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/*******************************************************************************
* Copyright (c) 2007, 2011 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.equinox.internal.p2.ui.model;
import java.util.*;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.equinox.internal.p2.ui.ProvUI;
import org.eclipse.equinox.internal.p2.ui.ProvUIMessages;
import org.eclipse.equinox.p2.operations.ProvisioningSession;
import org.eclipse.equinox.p2.engine.IProfile;
import org.eclipse.equinox.p2.engine.IProfileRegistry;
import org.eclipse.ui.progress.IDeferredWorkbenchAdapter;
import org.eclipse.ui.progress.IElementCollector;
/**
* Element class for profile snapshots
*
* @since 3.5
*/
public class ProfileSnapshots extends ProvElement implements IDeferredWorkbenchAdapter {
String profileId;
ProvisioningSession session;
public ProfileSnapshots(String profileId, ProvisioningSession session) {
super(null);
this.profileId = profileId;
this.session = session;
}
public String getProfileId() {
return profileId;
}
/* (non-Javadoc)
* @see org.eclipse.ui.model.IWorkbenchAdapter#getChildren(java.lang.Object)
*/
public Object[] getChildren(Object o) {
IProfileRegistry registry = ProvUI.getProfileRegistry(session);
long[] timestamps = registry.listProfileTimestamps(profileId);
// find out which profile states we should hide
Map<String, String> hidden = registry.getProfileStateProperties(profileId, IProfile.PROP_HIDDEN);
List<RollbackProfileElement> elements = new ArrayList<RollbackProfileElement>();
for (int i = 0; i < timestamps.length; i++) {
if (hidden.containsKey(String.valueOf(timestamps[i])))
continue;
RollbackProfileElement element = new RollbackProfileElement(this, profileId, timestamps[i]);
elements.add(element);
// Eliminate the first in the list (earliest) if there was no content at all.
// This doesn't always happen, but can, and we don't want to offer the user an empty profile to
// revert to. Just reset the list since it only has one element.
if (i == 0 && element.getChildren(element).length == 0)
elements.clear();
}
// current profile is the last one in the list
if (elements.size() > 0)
elements.get(elements.size() - 1).setIsCurrentProfile(true);
return elements.toArray(new RollbackProfileElement[elements.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.ui.model.IWorkbenchAdapter#getLabel(java.lang.Object)
*/
public String getLabel(Object o) {
return ProvUIMessages.ProfileSnapshots_Label;
}
/* (non-Javadoc)
* @see org.eclipse.ui.progress.IDeferredWorkbenchAdapter#fetchDeferredChildren(java.lang.Object, org.eclipse.ui.progress.IElementCollector, org.eclipse.core.runtime.IProgressMonitor)
*/
public void fetchDeferredChildren(Object object, IElementCollector collector, IProgressMonitor monitor) {
Object[] children = getChildren(object);
collector.add(children, monitor);
}
/* (non-Javadoc)
* @see org.eclipse.ui.progress.IDeferredWorkbenchAdapter#getRule(java.lang.Object)
*/
public ISchedulingRule getRule(Object object) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.ui.progress.IDeferredWorkbenchAdapter#isContainer()
*/
public boolean isContainer() {
return false;
}
}
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