core/org.eclipse.stem.definitions/src/org/eclipse/stem/definitions/edges/provider/PopulationEdgeItemProvider.java

/*******************************************************************************
 * Copyright (c) 2009,2010 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.stem.definitions.edges.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.common.util.URI;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.eclipse.stem.core.graph.GraphPackage;
import org.eclipse.stem.core.graph.provider.EdgeItemProvider;
import org.eclipse.stem.definitions.edges.EdgesFactory;
import org.eclipse.stem.definitions.edges.EdgesPackage;
import org.eclipse.stem.definitions.edges.PopulationEdge;
import org.eclipse.stem.definitions.labels.LabelsFactory;

/**
 * This is the item provider adapter for a {@link org.eclipse.stem.definitions.edges.PopulationEdge} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class PopulationEdgeItemProvider
	extends EdgeItemProvider
	implements
		IEditingDomainItemProvider,
		IStructuredItemContentProvider,
		ITreeItemContentProvider,
		IItemLabelProvider,
		IItemPropertySource {
	/**
	 * This constructs an instance from a factory and a notifier.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public PopulationEdgeItemProvider(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);

			addPopulationIdentifierPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Population Identifier feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addPopulationIdentifierPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_PopulationEdge_populationIdentifier_feature"), //$NON-NLS-1$
				 getString("_UI_PropertyDescriptor_description", "_UI_PopulationEdge_populationIdentifier_feature", "_UI_PopulationEdge_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				 EdgesPackage.Literals.POPULATION_EDGE__POPULATION_IDENTIFIER,
				 true,
				 false,
				 false,
				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
				 null,
				 null));
	}

	/**
	 * This returns PopulationEdge.gif.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object getImage(Object object) {
		return overlayImage(object, getResourceLocator().getImage("full/obj16/PopulationEdge")); //$NON-NLS-1$
	}

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	@Override
	public String getText(Object object) {
		return super.getText(object);
	}
	
	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String getTextGen(Object object) {
		URI labelValue = ((PopulationEdge)object).getURI();
		String label = labelValue == null ? null : labelValue.toString();
		return label == null || label.length() == 0 ?
			getString("_UI_PopulationEdge_type") : //$NON-NLS-1$
			getString("_UI_PopulationEdge_type") + " " + label; //$NON-NLS-1$ //$NON-NLS-2$
	}

	/**
	 * 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);

		switch (notification.getFeatureID(PopulationEdge.class)) {
			case EdgesPackage.POPULATION_EDGE__POPULATION_IDENTIFIER:
				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
				return;
		}
		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);

		newChildDescriptors.add
			(createChildParameter
				(GraphPackage.Literals.EDGE__LABEL,
				 EdgesFactory.eINSTANCE.createMigrationEdgeLabel()));

		newChildDescriptors.add
			(createChildParameter
				(GraphPackage.Literals.EDGE__LABEL,
				 EdgesFactory.eINSTANCE.createMixingEdgeLabel()));

		newChildDescriptors.add
			(createChildParameter
				(GraphPackage.Literals.EDGE__LABEL,
				 LabelsFactory.eINSTANCE.createCommonBorderRelationshipLabel()));

		newChildDescriptors.add
			(createChildParameter
				(GraphPackage.Literals.EDGE__LABEL,
				 LabelsFactory.eINSTANCE.createRelativePhysicalRelationshipLabel()));

		newChildDescriptors.add
			(createChildParameter
				(GraphPackage.Literals.EDGE__LABEL,
				 LabelsFactory.eINSTANCE.createTransportRelationshipLabel()));

		newChildDescriptors.add
			(createChildParameter
				(GraphPackage.Literals.EDGE__LABEL,
				 LabelsFactory.eINSTANCE.createRoadTransportRelationshipLabel()));
	}

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

}