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Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/listener/awt/AWTTreeChangeListenerWrapper.java')
-rw-r--r--common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/listener/awt/AWTTreeChangeListenerWrapper.java161
1 files changed, 0 insertions, 161 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/listener/awt/AWTTreeChangeListenerWrapper.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/listener/awt/AWTTreeChangeListenerWrapper.java
deleted file mode 100644
index ea60469d1a..0000000000
--- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/listener/awt/AWTTreeChangeListenerWrapper.java
+++ /dev/null
@@ -1,161 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2010 Oracle. 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:
- * Oracle - initial API and implementation
- ******************************************************************************/
-package org.eclipse.jpt.common.utility.internal.model.listener.awt;
-
-import java.awt.EventQueue;
-
-import org.eclipse.jpt.common.utility.model.event.TreeAddEvent;
-import org.eclipse.jpt.common.utility.model.event.TreeChangeEvent;
-import org.eclipse.jpt.common.utility.model.event.TreeClearEvent;
-import org.eclipse.jpt.common.utility.model.event.TreeRemoveEvent;
-import org.eclipse.jpt.common.utility.model.listener.TreeChangeListener;
-
-/**
- * Wrap another tree change listener and forward events to it on the AWT
- * event queue, asynchronously if necessary. If the event arrived on the UI
- * thread that is probably because it was initiated by a UI widget; as a
- * result, we want to loop back synchronously so the events can be
- * short-circuited.
- */
-public final class AWTTreeChangeListenerWrapper
- implements TreeChangeListener
-{
- private final TreeChangeListener listener;
-
- public AWTTreeChangeListenerWrapper(TreeChangeListener listener) {
- super();
- if (listener == null) {
- throw new NullPointerException();
- }
- this.listener = listener;
- }
-
- public void nodeAdded(TreeAddEvent event) {
- if (this.isExecutingOnUIThread()) {
- this.nodeAdded_(event);
- } else {
- this.executeOnEventQueue(this.buildNodeAddedRunnable(event));
- }
- }
-
- public void nodeRemoved(TreeRemoveEvent event) {
- if (this.isExecutingOnUIThread()) {
- this.nodeRemoved_(event);
- } else {
- this.executeOnEventQueue(this.buildNodeRemovedRunnable(event));
- }
- }
-
- public void treeCleared(TreeClearEvent event) {
- if (this.isExecutingOnUIThread()) {
- this.treeCleared_(event);
- } else {
- this.executeOnEventQueue(this.buildTreeClearedRunnable(event));
- }
- }
-
- public void treeChanged(TreeChangeEvent event) {
- if (this.isExecutingOnUIThread()) {
- this.treeChanged_(event);
- } else {
- this.executeOnEventQueue(this.buildTreeChangedRunnable(event));
- }
- }
-
- private Runnable buildNodeAddedRunnable(final TreeAddEvent event) {
- return new Runnable() {
- public void run() {
- AWTTreeChangeListenerWrapper.this.nodeAdded_(event);
- }
- @Override
- public String toString() {
- return "node added runnable"; //$NON-NLS-1$
- }
- };
- }
-
- private Runnable buildNodeRemovedRunnable(final TreeRemoveEvent event) {
- return new Runnable() {
- public void run() {
- AWTTreeChangeListenerWrapper.this.nodeRemoved_(event);
- }
- @Override
- public String toString() {
- return "node removed runnable"; //$NON-NLS-1$
- }
- };
- }
-
- private Runnable buildTreeClearedRunnable(final TreeClearEvent event) {
- return new Runnable() {
- public void run() {
- AWTTreeChangeListenerWrapper.this.treeCleared_(event);
- }
- @Override
- public String toString() {
- return "tree cleared runnable"; //$NON-NLS-1$
- }
- };
- }
-
- private Runnable buildTreeChangedRunnable(final TreeChangeEvent event) {
- return new Runnable() {
- public void run() {
- AWTTreeChangeListenerWrapper.this.treeChanged_(event);
- }
- @Override
- public String toString() {
- return "tree changed runnable"; //$NON-NLS-1$
- }
- };
- }
-
- private boolean isExecutingOnUIThread() {
- return EventQueue.isDispatchThread();
- }
-
- /**
- * {@link EventQueue#invokeLater(Runnable)} seems to work OK;
- * but using {@link EventQueue#invokeAndWait(Runnable)} can sometimes make
- * things more predictable when debugging, at the risk of deadlocks.
- */
- private void executeOnEventQueue(Runnable r) {
- EventQueue.invokeLater(r);
-// try {
-// EventQueue.invokeAndWait(r);
-// } catch (InterruptedException ex) {
-// throw new RuntimeException(ex);
-// } catch (java.lang.reflect.InvocationTargetException ex) {
-// throw new RuntimeException(ex);
-// }
- }
-
- void nodeAdded_(TreeAddEvent event) {
- this.listener.nodeAdded(event);
- }
-
- void nodeRemoved_(TreeRemoveEvent event) {
- this.listener.nodeRemoved(event);
- }
-
- void treeCleared_(TreeClearEvent event) {
- this.listener.treeCleared(event);
- }
-
- void treeChanged_(TreeChangeEvent event) {
- this.listener.treeChanged(event);
- }
-
- @Override
- public String toString() {
- return "AWT(" + this.listener.toString() + ')'; //$NON-NLS-1$
- }
-
-}

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