popupdatapicker.java

《j2ee开发全程实录》随书源码

package com.cownew.PIS.ui.ctrl.prompt;


import java.awt.Component;

import javax.swing.JComponent;


abstract public class PopupDataPicker extends JComponent
{
    private PopupDataPickerUI ui;

	abstract protected Component getEditor();

	public void updateUI()
	{
		ui = new PopupDataPickerUI();
		setUI(ui);
	}
	
	public boolean isEnabled()
	{
		return ui.isEnabled();
	}
	
	public void setEnabled(boolean enabled)
	{
		super.setEnabled(enabled);
		ui.setEnabled(enabled);
	}
	
	/**
	 * 浏览按钮按下,展现数据供用户选择,并把选择的数据填充到编辑器控件中
	 *
	 */
	abstract protected void pickData();
	
	/**
	 * 清除编辑器控件中的数据
	 *
	 */
	abstract protected void clearData();

}