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.eclipse.swt.events.SelectionListener;
  17
  18 import eu.etaxonomy.cdm.model.media.MediaRepresentationPart;
  19 import eu.etaxonomy.taxeditor.ui.element.AbstractFormSection;
  20 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  21 import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
  22 import eu.etaxonomy.taxeditor.ui.element.NumberWithLabelElement;
  23 import eu.etaxonomy.taxeditor.ui.element.UriWithLabelElement;
  24 import eu.etaxonomy.taxeditor.ui.section.AbstractEntityCollectionElement;
  25
  26 /**
  27  * <p>Abstract AbstractMediaRepresentationPartElement class.</p>
  28  *
  29  * @author n.hoffmann
  30  * @created Mar 24, 2010
  31  * @version 1.0
  32  */
  33 public class MediaRepresentationPartElement<T extends MediaRepresentationPart> extends
  34                 AbstractEntityCollectionElement<T> {
  35
  36         protected UriWithLabelElement text_uri;
  37         protected NumberWithLabelElement text_size;
  38
  39         public MediaRepresentationPartElement(CdmFormFactory formFactory,
  40                         AbstractFormSection section,
  41                         T element, SelectionListener removeListener,
  42                         int style) {
  43                 super(formFactory, section, element, removeListener, null, style);
  44         }
  45
  46         /** {@inheritDoc} */
  47         @Override
  48         public void createControls(ICdmFormElement element, int style) {
  49                 text_uri = formFactory.createUriWithLabelElement(element, "URI", null, style);
  50                 text_size = formFactory.createNumberTextWithLabelElement(element, "Size", null, style);
  51                 text_size.setEnabled(false);
  52         }
  53
  54         @Override
  55         public void setEntity(T entity) {
  56                 this.entity = entity;
  57                 if(entity.getSize() != null){
  58                         text_size.setText(FileUtils.byteCountToDisplaySize(entity.getSize()));
  59                 }
  60                 if(entity.getUri() != null){
  61                         text_uri.setParsedText(entity.getUri());
  62                 } else {
  63             String uriBuffer = getParentMediaDetailElement().getUriBuffer();
  64             if(uriBuffer!=null){
  65                 text_uri.setText(uriBuffer);
  66                 text_uri.parseText();//just to update the error label
  67             }
  68         }
  69         }
  70
  71         @Override
  72         public void handleEvent(Object eventSource) {
  73                 if(eventSource == text_uri){
  74                     URI uri = text_uri.parseText();
  75                     getEntity().setUri(uri);
  76                     if(uri==null){
  77                 //buffer URI if parsing error occurred
  78                 MediaDetailElement parentMediaDetailElement = getParentMediaDetailElement();
  79                 if(parentMediaDetailElement!=null){
  80                     parentMediaDetailElement.setUriBuffer(text_uri.getText());
  81                 }
  82             }
  83
  84                     firePropertyChangeEvent(this);
  85                 }
  86         }
  87
  88     protected MediaDetailElement getParentMediaDetailElement() {
  89         ICdmFormElement parentElement = getParentElement();
  90         while(parentElement!=null){
  91             parentElement = parentElement.getParentElement();
  92             if(parentElement instanceof MediaDetailElement){
  93                 return (MediaDetailElement) parentElement;
  94             }
  95         }
  96         return null;
  97     }
  98
  99 }