| /******************************************************************************* |
| * Copyright (c) 2000, 2015 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.pde.internal.ui.samples; |
| |
| import java.io.IOException; |
| import java.lang.reflect.InvocationTargetException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.*; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.equinox.internal.provisional.configurator.Configurator; |
| import org.eclipse.equinox.p2.core.IProvisioningAgent; |
| import org.eclipse.equinox.p2.core.ProvisionException; |
| import org.eclipse.equinox.p2.engine.IProfile; |
| import org.eclipse.equinox.p2.engine.IProfileRegistry; |
| import org.eclipse.equinox.p2.metadata.IInstallableUnit; |
| import org.eclipse.equinox.p2.operations.InstallOperation; |
| import org.eclipse.equinox.p2.operations.ProvisioningJob; |
| import org.eclipse.equinox.p2.query.*; |
| import org.eclipse.equinox.p2.repository.metadata.IMetadataRepository; |
| import org.eclipse.equinox.p2.ui.ProvisioningUI; |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.jface.wizard.WizardDialog; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.pde.internal.ui.*; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.WorkbenchException; |
| import org.eclipse.ui.intro.IIntroSite; |
| import org.eclipse.ui.intro.config.*; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceReference; |
| |
| public class ShowSampleAction extends Action implements IIntroAction { |
| private static final String SAMPLE_FEATURE_ID = "org.eclipse.sdk.samples"; //$NON-NLS-1$ |
| private static final String UPDATE_SITE = "http://www.eclipse.org/pde/samples/site.xml"; //$NON-NLS-1$ |
| private String sampleId; |
| |
| private ProvisioningUI provUI; |
| |
| /** |
| * |
| */ |
| public ShowSampleAction() { |
| provUI = ProvisioningUI.getDefaultUI(); |
| } |
| |
| @Override |
| public void run(IIntroSite site, Properties params) { |
| sampleId = params.getProperty("id"); //$NON-NLS-1$ |
| if (sampleId == null) |
| return; |
| |
| Runnable r = new Runnable() { |
| @Override |
| public void run() { |
| if (!ensureSampleFeaturePresent()) |
| return; |
| |
| SampleWizard wizard = new SampleWizard(); |
| try { |
| wizard.setInitializationData(null, "class", sampleId); //$NON-NLS-1$ |
| wizard.setSampleEditorNeeded(false); |
| wizard.setSwitchPerspective(false); |
| wizard.setSelectRevealEnabled(false); |
| wizard.setActivitiesEnabled(false); |
| WizardDialog dialog = new WizardDialog(PDEPlugin.getActiveWorkbenchShell(), wizard); |
| dialog.create(); |
| if (dialog.open() == Window.OK) { |
| switchToSampleStandby(wizard); |
| } |
| } catch (CoreException e) { |
| PDEPlugin.logException(e); |
| } |
| } |
| }; |
| |
| Shell currentShell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); |
| currentShell.getDisplay().asyncExec(r); |
| } |
| |
| private void switchToSampleStandby(SampleWizard wizard) { |
| StringBuffer url = new StringBuffer(); |
| url.append("http://org.eclipse.ui.intro/showStandby?"); //$NON-NLS-1$ |
| url.append("pluginId=org.eclipse.pde.ui"); //$NON-NLS-1$ |
| url.append("&"); //$NON-NLS-1$ |
| url.append("partId=org.eclipse.pde.ui.sampleStandbyPart"); //$NON-NLS-1$ |
| url.append("&"); //$NON-NLS-1$ |
| url.append("input="); //$NON-NLS-1$ |
| url.append(sampleId); |
| IIntroURL introURL = IntroURLFactory.createIntroURL(url.toString()); |
| if (introURL != null) { |
| introURL.execute(); |
| ensureProperContext(wizard); |
| } |
| } |
| |
| private void ensureProperContext(SampleWizard wizard) { |
| IConfigurationElement sample = wizard.getSelection(); |
| String perspId = sample.getAttribute("perspectiveId"); //$NON-NLS-1$ |
| if (perspId != null) { |
| try { |
| wizard.enableActivities(); |
| PlatformUI.getWorkbench().showPerspective(perspId, PDEPlugin.getActiveWorkbenchWindow()); |
| wizard.selectReveal(PDEPlugin.getActiveWorkbenchShell()); |
| } catch (WorkbenchException e) { |
| PDEPlugin.logException(e); |
| } |
| } |
| enableActivities(sample); |
| } |
| |
| private void enableActivities(IConfigurationElement sample) { |
| } |
| |
| /** |
| * Ensure the sample feature is present. If not present, attempt to install it. |
| * |
| * @return <code>true</code> if the sample features are present, and |
| * <code>false</code> otherwise. |
| */ |
| private boolean ensureSampleFeaturePresent() { |
| IProfile profile = getProfile(); |
| if (profile == null) |
| return false; |
| if (checkFeature(profile)) |
| return true; |
| // the feature is not present - ask to download |
| if (MessageDialog.openQuestion(PDEPlugin.getActiveWorkbenchShell(), PDEUIMessages.ShowSampleAction_msgTitle, PDEUIMessages.ShowSampleAction_msgDesc)) { |
