/*

* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

package com.nokia.carbide.cpp.sdk.examples.actions;

import com.nokia.carbide.cpp.sdk.examples.jobs.NewProjectJob;

import org.eclipse.core.resources.*;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.jface.action.IAction;

import org.eclipse.jface.dialogs.*;

import org.eclipse.jface.viewers.ISelection;

import org.eclipse.ui.IWorkbenchWindow;

import org.eclipse.ui.IWorkbenchWindowActionDelegate;

/**

 * This action is invoked when the user chooses our menu item.

 * The action is responsible for prompting the user for a

 * valid new project name.

 * The project creation is performed in {@link NewProjectJob}

 */

public class NewProjectAction implements IWorkbenchWindowActionDelegate {

	private IWorkbenchWindow window;

	/**

	 * The constructor.

	 */

	public NewProjectAction() {

	}

	/**

	 * The action has been activated. The argument of the

	 * method represents the 'real' action sitting

	 * in the workbench UI.

	 * @see IWorkbenchWindowActionDelegate#run

	 */

	public void run(IAction action) {

		// Validates that the project name is legal and doesn't

		// refer to an existing project.

		IInputValidator validator = new IInputValidator() {

			public String isValid(String newText) {

				String result = null;

				IWorkspace workspace = ResourcesPlugin.getWorkspace();

				IStatus status = workspace.validateName(newText, IResource.PROJECT);

				if (status.isOK()) {

					IResource existingProject = workspace.getRoot().findMember(newText);

					if (existingProject != null) {

						result = "A project with that name already exists.";

					}

				} else {

					result = status.getMessage();

				}

				return result;

			}

		};

		InputDialog dlg = new InputDialog(window.getShell(),

				"Create New Project", "Please enter a name for the new project",

				null, validator);

		if (dlg.open() == Dialog.OK) {

			// Do all the work in a WorkspaceJob

			NewProjectJob job = new NewProjectJob(dlg.getValue());

			job.schedule();

		}

	}

	/**

	 * Selection in the workbench has been changed. We 

	 * can change the state of the 'real' action here

	 * if we want, but this can only happen after 

	 * the delegate has been created.

	 * @see IWorkbenchWindowActionDelegate#selectionChanged

	 */

	public void selectionChanged(IAction action, ISelection selection) {

	}

	/**

	 * We can use this method to dispose of any system

	 * resources we previously allocated.

	 * @see IWorkbenchWindowActionDelegate#dispose

	 */

	public void dispose() {

	}

	/**

	 * We will cache window object in order to

	 * be able to provide parent shell for the message dialog.

	 * @see IWorkbenchWindowActionDelegate#init

	 */

	public void init(IWorkbenchWindow window) {

		this.window = window;

	}

}