Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2013 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.wizards.imports; import java.util.*; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.debug.core.*; import org.eclipse.jface.dialogs.*; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.wizard.*; import org.eclipse.osgi.service.resolver.BundleDescription; import org.eclipse.pde.core.plugin.IPluginModelBase; import org.eclipse.pde.internal.core.SourceLocationManager; import org.eclipse.pde.internal.launching.launcher.BundleLauncherHelper; import org.eclipse.pde.internal.ui.*; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Shell; import org.eclipse.team.core.ScmUrlImportDescription; import org.eclipse.team.core.importing.provisional.IBundleImporter; import org.eclipse.team.ui.IScmUrlImportWizardPage; import org.eclipse.ui.IImportWizard; import org.eclipse.ui.IWorkbench; @SuppressWarnings("restriction") //The IBundleImporter API is currently provisional public class PluginImportWizard extends Wizard implements IImportWizard, IPageChangingListener { private static final String STORE_SECTION = "PluginImportWizard"; //$NON-NLS-1$ private IStructuredSelection selection; private PluginImportWizardFirstPage page1; private BaseImportWizardSecondPage page2; private BaseImportWizardSecondPage page3; public PluginImportWizard() { IDialogSettings masterSettings = PDEPlugin.getDefault().getDialogSettings(); setDialogSettings(getSettingsSection(masterSettings)); setDefaultPageImageDescriptor(PDEPluginImages.DESC_PLUGIN_IMPORT_WIZ); setWindowTitle(PDEUIMessages.ImportWizard_title); } public void init(IWorkbench workbench, IStructuredSelection selection) { this.selection = selection; } /* (non-Javadoc) * @see org.eclipse.jface.wizard.Wizard#createPageControls(org.eclipse.swt.widgets.Composite) */ @Override public void createPageControls(Composite pageContainer) { super.createPageControls(pageContainer); IWizardContainer container = getContainer(); if (container instanceof WizardDialog) { WizardDialog dialog = (WizardDialog) container; dialog.addPageChangingListener(this); } } @Override public void addPages() { setNeedsProgressMonitor(true); page1 = new PluginImportWizardFirstPage("first"); //$NON-NLS-1$ addPage(page1); page2 = new PluginImportWizardExpressPage("express", page1, selection); //$NON-NLS-1$ addPage(page2); page3 = new PluginImportWizardDetailedPage("detailed", page1); //$NON-NLS-1$ addPage(page3); } private IDialogSettings getSettingsSection(IDialogSettings master) { IDialogSettings setting = master.getSection(STORE_SECTION); if (setting == null) { setting = master.addNewSection(STORE_SECTION); } return setting; } private IPluginModelBase[] getModelsToImport() { if (page1.getNextPage().equals(page2)) return page2.getModelsToImport(); return page3.getModelsToImport(); } @Override public boolean performFinish() { page1.storeSettings(); ((BaseImportWizardSecondPage) page1.getNextPage()).storeSettings(); final IPluginModelBase[] models = getModelsToImport(); int launchedConfiguration = getConflictingConfigurationsCount(models); if (launchedConfiguration > 0) { String message = launchedConfiguration == 1 ? PDEUIMessages.PluginImportWizard_runningConfigDesc : PDEUIMessages.PluginImportWizard_runningConfigsDesc; MessageDialog dialog = new MessageDialog(getShell(), PDEUIMessages.PluginImportWizard_runningConfigsTitle, null, message, MessageDialog.WARNING, new String[] { IDialogConstants.OK_LABEL, IDialogConstants.CANCEL_LABEL }, 0); if (dialog.open() != IDialogConstants.OK_ID) return false; } if (page1.getImportType() == PluginImportOperation.IMPORT_FROM_REPOSITORY) { if (getContainer().getCurrentPage() instanceof BaseImportWizardSecondPage) { // ensure to set the models to import when finished is pressed without advancing to the repository pages page1.configureBundleImportPages(models); } } // finish contributed pages if (!page1.finishPages()) { return