src/test/java/org/apache/commons/scxml2/env/StopWatchDisplay.java - commons-scxml - Git at Google

 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.
  * The ASF licenses this file to You under the Apache License, Version 2.0
  * (the "License"); you may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
  *
  *     https://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package org.apache.commons.scxml2.env;

 import java.awt.BorderLayout;
 import java.awt.Graphics;
 import java.awt.Image;
 import java.awt.Toolkit;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.net.URL;
 import java.util.Timer;
 import java.util.TimerTask;

 import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JPanel;

 import org.apache.commons.scxml2.model.ModelException;

 /**
  * Quick GUI to demonstrate the SCXML driven stopwatch.
  *
  * Separation of UI (this class) from behavior (StopWatch class).
  * UI serves merely as a front to relay user initiated events to StopWatch
  * object, which encapsulates all the behavior of a stopwatch.
  * Using SCXML makes the StopWatch class simplistic, and provides a direct
  * route from the UML model to the runtime.
  *
  * @see StopWatch
  */
 public class StopWatchDisplay extends JFrame
         implements ActionListener {

     final class WatchPanel extends JPanel {
         @Override
         public void paintComponent(final Graphics g) {
             if (watchImage != null) {
                 g.drawImage(watchImage, 0, 0, getWidth(), getHeight(), this);
             }
         }
     }
     // spaces :: GridBagConstraints ;-)
     private static final String
         DISPLAY_PREFIX = "<html><font face=\"Courier\" color=\"maroon\"" +
             " size=\"10\"><b>&nbsp;&nbsp;&nbsp;",
         DISPLAY_SUFFIX = "</b></font></html>",
         STATE_PREFIX = "<html><font color=\"blue\" size=\"4\"" +
             ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;",
         STATE_SUFFIX = "</font></html>";

     public static void main(final String[] args) throws Exception {
         new StopWatchDisplay();
     }

     private final StopWatch stopWatch;

     private Image watchImage;

     private JLabel display, state;

     private JButton start, split;

     public StopWatchDisplay() throws ModelException {
         super("SCXML stopwatch");
         stopWatch = new StopWatch();
         setupUI();
     }

     @Override
     public void actionPerformed(final ActionEvent e) {
         final String command = e.getActionCommand();
         if (command.equals("START")) {
             if (start.getText().equals("Start")) {
                 stopWatch.fireEvent(StopWatch.EVENT_START);
                 start.setText("Stop");
                 split.setEnabled(true);
             } else if (start.getText().equals("Stop")) {
                 stopWatch.fireEvent(StopWatch.EVENT_STOP);
                 start.setText("Reset");
                 split.setEnabled(false);
             } else {
                 stopWatch.fireEvent(StopWatch.EVENT_RESET);
                 start.setText("Start");
                 split.setText("Split");
             }
         } else if (command.equals("SPLIT")) {
             if (split.getText().equals("Split")) {
                 stopWatch.fireEvent(StopWatch.EVENT_SPLIT);
                 split.setText("Unsplit");
             } else {
                 stopWatch.fireEvent(StopWatch.EVENT_UNSPLIT);
                 split.setText("Split");
             }
         }
     }
     private JButton makeButton(final String actionCommand,
             final String toolTipText, final String altText) {
         final JButton button = new JButton(altText);
         button.setActionCommand(actionCommand);
         button.setToolTipText(toolTipText);
         button.addActionListener(this);
         button.setOpaque(false);
         return button;
     }
     private void setupUI() {
         final URL imageURL = this.getClass().getClassLoader().getResource("org/apache/commons/scxml2/env/stopwatch.gif");
         final URL iconURL = this.getClass().getClassLoader().getResource("org/apache/commons/scxml2/env/stopwatchicon.gif");
         final Toolkit kit = Toolkit.getDefaultToolkit();
         watchImage = kit.createImage(imageURL);
         final Image watchIcon = kit.createImage(iconURL);
         final WatchPanel panel = new WatchPanel();
         panel.setLayout(new BorderLayout());
         setContentPane(panel);
         display = new JLabel(stopWatch.getDisplay());
         panel.add(display, BorderLayout.PAGE_START);
         start = makeButton("START", "start, stop, reset", "Start");
         panel.add(start, BorderLayout.LINE_START);
         state = new JLabel();
         panel.add(state, BorderLayout.CENTER);
         split = makeButton("SPLIT", "split, unsplit", "Split");
         split.setEnabled(false);
         panel.add(split, BorderLayout.LINE_END);
         pack();
         setLocation(200, 200);
         setIconImage(watchIcon);
         setResizable(false);
         setSize(300, 125);
         setVisible(true);
         setDefaultCloseOperation(EXIT_ON_CLOSE);
         final Timer displayTimer = new Timer();
         displayTimer.scheduleAtFixedRate(new TimerTask() {
             @Override
             public void run() {
                 display.setText(DISPLAY_PREFIX + stopWatch.getDisplay() + DISPLAY_SUFFIX);
                 state.setText(STATE_PREFIX + stopWatch.getCurrentState() + STATE_SUFFIX);
             }
         }, 100, 100);
     }

