Improved delayed viewers.

Made photo gadget a delayed viewer for zoom effect.

src/magic/ui/DelayedViewer.java

@@ -0,0 +1,8 @@
+package magic.ui;
+
+public interface DelayedViewer {
+
+	public void showDelayed();
+	
+	public void hideDelayed();
+}

src/magic/ui/DelayedViewersThread.java

@@ -1,6 +1,5 @@
 package magic.ui;
 
-import java.awt.Component;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -8,24 +7,24 @@ public class DelayedViewersThread extends Thread {
 
 	private static final DelayedViewersThread VIEWER_THREAD=new DelayedViewersThread();
 
-	private final Map<Component,Long> delayedViewers;
+	private final Map<DelayedViewer,Long> delayedViewers;
 	
 	private DelayedViewersThread() {
 
-		delayedViewers=new HashMap<Component,Long>();
+		delayedViewers=new HashMap<DelayedViewer,Long>();
 		start();
 	}
 	
-	public synchronized void showViewer(final Component component,final int delay) {
+	public synchronized void showViewer(final DelayedViewer delayedViewer,final int delay) {
 		
-		delayedViewers.put(component,System.currentTimeMillis()+delay);
+		delayedViewers.put(delayedViewer,System.currentTimeMillis()+delay);
 		notify();
 	}
 	
-	public synchronized void hideViewer(final Component component) {
+	public synchronized void hideViewer(final DelayedViewer delayedViewer) {
 
-		delayedViewers.remove(component);
-		component.setVisible(false);
+		delayedViewers.remove(delayedViewer);
+		delayedViewer.hideDelayed();
 	}
 	
 	@Override
@@ -38,12 +37,12 @@ public class DelayedViewersThread extends Thread {
 					wait();
 				}
 				final long time=System.currentTimeMillis();
-				for (final Component component : delayedViewers.keySet()) {
+				for (final DelayedViewer delayedViewer : delayedViewers.keySet()) {
 					
-					final long delayedTime=delayedViewers.get(component);
+					final long delayedTime=delayedViewers.get(delayedViewer);
 					if (delayedTime<=time) {
-						component.setVisible(true);
-						delayedViewers.remove(component);
+						delayedViewer.showDelayed();
+						delayedViewers.remove(delayedViewer);
 					}
 				}
 				wait(100);

src/magic/ui/viewer/CardViewer.java

@@ -8,10 +8,11 @@ import javax.swing.JPanel;
 
 import magic.data.CardImages;
 import magic.model.MagicCardDefinition;
+import magic.ui.DelayedViewer;
 import magic.ui.widget.FontsAndBorders;
 import magic.ui.widget.TitleBar;
 
-public class CardViewer extends JPanel {
+public class CardViewer extends JPanel implements DelayedViewer {
 
 	private static final long serialVersionUID = 1L;
 
@@ -45,4 +46,16 @@ public class CardViewer extends JPanel {
 			repaint();
 		}
 	}
+
+	@Override
+	public void showDelayed() {
+	
+		setVisible(true);
+	}
+	
+	@Override
+	public void hideDelayed() {
+
+		setVisible(false);
+	}
 }

src/magic/ui/viewer/ImageViewer.java

@@ -17,14 +17,17 @@ import javax.swing.JPanel;
 
 import magic.MagicMain;
 import magic.model.MagicRandom;
+import magic.ui.DelayedViewer;
+import magic.ui.DelayedViewersThread;
 
 /**
  *  Landscape image viewer.
  */
-public class ImageViewer extends JPanel {
+public class ImageViewer extends JPanel implements DelayedViewer {
 
 	private static final long serialVersionUID = 1L;
 	
+	private static final int DELAY=500;
 	private static final int VIEWER_WIDTH=300;
 	private static final int ZOOM_FACTOR=4;
 	
@@ -33,6 +36,7 @@ public class ImageViewer extends JPanel {
 	
 	private final BufferedImage image;
 	private Image scaledImage=null;
+	private boolean showScaled=false;
 	private boolean scaled=false;
 	private int imageWidth;
 	private int imageHeight;
@@ -91,18 +95,23 @@ public class ImageViewer extends JPanel {
 			
 			final MouseAdapter mouseListener=new MouseAdapter() {
 
+				@Override
+				public void mouseEntered(final MouseEvent e) {
+					
+					DelayedViewersThread.getInstance().showViewer(ImageViewer.this,DELAY);
+				}
+
 				@Override
 				public void mouseExited(final MouseEvent e) {
 
-					scaled=false;
-					repaint();
+					DelayedViewersThread.getInstance().hideViewer(ImageViewer.this);
 				}				
 
 				@Override
 				public void mouseMoved(final MouseEvent e) {
 
 					final int y=e.getY();
-					if (y<=viewerHeight) {
+					if (y<=viewerHeight&&showScaled) {
 						final int x=e.getX();
 						int px=(x*imageWidth)/getWidth();
 						int py=(y*imageHeight)/viewerHeight;
@@ -133,6 +142,21 @@ public class ImageViewer extends JPanel {
 		}
 	}
 	
+	@Override
+	public void showDelayed() {
+		
+		showScaled=true;
+		repaint();
+	}
+	
+	@Override
+	public void hideDelayed() {
+		
+		showScaled=false;
+		scaled=false;
+		repaint();
+	}
+
 	@Override
 	public void paint(final Graphics g) {