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.jface.resource.JFaceResources;
  19 import org.eclipse.swt.SWT;
  20 import org.eclipse.swt.events.SelectionAdapter;
  21 import org.eclipse.swt.events.SelectionEvent;
  22 import org.eclipse.swt.widgets.Button;
  23 import org.eclipse.swt.widgets.Composite;
  24 import org.eclipse.swt.widgets.Display;
  25 import org.eclipse.swt.widgets.Label;
  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.Messages;
  31 import eu.etaxonomy.taxeditor.model.ImageResources;
  32 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  33 import eu.etaxonomy.taxeditor.store.internal.TaxeditorStorePlugin;
  34
  35 /**
  36  * @author n.hoffmann
  37  * @created Dec 20, 2010
  38  * @version 1.0
  39  */
  40 public class UriWithLabelElement extends TextWithLabelElement {
  41
  42     private final Label labelException;
  43     private final Button btnOpenBrowser;
  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                 //label
  51         initLabel(formFactory, labelString, false, getLayoutComposite());
  52
  53         //composite(uri + button)
  54         Composite textAndButton = formFactory.createComposite(getLayoutComposite(), style);
  55         textAndButton.setLayout(LayoutConstants.LAYOUT(2, false));
  56         textAndButton.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());
  57
  58         //uri text
  59         initText(formFactory, null, textHeight, null, false, style, textAndButton);
  60
  61         //button
  62                 btnOpenBrowser = formFactory.createButton(textAndButton, "", SWT.NONE);
  63                 btnOpenBrowser.setImage(ImageResources.getImage(ImageResources.WEB));
  64                 btnOpenBrowser.setToolTipText("Open in external browser");
  65                 btnOpenBrowser.addSelectionListener(new SelectionAdapter() {
  66                     @Override
  67                     public void widgetSelected(SelectionEvent e) {
  68                         String errorTitle = "Invalid URL";
  69                         String errorText = "Could not open external browser. URL is invalid";
  70
  71                         URI uri = getUri();
  72                         if(uri!=null){
  73                             try {
  74                         PlatformUI.getWorkbench().getBrowserSupport().getExternalBrowser().openURL(uri.toURL());
  75                     } catch (PartInitException pie) {
  76                         MessagingUtils.informationDialog(errorTitle, new Status(IStatus.WARNING, TaxeditorStorePlugin.PLUGIN_ID, errorText, pie));
  77                     } catch (MalformedURLException mue) {
  78                         MessagingUtils.informationDialog(errorTitle, new Status(IStatus.WARNING, TaxeditorStorePlugin.PLUGIN_ID, errorText, mue));
  79                     } catch (IllegalArgumentException iae) {
  80                         MessagingUtils.informationDialog(errorTitle, new Status(IStatus.WARNING, TaxeditorStorePlugin.PLUGIN_ID, errorText, iae));
  81                     }
  82                         }
  83                     }
  84         });
  85                 btnOpenBrowser.setLayoutData(LayoutConstants.RIGHT());
  86
  87                 labelException = formFactory.createLabel(getLayoutComposite(), "", SWT.WRAP);
  88                 int numColumns = AbstractFormSection.DEFAULT_NUM_COLUMNS;
  89                 if(getLayoutComposite().getLayout() instanceof TableWrapLayout){
  90                     numColumns = ((TableWrapLayout)getLayoutComposite().getLayout()).numColumns;
  91                 }
  92         labelException.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(numColumns, 1));
  93                 addControl(labelException);
  94                 setUri(initialUri);
  95         }
  96
  97         public void setUri(URI uri) {
  98                 if(uri != null){
  99                         super.setText(uri.toString());
 100                 }
 101         }
 102
 103         public URI getUri(){
 104         try {
 105             labelException.setFont(JFaceResources.getFontRegistry().get(JFaceResources.DEFAULT_FONT));
 106             labelException.setForeground(getPersistentBackground());
 107             labelException.setText(""); //$NON-NLS-1$
 108             return new URI(super.getText());
 109         } catch (Exception e) {
 110             labelException.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DEFAULT_FONT));
 111             labelException.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));
 112             labelException.setText(Messages.UriWithLabelElement_URL_NOT_SAVED+e.getMessage());
 113             return null;
 114         }
 115         }
 116
 117 }