| /******************************************************************************* |
| * Copyright (c) 2008, 2009 Versant Corp. 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: |
| * Markus Alexander Kuppe (Versant Corp.) - https://bugs.eclipse.org/248103 |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.views.properties; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.ui.IPageLayout; |
| import org.eclipse.ui.IViewReference; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| import org.eclipse.ui.part.IShowInSource; |
| import org.eclipse.ui.part.ShowInContext; |
| |
| /** |
| * @since 3.4 |
| */ |
| public class NewPropertySheetHandler extends AbstractHandler { |
| |
| /** |
| * Command id |
| */ |
| public static final String ID = "org.eclipse.ui.views.properties.NewPropertySheetCommand"; //$NON-NLS-1$ |
| |
| /** |
| * Whether new PVs are pinned when newly opened |
| */ |
| private static final boolean PIN_NEW_PROPERTY_VIEW = Boolean.valueOf(System.getProperty("org.eclipse.ui.views.properties.pinNewPV", Boolean.FALSE.toString())).booleanValue(); //$NON-NLS-1$ |
| |
| /** |
| * First tries to find a suitable instance to reuse for the given context, |
| * then creates a new instance if necessary. |
| * |
| * @param event |
| * @return an instance for the given context |
| * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent) |
| */ |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| IWorkbenchPart activePart = HandlerUtil.getActivePartChecked(event); |
| |
| PropertyShowInContext context = getShowInContext(event); |
| try { |
| PropertySheet sheet = findPropertySheet(event, context); |
| sheet.show(context); |
| if (activePart instanceof PropertySheet) { |
| PropertySheet parent = (PropertySheet) activePart; |
| parent.setPinned(true); |
| } else if(!sheet.isPinned()) { |
| sheet.setPinned(PIN_NEW_PROPERTY_VIEW); |
| } |
| } catch (PartInitException e) { |
| throw new ExecutionException("Part could not be initialized", e); //$NON-NLS-1$ |
| } |
| return null; |
| } |
| |
| /** |
| * @param event |
| * {@link ExecutionEvent} for which the |
| * {@link PropertyShowInContext} is requested |
| * @return a {@link PropertyShowInContext} containing the the |
| * {@link ISelection} and {@link IWorkbenchPart} for the given |
| * {@link ExecutionEvent} |
| * @throws ExecutionException |
| */ |
| protected PropertyShowInContext getShowInContext(ExecutionEvent event) |
| throws ExecutionException { |
| IWorkbenchPart activePart = HandlerUtil.getActivePartChecked(event); |
| if (activePart instanceof PropertySheet) { |
| PropertySheet sheet = (PropertySheet) activePart; |
| return (PropertyShowInContext) sheet.getShowInContext(); |
| } |
| IShowInSource adapter = (IShowInSource) activePart |
| .getAdapter(IShowInSource.class); |
| if (adapter != null) { |
| ShowInContext showInContext = adapter.getShowInContext(); |
| return new PropertyShowInContext(activePart, showInContext); |
| } |
| return new PropertyShowInContext(activePart, HandlerUtil |
| .getShowInSelection(event)); |
| } |
| |
| /** |
| * Returns a PropertySheet instance |
| * |
| * @param event |
| * @param context |
| * a {@link ShowInContext} to handle |
| * @return a PropertySheet that can handle the given {@link ShowInContext} |
| * @throws PartInitException |
| * @throws ExecutionException |
| */ |
| protected PropertySheet findPropertySheet(ExecutionEvent event, |
| PropertyShowInContext context) throws PartInitException, |
| ExecutionException { |
| IWorkbenchPage page = HandlerUtil.getActivePartChecked(event).getSite() |
| .getPage(); |
| String secondaryId = null; |
| if (HandlerUtil.getActivePart(event) instanceof PropertySheet) { |
| secondaryId = Long.toString(System.currentTimeMillis()); |
| } else { |
| IViewReference[] refs = page.getViewReferences(); |
| for (int i = 0; i < refs.length; i++) { |
| IViewReference viewReference = refs[i]; |
| if (IPageLayout.ID_PROP_SHEET.equals(viewReference.getId())) { |
| secondaryId = Long.toString(System.currentTimeMillis()); |
| PropertySheet sheet = (PropertySheet) viewReference |
| .getView(true); |
| if (!sheet.isPinned() |
| || (sheet.isPinned() && sheet.getShowInContext() |
| .equals(context))) { |
| secondaryId = sheet.getViewSite().getSecondaryId(); |
| break; |
| } |
| } |
| } |
| } |
| return (PropertySheet) page.showView(IPageLayout.ID_PROP_SHEET, |
| secondaryId, IWorkbenchPage.VIEW_ACTIVATE); |
| } |
| } |