Ext.define('Ext.ux.form.DateTimeField', {
    extend: 'Ext.form.field.Date',
    alias: 'widget.datetimefield',
    requires: ['Ext.picker.Date'],

    format: "Y-m-d H:i:s",
    altFormats: "Y-m-d H:i:s",
    initComponent: function () {
        if (this.format == "Y-m-d") {
            this.format = this.format + ' ' + 'H:i:s';
        }
        this.callParent();
    },
    createPicker: function () {
        var me = this,
        format = Ext.String.format;
        return Ext.create('Ext.ux.DateTimePicker', {
            ////pickerField: me,
            ownerCt: me.ownerCt,
            renderTo: document.body,
            floating: true,
            hidden: true,
            focusOnShow: true,
            minDate: me.minValue,
            maxDate: me.maxValue,
            disabledDatesRE: me.disabledDatesRE,
            disabledDatesText: me.disabledDatesText,
            disabledDays: me.disabledDays,
            disabledDaysText: me.disabledDaysText,
            format: me.format,
            showToday: me.showToday,
            startDay: me.startDay,
            minText: format(me.minText, me.formatDate(me.minValue)),
            maxText: format(me.maxText, me.formatDate(me.maxValue)),
            listeners: {
                scope: me,
                select: me.onSelect
            },
            keyNavConfig: {
                esc: function () {
                    me.collapse();
                }
            }
        });

    }
    
/**
* @private
*/
,onExpand: function () {
    var value = this.getValue();

    //多传一个参数，从而避免时分秒被忽略。
    this.picker.setValue(Ext.isDate(value) ? value : new Date(), true);
}
  });