ParItemProviderAdapterFactory.java

/*******************************************************************************
 * Copyright (c) 2009, 2012 SpringSource, a divison of VMware, Inc.
 * 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:
 *     SpringSource, a division of VMware, Inc. - initial API and implementation
 *******************************************************************************/

package org.eclipse.virgo.ide.par.provider;

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

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;
import org.eclipse.virgo.ide.par.util.ParAdapterFactory;

/**
 * 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 ParItemProviderAdapterFactory extends ParAdapterFactory 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 ParItemProviderAdapterFactory() {
        this.supportedTypes.add(IEditingDomainItemProvider.class);
        this.supportedTypes.add(IStructuredItemContentProvider.class);
        this.supportedTypes.add(ITreeItemContentProvider.class);
        this.supportedTypes.add(IItemLabelProvider.class);
        this.supportedTypes.add(IItemPropertySource.class);
    }

    /**
     * This keeps track of the one adapter used for all {@link org.eclipse.virgo.ide.par.Par} instances. <!--
     * begin-user-doc --> <!-- end-user-doc -->
     *
     * @generated
     */
    protected ParItemProvider parItemProvider;

    /**
     * This creates an adapter for a {@link org.eclipse.virgo.ide.par.Par}. <!-- begin-user-doc --> <!-- end-user-doc
     * -->
     *
     * @generated
     */
    @Override
    public Adapter createParAdapter() {
        if (this.parItemProvider == null) {
            this.parItemProvider = new ParItemProvider(this);
        }

        return this.parItemProvider;
    }

    /**
     * This keeps track of the one adapter used for all {@link org.eclipse.virgo.ide.par.Bundle} instances. <!--
     * begin-user-doc --> <!-- end-user-doc -->
     *
     * @generated
     */
    protected BundleItemProvider bundleItemProvider;

    /**
     * This creates an adapter for a {@link org.eclipse.virgo.ide.par.Bundle}. <!-- begin-user-doc --> <!-- end-user-doc
     * -->
     *
     * @generated
     */
    @Override
    public Adapter createBundleAdapter() {
        if (this.bundleItemProvider == null) {
            this.bundleItemProvider = new BundleItemProvider(this);
        }

        return this.bundleItemProvider;
    }

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

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

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

        if (this.parentAdapterFactory != null) {
            this.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 (this.parItemProvider != null) {
            this.parItemProvider.dispose();
        }
        if (this.bundleItemProvider != null) {
            this.bundleItemProvider.dispose();
        }
    }

}