Attachment 58151 Details for Bug 168888 – proposed patch to replace fix for bug 16179

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proposed patch to replace fix for bug 16179

16179-168888.txt (text/plain), 24.18 KB, created by Karice McIntyre

on 2007-02-02 15:49:54 EST

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Creator: Karice McIntyre

Created: 2007-02-02 15:49:54 EST

Size: 24.18 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.jface
>Index: src/org/eclipse/jface/dialogs/IPageTransitionProvider.java
>===================================================================
>RCS file: src/org/eclipse/jface/dialogs/IPageTransitionProvider.java
>diff -N src/org/eclipse/jface/dialogs/IPageTransitionProvider.java
>--- src/org/eclipse/jface/dialogs/IPageTransitionProvider.java	4 Oct 2006 14:32:18 -0000	1.1
>+++ /dev/null	1 Jan 1970 00:00:00 -0000
>@@ -1,55 +0,0 @@
>-/*******************************************************************************
>- * Copyright (c) 2006 IBM Corporation and others.
>- * 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:
>- * Chris Gross (schtoo@schtoo.com) - initial API and implementation
>- *******************************************************************************/
>-package org.eclipse.jface.dialogs;
>-
>-/**
>- * 
>- * EXPERIMENTAL. This class or interface has been added as
>- * part of a work in progress. There is a guarantee neither that this API will
>- * work nor that it will remain the same. Please do not use this API without
>- * consulting with the Platform/UI team.
>- * 
>- * 
>- * Minimal interface to a page changing provider. Used for dialogs that
>- * transition between pages.
>- * 
>- * @since 3.3
>- */
>-public interface IPageTransitionProvider {
>-	/**
>-	 * Returns the currently selected page in the dialog.
>-	 * 
>-	 * @return the selected page in the dialog or <code>null</code> if none is
>-	 * selected. The type may be domain specific. In the dialogs
>-	 * provided by JFace, this will be an instance of
>-	 * <code>IDialogPage</code>.
>-	 */
>-	Object getSelectedPage();
>-	
>-	/**
>-	 * Adds a listener for page changes in this page changing provider. Has no
>-	 * effect if an identical listener is already registered.
>-	 * 
>-	 * @param listener
>-	 * a page transition listener
>-	 */
>-	void addPageTransitionListener(IPageTransitionListener listener);
>-
>-	/**
>-	 * Removes the given page changing listener from this page changing provider.
>-	 * Has no effect if an identical listener is not registered.
>-	 * 
>-	 * @param listener
>-	 * a page transition listener
>-	 */
>-	void removePageTransitionListener(IPageTransitionListener listener);
>-
>-}
>Index: src/org/eclipse/jface/dialogs/PageTransitionEvent.java
>===================================================================
>RCS file: src/org/eclipse/jface/dialogs/PageTransitionEvent.java
>diff -N src/org/eclipse/jface/dialogs/PageTransitionEvent.java
>--- src/org/eclipse/jface/dialogs/PageTransitionEvent.java	4 Oct 2006 14:32:18 -0000	1.1
>+++ /dev/null	1 Jan 1970 00:00:00 -0000
>@@ -1,110 +0,0 @@
>-/*******************************************************************************
>- * Copyright (c) 2006 IBM Corporation and others.
>- * 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:
>- * Chris Gross (schtoo@schtoo.com) - initial API and implementation
>- *******************************************************************************/
>-package org.eclipse.jface.dialogs;
>-
>-import java.util.EventObject;
>-
>-import org.eclipse.core.runtime.Assert;
>-
>-/**
>- * 
>- * EXPERIMENTAL. This class or interface has been added as
>- * part of a work in progress. There is a guarantee neither that this API will
>- * work nor that it will remain the same. Please do not use this API without
>- * consulting with the Platform/UI team.
>- * 
>- * 
>- * Event object describing a dialog page being changed. The source of these
>- * events is a page changing provider.
>- * 
>- * @see IPageTransitionProvider
>- * @see IPageTransitionListener
>- * @since 3.3
>- */
>-public class PageTransitionEvent extends EventObject {
>-
>-
>-	private static final long serialVersionUID = 1L;
>-	
>-	/**
>-	 * The selected page.
