eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/checklist/e4/BodyLayerStack.java

   1 /**
   2 * Copyright (C) 2018 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.editor.view.checklist.e4;
  10
  11 import java.util.Comparator;
  12 import java.util.List;
  13
  14 import org.eclipse.nebula.widgets.nattable.data.IColumnPropertyAccessor;
  15 import org.eclipse.nebula.widgets.nattable.data.ListDataProvider;
  16 import org.eclipse.nebula.widgets.nattable.layer.AbstractLayerTransform;
  17 import org.eclipse.nebula.widgets.nattable.layer.DataLayer;
  18 import org.eclipse.nebula.widgets.nattable.layer.cell.IConfigLabelAccumulator;
  19 import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
  20 import org.eclipse.nebula.widgets.nattable.viewport.ViewportLayer;
  21
  22 import ca.odell.glazedlists.EventList;
  23 import ca.odell.glazedlists.FilterList;
  24 import ca.odell.glazedlists.GlazedLists;
  25 import ca.odell.glazedlists.SortedList;
  26 import ca.odell.glazedlists.TransformedList;
  27
  28 /**
  29  * @author k.luther
  30  * @since 13.12.2018
  31  *
  32  */
  33 public class BodyLayerStack<T> extends AbstractLayerTransform {
  34     private final FilterList<T> filterList;
  35
  36     private final ListDataProvider<T> bodyDataProvider;
  37
  38     private final SelectionLayer selectionLayer;
  39     private final ViewportLayer viewportLayer ;
  40
  41     public BodyLayerStack(List<T> values, IColumnPropertyAccessor<T> columnPropertyAccessor, Comparator<T> comparator, IConfigLabelAccumulator labelAccumulator) {
  42         // wrapping of the list to show into GlazedLists
  43         // see http://publicobject.com/glazedlists/ for further information
  44         EventList<T> eventList = GlazedLists.eventList(values);
  45         TransformedList<T, T> rowObjectsGlazedList = GlazedLists.threadSafeList(eventList);
  46         SortedList<T> sortedList = new SortedList<>(rowObjectsGlazedList, comparator);
  47         // wrap the SortedList with the FilterList
  48         this.filterList = new FilterList<>(sortedList);
  49
  50         this.bodyDataProvider =
  51                 new ListDataProvider<>(this.filterList, columnPropertyAccessor);
  52
  53         DataLayer bodyDataLayer = new DataLayer(bodyDataProvider);
  54         bodyDataLayer.setConfigLabelAccumulator(labelAccumulator);
  55
  56 //        // layer for event handling of GlazedLists and PropertyChanges
  57 //        GlazedListsEventLayer<T> glazedListsEventLayer =
  58 //                new GlazedListsEventLayer<>(bodyDataLayer, this.filterList);
  59
  60         this.selectionLayer = new SelectionLayer(bodyDataLayer);
  61         viewportLayer = new ViewportLayer(getSelectionLayer());
  62
  63         setUnderlyingLayer(viewportLayer);
  64     }
  65
  66     public SelectionLayer getSelectionLayer() {
  67         return this.selectionLayer;
  68     }
  69
  70     public ViewportLayer getViewPortLayer() {
  71         return this.viewportLayer;
  72     }
  73
  74     public FilterList<T> getFilterList() {
  75         return this.filterList;
  76     }
  77
  78     public ListDataProvider<T> getBodyDataProvider() {
  79         return this.bodyDataProvider;
  80 }
  81 }