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// $Id$
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/**
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* Copyright (C) 2014 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.ui.section.media;
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import java.io.IOException;
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import java.net.URI;
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import java.util.List;
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import java.util.Set;
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import org.apache.http.HttpException;
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import eu.etaxonomy.cdm.model.media.Media;
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import eu.etaxonomy.cdm.model.media.MediaRepresentation;
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import eu.etaxonomy.cdm.model.media.MediaRepresentationPart;
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import eu.etaxonomy.cdm.model.media.MediaUtils;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
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import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
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import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
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import eu.etaxonomy.taxeditor.ui.element.ImageElement;
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import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
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import eu.etaxonomy.taxeditor.ui.element.UriWithLabelElement;
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import eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailElement;
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/**
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* @author pplitzner
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* @date 25.08.2014
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*
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*/
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public class MediaDetailElement extends AbstractCdmDetailElement<Media>{
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private UriWithLabelElement textUri;
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private MediaRepresentationSection section_mediaRepresentation;
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private boolean isAdvancedMediaView;
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private MediaRepresentationPart singleMediaRepresentationPart;
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private ICdmFormElement parentFormElement;
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private int style;
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/**
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* Used to store the URI even if it is invalid and thus cannot be stored in CDM
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*/
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private String uriBuffer;
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private ImageElement element_image;
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private final Runnable postRunnable = new Runnable(){
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@Override
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public void run() {
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AbstractUtility.reflowDetailsViewer();
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AbstractUtility.reflowSupplementalViewer();
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}
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};
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public MediaDetailElement(CdmFormFactory formFactory, ICdmFormElement formElement) {
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super(formFactory, formElement);
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}
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@Override
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protected void createControls(ICdmFormElement formElement, Media entity, int style) {
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this.parentFormElement = formElement;
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this.style = style;
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}
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@Override
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public void setEntity(Media entity) {
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super.setEntity(entity);
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if(singleMediaRepresentationPart==null){
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singleMediaRepresentationPart = MediaUtils.initFirstMediaRepresentationPart(entity, true);
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}
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initIsAdvancedMediaView();
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showAdvancedView();
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}
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@Override
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public void handleEvent(Object eventSource){
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if(eventSource==textUri){
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textUri.setBackground(getPersistentBackground());
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URI uri = textUri.parseText();
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singleMediaRepresentationPart.setUri(uri);
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if(uri==null){
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uriBuffer=textUri.getText();
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}
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try {
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loadImage(singleMediaRepresentationPart.getUri(), true);
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} catch (Exception e) {
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handleException(e);
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}
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}
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}
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public void toggleAdvancedMediaView() {
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if (getEntity().getRepresentations() != null
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&& (getEntity().getRepresentations().size() > 1 ||
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(getEntity().getRepresentations().size() == 1
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&& getEntity().getRepresentations().iterator().next().getParts().size() > 1))) {
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MessagingUtils.informationDialog("Toggling not possible",
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"Media has consists of multiple representations or representatio parts");
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// toggling is only possible if there are no more than one
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// MediaRepresentation resp. MediaRepresentationParts
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return;
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}
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isAdvancedMediaView = !isAdvancedMediaView;
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showAdvancedView();
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reflowParentScrolledForm(true);
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}
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private void showAdvancedView() {
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if(isAdvancedMediaView){
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if(textUri!=null){
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removeElementsAndControls(textUri);
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}
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if(element_image!=null){
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element_image.dispose();
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element_image = null;
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}
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section_mediaRepresentation = formFactory.createMediaRepresentationSection(getConversationHolder(), parentFormElement, style);
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section_mediaRepresentation.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));
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section_mediaRepresentation.setEntity(getEntity());
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//set buffered uri as text if uri had parsing problems in simple view
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if(uriBuffer!=null){
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section_mediaRepresentation.getLayoutComposite().getChildren();
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}
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}
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else{
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if(section_mediaRepresentation!=null){
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removeElementsAndControls(section_mediaRepresentation);
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}
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textUri = formFactory.createUriWithLabelElement(parentFormElement, "Media URI", null, style);
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URI uri = singleMediaRepresentationPart.getUri();
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textUri.setParsedText(uri);
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//set buffered uri as text if uri had parsing problems in advanced view
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if(uri==null && uriBuffer!=null){
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textUri.setText(uriBuffer);
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textUri.parseText();
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}
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textUri.getLayoutComposite().layout();
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element_image = formFactory.createImageElement(parentFormElement, null, style);
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try {
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loadImage(singleMediaRepresentationPart.getUri(), false);
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} catch (Exception e) {
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handleException(e);
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}
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}
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}
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private void initIsAdvancedMediaView(){
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if(PreferencesUtil.getPreferenceStore().getBoolean(IPreferenceKeys.SHOW_ADVANCED_MEDIA_SECTION)){
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isAdvancedMediaView = true;
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return;
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}
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Set<MediaRepresentation> representations = getEntity().getRepresentations();
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if(representations.size()>1){
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isAdvancedMediaView = true;
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return;
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}
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if(representations.size()==1){
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List<MediaRepresentationPart> parts = representations.iterator().next().getParts();
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if(parts.size()>1){
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isAdvancedMediaView = true;
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return;
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}
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}
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isAdvancedMediaView = false;
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}
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private void loadImage(URI uri, boolean updateDimensions) throws IOException, HttpException{
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element_image.initImageUri(uri);
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element_image.loadImage(postRunnable);
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if(uri == null){
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return;
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}
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}
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private void handleException(Exception e) {
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element_image.unloadImage(postRunnable);
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element_image.loadImage(new Runnable(){
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@Override
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public void run() {
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AbstractUtility.reflowDetailsViewer();
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AbstractUtility.reflowSupplementalViewer();
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}
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});
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}
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public boolean isAdvancedMediaView() {
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return isAdvancedMediaView;
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}
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public void setUriBuffer(String uriBuffer) {
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this.uriBuffer = uriBuffer;
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}
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public String getUriBuffer() {
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return uriBuffer;
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}
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}
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