>-	 */
>-	protected Object selectedPage;
>-	
>-	/**
>-	 * The type of action that caused the page change event to be fired. 
>-	 */
>-	protected int type;
>-	
>-	/**
>-	 * Constant describing a backward page navigation
>-	 */
>-	public static final int EVENT_BACK = 1;
>-	/**
>-	 * Constant describing a forward page navigation
>-	 */
>-	public static final int EVENT_NEXT = 2;
>-	
>-	/**
>-	 * Public field that determines if page change will continue.
>-	 */
>-	public boolean doit = true;
>-	
>-	/**
>-	 * Creates a new event for the given source,selected page and direction.
>-	 * 
>-	 * @param source
>-	 * the page changing provider
>-	 * @param selectedPage
>-	 * the selected page. In the JFace provided dialogs this will be
>-	 * an <code>IDialogPage</code>.
>-	 * @param eventType
>-	 * indicates the action that triggered the page change
>-	 */
>-	public PageTransitionEvent(IPageTransitionProvider source, Object selectedPage,
>-			int eventType) {
>-		super(source);
>-		Assert.isNotNull(selectedPage);
>-		Assert.isTrue(eventType == EVENT_BACK || eventType == EVENT_NEXT);
>-		this.type = eventType;
>-		this.selectedPage = selectedPage;
>-	}
>-
>-	/**
>-	 * Returns the selected page.
>-	 * 
>-	 * @return the selected page. In dialogs implemented by JFace, 
>-	 * 		this will be an <code>IDialogPage</code>.
>-	 */
>-	public Object getSelectedPage() {
>-		return selectedPage;
>-	}
>-
>-	/**
>-	 * Returns the page change provider that is the source of this event.
>-	 * 
>-	 * @return the originating page change provider
>-	 */
>-	public IPageTransitionProvider getPageTransitionProvider() {
>-		return (IPageTransitionProvider) getSource();
>-	}
>-
>-	/**
>-	 * Returns a integer constant indicating the action that triggered the 
>-	 * change request.
>-	 * 
>-	 * @return constant indicating the action that triggered the page change
>-	 */
>-	public int getType() {
>-		return type;
>-	}
>-	
>-}
>Index: src/org/eclipse/jface/dialogs/IPageTransitionListener.java
>===================================================================
>RCS file: src/org/eclipse/jface/dialogs/IPageTransitionListener.java
>diff -N src/org/eclipse/jface/dialogs/IPageTransitionListener.java
>--- src/org/eclipse/jface/dialogs/IPageTransitionListener.java	4 Oct 2006 14:32:18 -0000	1.1
>+++ /dev/null	1 Jan 1970 00:00:00 -0000
>@@ -1,39 +0,0 @@
>-/*******************************************************************************
>- * Copyright (c) 2006 IBM Corporation and others.
>- * 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:
>- * Chris Gross (schtoo@schtoo.com) - initial API and implementation
>- *******************************************************************************/
>-package org.eclipse.jface.dialogs;
>-
>-/**
>- * 
>- * EXPERIMENTAL. This class or interface has been added as
>- * part of a work in progress. There is a guarantee neither that this API will
>- * work nor that it will remain the same. Please do not use this API without
>- * consulting with the Platform/UI team.
>- * 
>- * 
>- * A listener which is notified when the current page of the multi-page dialog
>- * is changing.
>- * 
>- * @see IPageTransitionProvider
>- * @see PageTransitionEvent
>- * @since 3.3
>- */
>-public interface IPageTransitionListener {
>-	
>-	/**
>-	 * Notifies that the selected page is changing. The doit field of the
>-	 * PageTransitionEvent can be set to false to prevent the page from changing.
