| // DecoratorsView.java |
| package org.eclipse.stem.ui.views; |
| |
| /******************************************************************************* |
| * Copyright (c) 2006, 2008 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 |
| *******************************************************************************/ |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.stem.core.Constants; |
| import org.eclipse.swt.graphics.Image; |
| |
| /** |
| * This class represents the eclipse view of the {@link org.eclipse.stem.core.model.Decorator}s that have |
| * been imported into eclipse as plug-ins. |
| * |
| * @see SequencersView |
| */ |
| public class DecoratorsView extends IdentifiablePluginView { |
| |
| /** |
| * The identifier of the Decorators View |
| */ |
| public static final String ID_DECORATORS_VIEW = "org.eclipse.stem.ui.views.decorators"; //$NON-NLS-1$ |
| |
| /** |
| * Default Constructor |
| */ |
| public DecoratorsView() { |
| super(); |
| } // DecoratorsView |
| |
| /** |
| */ |
| @Override |
| protected IdentifiableViewModel getInput() { |
| return DecoratorModel.getModel(); |
| } // getInput |
| |
| /** |
| * @see org.eclipse.stem.ui.views.IdentifiablePluginView#getIdentifiablePluginViewLabelContentProvider() |
| */ |
| @Override |
| protected IdentifiablePluginViewLabelContentProvider getIdentifiablePluginViewLabelContentProvider() { |
| return new DecoratorViewTreeContentProvider(); |
| } // getIdentifiablePluginViewLabelContentProvider |
| |
| /** |
| * This class represents the model of the {@link Decorator}s that extend a |
| * org.eclipse.stem.core.decorators extension point. |
| */ |
| protected static class DecoratorModel extends IdentifiableViewModel { |
| |
| // The singleton instance |
| private static DecoratorModel decModel; |
| |
| /** |
| * Constructor |
| */ |
| private DecoratorModel(final String extensionPointID) { |
| super(extensionPointID); |
| } // DecoratorModel |
| |
| /** |
| * @return the singleton instance of the model |
| */ |
| public static DecoratorModel getModel() { |
| // Do we need to make the model? |
| if (decModel == null) { |
| // Yes |
| decModel = new DecoratorModel( |
| Constants.ID_DECORATOR_EXTENSION_POINT); |
| } |
| return decModel; |
| } // getModel |
| } // DecoratorModel |
| |
| /** |
| * This class is the content provider of the decorators view. |
| */ |
| protected static class DecoratorViewTreeContentProvider extends |
| IdentifiablePluginViewLabelContentProvider { |
| |
| // This is the image used to represent decorators in the decorators view |
| static ImageDescriptor diseaseIcon = null; |
| |
| // If true then we've never tried to get the icon |
| static boolean diseaseIconFirstTime = true; |
| |
| /** |
| * @see org.eclipse.stem.ui.views.IdentifiablePluginView.IdentifiablePluginViewLabelContentProvider#getImage(java.lang.Object) |
| */ |
| @Override |
| public Image getImage(final Object element) { |
| return (element instanceof IdentifiableDelegate) ? getDiseaseIcon() |
| : super.getImage(element); |
| } // getImage |
| |
| /** |
| * @return the icon to be used to represent decorators, or null if it |
| * can't be loaded. |
| */ |
| private Image getDiseaseIcon() { |
| return null; |
| // // Should we try to load the icon? |
| // if (diseaseIconFirstTime && diseaseIcon == null) { |
| // // Yes |
| // diseaseIconFirstTime = false; |
| // diseaseIcon = AbstractUIPlugin.imageDescriptorFromPlugin( |
| // "org.eclipse.stem.ui.diseasemodels", |
| // "icons/full/custom16/" + "disease.gif"); |
| // } // if we should load the icon |
| // return diseaseIcon.createImage(); |
| } // getdiseaseIcon |
| } // DecoratorViewTreeContentProvider |
| } // DecoratorsView |