plugins/org.eclipse.ocl.edit/src/org/eclipse/ocl/expressions/provider/StringLiteralExpItemProvider.java

/**
 * <copyright>
 *
 * Copyright (c) 2009 Eclipse Modeling Project and others.
 * 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:
 *   IBM - Initial API and implementation
 *
 * </copyright>
 *
 * $Id: StringLiteralExpItemProvider.java,v 1.2 2010/01/14 12:44:24 ewillink Exp $
 */
package org.eclipse.ocl.expressions.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.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.ocl.expressions.ExpressionsPackage;
import org.eclipse.ocl.expressions.StringLiteralExp;

/**
 * This is the item provider adapter for a {@link org.eclipse.ocl.expressions.StringLiteralExp} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class StringLiteralExpItemProvider extends
		PrimitiveLiteralExpItemProvider implements IEditingDomainItemProvider,
		IStructuredItemContentProvider, ITreeItemContentProvider,
		IItemLabelProvider, IItemPropertySource {
	/**
	 * This constructs an instance from a factory and a notifier.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public StringLiteralExpItemProvider(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);

			addStringSymbolPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected boolean shouldComposeCreationImage() {
		return true;
	}

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String getText(Object object) {
		StringLiteralExp<?> stringLiteralExp = (StringLiteralExp<?>) object;
		return getString("_UI_StringLiteralExp_type") + " " + stringLiteralExp.getStartPosition(); //$NON-NLS-1$ //$NON-NLS-2$
	}

	/**
	 * 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(StringLiteralExp.class)) {
		case ExpressionsPackage.STRING_LITERAL_EXP__STRING_SYMBOL:
			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);
	}

}