>-	 * 
>-	 * @param event
>-	 * event object describing the change
>-	 */
>-	public void pageTransition(PageTransitionEvent event);
>-
>-}
>Index: src/org/eclipse/jface/wizard/WizardDialog.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jface/src/org/eclipse/jface/wizard/WizardDialog.java,v
>retrieving revision 1.57
>diff -u -r1.57 WizardDialog.java
>--- src/org/eclipse/jface/wizard/WizardDialog.java	4 Oct 2006 14:32:18 -0000	1.57
>+++ src/org/eclipse/jface/wizard/WizardDialog.java	2 Feb 2007 20:40:10 -0000
>@@ -16,6 +16,7 @@
> import java.util.HashMap;
> import java.util.Map;
> 
>+import org.eclipse.core.runtime.Assert;
> import org.eclipse.core.runtime.IProgressMonitor;
> import org.eclipse.core.runtime.IStatus;
> import org.eclipse.core.runtime.ListenerList;
>@@ -24,16 +25,14 @@
> import org.eclipse.jface.dialogs.IMessageProvider;
> import org.eclipse.jface.dialogs.IPageChangeProvider;
> import org.eclipse.jface.dialogs.IPageChangedListener;
>-import org.eclipse.jface.dialogs.IPageTransitionListener;
>-import org.eclipse.jface.dialogs.IPageTransitionProvider;
>+import org.eclipse.jface.dialogs.IPageChangingListener;
> import org.eclipse.jface.dialogs.MessageDialog;
> import org.eclipse.jface.dialogs.PageChangedEvent;
>-import org.eclipse.jface.dialogs.PageTransitionEvent;
>+import org.eclipse.jface.dialogs.PageChangingEvent;
> import org.eclipse.jface.dialogs.TitleAreaDialog;
> import org.eclipse.jface.operation.IRunnableWithProgress;
> import org.eclipse.jface.operation.ModalContext;
> import org.eclipse.jface.resource.JFaceResources;
>-import org.eclipse.core.runtime.Assert;
> import org.eclipse.jface.util.SafeRunnable;
> import org.eclipse.swt.SWT;
> import org.eclipse.swt.custom.BusyIndicator;
>@@ -75,7 +74,7 @@
> * 
> */
> public class WizardDialog extends TitleAreaDialog implements IWizardContainer2,
>-		IPageChangeProvider, IPageTransitionProvider {
>+		IPageChangeProvider {
> /**
> * Image registry key for error message image (value <code>"dialog_title_error_image"</code>).
> */
>@@ -142,7 +141,7 @@
> 	
> private ListenerList pageChangedListeners = new ListenerList();
> 
>- private ListenerList pageTransitionListeners = new ListenerList();
>+ private ListenerList pageChangingListeners = new ListenerList();
> 
> /**
> * A layout for a container which includes several pages, like
>@@ -336,10 +335,6 @@
> return;
> 		}
> 
>- // If page transition unsuccessful, do not change the page
>- if (!doPageTransition(PageTransitionEvent.EVENT_BACK))
>- 	return;
>- 
> // set flag to indicate that we are moving back
> isMovingToPreviousPage = true;
> // show the page
>@@ -769,10 +764,6 @@
> return;
> }
> 
>- // If page transition unsuccessful, do not advance the page
>- if (!doPageTransition(PageTransitionEvent.EVENT_NEXT))
>- 	return;
>- 
> // show the next page
> showPage(page);
> }
>@@ -785,10 +776,9 @@
> 	 * @return <code>true</code> if page transition listener completes
> 	 * successfully, <code>false</code> otherwise
> 	 */
>- private boolean doPageTransition(int eventType){
>- 	PageTransitionEvent e = new PageTransitionEvent(this, getCurrentPage(),
>-				eventType);
>-		firePageTransitioning(e);
>+ private boolean doPageTransition(IWizardPage targetPage){
>+ 	PageChangingEvent e = new PageChangingEvent(this, getCurrentPage(), targetPage);
>+		firePageChanging(e);
> 		// Prevent navigation if necessary
> 		if (e.doit == false){
> 			return false;
>@@ -1057,6 +1047,11 @@
> 		} else {
> 			isMovingToPreviousPage = false;
> 		}
>+
>+ // If page transition unsuccessful, do not advance the page
>+ if (!doPageTransition(page))
>+ 	return;
>+ 
> //Update for the new page ina busy cursor if possible
> if (getContents() == null) {
> 			updateForPage(page);
>@@ -1400,34 +1395,26 @@
> }
> }
> 
>-	/* 
>-	 * 
>-	 * EXPERIMENTAL. This class or interface has been added as
>-	 * part of a work in progress. There is a guarantee neither that this API will
>-	 * work nor that it will remain the same. Please do not use this API without
>-	 * consulting with the Platform/UI team.
