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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.internal.ui.sync.sets;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.subscribers.ITeamResourceChangeListener;
import org.eclipse.team.core.subscribers.TeamDelta;
import org.eclipse.team.core.subscribers.TeamSubscriber;
import org.eclipse.team.internal.core.Assert;
import org.eclipse.team.internal.ui.TeamUIPlugin;
import org.eclipse.team.ui.TeamUI;
import org.eclipse.team.ui.sync.SyncInfoFilter;
import org.eclipse.ui.IWorkingSet;
/**
* SubscriberInput encapsulates the UI model for synchronization changes associated
* with a TeamSubscriber.
*/
public class SubscriberInput implements IPropertyChangeListener, ITeamResourceChangeListener, IResourceChangeListener {
/*
* The subscriberInput manages a sync set that contains all of the out-of-sync elements
* of a subscriber.
*/
private SyncSetInputFromSubscriber subscriberSyncSet;
/*
* The working set sync set is used to constrain the subscriber's resources to
* a smaller workset.
*/
private WorkingSetSyncSetInput workingRootsSet;
/*
* The filtered set contains the changes after direction and kind filters have been applied
*/
private SyncSetInputFromSyncSet filteredSyncSet;
/*
* Responsible for calculating changes to a set based on events generated
* in the workbench.
*/
private SubscriberEventHandler eventHandler;
public SubscriberInput(TeamSubscriber subscriber) {
Assert.isNotNull(subscriber);
subscriberSyncSet = new SyncSetInputFromSubscriber(subscriber);
workingRootsSet = new WorkingSetSyncSetInput(subscriberSyncSet.getSyncSet());
filteredSyncSet = new SyncSetInputFromSyncSet(workingRootsSet.getSyncSet());
eventHandler = new SubscriberEventHandler(subscriberSyncSet);
TeamUI.addPropertyChangeListener(this);
ResourcesPlugin.getWorkspace().addResourceChangeListener(this, IResourceChangeEvent.POST_CHANGE);
subscriber.addListener(this);
}
public TeamSubscriber getSubscriber() {
return subscriberSyncSet.getSubscriber();
}
public SyncSet getFilteredSyncSet() {
return filteredSyncSet.getSyncSet();
}
public SyncSet getSubscriberSyncSet() {
return subscriberSyncSet.getSyncSet();
}
public SyncSet getWorkingSetSyncSet() {
return workingRootsSet.getSyncSet();
}
public void setFilter(SyncInfoFilter filter, IProgressMonitor monitor) throws TeamException {
filteredSyncSet.setFilter(filter);
filteredSyncSet.reset(monitor);
}
public void setWorkingSet(IWorkingSet set) {
workingRootsSet.setWorkingSet(set);
}
public IWorkingSet getWorkingSet() {
return workingRootsSet.getWorkingSet();
}
public void dispose() {
eventHandler.shutdown();
filteredSyncSet.disconnect();
workingRootsSet.disconnect();
subscriberSyncSet.disconnect();
getSubscriber().removeListener(this);
ResourcesPlugin.getWorkspace().removeResourceChangeListener(this);
TeamUI.removePropertyChangeListener(this);
}
public IResource[] workingSetRoots() {
return workingRootsSet.roots(getSubscriber());
}
public IResource[] subscriberRoots() {
return getSubscriber().roots();
}
/* (non-Javadoc)
* @see IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
*/
public void propertyChange(PropertyChangeEvent event) {
if (event.getProperty().equals(TeamUI.GLOBAL_IGNORES_CHANGED)) {
//try {
// the reset will simply clear the set since a subscriber sync set doesn't
// implement fetchInput().
//subscriberSyncSet.reset(new NullProgressMonitor());
//eventHandler.initialize();
//} catch (TeamException e) {
// TeamUIPlugin.log(e);
//}
}
}
/**
* Process the resource delta
*
* @param delta
*/
private void processDelta(IResourceDelta delta) {
IResource resource = delta.getResource();
int kind = delta.getKind();
if (resource.getType() == IResource.PROJECT) {
try {
// Handle a deleted project
if (((kind & IResourceDelta.REMOVED) != 0)
|| !getSubscriber().isSupervised((IProject) resource)) {
eventHandler.remove((IProject) resource);
return;
}
// Only interested in projects mapped to the provider
if (!getSubscriber().isSupervised((IProject) resource)) {
return;
}
} catch (TeamException e) {
TeamUIPlugin.log(e);
// we return because the children of this project shouldn't be processed.
return;
}
}
// If the resource has changed type, remove the old resource handle
// and add the new one
if ((delta.getFlags() & IResourceDelta.TYPE) != 0) {
eventHandler.remove(resource);
eventHandler.change(resource, IResource.DEPTH_INFINITE);
}
// Check the flags for changes the SyncSet cares about.
// Notice we don't care about MARKERS currently.
int changeFlags = delta.getFlags();
if ((changeFlags & (IResourceDelta.OPEN | IResourceDelta.CONTENT)) != 0) {
eventHandler.change(resource, IResource.DEPTH_ZERO);
}
// Check the kind and deal with those we care about
if ((delta.getKind() & (IResourceDelta.REMOVED | IResourceDelta.ADDED)) != 0) {
eventHandler.change(resource, IResource.DEPTH_ZERO);
}
// Handle changed children .
IResourceDelta[] affectedChildren =
delta.getAffectedChildren(IResourceDelta.CHANGED | IResourceDelta.REMOVED | IResourceDelta.ADDED);
for (int i = 0; i < affectedChildren.length; i++) {
processDelta(affectedChildren[i]);
}
}
/* (non-Javadoc)
* @see org.eclipse.core.resources.IResourceChangeListener#resourceChanged(org.eclipse.core.resources.IResourceChangeEvent)
*/
public void resourceChanged(IResourceChangeEvent event) {
processDelta(event.getDelta());
}
/* (non-Javadoc)
* @see org.eclipse.team.core.sync.ITeamResourceChangeListener#teamResourceChanged(org.eclipse.team.core.sync.TeamDelta[])
*/
public void teamResourceChanged(TeamDelta[] deltas) {
for (int i = 0; i < deltas.length; i++) {
switch(deltas[i].getFlags()) {
case TeamDelta.SYNC_CHANGED:
eventHandler.change(deltas[i].getResource(), IResource.DEPTH_ZERO);
break;
case TeamDelta.PROVIDER_DECONFIGURED:
eventHandler.remove(deltas[i].getResource());
break;
case TeamDelta.PROVIDER_CONFIGURED:
eventHandler.change(deltas[i].getResource(), IResource.DEPTH_INFINITE);
break;
}
}
}
}
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