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.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.store.StoreUtil;
  25 import eu.etaxonomy.taxeditor.ui.element.AbstractFormSection;
  26 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  27 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory.EntityDetailType;
  28 import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
  29 import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
  30 import eu.etaxonomy.taxeditor.ui.element.TextWithLabelElement;
  31 import eu.etaxonomy.taxeditor.ui.section.AbstractEntityCollectionElement;
  32
  33 /**
  34  * <p>MediaRepresentationElement class.</p>
  35  *
  36  * @author n.hoffmann
  37  * @created Mar 24, 2010
  38  * @version 1.0
  39  */
  40 public class MediaRepresentationElement extends AbstractEntityCollectionElement<MediaRepresentation> {
  41
  42         private MediaRepresentationPartSection section_mediaRepresentationPart;
  43         private TextWithLabelElement text_mimeType;
  44         private TextWithLabelElement text_suffix;
  45
  46         /**
  47          * <p>Constructor for MediaRepresentationElement.</p>
  48          *
  49          * @param cdmFormFactory a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory} object.
  50          * @param section a {@link eu.etaxonomy.taxeditor.ui.element.AbstractFormSection} object.
  51          * @param element a {@link eu.etaxonomy.cdm.model.media.MediaRepresentation} object.
  52          * @param removeListener a {@link org.eclipse.swt.events.SelectionListener} object.
  53          * @param style a int.
  54          */
  55         public MediaRepresentationElement(CdmFormFactory cdmFormFactory,
  56                         AbstractFormSection section,
  57                         MediaRepresentation element, SelectionListener removeListener,
  58                         int style) {
  59                 super(cdmFormFactory, section, element, removeListener, null, style);
  60         }
  61
  62         /* (non-Javadoc)
  63          * @see eu.etaxonomy.taxeditor.forms.section.AbstractEntityCollectionElement#createControls(eu.etaxonomy.taxeditor.forms.ICdmFormElement, int)
  64          */
  65         /** {@inheritDoc} */
  66         @Override
  67         public void createControls(ICdmFormElement element, int style) {
  68                 text_mimeType = formFactory.createTextWithLabelElement(element, "Mime Type", null, style);
  69                 text_suffix = formFactory.createTextWithLabelElement(element, "Suffix", null, style);
  70                 section_mediaRepresentationPart = (MediaRepresentationPartSection) formFactory.createEntityDetailSection(EntityDetailType.MEDIAREPRESENTATIONPART, getConversationHolder(), element, style);
  71                 section_mediaRepresentationPart.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));
  72         }
  73
  74         /** {@inheritDoc} */
  75         @Override
  76         public void setEntity(MediaRepresentation element) {
  77                 this.entity = element;
  78                 section_mediaRepresentationPart.setEntity(element);
  79                 text_mimeType.setText(element.getMimeType());
  80                 text_suffix.setText(element.getSuffix());
  81         }
  82
  83         /*
  84          * (non-Javadoc)
  85          * @see eu.etaxonomy.taxeditor.section.AbstractEntityCollectionElement#handleEvent(java.lang.Object)
  86          */
  87         /** {@inheritDoc} */
  88         @Override
  89         public void handleEvent(Object eventSource) {
  90                 if(eventSource == text_mimeType){
  91                         getEntity().setMimeType(text_mimeType.getText());
  92                 }
  93                 else if(eventSource == text_suffix){
  94                         getEntity().setSuffix(text_suffix.getText());
  95                 }
  96                 // FIXME HACK automatically set the mime type to the first mediaRepresentationPart's mimetype
  97                 else if(eventSource == section_mediaRepresentationPart){
  98                         firePropertyChangeEvent(this);
  99
 100                         Collection<MediaRepresentationPart> imageFileElements = section_mediaRepresentationPart.getCollection(section_mediaRepresentationPart.getEntity());
 101
 102                         if(! imageFileElements.iterator().hasNext()){
 103                                 return;
 104                         }
 105
 106                         MediaRepresentationPart mediaRepresentationPart = imageFileElements.iterator().next();
 107                         if(mediaRepresentationPart == null || !(mediaRepresentationPart instanceof ImageFile)){
 108                                 return;
 109                         }
 110                         ImageFile imageFile = (ImageFile) mediaRepresentationPart;
 111
 112                         URI uri = imageFile.getUri();
 113                         if(uri == null){
 114                                 return;
 115                         }
 116                         try {
 117                                 ImageInfo imageInfo = ImageInfo.NewInstance(uri, 10000);
 118                                 String mimeType = imageInfo.getMimeType();
 119                                 text_mimeType.setText(mimeType);
 120                                 getEntity().setMimeType(mimeType);
 121                                 text_suffix.setText(imageInfo.getSuffix());
 122                                 getEntity().setSuffix(imageInfo.getSuffix());
 123                         } catch (IOException e) {
 124                                 StoreUtil.error(getClass(), e);
 125                         } catch (HttpException e) {
 126                                 StoreUtil.error(getClass(), e);
 127                         }
 128                 }
 129         }
 130 }