EventItemProvider.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.events.provider;

import java.util.Collection;
import java.util.Date;
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.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.events.Event;
import org.eclipse.emf.emfstore.internal.server.model.versioning.events.EventsPackage;

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

			addTimestampPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Timestamp feature. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	protected void addTimestampPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
			getResourceLocator(),
			getString("_UI_Event_timestamp_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", "_UI_Event_timestamp_feature", "_UI_Event_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
			EventsPackage.Literals.EVENT__TIMESTAMP, true, false, false, ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
			null, null));
	}

	/**
	 * This returns Event.gif.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public Object getImage(Object object) {
		return overlayImage(object, getResourceLocator().getImage("full/obj16/Event")); //$NON-NLS-1$
	}

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public String getText(Object object) {
		final Date labelValue = ((Event) object).getTimestamp();
		final String label = labelValue == null ? null : labelValue.toString();
		return label == null || label.length() == 0 ? getString("_UI_Event_type") : //$NON-NLS-1$
			getString("_UI_Event_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(Event.class)) {
		case EventsPackage.EVENT__TIMESTAMP:
			fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
			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);
	}

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

}