eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/section/media/MediaRepresentationPartElement.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.ui.section.media;
  11
  12 import java.net.URI;
  13
  14 import org.apache.commons.io.FileUtils;
  15 import org.eclipse.swt.events.SelectionListener;
  16
  17 import eu.etaxonomy.cdm.model.media.MediaRepresentationPart;
  18 import eu.etaxonomy.taxeditor.ui.element.AbstractFormSection;
  19 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  20 import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
  21 import eu.etaxonomy.taxeditor.ui.element.NumberWithLabelElement;
  22 import eu.etaxonomy.taxeditor.ui.element.UriWithLabelElement;
  23 import eu.etaxonomy.taxeditor.ui.section.AbstractEntityCollectionElement;
  24
  25 /**
  26  * <p>Abstract AbstractMediaRepresentationPartElement class.</p>
  27  *
  28  * @author n.hoffmann
  29  * @created Mar 24, 2010
  30  * @version 1.0
  31  */
  32 public class MediaRepresentationPartElement<T extends MediaRepresentationPart> extends
  33                 AbstractEntityCollectionElement<T> {
  34
  35         protected UriWithLabelElement text_uri;
  36         protected NumberWithLabelElement text_size;
  37
  38         public MediaRepresentationPartElement(CdmFormFactory formFactory,
  39                         AbstractFormSection section,
  40                         T element, SelectionListener removeListener,
  41                         int style) {
  42                 super(formFactory, section, element, removeListener, null, style);
  43         }
  44
  45         /** {@inheritDoc} */
  46         @Override
  47         public void createControls(ICdmFormElement element, int style) {
  48                 text_uri = formFactory.createUriWithLabelElement(element, "URI", null, style);
  49                 text_size = formFactory.createNumberTextWithLabelElement(element, "Size", null, style);
  50                 text_size.setEnabled(false);
  51         }
  52
  53         @Override
  54         public void setEntity(T entity) {
  55                 this.entity = entity;
  56                 if(entity.getSize() != null){
  57                         text_size.setText(FileUtils.byteCountToDisplaySize(entity.getSize()));
  58                 }
  59                 if(entity.getUri() != null){
  60                         text_uri.setParsedText(entity.getUri());
  61                 } else {
  62             String uriBuffer = getParentMediaDetailElement().getUriBuffer();
  63             if(uriBuffer!=null){
  64                 text_uri.setText(uriBuffer);
  65                 text_uri.parseText();//just to update the error label
  66             }
  67         }
  68         }
  69
  70         @Override
  71         public void handleEvent(Object eventSource) {
  72                 if(eventSource == text_uri){
  73                     URI uri = text_uri.parseText();
  74                     getEntity().setUri(uri);
  75                     if(uri==null){
  76                 //buffer URI if parsing error occurred
  77                 MediaDetailElement parentMediaDetailElement = getParentMediaDetailElement();
  78                 if(parentMediaDetailElement!=null){
  79                     parentMediaDetailElement.setUriBuffer(text_uri.getText());
  80                 }
  81             }
  82
  83                     firePropertyChangeEvent(this);
  84                 }
  85         }
  86
  87     protected MediaDetailElement getParentMediaDetailElement() {
  88         ICdmFormElement parentElement = getParentElement();
  89         while(parentElement!=null){
  90             parentElement = parentElement.getParentElement();
  91             if(parentElement instanceof MediaDetailElement){
  92                 return (MediaDetailElement) parentElement;
  93             }
  94         }
  95         return null;
  96     }
  97
  98 }