eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/e4/TaxonNavigatorLabelProviderE4.java

   1 // $Id$
   2 /**
   3  * Copyright (C) 2017 EDIT
   4  * European Distributed Institute of Taxonomy
   5  * http://www.e-taxonomy.eu
   6  *
   7  * The contents of this file are subject to the Mozilla Public License Version 1.1
   8  * See LICENSE.TXT at the top of this package for the full license terms.
   9  */
  10 package eu.etaxonomy.taxeditor.navigation.navigator.e4;
  11
  12 import org.eclipse.jface.viewers.ColumnLabelProvider;
  13 import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider;
  14 import org.eclipse.jface.viewers.StyledString;
  15 import org.eclipse.jface.viewers.StyledString.Styler;
  16 import org.eclipse.swt.graphics.TextStyle;
  17 import org.eclipse.ui.navigator.IDescriptionProvider;
  18 import org.hibernate.LazyInitializationException;
  19
  20 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  21 import eu.etaxonomy.cdm.model.common.CdmBase;
  22 import eu.etaxonomy.cdm.model.common.IIdentifiableEntity;
  23 import eu.etaxonomy.cdm.model.taxon.Classification;
  24 import eu.etaxonomy.cdm.model.taxon.Taxon;
  25 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  26 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  27 import eu.etaxonomy.taxeditor.navigation.l10n.Messages;
  28 import eu.etaxonomy.taxeditor.preference.Resources;
  29 import eu.etaxonomy.taxeditor.security.RequiredPermissions;
  30 import eu.etaxonomy.taxeditor.store.CdmStore;
  31 import eu.etaxonomy.taxeditor.store.StoreUtil;
  32
  33 /**
  34  * @author pplitzner
  35  * @date 05.09.2017
  36  *
  37  */
  38 public class TaxonNavigatorLabelProviderE4 extends ColumnLabelProvider
  39 implements IDescriptionProvider, IStyledLabelProvider {
  40
  41     private Styler notGrantedStyler = null;
  42
  43     /**
  44      * {@inheritDoc}
  45      */
  46     @Override
  47     public String getText(Object element) {
  48         //classification
  49         if(element instanceof Classification){
  50             String text = ((Classification) element).getName().getText();
  51             return text != null ? text : Messages.ClassificationLabelProvider_UNNAMED_TREE;
  52         }
  53         //FIXME E4 show synonym in navigator?
  54         //synonym
  55 //        else if (element instanceof Synonym && ((Synonym) element).getName()!=null) {
  56 //            return "= " + ((Synonym) element).getName().getTitleCache(); //$NON-NLS-1$
  57 //        }
  58         //taxon node
  59         else if (element instanceof TaxonNode){
  60             TaxonNode taxonNode = (TaxonNode) HibernateProxyHelper.deproxy(element);
  61
  62             try{
  63                 Taxon taxon = HibernateProxyHelper.deproxy(taxonNode.getTaxon());
  64                 if(taxon == null){
  65                     String text = taxonNode.getClassification().getName().getText();
  66                     if(text==null){
  67                         text = taxonNode.getClassification().getTitleCache();
  68                     }
  69                     return text;
  70                 }else{
  71                     try{
  72                         return taxon.getName() != null ? ((IIdentifiableEntity) HibernateProxyHelper.deproxy(taxon.getName())).getTitleCache() : new String();
  73                     }catch(Exception e){
  74                         MessagingUtils.error(getClass(), e);
  75                     }
  76                 }
  77             }catch (LazyInitializationException e){
  78                 MessagingUtils.error(getClass(), e);
  79             }
  80         }
  81         return new String();
  82     }
  83
  84     /**
  85      * {@inheritDoc}
  86      */
  87     @Override
  88     public String getDescription(Object anElement) {
  89         //classification
  90         if (anElement instanceof Classification) {
  91             return "Taxonomic Tree: " +  ((Classification) anElement).getTitleCache(); //$NON-NLS-1$
  92         }
  93         //FIXME E4 show synonym in navigator?
  94         //synonym
  95 //        else if (anElement instanceof Synonym) {
  96 //            Synonym data = (Synonym) anElement;
  97 //            return "Synonym: " + data.getTitleCache(); //$NON-NLS-1$
  98 //        }
  99         //taxon node
 100         else if (anElement instanceof TaxonNode) {
 101             Taxon data = ((TaxonNode) anElement).getTaxon();
 102             String text =  (data != null ? Messages.TaxonNodeLabelProvider_TAXON + data.getTitleCache() : Messages.TaxonNodeLabelProvider_CLASSIFICATION + ((TaxonNode)anElement).getClassification().getTitleCache());
 103             return text;
 104         }
 105         return null;
 106     }
 107
 108     /**
 109      * {@inheritDoc}
 110      */
 111     @Override
 112     public StyledString getStyledText(Object element) {
 113         //classification
 114         if(element instanceof Classification){
 115             return new StyledString(getText(element), StyledString.DECORATIONS_STYLER);
 116         }
 117         //FIXME E4 show synonym in navigator?
 118         //synonym
 119 //        else if(element instanceof Synonym){
 120 //            return new StyledString(getText(element), StyledString.QUALIFIER_STYLER);
 121 //        }
 122         //taxon node
 123         else if(element instanceof TaxonNode){
 124             // determine style base on  user grants
 125             Styler styler = null;
 126             if(!CdmStore.currentAuthentiationHasPermission((CdmBase) element, RequiredPermissions.TAXONNODE_EDIT)){
 127                 styler = getNotGrantedStyler();
 128             }
 129             return new StyledString(getText(element), styler);
 130         }
 131         return new StyledString(getText(element));
 132     }
 133
 134     private Styler getNotGrantedStyler() {
 135         if (notGrantedStyler  == null) {
 136             notGrantedStyler = new Styler() {
 137                 @Override
 138                 public void applyStyles(TextStyle textStyle) {
 139                     textStyle.underline = false;
 140                     textStyle.foreground = StoreUtil.getColor(Resources.COLOR_TEXT_DISABLED);
 141                 }
 142             };
 143         }
 144         return notGrantedStyler;
 145     }
 146 }