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.ui.PartInitException;
  26 import org.eclipse.ui.PlatformUI;
  27 import org.eclipse.ui.forms.widgets.TableWrapLayout;
  28
  29 import eu.etaxonomy.taxeditor.model.ImageResources;
  30 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  31 import eu.etaxonomy.taxeditor.store.internal.TaxeditorStorePlugin;
  32
  33 /**
  34  * @author n.hoffmann
  35  * @created Dec 20, 2010
  36  * @version 1.0
  37  */
  38 public class UriWithLabelElement extends TextWithLabelElement {
  39
  40     private final Label labelException;
  41     private final Button btnOpenBrowser;
  42
  43         protected UriWithLabelElement(CdmFormFactory formFactory,
  44                         ICdmFormElement parentElement, String labelString,
  45                         URI initialUri, Integer textHeight, int style) {
  46                 super(formFactory, parentElement, false);
  47
  48                 //label
  49         initLabel(formFactory, labelString, false, getLayoutComposite());
  50
  51         //composite(uri + button)
  52         Composite textAndButton = formFactory.createComposite(getLayoutComposite(), style);
  53         textAndButton.setLayout(LayoutConstants.LAYOUT(2, false));
  54         textAndButton.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());
  55
  56         //uri text
  57         initText(formFactory, null, textHeight, null, false, style, textAndButton);
  58
  59         //button
  60                 btnOpenBrowser = formFactory.createButton(textAndButton, "", SWT.NONE);
  61                 btnOpenBrowser.setImage(ImageResources.getImage(ImageResources.WEB));
  62                 btnOpenBrowser.setToolTipText("Open in external browser");
  63                 btnOpenBrowser.addSelectionListener(new SelectionAdapter() {
  64                     @Override
  65                     public void widgetSelected(SelectionEvent e) {
  66                         String errorTitle = "Invalid URL";
  67                         String errorText = "Could not open external browser. URL is invalid";
  68
  69                         URI uri = getUri();
  70                         if(uri!=null){
  71                             try {
  72                         PlatformUI.getWorkbench().getBrowserSupport().getExternalBrowser().openURL(uri.toURL());
  73                     } catch (PartInitException pie) {
  74                         MessagingUtils.informationDialog(errorTitle, new Status(IStatus.WARNING, TaxeditorStorePlugin.PLUGIN_ID, errorText, pie));
  75                     } catch (MalformedURLException mue) {
  76                         MessagingUtils.informationDialog(errorTitle, new Status(IStatus.WARNING, TaxeditorStorePlugin.PLUGIN_ID, errorText, mue));
  77                     } catch (IllegalArgumentException iae) {
  78                         MessagingUtils.informationDialog(errorTitle, new Status(IStatus.WARNING, TaxeditorStorePlugin.PLUGIN_ID, errorText, iae));
  79                     }
  80                         }
  81                     }
  82         });
  83                 btnOpenBrowser.setLayoutData(LayoutConstants.RIGHT());
  84
  85                 labelException = formFactory.createLabel(getLayoutComposite(), "", SWT.WRAP);
  86                 int numColumns = AbstractFormSection.DEFAULT_NUM_COLUMNS;
  87                 if(getLayoutComposite().getLayout() instanceof TableWrapLayout){
  88                     numColumns = ((TableWrapLayout)getLayoutComposite().getLayout()).numColumns;
  89                 }
  90         labelException.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(numColumns, 1));
  91                 addControl(labelException);
  92                 setUri(initialUri);
  93         }
  94
  95         public void setUri(URI uri) {
  96                 if(uri != null){
  97                         super.setText(uri.toString());
  98                 }
  99         }
 100
 101         public URI getUri(){
 102         try {
 103             labelException.setBackground(getPersistentBackground());
 104             labelException.setText("");
 105             return new URI(super.getText());
 106         } catch (Exception e) {
 107             labelException.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));
 108             labelException.setText(e.getMessage());
 109             return null;
 110         }
 111         }
 112
 113 }