| return downloadFeature(); |
| } |
| return false; |
| } |
| |
| private boolean checkFeature(IProfile profile) { |
| return !profile.query(getSampleFeatureQuery(), null).isEmpty(); |
| } |
| |
| /** |
| * Returns <code>true</code> if the sample feature is already installed, or if |
| * it won't be possible to install the feature (required services are missing). Returns |
| * <code>false</code> if the features are missing and should be installed. |
| */ |
| private IProfile getProfile() { |
| IProvisioningAgent agent = provUI.getSession().getProvisioningAgent(); |
| if (agent == null) |
| return null; |
| IProfileRegistry registry = (IProfileRegistry) agent.getService(IProfileRegistry.SERVICE_NAME); |
| if (registry == null) |
| return null; |
| return registry.getProfile(provUI.getProfileId()); |
| } |
| |
| IQuery<IInstallableUnit> getSampleFeatureQuery() { |
| return QueryUtil.createIUQuery(SAMPLE_FEATURE_ID); |
| } |
| |
| /** |
| * Download the sample feature, returning <code>true</code> if the feature |
| * was installed successfully, and <code>false</code> otherwise. |
| */ |
| private boolean downloadFeature() { |
| IRunnableWithProgress op = new IRunnableWithProgress() { |
| @Override |
| public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { |
| try { |
| SubMonitor sub = SubMonitor.convert(monitor, PDEUIMessages.ShowSampleAction_installing, 100); |
| InstallOperation operation = createInstallOperation(sub.split(10)); |
| operation.resolveModal(sub.split(20)); |
| IStatus status = operation.getResolutionResult(); |
| if (status.getSeverity() == IStatus.CANCEL) { |
| throw new InterruptedException(); |
| } else if (!(status.isOK() || status.getSeverity() == IStatus.INFO)) { |
| throw new CoreException(status); |
| } |
| ProvisioningJob job = operation.getProvisioningJob(null); |
| status = job.runModal(sub.split(70)); |
| if (!(status.isOK() || status.getSeverity() == IStatus.INFO)) { |
| throw new CoreException(status); |
| } |
| applyConfiguration(); |
| } catch (Exception e) { |
| throw new InvocationTargetException(e); |
| } |
| } |
| }; |
| try { |
| PlatformUI.getWorkbench().getProgressService().busyCursorWhile(op); |
| } catch (InvocationTargetException e) { |
| PDEPlugin.logException(e); |
| return false; |
| } catch (InterruptedException e) { |
| PDEPlugin.logException(e); |
| } |
| return true; |
| } |
| |
| /** |
| * Returns a Collection<IInstallableUnit> of the installable units that contain the samples |
| * to be installed. |
| */ |
| protected Collection<IInstallableUnit> findSampleIUs(URI location, SubMonitor monitor) throws ProvisionException { |
| IMetadataRepository repository = provUI.loadMetadataRepository(location, false, monitor.split(5)); |
| IQueryResult<IInstallableUnit> allSamples = repository.query(getSampleFeatureQuery(), monitor.split(5)); |
| if (allSamples.isEmpty()) { |
| throw new ProvisionException(NLS.bind(PDEUIMessages.ShowSampleAction_NoSamplesFound, location.toString())); |
| } |
| IInstallableUnit toInstall = null; |
| for (Iterator<IInstallableUnit> iterator = allSamples.iterator(); iterator.hasNext();) { |
| IInstallableUnit current = iterator.next(); |
| if (toInstall == null || toInstall.getVersion().compareTo(current.getVersion()) < 0) { |
| toInstall = current; |
| } |
| } |
| Collection<IInstallableUnit> result = new ArrayList<>(1); |
| result.add(toInstall); |
| return result; |
| } |
| |
| /** |
| * Creates the operation that will install the sample features in the running platform. |
| */ |
| InstallOperation createInstallOperation(SubMonitor monitor) throws URISyntaxException, ProvisionException { |
| URI repositoryLocation = new URI(UPDATE_SITE); |
| Collection<IInstallableUnit> sampleIUs = findSampleIUs(repositoryLocation, monitor); |
| URI[] repos = new URI[] {repositoryLocation}; |
| InstallOperation operation = provUI.getInstallOperation(sampleIUs, repos); |
| return operation; |
| } |
| |
| /** |
| * Apply the profile changes to the currently running configuration. |
| */ |
| void applyConfiguration() throws CoreException { |
| BundleContext context = PDEPlugin.getDefault().getBundle().getBundleContext(); |
| ServiceReference<?> reference = context.getServiceReference(Configurator.class.getName()); |
| Configurator configurator = (Configurator) context.getService(reference); |
| try { |
| configurator.applyConfiguration(); |
| } catch (IOException e) { |
| throw new CoreException(new Status(IStatus.ERROR, IPDEUIConstants.PLUGIN_ID, "Unexpected failure applying configuration", e)); //$NON-NLS-1$ |
| } finally { |
| context.ungetService(reference); |
| } |
| } |
| |
| } |