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