| /******************************************************************************* |
| * Copyright (c) 2014, 2018 Obeo and others. |
| * 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 |
| * http://www.eclipse.org/legal/epl-v20.html |
| * |
| * Contributors: |
| * Obeo - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ocl.examples.emf.validation.validity.ui.actions; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.ocl.examples.emf.validation.validity.ui.view.ValidityView; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.ISources; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IViewReference; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchPartSite; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| import org.eclipse.ui.part.EditorPart; |
| |
| public class ShowValidityViewHandler extends AbstractHandler { |
| |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| Object applicationContext = event.getApplicationContext(); |
| Object editorPart = HandlerUtil.getVariable(applicationContext, ISources.ACTIVE_EDITOR_NAME); |
| Object shell = HandlerUtil.getVariable(applicationContext, ISources.ACTIVE_SHELL_NAME); |
| if (!(shell instanceof Shell) || !(editorPart instanceof EditorPart)) { |
| return null; |
| } |
| |
| EditorPart editorPartInstance = (EditorPart) editorPart; |
| IWorkbenchPartSite site = editorPartInstance.getSite(); |
| updateValidityView(site, true, true); |
| |
| return null; |
| } |
| |
| /** |
| * Finds an opened validity view, opening a new one if it is not opened and <code>openAsNeeded</code> is |
| * <code>true</code>, then update its content according to the current site's selection and optionally |
| * re-run the validation. |
| * |
| * @param site The workbench site which validity view should be refreshed. |
| * @param openAsNeeded If <code>true</code>, we will try and open the validity view in case in is not currently displayed. |
| * @param runValidation If <code>true</code>, we will relaunch the validation on the new content of the view. |
| */ |
| private void updateValidityView(IWorkbenchPartSite site, boolean openAsNeeded, boolean runValidation) { |
| IViewReference[] openViews = site.getPage().getViewReferences(); |
| if (isValidityViewOpen(openViews) || openAsNeeded) { |
| try { |
| site.getPage().showView(ValidityView.ID); |
| } catch (PartInitException e) { |
| // Failed to show the validity view |
| return; |
| } |
| } else { |
| return; |
| } |
| |
| IWorkbenchPart part = site.getPart(); |
| IViewReference validityViewReference = site.getPage().findViewReference(ValidityView.ID, null); |
| IViewPart viewPart = validityViewReference.getView(true); |
| if (viewPart instanceof ValidityView) { |
| ValidityView validityView = (ValidityView) viewPart; |
| validityView.selectionChanged(part, site.getSelectionProvider().getSelection()); |
| |
| if (runValidation) { |
| RunValidityAction runValidationAction = new RunValidityAction(validityView, null); |
| runValidationAction.run(); |
| } |
| } |
| viewPart.setFocus(); |
| } |
| |
| private boolean isValidityViewOpen(IViewReference[] openViews) { |
| for(IViewReference view : openViews){ |
| if (ValidityView.ID.equals(view.getId())){ |
| return true; |
| } |
| } |
| return false; |
| } |
| } |