bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/GEColumnHeaderDataProvider.java

   1 package org.simantics.browsing.ui.nattable;
   2
   3 import org.eclipse.nebula.widgets.nattable.data.IDataProvider;
   4 import org.eclipse.nebula.widgets.nattable.layer.DataLayer;
   5
   6 public class GEColumnHeaderDataProvider implements IDataProvider {
   7
   8         NatTableGraphExplorer ge;
   9         DataLayer dataLayer;
  10
  11         public GEColumnHeaderDataProvider(NatTableGraphExplorer ge, DataLayer dataLayer) {
  12                 this.ge = ge;
  13                 this.dataLayer = dataLayer;
  14         }
  15
  16         @Override
  17         public int getColumnCount() {
  18                 return ge.getColumns().length;
  19         }
  20
  21         @Override
  22         public int getRowCount() {
  23                 return 1;
  24         }
  25
  26         @Override
  27         public Object getDataValue(int columnIndex, int rowIndex) {
  28                 if (columnIndex < 0 || rowIndex < 0)
  29                         return null;
  30                 return ge.getColumns()[columnIndex].getLabel();
  31         }
  32
  33         @Override
  34         public void setDataValue(int columnIndex, int rowIndex, Object newValue) {
  35                 throw new java.lang.UnsupportedOperationException();
  36         }
  37
  38         public void updateColumnSizes() {
  39                 for (int i = 0; i < getColumnCount(); i++) {
  40                         int w = ge.getColumns()[i].getWidth();
  41                         if (w > 0)
  42                                 dataLayer.setColumnWidthByPosition(i, w);
  43                 }
  44         }
  45
  46         public DataLayer getDataLayer() {
  47                 return dataLayer;
  48         }
  49
  50 }