/*******************************************************************************
 * Copyright (c) 2008-2011 Chair for Applied Software Engineering,
 * Technische Universitaet Muenchen.
 * 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:
 ******************************************************************************/
package org.eclipse.emf.emfstore.client.ui.dialogs;

import org.eclipse.emf.emfstore.client.model.ProjectSpace;
import org.eclipse.emf.emfstore.client.model.Usersession;
import org.eclipse.emf.emfstore.client.model.WorkspaceManager;
import org.eclipse.emf.emfstore.client.model.util.EMFStoreCommand;
import org.eclipse.emf.emfstore.server.exceptions.AccessControlException;
import org.eclipse.emf.emfstore.server.exceptions.EmfStoreException;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.layout.LayoutConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

/**
 * Create project dialog.
 * 
 * @author shterev
 */
public class CreateProjectDialog extends TitleAreaDialog {

	private Text txtProjectName;
	private Text txtProjectDesc;
	private Usersession session;

	/**
	 * Default constructor.
	 * 
	 * @param parent the parent shell
	 * @param session the target usersession
	 */
	public CreateProjectDialog(Shell parent, Usersession session) {
		super(parent);
		this.session = session;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected Control createDialogArea(Composite parent) {
		Composite contents = new Composite(parent, SWT.NONE);
		contents.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

		setTitle("Create new project");
		setMessage("Enter the name and the description of the project");

		Label name = new Label(contents, SWT.NULL);
		name.setText("Name:");
		txtProjectName = new Text(contents, SWT.SINGLE | SWT.BORDER);
		txtProjectName.setSize(150, 20);

		Label desc = new Label(contents, SWT.NULL);
		desc.setText("Description:");
		txtProjectDesc = new Text(contents, SWT.MULTI | SWT.BORDER);
		txtProjectDesc.setSize(150, 60);

		Point defaultMargins = LayoutConstants.getMargins();
		GridLayoutFactory.fillDefaults().numColumns(2).margins(defaultMargins.x, defaultMargins.y)
			.generateLayout(contents);

		return contents;
	}

	private ProjectSpace projectSpace;

	/**
	 * @return the projectSpace
	 */
	public ProjectSpace getProjectSpace() {
		return projectSpace;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void okPressed() {
		new EMFStoreCommand() {

			@Override
			protected void doRun() {
				try {

					if (session != null) {
						WorkspaceManager.getInstance().getCurrentWorkspace()
							.createRemoteProject(session, txtProjectName.getText(), txtProjectDesc.getText());
					} else {
						projectSpace = WorkspaceManager.getInstance().getCurrentWorkspace()
							.createLocalProject(txtProjectName.getText(), txtProjectDesc.getText());
					}

				} catch (AccessControlException e) {
					String title = "Create Project failed!";
					MessageDialog.openError(getShell(), title, "Creating a project failed because access was denied!");
				} catch (EmfStoreException e) {
					String title = "Create Project failed!";
					MessageDialog.openError(getShell(), title, "Creating a project failed: " + e.getMessage());
				}
			}

		}.run();
		close();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void cancelPressed() {
		close();
	}

}