>-	 * 
>+	/**
>+	 * Adds a listener for page changes in this page changing provider. Has no
>+	 * effect if an identical listener is already registered.
> 	 * 
>-	 * (non-Javadoc)
>-	 * @see org.eclipse.jface.dialogs.IPageChangingProvider#addPageChangingListener(org.eclipse.jface.dialogs.IPageTransitionListener)
>+	 * @param listener
>+	 * a page transition listener
> 	 */
>-	public void addPageTransitionListener(IPageTransitionListener listener) {
>-		pageTransitionListeners.add(listener);		
>+	public void addPageChangingListener(IPageChangingListener listener) {
>+		pageChangingListeners.add(listener);		
> 	}
> 
>-	/* 
>-	 * 
>-	 * EXPERIMENTAL. This class or interface has been added as
>-	 * part of a work in progress. There is a guarantee neither that this API will
>-	 * work nor that it will remain the same. Please do not use this API without
>-	 * consulting with the Platform/UI team.
>-	 * 
>+	/**
>+	 * Removes the given page changing listener from this page changing provider.
>+	 * Has no effect if an identical listener is not registered.
> 	 * 
>-	 * (non-Javadoc)
>-	 * @see org.eclipse.jface.dialogs.IPageChangingProvider#removePageChangingdListener(org.eclipse.jface.dialogs.IPageTransitionListener)
>+	 * @param listener
>+	 * a page transition listener
> 	 */
>-	public void removePageTransitionListener(IPageTransitionListener listener) {
>-		pageTransitionListeners.remove(listener);		
>+	public void removePageChangingListener(IPageChangingListener listener) {
>+		pageChangingListeners.remove(listener);		
> 	}
> 	
> 	/**
>@@ -1444,15 +1431,15 @@
> *
> * @param event a selection changing event
> *
>- * @see IPageTransitionListener#pageTransition(PageTransitionEvent)
>+ * @see IPageChangingListener#handlePageChanging(PageChangingEvent)
> */
>- protected void firePageTransitioning(final PageTransitionEvent event) {
>- Object[] listeners = pageTransitionListeners.getListeners();
>+ protected void firePageChanging(final PageChangingEvent event) {
>+ Object[] listeners = pageChangingListeners.getListeners();
> for (int i = 0; i < listeners.length; ++i) {
>- final IPageTransitionListener l = (IPageTransitionListener) listeners[i];
>+ final IPageChangingListener l = (IPageChangingListener) listeners[i];
> SafeRunnable.run(new SafeRunnable() {
> public void run() {
>- l.pageTransition(event);
>+ l.handlePageChanging(event);
> }
> });
> }
>Index: src/org/eclipse/jface/wizard/Wizard.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jface/src/org/eclipse/jface/wizard/Wizard.java,v
>retrieving revision 1.15
>diff -u -r1.15 Wizard.java
>--- src/org/eclipse/jface/wizard/Wizard.java	22 Nov 2006 15:43:23 -0000	1.15
>+++ src/org/eclipse/jface/wizard/Wizard.java	2 Feb 2007 20:40:10 -0000
>@@ -15,9 +15,6 @@
> 
> import org.eclipse.core.runtime.Assert;
> import org.eclipse.jface.dialogs.IDialogSettings;
>-import org.eclipse.jface.dialogs.IPageTransitionListener;
>-import org.eclipse.jface.dialogs.IPageTransitionProvider;
>-import org.eclipse.jface.dialogs.PageTransitionEvent;
> import org.eclipse.jface.resource.ImageDescriptor;
> import org.eclipse.jface.resource.JFaceResources;
> import org.eclipse.swt.graphics.Image;
>@@ -57,7 +54,7 @@
> * <code>IWizardPage</code>.
> * 
> */
>-public abstract class Wizard implements IWizard, IPageTransitionListener {
>+public abstract class Wizard implements IWizard {
> /**
> * Image registry key of the default image for wizard pages (value
> * <code>"org.eclipse.jface.wizard.Wizard.pageImage"</code>).
