partkeepr

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ClearableComboBox.js (910B)

      1 Ext.define('Ext.ux.ClearableComboBox', {
      2 	extend: "Ext.form.ComboBox",
      3 	alias: "widget.clearcombo",
      4     initComponent: function() {
      5         this.triggerConfig = {
      6             tag:'span', cls:'x-form-twin-triggers', cn:[
      7             {tag: "img", src: Ext.BLANK_IMAGE_URL, cls: "x-form-trigger x-form-clear-trigger"},
      8             {tag: "img", src: Ext.BLANK_IMAGE_URL, cls: "x-form-trigger"}
      9         ]};
     10         
     11         this.callParent();
     12     },
     13     onTrigger1Click : function()
     14     {
     15         this.collapse();
     16         this.setValue('');
     17         this.fireEvent('cleared');
     18     },
     19     setValue : function(v){
     20 	Ext.form.ClearableComboBox.superclass.setValue.call(this, v);
     21 	if (this.rendered) {
     22 		this.triggers[0][!Ext.isEmpty(v) ? 'show': 'hide']();
     23 	}
     24     },
     25     onDestroy: function(){
     26         Ext.destroy(this.triggers);
     27         Ext.form.ClearableComboBox.superclass.onDestroy.apply(this, arguments);
     28     }
     29 });