package tc.samples.api.ui;

import tc.samples.api.*;

import totalcross.sys.*;
import totalcross.ui.*;
import totalcross.ui.dialog.*;
import totalcross.ui.event.*;
import totalcross.ui.gfx.*;
import totalcross.ui.image.*;
import totalcross.util.*;

public class SpinnerSample extends BaseContainer
{
   private Spinner sp;
   private Button bt;
   private Label l;
   private RadioGroupController rg;
   private Image triplex;
   
   public void initUI()
   {
      try
      {
         super.initUI();
         rg = new RadioGroupController();

         l = new Label("Note that we are blocked in a loop, like if we're downloading something from internet or other kind of processing.");
         l.autoSplit = true;
         add(l,LEFT,TOP,FILL,PREFERRED);
         l.setVisible(false);

         Radio r;
         add(r = new Radio(" iPhone",rg),LEFT,AFTER,PARENTSIZE+33,PREFERRED); r.leftJustify = true;
         add(r = new Radio(" Android",rg),AFTER,SAME,SAME,PREFERRED); r.leftJustify = true;
         add(r = new Radio(" Sync",rg),AFTER,SAME,SAME,PREFERRED); r.leftJustify = true;
         add(r = new Radio(" Custom (triplex.gif)",rg),LEFT,AFTER,FILL,PREFERRED); r.leftJustify = true;
         rg.setSelectedIndex(0);
         
         triplex = new Image("ui/images/triplex.gif");
         sp = new Spinner(Spinner.IPHONE);
         add(sp,CENTER,AFTER+fmH*2,fmH*2,fmH*2);

         add(bt = new Button("Start"),CENTER,TOP+gap,PARENTSIZE+50,PREFERRED);
         add(new Label("(a random color is used at each Start)"),CENTER,BOTTOM);
      }
      catch (Exception ee)
      {
         MessageBox.showException(ee,true);
      }
   }
   
   private static Random rr = new Random();
   
   public void onEvent(Event e)
   {
      if (e.type == ControlEvent.PRESSED)
      {
         if (e.target instanceof Radio)
         {
            int t = rg.getSelectedIndex();
            switch (t)
            {
               case 0: case 1: case 2: sp.setType(t+1); break;
               case 3: sp.setImage(triplex); break;
            }
         }
         else
         if (e.target == bt)
         {
            if (!sp.isRunning())
            {
               sp.setForeColor(Color.getRandomColor(rr));
               bt.setVisible(false);
               l.setVisible(true);
               repaintNow();
               int end = Vm.getTimeStamp()+5000;
               while (Vm.getTimeStamp() < end)
               {
                  sp.update(); // this makes the magic that updates the spinner
                  // you may do other processing here...
               }
               onRemove();
            }
         }
      }
   }

   public void onRemove() // stop spinners at end
   {
      l.setVisible(false);
      bt.setVisible(true);
   }
}