org.eclipse.osbp.ecview.core.common.model.edit/src/org/eclipse/osbp/ecview/core/common/model/binding/provider/YBindingEndpointItemProvider.java

/**
 *                                                                            
 *  Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany) 
 *                                                                            
 *  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:                                                      
 * 	   Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
 * 
 */
 package org.eclipse.osbp.ecview.core.common.model.binding.provider;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
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.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
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.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.eclipse.osbp.ecview.core.common.model.binding.BindingPackage;
import org.eclipse.osbp.ecview.core.common.model.binding.YBindingEndpoint;
import org.eclipse.osbp.ecview.core.common.model.binding.util.IBoundElementItemProvider;
import org.eclipse.osbp.ecview.core.common.model.core.CoreModelFactory;
import org.eclipse.osbp.ecview.core.common.model.core.CoreModelPackage;

/**
 * This is the item provider adapter for a
 * {@link org.eclipse.osbp.ecview.core.common.model.binding.YBindingEndpoint}
 * object. <!-- begin-user-doc --> <!-- end-user-doc -->
 * 
 * @generated NOT
 */
public class YBindingEndpointItemProvider extends ItemProviderAdapter implements
		IEditingDomainItemProvider, IStructuredItemContentProvider,
		ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource,
		IBoundElementItemProvider {
	/**
	 * This constructs an instance from a factory and a notifier. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public YBindingEndpointItemProvider(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);

			addIdPropertyDescriptor(object);
			addNamePropertyDescriptor(object);
			addTagsPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Id feature. <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addIdPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory)
						.getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_YElement_id_feature"),
				getString("_UI_PropertyDescriptor_description",
						"_UI_YElement_id_feature", "_UI_YElement_type"),
				CoreModelPackage.Literals.YELEMENT__ID, true, false, false,
				ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}

	/**
	 * This adds a property descriptor for the Name feature. <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addNamePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory)
						.getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_YElement_name_feature"),
				getString("_UI_PropertyDescriptor_description",
						"_UI_YElement_name_feature", "_UI_YElement_type"),
				CoreModelPackage.Literals.YELEMENT__NAME, true, false, false,
				ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}

	/**
	 * This adds a property descriptor for the Tags feature. <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addTagsPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory)
						.getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_YElement_tags_feature"),
				getString("_UI_PropertyDescriptor_description",
						"_UI_YElement_tags_feature", "_UI_YElement_type"),
				CoreModelPackage.Literals.YTAGGABLE__TAGS, true, false, false,
				ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}

	/**
	 * This specifies how to implement {@link #getChildren} and is used to
	 * deduce an appropriate feature for an
	 * {@link org.eclipse.emf.edit.command.AddCommand},
	 * {@link org.eclipse.emf.edit.command.RemoveCommand} or
	 * {@link org.eclipse.emf.edit.command.MoveCommand} in
	 * {@link #createCommand}. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public Collection<? extends EStructuralFeature> getChildrenFeatures(
			Object object) {
		if (childrenFeatures == null) {
			super.getChildrenFeatures(object);
			childrenFeatures
					.add(CoreModelPackage.Literals.YELEMENT__PROPERTIES);
		}
		return childrenFeatures;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	protected EStructuralFeature getChildFeature(Object object, Object child) {
		// Check the type of the specified child object and return the proper
		// feature to use for
		// adding (see {@link AddCommand}) it as a child.

		return super.getChildFeature(object, child);
	}

	/**
	 * This returns the label text for the adapted class. <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public String getText(Object object) {
		String label = ((YBindingEndpoint) object).getName();
		return label == null || label.length() == 0 ? getString("_UI_YBindingEndpoint_type")
				: getString("_UI_YBindingEndpoint_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(YBindingEndpoint.class)) {
		case BindingPackage.YBINDING_ENDPOINT__ID:
		case BindingPackage.YBINDING_ENDPOINT__NAME:
		case BindingPackage.YBINDING_ENDPOINT__TAGS:
			fireNotifyChanged(new ViewerNotification(notification,
					notification.getNotifier(), false, true));
			return;
		case BindingPackage.YBINDING_ENDPOINT__PROPERTIES:
			fireNotifyChanged(new ViewerNotification(notification,
					notification.getNotifier(), true, false));
			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);

		newChildDescriptors
				.add(createChildParameter(
						CoreModelPackage.Literals.YELEMENT__PROPERTIES,
						CoreModelFactory.eINSTANCE
								.create(CoreModelPackage.Literals.YSTRING_TO_STRING_MAP)));
	}

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

	@Override
	public EObject getBoundElement(YBindingEndpoint ep) {
		return null;
	}

	@Override
	public EStructuralFeature getFirstBoundFeature(YBindingEndpoint object) {
		return null;
	}

	@Override
	public List<EStructuralFeature> getBoundFeatureList(YBindingEndpoint object) {
		return Collections.emptyList();
	}

	/**
	 * Resolves nested features separated by a doted property path. Eg
	 * "person.name".
	 * 
	 * @param currentEClass
	 * @param propertyPath
	 * @return
	 */
	protected List<EStructuralFeature> resolveFeatureChain(
			EClass currentEClass, String propertyPath) {
		if (propertyPath == null || propertyPath.equals("")) {
			return Collections.emptyList();
		}
		List<EStructuralFeature> result = new ArrayList<EStructuralFeature>();
		String[] tokens = propertyPath.split("\\.");
		for (String token : tokens) {
			EStructuralFeature currentFeature = currentEClass
					.getEStructuralFeature(token);
			result.add(currentFeature);
			currentEClass = (EClass) currentFeature.getEType();
		}
		return result;
	}
}