DiagramDiffItemProvider.java

/**
 * Copyright (c) 2013 Obeo.
 * 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:
 *     Obeo - initial API and implementation
 */
package org.eclipse.emf.compare.diagram.internal.extensions.provider;

import java.util.Collection;
import java.util.List;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.ResourceLocator;
import org.eclipse.emf.compare.DifferenceKind;
import org.eclipse.emf.compare.diagram.internal.extensions.DiagramDiff;
import org.eclipse.emf.compare.diagram.internal.extensions.ExtensionsPackage;
import org.eclipse.emf.compare.provider.DiffItemProvider;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;

/**
 * This is the item provider adapter for a {@link org.eclipse.emf.compare.diagram.internal.extensions.DiagramDiff} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class DiagramDiffItemProvider extends DiffItemProvider {
	/**
	 * This constructs an instance from a factory and a notifier. <!-- begin-user-doc --> <!-- end-user-doc
	 * -->
	 * 
	 * @generated
	 */
	public DiagramDiffItemProvider(AdapterFactory adapterFactory) {
		super(adapterFactory);
	}

	/**
	 * This returns the property descriptors for the adapted class. <!-- begin-user-doc --> <!-- end-user-doc
	 * -->
	 * 
	 * @generated
	 */
	@Override
	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
		if (itemPropertyDescriptors == null) {
			super.getPropertyDescriptors(object);

			addSemanticDiffPropertyDescriptor(object);
			addViewPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Semantic Diff feature.
	 * <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * @generated
	 */
	protected void addSemanticDiffPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_DiagramDiff_semanticDiff_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_DiagramDiff_semanticDiff_feature", "_UI_DiagramDiff_type"),
				 ExtensionsPackage.Literals.DIAGRAM_DIFF__SEMANTIC_DIFF,
				 true,
				 false,
				 true,
				 null,
				 null,
				 null));
	}

	/**
	 * This adds a property descriptor for the View feature.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	protected void addViewPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_DiagramDiff_view_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_DiagramDiff_view_feature", "_UI_DiagramDiff_type"),
				 ExtensionsPackage.Literals.DIAGRAM_DIFF__VIEW,
				 true,
				 false,
				 true,
				 null,
				 null,
				 null));
	}

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String getText(Object object) {
		DifferenceKind labelValue = ((DiagramDiff)object).getKind();
		String label = labelValue == null ? null : labelValue.toString();
		return label == null || label.length() == 0 ?
			getString("_UI_DiagramDiff_type") :
			getString("_UI_DiagramDiff_type") + " " + label;
	}

	/**
	 * This handles model notifications by calling {@link #updateChildren} to update any cached
	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
	 * <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void notifyChanged(Notification notification) {
		updateChildren(notification);
		super.notifyChanged(notification);
	}

	/**
	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
	 * that can be created under this object.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
		super.collectNewChildDescriptors(newChildDescriptors, object);
	}

	/**
	 * Return the resource locator for this item provider's resources.
	 * <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * @generated
	 */
	@Override
	public ResourceLocator getResourceLocator() {
		return ExtensionsEditPlugin.INSTANCE;
	}

	/**
	 * Accessor to org.eclipse.emf.edit.provider.ItemProviderAdapter#overlayImage(Object, Object) method.
	 * 
	 * @param object
	 *            The target object.
	 * @param image
	 *            The image to modify.
	 * @return The modified image.
	 */
	public Object getOverlayImage(Object object, Object image) {
		return overlayImage(object, image);
	}

}