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.URI;
  13 import java.util.List;
  14 import java.util.Set;
  15
  16 import eu.etaxonomy.cdm.model.media.Media;
  17 import eu.etaxonomy.cdm.model.media.MediaRepresentation;
  18 import eu.etaxonomy.cdm.model.media.MediaRepresentationPart;
  19 import eu.etaxonomy.cdm.model.media.MediaUtils;
  20 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  21 import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
  22 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  23 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  24 import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
  25 import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
  26 import eu.etaxonomy.taxeditor.ui.element.UriWithLabelElement;
  27 import eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailElement;
  28
  29 /**
  30  * @author pplitzner
  31  * @date 25.08.2014
  32  *
  33  */
  34 public class MediaDetailElement extends AbstractCdmDetailElement<Media>{
  35
  36     private UriWithLabelElement textUri;
  37     private MediaRepresentationSection section_mediaRepresentation;
  38
  39     private boolean isAdvancedMediaView;
  40     private MediaRepresentationPart singleMediaRepresentationPart;
  41     private ICdmFormElement parentFormElement;
  42     private int style;
  43
  44     /**
  45      * Used to store the URI even if it is invalid and thus cannot be stored in CDM
  46      */
  47     private String uriBuffer;
  48
  49     public MediaDetailElement(CdmFormFactory formFactory, ICdmFormElement formElement) {
  50         super(formFactory, formElement);
  51     }
  52
  53     @Override
  54     protected void createControls(ICdmFormElement formElement, Media entity, int style) {
  55         this.parentFormElement = formElement;
  56         this.style = style;
  57     }
  58
  59     @Override
  60     public void setEntity(Media entity) {
  61         super.setEntity(entity);
  62         if(singleMediaRepresentationPart==null){
  63             singleMediaRepresentationPart = MediaUtils.initFirstMediaRepresentationPart(entity, true);
  64         }
  65         initIsAdvancedMediaView();
  66         showAdvancedView();
  67     }
  68
  69     @Override
  70     public void handleEvent(Object eventSource){
  71         if(eventSource==textUri){
  72             textUri.setBackground(getPersistentBackground());
  73             URI uri = textUri.getUri();
  74             singleMediaRepresentationPart.setUri(uri);
  75             if(uri==null){
  76                 uriBuffer=textUri.getText();
  77             }
  78         }
  79     }
  80
  81     public void toggleAdvancedMediaView() {
  82         if (getEntity().getRepresentations() != null
  83                 && (getEntity().getRepresentations().size() > 1 ||
  84                         (getEntity().getRepresentations().size() == 1
  85                         && getEntity().getRepresentations().iterator().next().getParts().size() > 1))) {
  86             MessagingUtils.informationDialog("Toggling not possible",
  87                     "Media has consists of multiple representations or representatio parts");
  88             // toggling is only possible if there are no more than one
  89             // MediaRepresentation resp. MediaRepresentationParts
  90             return;
  91         }
  92         isAdvancedMediaView = !isAdvancedMediaView;
  93         showAdvancedView();
  94         reflowParentScrolledForm(true);
  95     }
  96
  97     private void showAdvancedView() {
  98         if(isAdvancedMediaView){
  99             if(textUri!=null){
 100                 removeElementsAndControls(textUri);
 101             }
 102             section_mediaRepresentation = formFactory.createMediaRepresentationSection(getConversationHolder(), parentFormElement, style);
 103             section_mediaRepresentation.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));
 104             section_mediaRepresentation.setEntity(getEntity());
 105             //set buffered uri as text if uri had parsing problems in simple view
 106             if(uriBuffer!=null){
 107                 section_mediaRepresentation.getLayoutComposite().getChildren();
 108             }
 109         }
 110         else{
 111             if(section_mediaRepresentation!=null){
 112                 removeElementsAndControls(section_mediaRepresentation);
 113             }
 114             textUri = formFactory.createUriWithLabelElement(parentFormElement, "Media URI", null, style);
 115             URI uri = singleMediaRepresentationPart.getUri();
 116             textUri.setUri(uri);
 117             //set buffered uri as text if uri had parsing problems in advanced view
 118             if(uri==null && uriBuffer!=null){
 119                 textUri.setText(uriBuffer);
 120                 textUri.getUri();
 121             }
 122             textUri.getLayoutComposite().layout();
 123         }
 124     }
 125
 126     private void initIsAdvancedMediaView(){
 127         if(PreferencesUtil.getPreferenceStore().getBoolean(IPreferenceKeys.SHOW_ADVANCED_MEDIA_SECTION)){
 128             isAdvancedMediaView = true;
 129             return;
 130         }
 131         Set<MediaRepresentation> representations = getEntity().getRepresentations();
 132         if(representations.size()>1){
 133             isAdvancedMediaView = true;
 134             return;
 135         }
 136         if(representations.size()==1){
 137             List<MediaRepresentationPart> parts = representations.iterator().next().getParts();
 138             if(parts.size()>1){
 139                 isAdvancedMediaView =  true;
 140                 return;
 141             }
 142         }
 143         isAdvancedMediaView =  false;
 144     }
 145
 146     public boolean isAdvancedMediaView() {
 147         return isAdvancedMediaView;
 148     }
 149
 150     public void setUriBuffer(String uriBuffer) {
 151         this.uriBuffer = uriBuffer;
 152     }
 153
 154     public String getUriBuffer() {
 155         return uriBuffer;
 156     }
 157
 158 }