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

   1 /**
   2  *
   3  */
   4 package eu.etaxonomy.taxeditor.ui.section.media;
   5
   6 import java.net.URISyntaxException;
   7 import java.util.List;
   8 import java.util.Set;
   9
  10 import org.eclipse.swt.events.SelectionListener;
  11
  12 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  13 import eu.etaxonomy.cdm.model.agent.AgentBase;
  14 import eu.etaxonomy.cdm.model.agent.TeamOrPersonBase;
  15 import eu.etaxonomy.cdm.model.common.LanguageString;
  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.preference.IPreferenceKeys;
  21 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  22 import eu.etaxonomy.taxeditor.preference.Resources;
  23 import eu.etaxonomy.taxeditor.store.CdmStore;
  24 import eu.etaxonomy.taxeditor.ui.element.AbstractFormSection;
  25 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  26 import eu.etaxonomy.taxeditor.ui.element.CheckboxElement;
  27 import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
  28 import eu.etaxonomy.taxeditor.ui.element.LanguageStringWithLabelElement;
  29 import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
  30 import eu.etaxonomy.taxeditor.ui.element.UriWithLabelElement;
  31 import eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailSection;
  32 import eu.etaxonomy.taxeditor.ui.section.AbstractEntityCollectionElement;
  33 import eu.etaxonomy.taxeditor.ui.selection.EntitySelectionElement;
  34
  35 /**
  36  * <p>
  37  * MediaElement class.
  38  * </p>
  39  *
  40  * @author n.hoffmann
  41  * @created Nov 17, 2009
  42  * @version 1.0
  43  */
  44 public class MediaElement extends AbstractEntityCollectionElement<Media> {
  45
  46     private EntitySelectionElement<AgentBase> selection_artist;
  47     private LanguageStringWithLabelElement text_description;
  48     private LanguageStringWithLabelElement text_title;
  49     private UriWithLabelElement textUri;
  50     private MediaRepresentationSection section_mediaRepresentation;
  51
  52     private CheckboxElement checkBoxShowAdvancedView;
  53     private MediaRepresentationPart singleMediaRepresentationPart;
  54     private ICdmFormElement parentFormElement;
  55     private int style;
  56
  57     /**
  58      * <p>
  59      * Constructor for MediaElement.
  60      * </p>
  61      *
  62      * @param formElement
  63      *            a {@link eu.etaxonomy.taxeditor.ui.element.AbstractFormSection}
  64      *            object.
  65      * @param element
  66      *            a {@link eu.etaxonomy.cdm.model.media.Media} object.
  67      * @param removeListener
  68      *            a {@link org.eclipse.swt.events.SelectionListener} object.
  69      * @param style
  70      *            a int.
  71      * @param cdmFormFactory
  72      *            a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory}
  73      *            object.
