| /******************************************************************************* |
| * Copyright (c) 2006 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.ui.examples.views.properties.tabbed.hockeyleague.ui.properties; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.examples.views.properties.tabbed.hockeyleague.GoalieStats; |
| import org.eclipse.ui.examples.views.properties.tabbed.hockeyleague.PlayerStats; |
| import org.eclipse.ui.examples.views.properties.tabbed.hockeyleague.ui.editor.HockeyleagueEditor; |
| |
| /** |
| * Label provider for the title bar for the tabbed property sheet page. |
| * |
| * @author Anthony Hunter |
| */ |
| public class HockeyleagueLabelProvider |
| extends LabelProvider { |
| |
| private AdapterFactoryLabelProvider adapterFactoryLabelProvider; |
| |
| /** |
| * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object) |
| */ |
| public Image getImage(Object element) { |
| if (element == null || element.equals(StructuredSelection.EMPTY)) { |
| return null; |
| } |
| if (element instanceof IStructuredSelection) { |
| IStructuredSelection structuredSelection = (IStructuredSelection) element; |
| if (areDifferentTypes(structuredSelection)) { |
| return null; |
| } |
| element = structuredSelection.getFirstElement(); |
| } |
| if (element instanceof EObject || element instanceof Resource) { |
| return getAdapterFactoryLabelProvider().getImage(element); |
| } |
| return null; |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object) |
| */ |
| public String getText(Object element) { |
| if (element == null || element.equals(StructuredSelection.EMPTY)) { |
| return null; |
| } |
| int size = 1; |
| if (element instanceof IStructuredSelection) { |
| IStructuredSelection structuredSelection = (IStructuredSelection) element; |
| if (areDifferentTypes(structuredSelection)) { |
| return structuredSelection.size() + " items selected";//$NON-NLS-1$ |
| } |
| element = structuredSelection.getFirstElement(); |
| size = structuredSelection.size(); |
| } |
| if (element instanceof EObject) { |
| String split[] = getAdapterFactoryLabelProvider().getText(element) |
| .split(" ");//$NON-NLS-1$ |
| StringBuffer type = new StringBuffer(); |
| StringBuffer name = new StringBuffer(); |
| for (int i = 0; i < split.length; i++) { |
| if (i == 0) { |
| type.append('\u00AB'); |
| type.append(split[i]); |
| if (!(element instanceof PlayerStats || element instanceof GoalieStats)) { |
| type.append('\u00BB'); |
| } |
| } else if ((i == 1 && (element instanceof PlayerStats || element instanceof GoalieStats))) { |
| type.append(' '); |
| type.append(split[i]); |
| type.append('\u00BB'); |
| } else { |
| name.append(split[i]); |
| name.append(' '); |
| } |
| } |
| if (size == 1) { |
| type.append(' '); |
| type.append(name); |
| } else { |
| type.append(' '); |
| type.append(Integer.toString(size)); |
| type.append(" selected");//$NON-NLS-1$ |
| } |
| return type.toString(); |
| } else if (element instanceof Resource) { |
| return "\u00ABResource\u00BB";//$NON-NLS-1$ |
| } |
| return null; |
| } |
| |
| /** |
| * @return |
| */ |
| private AdapterFactoryLabelProvider getAdapterFactoryLabelProvider() { |
| if (adapterFactoryLabelProvider == null) { |
| adapterFactoryLabelProvider = new AdapterFactoryLabelProvider( |
| ((HockeyleagueEditor) PlatformUI.getWorkbench() |
| .getActiveWorkbenchWindow().getActivePage() |
| .getActiveEditor()).getAdapterFactory()); |
| } |
| return adapterFactoryLabelProvider; |
| } |
| |
| /** |
| * Determine there are objects in the structured selection of different |
| * types. |
| * |
| * @param structuredSelection |
| * the structured selection. |
| * @return true if there are objects of different types in the selection. |
| */ |
| private boolean areDifferentTypes(IStructuredSelection structuredSelection) { |
| if (structuredSelection.size() == 1) { |
| return false; |
| } |
| Iterator i = structuredSelection.iterator(); |
| Object element = i.next(); |
| for (; i.hasNext();) { |
| if (i.next().getClass() != element.getClass()) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| } |