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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.views;
import java.util.*;
import org.eclipse.compare.CompareConfiguration;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.QualifiedName;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.*;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.LabelProviderChangedEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.Display;
import org.eclipse.team.core.subscribers.*;
import org.eclipse.team.internal.ui.*;
import org.eclipse.team.internal.ui.synchronize.views.TreeViewerUtils;
import org.eclipse.team.ui.ISharedImages;
import org.eclipse.team.ui.synchronize.SyncInfoDiffNode;
import org.eclipse.ui.internal.WorkbenchColors;
import org.eclipse.ui.model.WorkbenchLabelProvider;
/**
* @since 3.0
*/
public class SyncInfoLabelProvider extends LabelProvider implements IColorProvider {
private boolean working = false;
// cache for folder images that have been overlayed with conflict icon
private Map fgImageCache;
CompareConfiguration compareConfig = new CompareConfiguration();
private WorkbenchLabelProvider workbenchLabelProvider = new WorkbenchLabelProvider();
/**
* Decorating label provider that also support color providers
*/
public static class DecoratingColorLabelProvider extends DecoratingLabelProvider implements IColorProvider {
public DecoratingColorLabelProvider(ILabelProvider provider, ILabelDecorator decorator) {
super(provider, decorator);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IColorProvider#getForeground(java.lang.Object)
*/
public Color getForeground(Object element) {
ILabelProvider p = getLabelProvider();
if(p instanceof IColorProvider) {
return ((IColorProvider)p).getForeground(element);
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IColorProvider#getBackground(java.lang.Object)
*/
public Color getBackground(Object element) {
ILabelProvider p = getLabelProvider();
if(p instanceof IColorProvider) {
return ((IColorProvider)p).getBackground(element);
}
return null;
}
}
public SyncInfoLabelProvider() {
JobStatusHandler.addJobListener(new IJobListener() {
public void started(QualifiedName jobType) {
working = true;
Display.getDefault().asyncExec(new Runnable() {
public void run() {
// TODO: What this is this supposed to be?
synchronized (this) {
fireLabelProviderChanged(new LabelProviderChangedEvent(SyncInfoLabelProvider.this));
}
}
});
}
public void finished(QualifiedName jobType) {
working = false;
Display.getDefault().asyncExec(new Runnable() {
public void run() {
synchronized (this) {
fireLabelProviderChanged(new LabelProviderChangedEvent(SyncInfoLabelProvider.this));
}
}
});
}
}, TeamSubscriber.SUBSCRIBER_JOB_TYPE);
// The label provider may of been created after the subscriber job has been
// started.
this.working = JobStatusHandler.hasRunningJobs(TeamSubscriber.SUBSCRIBER_JOB_TYPE);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IColorProvider#getForeground(java.lang.Object)
*/
public Color getForeground(Object element) {
if (working) {
return WorkbenchColors.getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW);
} else {
return null;
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IColorProvider#getBackground(java.lang.Object)
*/
public Color getBackground(Object element) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.LabelProvider#getImage(java.lang.Object)
*/
public Image getImage(Object element) {
Image base = workbenchLabelProvider.getImage(element);
if(base != null) {
SyncInfo info = getSyncInfo(element);
Image decoratedImage;
IResource local;
if(info == null) {
// TODO: How do we decorate parents of conflicts that have no resource
local = TreeViewerUtils.getResource(element);
// The reason we still overlay the compare image is to ensure
// that the image width for all images shown in the viewer
// are consistent.
decoratedImage = getCompareImage(base, SyncInfo.IN_SYNC);
} else {
local = info.getLocal();
decoratedImage = getCompareImage(base, info.getKind());
}
return propagateConflicts(decoratedImage, element, local);
}
return base;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
*/
public String getText(Object element) {
String base = workbenchLabelProvider.getText(element);
if (TeamUIPlugin.getPlugin().getPreferenceStore().getBoolean(IPreferenceIds.SYNCVIEW_VIEW_SYNCINFO_IN_LABEL)) {
SyncInfo info = getSyncInfo(element);
if (info != null && info.getKind() != SyncInfo.IN_SYNC) {
String syncKindString = SyncInfo.kindToString(info.getKind());
return Policy.bind("TeamSubscriberSyncPage.labelWithSyncKind", base, syncKindString); //$NON-NLS-1$
}
}
return base;
}
protected Image getCompareImage(Image base, int kind) {
switch (kind & SyncInfo.DIRECTION_MASK) {
case SyncInfo.OUTGOING:
kind = (kind &~ SyncInfo.OUTGOING) | SyncInfo.INCOMING;
break;
case SyncInfo.INCOMING:
kind = (kind &~ SyncInfo.INCOMING) | SyncInfo.OUTGOING;
break;
}
return compareConfig.getImage(base, kind);
}
private Image propagateConflicts(Image base, Object element, IResource resource) {
if (resource != null && resource.getType() == IResource.FILE) return base;
if(element instanceof SyncInfoDiffNode) {
// if the folder is already conflicting then don't bother propagating the conflict
int kind = getSyncKind(element);
if((kind & SyncInfo.DIRECTION_MASK) != SyncInfo.CONFLICTING) {
if(((SyncInfoDiffNode)element).hasDecendantConflicts()) {
ImageDescriptor overlay = new OverlayIcon(
base,
new ImageDescriptor[] { TeamUIPlugin.getImageDescriptor(ISharedImages.IMG_CONFLICT_OVR)},
new int[] {OverlayIcon.BOTTOM_LEFT},
new Point(base.getBounds().width, base.getBounds().height));
if(fgImageCache == null) {
fgImageCache = new HashMap(10);
}
Image conflictDecoratedImage = (Image) fgImageCache.get(overlay);
if (conflictDecoratedImage == null) {
conflictDecoratedImage = overlay.createImage();
fgImageCache.put(overlay, conflictDecoratedImage);
}
return conflictDecoratedImage;
}
}
}
return base;
}
private int getSyncKind(Object element) {
SyncInfo info = getSyncInfo(element);
if (info != null) {
return info.getKind();
}
return SyncInfo.IN_SYNC;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
*/
public void dispose() {
compareConfig.dispose();
if(fgImageCache != null) {
Iterator it = fgImageCache.values().iterator();
while (it.hasNext()) {
Image element = (Image) it.next();
element.dispose();
}
}
}
/**
* Returns the implementation of SyncInfo for the given
* object. Returns <code>null</code> if the adapter is not defined or the
* object is not adaptable.
*/
protected final SyncInfo getSyncInfo(Object o) {
if (!(o instanceof IAdaptable)) {
return null;
}
return (SyncInfo) ((IAdaptable) o).getAdapter(SyncInfo.class);
}
}
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