/*******************************************************************************
 * Copyright (c) 2003, 2006 IBM Corporation and others.
 * 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:
 * IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jst.j2ee.internal.application.provider;


import java.util.ArrayList;
import java.util.Collection;

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.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.edit.command.AddCommand;
import org.eclipse.emf.edit.command.RemoveCommand;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.jst.j2ee.application.Application;
import org.eclipse.jst.j2ee.application.ApplicationFactory;
import org.eclipse.jst.j2ee.application.ApplicationPackage;
import org.eclipse.jst.j2ee.application.Module;
import org.eclipse.jst.j2ee.common.CommonFactory;
import org.eclipse.jst.j2ee.common.internal.provider.CompatibilityDescriptionGroupItemProvider;
import org.eclipse.jst.j2ee.internal.J2EEVersionConstants;
import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin;


/**
 * This is the item provider adpater for a
 * {@link org.eclipse.jst.j2ee.internal.internal.application.Application}object.
 */
public class ApplicationItemProvider extends CompatibilityDescriptionGroupItemProvider {
	/**
	 * This constructs an instance from a factory and a notifier.
	 */
	public ApplicationItemProvider(AdapterFactory adapterFactory) {
		super(adapterFactory);
	}

	/**
	 * This creates a new child for
	 * {@link org.eclipse.jst.j2ee.internal.internal.application.command.CreateChildCommand}.
	 */
	public Object createChild(Object object) {
		// TODO: check that this is what you want.
		Module child = org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin.getPlugin().getApplicationFactory().createModule();

		// TODO: initialize child here...

		return child;
	}

	/**
	 * This specifies how to implement {@link #getChildren}and {@link AddCommand}and
	 * {@link RemoveCommand}support in {@link #createCommand}.
	 */
	@Override
	public Collection getChildrenReferences(Object object) {
		ApplicationPackage pkg = ApplicationPackage.eINSTANCE;
		Collection result = new ArrayList();
		result.add(pkg.getApplication_SecurityRoles());
		result.add(pkg.getApplication_Modules());
		return result;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	protected EReference getChildReference(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.getChildReference(object, child);
	}


	/**
	 * This returns the image for
	 * {@link org.eclipse.jst.j2ee.internal.internal.application.command.CreateChildCommand}.
	 */
	public Object getCreateChildImage(Object object) {
		EObject refObject = (EObject) object;
		return org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin.getPlugin().getImage(refObject.eClass().getName() + "CreateModule"); //$NON-NLS-1$
	}

	/**
	 * This returns the label for
	 * {@link org.eclipse.jst.j2ee.internal.internal.application.command.CreateChildCommand}.
	 */
	public String getCreateChildText(Object object) {
		return ApplicationProvidersResourceHandler.getString("Create_Module_UI_"); //$NON-NLS-1$
	}

	/**
	 * This returns the help text for
	 * {@link org.eclipse.jst.j2ee.internal.internal.application.command.CreateChildCommand}.
	 */
	public String getCreateChildToolTipText(Object object) {
		EObject refObject = (EObject) object;
		return ApplicationProvidersResourceHandler.getString("Create_a_child_of_type_Module_for_the_selected_UI_") + refObject.eClass().getName() + "."; //$NON-NLS-1$ //$NON-NLS-2$
	}

	/**
	 * This returns Application.gif.
	 */
	@Override
	public Object getImage(Object object) {
		String key = null;
		if (((Application) object).eResource() == null)
			return J2EEPlugin.getPlugin().getImage("earFile_obj"); //$NON-NLS-1$
		switch (((Application) object).getVersionID()) {
			case J2EEVersionConstants.J2EE_1_2_ID :
				key = "12_ear_obj"; //$NON-NLS-1$
				break;
			case J2EEVersionConstants.J2EE_1_3_ID :
				key = "13_ear_obj"; //$NON-NLS-1$
				break;
			case J2EEVersionConstants.J2EE_1_4_ID :
			default :
				key = "14_ear_obj"; //$NON-NLS-1$
				break;
		}
		return J2EEPlugin.getPlugin().getImage(key);
	}

	/**
	 * This returns the parent of the Application.
	 */
	@Override
	public Object getParent(Object object) {
		return ((EObject) object).eContainer();
	}

	/**
	 * This adds a property descriptor for the Version feature. <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addVersionPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(new ItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getString("_UI_Application_version_feature"), //$NON-NLS-1$
					getString("_UI_PropertyDescriptor_description", "_UI_Application_version_feature", "_UI_Application_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
					ApplicationPackage.eINSTANCE.getApplication_Version(), true, ItemPropertyDescriptor.GENERIC_VALUE_IMAGE));
	}

	@Override
	public String getText(Object object) {

		String displayName = ((Application) object).getDisplayName();
		return displayName == null ? ApplicationProvidersResourceHandler.getString("<<No_display_name>>_ERROR_") : displayName; //$NON-NLS-1$
	}

	/**
	 * This handles notification by calling {@link #fireNotifyChanged fireNotifyChanged}. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public void notifyChanged(Notification notification) {
		switch (notification.getFeatureID(Application.class)) {
			case ApplicationPackage.APPLICATION__VERSION :
			case ApplicationPackage.APPLICATION__SECURITY_ROLES :
			case ApplicationPackage.APPLICATION__MODULES : {
				fireNotifyChanged(notification);
				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
	 */
	@Override
	protected void collectNewChildDescriptors(Collection newChildDescriptors, Object object) {
		super.collectNewChildDescriptors(newChildDescriptors, object);

		newChildDescriptors.add(createChildParameter(ApplicationPackage.eINSTANCE.getApplication_SecurityRoles(), CommonFactory.eINSTANCE.createSecurityRole()));

		newChildDescriptors.add(createChildParameter(ApplicationPackage.eINSTANCE.getApplication_Modules(), ApplicationFactory.eINSTANCE.createModule()));

		newChildDescriptors.add(createChildParameter(ApplicationPackage.eINSTANCE.getApplication_Modules(), ApplicationFactory.eINSTANCE.createWebModule()));

		newChildDescriptors.add(createChildParameter(ApplicationPackage.eINSTANCE.getApplication_Modules(), ApplicationFactory.eINSTANCE.createJavaClientModule()));

		newChildDescriptors.add(createChildParameter(ApplicationPackage.eINSTANCE.getApplication_Modules(), ApplicationFactory.eINSTANCE.createEjbModule()));

		newChildDescriptors.add(createChildParameter(ApplicationPackage.eINSTANCE.getApplication_Modules(), ApplicationFactory.eINSTANCE.createConnectorModule()));
	}

	/**
	 * Return the resource locator for this item provider's resources. <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public ResourceLocator getResourceLocator() {
		return J2EEPlugin.getDefault();
	}
}