plugins/org.eclipse.gmf.tooldef.edit/src/org/eclipse/gmf/tooldef/provider/AbstractToolItemProvider.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package org.eclipse.gmf.tooldef.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.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.gmf.tooldef.AbstractTool;
import org.eclipse.gmf.tooldef.GMFToolFactory;
import org.eclipse.gmf.tooldef.GMFToolPackage;

/**
 * This is the item provider adapter for a {@link org.eclipse.gmf.tooldef.AbstractTool} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class AbstractToolItemProvider 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 AbstractToolItemProvider(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);

			addTitlePropertyDescriptor(object);
			addDescriptionPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Title feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addTitlePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(),
				getString("_UI_AbstractTool_title_feature"), getString("_UI_PropertyDescriptor_description", "_UI_AbstractTool_title_feature", "_UI_AbstractTool_type"),
				GMFToolPackage.eINSTANCE.getAbstractTool_Title(), true, false, false, ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}

	/**
	 * This adds a property descriptor for the Description feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addDescriptionPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(),
				getString("_UI_AbstractTool_description_feature"), getString("_UI_PropertyDescriptor_description", "_UI_AbstractTool_description_feature", "_UI_AbstractTool_type"),
				GMFToolPackage.eINSTANCE.getAbstractTool_Description(), 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(GMFToolPackage.eINSTANCE.getAbstractTool_SmallIcon());
			childrenFeatures.add(GMFToolPackage.eINSTANCE.getAbstractTool_LargeIcon());
		}
		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 = ((AbstractTool) object).getTitle();
		return label == null || label.length() == 0 ? getString("_UI_AbstractTool_type") : getString("_UI_AbstractTool_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(AbstractTool.class)) {
		case GMFToolPackage.ABSTRACT_TOOL__TITLE:
		case GMFToolPackage.ABSTRACT_TOOL__DESCRIPTION:
			fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
			return;
		case GMFToolPackage.ABSTRACT_TOOL__SMALL_ICON:
		case GMFToolPackage.ABSTRACT_TOOL__LARGE_ICON:
			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(GMFToolPackage.eINSTANCE.getAbstractTool_SmallIcon(), GMFToolFactory.eINSTANCE.createDefaultImage()));

		newChildDescriptors.add(createChildParameter(GMFToolPackage.eINSTANCE.getAbstractTool_SmallIcon(), GMFToolFactory.eINSTANCE.createBundleImage()));

		newChildDescriptors.add(createChildParameter(GMFToolPackage.eINSTANCE.getAbstractTool_LargeIcon(), GMFToolFactory.eINSTANCE.createDefaultImage()));

		newChildDescriptors.add(createChildParameter(GMFToolPackage.eINSTANCE.getAbstractTool_LargeIcon(), GMFToolFactory.eINSTANCE.createBundleImage()));
	}

	/**
	 * This returns the label text for {@link org.eclipse.emf.edit.command.CreateChildCommand}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String getCreateChildText(Object owner, Object feature, Object child, Collection<?> selection) {
		Object childFeature = feature;
		Object childObject = child;

		boolean qualify = childFeature == GMFToolPackage.eINSTANCE.getAbstractTool_SmallIcon() || childFeature == GMFToolPackage.eINSTANCE.getAbstractTool_LargeIcon();

		if (qualify) {
			return getString("_UI_CreateChild_text2", new Object[] { getTypeText(childObject), getFeatureText(childFeature), getTypeText(owner) });
		}
		return super.getCreateChildText(owner, feature, child, selection);
	}

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

}