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/**
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* Copyright (C) 2007 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.Collection;
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import org.apache.http.HttpException;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.core.runtime.Status;
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import org.eclipse.core.runtime.jobs.Job;
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import org.eclipse.swt.events.SelectionListener;
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import eu.etaxonomy.cdm.common.UriUtils;
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import eu.etaxonomy.cdm.common.media.ImageInfo;
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import eu.etaxonomy.cdm.model.media.ImageFile;
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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.taxeditor.store.StoreUtil;
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import eu.etaxonomy.taxeditor.ui.element.AbstractFormSection;
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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.LayoutConstants;
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import eu.etaxonomy.taxeditor.ui.element.TextWithLabelElement;
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import eu.etaxonomy.taxeditor.ui.section.AbstractEntityCollectionElement;
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/**
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* <p>MediaRepresentationElement class.</p>
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*
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* @author n.hoffmann
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* @created Mar 24, 2010
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* @version 1.0
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*/
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public class MediaRepresentationElement extends AbstractEntityCollectionElement<MediaRepresentation> {
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private MediaRepresentationPartSection section_mediaRepresentationPart;
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private TextWithLabelElement text_mimeType;
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private TextWithLabelElement text_suffix;
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public MediaRepresentationElement(CdmFormFactory cdmFormFactory,
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AbstractFormSection section,
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MediaRepresentation element, SelectionListener removeListener,
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int style) {
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super(cdmFormFactory, section, element, removeListener, null, style);
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}
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/** {@inheritDoc} */
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@Override
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public void createControls(ICdmFormElement element, int style) {
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text_mimeType = formFactory.createTextWithLabelElement(element, "Mime Type", null, style);
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text_suffix = formFactory.createTextWithLabelElement(element, "Suffix", null, style);
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section_mediaRepresentationPart = formFactory.createMediaRepresentationPartSection(getConversationHolder(), element, StoreUtil.getSectionStyle(MediaRepresentationPartSection.class, MediaRepresentation.class.getCanonicalName()));
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section_mediaRepresentationPart.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));
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}
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/** {@inheritDoc} */
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@Override
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public void setEntity(MediaRepresentation element) {
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this.entity = element;
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section_mediaRepresentationPart.setEntity(element);
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text_mimeType.setText(element.getMimeType());
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text_suffix.setText(element.getSuffix());
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}
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/** {@inheritDoc} */
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@Override
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public void handleEvent(Object eventSource) {
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if(eventSource == text_mimeType){
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getEntity().setMimeType(text_mimeType.getText());
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}
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else if(eventSource == text_suffix){
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getEntity().setSuffix(text_suffix.getText());
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}
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// FIXME HACK automatically set the mime type to the first mediaRepresentationPart's mimetype
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else if(eventSource == section_mediaRepresentationPart){
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firePropertyChangeEvent(this);
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new Job("Set mime type") {
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@Override
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protected IStatus run(IProgressMonitor monitor) {
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Collection<MediaRepresentationPart> imageFileElements = section_mediaRepresentationPart.getCollection(section_mediaRepresentationPart.getEntity());
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if(! imageFileElements.iterator().hasNext()){
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return Status.CANCEL_STATUS;
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}
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MediaRepresentationPart mediaRepresentationPart = imageFileElements.iterator().next();
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if(mediaRepresentationPart == null || !(mediaRepresentationPart instanceof ImageFile)){
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return Status.CANCEL_STATUS;
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}
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ImageFile imageFile = (ImageFile) mediaRepresentationPart;
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URI uri = imageFile.getUri();
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if(!UriUtils.isServiceAvailable(uri)){
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return Status.CANCEL_STATUS;
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}
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try {
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ImageInfo imageInfo = ImageInfo.NewInstance(uri, 10000);
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String mimeType = imageInfo.getMimeType();
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getEntity().setMimeType(mimeType);
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getEntity().setSuffix(imageInfo.getSuffix());
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MediaRepresentationElement.this.getLayoutComposite().getDisplay().asyncExec(()->{
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text_mimeType.setText(mimeType);
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text_suffix.setText(imageInfo.getSuffix());
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});
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}
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//theses exceptions do not need to be logged
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//especially because this happens with every key stroke
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catch (IOException|HttpException e) {
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// ignore
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}
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return Status.OK_STATUS;
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}
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}.schedule();
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}
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}
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}
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