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// $Id$
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/**
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* Copyright (C) 2017 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.util;
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import org.eclipse.jface.viewers.ColumnLabelProvider;
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import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider;
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import org.eclipse.jface.viewers.StyledString;
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import org.eclipse.jface.viewers.StyledString.Styler;
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import org.eclipse.swt.graphics.TextStyle;
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import org.hibernate.LazyInitializationException;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.common.IIdentifiableEntity;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.preference.Resources;
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import eu.etaxonomy.taxeditor.security.RequiredPermissions;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.store.StoreUtil;
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/**
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* @author pplitzner
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* @date 05.09.2017
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*
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*/
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public class TaxonTreeNodeLabelProvider extends ColumnLabelProvider
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implements IStyledLabelProvider {
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protected Styler notGrantedStyler = null;
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/**
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* {@inheritDoc}
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*/
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@Override
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public String getText(Object element) {
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//classification
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if(element instanceof Classification){
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String text = ((Classification) element).getName().getText();
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return text != null ? text : "Unnamed Taxonomic Tree";
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}
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//taxon node
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else if (element instanceof TaxonNode){
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TaxonNode taxonNode = (TaxonNode) HibernateProxyHelper.deproxy(element);
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try{
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Taxon taxon = HibernateProxyHelper.deproxy(taxonNode.getTaxon());
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if(taxon == null){
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String text = taxonNode.getClassification().getName() == null ? null : taxonNode.getClassification().getName().getText();
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if(text==null){
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text = taxonNode.getClassification().getTitleCache();
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}
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return text;
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}else{
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try{
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String text= "";
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if (taxonNode.isUnplaced()){
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text += Character.toString((char)63) + " ";
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}
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if (taxonNode.isExcluded()){
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text +=Character.toString((char)248) + " ";
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}
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text += taxon.getName() != null ? ((IIdentifiableEntity) HibernateProxyHelper.deproxy(taxon.getName())).getTitleCache() : new String();
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return text;
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}catch(Exception e){
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MessagingUtils.error(getClass(), e);
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}
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}
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}catch (LazyInitializationException e){
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MessagingUtils.error(getClass(), e);
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}
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}
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return new String();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public StyledString getStyledText(Object element) {
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//classification
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if(element instanceof Classification){
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return new StyledString(getText(element), StyledString.DECORATIONS_STYLER);
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}
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//taxon node
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else if(element instanceof TaxonNode){
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// determine style base on user grants
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Styler styler = null;
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if(!CdmStore.currentAuthentiationHasPermission((CdmBase) element, RequiredPermissions.TAXONNODE_EDIT)){
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styler = getNotGrantedStyler();
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}
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return new StyledString(getText(element), styler);
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}
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return new StyledString(getText(element));
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}
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private Styler getNotGrantedStyler() {
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if (notGrantedStyler == null) {
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notGrantedStyler = new Styler() {
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@Override
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public void applyStyles(TextStyle textStyle) {
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textStyle.underline = false;
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textStyle.foreground = StoreUtil.getColor(Resources.COLOR_TEXT_DISABLED);
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}
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};
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}
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return notGrantedStyler;
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}
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}
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