/**
 * 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.Directionality', {
        init: function (ed, url) {
            var t = this;

            t.editor = ed;

            ed.addCommand('mceDirectionLTR', function () {
                var e = ed.dom.getParent(ed.selection.getNode(), ed.dom.isBlock);

                if (e) {
                    if (ed.dom.getAttrib(e, "dir") != "ltr")
                        ed.dom.setAttrib(e, "dir", "ltr");
                    else
                        ed.dom.setAttrib(e, "dir", "");
                }

                ed.nodeChanged();
            });

            ed.addCommand('mceDirectionRTL', function () {
                var e = ed.dom.getParent(ed.selection.getNode(), ed.dom.isBlock);

                if (e) {
                    if (ed.dom.getAttrib(e, "dir") != "rtl")
                        ed.dom.setAttrib(e, "dir", "rtl");
                    else
                        ed.dom.setAttrib(e, "dir", "");
                }

                ed.nodeChanged();
            });

            ed.addButton('ltr', {title: 'directionality.ltr_desc', cmd: 'mceDirectionLTR'});
            ed.addButton('rtl', {title: 'directionality.rtl_desc', cmd: 'mceDirectionRTL'});

            ed.onNodeChange.add(t._nodeChange, t);
        },

        getInfo: function () {
            return {
                longname: 'Directionality',
                author: 'Moxiecode Systems AB',
                authorurl: 'http://tinymce.moxiecode.com',
                infourl: 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/directionality',
                version: tinymce.majorVersion + "." + tinymce.minorVersion
            };
        },

        // Private methods

        _nodeChange: function (ed, cm, n) {
            var dom = ed.dom, dir;

            n = dom.getParent(n, dom.isBlock);
            if (!n) {
                cm.setDisabled('ltr', 1);
                cm.setDisabled('rtl', 1);
                return;
            }

            dir = dom.getAttrib(n, 'dir');
            cm.setActive('ltr', dir == "ltr");
            cm.setDisabled('ltr', 0);
            cm.setActive('rtl', dir == "rtl");
            cm.setDisabled('rtl', 0);
        }
    });

    // Register plugin
    tinymce.PluginManager.add('directionality', tinymce.plugins.Directionality);
})();