plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/CyclingCellEditor.java

   1 package net.mograsim.plugin.tables.mi;
   2
   3 import org.eclipse.jface.viewers.CellEditor;
   4 import org.eclipse.swt.widgets.Composite;
   5 import org.eclipse.swt.widgets.Control;
   6
   7 public class CyclingCellEditor extends CellEditor
   8 {
   9         private final int size;
  10         private int index = -1;
  11
  12         public CyclingCellEditor(int size)
  13         {
  14                 super();
  15                 this.size = size;
  16         }
  17
  18         public CyclingCellEditor(Composite parent, int size)
  19         {
  20                 super(parent);
  21                 this.size = size;
  22         }
  23
  24         public CyclingCellEditor(Composite parent, int size, int style)
  25         {
  26                 super(parent, style);
  27                 this.size = size;
  28         }
  29
  30         @Override
  31         protected Control createControl(Composite parent)
  32         {
  33                 // Nothing to return
  34                 return null;
  35         }
  36
  37         @Override
  38         protected Object doGetValue()
  39         {
  40                 return index;
  41         }
  42
  43         @Override
  44         protected void doSetFocus()
  45         {
  46                 // Nothing to focus
  47         }
  48
  49         @Override
  50         protected void doSetValue(Object index)
  51         {
  52                 this.index = (Integer) index;
  53         }
  54
  55         @Override
  56         public void activate()
  57         {
  58                 index = (index + 1) % size;
  59                 fireApplyEditorValue();
  60         }
  61 }