/**
* Copyright (c) 2002-2006 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 - Initial API and implementation
*/
package org.eclipse.emf.mapping.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.Disposable;
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.ITableItemLabelProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.mapping.util.MappingAdapterFactory;
/**
* This is the factory that is used to provide the interfaces needed to support JFace viewers.
* The adapters generated by this factory convert EMF adapter notifications into calls to {@link #fireNotifyChanged fireNotifyChanged}.
*/
public class MappingItemProviderAdapterFactory
extends
MappingAdapterFactory
implements
ComposeableAdapterFactory,
IChangeNotifier,
IDisposable
{
/**
* This keeps track of the root adapter factory that delegates to this adapter factory
*/
protected ComposedAdapterFactory parentAdapterFactory;
/**
* This is used to implement {@link IChangeNotifier}.
*/
protected IChangeNotifier changeNotifier = new ChangeNotifier();
/**
* This is used to implement {@link IDisposable}.
*/
protected Disposable disposable = new Disposable();
/**
* This keeps track of all the supported types checked by {@link #isFactoryForType isFactoryForType}.
*/
protected Collection<Object> supportedTypes = new ArrayList<Object>();
/**
* This constructs an instance from a domain notifier.
*/
public MappingItemProviderAdapterFactory()
{
supportedTypes.add(IStructuredItemContentProvider.class);
supportedTypes.add(ITreeItemContentProvider.class);
supportedTypes.add(IItemPropertySource.class);
supportedTypes.add(IEditingDomainItemProvider.class);
supportedTypes.add(IItemLabelProvider.class);
supportedTypes.add(ITableItemLabelProvider.class);
// This is here only to support deprecated adapt(object) rather than adapt(object, Interface.class).
//
// supportedTypes.add(null);
// supportedTypes.add(IUpdateableItemText.class);
}
/**
* This returns the root adapter factory that contains this factory.
*/
public ComposeableAdapterFactory getRootAdapterFactory()
{
return parentAdapterFactory == null ? this : parentAdapterFactory.getRootAdapterFactory();
}
/**
* This sets the composed adapter factory that contains this factory.
*/
public void setParentAdapterFactory(ComposedAdapterFactory parentAdapterFactory)
{
this.parentAdapterFactory = parentAdapterFactory;
}
@Override
public boolean isFactoryForType(Object type)
{
return super.isFactoryForType(type) || supportedTypes.contains(type);
}
@Override
public Adapter adapt(Notifier notifier, Object type)
{
return super.adapt(notifier, this);
}
@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;
}
@Override
public Adapter adaptNew(Notifier object, Object type)
{
Adapter result = super.adaptNew(object, type);
disposable.add(result);
return result;
}
/**
* This adds a listener.
*/
public void addListener(INotifyChangedListener notifyChangedListener)
{
changeNotifier.addListener(notifyChangedListener);
}
/**
* This removes a listener.
*/
public void removeListener(INotifyChangedListener notifyChangedListener)
{
changeNotifier.removeListener(notifyChangedListener);
}
/**
* This delegates to {@link #changeNotifier} and to {@link #parentAdapterFactory}.
*/
public void fireNotifyChanged(Notification msg)
{
changeNotifier.fireNotifyChanged(msg);
if (parentAdapterFactory != null)
{
parentAdapterFactory.fireNotifyChanged(msg);
}
}
/**
* This keeps track of the one adapter used for all {@link org.eclipse.emf.mapping.MappingRoot} instances.
*/
protected MappingRootItemProvider mappingRootItemProvider;
/**
* This creates an adapter for a {@link org.eclipse.emf.mapping.MappingRoot}.
*/
@Override
public Adapter createMappingRootAdapter()
{
// EATM
// We want stateful ones.
