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.CheckboxCellEditor;
   5 import org.eclipse.jface.viewers.EditingSupport;
   6 import org.eclipse.jface.viewers.TableViewer;
   7
   8 import net.mograsim.logic.core.types.Bit;
   9 import net.mograsim.machine.mi.MicroInstruction;
  10 import net.mograsim.machine.mi.MicroInstructionDefinition;
  11 import net.mograsim.machine.mi.parameters.BooleanClassification;
  12 import net.mograsim.machine.mi.parameters.MicroInstructionParameter;
  13 import net.mograsim.machine.mi.parameters.Mnemonic;
  14
  15 public class BooleanEditingSupport extends EditingSupport
  16 {
  17         private final CellEditor editor;
  18         private final BooleanClassification boolClass;
  19         private final TableViewer viewer;
  20         private final int index;
  21
  22         public BooleanEditingSupport(TableViewer viewer, MicroInstructionDefinition definition, int index)
  23         {
  24                 super(viewer);
  25                 this.viewer = viewer;
  26                 this.boolClass = (BooleanClassification) definition.getParameterClassification(index);
  27                 editor = new CheckboxCellEditor(viewer.getTable());
  28                 this.index = index;
  29         }
  30
  31         @Override
  32         protected boolean canEdit(Object element)
  33         {
  34                 return true;
  35         }
  36
  37         @Override
  38         protected CellEditor getCellEditor(Object element)
  39         {
  40                 return editor;
  41         }
  42
  43         @Override
  44         protected Object getValue(Object element)
  45         {
  46                 InstructionTableRow row = (InstructionTableRow) element;
  47                 // true is 0 because the true value comes first in the combo box
  48                 return row.data.getCell(row.address).getParameter(index).getValue().getMSBit(0).equals(Bit.ONE);
  49         }
  50
  51         @Override
  52         protected void setValue(Object element, Object value)
  53         {
  54                 InstructionTableRow row = (InstructionTableRow) element;
  55                 MicroInstructionParameter[] params = row.data.getCell(row.address).getParameters();
  56                 // true is 0 because the true value comes first in the combo box
  57                 Mnemonic newParam = boolClass.get((Boolean) value);
  58
  59                 params[index] = newParam;
  60                 row.data.setCell(row.address, MicroInstruction.create(params));
  61                 viewer.update(element, null);
  62         }
  63
  64 }