/**
 * $Id$
 */

(function() {
	// Load plugin specific language pack
	tinymce.PluginManager.requireLangPack('moodlenolink');

	tinymce.create('tinymce.plugins.moodlenolinkPlugin', {
		/**
		 * Initializes the plugin, this will be executed after the plugin has been created.
		 * This call is done before the editor instance has finished it's initialization so use the onInit event
		 * of the editor instance to intercept that event.
		 *
		 * @param {tinymce.Editor} ed Editor instance that the plugin is initialized in.
		 * @param {string} url Absolute URL to where the plugin is located.
		 */
		init : function(ed, url) {
			// Register the command so that it can be invoked by using tinyMCE.activeEditor.execCommand('mcemoodlenolink');
			ed.addCommand('mcemoodlenolink', function() {
                var n, p;
               
                n = ed.selection.getNode();
                p = ed.dom.getParent(n, function(t) { 
                    return ed.dom.getAttrib(t, 'class') == 'nolink';
                });

                if (p) {
                    ed.dom.remove(p, true);
                } else {
                    ed.selection.setContent('<span class="nolink">' + ed.selection.getContent() + '</span>');
                }

			});

			// Register moodlenolink button
			ed.addButton('moodlenolink', {
				title : 'moodlenolink.desc',
				cmd : 'mcemoodlenolink',
				image : url + '/img/ed_nolink.gif'
			});

			// Add a node change handler, selects the button in the UI when a image is selected
			ed.onNodeChange.add(function(ed, cm, n) {
                var p, c;
                c = cm.get('moodlenolink');
                p = ed.dom.getParent(n, 'SPAN');

                c.setActive(p && ed.dom.hasClass(p, 'nolink'));

                if (p && ed.dom.hasClass(p, 'nolink') || ed.selection.getContent()) {
                    c.setDisabled(false);
                } else {
                    c.setDisabled(true);
                }
			});
		},

		/**
		 * Returns information about the plugin as a name/value array.
		 * The current keys are longname, author, authorurl, infourl and version.
		 *
		 * @return {Object} Name/value array containing information about the plugin.
		 */
		getInfo : function() {
			return {
				longname : 'moodlenolink plugin',
				author : 'Mathieu Petit-Clair',
				authorurl : 'http://moodle.com/hq',
				infourl : 'http://docs.moodle.org/en/TinyMCE',
				version : "1.0"
			};
		}
	});

	// Register plugin
	tinymce.PluginManager.add('moodlenolink', tinymce.plugins.moodlenolinkPlugin);
})();