>@@ -136,92 +133,6 @@
> page.setWizard(this);
> }
> 
>- /* (non-Javadoc)
>-	 * @see org.eclipse.jface.dialogs.IPageTransitionListener#pageTransition(org.eclipse.jface.dialogs.PageTransitionEvent)
>-	 */
>-	public void pageTransition(PageTransitionEvent event) {
>-		int eventType = event.getType();
>-		if (eventType == PageTransitionEvent.EVENT_NEXT) {
>-			event.doit = doNextPressed();
>-		}
>-		else if (eventType == PageTransitionEvent.EVENT_BACK){
>-			event.doit = doBackPressed();
>-		}
>-	}
>-
>-	/**
>-	 * Add the listener that gets notified when a page is transitioning.
>-	 */
>- private void hookPageTransitionProvider(){
>-		IPageTransitionProvider provider = getPageTransitionProvider();
>-		if (provider != null)
>-			provider.addPageTransitionListener(this);
>- }
>- 
>- /**
>- * Remove the listener that gets notified when a page is transitioning.
>- */
>- private void unhookPageTransitionListener(){
>-		IPageTransitionProvider provider = getPageTransitionProvider();
>-		if (provider != null)
>-			provider.removePageTransitionListener(this); 	
>- }
>-
>- /**
>- * Return the wizard container that facilitates the page transition events.
>- * 
>- * @return IPageTransitionProvider the page transition provider
>- */
>- private IPageTransitionProvider getPageTransitionProvider(){
>- 	IWizardContainer container = getContainer();
>- 		if (container instanceof IPageTransitionProvider){
>- 		return (IPageTransitionProvider)container;
>- 	}
>- 	return null;
>- }
>-	
>-	/**
>-	 * 
>-	 * EXPERIMENTAL. This class or interface has been added as
>-	 * part of a work in progress. There is a guarantee neither that this API will
>-	 * work nor that it will remain the same. Please do not use this API without
>-	 * consulting with the Platform/UI team.
>-	 * 
>-	 * 
>-	 * This method is called when the next button of the wizard container is
>-	 * pressed. This method should be overridden when validation of a wizard
>-	 * page should be done upon page completion, rather than at the widget
>-	 * level.
>-	 * 
>-	 * @return <code>true</code> if the next page should be shown,
>-	 * <code>false</code> otherwise
>-	 * @since 3.3
>-	 */
>-	protected boolean doNextPressed(){
>-		return true;
>-	}
>-
>-	/**
>-	 * 
>-	 * EXPERIMENTAL. This class or interface has been added as
>-	 * part of a work in progress. There is a guarantee neither that this API will
>-	 * work nor that it will remain the same. Please do not use this API without
>-	 * consulting with the Platform/UI team.
>-	 * 
>-	 * 
>-	 * This method is called when the back button of the wizard container is
>-	 * pressed. This method should be overridden when validation of a wizard
>-	 * page should be done upon page completion, rather than at the widget
>-	 * level.
>-	 * 
>-	 * @return <code>true</code> if the previous page should be shown,
>-	 * <code>false</code> otherwise
>-	 * @since 3.3
>-	 */
>-	protected boolean doBackPressed(){
>-		return true;
>-	}
>-	
> 	/**
> * The <code>Wizard</code> implementation of this <code>IWizard</code>
> * method does nothing. Subclasses should extend if extra pages need to be
>@@ -272,7 +183,6 @@
> * disposed.
> */
> public void dispose() {
>- 	unhookPageTransitionListener();
> // notify pages
> for (int i = 0; i < pages.size(); i++) {
> ((IWizardPage) pages.get(i)).dispose();
>@@ -442,7 +352,6 @@
> */
> public void setContainer(IWizardContainer wizardContainer) {
> container = wizardContainer;
>- hookPageTransitionProvider();
> }
> 
> /**
>Index: src/org/eclipse/jface/dialogs/PageChangingEvent.java
>===================================================================
>RCS file: src/org/eclipse/jface/dialogs/PageChangingEvent.java
>diff -N src/org/eclipse/jface/dialogs/PageChangingEvent.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jface/dialogs/PageChangingEvent.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,83 @@
>+/*******************************************************************************
>+ * Copyright (c) 2006 IBM Corporation and others.
