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/**
 * $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.
 */

/* Import plugin specific language pack */
tinyMCE.importPluginLanguagePack('directionality');

var TinyMCE_DirectionalityPlugin = {
        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
                };
        },

        getControlHTML : function(cn) {
                switch (cn) {
                        case "ltr":
                                return tinyMCE.getButtonHTML(cn, 'lang_directionality_ltr_desc', '{$pluginurl}/images/ltr.gif', 'mceDirectionLTR');

                        case "rtl":
                                return tinyMCE.getButtonHTML(cn, 'lang_directionality_rtl_desc', '{$pluginurl}/images/rtl.gif', 'mceDirectionRTL');
                }

                return "";
        },

        execCommand : function(editor_id, element, command, user_interface, value) {
                // Handle commands
                switch (command) {
                        case "mceDirectionLTR":
                                var inst = tinyMCE.getInstanceById(editor_id);
                                var elm = tinyMCE.getParentElement(inst.getFocusElement(), "p,div,td,h1,h2,h3,h4,h5,h6,pre,address");

                                if (elm)
                                        elm.setAttribute("dir", "ltr");

                                tinyMCE.triggerNodeChange(false);
                                return true;

                        case "mceDirectionRTL":
                                var inst = tinyMCE.getInstanceById(editor_id);
                                var elm = tinyMCE.getParentElement(inst.getFocusElement(), "p,div,td,h1,h2,h3,h4,h5,h6,pre,address");

                                if (elm)
                                        elm.setAttribute("dir", "rtl");

                                tinyMCE.triggerNodeChange(false);
                                return true;
                }

                // Pass to next handler in chain
                return false;
        },

        handleNodeChange : function(editor_id, node, undo_index, undo_levels, visual_aid, any_selection) {
                function getAttrib(elm, name) {
                        return elm.getAttribute(name) ? elm.getAttribute(name) : "";
                }

                if (node == null)
                        return;

                var elm = tinyMCE.getParentElement(node, "p,div,td,h1,h2,h3,h4,h5,h6,pre,address");
                if (!elm) {
                        tinyMCE.switchClass(editor_id + '_ltr', 'mceButtonDisabled');
                        tinyMCE.switchClass(editor_id + '_rtl', 'mceButtonDisabled');
                        return true;
                }

                tinyMCE.switchClass(editor_id + '_ltr', 'mceButtonNormal');
                tinyMCE.switchClass(editor_id + '_rtl', 'mceButtonNormal');

                var dir = getAttrib(elm, "dir");
                if (dir == "ltr" || dir == "")
                        tinyMCE.switchClass(editor_id + '_ltr', 'mceButtonSelected');
                else
                        tinyMCE.switchClass(editor_id + '_rtl', 'mceButtonSelected');

                return true;
        }
};

tinyMCE.addPlugin("directionality", TinyMCE_DirectionalityPlugin);