Grey out config button when disabled

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-over/trunk@391 174cde9d-5d70-4d2a-aa98-46368bc2aaf7

3 files changed, 48 insertions, 24 deletions

diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/Constants.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/Constants.java
index efb2819b..4b557e1e 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/Constants.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/Constants.java
@@ -98,6 +98,9 @@ public class Constants {
 					"/img/config.png" : //$NON-NLS-1$
 					"/img/config_p.png"; //$NON-NLS-1$
 
+	/** Config inactive image resource */
+	public static final String RES_IMG_CONFIG_DISABLED = "/img/config_disabled.png"; //$NON-NLS-1$
+
 	/** Error image resource */
 	public static final String RES_IMG_ERROR = "/img/error.png"; //$NON-NLS-1$
 
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/MainWindow.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/MainWindow.java
index 502c8525..18cabc86 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/MainWindow.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/MainWindow.java
@@ -84,29 +84,19 @@ public class MainWindow {
 	 * Main bar Buttons
 	 */
 	public enum Buttons {
-		/**
-		 * the configuration button
-		 */
+		/** the configuration button */
 		CONFIG,
 
-		/**
-		 * the open button
-		 */
+		/** the open button */
 		OPEN,
 
-		/**
-		 * the position button
-		 */
+		/** the position button */
 		POSITION,
 
-		/**
-		 * the signature button
-		 */
+		/** the signature button */
 		SIGN,
 
-		/**
-		 * the final button
-		 */
+		/** the final button */
 		FINAL
 	}
 
@@ -283,7 +273,6 @@ public class MainWindow {
 		this.btn_config
 				.setToolTipText(Messages.getString("main.configuration")); //$NON-NLS-1$
 		this.btn_config.addMouseListener(new MouseAdapter() {
-
 			@Override
 			public void mouseUp(MouseEvent e) {
 				MainWindow.this.stateMachine
@@ -294,9 +283,11 @@ public class MainWindow {
 		this.buttonMap.put(Buttons.CONFIG, this.btn_config);
 
 		InputStream is = this.getClass().getResourceAsStream(Constants.RES_IMG_CONFIG);
-
-		this.btn_config.setImage(new Image(Display.getDefault(), new ImageData(
-				is)));
+		((MainBarRectangleButton) this.btn_config).setEnabledImage(
+				new Image(Display.getDefault(), new ImageData(is)));
+		is = this.getClass().getResourceAsStream(Constants.RES_IMG_CONFIG_DISABLED);
+		((MainBarRectangleButton) this.btn_config).setDisabledImage(
+				new Image(Display.getDefault(), new ImageData(is)));
 
 		Composite mainbarContainer = new Composite(this.mainbar, SWT.NONE);
 		mainbarContainer.setLayout(new FormLayout());
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/controls/MainBarRectangleButton.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/controls/MainBarRectangleButton.java
index 102d2c07..ce423977 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/controls/MainBarRectangleButton.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/controls/MainBarRectangleButton.java
@@ -17,6 +17,7 @@ package at.asit.pdfover.gui.controls;
 
 // Imports
 import org.eclipse.swt.events.PaintEvent;
+import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.Region;
 import org.eclipse.swt.widgets.Composite;
@@ -27,6 +28,17 @@ import org.slf4j.LoggerFactory;
  * 
  */
 public class MainBarRectangleButton extends MainBarButton {
+
+	/**
+	 * SLF4J Logger instance
+	 **/
+	@SuppressWarnings("unused")
+	private static final Logger log = LoggerFactory
+			.getLogger(MainBarRectangleButton.class);
+
+	private Image enabledImg = null;
+	private Image disabledImg = null;
+
 	/**
 	 * @param parent
 	 * @param style
@@ -38,11 +50,24 @@ public class MainBarRectangleButton extends MainBarButton {
 	}
 
 	/**
-	 * SLF4J Logger instance
-	 **/
-	@SuppressWarnings("unused")
-	private static final Logger log = LoggerFactory
-			.getLogger(MainBarRectangleButton.class);
+	 * Set the image to display while this control is enabled
+	 * @param enabledImg enabled image
+	 */
+	public void setEnabledImage(Image enabledImg) {
+		this.enabledImg = enabledImg;
+		if (getEnabled())
+			setImage(enabledImg);
+	}
+
+	/**
+	 * Set the image to display while this control is disabled
+	 * @param disabledImg disabled image
+	 */
+	public void setDisabledImage(Image disabledImg) {
+		this.disabledImg = disabledImg;
+		if (!getEnabled())
+			setImage(disabledImg);
+	}
 
 	/*
 	 * (non-Javadoc)
@@ -142,4 +167,9 @@ public class MainBarRectangleButton extends MainBarButton {
 		return reg;
 	}
 
+	@Override
+	public void setEnabled(boolean enabled) {
+		setImage(enabled ? this.enabledImg : this.disabledImg);
+		super.setEnabled(enabled);
+	}
 }