Java tutorial
/* uDig - User Friendly Desktop Internet GIS client * http://udig.refractions.net * (C) 2004, Refractions Research Inc. * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD * License v1.0 (http://udig.refractions.net/files/bsd3-v10.html). */ package org.locationtech.udig.project.ui.internal.handlers; import org.eclipse.core.commands.AbstractHandler; import org.eclipse.core.commands.ExecutionEvent; import org.eclipse.core.commands.ExecutionException; import org.eclipse.core.commands.IHandler; import org.eclipse.jface.preference.PreferenceDialog; import org.eclipse.jface.viewers.ISelectionProvider; import org.eclipse.jface.window.IShellProvider; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.dialogs.PropertyDialogAction; import org.eclipse.ui.handlers.HandlerUtil; /** * A command hander for the LayerProperties command. * * @author jesse * @since 1.1.0 */ public class LayerPropertiesCommandHandler extends AbstractHandler implements IHandler { public Object execute(final ExecutionEvent event) throws ExecutionException { final IWorkbenchWindow activeWorkbenchWindow = HandlerUtil.getActiveWorkbenchWindow(event); IShellProvider shellProvider = new IShellProvider() { public Shell getShell() { return new Shell(activeWorkbenchWindow.getShell()); } }; IWorkbenchPart activePart = activeWorkbenchWindow.getActivePage().getActivePart(); ISelectionProvider selectionProvider = activePart.getSite().getSelectionProvider(); PropertyDialogAction action = new org.eclipse.ui.dialogs.PropertyDialogAction(shellProvider, selectionProvider); PreferenceDialog dialog = action.createDialog(); dialog.open(); return null; } }