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