AttributeItemProvider.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package org.obeonetwork.dsl.entityrelation.provider;


import java.util.ArrayList;
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.ecore.EStructuralFeature;
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.emf.edit.ui.provider.AdapterFactoryLabelProvider;
import org.obeonetwork.dsl.entityrelation.Attribute;
import org.obeonetwork.dsl.entityrelation.Entity;
import org.obeonetwork.dsl.entityrelation.EntityRelationPackage;
import org.obeonetwork.dsl.entityrelation.Identifier;
import org.obeonetwork.dsl.typeslibrary.TypesLibraryFactory;
import org.obeonetwork.dsl.typeslibrary.provider.TypesLibraryItemProviderAdapterFactory;

/**
 * This is the item provider adapter for a {@link org.obeonetwork.dsl.entityrelation.Attribute} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class AttributeItemProvider
	extends NamedElementItemProvider
	implements
		IEditingDomainItemProvider,
		IStructuredItemContentProvider,
		ITreeItemContentProvider,
		IItemLabelProvider,
		IItemPropertySource {
	/**
	 * This constructs an instance from a factory and a notifier.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public AttributeItemProvider(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);

			addTypePropertyDescriptor(object);
			addRequiredPropertyDescriptor(object);
			addUsedInIdentifierPropertyDescriptor(object);
			addInPrimaryIdentifierPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Type feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addTypePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_Attribute_type_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_Attribute_type_feature", "_UI_Attribute_type"),
				 EntityRelationPackage.Literals.ATTRIBUTE__TYPE,
				 true,
				 false,
				 false,
				 null,
				 null,
				 null));
	}

	/**
	 * This adds a property descriptor for the Required feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addRequiredPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_Attribute_required_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_Attribute_required_feature", "_UI_Attribute_type"),
				 EntityRelationPackage.Literals.ATTRIBUTE__REQUIRED,
				 true,
				 false,
				 false,
				 ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE,
				 null,
				 null));
	}

	/**
	 * This adds a property descriptor for the Used In Identifier feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	protected void addUsedInIdentifierPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(new ItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_Attribute_usedInIdentifier_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_Attribute_usedInIdentifier_feature", "_UI_Attribute_type"),
				 EntityRelationPackage.Literals.ATTRIBUTE__USED_IN_IDENTIFIER,
				 true,
				 false,
				 true,
				 null,
				 null,
				 null) {
				@Override
				public Collection<?> getChoiceOfValues(Object object) {
					Attribute attribute = (Attribute)object;
					if (attribute.eContainer() != null) {
						Entity entity = (Entity)attribute.eContainer();
						return entity.getIdentifiers();
					}
					return new ArrayList<Identifier>();
				}		
			});
	}

	/**
	 * This adds a property descriptor for the In Primary Identifier feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addInPrimaryIdentifierPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_Attribute_inPrimaryIdentifier_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_Attribute_inPrimaryIdentifier_feature", "_UI_Attribute_type"),
				 EntityRelationPackage.Literals.ATTRIBUTE__IN_PRIMARY_IDENTIFIER,
				 true,
				 false,
				 false,
				 ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE,
				 null,
				 null));
	}

	/**
	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
		if (childrenFeatures == null) {
			super.getChildrenFeatures(object);
			childrenFeatures.add(EntityRelationPackage.Literals.ATTRIBUTE__TYPE);
		}
		return childrenFeatures;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EStructuralFeature getChildFeature(Object object, Object child) {
		// Check the type of the specified child object and return the proper feature to use for
		// adding (see {@link AddCommand}) it as a child.

		return super.getChildFeature(object, child);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected boolean shouldComposeCreationImage() {
		return true;
	}

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	@Override
	public String getText(Object object) {
		
		String label = "";
		Attribute attribute = (Attribute)object;
		label += attribute.getName();
		if (label == null || label.length() == 0) {
			label = "#NONAME#";
		}
		
		String typeLabel = "";
		if (attribute.getType() != null) {
			AdapterFactoryLabelProvider aflp = new AdapterFactoryLabelProvider(new TypesLibraryItemProviderAdapterFactory());
			typeLabel = aflp.getText(attribute.getType());
		}
		if (typeLabel != null && typeLabel.length() != 0) {
			label += " : " + typeLabel;
		}
		
		return 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);

		switch (notification.getFeatureID(Attribute.class)) {
			case EntityRelationPackage.ATTRIBUTE__REQUIRED:
			case EntityRelationPackage.ATTRIBUTE__IN_PRIMARY_IDENTIFIER:
				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
				return;
			case EntityRelationPackage.ATTRIBUTE__TYPE:
				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
				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
				(EntityRelationPackage.Literals.ATTRIBUTE__TYPE,
				 TypesLibraryFactory.eINSTANCE.createTypeInstance()));

		newChildDescriptors.add
			(createChildParameter
				(EntityRelationPackage.Literals.ATTRIBUTE__TYPE,
				 TypesLibraryFactory.eINSTANCE.createUserDefinedTypeRef()));
	}

}