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[Spring-rich-c-cvs] SF.net SVN: spring-rich-c: [1516] trunk/spring-richclient/support/src/main/ java/org/springframework/richclient/application/splash
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From: <mat...@us...> - 2006-10-18 08:20:49
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Revision: 1516
http://svn.sourceforge.net/spring-rich-c/?rev=1516&view=rev
Author: mathiasbr
Date: 2006-10-18 01:20:34 -0700 (Wed, 18 Oct 2006)
Log Message:
-----------
Improve handling of SplashScreens
splash() and dispose() final again
createSplashContentPane renamed to createContentPane and return type changed to java.awt.Component
AbstractSplashScreen can handle null return values of createContentPane
Modified Paths:
--------------
trunk/spring-richclient/support/src/main/java/org/springframework/richclient/application/splash/AbstractSplashScreen.java
trunk/spring-richclient/support/src/main/java/org/springframework/richclient/application/splash/ProgressSplashScreen.java
trunk/spring-richclient/support/src/main/java/org/springframework/richclient/application/splash/SimpleSplashScreen.java
Modified: trunk/spring-richclient/support/src/main/java/org/springframework/richclient/application/splash/AbstractSplashScreen.java
===================================================================
--- trunk/spring-richclient/support/src/main/java/org/springframework/richclient/application/splash/AbstractSplashScreen.java 2006-10-17 10:42:10 UTC (rev 1515)
+++ trunk/spring-richclient/support/src/main/java/org/springframework/richclient/application/splash/AbstractSplashScreen.java 2006-10-18 08:20:34 UTC (rev 1516)
@@ -15,6 +15,7 @@
*/
package org.springframework.richclient.application.splash;
+import java.awt.Component;
import java.awt.Image;
import java.awt.Toolkit;
import java.net.URL;
@@ -35,7 +36,7 @@
*
* <p>
* The splash screen produced by this class will be an undecorated, centered
- * frame containing the component provided by {@link #createSplashContentPane()},
+ * frame containing the component provided by {@link #createContentPane()},
* which is the only method that subclasses need to implement.
* </p>
*
@@ -51,7 +52,8 @@
private JFrame frame;
private MessageSource messageSource;
private String iconResourcePath;
- private static final Log logger = LogFactory.getLog(AbstractSplashScreen.class);
+
+ protected final Log logger = LogFactory.getLog(getClass());
/**
* Returns the location of the image to be used as the icon for the splash
@@ -101,7 +103,7 @@
this.messageSource = messageSource;
}
- public void dispose() {
+ public final void dispose() {
if (frame != null) {
frame.dispose();
@@ -112,15 +114,11 @@
/**
* Creates and displays an undecorated, centered splash screen containing the
- * component provided by {@link #createSplashContentPane()}. If this instance
+ * component provided by {@link #createContentPane()}. If this instance
* has been provided with a {@link MessageSource}, it will be used to retrieve
* the splash screen's frame title under the key {@value #SPLASH_TITLE_KEY}.
- *
- * @throws NoSuchMessageException if a {@link MessageSource} has been set
- * on this instance and it is unable to find a message under the key
- * {@value #SPLASH_TITLE_KEY}.
*/
- public void splash() {
+ public final void splash() {
frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
frame.setUndecorated(true);
@@ -128,10 +126,10 @@
frame.setTitle(loadFrameTitle());
frame.setIconImage(loadFrameIcon());
- JComponent content = createSplashContentPane();
- Assert.notNull(content, "Splash content cannot be null");
-
- frame.getContentPane().add(content);
+ Component content = createContentPane();
+ if(content != null) {
+ frame.getContentPane().add(content);
+ }
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
@@ -166,9 +164,10 @@
}
/**
- * Returns the component to be displayed in the splash screen's main frame.
- *
- * @return The content pane component, never null.
+ * Returns the component to be displayed in the splash screen's main frame. If the returned value is null the frame
+ * for the splash screen will still be created but will not have any content
+ *
+ * @return The content pane component. Can be null.
*/
- protected abstract JComponent createSplashContentPane();
+ protected abstract Component createContentPane();
}
Modified: trunk/spring-richclient/support/src/main/java/org/springframework/richclient/application/splash/ProgressSplashScreen.java
===================================================================
--- trunk/spring-richclient/support/src/main/java/org/springframework/richclient/application/splash/ProgressSplashScreen.java 2006-10-17 10:42:10 UTC (rev 1515)
+++ trunk/spring-richclient/support/src/main/java/org/springframework/richclient/application/splash/ProgressSplashScreen.java 2006-10-18 08:20:34 UTC (rev 1516)
@@ -16,6 +16,7 @@
package org.springframework.richclient.application.splash;
import java.awt.BorderLayout;
+import java.awt.Component;
import javax.swing.JComponent;
import javax.swing.JPanel;
@@ -56,7 +57,7 @@
*
* @return The showProgressLabel flag.
*/
- public boolean getShowProgressLabel() {
+ public boolean isShowProgressLabel() {
return showProgressLabel;
}
@@ -75,13 +76,15 @@
*
* @return A splash screen containing an image and a progress bar, never null.
*/
- protected JComponent createSplashContentPane() {
+ protected Component createContentPane() {
JPanel content = new JPanel(new BorderLayout());
- content.add(super.createSplashContentPane());
+ Component component = super.createContentPane();
+ if(component != null)
+ content.add(component);
JProgressBar progressBar = getProgressBar();
progressBar.setIndeterminate(isIndeterminate());
- progressBar.setStringPainted(getShowProgressLabel());
+ progressBar.setStringPainted(isShowProgressLabel());
content.add(progressBar, BorderLayout.SOUTH);
Modified: trunk/spring-richclient/support/src/main/java/org/springframework/richclient/application/splash/SimpleSplashScreen.java
===================================================================
--- trunk/spring-richclient/support/src/main/java/org/springframework/richclient/application/splash/SimpleSplashScreen.java 2006-10-17 10:42:10 UTC (rev 1515)
+++ trunk/spring-richclient/support/src/main/java/org/springframework/richclient/application/splash/SimpleSplashScreen.java 2006-10-18 08:20:34 UTC (rev 1516)
@@ -15,6 +15,7 @@
*/
package org.springframework.richclient.application.splash;
+import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
@@ -43,8 +44,6 @@
private String imageResourcePath;
- private boolean imageLoaded = false;
-
private static final Log logger = LogFactory.getLog(SimpleSplashScreen.class);
/**
@@ -91,15 +90,8 @@
public void setImageResourcePath(String path) {
Assert.hasText(path, "The splash screen image resource path is required");
this.imageResourcePath = path;
- this.imageLoaded = false;
}
- public void splash() {
- if (getImage() != null) {
- super.splash();
- }
- }
-
/**
* Load image from path.
*
@@ -118,9 +110,8 @@
}
protected Image getImage() {
- if(!imageLoaded && imageResourcePath != null) {
+ if(image == null && imageResourcePath != null) {
image = loadImage(imageResourcePath);
- imageLoaded = true;
}
return image;
}
@@ -172,7 +163,11 @@
/**
* Returns a component that displays an image in a canvas.
*/
- protected JComponent createSplashContentPane() {
- return new ImageCanvas(getImage());
+ protected Component createContentPane() {
+ Image image = getImage();
+ if(image != null) {
+ return new ImageCanvas(image);
+ }
+ return null;
}
}
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