eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/section/media/MediaDetailElement.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2014 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 package eu.etaxonomy.taxeditor.ui.section.media;
  11
  12 import java.net.URISyntaxException;
  13 import java.util.Collections;
  14 import java.util.List;
  15 import java.util.Set;
  16
  17 import org.eclipse.jface.util.IPropertyChangeListener;
  18
  19 import eu.etaxonomy.cdm.model.media.Media;
  20 import eu.etaxonomy.cdm.model.media.MediaRepresentation;
  21 import eu.etaxonomy.cdm.model.media.MediaRepresentationPart;
  22 import eu.etaxonomy.cdm.model.media.MediaUtils;
  23 import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
  24 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  25 import eu.etaxonomy.taxeditor.preference.Resources;
  26 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  27 import eu.etaxonomy.taxeditor.ui.element.CheckboxElement;
  28 import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
  29 import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
  30 import eu.etaxonomy.taxeditor.ui.element.UriWithLabelElement;
  31 import eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailElement;
  32
  33 /**
  34  * @author pplitzner
  35  * @date 25.08.2014
  36  *
  37  */
  38 public class MediaDetailElement extends AbstractCdmDetailElement<Media>{
  39
  40     private UriWithLabelElement textUri;
  41     private MediaRepresentationSection section_mediaRepresentation;
  42
  43     private CheckboxElement checkBoxShowAdvancedView;
  44     private MediaRepresentationPart singleMediaRepresentationPart;
  45     private ICdmFormElement parentFormElement;
  46     private int style;
  47
  48     /**
  49      * @param formFactory
  50      * @param formElement
  51      */
  52     public MediaDetailElement(CdmFormFactory formFactory, ICdmFormElement formElement) {
  53         super(formFactory, formElement);
  54     }
  55
  56     /* (non-Javadoc)
  57      * @see eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailElement#createControls(eu.etaxonomy.taxeditor.ui.element.ICdmFormElement, java.lang.Object, int)
  58      */
  59     @Override
  60     protected void createControls(ICdmFormElement formElement, Media entity, int style) {
  61         this.parentFormElement = formElement;
  62         this.style = style;
  63         checkBoxShowAdvancedView = formFactory.createCheckbox(formElement, "Advanced Media View", false, style);
  64         List<IPropertyChangeListener> checkBoxPropertyChangeListeners = checkBoxShowAdvancedView.getPropertyChangeListeners();
  65         checkBoxPropertyChangeListeners.retainAll(Collections.singletonList(this));
  66         checkBoxShowAdvancedView.setPropertyChangeListeners(checkBoxPropertyChangeListeners);//no property change events for checkbox
  67     }
  68
  69     /* (non-Javadoc)
  70      * @see eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailElement#setEntity(java.lang.Object)
  71      */
  72     @Override
  73     public void setEntity(Media entity) {
  74         super.setEntity(entity);
  75         if(singleMediaRepresentationPart==null){
  76             singleMediaRepresentationPart = MediaUtils.initFirstMediaRepresentationPart(entity);
  77         }
  78         showAdvancedView(isAdvancedMediaView());
  79
  80     }
  81
  82     /* (non-Javadoc)
  83      * @see eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailElement#handleEvent(java.lang.Object)
  84      */
  85     @Override
  86     public void handleEvent(Object eventSource) {
  87         if(eventSource==textUri){
  88             textUri.setBackground(getPersistentBackground());
  89             try {
  90                 singleMediaRepresentationPart.setUri(textUri.getUri());
  91             } catch (URISyntaxException e) {
  92                 textUri.setBackground(getColor(Resources.COLOR_PARSE_ERROR));
  93             }
  94         }
  95         else if(eventSource==checkBoxShowAdvancedView){
  96             showAdvancedView(checkBoxShowAdvancedView.getSelection());
  97         }
  98     }
  99
 100     /**
 101      * @param showAdvancedView
 102      */
 103     private void showAdvancedView(boolean showAdvancedView) {
 104         if(showAdvancedView){
 105             if(textUri!=null){
 106                 removeElementsAndControls(textUri);
 107             }
 108             section_mediaRepresentation = formFactory.createMediaRepresentationSection(getConversationHolder(), parentFormElement, style);
 109             section_mediaRepresentation.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));
 110             section_mediaRepresentation.setEntity(getEntity());
 111         }
 112         else{
 113             if(section_mediaRepresentation!=null){
 114                 removeElementsAndControls(section_mediaRepresentation);
 115             }
 116             textUri = formFactory.createUriWithLabelElement(parentFormElement, "Media URI", null, style);
 117             textUri.setUri(singleMediaRepresentationPart.getUri());
 118             textUri.getLayoutComposite().layout();
 119         }
 120     }
 121
 122     private boolean isAdvancedMediaView(){
 123         if(PreferencesUtil.getPreferenceStore().getBoolean(IPreferenceKeys.SHOW_ADVANCED_MEDIA_SECTION)){
 124             checkBoxShowAdvancedView.setSelection(true);
 125             return true;
 126         }
 127         Set<MediaRepresentation> representations = getEntity().getRepresentations();
 128         if(representations.size()>1){
 129             checkBoxShowAdvancedView.setEnabled(false);
 130             return true;
 131         }
 132         if(representations.size()==1){
 133             List<MediaRepresentationPart> parts = representations.iterator().next().getParts();
 134             if(parts.size()>1){
 135                 checkBoxShowAdvancedView.setEnabled(false);
 136                 return true;
 137             }
 138         }
 139         return false;
 140     }
 141
 142
 143 }