plugins/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.MicroInstructionParameter;
  12 import net.mograsim.machine.mi.parameters.Mnemonic;
  13 import net.mograsim.machine.mi.parameters.MnemonicFamily;
  14
  15 public class MnemonicEditingSupport extends EditingSupport
  16 {
  17         private final ComboBoxCellEditor editor;
  18         private final MnemonicFamily family;
  19         private final int index;
  20         private InstructionTableContentProvider provider;
  21
  22         public MnemonicEditingSupport(TableViewer viewer, MicroInstructionDefinition definition, int index,
  23                         InstructionTableContentProvider provider)
  24         {
  25                 super(viewer);
  26                 family = (MnemonicFamily) definition.getParameterClassifications()[index];
  27                 editor = new ComboBoxCellEditor(viewer.getTable(), family.getStringValues(), SWT.READ_ONLY);
  28                 this.index = index;
  29                 editor.setValidator(new MnemonicCellEditorValidator(family));
  30                 this.provider = provider;
  31         }
  32
  33         @Override
  34         protected boolean canEdit(Object element)
  35         {
  36                 return true;
  37         }
  38
  39         @Override
  40         protected CellEditor getCellEditor(Object element)
  41         {
  42                 return editor;
  43         }
  44
  45         @Override
  46         protected Object getValue(Object element)
  47         {
  48                 InstructionTableRow row = ((InstructionTableRow) element);
  49                 return ((Mnemonic) row.data.getCell(row.address).getParameter(index)).ordinal();
  50         }
  51
  52         @Override
  53         protected void setValue(Object element, Object value)
  54         {
  55                 InstructionTableRow row = ((InstructionTableRow) element);
  56                 MicroInstructionParameter[] params = row.data.getCell(row.address).getParameters();
  57                 params[index] = family.get((Integer) value);
  58                 row.data.setCell(row.address, MicroInstruction.create(params));
  59                 provider.update(row.address);
  60         }
  61
  62 }