带复选框且支持搜索功能的下拉列表8

getValue : function()    {        if (this.valueField)        {            return typeof this.value != 'undefined' ? this.value : '';        }        else        {            return Ext.form.ComboBox.superclass.getValue.call(this);        }    },    /**     * Clears any text/value currently set in the field     */    clearValue : function()    {        if (this.hiddenField)        {            this.hiddenField.value = '';        }        this.setRawValue('');        this.lastSelectionText = '';        this.applyEmptyText();    },    setValue : function(v)    {        var text = v;        if (this.valueField)        {            var r = this.findRecord(this.valueField, v);            if (r)            {                text = r.data[this.displayField];            } else if (this.valueNotFoundText !== undefined)            {                text = this.valueNotFoundText;            }        }        this.lastSelectionText = text;        Ext.form.ComboBox.superclass.setValue.call(this, text);        this.value = v;    },    /*-----zKF36477 处理下拉多选框赋值操作，批量选中编写的扩展方法 start-----*/    setValues_array : function(v)    {        var text = "";        this.initList();        var vv = null != v ? v.split(",") : "";        for (var i = 0; i < vv.length; i++)        {            if (this.valueField)            {                var r = this.findRecord(this.valueField, vv[i]);                if (r)                {                    var check = document.getElementById("checkBox_" + r.data[this.displayField]);                    if (null != check && check != undefined && check != "")                    {                        if (text == "")                        {                            text += r.data[this.displayField];                        }                        else                        {                            text += "," + r.data[this.displayField];                        }                        if (check.className == "checked")                        {                            check.className = "checked"                        }                        else                        {                            check.className = "checked"                        }                    }                } else if (this.valueNotFoundText !== undefined)                {                    if (text == "")                    {                        text += this.valueNotFoundText;                    }                    else                    {                        text += "," + this.valueNotFoundText;                    }                }            }        }        this.lastSelectionText = text;        Ext.form.ComboBox.superclass.setValue.call(this, text);        this.value = text;    },    /*-----zKF36477 处理下拉多选框赋值操作，批量选中编写的扩展方法 end-----*/"]