/**

 * editor_plugin_src.js

 *

 * Copyright 2009, Moxiecode Systems AB

 * Released under LGPL License.

 *

 * License: http://tinymce.moxiecode.com/license

 * Contributing: http://tinymce.moxiecode.com/contributing

 */



(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 && o.format != 'raw' && !o.draft) {

					t.state = true;

					t._toggleVisualChars(false);

				}

			});

		},



		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(bookmark) {

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



			t.state = !t.state;

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



			if (bookmark)

				bm = s.getBookmark();



			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 data-mce-bogus="1" class="mceItemHidden mceItemNbsp">$1</span>');



					div = ed.dom.create('div', null, nv);

					while (node = div.lastChild)

						ed.dom.insertAfter(node, nl[i]);



					ed.dom.remove(nl[i]);

				}

			} else {

				nl = ed.dom.select('span.mceItemNbsp', b);



				for (i = nl.length - 1; i >= 0; i--)

					ed.dom.remove(nl[i], 1);

			}



			s.moveToBookmark(bm);

		}

	});



	// Register plugin

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

})();