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/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.ui.mapping;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.resources.mapping.ModelProvider;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.graphics.Image;
import org.eclipse.team.core.mapping.ISynchronizationContext;
import org.eclipse.team.core.mapping.ISynchronizationScope;
import org.eclipse.team.internal.ui.TeamUIMessages;
import org.eclipse.team.ui.synchronize.AbstractSynchronizeLabelProvider;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.navigator.ICommonContentExtensionSite;
import org.eclipse.ui.navigator.ICommonLabelProvider;
import org.eclipse.ui.navigator.IDescriptionProvider;
/**
* A label provider wrapper that adds synchronization image and/or text decorations
* to the image and label obtained from the delegate provider.
*
* @since 3.2
*/
public abstract class SynchronizationLabelProvider extends AbstractSynchronizeLabelProvider implements ICommonLabelProvider, IFontProvider {
private ISynchronizationScope scope;
private ISynchronizationContext context;
private ITreeContentProvider contentProvider;
private ICommonContentExtensionSite site;
private void init(ISynchronizationScope input, ISynchronizationContext context) {
this.scope = input;
this.context = context;
}
@Override
public void init(ICommonContentExtensionSite site) {
this.site = site;
contentProvider = site.getExtension().getContentProvider();
init((ISynchronizationScope)site.getExtensionStateModel().getProperty(ITeamContentProviderManager.P_SYNCHRONIZATION_SCOPE),
(ISynchronizationContext)site.getExtensionStateModel().getProperty(ITeamContentProviderManager.P_SYNCHRONIZATION_CONTEXT));
}
/**
* Return the synchronization context associated with the view to which
* this label provider applies. A <code>null</code> is returned if
* no context is available.
* @return the synchronization context or <code>null</code>
*/
public ISynchronizationContext getContext() {
return context;
}
/**
* Return the resource mapping scope associated with the view to which
* this label provider applies. A <code>null</code> is returned if
* no scope is available.
* @return the resource mapping scope or <code>null</code>
*/
public ISynchronizationScope getScope() {
return scope;
}
@Override
public void restoreState(IMemento aMemento) {
ILabelProvider provider = getDelegateLabelProvider();
if (provider instanceof ICommonLabelProvider) {
((ICommonLabelProvider) provider).restoreState(aMemento);
}
}
@Override
public void saveState(IMemento aMemento) {
ILabelProvider provider = getDelegateLabelProvider();
if (provider instanceof ICommonLabelProvider) {
((ICommonLabelProvider) provider).saveState(aMemento);
}
}
@Override
public String getDescription(Object anElement) {
ILabelProvider provider = getDelegateLabelProvider();
if (provider instanceof IDescriptionProvider) {
return ((IDescriptionProvider) provider).getDescription(internalGetElement(anElement));
}
return null;
}
@Override
protected boolean isDecorationEnabled() {
return getContext() != null;
}
@Override
public Image getImage(Object element) {
Image image = super.getImage(element);
if (image == null && internalGetElement(element) instanceof ModelProvider) {
image = super.getImage(getModelRoot());
}
return image;
}
/**
* Return the root object for the model. By default, it is the
* workspace root. Subclasses may override. This object is used to
* obtain an image for the model provider.
* @return the root object for the model
*/
protected Object getModelRoot() {
return ResourcesPlugin.getWorkspace().getRoot();
}
@Override
public String getText(Object element) {
String text = super.getText(element);
if (contentProvider instanceof SynchronizationContentProvider) {
SynchronizationContentProvider scp = (SynchronizationContentProvider) contentProvider;
ISynchronizationContext context = getContext();
if (context != null && !scp.isInitialized(context)) {
return NLS.bind(TeamUIMessages.SynchronizationLabelProvider_0, text);
}
}
return text;
}
/**
* Return the Common Navigator extension site for this
* label provider.
* @return the Common Navigator extension site for this
* label provider
*/
public ICommonContentExtensionSite getExtensionSite() {
return site;
}
private Object internalGetElement(Object element) {
if (element instanceof TreePath) {
TreePath tp = (TreePath) element;
element = tp.getLastSegment();
}
return element;
}
}
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