Extjs 4 클래스 의 정의 와 확장 인 스 턴 스

 
Ext.define('Simple.Class',{ 
welcome:function(){ 
alert('Welcome to the app'); 
} 
}); 

 
Ext.override(Simle.Class,{ 
goodBye:function(){ 
alert('Goodbye'); 
}, 
funAll:function(){ 
this.welcome(); 
this.goodBye(); 
} 
}); 

 
var app = new Simple.Class(); 
app.runAll(); //Welcome to the app Goodbye 

 
Simple.Class.override({ 
// New members... 
}); 

 
Ext.define('MyButton',{ 
extend:'Ext.Action', 
initComponent: function(){ 
var me = this; 
var initEnable = true; //     
} 
}); 
Ext.override(MyButton,{ 
mysetenable:function(b){ //              
if ( this.initEnable ) { 
if (b){ 
this.enable(); 
} 
else{ 
this.disable(); 
} 
} 
else{ 
this.disable(); 
} 
} 
}); 

 
Ext.define('PO_Head_Add_Panel', { 
extend: 'Ext.form.Panel', 
alias: 'widget.PO_Head_Add_Panel', 
//height:400, 
//width:600, 
frame: true, 
layout: 'anchor', // form     
bodyPadding: 5, //  5px 
//baseCls: "x-plain", //          
//defaults: { anchor: "95%", msgTarget: "side" }, 
// anchor: '100%', 
defaults:{//             
//autoFitErrors : false,//                    
labelSeparator :'：',//    
labelWidth : 60,//     
//width : 150,//     
allowBlank : false,//       
//blankText : '     ', //      ，       
labelAlign : 'right',//       
msgTarget :'qtip' //            
//msgTarget :'title' //                 
//msgTarget :'under' //              
//msgTarget :'side' //               
//msgTarget :'none' //        
//msgTarget :'errorMsg' // errorMsg          
}, 
items:[{ 
xtype:'combobox', 
name: 'ToAddress', 
labelWidth:70, 
width:600, 
queryMode: 'local', 
store:TmpAddressStore, 
displayField: 'AddrName', 
valueField: 'AddrName', 
editable : false,//        
forceSelection : true,//          
msgTarget: 'side', 
allowBlank: false, //       
fieldLabel: '    ' 
},{ 
xtype:'textfield', 
name: 'HRemark', 
labelWidth:70, 
width:600, 
msgTarget: 'side', 
allowBlank: false, //       
fieldLabel: '  ' 
}], 
initComponent: function(){ 
var me = this; 
var PoType = ''; //       obj.PoType    
var TmpHeadRec = Ext.create('PO_HeadData'); 

Ext.apply(this, { 
buttons: [{ 
text: '  ', 
handler:function(){ 
if (me.getForm().isValid()) { //                 
//     
} 
} 
}, { 
text: '  ', 
handler: function () { 
me.ownerCt.hide(); 
} 
}], 
SetFormValue:function(){ //      obj.SetFormValue()      
me.TmpHeadRec = HeadStore.getAt(0); 
me.getForm().findField('POType').setValue(me.TmpHeadRec.get('POType')); 
me.getForm().findField('PONum').setValue(me.TmpHeadRec.get('PONum')); 
} 
}); 

this.callParent(arguments); 
} 
});