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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/listeners/SWTListChangeListenerWrapper.java')
-rw-r--r--jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/listeners/SWTListChangeListenerWrapper.java204
1 files changed, 0 insertions, 204 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/listeners/SWTListChangeListenerWrapper.java b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/listeners/SWTListChangeListenerWrapper.java
deleted file mode 100644
index c70b1d2977..0000000000
--- a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/listeners/SWTListChangeListenerWrapper.java
+++ /dev/null
@@ -1,204 +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.ui.internal.listeners;
-
-import org.eclipse.jpt.utility.model.event.ListAddEvent;
-import org.eclipse.jpt.utility.model.event.ListChangeEvent;
-import org.eclipse.jpt.utility.model.event.ListClearEvent;
-import org.eclipse.jpt.utility.model.event.ListMoveEvent;
-import org.eclipse.jpt.utility.model.event.ListRemoveEvent;
-import org.eclipse.jpt.utility.model.event.ListReplaceEvent;
-import org.eclipse.jpt.utility.model.listener.ListChangeListener;
-import org.eclipse.swt.widgets.Display;
-
-/**
- * Wrap another list change listener and forward events to it on the SWT
- * UI thread, 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 class SWTListChangeListenerWrapper
- implements ListChangeListener
-{
- private final ListChangeListener listener;
-
- public SWTListChangeListenerWrapper(ListChangeListener listener) {
- super();
- if (listener == null) {
- throw new NullPointerException();
- }
- this.listener = listener;
- }
-
- public void itemsAdded(ListAddEvent event) {
- if (this.isExecutingOnUIThread()) {
- this.itemsAdded_(event);
- } else {
- this.executeOnUIThread(this.buildItemsAddedRunnable(event));
- }
- }
-
- public void itemsRemoved(ListRemoveEvent event) {
- if (this.isExecutingOnUIThread()) {
- this.itemsRemoved_(event);
- } else {
- this.executeOnUIThread(this.buildItemsRemovedRunnable(event));
- }
- }
-
- public void itemsMoved(ListMoveEvent event) {
- if (this.isExecutingOnUIThread()) {
- this.itemsMoved_(event);
- } else {
- this.executeOnUIThread(this.buildItemsMovedRunnable(event));
- }
- }
-
- public void itemsReplaced(ListReplaceEvent event) {
- if (this.isExecutingOnUIThread()) {
- this.itemsReplaced_(event);
- } else {
- this.executeOnUIThread(this.buildItemsReplacedRunnable(event));
- }
- }
-
- public void listCleared(ListClearEvent event) {
- if (this.isExecutingOnUIThread()) {
- this.listCleared_(event);
- } else {
- this.executeOnUIThread(this.buildListClearedRunnable(event));
- }
- }
-
- public void listChanged(ListChangeEvent event) {
- if (this.isExecutingOnUIThread()) {
- this.listChanged_(event);
- } else {
- this.executeOnUIThread(this.buildListChangedRunnable(event));
- }
- }
-
- private Runnable buildItemsAddedRunnable(final ListAddEvent event) {
- return new Runnable() {
- public void run() {
- SWTListChangeListenerWrapper.this.itemsAdded_(event);
- }
- @Override
- public String toString() {
- return "items added"; //$NON-NLS-1$
- }
- };
- }
-
- private Runnable buildItemsRemovedRunnable(final ListRemoveEvent event) {
- return new Runnable() {
- public void run() {
- SWTListChangeListenerWrapper.this.itemsRemoved_(event);
- }
- @Override
- public String toString() {
- return "items removed"; //$NON-NLS-1$
- }
- };
- }
-
- private Runnable buildItemsMovedRunnable(final ListMoveEvent event) {
- return new Runnable() {
- public void run() {
- SWTListChangeListenerWrapper.this.itemsMoved_(event);
- }
- @Override
- public String toString() {
- return "items moved"; //$NON-NLS-1$
- }
- };
- }
-
- private Runnable buildItemsReplacedRunnable(final ListReplaceEvent event) {
- return new Runnable() {
- public void run() {
- SWTListChangeListenerWrapper.this.itemsReplaced_(event);
- }
- @Override
- public String toString() {
- return "items replaced"; //$NON-NLS-1$
- }
- };
- }
-
- private Runnable buildListClearedRunnable(final ListClearEvent event) {
- return new Runnable() {
- public void run() {
- SWTListChangeListenerWrapper.this.listCleared_(event);
- }
- @Override
- public String toString() {
- return "list cleared"; //$NON-NLS-1$
- }
- };
- }
-
- private Runnable buildListChangedRunnable(final ListChangeEvent event) {
- return new Runnable() {
- public void run() {
- SWTListChangeListenerWrapper.this.listChanged_(event);
- }
- @Override
- public String toString() {
- return "list changed"; //$NON-NLS-1$
- }
- };
- }
-
- private boolean isExecutingOnUIThread() {
- return Display.getCurrent() != null;
- }
-
- /**
- * {@link Display#asyncExec(Runnable)} seems to work OK;
- * but using {@link Display#syncExec(Runnable)} can somtimes make things
- * more predictable when debugging, at the risk of deadlocks.
- */
- private void executeOnUIThread(Runnable r) {
- Display.getDefault().asyncExec(r);
-// Display.getDefault().syncExec(r);
- }
-
- void itemsAdded_(ListAddEvent event) {
- this.listener.itemsAdded(event);
- }
-
- void itemsRemoved_(ListRemoveEvent event) {
- this.listener.itemsRemoved(event);
- }
-
- void itemsMoved_(ListMoveEvent event) {
- this.listener.itemsMoved(event);
- }
-
- void itemsReplaced_(ListReplaceEvent event) {
- this.listener.itemsReplaced(event);
- }
-
- void listCleared_(ListClearEvent event) {
- this.listener.listCleared(event);
- }
-
- void listChanged_(ListChangeEvent event) {
- this.listener.listChanged(event);
- }
-
- @Override
- public String toString() {
- return "SWT(" + this.listener.toString() + ')'; //$NON-NLS-1$
- }
-
-}

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