| /******************************************************************************* |
| * Copyright (c) 2018 ALL4TEC. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Thanh Liem PHAN (ALL4TEC) - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.opencert.infra.dashboard.handlers; |
| |
| import java.util.Objects; |
| |
| import org.eclipse.amalgam.explorer.activity.ui.api.actions.OpenSessionAction; |
| import org.eclipse.amalgam.explorer.activity.ui.api.editor.ActivityExplorerEditor; |
| import org.eclipse.amalgam.explorer.activity.ui.api.editor.input.ActivityExplorerEditorInput; |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.emf.cdo.eresource.CDOResource; |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ITreeSelection; |
| import org.eclipse.opencert.infra.dashboard.DashboardActivator; |
| import org.eclipse.opencert.infra.dashboard.helpers.ChessProjectVisitor; |
| import org.eclipse.opencert.infra.dashboard.helpers.OpenCertExtensions; |
| import org.eclipse.opencert.infra.dashboard.helpers.SelectedFilesHelper; |
| import org.eclipse.sirius.business.api.session.Session; |
| import org.eclipse.sirius.business.api.session.SessionManager; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| |
| /** |
| * Concrete implementation for command part in Command pattern. Open the dashboard for the current active project. |
| * |
| * TODO: |
| * - handle the opened diagram editor for CDO project |
| * - handle multiple graphical editors opened from different CHESS models |
| */ |
| public final class OpenDashboardHandler extends AbstractHandler { |
| |
| /** |
| * Default constructor. |
| */ |
| public OpenDashboardHandler() { |
| super(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public Object execute(final ExecutionEvent pEvent) throws ExecutionException { |
| |
| // The dashboard could be opened when the current selection: |
| // - is in the Project Explorer, for a Chess project or a CDO project |
| // - is in an opened editor, then the current Chess project can be retrieved |
| // but not yet for the CDO OpenCert project |
| // Other cases should be ignored |
| |
| // TODO: handle the opened diagram editor for CDO project |
| |
| // Get selection, filtering with UML extension to find only CHESS projects |
| SelectedFilesHelper vSelectionFileHelper = new SelectedFilesHelper(); |
| vSelectionFileHelper.setExtensionFilters(new String[] { OpenCertExtensions.UML_EXTENSION }); |
| vSelectionFileHelper.initFromEvent(pEvent); |
| |
| IProject vCurrentProjet = vSelectionFileHelper.getSelectedProject(); |
| Session vSession = null; |
| |
| // If the project could be found |
| if (Objects.nonNull(vCurrentProjet)) { |
| // Visit the project to find a graphical file and create a new session |
| ChessProjectVisitor vVisitor = new ChessProjectVisitor(); |
| |
| try { |
| vCurrentProjet.accept(vVisitor, IResource.DEPTH_ONE, IResource.NONE); |
| } catch (final CoreException pException) { |
| DashboardActivator.getDefault().getLog().log(pException.getStatus()); |
| } |
| |
| IFile vGraphicalFile = vVisitor.getFirstGraphicalFile(); |
| if (Objects.nonNull(vGraphicalFile)) { |
| URI vGraphicalFileURI = URI.createPlatformResourceURI(vGraphicalFile.getFullPath().toOSString(), true); |
| |
| // Create a new session |
| vSession = SessionManager.INSTANCE.openSession(vGraphicalFileURI, new NullProgressMonitor(), null); |
| } |
| } else { |
| // Otherwise, the selected element could be a CDOResource (for OpenCert project) |
| Object vSelectedObject = getFirstSelectionObject(pEvent); |
| if (vSelectedObject instanceof CDOResource) { |
| // TODO: handle the CDO resource |
| } |
| } |
| |
| // Finally, if a session is found or created, open the corresponding activity explorer |
| if (Objects.nonNull(vSession)) { |
| OpenSessionAction.openActivityExplorer(vSession); |
| } else { |
| // Otherwise, open the dashboard for a null session |
| IWorkbenchPage vActivePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(); |
| try { |
| vActivePage.openEditor(new ActivityExplorerEditorInput(null, null), ActivityExplorerEditor.ID); |
| } catch (PartInitException pException) { |
| DashboardActivator.getDefault().getLog().log(pException.getStatus()); |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Get the first selection object from an execution event. |
| * |
| * @param pEvent |
| * The execution event |
| * @return The first selected object |
| */ |
| private Object getFirstSelectionObject(final ExecutionEvent pEvent) { |
| |
| Object vFirstSelectedObject = null; |
| |
| IWorkbenchWindow vWorkenchWindow = HandlerUtil.getActiveWorkbenchWindow(pEvent); |
| |
| if (Objects.nonNull(vWorkenchWindow)) { |
| ISelection vCurrentSelection = vWorkenchWindow.getSelectionService().getSelection(); |
| |
| if (vCurrentSelection instanceof ITreeSelection) { |
| vFirstSelectedObject = ((ITreeSelection) vCurrentSelection).getFirstElement(); |
| } |
| } |
| |
| return vFirstSelectedObject; |
| } |
| } |