net.mograsim.plugin.core/src/net/mograsim/plugin/memory/MemoryCellEditingSupport.java

   1 package net.mograsim.plugin.memory;
   2
   3 import java.math.BigInteger;
   4
   5 import org.eclipse.jface.viewers.CellEditor;
   6 import org.eclipse.jface.viewers.EditingSupport;
   7 import org.eclipse.jface.viewers.TableViewer;
   8 import org.eclipse.jface.viewers.TextCellEditor;
   9
  10 import net.mograsim.plugin.asm.AsmNumberUtil;
  11 import net.mograsim.plugin.memory.MemoryView.DisplaySettings;
  12
  13 public class MemoryCellEditingSupport extends EditingSupport
  14 {
  15         private final TableViewer viewer;
  16         private final CellEditor editor;
  17         private final DisplaySettings displaySettings;
  18
  19         public MemoryCellEditingSupport(TableViewer viewer, DisplaySettings displaySettings)
  20         {
  21                 super(viewer);
  22                 this.viewer = viewer;
  23                 this.displaySettings = displaySettings;
  24                 editor = new TextCellEditor(viewer.getTable());
  25                 editor.setValidator(new NumberCellEditorValidator());
  26         }
  27
  28         @Override
  29         protected boolean canEdit(Object element)
  30         {
  31                 return true;
  32         }
  33
  34         @Override
  35         protected CellEditor getCellEditor(Object element)
  36         {
  37                 return editor;
  38         }
  39
  40         @Override
  41         protected Object getValue(Object element)
  42         {
  43                 MemoryTableRow row = (MemoryTableRow) element;
  44                 return AsmNumberUtil.toString(row.getMemory().getCellAsBigInteger(row.address), displaySettings.getDataNumberType());
  45         }
  46
  47         @Override
  48         protected void setValue(Object element, Object userInput)
  49         {
  50                 MemoryTableRow row = (MemoryTableRow) element;
  51                 try
  52                 {
  53                         row.getMemory().setCellAsBigInteger(row.address, AsmNumberUtil.valueOf((String) userInput));
  54                 }
  55                 catch (@SuppressWarnings("unused") NumberFormatException e)
  56                 {
  57                         row.getMemory().setCellAsBigInteger(row.address, BigInteger.valueOf(0));
  58                 }
  59                 viewer.update(element, null);
  60         }
  61 }