/*******************************************************************************
 * Copyright (c) 2003, 2005 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.provider;


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

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.Path;
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.ecore.resource.Resource;
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.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
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.jem.util.emf.workbench.ProjectUtilities;
import org.eclipse.jst.j2ee.client.ApplicationClient;
import org.eclipse.jst.j2ee.client.ClientPackage;
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.application.provider.ApplicationProvidersResourceHandler;
import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin;
import org.eclipse.jst.j2ee.internal.webservices.WSDLServiceExtManager;
import org.eclipse.jst.j2ee.internal.webservices.WSDLServiceHelper;
import org.eclipse.jst.j2ee.webservice.wsclient.Webservice_clientFactory;

/**
 * This is the item provider adpater for a
 * {@link org.eclipse.jst.j2ee.internal.internal.client.ApplicationClient}object.
 */
public class ApplicationClientItemProvider extends CompatibilityDescriptionGroupItemProvider implements IEditingDomainItemProvider, IItemLabelProvider, IItemPropertySource, IStructuredItemContentProvider, ITreeItemContentProvider {
	/**
	 * This constructs an instance from a factory and a notifier.
	 */
	public ApplicationClientItemProvider(AdapterFactory adapterFactory) {
		super(adapterFactory);
	}

	/**
	 * This creates a new child for
	 * {@link org.eclipse.jst.j2ee.internal.internal.client.command.CreateChildCommand}.
	 */
	public Object createChild(Object object) {
		// TODO: create some child object.
		return null;
	}

	/**
	 * This specifies how to implement {@link #getChildren}and {@link AddCommand}and
	 * {@link RemoveCommand}support in {@link #createCommand}.
	 */
	public Collection getChildrenReferences(Object object) {
		ClientPackage pkg = ClientPackage.eINSTANCE;
		Collection result = new ArrayList();
		result.add(pkg.getApplicationClient_EjbReferences());
		result.add(pkg.getApplicationClient_ResourceRefs());
		result.add(pkg.getApplicationClient_ResourceEnvRefs());
		result.add(pkg.getApplicationClient_EnvironmentProps());
		result.add(pkg.getApplicationClient_MessageDestinationRefs());
		result.add(pkg.getApplicationClient_ServiceRefs());
		return result;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	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.client.command.CreateChildCommand}.
	 */
	public Object getCreateChildImage(Object object) {
		EObject refObject = (EObject) object;
		return J2EEPlugin.getPlugin().getImage(refObject.eClass().getName() + "Create#CHILD_CLASS_NAME#"); //$NON-NLS-1$
	}

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

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

	/**
	 * This returns ApplicationClient.gif.
	 */
	public Object getImage(Object object) {
		String key = null;
		if (((ApplicationClient) object).eResource() == null)
			return J2EEPlugin.getPlugin().getImage("applclientJAR_obj"); //$NON-NLS-1$
		switch (((ApplicationClient) object).getVersionID()) {
			case J2EEVersionConstants.J2EE_1_2_ID :
				key = "appclient_12"; //$NON-NLS-1$
				break;
			case J2EEVersionConstants.J2EE_1_3_ID :
				key = "appclient_13"; //$NON-NLS-1$
				break;
			case J2EEVersionConstants.J2EE_1_4_ID :
			default :
				key = "appclient_14"; //$NON-NLS-1$
				break;
		}
		return J2EEPlugin.getPlugin().getImage(key);
	}

	/**
	 * This returns the parent of the ApplicationClient.
	 */
	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_ApplicationClient_version_feature"), //$NON-NLS-1$
					getString("_UI_PropertyDescriptor_description", "_UI_ApplicationClient_version_feature", "_UI_ApplicationClient_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
					ClientPackage.eINSTANCE.getApplicationClient_Version(), true, ItemPropertyDescriptor.GENERIC_VALUE_IMAGE));
	}

