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.MicroInstruction;
  10 import net.mograsim.machine.mi.MicroInstructionDefinition;
  11 import net.mograsim.machine.mi.parameters.Mnemonic;
  12 import net.mograsim.machine.mi.parameters.MnemonicFamily;
  13
  14 public class MnemonicEditingSupport extends EditingSupport
  15 {
  16         private final ComboBoxCellEditor editor;
  17         private final MnemonicFamily family;
  18         private final TableViewer viewer;
  19         private final int index;
  20
  21         public MnemonicEditingSupport(TableViewer viewer, MicroInstructionDefinition definition, int index)
  22         {
  23                 super(viewer);
  24                 this.viewer = viewer;
  25                 family = (MnemonicFamily) definition.getParameterClassifications()[index];
  26                 editor = new ComboBoxCellEditor(viewer.getTable(), family.getStringValues(), SWT.READ_ONLY);
  27                 this.index = index;
  28                 editor.setValidator(new MnemonicCellEditorValidator(family));
  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                 return ((Mnemonic) ((MicroInstruction) element).getParameter(index)).ordinal();
  47         }
  48
  49         @Override
  50         protected void setValue(Object element, Object value)
  51         {
  52                 ((MicroInstruction) element).setParameter(index, family.get((Integer) value));
  53                 viewer.update(element, null);
  54         }
  55
  56 }