MavenProviderItemProvider.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package org.eclipse.buckminster.rmap.maven.provider;

import java.util.Collection;
import java.util.List;

import java.util.regex.Pattern;
import org.eclipse.buckminster.rmap.maven.MavenProvider;
import org.eclipse.buckminster.rmap.maven.MavenFactory;
import org.eclipse.buckminster.rmap.maven.MavenPackage;

import org.eclipse.buckminster.rmap.provider.ProviderItemProvider;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;

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.ViewerNotification;

/**
 * This is the item provider adapter for a
 * {@link org.eclipse.buckminster.rmap.maven.MavenProvider} object. <!--
 * begin-user-doc --> <!-- end-user-doc -->
 * 
 * @generated
 */
public class MavenProviderItemProvider extends ProviderItemProvider implements IEditingDomainItemProvider, IStructuredItemContentProvider,
		ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {
	/**
	 * This constructs an instance from a factory and a notifier. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public MavenProviderItemProvider(AdapterFactory adapterFactory) {
		super(adapterFactory);
	}

	/**
	 * 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(MavenPackage.Literals.MAVEN_PROVIDER__MAPPINGS);
			childrenFeatures.add(MavenPackage.Literals.MAVEN_PROVIDER__SCOPES);
		}
		return childrenFeatures;
	}

	/**
	 * This returns MavenProvider.gif. <!-- begin-user-doc --> <!-- end-user-doc
	 * -->
	 * 
	 * @generated
	 */

	@Override
	public Object getImage(Object object) {
		return overlayImage(object, getResourceLocator().getImage("full/obj16/MavenProvider"));
	}

	/**
	 * 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);

			addTransitivePropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This returns the label text for the adapted class. <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */

	@Override
	public String getText(Object object) {
		Pattern labelValue = ((MavenProvider) object).getPattern();
		String label = labelValue == null ? null : labelValue.toString();
		return label == null || label.length() == 0 ? getString("_UI_MavenProvider_type") : getString("_UI_MavenProvider_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(MavenProvider.class)) {
			case MavenPackage.MAVEN_PROVIDER__TRANSITIVE:
				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
				return;
			case MavenPackage.MAVEN_PROVIDER__MAPPINGS:
			case MavenPackage.MAVEN_PROVIDER__SCOPES:
				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
				return;
		}
		super.notifyChanged(notification);
	}

	/**
	 * This adds a property descriptor for the Transitive feature. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addTransitivePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
				getResourceLocator(), getString("_UI_MavenProvider_transitive_feature"),
				getString("_UI_PropertyDescriptor_description", "_UI_MavenProvider_transitive_feature", "_UI_MavenProvider_type"),
				MavenPackage.Literals.MAVEN_PROVIDER__TRANSITIVE, true, false, false, ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE, null, null));
	}

	/**
	 * 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(MavenPackage.Literals.MAVEN_PROVIDER__MAPPINGS, MavenFactory.eINSTANCE.createMappings()));

		newChildDescriptors.add(createChildParameter(MavenPackage.Literals.MAVEN_PROVIDER__SCOPES, MavenFactory.eINSTANCE.createScopes()));
	}

	/**
	 * <!-- 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);
	}

}