false; } doImportOperation(page1.getImportType(), models, page2.forceAutoBuild(), launchedConfiguration > 0, page1.getAlternateSourceLocations(), page1.getImportDescriptions()); return true; } /** * @return the number of conflicting running launch configurations */ private int getConflictingConfigurationsCount(IPluginModelBase[] modelsToImport) { ILaunchManager launchManager = DebugPlugin.getDefault().getLaunchManager(); int count = 0; ILaunch[] launches = launchManager.getLaunches(); HashSet<String> imported = new HashSet<String>((4 * modelsToImport.length) / 3 + 1); for (int j = 0; j < modelsToImport.length; ++j) { BundleDescription bd = modelsToImport[j].getBundleDescription(); if (bd != null) { imported.add(bd.getSymbolicName()); } } for (int i = 0; i < launches.length; ++i) { if (!launches[i].isTerminated()) { ILaunchConfiguration configuration = launches[i].getLaunchConfiguration(); if (configuration == null) continue; try { Map<?, ?> workspaceBundleMap = BundleLauncherHelper.getWorkspaceBundleMap(configuration); for (Iterator<?> iter = workspaceBundleMap.keySet().iterator(); iter.hasNext();) { IPluginModelBase bm = (IPluginModelBase) iter.next(); BundleDescription description = bm.getBundleDescription(); if (description != null) { if (imported.contains(description.getSymbolicName())) { ++count; break; } } } } catch (CoreException e) { ++count; } } } return count; } public static void doImportOperation(Shell shell, int importType, IPluginModelBase[] models, boolean forceAutobuild) { doImportOperation(importType, models, forceAutobuild, false, null, null); } /** * Performs the import. * * @param importType one of the import operation types * @param models models being imported * @param forceAutobuild whether to force a build after the import * @param launchedConfiguration if there is a launched target currently running * @param alternateSource used to locate source attachments or <code>null</code> if default * source locations should be used (from active target platform). * @param importerToDescriptions map of bundle importers to import descriptions if importing * from a repository, else <code>null</code> * */ public static void doImportOperation(int importType, IPluginModelBase[] models, boolean forceAutobuild, boolean launchedConfiguration, SourceLocationManager alternateSource, Map<IBundleImporter, ScmUrlImportDescription[]> importerToDescriptions) { PluginImportOperation job = new PluginImportOperation(models, importType, forceAutobuild); job.setImportDescriptions(importerToDescriptions); job.setAlternateSource(alternateSource); job.setPluginsInUse(launchedConfiguration); job.setRule(ResourcesPlugin.getWorkspace().getRoot()); job.setUser(true); job.schedule(); } @Override public IWizardPage getNextPage(IWizardPage page) { if (page.equals(page1)) { if (page1.getScanAllPlugins()) { return page3; } return page2; } if (page.equals(page2) || page.equals(page3) || (page instanceof IScmUrlImportWizardPage)) { IPluginModelBase[] models = getModelsToImport(); page1.configureBundleImportPages(models); return page1.getNextPage(page); } return null; } @Override public IWizardPage getPreviousPage(IWizardPage page) { if (page.equals(page1)) { return null; } if (page.equals(page2) || page.equals(page3)) { return page1; } IWizardPage prev = page1.getPreviousPage(page); if (prev == null) { return page3; } return prev; } @Override public boolean canFinish() { return !page1.isCurrentPage() && page1.getNextPage().isPageComplete() && page1.arePagesComplete(); } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.IPageChangingListener#handlePageChanging(org.eclipse.jface.dialogs.PageChangingEvent) */ public void handlePageChanging(PageChangingEvent event) { if (event.getCurrentPage() instanceof BaseImportWizardSecondPage && event.getTargetPage() instanceof IScmUrlImportWizardPage) { IPluginModelBase[] models = getModelsToImport(); page1.configureBundleImportPages(models); } } }