/**
 * 明细行下移按钮
 */
Ext.define('erp.view.core.button.Down', {
	extend : 'Ext.Button',
	alias : 'widget.downdetail',
	iconCls : 'x-button-icon-down',
	cls : 'x-btn-tb',
	tooltip : $I18N.common.button.erpDownDetailButton,
	disabled : true,
	// width: 65,
	initComponent : function() {
		this.callParent(arguments);
	},
	handler : function(btn) {
		var grid = btn.ownerCt.ownerCt;
		var record = grid.selModel.lastSelected;
		var fIdx = grid.store.indexOf(record);
		if (fIdx > -1) {
			var to = grid.store.getAt(fIdx + 1);
			if (to) {
				var keys = Ext.Object.getKeys(record.data);
				var v1 = Ext.Object.getValues(record.data);
				var v2 = Ext.Object.getValues(to.data);
				record.modified = {};
				to.modified = {};
				Ext.each(keys, function(key, index) {
					if (key != grid.detno) {// 行编号不换
						record.set(key, v2[index]);
						to.set(key, v1[index]);
					}
				});
			}
		}
	}
});