org.eclipse.e4.ui.model.workbench.edit/src/org/eclipse/e4/ui/model/application/ui/basic/provider/BasicItemProviderAdapterFactory.java

/**
 * Copyright (c) 2008, 2013 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0 
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 *      IBM Corporation - initial API and implementation
 */
package org.eclipse.e4.ui.model.application.ui.basic.provider;

import java.util.ArrayList;
import java.util.Collection;

import org.eclipse.e4.ui.model.application.ui.basic.util.BasicAdapterFactory;

import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.Notifier;

import org.eclipse.emf.edit.provider.ChangeNotifier;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.provider.IChangeNotifier;
import org.eclipse.emf.edit.provider.IDisposable;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.INotifyChangedListener;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;

/**
 * This is the factory that is used to provide the interfaces needed to support Viewers.
 * The adapters generated by this factory convert EMF adapter notifications into calls to {@link #fireNotifyChanged fireNotifyChanged}.
 * The adapters also support Eclipse property sheets.
 * Note that most of the adapters are shared among multiple instances.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class BasicItemProviderAdapterFactory extends BasicAdapterFactory implements ComposeableAdapterFactory, IChangeNotifier, IDisposable {
	/**
	 * This keeps track of the root adapter factory that delegates to this adapter factory.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ComposedAdapterFactory parentAdapterFactory;

	/**
	 * This is used to implement {@link org.eclipse.emf.edit.provider.IChangeNotifier}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected IChangeNotifier changeNotifier = new ChangeNotifier();

	/**
	 * This keeps track of all the supported types checked by {@link #isFactoryForType isFactoryForType}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected Collection<Object> supportedTypes = new ArrayList<Object>();

	/**
	 * This constructs an instance.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public BasicItemProviderAdapterFactory() {
		supportedTypes.add(IEditingDomainItemProvider.class);
		supportedTypes.add(IStructuredItemContentProvider.class);
		supportedTypes.add(ITreeItemContentProvider.class);
		supportedTypes.add(IItemLabelProvider.class);
		supportedTypes.add(IItemPropertySource.class);
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.eclipse.e4.ui.model.application.ui.basic.MPart} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected PartItemProvider partItemProvider;

	/**
	 * This creates an adapter for a {@link org.eclipse.e4.ui.model.application.ui.basic.MPart}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createPartAdapter() {
		if (partItemProvider == null) {
			partItemProvider = new PartItemProvider(this);
		}

		return partItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.eclipse.e4.ui.model.application.ui.basic.MCompositePart} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected CompositePartItemProvider compositePartItemProvider;

	/**
	 * This creates an adapter for a {@link org.eclipse.e4.ui.model.application.ui.basic.MCompositePart}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createCompositePartAdapter() {
		if (compositePartItemProvider == null) {
			compositePartItemProvider = new CompositePartItemProvider(this);
		}

		return compositePartItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.eclipse.e4.ui.model.application.ui.basic.MInputPart} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected InputPartItemProvider inputPartItemProvider;

	/**
	 * This creates an adapter for a {@link org.eclipse.e4.ui.model.application.ui.basic.MInputPart}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createInputPartAdapter() {
		if (inputPartItemProvider == null) {
			inputPartItemProvider = new InputPartItemProvider(this);
		}

		return inputPartItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.eclipse.e4.ui.model.application.ui.basic.MPartStack} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected PartStackItemProvider partStackItemProvider;

	/**
	 * This creates an adapter for a {@link org.eclipse.e4.ui.model.application.ui.basic.MPartStack}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createPartStackAdapter() {
		if (partStackItemProvider == null) {
			partStackItemProvider = new PartStackItemProvider(this);
		}

		return partStackItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.eclipse.e4.ui.model.application.ui.basic.MPartSashContainer} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected PartSashContainerItemProvider partSashContainerItemProvider;

	/**
	 * This creates an adapter for a {@link org.eclipse.e4.ui.model.application.ui.basic.MPartSashContainer}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createPartSashContainerAdapter() {
		if (partSashContainerItemProvider == null) {
			partSashContainerItemProvider = new PartSashContainerItemProvider(this);
		}

		return partSashContainerItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.eclipse.e4.ui.model.application.ui.basic.MWindow} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected WindowItemProvider windowItemProvider;

