Slidemenu.as

class Slidemenu
{
 private var __tabs_num:Number;
 private var __start_time:Number;
 private var __ad_width:Number;
 public function Slidemenu (tabs_num:Number, start_time:Number, ad_width:Number)
 {
  this.__tabs_num = tabs_num;
  this.__start_time = start_time;
  this.__ad_width = ad_width;
 }
 public function main (move_speed:Number):Void
 {
  var my_points:Array = getMyPoints ();
  var out_points:Array = getOutPoints ();
  var in_points:Array = getInPoints ();
  setTabs (move_speed, my_points, out_points, in_points);
 }
 private function setTabs (move_speed:Number, my_points:Array, out_points:Array, in_points:Array):Void
 {
  var i:Number;
  for (i = 0; i < this.__tabs_num; i++)
  {
   var tab_name:String = "tab" + i;
   _root.createEmptyMovieClip (tab_name, i);
   _root[tab_name]._x = my_points[i];
   _root[tab_name].id = i;
   setTab (_root[tab_name], 100);
   _root[tab_name].onRollOver = function ():Void 
   {
    _global.tab_id = this.id;
    clearInterval (_global.intervalId);
   };
   var to_point:Number;
   _root[tab_name].onEnterFrame = function ():Void 
   {
    if (_global.tab_id == null)
    {
     to_point = my_points[this.id];
    }
    else if (_global.tab_id >= this.id)
    {
     to_point = out_points[this.id];
    }
    else
    {
     to_point = in_points[this.id];
    }
    var xrate:Number = (to_point - this._x) * move_speed;
    this._x += xrate;
    if (Math.abs (xrate) < 0.1)
    {
     this._x = to_point;
    }
   };
  }
 }
 public function beginInterval ():Void
 {
  if (_global.intervalId != null)
  {
   clearInterval (_global.intervalId);
  }
  _global.intervalId = setInterval (this, "autoTabStart", this.__start_time);
 }
 private function autoTabStart ():Void
 {
  if (_global.tab_id == null || _global.tab_id >= this.__tabs_num - 1)
  {
   _global.tab_id = 0;
  }
  else
  {
   _global.tab_id++;
  }
 }
 private function getInPoints ():Array
 {
  return new Array (0, 450, (450 + 75 * 1), (450 + 75 * 2), (450 + 75 * 3));
 }
 private function getOutPoints ():Array
 {
  var i:Number;
  var points:Array = new Array ();
  for (i = 0; i < this.__tabs_num; i++)
  {
   points[i] = ((Stage.width - this.__ad_width) / (this.__tabs_num - 1)) * i;
  }
  return points;
 }
 private function getMyPoints ():Array
 {
  var i:Number;
  var points:Array = new Array ();
  for (i = 0; i < this.__tabs_num; i++)
  {
   points[i] = (Stage.width / this.__tabs_num) * i;
  }
  return points;
 }
 private function setTab (clip:MovieClip, alpha:Number):Void
 {
  clip.beginFill (getrndColors (), alpha);
  clip.lineStyle ();
  clip.moveTo (0, 0);
  clip.lineTo (Stage.width, 0);
  clip.lineTo (Stage.width, Stage.height);
  clip.lineTo (0, Stage.height);
  clip.lineTo (0, 0);
  clip.endFill ();
 }
 private function getrndColors ():Number
 {
  var rNum:Number = Math.round (Math.random () * 255);
  var gNum:Number = Math.round (Math.random () * 255);
  var bNum:Number = Math.round (Math.random () * 255);
  var c:Number = rNum * 0x10000 + gNum * 0x100 + bNum;
  return c;
 }
}