eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/element/UriWithLabelElement.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.ui.element;
  12
  13 import java.net.MalformedURLException;
  14 import java.net.URI;
  15
  16 import org.eclipse.core.runtime.IStatus;
  17 import org.eclipse.core.runtime.Status;
  18 import org.eclipse.swt.SWT;
  19 import org.eclipse.swt.events.SelectionAdapter;
  20 import org.eclipse.swt.events.SelectionEvent;
  21 import org.eclipse.swt.widgets.Button;
  22 import org.eclipse.swt.widgets.Composite;
  23 import org.eclipse.swt.widgets.Display;
  24 import org.eclipse.swt.widgets.Label;
  25 import org.eclipse.swt.widgets.Layout;
  26 import org.eclipse.ui.PartInitException;
  27 import org.eclipse.ui.PlatformUI;
  28 import org.eclipse.ui.forms.widgets.TableWrapLayout;
  29
  30 import eu.etaxonomy.taxeditor.model.ImageResources;
  31 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  32 import eu.etaxonomy.taxeditor.store.internal.TaxeditorStorePlugin;
  33
  34 /**
  35  * @author n.hoffmann
  36  * @created Dec 20, 2010
  37  * @version 1.0
  38  */
  39 public class UriWithLabelElement extends TextWithLabelElement {
  40
  41     private final Label labelException;
  42     private final Button btnOpenBrowser;
  43     private static final int NUM_COLUMNS = 3;
  44
  45         protected UriWithLabelElement(CdmFormFactory formFactory,
  46                         ICdmFormElement parentElement, String labelString,
  47                         URI initialUri, Integer textHeight, int style) {
  48                 super(formFactory, parentElement, false);
  49
  50                 Layout parentLayout = getLayoutComposite().getLayout();
  51                 int parentNumColumns = 2;
  52                 if(parentLayout instanceof TableWrapLayout){
  53                     parentNumColumns = ((TableWrapLayout)parentLayout).numColumns;
  54                 }
  55         Composite layoutComposite = formFactory.createComposite(getLayoutComposite());
  56         addControl(layoutComposite);
  57
  58         layoutComposite.setLayout(LayoutConstants.LAYOUT(3, false));
  59         layoutComposite.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(parentNumColumns, 1));
  60
  61         init(formFactory, labelString, null, textHeight, null, false, style, layoutComposite);
  62
  63                 btnOpenBrowser = formFactory.createButton(layoutComposite, "", SWT.NONE);
  64                 btnOpenBrowser.setImage(ImageResources.getImage(ImageResources.ADD_CHILD_TAXON_ICON));
  65                 btnOpenBrowser.setToolTipText("Open in external browser");
  66                 btnOpenBrowser.addSelectionListener(new SelectionAdapter() {
  67                     @Override
  68                     public void widgetSelected(SelectionEvent e) {
  69                         String errorTitle = "Invalid URL";
  70                         String errorText = "Could not open external browser. URL is invalid";
  71
  72                         URI uri = getUri();
  73                         if(uri!=null){
  74                             try {
  75                         PlatformUI.getWorkbench().getBrowserSupport().getExternalBrowser().openURL(uri.toURL());
  76                     } catch (PartInitException pie) {
  77                         MessagingUtils.informationDialog(errorTitle, new Status(IStatus.WARNING, TaxeditorStorePlugin.PLUGIN_ID, errorText, pie));
  78                     } catch (MalformedURLException mue) {
  79                         MessagingUtils.informationDialog(errorTitle, new Status(IStatus.WARNING, TaxeditorStorePlugin.PLUGIN_ID, errorText, mue));
  80                     } catch (IllegalArgumentException iae) {
  81                         MessagingUtils.informationDialog(errorTitle, new Status(IStatus.WARNING, TaxeditorStorePlugin.PLUGIN_ID, errorText, iae));
  82                     }
  83                         }
  84                     }
  85         });
  86                 btnOpenBrowser.setLayoutData(LayoutConstants.RIGHT());
  87
  88                 labelException = formFactory.createLabel(layoutComposite, "", SWT.WRAP);
  89                 labelException.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(NUM_COLUMNS, 1));
  90                 addControl(labelException);
  91                 setUri(initialUri);
  92         }
  93
  94         public void setUri(URI uri) {
  95                 if(uri != null){
  96                         super.setText(uri.toString());
  97                 }
  98         }
  99
 100         public URI getUri(){
 101         try {
 102             labelException.setBackground(getPersistentBackground());
 103             labelException.setText("");
 104             return new URI(super.getText());
 105         } catch (Exception e) {
 106             labelException.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));
 107             labelException.setText(e.getMessage());
 108             return null;
 109         }
 110         }
 111
 112 }