eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/section/media/MediaRepresentationPartElement.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.section.media;
  12
  13 import java.net.URI;
  14
  15 import org.apache.commons.io.FileUtils;
  16 import org.apache.commons.lang.StringUtils;
  17 import org.eclipse.swt.events.SelectionListener;
  18
  19 import eu.etaxonomy.cdm.model.media.MediaRepresentationPart;
  20 import eu.etaxonomy.taxeditor.ui.element.AbstractFormSection;
  21 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  22 import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
  23 import eu.etaxonomy.taxeditor.ui.element.LabelElement;
  24 import eu.etaxonomy.taxeditor.ui.element.NumberWithLabelElement;
  25 import eu.etaxonomy.taxeditor.ui.element.TextWithLabelElement;
  26 import eu.etaxonomy.taxeditor.ui.section.AbstractEntityCollectionElement;
  27
  28 /**
  29  * <p>Abstract AbstractMediaRepresentationPartElement class.</p>
  30  *
  31  * @author n.hoffmann
  32  * @created Mar 24, 2010
  33  * @version 1.0
  34  */
  35 public class MediaRepresentationPartElement<T extends MediaRepresentationPart> extends
  36                 AbstractEntityCollectionElement<T> {
  37
  38         protected TextWithLabelElement text_uri;
  39         protected NumberWithLabelElement text_size;
  40
  41         protected LabelElement element_messages;
  42
  43         /**
  44          * <p>Constructor for AbstractMediaRepresentationPartElement.</p>
  45          *
  46          * @param formFactory a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory} object.
  47          * @param section a {@link eu.etaxonomy.taxeditor.ui.element.AbstractFormSection} object.
  48          * @param element a T object.
  49          * @param removeListener a {@link org.eclipse.swt.events.SelectionListener} object.
  50          * @param style a int.
  51          * @param <T> a T object.
  52          */
  53         public MediaRepresentationPartElement(CdmFormFactory formFactory,
  54                         AbstractFormSection section,
  55                         T element, SelectionListener removeListener,
  56                         int style) {
  57                 super(formFactory, section, element, removeListener, null, style);
  58         }
  59
  60         /** {@inheritDoc} */
  61         @Override
  62         public void createControls(ICdmFormElement element, int style) {
  63                 text_uri = formFactory.createTextWithLabelElement(element, "URI", null, style);
  64                 text_size = formFactory.createNumberTextWithLabelElement(element, "Size", null, style);
  65                 text_size.setEnabled(false);
  66
  67                 element_messages = formFactory.createLabel(element, "");
  68         }
  69
  70         @Override
  71         public void setEntity(T entity) {
  72                 this.entity = entity;
  73                 if(entity.getSize() != null){
  74                         text_size.setText(FileUtils.byteCountToDisplaySize(entity.getSize()));
  75                 }
  76                 if(entity.getUri() != null){
  77                         text_uri.setText(entity.getUri().toString());
  78                 }
  79                 element_messages.setText("We currrently do not know how to display this generic MediaRepresentationPart to you.");
  80         }
  81
  82         @Override
  83         public void handleEvent(Object eventSource) {
  84                 if(eventSource == text_uri){
  85                         try {
  86                                 String uriString = text_uri.getText();
  87                                 URI uri = StringUtils.isNotEmpty(uriString) ? new URI(uriString) : null;
  88                                 getEntity().setUri(uri);
  89                         } catch (Exception e) {
  90                                 handleException(e);
  91                         } finally {
  92                                 firePropertyChangeEvent(this);
  93                         }
  94                 }
  95         }
  96
  97         protected void handleException(Exception e) {
  98                 element_messages.setText(e.getMessage());
  99                 text_size.setText("");
 100         }
 101
 102 }