net.mograsim.plugin.core/src/net/mograsim/plugin/tables/memory/NumberVerifyListener.java

   1 package net.mograsim.plugin.tables.memory;
   2
   3 import org.eclipse.swt.events.VerifyEvent;
   4 import org.eclipse.swt.events.VerifyListener;
   5 import org.eclipse.swt.widgets.Text;
   6
   7 import net.mograsim.plugin.asm.AsmNumberUtil;
   8 import net.mograsim.plugin.asm.AsmNumberUtil.NumberType;
   9
  10 public class NumberVerifyListener implements VerifyListener
  11 {
  12
  13         @Override
  14         public void verifyText(VerifyEvent e)
  15         {
  16                 String text = computeModifiedText(e);
  17                 e.doit = !NumberType.NONE.equals(AsmNumberUtil.prefixOfType(text));
  18         }
  19
  20         private static String computeModifiedText(VerifyEvent e)
  21         {
  22                 String modifiedText = ((Text) e.getSource()).getText();
  23                 modifiedText = modifiedText.substring(0, e.start).concat(e.text).concat(modifiedText.substring(e.end));
  24                 return modifiedText;
  25         }
  26 }