examples/org.eclipse.gmf.examples.mindmap.edit/src/org/eclipse/gmf/examples/mindmap/provider/ThreadItemProvider.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id: ThreadItemProvider.java,v 1.1 2006/05/11 01:51:16 rgronback Exp $
 */
package org.eclipse.gmf.examples.mindmap.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.common.util.ResourceLocator;
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.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.gmf.examples.mindmap.MindmapFactory;
import org.eclipse.gmf.examples.mindmap.MindmapPackage;

/**
 * This is the item provider adapter for a
 * {@link org.eclipse.gmf.examples.mindmap.Thread} object. <!-- begin-user-doc
 * --> <!-- end-user-doc -->
 * 
 * @generated
 */
public class ThreadItemProvider extends ItemProviderAdapter implements IEditingDomainItemProvider, IStructuredItemContentProvider, ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {

	/**
	 * This constructs an instance from a factory and a notifier. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public ThreadItemProvider(AdapterFactory adapterFactory) {
		super(adapterFactory);
	}

	/**
	 * This returns the property descriptors for the adapted class. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public List getPropertyDescriptors(Object object) {
		if (itemPropertyDescriptors == null) {
			super.getPropertyDescriptors(object);

			addAuthorPropertyDescriptor(object);
			addSubjectPropertyDescriptor(object);
			addPostDatePropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Author feature. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addAuthorPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(), getString("_UI_Thread_author_feature"),
				getString("_UI_PropertyDescriptor_description", "_UI_Thread_author_feature", "_UI_Thread_type"), MindmapPackage.Literals.THREAD__AUTHOR, true, null, null, null));
	}

	/**
	 * This adds a property descriptor for the Subject feature. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addSubjectPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(), getString("_UI_Thread_subject_feature"),
				getString("_UI_PropertyDescriptor_description", "_UI_Thread_subject_feature", "_UI_Thread_type"), MindmapPackage.Literals.THREAD__SUBJECT, true,
				ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}

	/**
	 * This adds a property descriptor for the Post Date feature. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addPostDatePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(), getString("_UI_Thread_postDate_feature"),
				getString("_UI_PropertyDescriptor_description", "_UI_Thread_postDate_feature", "_UI_Thread_type"), MindmapPackage.Literals.THREAD__POST_DATE, true,
				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
	 */
	public Collection getChildrenFeatures(Object object) {
		if (childrenFeatures == null) {
			super.getChildrenFeatures(object);
			childrenFeatures.add(MindmapPackage.Literals.THREAD__ITEMS);
		}
		return childrenFeatures;
	}

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

	/**
	 * This returns the label text for the adapted class. <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public String getText(Object object) {
		String label = ((org.eclipse.gmf.examples.mindmap.Thread) object).getSubject();
		return label == null || label.length() == 0 ? getString("_UI_Thread_type") : getString("_UI_Thread_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
	 */
	public void notifyChanged(Notification notification) {
		updateChildren(notification);

		switch (notification.getFeatureID(org.eclipse.gmf.examples.mindmap.Thread.class)) {
		case MindmapPackage.THREAD__SUBJECT:
		case MindmapPackage.THREAD__POST_DATE:
			fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
			return;
		case MindmapPackage.THREAD__ITEMS:
			fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
			return;
		}
		super.notifyChanged(notification);
	}

	/**
	 * This adds to the collection of
	 * {@link org.eclipse.emf.edit.command.CommandParameter}s describing all of
	 * the children that can be created under this object. <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void collectNewChildDescriptors(Collection newChildDescriptors, Object object) {
		super.collectNewChildDescriptors(newChildDescriptors, object);

		newChildDescriptors.add(createChildParameter(MindmapPackage.Literals.THREAD__ITEMS, MindmapFactory.eINSTANCE.createThreadItem()));
	}

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

}