X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.utils.ui%2Fsrc%2Forg%2Fsimantics%2Futils%2Fui%2Finternal%2Fawt%2FEmbeddedChildFocusTraversalPolicy.java;h=f4026b166a52fbc0a26d2cae43145e7307abc4f4;hb=HEAD;hp=b43832a3defec9ed0f438f75768cb79e2a824b81;hpb=06718abb2b3cc780748553811c4857c165499809;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/internal/awt/EmbeddedChildFocusTraversalPolicy.java b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/internal/awt/EmbeddedChildFocusTraversalPolicy.java
index b43832a3d..f4026b166 100644
--- a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/internal/awt/EmbeddedChildFocusTraversalPolicy.java
+++ b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/internal/awt/EmbeddedChildFocusTraversalPolicy.java
@@ -1,93 +1,93 @@
-/*******************************************************************************
- * Copyright (c) 2007 SAS Institute.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     SAS Institute - initial API and implementation
- *******************************************************************************/
-package org.simantics.utils.ui.internal.awt;
-
-import java.awt.Component;
-import java.awt.Container;
-import java.awt.EventQueue;
-
-import javax.swing.LayoutFocusTraversalPolicy;
-
-
-public class EmbeddedChildFocusTraversalPolicy extends LayoutFocusTraversalPolicy {
-
-    private static final long serialVersionUID = -7708166698501335927L;
-    private final AwtFocusHandler awtHandler;
-
-    public EmbeddedChildFocusTraversalPolicy(AwtFocusHandler handler) {
-         assert handler != null;
-         awtHandler = handler;
-    }
-
-    public Component getComponentAfter(Container container, Component component) {
-        assert container != null;
-        assert component != null;
-        assert awtHandler != null;
-        assert EventQueue.isDispatchThread();    // On AWT event thread
-        
-        if (component.equals(getLastComponent(container))) {
-            // Instead of cycling around to the first component, transfer to the next SWT component
-            awtHandler.transferFocusNext();
-            return null;
-        } else {
-            return super.getComponentAfter(container, component);
-        }
-    }
-
-    public Component getComponentBefore(Container container, Component component) {
-        assert container != null;
-        assert component != null;
-        assert awtHandler != null;
-        assert EventQueue.isDispatchThread();    // On AWT event thread
-        
-        if (component.equals(getFirstComponent(container))) {
-            // Instead of cycling around to the last component, transfer to the previous SWT component
-            awtHandler.transferFocusPrevious();
-            return null;
-        } else {
-            return super.getComponentBefore(container, component);
-        }
-    }
-    
-    public Component getDefaultComponent(Container container) {
-        assert container != null;
-        assert awtHandler != null;
-        assert EventQueue.isDispatchThread();    // On AWT event thread
-        
-        // This is a hack which depends on knowledge of current JDK implementation to 
-        // work. The implementation above of getComponentBefore/After
-        // properly returns null when transferring to SWT. However, the calling AWT container
-        // will then immediately try this method to find the next recipient of
-        // focus. But we don't want *any* AWT component to receive focus... it's just
-        // been transferred to SWT. So, this method must return null when AWT does 
-        // not own the focus. When AWT *does* own the focus, behave normally.  
-        if (awtHandler.awtHasFocus()) {
-            // System.out.println("getDefault: super");
-            return super.getDefaultComponent(container);
-        } else {
-            // System.out.println("getDefault: null");
-            return null;
-        }
-    }
-
-    public Component getCurrentComponent(Container container) {
-        assert container != null;
-        assert awtHandler != null;
-        assert EventQueue.isDispatchThread();    // On AWT event thread
-        
-        Component currentAwtComponent = awtHandler.getCurrentComponent();
-        if ((currentAwtComponent != null) && container.isAncestorOf(currentAwtComponent)){
-            return currentAwtComponent;
-        } else {
-            return getDefaultComponent(container);
-        }
-    }
-}
+/*******************************************************************************
+ * Copyright (c) 2007 SAS Institute.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     SAS Institute - initial API and implementation
+ *******************************************************************************/
+package org.simantics.utils.ui.internal.awt;
+
+import java.awt.Component;
+import java.awt.Container;
+import java.awt.EventQueue;
+
+import javax.swing.LayoutFocusTraversalPolicy;
+
+
+public class EmbeddedChildFocusTraversalPolicy extends LayoutFocusTraversalPolicy {
+
+    private static final long serialVersionUID = -7708166698501335927L;
+    private final AwtFocusHandler awtHandler;
+
+    public EmbeddedChildFocusTraversalPolicy(AwtFocusHandler handler) {
+         assert handler != null;
+         awtHandler = handler;
+    }
+
+    public Component getComponentAfter(Container container, Component component) {
+        assert container != null;
+        assert component != null;
+        assert awtHandler != null;
+        assert EventQueue.isDispatchThread();    // On AWT event thread
+        
+        if (component.equals(getLastComponent(container))) {
+            // Instead of cycling around to the first component, transfer to the next SWT component
+            awtHandler.transferFocusNext();
+            return null;
+        } else {
+            return super.getComponentAfter(container, component);
+        }
+    }
+
+    public Component getComponentBefore(Container container, Component component) {
+        assert container != null;
+        assert component != null;
+        assert awtHandler != null;
+        assert EventQueue.isDispatchThread();    // On AWT event thread
+        
+        if (component.equals(getFirstComponent(container))) {
+            // Instead of cycling around to the last component, transfer to the previous SWT component
+            awtHandler.transferFocusPrevious();
+            return null;
+        } else {
+            return super.getComponentBefore(container, component);
+        }
+    }
+    
+    public Component getDefaultComponent(Container container) {
+        assert container != null;
+        assert awtHandler != null;
+        assert EventQueue.isDispatchThread();    // On AWT event thread
+        
+        // This is a hack which depends on knowledge of current JDK implementation to 
+        // work. The implementation above of getComponentBefore/After
+        // properly returns null when transferring to SWT. However, the calling AWT container
+        // will then immediately try this method to find the next recipient of
+        // focus. But we don't want *any* AWT component to receive focus... it's just
+        // been transferred to SWT. So, this method must return null when AWT does 
+        // not own the focus. When AWT *does* own the focus, behave normally.  
+        if (awtHandler.awtHasFocus()) {
+            // System.out.println("getDefault: super");
+            return super.getDefaultComponent(container);
+        } else {
+            // System.out.println("getDefault: null");
+            return null;
+        }
+    }
+
+    public Component getCurrentComponent(Container container) {
+        assert container != null;
+        assert awtHandler != null;
+        assert EventQueue.isDispatchThread();    // On AWT event thread
+        
+        Component currentAwtComponent = awtHandler.getCurrentComponent();
+        if ((currentAwtComponent != null) && container.isAncestorOf(currentAwtComponent)){
+            return currentAwtComponent;
+        } else {
+            return getDefaultComponent(container);
+        }
+    }
+}