// if (mappingRootItemProvider == null)
// {
// mappingRootItemProvider = new MappingRootItemProvider(this, domainNotifier);
// }
mappingRootItemProvider = new MappingRootItemProvider(this);
return mappingRootItemProvider;
}
/**
* This keeps track of the one adapter used for all {@link org.eclipse.emf.mapping.Mapping} instances.
*/
protected MappingItemProvider mappingItemProvider;
/**
* This creates an adapter for a {@link org.eclipse.emf.mapping.Mapping}.
*/
@Override
public Adapter createMappingAdapter()
{
// EATM
// We want stateful ones.
// if (mappingItemProvider == null)
// {
// mappingItemProvider = new MappingItemProvider(this);
// }
mappingItemProvider = new MappingItemProvider(this);
return mappingItemProvider;
}
/**
* This keeps track of the one adapter used for all {@link org.eclipse.emf.mapping.FunctionPair} instances.
*/
protected FunctionPairItemProvider functionPairItemProvider;
/**
* This creates an adapter for a {@link org.eclipse.emf.mapping.FunctionPair}.
*/
@Override
public Adapter createFunctionPairAdapter()
{
// if (functionPairItemProvider == null)
{
functionPairItemProvider = new FunctionPairItemProvider(this);
}
return functionPairItemProvider;
}
/**
* This keeps track of the one adapter used for all {@link org.eclipse.emf.mapping.TypeConverter} instances.
*/
protected TypeConverterItemProvider typeConverterItemProvider;
/**
* This creates an adapter for a {@link org.eclipse.emf.mapping.TypeConverter}.
*/
@Override
public Adapter createTypeConverterAdapter()
{
// if (typeConverterItemProvider == null)
{
typeConverterItemProvider = new TypeConverterItemProvider(this);
}
return typeConverterItemProvider;
}
/**
* This keeps track of the one adapter used for all {@link org.eclipse.emf.mapping.MappingHelper} instances.
*/
protected MappingHelperItemProvider mappingHelperItemProvider;
/**
* This creates an adapter for a {@link org.eclipse.emf.mapping.MappingHelper}.
*/
@Override
public Adapter createMappingHelperAdapter()
{
// if (mappingHelperItemProvider == null)
{
mappingHelperItemProvider = new MappingHelperItemProvider(this);
}
return mappingHelperItemProvider;
}
/**
* This keeps track of the one adapter used for all {@link org.eclipse.emf.mapping.MappingStrategy} instances.
*/
protected MappingStrategyItemProvider mappingStrategyItemProvider;
/**
* This creates an adapter for a {@link org.eclipse.emf.mapping.MappingStrategy}.
*/
@Override
public Adapter createMappingStrategyAdapter()
{
// if (mappingStrategyItemProvider == null)
{
mappingStrategyItemProvider = new MappingStrategyItemProvider(this);
}
return mappingStrategyItemProvider;
}
/**
* This keeps track of the one adapter used for all {@link org.eclipse.emf.mapping.FunctionNamePair} instances.
*/
protected FunctionNamePairItemProvider functionNamePairItemProvider;
/**
* This creates an adapter for a {@link org.eclipse.emf.mapping.FunctionNamePair}.
*/
@Override
public Adapter createFunctionNamePairAdapter()
{
// if (functionNamePairItemProvider == null)
{
functionNamePairItemProvider = new FunctionNamePairItemProvider(this);
}
return functionNamePairItemProvider;
}
/**
* This keeps track of the one adapter used for all {@link org.eclipse.emf.mapping.ComplexTypeConverter} instances.
*/
protected ComplexTypeConverterItemProvider complexTypeConverterItemProvider;
/**
* This creates an adapter for a {@link org.eclipse.emf.mapping.ComplexTypeConverter}.
*/
@Override
public Adapter createComplexTypeConverterAdapter()
{
// if (complexTypeConverterItemProvider == null)
{
complexTypeConverterItemProvider = new ComplexTypeConverterItemProvider(this);
}
return complexTypeConverterItemProvider;
}
public void dispose()
{
disposable.dispose();
}
}