	/**
	 * This creates an adapter for a {@link org.eclipse.e4.ui.model.application.ui.basic.MWindow}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createWindowAdapter() {
		if (windowItemProvider == null) {
			windowItemProvider = new WindowItemProvider(this);
		}

		return windowItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.eclipse.e4.ui.model.application.ui.basic.MTrimmedWindow} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected TrimmedWindowItemProvider trimmedWindowItemProvider;

	/**
	 * This creates an adapter for a {@link org.eclipse.e4.ui.model.application.ui.basic.MTrimmedWindow}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createTrimmedWindowAdapter() {
		if (trimmedWindowItemProvider == null) {
			trimmedWindowItemProvider = new TrimmedWindowItemProvider(this);
		}

		return trimmedWindowItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.eclipse.e4.ui.model.application.ui.basic.MTrimBar} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected TrimBarItemProvider trimBarItemProvider;

	/**
	 * This creates an adapter for a {@link org.eclipse.e4.ui.model.application.ui.basic.MTrimBar}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createTrimBarAdapter() {
		if (trimBarItemProvider == null) {
			trimBarItemProvider = new TrimBarItemProvider(this);
		}

		return trimBarItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.eclipse.e4.ui.model.application.ui.basic.MDialog} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected DialogItemProvider dialogItemProvider;

	/**
	 * This creates an adapter for a {@link org.eclipse.e4.ui.model.application.ui.basic.MDialog}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createDialogAdapter() {
		if (dialogItemProvider == null) {
			dialogItemProvider = new DialogItemProvider(this);
		}

		return dialogItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link org.eclipse.e4.ui.model.application.ui.basic.MWizardDialog} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected WizardDialogItemProvider wizardDialogItemProvider;

	/**
	 * This creates an adapter for a {@link org.eclipse.e4.ui.model.application.ui.basic.MWizardDialog}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createWizardDialogAdapter() {
		if (wizardDialogItemProvider == null) {
			wizardDialogItemProvider = new WizardDialogItemProvider(this);
		}

		return wizardDialogItemProvider;
	}

	/**
	 * This returns the root adapter factory that contains this factory.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ComposeableAdapterFactory getRootAdapterFactory() {
		return parentAdapterFactory == null ? this : parentAdapterFactory.getRootAdapterFactory();
	}

	/**
	 * This sets the composed adapter factory that contains this factory.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setParentAdapterFactory(ComposedAdapterFactory parentAdapterFactory) {
		this.parentAdapterFactory = parentAdapterFactory;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean isFactoryForType(Object type) {
		return supportedTypes.contains(type) || super.isFactoryForType(type);
	}

	/**
	 * This implementation substitutes the factory itself as the key for the adapter.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter adapt(Notifier notifier, Object type) {
		return super.adapt(notifier, this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object adapt(Object object, Object type) {
		if (isFactoryForType(type)) {
			Object adapter = super.adapt(object, type);
			if (!(type instanceof Class<?>) || (((Class<?>)type).isInstance(adapter))) {
				return adapter;
			}
		}

		return null;
	}

	/**
	 * This adds a listener.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void addListener(INotifyChangedListener notifyChangedListener) {
		changeNotifier.addListener(notifyChangedListener);
	}

	/**
	 * This removes a listener.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void removeListener(INotifyChangedListener notifyChangedListener) {
		changeNotifier.removeListener(notifyChangedListener);
	}

	/**
	 * This delegates to {@link #changeNotifier} and to {@link #parentAdapterFactory}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void fireNotifyChanged(Notification notification) {
		changeNotifier.fireNotifyChanged(notification);

		if (parentAdapterFactory != null) {
			parentAdapterFactory.fireNotifyChanged(notification);
		}
	}

	/**
	 * This disposes all of the item providers created by this factory. 
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void dispose() {
		if (partItemProvider != null) partItemProvider.dispose();
		if (compositePartItemProvider != null) compositePartItemProvider.dispose();
		if (inputPartItemProvider != null) inputPartItemProvider.dispose();
		if (partStackItemProvider != null) partStackItemProvider.dispose();
		if (partSashContainerItemProvider != null) partSashContainerItemProvider.dispose();
		if (windowItemProvider != null) windowItemProvider.dispose();
		if (trimmedWindowItemProvider != null) trimmedWindowItemProvider.dispose();
		if (trimBarItemProvider != null) trimBarItemProvider.dispose();
		if (dialogItemProvider != null) dialogItemProvider.dispose();
		if (wizardDialogItemProvider != null) wizardDialogItemProvider.dispose();
	}

}