01.code/LanweiUI/UEditor/_src/ui/multiMenu.js

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///import core
///import uicore
 ///commands 表情
(function(){
    var utils = baidu.editor.utils,
        Popup = baidu.editor.ui.Popup,
        SplitButton = baidu.editor.ui.SplitButton,
        MultiMenuPop = baidu.editor.ui.MultiMenuPop = function(options){
            this.initOptions(options);
            this.initMultiMenu();
        };

    MultiMenuPop.prototype = {
        initMultiMenu: function (){
            var me = this;
            this.popup = new Popup({
                content: '',
                editor : me.editor,
                iframe_rendered: false,
                onshow: function (){
                    if (!this.iframe_rendered) {
                        this.iframe_rendered = true;
                        this.getDom('content').innerHTML = '<iframe id="'+me.id+'_iframe" src="'+ me.iframeUrl +'" frameborder="0"></iframe>';
                        me.editor.container.style.zIndex && (this.getDom().style.zIndex = me.editor.container.style.zIndex * 1 + 1);
                    }
                }
               // canSideUp:false,
               // canSideLeft:false
            });
            this.onbuttonclick = function(){
                this.showPopup();
            };
            this.initSplitButton();
        }

    };

    utils.inherits(MultiMenuPop, SplitButton);
})();