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 int index;
  18         private InstructionTableContentProvider provider;
  19
  20         public MnemonicEditingSupport(TableViewer viewer, MicroInstructionDefinition definition, int index,
  21                         InstructionTableContentProvider provider)
  22         {
  23                 super(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                 this.provider = provider;
  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) ((InstructionTableRow) element).data.getParameter(index)).ordinal();
  47         }
  48
  49         @Override
  50         protected void setValue(Object element, Object value)
  51         {
  52                 InstructionTableRow row = ((InstructionTableRow) element);
  53                 row.data.setParameter(index, family.get((Integer) value));
  54                 provider.update(row.address);
  55         }
  56
  57 }