/*******************************************************************************
 * 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.client.model.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.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.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.eclipse.emf.emfstore.internal.client.model.ModelFactory;
import org.eclipse.emf.emfstore.internal.client.model.ModelPackage;
import org.eclipse.emf.emfstore.internal.client.model.Workspace;

/**
 * This is the item provider adapter for a {@link org.eclipse.emf.emfstore.internal.client.model.Workspace} object. <!--
 * begin-user-doc --> <!-- end-user-doc -->
 *
 * @generated
 */
public class WorkspaceItemProvider 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 WorkspaceItemProvider(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);

		}
		return itemPropertyDescriptors;
	}

	/**
	 * 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(ModelPackage.Literals.WORKSPACE__PROJECT_SPACES);
			childrenFeatures.add(ModelPackage.Literals.WORKSPACE__SERVER_INFOS);
			childrenFeatures.add(ModelPackage.Literals.WORKSPACE__USERSESSIONS);
		}
		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 Workspace.gif.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public Object getImage(Object object) {
		return overlayImage(object, getResourceLocator().getImage("full/obj16/Workspace")); //$NON-NLS-1$
	}

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public String getText(Object object) {
		return getString("_UI_Workspace_type"); //$NON-NLS-1$
	}

	/**
	 * 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(Workspace.class))
		{
		case ModelPackage.WORKSPACE__PROJECT_SPACES:
		case ModelPackage.WORKSPACE__SERVER_INFOS:
		case ModelPackage.WORKSPACE__USERSESSIONS:
			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
			(ModelPackage.Literals.WORKSPACE__PROJECT_SPACES,
				ModelFactory.eINSTANCE.createProjectSpace()));

		newChildDescriptors.add
			(createChildParameter
			(ModelPackage.Literals.WORKSPACE__SERVER_INFOS,
				ModelFactory.eINSTANCE.createServerInfo()));

		newChildDescriptors.add
			(createChildParameter
			(ModelPackage.Literals.WORKSPACE__USERSESSIONS,
				ModelFactory.eINSTANCE.createUsersession()));
	}

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

	@Override
	public Collection<?> getChildren(Object object) {

		if (object instanceof Workspace) {
			final Workspace workspace = (Workspace) object;
			return workspace.getProjectSpaces();
		}
		return super.getChildren(object);
	}

}