plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/IntegerEditingSupport.java

   1 package net.mograsim.plugin.tables.mi;
   2
   3 import java.math.BigInteger;
   4
   5 import org.eclipse.jface.viewers.TableViewer;
   6
   7 import net.mograsim.machine.mi.MicroInstruction;
   8 import net.mograsim.machine.mi.MicroInstructionDefinition;
   9 import net.mograsim.machine.mi.parameters.IntegerClassification;
  10 import net.mograsim.machine.mi.parameters.IntegerImmediate;
  11 import net.mograsim.machine.mi.parameters.MicroInstructionParameter;
  12 import net.mograsim.plugin.tables.DisplaySettings;
  13 import net.mograsim.plugin.tables.NumberCellEditingSupport;
  14
  15 public class IntegerEditingSupport extends NumberCellEditingSupport
  16 {
  17         private IntegerClassification classification;
  18         private int index;
  19         private InstructionTableContentProvider provider;
  20
  21         public IntegerEditingSupport(TableViewer viewer, MicroInstructionDefinition miDef, int index, DisplaySettings displaySettings,
  22                         InstructionTableContentProvider provider)
  23         {
  24                 super(viewer, displaySettings, true);
  25                 classification = (IntegerClassification) miDef.getParameterClassifications()[index];
  26                 this.index = index;
  27                 this.provider = provider;
  28         }
  29
  30         @Override
  31         protected void setAsBigInteger(Object element, BigInteger value)
  32         {
  33                 InstructionTableRow row = ((InstructionTableRow) element);
  34                 MicroInstructionParameter[] params = row.data.getCell(row.address).getParameters();
  35                 IntegerImmediate newParam = new IntegerImmediate(classification, value, classification.getExpectedBits());
  36                 if (params[index].equals(newParam))
  37                         return;
  38                 params[index] = newParam;
  39                 row.data.setCell(row.address, MicroInstruction.create(params));
  40                 provider.update(row.address);
  41 //              viewer.update(element, null); Does not do anything for some reason
  42         }
  43
  44         @Override
  45         protected BigInteger getAsBigInteger(Object element)
  46         {
  47                 InstructionTableRow row = ((InstructionTableRow) element);
  48                 return ((IntegerImmediate) row.data.getCell(row.address).getParameter(index)).getValueAsBigInteger();
  49         }
  50
  51         @Override
  52         public int getBitLength(Object element)
  53         {
  54                 return ((InstructionTableRow) element).getData().getDefinition().getMicroInstructionDefinition().getParameterClassification(index)
  55                                 .getExpectedBits();
  56         }
  57
  58 }