NET/worlds/scape/PrintAction.java


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package NET.worlds.scape;

import NET.worlds.console.Console;
import java.io.IOException;

public class PrintAction extends Action {
   String txt = null;
   private static Object classCookie = new Object();

   public PrintAction() {
   }

   public PrintAction(String text) {
      this.txt = text;
   }

   @Override
   public Persister trigger(Event arg, Persister seqID) {
      String msg = this.txt;
      if (msg == null) {
         msg = this.getName() + "Has-no-text";
      }

      Console.println(msg);
      return null;
   }

   @Override
   public Object properties(int index, int offset, int mode, Object value) throws NoSuchPropertyException {
      Object ret = null;
      switch (index - offset) {
         case 0:
            if (mode == 0) {
               ret = StringPropertyEditor.make(new Property(this, index, "Text Out"));
            } else if (mode == 1) {
               ret = this.txt;
            } else if (mode == 2) {
               this.txt = (String)value;
            }
            break;
         default:
            ret = super.properties(index, offset + 1, mode, value);
      }

      return ret;
   }

   @Override
   public void saveState(Saver s) throws IOException {
      s.saveVersion(0, classCookie);
      super.saveState(s);
      s.saveString(this.txt);
   }

   @Override
   public void restoreState(Restorer r) throws IOException, TooNewException {
      switch (r.restoreVersion(classCookie)) {
         case 0:
            super.restoreState(r);
            this.txt = r.restoreString();
            return;
         default:
            throw new TooNewException();
      }
   }

   @Override
   public String toString() {
      return super.toString() + "[" + this.txt + "]";
   }
}