| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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.wst.xsd.ui.internal.provider; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.edit.provider.IChangeNotifier; |
| import org.eclipse.emf.edit.provider.INotifyChangedListener; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.ILabelProviderListener; |
| import org.eclipse.jface.viewers.ITableLabelProvider; |
| import org.eclipse.swt.graphics.Image; |
| |
| public class XSDAdapterFactoryLabelProvider implements ILabelProvider, INotifyChangedListener, ITableLabelProvider |
| { |
| protected XSDModelAdapterFactoryImpl adapterFactory; |
| protected Collection labelProviderListeners; |
| |
| private static final Class ILabelProviderClass = ILabelProvider.class; |
| private static final Class ITableLabelProviderClass = ITableLabelProvider.class; |
| |
| /** |
| * |
| */ |
| public XSDAdapterFactoryLabelProvider(XSDModelAdapterFactoryImpl adapterFactory) |
| { |
| this.adapterFactory = adapterFactory; |
| // if (adapterFactory instanceof IChangeNotifier) |
| // { |
| // ((IChangeNotifier)adapterFactory).addListener(this); |
| // } |
| |
| labelProviderListeners = new ArrayList(); |
| } |
| |
| /** |
| * Return the wrapped AdapterFactory. |
| */ |
| public AdapterFactory getAdapterFactory() |
| { |
| return adapterFactory; |
| } |
| |
| /** |
| * Set the wrapped AdapterFactory. |
| */ |
| public void setAdapterFactory(XSDModelAdapterFactoryImpl adapterFactory) |
| { |
| if (this.adapterFactory instanceof IChangeNotifier) |
| { |
| ((IChangeNotifier)this.adapterFactory).removeListener(this); |
| } |
| |
| if (adapterFactory instanceof IChangeNotifier) |
| { |
| ((IChangeNotifier)adapterFactory).addListener(this); |
| } |
| |
| this.adapterFactory = adapterFactory; |
| } |
| |
| /** |
| * Since we won't ever generate these notifications, we can just ignore this. |
| */ |
| public void addListener(ILabelProviderListener listener) |
| { |
| labelProviderListeners.add(listener); |
| } |
| |
| /** |
| * Since we won't ever add listeners, we can just ignore this. |
| */ |
| public void removeListener(ILabelProviderListener listener) |
| { |
| labelProviderListeners.remove(listener); |
| } |
| |
| /** |
| * This discards the content provider and removes this as a listener to the {@link #adapterFactory}. |
| */ |
| public void dispose() |
| { |
| if (this.adapterFactory instanceof IChangeNotifier) |
| { |
| ((IChangeNotifier)adapterFactory).removeListener(this); |
| } |
| } |
| |
| /** |
| * This always returns true right now. |
| */ |
| public boolean isLabelProperty(Object object, String id) |
| { |
| return true; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object) |
| */ |
| public Image getImage(Object object) |
| { |
| ILabelProvider labelProvider = (ILabelProvider)adapterFactory.adapt(object, ILabelProviderClass); |
| |
| return |
| labelProvider != null ? |
| labelProvider.getImage(object) : null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object) |
| */ |
| public String getText(Object object) |
| { |
| // Get the adapter from the factory. |
| // |
| ILabelProvider labelProvider = (ILabelProvider)adapterFactory.adapt(object, ILabelProviderClass); |
| |
| return |
| labelProvider != null ? |
| labelProvider.getText(object) : |
| object == null ? |
| "" : |
| object.toString(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.emf.edit.provider.INotifyChangedListener#notifyChanged(org.eclipse.emf.common.notify.Notification) |
| */ |
| public void notifyChanged(Notification notification) |
| { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int) |
| */ |
| public Image getColumnImage(Object element, int columnIndex) |
| { |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int) |
| */ |
| public String getColumnText(Object element, int columnIndex) |
| { |
| return null; |
| } |
| |
| } |