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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.net.URI;
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import org.apache.commons.io.FileUtils;
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import org.eclipse.swt.events.SelectionListener;
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import eu.etaxonomy.cdm.model.media.MediaRepresentationPart;
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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.NumberWithLabelElement;
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import eu.etaxonomy.taxeditor.ui.element.UriWithLabelElement;
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import eu.etaxonomy.taxeditor.ui.section.AbstractEntityCollectionElement;
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/**
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* <p>Abstract AbstractMediaRepresentationPartElement 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 MediaRepresentationPartElement<T extends MediaRepresentationPart> extends
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AbstractEntityCollectionElement<T> {
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protected UriWithLabelElement text_uri;
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protected NumberWithLabelElement text_size;
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public MediaRepresentationPartElement(CdmFormFactory formFactory,
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AbstractFormSection section,
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T element, SelectionListener removeListener,
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int style) {
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super(formFactory, 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_uri = formFactory.createUriWithLabelElement(element, "URI", null, style);
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text_size = formFactory.createNumberTextWithLabelElement(element, "Size", null, style);
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text_size.setEnabled(false);
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}
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@Override
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public void setEntity(T entity) {
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this.entity = entity;
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if(entity.getSize() != null){
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text_size.setText(FileUtils.byteCountToDisplaySize(entity.getSize()));
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}
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if(entity.getUri() != null){
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text_uri.setParsedText(entity.getUri());
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} else {
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String uriBuffer = getParentMediaDetailElement().getUriBuffer();
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if(uriBuffer!=null){
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text_uri.setText(uriBuffer);
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text_uri.parseText();//just to update the error label
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}
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}
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}
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@Override
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public void handleEvent(Object eventSource) {
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if(eventSource == text_uri){
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URI uri = text_uri.parseText();
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getEntity().setUri(uri);
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if(uri==null){
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//buffer URI if parsing error occurred
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MediaDetailElement parentMediaDetailElement = getParentMediaDetailElement();
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if(parentMediaDetailElement!=null){
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parentMediaDetailElement.setUriBuffer(text_uri.getText());
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}
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}
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firePropertyChangeEvent(this);
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}
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}
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protected MediaDetailElement getParentMediaDetailElement() {
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ICdmFormElement parentElement = getParentElement();
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while(parentElement!=null){
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parentElement = parentElement.getParentElement();
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if(parentElement instanceof MediaDetailElement){
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return (MediaDetailElement) parentElement;
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}
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}
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return null;
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}
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}
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