	/**
	 * This adds a property descriptor for the Callback Handler feature. <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addCallbackHandlerPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(new ItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getString("_UI_ApplicationClient_callbackHandler_feature"), //$NON-NLS-1$
					getString("_UI_PropertyDescriptor_description", "_UI_ApplicationClient_callbackHandler_feature", "_UI_ApplicationClient_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
					ClientPackage.eINSTANCE.getApplicationClient_CallbackHandler(), true));
	}

	public String getText(Object object) {

		/*
		 * String displayName = ((ApplicationClient) object).getDisplayName(); return displayName ==
		 * null ? "" ApplicationProvidersResourceHandler.getString(" < <No_display_name>>_ERROR_") :
		 * displayName; //$NON-NLS-1$
		 */
		ApplicationClient appclient = ((ApplicationClient) object);
		if (appclient.getDisplayName() == null) {
			try {
				IProject project = ProjectUtilities.getProject(appclient);
				return project.getDescription().getName();
			} catch (Exception e) {
				//Ignore
			}

			Resource resource = appclient.eResource();
			if (resource != null) {
				return new Path(resource.getURI().toString()).removeFileExtension().lastSegment();
			}
			return ""; //$NON-NLS-1$
		}
		return appclient.getDisplayName();
	}

	/**
	 * This handles notification by calling {@link #fireNotifyChanged fireNotifyChanged}. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public void notifyChanged(Notification notification) {
		switch (notification.getFeatureID(ApplicationClient.class)) {
			case ClientPackage.APPLICATION_CLIENT__VERSION :
			case ClientPackage.APPLICATION_CLIENT__RESOURCE_REFS :
			case ClientPackage.APPLICATION_CLIENT__ENVIRONMENT_PROPS :
			case ClientPackage.APPLICATION_CLIENT__EJB_REFERENCES :
			case ClientPackage.APPLICATION_CLIENT__RESOURCE_ENV_REFS :
			case ClientPackage.APPLICATION_CLIENT__SERVICE_REFS :
			case ClientPackage.APPLICATION_CLIENT__MESSAGE_DESTINATION_REFS :
			case ClientPackage.APPLICATION_CLIENT__MESSAGE_DESTINATIONS : {
				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
	 */
	protected void collectNewChildDescriptors(Collection newChildDescriptors, Object object) {
		super.collectNewChildDescriptors(newChildDescriptors, object);

		newChildDescriptors.add(createChildParameter(ClientPackage.eINSTANCE.getApplicationClient_ResourceRefs(), CommonFactory.eINSTANCE.createResourceRef()));

		newChildDescriptors.add(createChildParameter(ClientPackage.eINSTANCE.getApplicationClient_EnvironmentProps(), CommonFactory.eINSTANCE.createEnvEntry()));

		newChildDescriptors.add(createChildParameter(ClientPackage.eINSTANCE.getApplicationClient_EjbReferences(), CommonFactory.eINSTANCE.createEjbRef()));

		newChildDescriptors.add(createChildParameter(ClientPackage.eINSTANCE.getApplicationClient_EjbReferences(), CommonFactory.eINSTANCE.createEJBLocalRef()));

		newChildDescriptors.add(createChildParameter(ClientPackage.eINSTANCE.getApplicationClient_ResourceEnvRefs(), CommonFactory.eINSTANCE.createResourceEnvRef()));

		newChildDescriptors.add(createChildParameter(ClientPackage.eINSTANCE.getApplicationClient_ServiceRefs(), Webservice_clientFactory.eINSTANCE.createServiceRef()));

		newChildDescriptors.add(createChildParameter(ClientPackage.eINSTANCE.getApplicationClient_MessageDestinationRefs(), CommonFactory.eINSTANCE.createMessageDestinationRef()));

		newChildDescriptors.add(createChildParameter(ClientPackage.eINSTANCE.getApplicationClient_MessageDestinations(), CommonFactory.eINSTANCE.createMessageDestination()));
	}

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

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getChildren(java.lang.Object)
	 */
	public Collection getChildren(Object object) {
		ApplicationClient client = (ApplicationClient) object;
		Collection myChildren = super.getChildren(object);
		myChildren.addAll(client.getMessageDestinations());
		if (client.getVersionID() <= J2EEVersionConstants.J2EE_1_3_ID) {
			WSDLServiceHelper serviceHelper = WSDLServiceExtManager.getServiceHelper();
			myChildren.addAll(serviceHelper.get13ServiceRefs(client));
		}	
		return myChildren;
	}
}