>+ * 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:
>+ * Chris Gross (schtoo@schtoo.com) - initial API and implementation
>+ *******************************************************************************/
>+package org.eclipse.jface.dialogs;
>+
>+import java.util.EventObject;
>+
>+import org.eclipse.core.runtime.Assert;
>+
>+/**
>+ * 
>+ * EXPERIMENTAL. This class or interface has been added as
>+ * part of a work in progress. There is a guarantee neither that this API will
>+ * work nor that it will remain the same. Please do not use this API without
>+ * consulting with the Platform/UI team.
>+ * 
>+ * 
>+ * Event object describing a dialog page being changed.
>+ * 
>+ * @since 3.3
>+ */
>+public class PageChangingEvent extends EventObject {
>+
>+
>+	private static final long serialVersionUID = 1L;
>+	
>+	private Object currentPage;
>+	
>+	private Object targetPage;
>+	
>+	/**
>+	 * Public field that determines if page change will continue.
>+	 */
>+	public boolean doit = true;
>+
>+	/**
>+	 * Creates a new event for the given source,selected page and direction.
>+	 * 
>+	 * @param source
>+	 * the page changing provider
>+	 * @param currentPage
>+	 * the current page. In the JFace provided dialogs this will be
>+	 * an <code>IDialogPage</code>.
>+	 * @param targetPage
>+	 * the target page. In the JFace provided dialogs this will be
>+	 * an <code>IDialogPage</code>.
>+	 */
>+	public PageChangingEvent(Object source, Object currentPage, Object targetPage) {
>+		super(source);
>+		Assert.isNotNull(currentPage);
>+		Assert.isNotNull(targetPage);
>+		this.currentPage = currentPage;
>+		this.targetPage = targetPage;
>+	}
>+
>+	/**
>+	 * Returns the current page.
>+	 * 
>+	 * @return the current page. In dialogs implemented by JFace, 
>+	 * 		this will be an <code>IDialogPage</code>.
>+	 */
>+	public Object getCurrentPage() {
>+		return currentPage;
>+	}
>+
>+	/**
>+	 * Returns the target page.
>+	 * 
>+	 * @return the target page. In dialogs implemented by JFace, 
>+	 * 		this will be an <code>IDialogPage</code>.
>+	 */
>+	public Object getTargetPage() {
>+		return targetPage;
>+	}
>+
>+}
>Index: src/org/eclipse/jface/dialogs/IPageChangingListener.java
>===================================================================
>RCS file: src/org/eclipse/jface/dialogs/IPageChangingListener.java
>diff -N src/org/eclipse/jface/dialogs/IPageChangingListener.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jface/dialogs/IPageChangingListener.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,38 @@
>+/*******************************************************************************
>+ * Copyright (c) 2006 IBM Corporation and others.
>+ * 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:
>+ * Chris Gross (schtoo@schtoo.com) - initial API and implementation
>+ *******************************************************************************/
>+package org.eclipse.jface.dialogs;
>+
>+/**
>+ * 
>+ * EXPERIMENTAL. This class or interface has been added as
>+ * part of a work in progress. There is a guarantee neither that this API will
>+ * work nor that it will remain the same. Please do not use this API without
>+ * consulting with the Platform/UI team.
>+ * 
>+ * 
>+ * A listener which is notified when the current page of the multi-page dialog
>+ * is changing.
>+ * 
>+ * @see PageChangingEvent
>+ * @since 3.3
>+ */
>+public interface IPageChangingListener {
>+	
>+	/**
>+	 * Notifies that the current page is changing. The doit field of the
>+	 * PageChangingEvent can be set to false to prevent the page from changing.
>+	 * 
>+	 * @param event
>+	 * event object describing the change
>+	 */
>+	public void handlePageChanging(PageChangingEvent event);
>+
>+}

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Attachments on bug 168888: 58151 | 58152 | 60561 | 60627 | 60628 | 60962