//月弹窗扩展

 //只选月

 Ext.define('ux.picker.Month', {

     extend: 'Ext.picker.Month',

     alias: 'widget.uxMonthpicker',

     alternateClassName: 'ux.uxMonthPicker',

     afterRender: function () {

         var me = this;

         //取消监听mousedown事件，否则无法触发事件

         me.el.on('mousedown', me.onElClick, me, { translate: false });

         me.callParent();

     }

 });

 //扩展

 //只能选月的时间扩展

 Ext.define('ux.form.field.Month', {

     extend: 'Ext.form.field.Date',

     alias: 'widget.uxMonthfield',

     xtype: 'uxMonthfield',

     requires: ['ux.picker.Month'],

     format: 'Y-m',

     selectMonth: new Date(),

     createPicker: function () {

         var me = this;

         return new ux.picker.Month({

             value: new Date(),

             renderTo: document.body,

             floating: true,

             hidden: true,

             focusOnShow: true,

             listeners: {

                 scope: me,

                 select: me.onSelect,

                 cancelclick: me.onCancelClick,

                 okclick: me.onOKClick,

                 yeardblclick: me.onOKClick,

                 monthdblclick: me.onOKClick

             }

         });

     },

     onCancelClick: function () {

         var me = this;

         me.selectMonth = null;

         me.collapse();

     },

     onOKClick: function () {

         var me = this;

         if (me.selectMonth) {

             me.setValue(me.selectMonth);

             me.fireEvent('select', me, me.selectMonth);

         }

         me.collapse();

     },

     onSelect: function (m, d) {

         var me = this;

         me.selectMonth = new Date((d[0] + 1) + '/1/' + d[1]);

     }

 });