eclipseprojects/eu.etaxonomy.taxeditor/src/eu/etaxonomy/taxeditor/editor/images/UrlDialog.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.editor.images;
  12
  13 import java.net.MalformedURLException;
  14 import java.net.URL;
  15
  16 import org.apache.log4j.Logger;
  17 import org.eclipse.jface.dialogs.IInputValidator;
  18 import org.eclipse.jface.dialogs.InputDialog;
  19 import org.eclipse.jface.window.Window;
  20 import org.eclipse.swt.widgets.Shell;
  21
  22 import eu.etaxonomy.taxeditor.controller.GlobalController;
  23
  24 /**
  25  * @author p.ciardelli
  26  * @created 31.03.2009
  27  * @version 1.0
  28  */
  29 public class UrlDialog extends InputDialog {
  30         private static final Logger logger = Logger.getLogger(UrlDialog.class);
  31         private URL url;
  32
  33         /**
  34          * @param parentShell
  35          * @param dialogTitle
  36          * @param dialogMessage
  37          * @param initialValue
  38          * @param validator
  39          */
  40         private UrlDialog(Shell parentShell, String dialogTitle,
  41                         String dialogMessage) {
  42                 super(parentShell, dialogTitle,
  43                                 dialogMessage, "http://", new IInputValidator() {
  44
  45                                         public String isValid(String text) {
  46                                                 URL url = null;
  47                                                 try {
  48                                                         url = new URL(text);
  49                                                 } catch (MalformedURLException e) {
  50                                                         return "URL not correctly formed.";
  51                                                 }
  52
  53                                                 if (text.length() <= "http://".length()) {
  54                                                         return "";
  55                                                 }
  56                                                 return null;
  57                                         }
  58
  59                 });
  60         }
  61
  62         private URL getUrl() {
  63                 URL url = null;
  64                 try {
  65                         url = new URL(getValue());
  66                 } catch (MalformedURLException e) {
  67                         // TODO Auto-generated catch block
  68                         e.printStackTrace();
  69                 }
  70                 return url;
  71         }
  72
  73         public static URL getUrl(String dialogTitle,
  74                         String dialogMessage) {
  75                 UrlDialog dialog = new UrlDialog(GlobalController.getShell(),
  76                                 dialogTitle,
  77                                 dialogMessage);
  78                 if (dialog.open() == Window.CANCEL) {
  79                         return null;
  80                 }
  81                 return dialog.getUrl();
  82         }
  83 }