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/*******************************************************************************
* Copyright (c) 2007, 2010 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.sdk;
import org.eclipse.core.runtime.*;
import org.eclipse.core.runtime.jobs.IJobChangeEvent;
import org.eclipse.core.runtime.jobs.JobChangeAdapter;
import org.eclipse.equinox.p2.operations.*;
import org.eclipse.equinox.p2.ui.LoadMetadataRepositoryJob;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.statushandlers.StatusManager;
/**
* UpdateHandler invokes the check for updates UI
*
* @since 3.4
*/
public class UpdateHandler extends PreloadingRepositoryHandler {
boolean hasNoRepos = false;
UpdateOperation operation;
protected void doExecute(LoadMetadataRepositoryJob job) {
if (hasNoRepos) {
if (getProvisioningUI().getPolicy().getRepositoriesVisible()) {
boolean goToSites = MessageDialog.openQuestion(getShell(), ProvSDKMessages.UpdateHandler_NoSitesTitle, ProvSDKMessages.UpdateHandler_NoSitesMessage);
if (goToSites) {
getProvisioningUI().manipulateRepositories(getShell());
}
}
return;
}
// Report any missing repositories.
job.reportAccumulatedStatus();
if (getProvisioningUI().getPolicy().continueWorkingWithOperation(operation, getShell())) {
if (operation.getResolutionResult() == Status.OK_STATUS) {
getProvisioningUI().openUpdateWizard(false, operation, job);
} else {
final RemediationOperation remediationOperation = new RemediationOperation(getProvisioningUI().getSession(), operation.getProfileChangeRequest(), true);
ProvisioningJob job2 = new ProvisioningJob("Searching alternate solutions...", getProvisioningUI().getSession()) {
@Override
public IStatus runModal(IProgressMonitor monitor) {
monitor.beginTask("Some items cannot be at the highest version. Searching for the highest common denominator ...", RemedyConfig.getAllRemdyConfigs().length);
return remediationOperation.resolveModal(monitor);
}
};
job2.addJobChangeListener(new JobChangeAdapter() {
public void done(IJobChangeEvent event) {
if (PlatformUI.isWorkbenchRunning()) {
PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {
public void run() {
getProvisioningUI().openUpdateWizard(true, operation, remediationOperation, null);
}
});
}
}
});
getProvisioningUI().schedule(job2, StatusManager.SHOW | StatusManager.LOG);
}
}
}
protected void doPostLoadBackgroundWork(IProgressMonitor monitor) throws OperationCanceledException {
operation = getProvisioningUI().getUpdateOperation(null, null);
// check for updates
IStatus resolveStatus = operation.resolveModal(monitor);
if (resolveStatus.getSeverity() == IStatus.CANCEL)
throw new OperationCanceledException();
}
protected boolean preloadRepositories() {
hasNoRepos = false;
RepositoryTracker repoMan = getProvisioningUI().getRepositoryTracker();
if (repoMan.getKnownRepositories(getProvisioningUI().getSession()).length == 0) {
hasNoRepos = true;
return false;
}
return super.preloadRepositories();
}
@Override
protected String getProgressTaskName() {
return ProvSDKMessages.UpdateHandler_ProgressTaskName;
}
}
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