 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one or more
	* contributor license agreements. See the NOTICE file distributed with
	* this work for additional information regarding copyright ownership.
	* The ASF licenses this file to You under the Apache License, Version 2.0
	* (the "License"); you may not use this file except in compliance with
	* the License. You may obtain a copy of the License at
	*
	* https://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package org.apache.commons.scxml2.env;

	import java.awt.BorderLayout;
	import java.awt.Graphics;
	import java.awt.Image;
	import java.awt.Toolkit;
	import java.awt.event.ActionEvent;
	import java.awt.event.ActionListener;
	import java.net.URL;
	import java.util.Timer;
	import java.util.TimerTask;

	import javax.swing.JButton;
	import javax.swing.JFrame;
	import javax.swing.JLabel;
	import javax.swing.JPanel;

	import org.apache.commons.scxml2.model.ModelException;

	/**
	* Quick GUI to demonstrate the SCXML driven stopwatch.
	*
	* Separation of UI (this class) from behavior (StopWatch class).
	* UI serves merely as a front to relay user initiated events to StopWatch
	* object, which encapsulates all the behavior of a stopwatch.
	* Using SCXML makes the StopWatch class simplistic, and provides a direct
	* route from the UML model to the runtime.
	*
	* @see StopWatch
	*/
	public class StopWatchDisplay extends JFrame
	implements ActionListener {

	final class WatchPanel extends JPanel {
	@Override
	public void paintComponent(final Graphics g) {
	if (watchImage != null) {
	g.drawImage(watchImage, 0, 0, getWidth(), getHeight(), this);
	}
	}
	}
	// spaces :: GridBagConstraints ;-)
	private static final String
	DISPLAY_PREFIX = "<html><font face=\"Courier\" color=\"maroon\"" +
	" size=\"10\"><b>   ",
	DISPLAY_SUFFIX = "</b></font></html>",
	STATE_PREFIX = "<html><font color=\"blue\" size=\"4\"" +
	">        ",
	STATE_SUFFIX = "</font></html>";

	public static void main(final String[] args) throws Exception {
	new StopWatchDisplay();
	}

	private final StopWatch stopWatch;

	private Image watchImage;

	private JLabel display, state;

	private JButton start, split;

	public StopWatchDisplay() throws ModelException {
	super("SCXML stopwatch");
	stopWatch = new StopWatch();
	setupUI();
	}

	@Override
	public void actionPerformed(final ActionEvent e) {
	final String command = e.getActionCommand();
	if (command.equals("START")) {
	if (start.getText().equals("Start")) {
	stopWatch.fireEvent(StopWatch.EVENT_START);
	start.setText("Stop");
	split.setEnabled(true);
	} else if (start.getText().equals("Stop")) {
	stopWatch.fireEvent(StopWatch.EVENT_STOP);
	start.setText("Reset");
	split.setEnabled(false);
	} else {
	stopWatch.fireEvent(StopWatch.EVENT_RESET);
	start.setText("Start");
	split.setText("Split");
	}
	} else if (command.equals("SPLIT")) {
	if (split.getText().equals("Split")) {
	stopWatch.fireEvent(StopWatch.EVENT_SPLIT);
	split.setText("Unsplit");
	} else {
	stopWatch.fireEvent(StopWatch.EVENT_UNSPLIT);
	split.setText("Split");
	}
	}
	}
	private JButton makeButton(final String actionCommand,
	final String toolTipText, final String altText) {
	final JButton button = new JButton(altText);
	button.setActionCommand(actionCommand);
	button.setToolTipText(toolTipText);
	button.addActionListener(this);
	button.setOpaque(false);
	return button;
	}
	private void setupUI() {
	final URL imageURL = this.getClass().getClassLoader().getResource("org/apache/commons/scxml2/env/stopwatch.gif");
	final URL iconURL = this.getClass().getClassLoader().getResource("org/apache/commons/scxml2/env/stopwatchicon.gif");
	final Toolkit kit = Toolkit.getDefaultToolkit();
	watchImage = kit.createImage(imageURL);
	final Image watchIcon = kit.createImage(iconURL);
	final WatchPanel panel = new WatchPanel();
	panel.setLayout(new BorderLayout());
	setContentPane(panel);
	display = new JLabel(stopWatch.getDisplay());
	panel.add(display, BorderLayout.PAGE_START);
	start = makeButton("START", "start, stop, reset", "Start");
	panel.add(start, BorderLayout.LINE_START);
	state = new JLabel();
	panel.add(state, BorderLayout.CENTER);
	split = makeButton("SPLIT", "split, unsplit", "Split");
	split.setEnabled(false);
	panel.add(split, BorderLayout.LINE_END);
	pack();
	setLocation(200, 200);
	setIconImage(watchIcon);
	setResizable(false);
	setSize(300, 125);
	setVisible(true);
	setDefaultCloseOperation(EXIT_ON_CLOSE);
	final Timer displayTimer = new Timer();
	displayTimer.scheduleAtFixedRate(new TimerTask() {
	@Override
	public void run() {
	display.setText(DISPLAY_PREFIX + stopWatch.getDisplay() + DISPLAY_SUFFIX);
	state.setText(STATE_PREFIX + stopWatch.getCurrentState() + STATE_SUFFIX);
	}
	}, 100, 100);
	}

	}