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.dialogs;

import java.net.URI;

import java.net.URISyntaxException;

import org.eclipse.jface.dialogs.IInputValidator;

import org.eclipse.jface.dialogs.InputDialog;

import org.eclipse.jface.window.Window;

import org.eclipse.swt.widgets.Shell;

/**

 * <p>UriDialog class.</p>

 *

 * @author p.ciardelli

 * @created 31.03.2009

 * @version 1.0

 *

 * TODO make this extend TitleAreaDialog

 */

public class UriDialog extends InputDialog {

	/**

	 * @param parentShell

	 * @param dialogTitle

	 * @param dialogMessage

	 * @param initialValue

	 * @param validator

	 */

	private UriDialog(Shell parentShell, String dialogTitle,

			String dialogMessage) {

		super(parentShell, dialogTitle, 

				dialogMessage, "http://", new IInputValidator() {

					public String isValid(String text) {

						try {

							new URI(text);

						} catch (URISyntaxException e) {

							return "URL not correctly formed.";

						}

						if (text.length() <= "http://".length()) {

							return "";

						}

						return null;

					}

		});

	}

	private URI getUri() {

		URI uri = null;

		try {

			uri = new URI(getValue());

		} catch (URISyntaxException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

		return uri;

	}

	/**

	 * <p>getUri</p>

	 *

	 * @param shell a {@link org.eclipse.swt.widgets.Shell} object.

	 * @param dialogTitle a {@link java.lang.String} object.

	 * @param dialogMessage a {@link java.lang.String} object.

	 * @return a {@link java.net.URI} object.

	 */

	public static URI getUri(Shell shell, String dialogTitle,

			String dialogMessage) {

		UriDialog dialog = new UriDialog(shell, 

				dialogTitle, 

				dialogMessage);

		if (dialog.open() == Window.CANCEL) {

			return null;

		}

		return dialog.getUri();

	}

}