带复选框且支持搜索功能的下拉列表9

// private    findRecord : function(prop, value)    {        var record;        if (this.store.getCount() > 0)        {            this.store.each(function(r)            {                if (r.data[prop] == value)                {                    record = r;                    return false;                }            });        }        return record;    },    // private    onViewMove : function(e, t)    {        this.inKeyMode = false;    },    // private    onViewOver : function(e, t)    {        if (this.inKeyMode)        { // prevent key nav and mouse over conflicts            return;        }        var item = this.view.findItemFromChild(t);        if (item)        {            var index = this.view.indexOf(item);            this.select(index, false);        }    },    // private    onViewClick : function(doFocus)    {        var index = this.view.getSelectedIndexes()[0];        var r = this.store.getAt(index);        if (r)        {            this.onSelect(r, index);        }        if (doFocus !== false)        {            this.el.focus();        }    },    // private    restrictHeight : function()    {        this.innerList.dom.style.height = '';        var inner = this.innerList.dom;        var fw = this.list.getFrameWidth('tb');        var h = Math.max(inner.clientHeight, inner.offsetHeight, inner.scrollHeight);        this.innerList.setHeight(h < this.maxHeight ? 'auto' : this.maxHeight);        this.list.beginUpdate();        this.list.setHeight(this.innerList.getHeight() + fw + (this.resizable ? this.handleHeight : 0) + this                .assetHeight);        this.list.alignTo(this.el, this.listAlign);        this.list.endUpdate();    },