popupfilepicker.java

《j2ee开发全程实录》随书源码

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

import java.awt.Component;
import java.io.File;

import javax.swing.JFileChooser;
import javax.swing.JTextField;

public class PopupFilePicker extends PopupDataPicker
{
	private JTextField edt;

	private File file;

	private JFileChooser fileChooser;

	public PopupFilePicker()
	{
		super();
		fileChooser = new JFileChooser();
		edt = new JTextField();
		edt.setEditable(false);
		updateUI();
	}

	public File getFile()
	{
		return file;
	}

	public void setFile(File file)
	{
		this.file = file;
		if (file == null)
		{
			edt.setText(null);
			return;
		}
		String path = file.getAbsolutePath();
		edt.setText(path);
	}

	protected void clearData()
	{
		setFile(null);
	}

	public Component getEditor()
	{
		return edt;
	}

	protected void pickData()
	{
		int ret = fileChooser.showOpenDialog(this);
		if (ret != JFileChooser.APPROVE_OPTION)
		{
			return;
		}

		setFile(fileChooser.getSelectedFile());
	}

}