| // AbstractRelativeValueColorProviderAdapterFactory.java |
| package org.eclipse.stem.ui.adapters.color; |
| |
| /******************************************************************************* |
| * 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 |
| *******************************************************************************/ |
| |
| import java.util.List; |
| import java.util.concurrent.CopyOnWriteArrayList; |
| |
| import org.eclipse.core.runtime.Preferences; |
| import org.eclipse.emf.common.notify.Adapter; |
| import org.eclipse.emf.edit.provider.ComposeableAdapterFactory; |
| import org.eclipse.emf.edit.provider.ComposedAdapterFactory; |
| import org.eclipse.emf.edit.provider.ItemPropertyDescriptor; |
| import org.eclipse.stem.core.model.Decorator; |
| import org.eclipse.stem.ui.Activator; |
| import org.eclipse.swt.widgets.Composite; |
| |
| /** |
| * This is an abstract class that Relative Value Color Provider Adapter Factories should extend. |
| * It holds the common information for all color providers and has few abstract methods |
| * that the concrete class should override. |
| */ |
| public abstract class AbstractRelativeValueColorProviderAdapterFactory |
| extends AbstractColorProviderAdapterFactory { |
| |
| /** |
| * This is the properties composite that will be contributed to the view |
| */ |
| protected Composite propertiesComposite; |
| /** |
| * A list of {@link PropertySelectionListener}s to be notified about |
| * property selection events |
| */ |
| private final List<PropertySelectionListener> propertySelectionListeners = new CopyOnWriteArrayList<PropertySelectionListener>(); |
| /** |
| * The currently selected {@link ItemPropertyDescriptor} |
| */ |
| protected ItemPropertyDescriptor selectedProperty = null; |
| |
| /** |
| * @see org.eclipse.stem.ui.adapters.color.AbstractColorProviderAdapterFactory#isFactoryForType(java.lang.Object) |
| */ |
| @Override |
| public boolean isFactoryForType(Object type) { |
| return type == RelativeValueColorProvider.class; |
| } // isFactoryForType |
| |
| /** |
| * @see org.eclipse.stem.core.graph.util.GraphAdapterFactory#createGraphAdapter() |
| */ |
| @Override |
| public Adapter createGraphAdapter() { |
| return createNodeAdapter(); |
| } // createGraphAdapter |
| |
| /** |
| * @see org.eclipse.emf.edit.provider.ComposeableAdapterFactory#getRootAdapterFactory() |
| */ |
| public ComposeableAdapterFactory getRootAdapterFactory() { |
| // TODO Auto-generated method stub |
| return null; |
| } // getRootAdapterFactory |
| |
| /** |
| * @see org.eclipse.emf.edit.provider.ComposeableAdapterFactory#setParentAdapterFactory(org.eclipse.emf.edit.provider.ComposedAdapterFactory) |
| */ |
| public void setParentAdapterFactory(@SuppressWarnings("unused") |
| ComposedAdapterFactory parent) { |
| // TODO Auto-generated method stub |
| } // setParentAdapterFactory |
| |
| /** |
| * @see org.eclipse.stem.ui.adapters.color.IColorProviderAdapterFactory#createPropertiesComposite(org.eclipse.swt.widgets.Composite, int, org.eclipse.stem.core.model.Decorator) |
| */ |
| public abstract Composite createPropertiesComposite(final Composite parent, final int style, final Decorator selectedDecorator); |
| |
| /** |
| * @see org.eclipse.stem.ui.adapters.color.IColorProviderAdapterFactory#createColorsLegendComposite(org.eclipse.swt.widgets.Composite, int) |
| */ |
| public abstract Composite createColorsLegendComposite(Composite parent, int style); |
| |
| /** |
| * @see org.eclipse.stem.ui.adapters.color.IColorProviderAdapterFactory#getPropertiesComposite() |
| */ |
| public Composite getPropertiesComposite() { |
| return propertiesComposite; |
| } // getPropertiesComposite |
| |
| protected String getPreferenceValue(final String prefId) { |
| final Preferences prefs = Activator.getDefault().getPluginPreferences(); |
| return prefs.getString(prefId); |
| } // getPreferenceValue |
| |
| /** |
| * This interface is implemented by classes that wish to be notified |
| * whenever a property is selected in this widget. |
| */ |
| public interface PropertySelectionListener { |
| /** |
| * @param selectedProperty |
| */ |
| void propertySelected(ItemPropertyDescriptor selectedProperty); |
| } // PropertySelectionListener |
| |
| /** |
| * @param listener |
| */ |
| public void addPropertySelectionListener( |
| final PropertySelectionListener listener) { |
| propertySelectionListeners.add(listener); |
| } // addPropertySelectionListener |
| |
| /** |
| * @param listener |
| */ |
| public void removePropertySelectionListener( |
| final PropertySelectionListener listener) { |
| propertySelectionListeners.remove(listener); |
| } // removePropertySelectionListener |
| |
| /** |
| * @param selectedProperty |
| */ |
| public void firePropertySelectionListener(ItemPropertyDescriptor selectedProperty) { |
| for (final PropertySelectionListener listener : propertySelectionListeners) { |
| listener.propertySelected(selectedProperty); |
| } // for each PropertySelectionListener |
| } // firePropertySelectionEvent |
| |
| } // AbstractRelativeValueColorProviderAdapterFactory |