/*******************************************************************************
 * Copyright (c) 2007, 2010 BMW Car IT, Technische Universitaet Muenchen, 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:
 * BMW Car IT - Initial API and implementation
 * Technische Universitaet Muenchen - Major refactoring and extension
 *******************************************************************************/
package org.eclipse.emf.edapt.spi.history.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.ecore.EStructuralFeature;
import org.eclipse.emf.edapt.spi.history.HistoryFactory;
import org.eclipse.emf.edapt.spi.history.HistoryPackage;
import org.eclipse.emf.edapt.spi.history.ParameterInstance;
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;

/**
 * This is the item provider adapter for a {@link org.eclipse.emf.edapt.spi.history.ParameterInstance} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 *
 * @generated
 */
public class ParameterInstanceItemProvider
	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 ParameterInstanceItemProvider(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);

			addValuePropertyDescriptor(object);
			addDataValuePropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Value feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	protected void addValuePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
			(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_ParameterInstance_value_feature"), //$NON-NLS-1$
				getString("_UI_PropertyDescriptor_description", "_UI_ParameterInstance_value_feature", //$NON-NLS-1$ //$NON-NLS-2$
					"_UI_ParameterInstance_type"), //$NON-NLS-1$
				HistoryPackage.Literals.PARAMETER_INSTANCE__VALUE,
				true,
				false,
				false,
				ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
				null,
				null));
	}

	/**
	 * This adds a property descriptor for the Data Value feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	protected void addDataValuePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
			(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_ParameterInstance_dataValue_feature"), //$NON-NLS-1$
				getString("_UI_PropertyDescriptor_description", "_UI_ParameterInstance_dataValue_feature", //$NON-NLS-1$ //$NON-NLS-2$
					"_UI_ParameterInstance_type"), //$NON-NLS-1$
				HistoryPackage.Literals.PARAMETER_INSTANCE__DATA_VALUE,
				true,
				false,
				false,
				ItemPropertyDescriptor.GENERIC_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(HistoryPackage.Literals.PARAMETER_INSTANCE__REFERENCE_VALUE);
		}
		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 ParameterInstance.gif.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public Object getImage(Object object) {
		return overlayImage(object, getResourceLocator().getImage("full/obj16/ParameterInstance")); //$NON-NLS-1$
	}

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public String getText(Object object) {
		final String label = ((ParameterInstance) object).getName();
		return label == null || label.length() == 0 ?
			getString("_UI_ParameterInstance_type") : //$NON-NLS-1$
			getString("_UI_ParameterInstance_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(ParameterInstance.class)) {
		case HistoryPackage.PARAMETER_INSTANCE__VALUE:
		case HistoryPackage.PARAMETER_INSTANCE__DATA_VALUE:
			fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
			return;
		case HistoryPackage.PARAMETER_INSTANCE__REFERENCE_VALUE:
			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
			(HistoryPackage.Literals.PARAMETER_INSTANCE__REFERENCE_VALUE,
				HistoryFactory.eINSTANCE.createModelReference()));
	}

}