/*
 * Copyright (c) 2005, 2011 IBM Corporation, Embarcadero Technologies, CEA, 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
 *   Kenn Hussey (Embarcadero Technologies) - 215418, 204200
 *   Kenn Hussey - 323181
 *   Kenn Hussey (CEA) - 327039
 *
 * $Id: CommunicationPathItemProvider.java,v 1.13 2010/09/28 21:00:18 khussey Exp $
 */
package org.eclipse.uml2.uml.edit.providers;

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.EList;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemColorProvider;
import org.eclipse.emf.edit.provider.IItemFontProvider;
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.uml2.common.util.UML2Util;
import org.eclipse.uml2.uml.CommunicationPath;
import org.eclipse.uml2.uml.UMLPackage;

import org.eclipse.uml2.uml.Property;
import org.eclipse.uml2.uml.Type;

/**
 * This is the item provider adapter for a {@link org.eclipse.uml2.uml.CommunicationPath} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class CommunicationPathItemProvider
		extends AssociationItemProvider
		implements IEditingDomainItemProvider, IStructuredItemContentProvider,
		ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource,
		IItemColorProvider, IItemFontProvider {

	/**
	 * This constructs an instance from a factory and a notifier.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public CommunicationPathItemProvider(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 returns CommunicationPath.gif.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object getImage(Object object) {
		return overlayImage(object,
			getResourceLocator().getImage("full/obj16/CommunicationPath")); //$NON-NLS-1$
	}

	/**
	 * <!-- 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 NOT
	 */
	@Override
	public String getText(Object object) {
		StringBuffer text = appendType(
			appendKeywords(new StringBuffer(), object),
			"_UI_CommunicationPath_type"); //$NON-NLS-1$

		CommunicationPath communicationPath = (CommunicationPath) object;

		if (communicationPath.isDerived()) {
			appendString(text, "/"); //$NON-NLS-1$
		}

		String label = communicationPath.getLabel(shouldTranslate());

		if (!UML2Util.isEmpty(label)) {
			appendString(text, label);
		} else {
			EList<Property> memberEnds = communicationPath.getMemberEnds();

			if (!memberEnds.isEmpty()) {
				appendString(text, "A"); //$NON-NLS-1$

				for (Property memberEnd : memberEnds) {
					String memberEndName = memberEnd.getName();

					text.append('_');

					if (!UML2Util.isEmpty(memberEndName)) {
						text.append(memberEndName);
					} else {
						Type type = memberEnd.getType();

						if (type != null) {
							String typeName = type.getName();

							if (!UML2Util.isEmpty(typeName)) {
								memberEndName = Character.toLowerCase(typeName
									.charAt(0)) + typeName.substring(1);
							}
						}

						if (!UML2Util.isEmpty(memberEndName)) {
							text.append(memberEndName);
						} else {
							text.append('<');
							text.append(getTypeText(memberEnd));
							text.append('>');
						}
					}
				}
			}
		}

		return text.toString();
	}

	/**
	 * 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);
		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);
	}

	/**
	 * This returns the label text for {@link org.eclipse.emf.edit.command.CreateChildCommand}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String getCreateChildText(Object owner, Object feature,
			Object child, Collection<?> selection) {
		Object childFeature = feature;
		Object childObject = child;

		boolean qualify = childFeature == UMLPackage.Literals.CLASSIFIER__COLLABORATION_USE
			|| childFeature == UMLPackage.Literals.CLASSIFIER__REPRESENTATION
			|| childFeature == UMLPackage.Literals.ASSOCIATION__OWNED_END
			|| childFeature == UMLPackage.Literals.ASSOCIATION__NAVIGABLE_OWNED_END;

		if (qualify) {
			return getString("_UI_CreateChild_text2", //$NON-NLS-1$
				new Object[]{getTypeText(childObject),
					getFeatureText(childFeature), getTypeText(owner)});
		}
		return super.getCreateChildText(owner, feature, child, selection);
	}

}