net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/MnemonicEditingSupport.java

   1 package net.mograsim.plugin.tables.mi;
   2
   3 import org.eclipse.jface.viewers.CellEditor;
   4 import org.eclipse.jface.viewers.ComboBoxCellEditor;
   5 import org.eclipse.jface.viewers.EditingSupport;
   6 import org.eclipse.jface.viewers.TableViewer;
   7 import org.eclipse.swt.SWT;
   8
   9 import net.mograsim.machine.mi.MicroInstructionDefinition;
  10 import net.mograsim.machine.mi.parameters.Mnemonic;
  11 import net.mograsim.machine.mi.parameters.MnemonicFamily;
  12
  13 public class MnemonicEditingSupport extends EditingSupport
  14 {
  15         private final ComboBoxCellEditor editor;
  16         private final MnemonicFamily family;
  17         private final TableViewer viewer;
  18         private final int index;
  19
  20         public MnemonicEditingSupport(TableViewer viewer, MicroInstructionDefinition definition, int index)
  21         {
  22                 super(viewer);
  23                 this.viewer = viewer;
  24                 family = (MnemonicFamily) definition.getParameterClassifications()[index];
  25                 editor = new ComboBoxCellEditor(viewer.getTable(), family.getStringValues(), SWT.READ_ONLY);
  26                 this.index = index;
  27                 editor.setValidator(new MnemonicCellEditorValidator(family));
  28         }
  29
  30         @Override
  31         protected boolean canEdit(Object element)
  32         {
  33                 return true;
  34         }
  35
  36         @Override
  37         protected CellEditor getCellEditor(Object element)
  38         {
  39                 return editor;
  40         }
  41
  42         @Override
  43         protected Object getValue(Object element)
  44         {
  45                 return ((Mnemonic) ((InstructionTableRow) element).data.getParameter(index)).ordinal();
  46         }
  47
  48         @Override
  49         protected void setValue(Object element, Object value)
  50         {
  51                 ((InstructionTableRow) element).data.setParameter(index, family.get((Integer) value));
  52                 viewer.update(element, null);
  53         }
  54
  55 }