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/*******************************************************************************
* Copyright (c) 2000, 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.ui.synchronize;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.compare.structuremergeviewer.IDiffElement;
import org.eclipse.core.runtime.jobs.IJobChangeEvent;
import org.eclipse.jface.operation.IRunnableContext;
import org.eclipse.team.core.synchronize.SyncInfo;
import org.eclipse.team.core.synchronize.SyncInfoSet;
import org.eclipse.team.internal.ui.synchronize.SyncInfoModelElement;
import org.eclipse.team.ui.TeamOperation;
import org.eclipse.ui.IWorkbenchPart;
/**
* A specialized team operation that operates on
* {@link org.eclipse.team.ui.synchronize.ISynchronizeModelElement}elements. If
* the operation is run in the background the elements the operation is created
* with will be updated to show that they are busy while the operation is
* running and will be marked un-busy after the operation completes.
*
* @see SyncInfoSet
* @see SynchronizeModelAction
* @since 3.0
*/
public abstract class SynchronizeModelOperation extends TeamOperation {
private IDiffElement[] elements;
/*
* Helper method for extracting the part safely from a configuration
*/
private static IWorkbenchPart getPart(ISynchronizePageConfiguration configuration) {
if (configuration != null) {
ISynchronizePageSite site = configuration.getSite();
if (site != null) {
return site.getPart();
}
}
return null;
}
/*
* Helper method for extracting the runnable context safely from a configuration
*/
private static IRunnableContext getRunnableContext(ISynchronizePageConfiguration configuration) {
if (configuration != null) {
return configuration.getRunnableContext();
}
return null;
}
/**
* Create an operation that will operate on the given diff elements.
*
* @param configuration the participant configuration in which this
* operation is run
* @param elements the model elements this operation will run with
*/
protected SynchronizeModelOperation(ISynchronizePageConfiguration configuration, IDiffElement[] elements) {
super(getPart(configuration), getRunnableContext(configuration));
this.elements = elements;
}
/**
* Returns a sync info set that contains the {@link SyncInfo}for the
* elements of this operations.
*
* @return the sync info set that contains the elements this operation is
* operating on.
*/
protected SyncInfoSet getSyncInfoSet() {
return makeSyncInfoSetFromSelection(getSyncInfos());
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.jobs.JobChangeAdapter#scheduled(org.eclipse.core.runtime.jobs.IJobChangeEvent)
*/
public void scheduled(IJobChangeEvent event) {
super.scheduled(event);
markBusy(elements, true);
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.jobs.JobChangeAdapter#done(org.eclipse.core.runtime.jobs.IJobChangeEvent)
*/
public void done(IJobChangeEvent event) {
markBusy(elements, false);
super.done(event);
}
private void markBusy(IDiffElement[] elements, boolean isBusy) {
for (int i = 0; i < elements.length; i++) {
IDiffElement element = elements[i];
if (element instanceof ISynchronizeModelElement) {
((ISynchronizeModelElement)element).setPropertyToRoot(ISynchronizeModelElement.BUSY_PROPERTY, isBusy);
}
}
}
/*
* Return the selected SyncInfo for which this action is enabled.
*
* @return the selected SyncInfo for which this action is enabled.
*/
private SyncInfo[] getSyncInfos() {
List filtered = new ArrayList();
for (int i = 0; i < elements.length; i++) {
IDiffElement e = elements[i];
if (e instanceof SyncInfoModelElement) {
filtered.add(((SyncInfoModelElement)e).getSyncInfo());
}
}
return (SyncInfo[]) filtered.toArray(new SyncInfo[filtered.size()]);
}
/*
* Return a sync info set that contains the given sync info
*/
private SyncInfoSet makeSyncInfoSetFromSelection(SyncInfo[] infos) {
return new SyncInfoSet(infos);
}
}
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