  74      */
  75     public MediaElement(CdmFormFactory cdmFormFactory,
  76             AbstractFormSection<?> formElement, Media element,
  77             SelectionListener removeListener, int style) {
  78         super(cdmFormFactory, formElement, element, removeListener, null, style);
  79     }
  80
  81     /*
  82      * (non-Javadoc)
  83      *
  84      * @see
  85      * eu.etaxonomy.taxeditor.forms.entitysections.AbstractEntitySetElementComposite
  86      * #createControls(org.eclipse.swt.widgets.Composite, int)
  87      */
  88     /** {@inheritDoc} */
  89     @Override
  90     public void createControls(ICdmFormElement element, int style) {
  91         this.parentFormElement = element;
  92         this.style = style;
  93         text_title = formFactory.createLanguageStringWithLabelElement(element, "Title", null, style);
  94         selection_artist = formFactory.createSelectionElement(AgentBase.class, getConversationHolder(), element, "Artist", null, EntitySelectionElement.ALL, style);
  95         text_description = formFactory.createLanguageStringWithLabelElement(element, "Description", null, 100, style);
  96         checkBoxShowAdvancedView = formFactory.createCheckbox(element, "Advanced Media View", false, style);
  97     }
  98
  99     /** {@inheritDoc} */
 100     @Override
 101     public void setEntity(Media element) {
 102         this.entity = element;
 103         if(singleMediaRepresentationPart==null){
 104             singleMediaRepresentationPart = MediaUtils.initFirstMediaRepresentationPart(element);
 105         }
 106         showAdvancedView(isAdvancedMediaView());
 107
 108         selection_artist.setEntity((TeamOrPersonBase<?>) HibernateProxyHelper
 109                 .deproxy(element.getArtist()));
 110
 111         text_description.setLanguageString(element.getDescription(CdmStore
 112                 .getDefaultLanguage()));
 113
 114         LanguageString title = element.getTitle(CdmStore.getDefaultLanguage());
 115
 116         if (title == null) {
 117             title = LanguageString.NewInstance("", CdmStore.getDefaultLanguage());
 118         }
 119
 120         text_title.setLanguageString(title);
 121     }
 122
 123     /*
 124      * (non-Javadoc)
 125      *
 126      * @see
 127      * eu.etaxonomy.taxeditor.section.AbstractEntityCollectionElement#handleEvent
 128      * (java.lang.Object)
 129      */
 130     /** {@inheritDoc} */
 131     @Override
 132     public void handleEvent(Object eventSource) {
 133         if (eventSource == selection_artist) {
 134             getEntity().setArtist(selection_artist.getSelection());
 135         } else if (eventSource == text_description) {
 136             getEntity().addDescription(text_description.getLanguageString());
 137         } else if (eventSource == text_title) {
 138             getEntity().putTitle(text_title.getLanguageString());
 139             if (getParentElement() instanceof AbstractCdmDetailSection) {
 140                 ((AbstractCdmDetailSection<?>) getParentElement()).updateTitle();
 141             }
 142         }
 143         else if(eventSource==textUri){
 144             textUri.setBackground(getPersistentBackground());
 145             try {
 146                 singleMediaRepresentationPart.setUri(textUri.getUri());
 147             } catch (URISyntaxException e) {
 148                 textUri.setBackground(getColor(Resources.COLOR_PARSE_ERROR));
 149             }
 150         }
 151         else if(eventSource==checkBoxShowAdvancedView){
 152             showAdvancedView(checkBoxShowAdvancedView.getSelection());
 153         }
 154     }
 155
 156     /**
 157      * @param showAdvancedView
 158      */
 159     private void showAdvancedView(boolean showAdvancedView) {
 160         if(showAdvancedView){
 161             if(textUri!=null){
 162                 removeElementsAndControls(textUri);
 163             }
 164             section_mediaRepresentation = formFactory.createMediaRepresentationSection(getConversationHolder(), parentFormElement, style);
 165             section_mediaRepresentation.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));
 166             section_mediaRepresentation.setEntity(getEntity());
 167         }
 168         else{
 169             if(section_mediaRepresentation!=null){
 170                 removeElementsAndControls(section_mediaRepresentation);
 171             }
 172             textUri = formFactory.createUriWithLabelElement(parentFormElement, "Media URI", null, style);
 173             textUri.setUri(singleMediaRepresentationPart.getUri());
 174             textUri.getLayoutComposite().layout();
 175         }
 176     }
 177
 178     private boolean isAdvancedMediaView(){
 179         if(PreferencesUtil.getPreferenceStore().getBoolean(IPreferenceKeys.SHOW_ADVANCED_MEDIA_SECTION)){
 180             return true;
 181         }
 182         Set<MediaRepresentation> representations = entity.getRepresentations();
 183         if(representations.size()>1){
 184             return true;
 185         }
 186         if(representations.size()==1){
 187             List<MediaRepresentationPart> parts = representations.iterator().next().getParts();
 188             if(parts.size()>1){
 189                 return true;
 190             }
 191         }
 192         return false;
 193     }
 194
 195 }