fix #1 IllegalComponentStateException: The frame is decorated

Author: evernat

pom.xml

@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>net.java.dev.dcd</groupId>
 	<artifactId>dcd</artifactId>
-	<version>2.0</version>
+	<version>2.1</version>
 	<packaging>jar</packaging>
 	<name>Dead Code Detector</name>
 	<url>https://github.com/evernat/dead-code-detector/wiki</url>

src/main/java/dcd/DcdHelper.java

@@ -44,7 +44,7 @@ final class DcdHelper {
 	/**
 	 * Nom et copyright de DCD.
 	 */
-	static final String APPLICATION_NAME = "Dead Code Detector, Copyright 2008-2017 by Emeric Vernat";
+	static final String APPLICATION_NAME = "Dead Code Detector, Copyright 2008-2018 by Emeric Vernat";
 	private static final char METHOD_SEPARATOR = ' ';
 	private static final int VISIBILITY_PUBLIC_OR_PROTECTED = Modifier.PUBLIC | Modifier.PROTECTED;
 

src/main/java/dcd/ui/DeadCodeDetectorUI.java

@@ -24,13 +24,9 @@
 import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.Paint;
-import java.awt.Window;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 import java.io.File;
-import java.lang.reflect.Method;
 
 import javax.swing.JFrame;
 import javax.swing.JOptionPane;
@@ -49,10 +45,7 @@
 public class DeadCodeDetectorUI extends JPanel {
 	private static final long serialVersionUID = 1L;
 	private static final Color GRADIENT_COLOR = new Color(166, 202, 240);
-	private static final int APPEAR_STEP = 25;
-	private static final int APPEAR_DURATION = 750;
 	final ParametersPanel parametersPanel;
-	javax.swing.Timer appearTimer;
 
 	/**
 	 * Constructeur du panel.
@@ -122,55 +115,13 @@ public void windowClosing(WindowEvent e) {
 			final Dimension dimension = frame.getToolkit().getScreenSize();
 			frame.setLocation(dimension.width / 2 - frame.getWidth() / 2,
 					dimension.height / 2 - frame.getHeight() / 2);
-			ui.disappear();
 			frame.setVisible(true);
-			ui.appear();
 		} catch (final Exception e) {
 			DcdUiHelper.printStackTrace(e);
 			JOptionPane.showMessageDialog(null, e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
 		}
 	}
 
-	private void appear() {
-		final JFrame frame = (JFrame) SwingUtilities.windowForComponent(this);
-		final long startTime = System.currentTimeMillis();
-		appearTimer = new javax.swing.Timer(APPEAR_STEP, new ActionListener() {
-			/** {@inheritDoc} */
-			@Override
-			public void actionPerformed(ActionEvent e) {
-				// calculate elapsed time
-				final long elapsed = System.currentTimeMillis() - startTime;
-				final float alpha = Math.min(1f, 1.0f * elapsed / APPEAR_DURATION);
-				setWindowOpacity(frame, alpha);
-				if (elapsed >= APPEAR_DURATION) { // should we stop timer?
-					appearTimer.stop();
-				}
-			}
-		});
-
-		appearTimer.start();
-	}
-
-	private void disappear() {
-		final JFrame frame = (JFrame) SwingUtilities.windowForComponent(this);
-		setWindowOpacity(frame, 0f);
-	}
-
-	static void setWindowOpacity(JFrame frame, float alpha) {
-		// cette méthode fonctionne à partir de Java 1.6.0_10 (update 10)
-		try {
-			//invoke AWTUtilities.setWindowOpacity(win, alpha);
-			final Class<?> awtutil = Class.forName("com.sun.awt.AWTUtilities");
-			final Method setWindowOpaque = awtutil.getMethod("setWindowOpacity", Window.class,
-					float.class);
-			setWindowOpaque.invoke(null, frame, alpha);
-		} catch (final Throwable ex) { // NOPMD
-			// pour MAC OS X
-			frame.getRootPane().putClientProperty("Window.alpha", Float.valueOf(alpha));
-			// sinon pas v1.6.0_u10 ou + : tant pis
-		}
-	}
-
 	/** {@inheritDoc} */
 	@Override
 	protected void paintComponent(Graphics graphics) {