package NET.worlds.scape;

import java.io.IOException;

public class StdoutAction extends Action {
   String txt = null;
   boolean dumpArg = false;
   private static Object classCookie = new Object();

   public StdoutAction() {
   }

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

   @Override
   public Persister trigger(Event arg, Persister seqID) {
      if (this.txt != null) {
         System.out.println(this.txt);
      } else {
         System.out.println("StdoutAction " + this.getName() + ", no text!");
      }

      if (this.dumpArg) {
         if (arg == null) {
            System.out.println("<Null event>");
         } else {
            System.out.println("<" + arg + ">");
         }
      }

      System.out.flush();
      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;
         case 1:
            if (mode == 0) {
               ret = BooleanPropertyEditor.make(new Property(this, index, "Dump Event"), "Don't print event", "Print event");
            } else if (mode == 1) {
               ret = new Boolean(this.dumpArg);
            } else if (mode == 2) {
               this.dumpArg = (Boolean)value;
            }
            break;
         default:
            ret = super.properties(index, offset + 2, mode, value);
      }

      return ret;
   }

   @Override
   public void saveState(Saver s) throws IOException {
      s.saveVersion(1, classCookie);
      super.saveState(s);
      s.saveString(this.txt);
      s.saveBoolean(this.dumpArg);
   }

   @Override
   public void restoreState(Restorer r) throws IOException, TooNewException {
      switch (r.restoreVersion(classCookie)) {
         case 0:
            super.restoreState(r);
            this.txt = r.restoreString();
            r.setOldFlag();
            break;
         case 1:
            super.restoreState(r);
            this.txt = r.restoreString();
            this.dumpArg = r.restoreBoolean();
            break;
         default:
            throw new TooNewException();
      }
   }

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