<?xml version="1.0" encoding="UTF-8"?>
<ecore:EPackage xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="foo" nsURI="http://foo" nsPrefix="foo">
  <eClassifiers xsi:type="ecore:EClass" name="Container">
    <eStructuralFeatures xsi:type="ecore:EReference" name="as" upperBound="-1" eType="#//A"
        containment="true"/>
    <eStructuralFeatures xsi:type="ecore:EReference" name="bs" upperBound="-1" eType="#//B"
        containment="true"/>
  </eClassifiers>
  <eClassifiers xsi:type="ecore:EClass" name="A">
    <eStructuralFeatures xsi:type="ecore:EReference" name="b" eType="#//B"/>
  </eClassifiers>
  <eClassifiers xsi:type="ecore:EClass" name="B">
    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
  </eClassifiers>
</ecore:EPackage>

/**
 */
package foo.provider;


import foo.A;
import foo.FooPackage;

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.IChangeNotifier;
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.INotifyChangedListener;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;

/**
 * This is the item provider adapter for a {@link foo.A} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class AItemProvider 
	extends ItemProviderAdapter
	implements
		IEditingDomainItemProvider,
		IStructuredItemContentProvider,
		ITreeItemContentProvider,
		IItemLabelProvider,
		IItemPropertySource {
	
	private ChangeListener changeListener;

	/**
	 * This constructs an instance from a factory and a notifier.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public AItemProvider(AdapterFactory adapterFactory) {
		super(adapterFactory);
		if(adapterFactory instanceof IChangeNotifier) {
			IChangeNotifier cn = (IChangeNotifier) adapterFactory;
			changeListener = new ChangeListener();
			cn.addListener(changeListener);
		}
	}

	/**
	 * 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);

			addBPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the B feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addBPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_A_b_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_A_b_feature", "_UI_A_type"),
				 FooPackage.Literals.A__B,
				 true,
				 false,
				 true,
				 null,
				 null,
				 null));
	}

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

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	@Override
	public String getText(Object object) {
		A aObj = (A) object;
		String ref = aObj.getB() == null ? "???" : aObj.getB().getName();
		ref = ref == null ? "???" : ref;
		return getString("_UI_A_type")+" -> "+ref; //$NON-NLS-1$
	}

	

	/**
	 * 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(A.class)) {
		case FooPackage.A__B:
			fireNotifyChanged(new ViewerNotification(notification, notification
					.getNotifier(), false, true));
			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);
	}

	/**
	 * Return the resource locator for this item provider's resources.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public ResourceLocator getResourceLocator() {
		return FooEditPlugin.INSTANCE;
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.emf.edit.provider.ItemProviderAdapter#dispose()
	 */
	public void dispose() {
		super.dispose();
		if(changeListener != null) {
			((IChangeNotifier)getAdapterFactory()).removeListener(changeListener);
		}
	}
	
	
	class ChangeListener implements INotifyChangedListener {
		public void notifyChanged(Notification notification) {
			
			if(notification.getNotifier() != null &&  getTarget() != null && notification.getNotifier() == ((A) getTarget()).getB()) {
				((IChangeNotifier) getAdapterFactory()).removeListener(this);
				fireNotifyChanged(new ViewerNotification(notification, getTarget(), false, true));
				((IChangeNotifier) getAdapterFactory()).addListener(this);
			}
		}
	}
}

		public void notifyChanged(Notification notification) {
			if(notification.getNotifier() != null &&  getTarget() != null && notification.getNotifier() == ((A) getTarget()).getB()) {
				((IChangeNotifier) getAdapterFactory()).removeListener(this);
				fireNotifyChanged(new ViewerNotification(notification, getTarget(), true, true));
				((IChangeNotifier) getAdapterFactory()).addListener(this);
			}
			for (Notifier target : targets){
				if(notification.getNotifier() != null &&  target != null && notification.getNotifier() == ((A) target).getB()) {
					((IChangeNotifier) getAdapterFactory()).removeListener(this);
					fireNotifyChanged(new ViewerNotification(notification, target, false, true));
					((IChangeNotifier) getAdapterFactory()).addListener(this);
				}
			}
		}