Java tutorial
/******************************************************************************* * Copyright (c) 2005, 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.views.plugins; import java.util.*; import org.eclipse.core.runtime.CoreException; import org.eclipse.jdt.core.IPackageFragmentRoot; import org.eclipse.jface.action.*; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.wizard.WizardDialog; import org.eclipse.osgi.service.resolver.BundleDescription; import org.eclipse.osgi.service.resolver.BundleSpecification; import org.eclipse.pde.core.plugin.*; import org.eclipse.pde.internal.core.PDECore; import org.eclipse.pde.internal.core.project.BundleProjectService; import org.eclipse.pde.internal.ui.PDEPlugin; import org.eclipse.pde.internal.ui.PDEUIMessages; import org.eclipse.pde.internal.ui.wizards.imports.*; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.team.core.ScmUrlImportDescription; import org.eclipse.team.core.importing.provisional.IBundleImporter; import org.eclipse.ui.actions.ActionContext; import org.eclipse.ui.actions.ActionGroup; @SuppressWarnings("restriction") public class ImportActionGroup extends ActionGroup { class ImportAction extends Action { IStructuredSelection fSel; int fImportType; ImportAction(int importType, IStructuredSelection selection) { fSel = selection; fImportType = importType; switch (fImportType) { case PluginImportOperation.IMPORT_BINARY: setText(PDEUIMessages.PluginsView_asBinaryProject); break; case PluginImportOperation.IMPORT_BINARY_WITH_LINKS: setText(PDEUIMessages.ImportActionGroup_binaryWithLinkedContent); break; case PluginImportOperation.IMPORT_WITH_SOURCE: setText(PDEUIMessages.PluginsView_asSourceProject); break; case PluginImportOperation.IMPORT_FROM_REPOSITORY: setText(PDEUIMessages.ImportActionGroup_Repository_project); break; } } @Override public void run() { handleImport(fImportType, fSel); } } @Override public void fillContextMenu(IMenuManager menu) { ActionContext context = getContext(); ISelection selection = context.getSelection(); if (!selection.isEmpty() && selection instanceof IStructuredSelection) { IStructuredSelection sSelection = (IStructuredSelection) selection; String menuName = null; if (sSelection.getFirstElement() instanceof IPluginExtension || sSelection.getFirstElement() instanceof IPluginExtensionPoint) menuName = PDEUIMessages.ImportActionGroup_importContributingPlugin; else menuName = PDEUIMessages.PluginsView_import; MenuManager importMenu = new MenuManager(menuName); importMenu.add(new ImportAction(PluginImportOperation.IMPORT_BINARY, sSelection)); importMenu.add(new ImportAction(PluginImportOperation.IMPORT_BINARY_WITH_LINKS, sSelection)); importMenu.add(new ImportAction(PluginImportOperation.IMPORT_WITH_SOURCE, sSelection)); importMenu.add(new ImportAction(PluginImportOperation.IMPORT_FROM_REPOSITORY, sSelection)); menu.add(importMenu); } } static void handleImport(int importType, IStructuredSelection selection) { ArrayList<IPluginModelBase> externalModels = new ArrayList<IPluginModelBase>(); for (Iterator<?> iter = selection.iterator(); iter.hasNext();) { IPluginModelBase model = getModel(iter.next()); if (model != null && model.getUnderlyingResource() == null) externalModels.add(model); } Display display = Display.getCurrent(); if (display == null) display = Display.getDefault(); IPluginModelBase[] models = externalModels.toArray(new IPluginModelBase[externalModels.size()]); if (importType == PluginImportOperation.IMPORT_FROM_REPOSITORY) { Map<?, ?> importMap = getImportDescriptions(display.getActiveShell(), models); if (importMap != null) { RepositoryImportWizard wizard = new RepositoryImportWizard(importMap); WizardDialog dialog = new WizardDialog(display.getActiveShell(), wizard); dialog.open(); } } else { PluginImportWizard.doImportOperation(display.getActiveShell(), importType, models, false); } } /** * Return a map of {@link IBundleImporter} > Array of {@link ScmUrlImportDescription} to be imported. * * @param shell shell to open message dialogs on, if required * @param models candidate models * @return map of importer to import descriptions */ private static Map<IBundleImporter, ScmUrlImportDescription[]> getImportDescriptions(Shell shell, IPluginModelBase[] models) { BundleProjectService service = (BundleProjectService) BundleProjectService.getDefault(); try { Map<IBundleImporter, ScmUrlImportDescription[]> descriptions = service.getImportDescriptions(models); // all possible descriptions if (!descriptions.isEmpty()) { return descriptions; } // no applicable importers for selected models MessageDialog.openInformation(shell, PDEUIMessages.ImportWizard_title, PDEUIMessages.ImportActionGroup_cannot_import); } catch (CoreException e) { PDEPlugin.log(e); MessageDialog.openError(shell, PDEUIMessages.ImportWizard_title, e.getMessage()); } return null; } public static boolean canImport(IStructuredSelection selection) { for (Iterator<?> iter = selection.iterator(); iter.hasNext();) { IPluginModelBase model = getModel(iter.next()); if (model != null && model.getUnderlyingResource() == null) return true; } return false; } private static IPluginModelBase getModel(Object next) { IPluginModelBase model = null; if (next instanceof IPluginModelBase) { model = (IPluginModelBase) next; } else if (next instanceof IPluginBase) { model = ((IPluginBase) next).getPluginModel(); } else if (next instanceof IPluginExtension) { model = ((IPluginExtension) next).getPluginModel(); } else if (next instanceof IPluginExtensionPoint) { model = ((IPluginExtensionPoint) next).getPluginModel(); } else if (next instanceof BundleDescription) { model = PDECore.getDefault().getModelManager().findModel((BundleDescription) next); } else if (next instanceof BundleSpecification) { // Required for contents of Target Platform State View BundleDescription desc = (BundleDescription) ((BundleSpecification) next).getSupplier(); if (desc != null) { model = PDECore.getDefault().getModelManager().findModel(desc); } } else if (next instanceof IPackageFragmentRoot) { // Required for context menu on PDE classpath container entries IPackageFragmentRoot root = (IPackageFragmentRoot) next; if (root.isExternal()) { String path = root.getPath().toOSString(); IPluginModelBase[] externalModels = PDECore.getDefault().getModelManager().getExternalModels(); for (int i = 0; i < externalModels.length; i++) { if (path.equals(externalModels[i].getInstallLocation())) { return externalModels[i]; } } } } return model; } }