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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.ui.synchronize;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.compare.*;
import org.eclipse.compare.structuremergeviewer.DiffNode;
import org.eclipse.compare.structuremergeviewer.IDiffContainer;
import org.eclipse.core.resources.*;
import org.eclipse.core.runtime.*;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.synchronize.SyncInfo;
import org.eclipse.team.internal.core.Assert;
import org.eclipse.team.internal.ui.*;
import org.eclipse.team.internal.ui.synchronize.LocalResourceTypedElement;
import org.eclipse.team.internal.ui.synchronize.SyncInfoModelElement;
import org.eclipse.team.ui.ISharedImages;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IReusableEditor;
import org.eclipse.ui.progress.UIJob;
/**
* A {@link SyncInfo} editor input used as input to a two-way or three-way
* compare viewer. It defines methods for accessing the three sides for the
* compare, and a name and image which is used when displaying the three way input
* in an editor. This input can alternatly be used to show compare results in
* a dialog by calling {@link CompareUI#openCompareDialog()}.
* <p>
* Supports saving the local resource that is changed in the editor.
* </p>
* <p>
* Use {@link SynchronizeCompareInput} to display more than one <code>SyncInfo</code>
* in an compare viewer.
* </p>
* @see SyncInfoModelElement
* @since 3.0
*/
public final class SyncInfoCompareInput extends CompareEditorInput implements IResourceChangeListener {
private MyDiffNode node;
private String description;
private IResource resource;
private IEditorPart editor;
private Image inputImage;
private static class MyDiffNode extends SyncInfoModelElement {
public MyDiffNode(IDiffContainer parent, SyncInfo info) {
super(parent, info);
}
public void fireChange() {
super.fireChange();
}
}
/**
* Creates a compare editor input based on an existing <code>SyncInfo</code>.
*
* @param description a description of the context of this sync info. This
* is displayed to the user.
* @param sync the <code>SyncInfo</code> used as the base for the compare input.
*/
public SyncInfoCompareInput(String description, SyncInfo sync) {
super(getDefaultCompareConfiguration());
Assert.isNotNull(sync);
Assert.isNotNull(description);
this.description = description;
this.resource = sync.getLocal();
this.node = new MyDiffNode(null, sync);
initializeContentChangeListeners();
}
private static CompareConfiguration getDefaultCompareConfiguration() {
CompareConfiguration cc = new CompareConfiguration();
//cc.setProperty(CompareConfiguration.USE_OUTLINE_VIEW, true);
return cc;
}
private void initializeContentChangeListeners() {
ITypedElement te = node.getLeft();
if (te instanceof IContentChangeNotifier) {
((IContentChangeNotifier) te).addContentChangeListener(new IContentChangeListener() {
public void contentChanged(IContentChangeNotifier source) {
try {
saveChanges(new NullProgressMonitor());
} catch (CoreException e) {
}
}
});
}
}
/**
* Note that until the compare editor inputs can be part of the compare editors lifecycle we
* can't register as a listener because there is no dispose() method to remove the listener.
*/
public void resourceChanged(IResourceChangeEvent event) {
IResourceDelta delta = event.getDelta();
if (delta != null) {
IResourceDelta resourceDelta = delta.findMember(resource.getFullPath());
if (resourceDelta != null) {
if (editor != null && editor instanceof IReusableEditor) {
UIJob job = new UIJob("") { //$NON-NLS-1$
public IStatus runInUIThread(IProgressMonitor monitor) {
node.update(node.getSyncInfo());
return Status.OK_STATUS;
}
};
job.setSystem(true);
job.schedule();
}
}
}
}
/*
* (non-Javadoc)
* @see org.eclipse.compare.CompareEditorInput#getTitleImage()
*/
public Image getTitleImage() {
ImageRegistry reg = TeamUIPlugin.getPlugin().getImageRegistry();
Image image = reg.get(ISharedImages.IMG_SYNC_VIEW);
if (image == null) {
image = getImageDescriptor().createImage();
reg.put(ISharedImages.IMG_SYNC_VIEW, image);
}
return image;
}
/*
* (non-Javadoc)
* @see org.eclipse.compare.CompareEditorInput#prepareInput(org.eclipse.core.runtime.IProgressMonitor)
*/
protected Object prepareInput(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
// update the title now that the remote revision number as been fetched
// from the server
setTitle(getTitle());
Utils.updateLabels(node.getSyncInfo(), getCompareConfiguration());
try {
node.cacheContents(monitor);
} catch (TeamException e) {
throw new InvocationTargetException(e);
}
return node;
}
/*
* (non-Javadoc)
* @see org.eclipse.compare.CompareEditorInput#getTitle()
*/
public String getTitle() {
return Policy.bind("SyncInfoCompareInput.title", node.getName()); //$NON-NLS-1$
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.IEditorInput#getImageDescriptor()
*/
public ImageDescriptor getImageDescriptor() {
return TeamUIPlugin.getImageDescriptor(ISharedImages.IMG_SYNC_VIEW);
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.IEditorInput#getToolTipText()
*/
public String getToolTipText() {
return Policy.bind("SyncInfoCompareInput.tooltip", description, node.getResource().getFullPath().toString()); //$NON-NLS-1$
}
/*
* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
public boolean equals(Object other) {
if (other == this)
return true;
if (other instanceof SyncInfoCompareInput) {
return getSyncInfo().equals(((SyncInfoCompareInput) other).getSyncInfo());
}
return false;
}
/*
* (non-Javadoc)
* @see CompareEditorInput#saveChanges(org.eclipse.core.runtime.IProgressMonitor)
*/
public void saveChanges(IProgressMonitor pm) throws CoreException {
super.saveChanges(pm);
if (node != null) {
try {
commit(pm, node);
} finally {
node.fireChange();
setDirty(false);
}
}
}
private static void commit(IProgressMonitor pm, DiffNode node) throws CoreException {
ITypedElement left = node.getLeft();
if (left instanceof LocalResourceTypedElement)
((LocalResourceTypedElement) left).commit(pm);
ITypedElement right = node.getRight();
if (right instanceof LocalResourceTypedElement)
((LocalResourceTypedElement) right).commit(pm);
}
public SyncInfo getSyncInfo() {
return node.getSyncInfo();
}
}
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