source: trunk/admin/inc/ckeditor/_source/plugins/menubutton/plugin.js@ 430

/*
Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/

CKEDITOR.plugins.add( 'menubutton',
{
        requires : [ 'button', 'menu' ],
        beforeInit : function( editor )
        {
                editor.ui.addHandler( CKEDITOR.UI_MENUBUTTON, CKEDITOR.ui.menuButton.handler );
        }
});

/**
 * Button UI element.
 * @constant
 * @example
 */
CKEDITOR.UI_MENUBUTTON = 'menubutton';

(function()
{
        var clickFn = function( editor )
        {
                var _ = this._;

                // Do nothing if this button is disabled.
                if ( _.state === CKEDITOR.TRISTATE_DISABLED )
                        return;

                _.previousState = _.state;

                // Check if we already have a menu for it, otherwise just create it.
                var menu = _.menu;
                if ( !menu )
                {
                        menu = _.menu = new CKEDITOR.menu( editor,
                        {
                                panel:
                                {
                                        className : editor.skinClass + ' cke_contextmenu',
                                        attributes : { 'aria-label' : editor.lang.common.options }
                                }
                        });

                        menu.onHide = CKEDITOR.tools.bind( function()
                                {
                                        this.setState( this.modes && this.modes[ editor.mode ] ? _.previousState : CKEDITOR.TRISTATE_DISABLED );
                                },
                                this );

                        // Initialize the menu items at this point.
                        if ( this.onMenu )
                                menu.addListener( this.onMenu );
                }

                if ( _.on )
                {
                        menu.hide();
                        return;
                }

                this.setState( CKEDITOR.TRISTATE_ON );

                menu.show( CKEDITOR.document.getById( this._.id ), 4 );
        };


        CKEDITOR.ui.menuButton = CKEDITOR.tools.createClass(
        {
                base : CKEDITOR.ui.button,

                $ : function( definition )
                {
                        // We don't want the panel definition in this object.
                        var panelDefinition = definition.panel;
                        delete definition.panel;

                        this.base( definition );

                        this.hasArrow = true;

                        this.click = clickFn;
                },

                statics :
                {
                        handler :
                        {
                                create : function( definition )
                                {
                                        return new CKEDITOR.ui.menuButton( definition );
                                }
                        }
                }
        });
})();