eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/section/media/MediaRepresentationElement.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.io.IOException;
  14 import java.net.URI;
  15 import java.util.Collection;
  16
  17 import org.apache.http.HttpException;
  18 import org.eclipse.swt.events.SelectionListener;
  19
  20 import eu.etaxonomy.cdm.common.UriUtils;
  21 import eu.etaxonomy.cdm.common.media.ImageInfo;
  22 import eu.etaxonomy.cdm.model.media.ImageFile;
  23 import eu.etaxonomy.cdm.model.media.MediaRepresentation;
  24 import eu.etaxonomy.cdm.model.media.MediaRepresentationPart;
  25 import eu.etaxonomy.taxeditor.ui.element.AbstractFormSection;
  26 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  27 import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
  28 import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
  29 import eu.etaxonomy.taxeditor.ui.element.TextWithLabelElement;
  30 import eu.etaxonomy.taxeditor.ui.section.AbstractEntityCollectionElement;
  31
  32 /**
  33  * <p>MediaRepresentationElement class.</p>
  34  *
  35  * @author n.hoffmann
  36  * @created Mar 24, 2010
  37  * @version 1.0
  38  */
  39 public class MediaRepresentationElement extends AbstractEntityCollectionElement<MediaRepresentation> {
  40
  41         private MediaRepresentationPartSection section_mediaRepresentationPart;
  42         private TextWithLabelElement text_mimeType;
  43         private TextWithLabelElement text_suffix;
  44
  45         public MediaRepresentationElement(CdmFormFactory cdmFormFactory,
  46                         AbstractFormSection section,
  47                         MediaRepresentation element, SelectionListener removeListener,
  48                         int style) {
  49                 super(cdmFormFactory, section, element, removeListener, null, style);
  50         }
  51
  52         /** {@inheritDoc} */
  53         @Override
  54         public void createControls(ICdmFormElement element, int style) {
  55                 text_mimeType = formFactory.createTextWithLabelElement(element, "Mime Type", null, style);
  56                 text_suffix = formFactory.createTextWithLabelElement(element, "Suffix", null, style);
  57                 section_mediaRepresentationPart = formFactory.createMediaRepresentationPartSection(getConversationHolder(), element, style);
  58                 section_mediaRepresentationPart.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));
  59         }
  60
  61         /** {@inheritDoc} */
  62         @Override
  63         public void setEntity(MediaRepresentation element) {
  64                 this.entity = element;
  65                 section_mediaRepresentationPart.setEntity(element);
  66                 text_mimeType.setText(element.getMimeType());
  67                 text_suffix.setText(element.getSuffix());
  68         }
  69
  70         /** {@inheritDoc} */
  71         @Override
  72         public void handleEvent(Object eventSource) {
  73                 if(eventSource == text_mimeType){
  74                         getEntity().setMimeType(text_mimeType.getText());
  75                 }
  76                 else if(eventSource == text_suffix){
  77                         getEntity().setSuffix(text_suffix.getText());
  78                 }
  79                 // FIXME HACK automatically set the mime type to the first mediaRepresentationPart's mimetype
  80                 else if(eventSource == section_mediaRepresentationPart){
  81                         firePropertyChangeEvent(this);
  82
  83                         Collection<MediaRepresentationPart> imageFileElements = section_mediaRepresentationPart.getCollection(section_mediaRepresentationPart.getEntity());
  84
  85                         if(! imageFileElements.iterator().hasNext()){
  86                                 return;
  87                         }
  88
  89                         MediaRepresentationPart mediaRepresentationPart = imageFileElements.iterator().next();
  90                         if(mediaRepresentationPart == null || !(mediaRepresentationPart instanceof ImageFile)){
  91                                 return;
  92                         }
  93                         ImageFile imageFile = (ImageFile) mediaRepresentationPart;
  94
  95                         URI uri = imageFile.getUri();
  96                         if(!UriUtils.isServiceAvailable(uri)){
  97                                 return;
  98                         }
  99                         try {
 100                                 ImageInfo imageInfo = ImageInfo.NewInstance(uri, 10000);
 101                                 String mimeType = imageInfo.getMimeType();
 102                                 text_mimeType.setText(mimeType);
 103                                 getEntity().setMimeType(mimeType);
 104                                 text_suffix.setText(imageInfo.getSuffix());
 105                                 getEntity().setSuffix(imageInfo.getSuffix());
 106                         }
 107                         //theses exceptions do not need to be logged
 108                         //especially because this happens with every key stroke
 109                         catch (IOException e) {
 110 //                              MessagingUtils.error(getClass(), e);
 111                         }
 112                         catch (HttpException e) {
 113 //                              MessagingUtils.error(getClass(), e);
 114                         }
 115                 }
 116         }
 117 }