bundles/org.eclipse.emf.emfstore.server.model.edit/src/org/eclipse/emf/emfstore/internal/server/model/versioning/provider/FileBasedChangePackageItemProvider.java

/*******************************************************************************
 * Copyright (c) 2008-2011 Chair for Applied Software Engineering,
 * Technische Universitaet Muenchen.
 * 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:
 ******************************************************************************/
package org.eclipse.emf.emfstore.internal.server.model.versioning.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.common.util.ResourceLocator;
import org.eclipse.emf.ecore.EStructuralFeature;
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.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.eclipse.emf.emfstore.internal.server.model.provider.ServerEditPlugin;
import org.eclipse.emf.emfstore.internal.server.model.versioning.FileBasedChangePackage;
import org.eclipse.emf.emfstore.internal.server.model.versioning.VersioningFactory;
import org.eclipse.emf.emfstore.internal.server.model.versioning.VersioningPackage;

/**
 * This is the item provider adapter for a
 * {@link org.eclipse.emf.emfstore.internal.server.model.versioning.FileBasedChangePackage} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 *
 * @generated
 */
public class FileBasedChangePackageItemProvider
	extends ItemProviderAdapter
	implements
	IEditingDomainItemProvider, ITreeItemContentProvider, IItemLabelProvider,
	IItemPropertySource
{
	/**
	 * This constructs an instance from a factory and a notifier.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	public FileBasedChangePackageItemProvider(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);

			addFilePathPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the File Path feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	protected void addFilePathPropertyDescriptor(Object object)
	{
		itemPropertyDescriptors
			.add
			(createItemPropertyDescriptor
			(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_FileBasedChangePackage_filePath_feature"), //$NON-NLS-1$
				getString(
					"_UI_PropertyDescriptor_description", "_UI_FileBasedChangePackage_filePath_feature", "_UI_FileBasedChangePackage_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				VersioningPackage.Literals.FILE_BASED_CHANGE_PACKAGE__FILE_PATH,
				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(VersioningPackage.Literals.ABSTRACT_CHANGE_PACKAGE__LOG_MESSAGE);
			childrenFeatures.add(VersioningPackage.Literals.FILE_BASED_CHANGE_PACKAGE__OPERATION_PROXIES);
		}
		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 FileBasedChangePackage.gif.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public Object getImage(Object object)
	{
		return overlayImage(object, getResourceLocator().getImage("full/obj16/FileBasedChangePackage")); //$NON-NLS-1$
	}

	/**
	 * 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 = ((FileBasedChangePackage) object).getFilePath();
		return label == null || label.length() == 0 ?
			getString("_UI_FileBasedChangePackage_type") : //$NON-NLS-1$
			getString("_UI_FileBasedChangePackage_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(FileBasedChangePackage.class))
		{
		case VersioningPackage.FILE_BASED_CHANGE_PACKAGE__FILE_PATH:
			fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
			return;
		case VersioningPackage.FILE_BASED_CHANGE_PACKAGE__LOG_MESSAGE:
		case VersioningPackage.FILE_BASED_CHANGE_PACKAGE__OPERATION_PROXIES:
			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
			(VersioningPackage.Literals.ABSTRACT_CHANGE_PACKAGE__LOG_MESSAGE,
				VersioningFactory.eINSTANCE.createLogMessage()));

		newChildDescriptors.add
			(createChildParameter
			(VersioningPackage.Literals.FILE_BASED_CHANGE_PACKAGE__OPERATION_PROXIES,
				VersioningFactory.eINSTANCE.createOperationProxy()));
	}

	/**
	 * Return the resource locator for this item provider's resources.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public ResourceLocator getResourceLocator()
	{
		return ServerEditPlugin.INSTANCE;
	}

}