org.eclipse.emf.emfstore.server.model.edit/src/org/eclipse/emf/emfstore/server/model/versioning/events/provider/LinkEventItemProvider.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.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.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.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.eclipse.emf.emfstore.server.model.versioning.events.EventsPackage;
import org.eclipse.emf.emfstore.server.model.versioning.events.LinkEvent;

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

			addSourceViewPropertyDescriptor(object);
			addSourceElementPropertyDescriptor(object);
			addTargetElementPropertyDescriptor(object);
			addCreatedNewPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Source View feature.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addSourceViewPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(),
			getString("_UI_LinkEvent_sourceView_feature"),
			getString("_UI_PropertyDescriptor_description", "_UI_LinkEvent_sourceView_feature", "_UI_LinkEvent_type"),
			EventsPackage.Literals.LINK_EVENT__SOURCE_VIEW, true, false, false,
			ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}

	/**
	 * This adds a property descriptor for the Source Element feature.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addSourceElementPropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_LinkEvent_sourceElement_feature"),
				getString("_UI_PropertyDescriptor_description", "_UI_LinkEvent_sourceElement_feature",
					"_UI_LinkEvent_type"), EventsPackage.Literals.LINK_EVENT__SOURCE_ELEMENT, true, false, true, null,
				null, null));
	}

	/**
	 * This adds a property descriptor for the Target Element feature.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addTargetElementPropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_LinkEvent_targetElement_feature"),
				getString("_UI_PropertyDescriptor_description", "_UI_LinkEvent_targetElement_feature",
					"_UI_LinkEvent_type"), EventsPackage.Literals.LINK_EVENT__TARGET_ELEMENT, true, false, true, null,
				null, null));
	}

	/**
	 * This adds a property descriptor for the Created New feature.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addCreatedNewPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(),
			getString("_UI_LinkEvent_createdNew_feature"),
			getString("_UI_PropertyDescriptor_description", "_UI_LinkEvent_createdNew_feature", "_UI_LinkEvent_type"),
			EventsPackage.Literals.LINK_EVENT__CREATED_NEW, true, false, false,
			ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE, null, null));
	}

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

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public String getText(Object object) {
		Date labelValue = ((LinkEvent) object).getTimestamp();
		String label = labelValue == null ? null : labelValue.toString();
		return label == null || label.length() == 0 ? getString("_UI_LinkEvent_type") : getString("_UI_LinkEvent_type")
			+ " " + label;
	}

	/**
	 * 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(LinkEvent.class)) {
		case EventsPackage.LINK_EVENT__SOURCE_VIEW:
		case EventsPackage.LINK_EVENT__CREATED_NEW:
			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);
	}

}