EDIT

// $Id$

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy 

* http://www.e-taxonomy.eu

* 

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.datasource.wizard;

import org.eclipse.swt.SWT;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Group;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Text;

import eu.etaxonomy.cdm.database.CdmDataSource;

import eu.etaxonomy.cdm.database.DatabaseTypeEnum;

import eu.etaxonomy.cdm.database.ICdmDataSource;

/**

 * <p>CdmDataSourceMySQLWizardPage class.</p>

 *

 * @author n.hoffmann

 * @created 19.05.2009

 */

public class CdmDataSourceMySQLWizardPage extends CdmDataSourceCredentialsWizardPage {

	private Text text_port;

	private Text text_server;

	private String server;

	private int port;

	/**

	 * <p>Constructor for CdmDataSourceMySQLWizardPage.</p>

	 *

	 * @param dataSource a {@link eu.etaxonomy.cdm.database.ICdmDataSource} object.

	 */

	@Deprecated

	protected CdmDataSourceMySQLWizardPage(ICdmDataSource dataSource) {

		super("MySQL", dataSource, CdmDataSourceWizard.Mode.CREATE);

		setTitle("MySQL Server");

		setDescription("Enter credentials for MySQL database");

	}

	/**

	 * <p>Constructor for CdmDataSourceMySQLWizardPage.</p>

	 *

	 * @param dataSource a {@link eu.etaxonomy.cdm.database.ICdmDataSource} object.

	 * @param mode a {@link eu.etaxonomy.taxeditor.datasource.wizard.CdmDataSourceWizard.Mode} enum type.

	 */

	protected CdmDataSourceMySQLWizardPage(ICdmDataSource dataSource, CdmDataSourceWizard.Mode mode) {

		super("MySQL", dataSource, mode);

		setTitle("MySQL Server");

		setDescription("Enter credentials for MySQL database");

	}

	/** {@inheritDoc} */

	@Override

	public void createDatabaseForm() {

		// Create group composite for location data 

		locationGroup = new Group(composite, SWT.NONE);

		locationGroup.setText("Location");

		locationGroup.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 2));

		GridLayout locationLayout = new GridLayout();

		locationLayout.numColumns = 2;

		locationGroup.setLayout(locationLayout);

		// Create host label

		Label serverLabel = new Label(locationGroup, SWT.NONE);

		serverLabel.setText("Host:");

		// Create host input

		text_server = new Text(locationGroup, SWT.BORDER);

		text_server.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

		// Create port label

		Label portLabel = new Label(locationGroup, SWT.NONE);

		portLabel.setText("Port:");

		// Create port input

		text_port = new Text(locationGroup, SWT.BORDER);

		text_port.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

	}

	/** {@inheritDoc} */

	@Override

	public void updateLocation() {

		server = text_server.getText();

		try{

			if(! text_port.getText().equals("")){

				port = new Integer(text_port.getText());

				setErrorMessage(null);

			}

		}catch(NumberFormatException e){

			setErrorMessage("Port number contains invalid characters");

		}

	}

	/** {@inheritDoc} */

	@Override

	public void updateDataSource() {	

		ICdmDataSource dataSource = getDataSource();

		if(dataSource == null) {

			setDataSource(CdmDataSource.NewMySqlInstance(server,

					database,

					port,

					username,

					password));

		} else {

			dataSource.setName(name);

			dataSource.setServer(server);

			dataSource.setDatabase(database);

			dataSource.setPort(port);

			dataSource.setUsername(username);

			dataSource.setPassword(password);

		}

	}

	/** {@inheritDoc} */

	@Override

	public void checkPageComplete() {

		// check if widgets of this component are complete

		boolean complete = server.trim().length() != 0;

		// set default port

		if(port == 0){

			port = DatabaseTypeEnum.MySQL.getDefaultPort();

		}

		setPageComplete(complete);

		// check if widgets of the extended class are complete

		super.checkPageComplete();

	}

	/** {@inheritDoc} */

	@Override

	public void init() {

		super.init();

		if(getDataSource() != null){

			removeListeners();

			text_server.setText(getDataSource().getServer());

			text_port.setText(String.valueOf(getDataSource().getPort()));		

			// add listeners after setting text to avoid the modify event being called

			// for the initial value

			addListeners();

		}

	}

	private void addListeners() {

		text_server.addModifyListener(this);

		text_port.addModifyListener(this);

	}

	private void removeListeners() {

		text_server.removeModifyListener(this);

		text_port.removeModifyListener(this);

	}

}