/*
 * Copyright (c) 2005, 2018 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 v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *   IBM - initial API and implementation
 *   Kenn Hussey (Embarcadero Technologies) - 215418, 204200
 *   Kenn Hussey - 323181, 535301
 *   Kenn Hussey (CEA) - 327039, 414970, 370089, 511674
 *
 */
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.edit.provider.IItemPropertyDescriptor;

import org.eclipse.uml2.common.util.UML2Util;
import org.eclipse.uml2.uml.Extension;
import org.eclipse.uml2.uml.ExtensionEnd;
import org.eclipse.uml2.uml.Type;
import org.eclipse.uml2.uml.UMLPackage;

import org.eclipse.uml2.uml.util.UMLUtil;

/**
 * This is the item provider adapter for a {@link org.eclipse.uml2.uml.ExtensionEnd} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class ExtensionEndItemProvider
		extends PropertyItemProvider {

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

	/**
	 * <!-- 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_ExtensionEnd_type"); //$NON-NLS-1$

		ExtensionEnd extensionEnd = (ExtensionEnd) object;
		Type type = extensionEnd.getType();

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

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

		if (!UML2Util.isEmpty(label)) {
			appendString(text, label);
		} else if (extensionEnd.getAssociation() != null && type != null) {
			String typeName = type.getName();

			if (!UML2Util.isEmpty(typeName)) {
				appendString(text, Extension.STEREOTYPE_ROLE_PREFIX + typeName);
			}
		}

		if (type != null) {
			String typeLabel = type.getLabel(shouldTranslate());

			if (!UMLUtil.isEmpty(typeLabel)) {
				appendString(text, ": " + typeLabel); //$NON-NLS-1$
			}
		}

		return MultiplicityElementItemProvider.appendMultiplicity(text, object)
			.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.NAMED_ELEMENT__NAME_EXPRESSION
			|| childFeature == UMLPackage.Literals.MULTIPLICITY_ELEMENT__LOWER_VALUE
			|| childFeature == UMLPackage.Literals.MULTIPLICITY_ELEMENT__UPPER_VALUE
			|| childFeature == UMLPackage.Literals.PROPERTY__DEFAULT_VALUE;

		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);
	}

}