package com.googlecode.richrest.client.view.swing;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import com.googlecode.richrest.client.event.WorkAdapter;
import com.googlecode.richrest.client.event.WorkEvent;
import com.googlecode.richrest.client.event.WorkListener;
import com.googlecode.richrest.client.work.Work;
import com.googlecode.richrest.client.work.Worker;
import com.googlecode.richrest.util.ThreadUtils;
public class WorkDialog extends JDialog {
private static final long serialVersionUID = 1L;
private final WorkListener workListener;
private final JLabel workLabel;
private final JButton backButton;
private final JButton abortButton;
private Work work;
private Icon enableIcon = Images.getIcon("enable.gif");
private Icon disableIcon = Images.getIcon("disable.gif");
public WorkDialog(final Frame owner) {
super(owner, true);
this.setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);
this.setTitle("正在传输");
this.setSize(480, 200);
this.setResizable(false);
this.getContentPane().setLayout(new BorderLayout());
JPanel mainPanel = new JPanel();
mainPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
mainPanel.setLayout(new BorderLayout());
this.getContentPane().add(BorderLayout.CENTER, mainPanel);
final JPanel messagePanel = new JPanel();
messagePanel.setLayout(new BorderLayout());
mainPanel.add(BorderLayout.NORTH, messagePanel);
final JPanel abortPanel = new JPanel();
abortPanel.setLayout(new BorderLayout());
mainPanel.add(BorderLayout.SOUTH, abortPanel);
final JPanel backPanel = new JPanel();
backPanel.setLayout(new BorderLayout());
abortPanel.add(BorderLayout.CENTER, backPanel);
final JPanel progressPanel = new JPanel();
progressPanel.setLayout(new BorderLayout());
mainPanel.add(BorderLayout.CENTER, progressPanel);
final JLabel messageLabel = new JLabel("正在发送请求，请稍候...");
messagePanel.add(BorderLayout.NORTH, messageLabel);
workLabel = new JLabel();
messagePanel.add(BorderLayout.SOUTH, workLabel);
final JProgressBar progressBar = new JProgressBar();
progressBar.setIndeterminate(true);
progressPanel.add(BorderLayout.SOUTH, progressBar);
backButton = new JButton("后台运行", Images.getIcon("back.gif"));
backPanel.add(BorderLayout.EAST, backButton);
backButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
final Work work = WorkDialog.this.work;
if (work != null && work.isBackable()) {
ThreadUtils.execute(new Runnable(){
public void run() {
try {
work.back();
} catch (Throwable t) {
JOptionPane.showMessageDialog(WorkDialog.this, "后台运行传输项失败! 原因: " + t.getMessage(), "后台运行", JOptionPane.WARNING_MESSAGE);
}
}
});
}
}
});
abortButton = new JButton("中止", Images.getIcon("abort.gif"));
abortPanel.add(BorderLayout.EAST, abortButton);
abortButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
final Work work = WorkDialog.this.work;
if (work != null && work.isAbortable()) {
ThreadUtils.execute(new Runnable(){
public void run() {
try {
work.abort();
} catch (Throwable t) {
JOptionPane.showMessageDialog(WorkDialog.this, "中止传输项失败! 原因: " + t.getMessage(), "中止", JOptionPane.WARNING_MESSAGE);
}
}
});
}
}
});
workListener = new WorkAdapter() { // 只在非UI线程执行
public void onForeWorking(WorkEvent event) {
if (UIUtils.isNonUIThread(event.getThread())) {
showWork(event.getWork());
}
}
public void onBackWorking(WorkEvent event) {
onWorked(event);
}
public void onWorked(WorkEvent event) {
if (UIUtils.isNonUIThread(event.getThread())) {
try {
if (Worker.getWorker().isForeWorking()) {
Work work = Worker.getWorker().getForeWorks().iterator().next();
showWork(work);
return;
}
} catch (Throwable t) {
// ignore
}
showWork(null);
}
}
};
Worker.getWorker().addListener(workListener);
}
private void showWork(Work work) {
if (this.work != work) {
this.work = work;
if (work != null) {
backButton.setEnabled(work.isBackable());
abortButton.setEnabled(work.isAbortable());
if (work.isAbortable())
workLabel.setIcon(enableIcon);
else
workLabel.setIcon(disableIcon);
workLabel.setText(work.toString());
if (! WorkDialog.this.isVisible()) {
Dimension scr = Toolkit.getDefaultToolkit().getScreenSize();
Dimension fra = WorkDialog.this.getSize();
WorkDialog.this.setLocation((scr.width - fra.width) / 2, (scr.height - fra.height) / 2);// 在屏幕居中显示
WorkDialog.this.setVisible(true);
}
} else {
WorkDialog.this.setVisible(false);
}
}
}
@Override
public void dispose() {
Worker.getWorker().removeListener(workListener);
super.dispose();
}
}