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

   1 package net.mograsim.plugin.tables.mi;
   2
   3 import org.eclipse.jface.viewers.CellEditor;
   4 import org.eclipse.jface.viewers.EditingSupport;
   5 import org.eclipse.jface.viewers.TableViewer;
   6
   7 import net.mograsim.machine.mi.MicroInstruction;
   8 import net.mograsim.machine.mi.MicroInstructionDefinition;
   9 import net.mograsim.machine.mi.parameters.BooleanClassification;
  10 import net.mograsim.machine.mi.parameters.MicroInstructionParameter;
  11 import net.mograsim.machine.mi.parameters.Mnemonic;
  12
  13 public class BooleanEditingSupport extends EditingSupport
  14 {
  15         private final CellEditor editor;
  16         private final BooleanClassification boolClass;
  17         private final TableViewer viewer;
  18         private final int index;
  19
  20         public BooleanEditingSupport(TableViewer viewer, MicroInstructionDefinition definition, int index)
  21         {
  22                 super(viewer);
  23                 this.viewer = viewer;
  24                 this.boolClass = (BooleanClassification) definition.getParameterClassification(index);
  25                 editor = new CyclingCellEditor(viewer.getTable(), boolClass.size());// new CheckboxCellEditor(viewer.getTable());
  26                 this.index = index;
  27         }
  28
  29         @Override
  30         protected boolean canEdit(Object element)
  31         {
  32                 return true;
  33         }
  34
  35         @Override
  36         protected CellEditor getCellEditor(Object element)
  37         {
  38                 return editor;
  39         }
  40
  41         @Override
  42         protected Object getValue(Object element)
  43         {
  44                 InstructionTableRow row = (InstructionTableRow) element;
  45                 // true is 0 because the true value comes first in the combo box
  46                 return ((Mnemonic) row.data.getCell(row.address).getParameter(index)).ordinal();
  47         }
  48
  49         @Override
  50         protected void setValue(Object element, Object value)
  51         {
  52                 InstructionTableRow row = (InstructionTableRow) element;
  53                 MicroInstructionParameter[] params = row.data.getCell(row.address).getParameters();
  54                 // true is 0 because the true value comes first in the combo box
  55                 Mnemonic newParam = boolClass.get((Integer) value);
  56
  57                 params[index] = newParam;
  58                 row.data.setCell(row.address, MicroInstruction.create(params));
  59                 viewer.update(element, null);
  60         }
  61
  62 }