymce.create('tinymce.plugins.VisualChars', {

		init : function(ed, url) {

			var t = this;

			t.editor = ed;

			// Register commands

			ed.addCommand('mceVisualChars', t._toggleVisualChars, t);

			// Register buttons

			ed.addButton('visualchars', {title : 'visualchars.desc', cmd : 'mceVisualChars'});

			ed.onBeforeGetContent.add(function(ed, o) {

				if (t.state) {

					t.state = true;

					t._toggleVisualChars();

				}

			});

		},

		getInfo : function() {

			return {

				longname : 'Visual characters',

				author : 'Moxiecode Systems AB',

				authorurl : 'http://tinymce.moxiecode.com',

				infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/visualchars',

				version : tinymce.majorVersion + "." + tinymce.minorVersion

			};

		},

		// Private methods

		_toggleVisualChars : function() {

			var t = this, ed = t.editor, nl, i, h, d = ed.getDoc(), b = ed.getBody(), nv, s = ed.selection, bo;

			t.state = !t.state;

			ed.controlManager.setActive('visualchars', t.state);

			if (t.state) {

				nl = [];

				tinymce.walk(b, function(n) {

					if (n.nodeType == 3 && n.nodeValue && n.nodeValue.indexOf('\u00a0') != -1)

						nl.push(n);

				}, 'childNodes');

				for (i=0; i<nl.length; i++) {

					nv = nl[i].nodeValue;

					nv = nv.replace(/(\u00a0+)/g, '<span class="mceItemHiddenVisualChar">$1</span>');

					nv = nv.replace(/\u00a0/g, '\u00b7');

					ed.dom.setOuterHTML(nl[i], nv, d);

				}

			} else {

				nl = tinymce.grep(ed.dom.select('span', b), function(n) {

					return ed.dom.hasClass(n, 'mceItemHiddenVisualChar');

				});

				for (i=0; i<nl.length; i++)

					ed.dom.setOuterHTML(nl[i], nl[i].innerHTML.replace(/(·|\u00b7)/g, ' '), d);

			}

		}

	});

	// Register plugin

	tinymce.PluginManager.add('visualchars', tinymce.plugins.VisualChars);

})();