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/*******************************************************************************
* Copyright (c) 2007 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.p2.ui.actions;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.p2.core.ProvisionException;
import org.eclipse.equinox.p2.engine.IProfileRegistry;
import org.eclipse.equinox.p2.engine.Profile;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.ui.*;
import org.eclipse.equinox.p2.ui.operations.ProfileModificationOperation;
import org.eclipse.equinox.p2.ui.operations.ProvisioningUtil;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.statushandlers.StatusManager;
abstract class ProfileModificationAction extends ProvisioningAction {
Profile profile;
IProfileChooser profileChooser;
private static final int OPERATION_WORK = 1000;
public ProfileModificationAction(String text, ISelectionProvider selectionProvider, Profile profile, IProfileChooser profileChooser, Shell shell) {
super(text, selectionProvider, shell);
this.profile = profile;
this.profileChooser = profileChooser;
}
public void run() {
// If the profile was not provided, see if we have a
// viewer element that can tell us.
Profile targetProfile = profile;
if (targetProfile == null && profileChooser != null) {
targetProfile = profileChooser.getProfile();
}
// We could not figure out a profile to operate on, so return
if (targetProfile == null) {
return;
}
List elements = getStructuredSelection().toList();
List iusList = new ArrayList(elements.size());
for (int i = 0; i < elements.size(); i++) {
Object element = elements.get(i);
if (element instanceof IInstallableUnit) {
iusList.add(element);
} else if (element instanceof IAdaptable) {
iusList.add(((IAdaptable) element).getAdapter(IInstallableUnit.class));
}
}
final IInstallableUnit[] ius = (IInstallableUnit[]) iusList.toArray(new IInstallableUnit[iusList.size()]);
final ProfileModificationOperation[] ops = new ProfileModificationOperation[1];
final Profile prof = targetProfile;
IRunnableWithProgress runnable = new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) {
ops[0] = validateAndGetOperation(ius, prof, monitor);
}
};
try {
new ProgressMonitorDialog(getShell()).run(false, false, runnable);
} catch (InterruptedException e) {
// don't report thread interruption
} catch (InvocationTargetException e) {
ProvUI.handleException(e.getCause(), null);
}
if (ops[0] == null)
return;
final IStatus[] status = new IStatus[1];
runnable = new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) {
try {
monitor.beginTask(getTaskName(), OPERATION_WORK);
status[0] = ProvisioningUndoSupport.execute(ops[0], monitor, getShell());
if (!status[0].isOK()) {
StatusManager.getManager().handle(status[0], StatusManager.SHOW | StatusManager.LOG);
}
} catch (ExecutionException e) {
ProvUI.handleException(e.getCause(), null);
} finally {
monitor.done();
}
}
};
try {
new ProgressMonitorDialog(getShell()).run(true, true, runnable);
// If we updated the running profile, we need to determine whether to restart.
// TODO for now we pretend restart is optional, we really don't know yet
if (status[0] != null && status[0].isOK()) {
try {
Profile selfProfile = ProvisioningUtil.getProfile(IProfileRegistry.SELF);
if (selfProfile != null && (selfProfile.getProfileId().equals(targetProfile.getProfileId()))) {
ProvUI.requestRestart(false, getShell());
}
} catch (ProvisionException e) {
ProvUI.handleException(e, null);
}
}
} catch (InterruptedException e) {
// don't report thread interruption
} catch (InvocationTargetException e) {
ProvUI.handleException(e.getCause(), null);
}
}
/*
* Validate whether the proposed profile modification operation can run.
* If so, return an operation representing it. If not, return null.
* We assume the user has been notified if something couldn't happen.
*/
protected abstract ProfileModificationOperation validateAndGetOperation(IInstallableUnit[] ius, Profile targetProfile, IProgressMonitor monitor);
protected abstract String getTaskName();
}
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