/*******************************************************************************
 * Copyright (c) 2012 David A Carlson.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     David A Carlson (XMLmodeling.com) - initial API and implementation
 *******************************************************************************/
package org.openhealthtools.mdht.cts2.core.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.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;

import org.openhealthtools.mdht.cts2.core.CompleteDirectory;
import org.openhealthtools.mdht.cts2.core.CoreFactory;
import org.openhealthtools.mdht.cts2.core.CorePackage;
import org.openhealthtools.mdht.cts2.core.Directory;

/**
 * This is the item provider adapter for a {@link org.openhealthtools.mdht.cts2.core.Directory} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * 
 * @generated
 */
public class DirectoryItemProvider extends MessageItemProvider implements IEditingDomainItemProvider,
		IStructuredItemContentProvider, ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {
	/**
	 * This constructs an instance from a factory and a notifier.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public DirectoryItemProvider(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);

			addCompletePropertyDescriptor(object);
			addNextPropertyDescriptor(object);
			addNumEntriesPropertyDescriptor(object);
			addPrevPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Complete feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addCompletePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(),
			getString("_UI_Directory_complete_feature"),
			getString("_UI_PropertyDescriptor_description", "_UI_Directory_complete_feature", "_UI_Directory_type"),
			CorePackage.Literals.DIRECTORY__COMPLETE, true, false, false, ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
			null, null));
	}

	/**
	 * This adds a property descriptor for the Next feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addNextPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(),
			getString("_UI_Directory_next_feature"),
			getString("_UI_PropertyDescriptor_description", "_UI_Directory_next_feature", "_UI_Directory_type"),
			CorePackage.Literals.DIRECTORY__NEXT, true, false, false, ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null,
			null));
	}

	/**
	 * This adds a property descriptor for the Num Entries feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addNumEntriesPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(),
			getString("_UI_Directory_numEntries_feature"),
			getString("_UI_PropertyDescriptor_description", "_UI_Directory_numEntries_feature", "_UI_Directory_type"),
			CorePackage.Literals.DIRECTORY__NUM_ENTRIES, true, false, false,
			ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}

	/**
	 * This adds a property descriptor for the Prev feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addPrevPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(),
			getString("_UI_Directory_prev_feature"),
			getString("_UI_PropertyDescriptor_description", "_UI_Directory_prev_feature", "_UI_Directory_type"),
			CorePackage.Literals.DIRECTORY__PREV, 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(CorePackage.Literals.DIRECTORY__DIRECTORY_FILTER);
			childrenFeatures.add(CorePackage.Literals.DIRECTORY__SORT_CRITERIA);
		}
		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) {
		CompleteDirectory labelValue = ((Directory) object).getComplete();
		String label = labelValue == null
				? null
				: labelValue.toString();
		return label == null || label.length() == 0
				? getString("_UI_Directory_type")
				: getString("_UI_Directory_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(Directory.class)) {
			case CorePackage.DIRECTORY__COMPLETE:
			case CorePackage.DIRECTORY__NEXT:
			case CorePackage.DIRECTORY__NUM_ENTRIES:
			case CorePackage.DIRECTORY__PREV:
				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
				return;
			case CorePackage.DIRECTORY__DIRECTORY_FILTER:
			case CorePackage.DIRECTORY__SORT_CRITERIA:
				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(
			CorePackage.Literals.DIRECTORY__DIRECTORY_FILTER, CoreFactory.eINSTANCE.createFilter()));

		newChildDescriptors.add(createChildParameter(
			CorePackage.Literals.DIRECTORY__SORT_CRITERIA, CoreFactory.eINSTANCE.createSortCriteria()));
	}

}
