dbdesigneritemprovideradapterfactory.java

eclipse平台

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package dbdesigner.provider;

import dbdesigner.util.DbdesignerAdapterFactory;

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;

/**
 * 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 DbdesignerItemProviderAdapterFactory extends DbdesignerAdapterFactory 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 DbdesignerItemProviderAdapterFactory() {
		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 dbdesigner.Table} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected TableItemProvider tableItemProvider;

	/**
	 * This creates an adapter for a {@link dbdesigner.Table}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createTableAdapter() {
		if (tableItemProvider == null) {
			tableItemProvider = new TableItemProvider(this);
		}

		return tableItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link dbdesigner.Database} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected DatabaseItemProvider databaseItemProvider;

	/**
	 * This creates an adapter for a {@link dbdesigner.Database}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createDatabaseAdapter() {
		if (databaseItemProvider == null) {
			databaseItemProvider = new DatabaseItemProvider(this);
		}

		return databaseItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link dbdesigner.Column} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ColumnItemProvider columnItemProvider;

	/**
	 * This creates an adapter for a {@link dbdesigner.Column}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createColumnAdapter() {
		if (columnItemProvider == null) {
			columnItemProvider = new ColumnItemProvider(this);
		}

		return columnItemProvider;
	}

	/**
	 * This keeps track of the one adapter used for all {@link dbdesigner.FKRelation} instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected FKRelationItemProvider fkRelationItemProvider;

	/**
	 * This creates an adapter for a {@link dbdesigner.FKRelation}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Adapter createFKRelationAdapter() {
		if (fkRelationItemProvider == null) {
			fkRelationItemProvider = new FKRelationItemProvider(this);
		}

		return fkRelationItemProvider;
	}

	/**
	 * 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 (tableItemProvider != null) tableItemProvider.dispose();
		if (databaseItemProvider != null) databaseItemProvider.dispose();
		if (columnItemProvider != null) columnItemProvider.dispose();
		if (fkRelationItemProvider != null) fkRelationItemProvider.dispose();
	}

}