examples/org.eclipse.epsilon.eugenia.examples.flowchart.edit/src/flowchart/provider/FlowchartItemProvider.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package flowchart.provider;


import flowchart.Flowchart;
import flowchart.FlowchartFactory;
import flowchart.FlowchartPackage;

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.ecore.EStructuralFeature;

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.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;

/**
 * This is the item provider adapter for a {@link flowchart.Flowchart} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class FlowchartItemProvider
	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 FlowchartItemProvider(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 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(FlowchartPackage.Literals.FLOWCHART__NODES);
      childrenFeatures.add(FlowchartPackage.Literals.FLOWCHART__TRANSITIONS);
    }
    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 Flowchart.gif.
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	@Override
	public Object getImage(Object object) {
    return overlayImage(object, getResourceLocator().getImage("full/obj16/Flowchart"));
  }

	/**
   * This returns the label text for the adapted class.
   * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
   * @generated
   */
	@Override
	public String getText(Object object) {
    return getString("_UI_Flowchart_type");
  }

	/**
   * 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(Flowchart.class))
    {
      case FlowchartPackage.FLOWCHART__NODES:
      case FlowchartPackage.FLOWCHART__TRANSITIONS:
        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
        (FlowchartPackage.Literals.FLOWCHART__NODES,
         FlowchartFactory.eINSTANCE.createSubflow()));

    newChildDescriptors.add
      (createChildParameter
        (FlowchartPackage.Literals.FLOWCHART__NODES,
         FlowchartFactory.eINSTANCE.createAction()));

    newChildDescriptors.add
      (createChildParameter
        (FlowchartPackage.Literals.FLOWCHART__NODES,
         FlowchartFactory.eINSTANCE.createDecision()));

    newChildDescriptors.add
      (createChildParameter
        (FlowchartPackage.Literals.FLOWCHART__TRANSITIONS,
         FlowchartFactory.eINSTANCE.createTransition()));
  }

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

}