//定义公共函数。。。
class ClipBoard extends Object {
  static var $contents:Object;
  static var $operation:String;
  function ClipBoard() {
  }
//定义当选择剪切时的效果。。。
  public static function cut(obj) {
    obj._alpha = 50;
    $contents = obj;
    $operation = "cut";
  }
//定义复制函数。。。
  public static function copy(obj) {
    $contents = obj;
    $operation = "copy";
  }
//定义删除函数。。。
  public static function remove(obj) {
    $contents = obj;
    $operation = "remove";
    $contents.removeMovieClip();
  }
//定义顺时针旋转。。。
  public static function rotation(obj) {
    $contents = obj;
    $operation = "rotation";
    $contents._rotation += 45;
  }
//定义逆时针旋转。。。
  public static function rotation2(obj) {
    $contents = obj;
    $operation = "rotation2";
    $contents._rotation -= 45;
  }
//定义移动。。。
  private static var xm:Number;
  private static var ym:Number;
  public static function movethis(obj) {
    $contents = obj;
    $operation = "movethis";
    _root.onMouseDown = function() {
      xm = _xmouse;
      ym = _ymouse;
      movethisit();
    };
    function movethisit() {
      _root.onEnterFrame = function() {
        $contents._x += (xm-$contents._x)/5;
        $contents._y += (ym-$contents._y)/5;
        if (Math.abs($contents._x-xm)<0.5) {
          _root.onEnterFrame = undefined;
        }
      };
    }
  }
//定义刷新。。。
  public static function refish() {
    getURL("javascript:location.reload()");
  }
//定义粘贴功能。。。
  public static function paste() {
    if ($operation == "cut") {
      $contents._x = _root._xmouse;
      $contents._y = _root._ymouse;
      $contents._alpha = 100;
      $contents = undefined;
      $operation = "";
    } else if ($operation == "copy") {
      var newdepth = $contents._parent.getNextHighestDepth();
      var newname = $contents._name+newdepth;
      $contents.duplicateMovieClip(newname, newdepth);
      $contents._parent[newname]._x = _root._xmouse;
      $contents._parent[newname]._y = _root._ymouse;
      $contents._alpha = 100;
      $contents._parent[newname]._alpha = 100;
    } else if ($operation == "remove") {
      var newdepth = $contents._parent.getNextHighestDepth();
      var newname = $contents._name+newdepth;
      $contents.removeMovieClip("");
    } else {
      return;
    }
  }
  public function isEmpty():Boolean {
    if ($contents != undefined) {
      return false;
    } else {
      return true;
    }
  }
  public function handleMenuCommand(obj, item):Void {
    switch (item.caption) {
    case "剪切__X" :
      cut(obj);
      break;
    case "复制__C" :
      copy(obj);
      break;
    case "粘贴__P" :
      paste();
      break;
    case "删除__D" :
      remove(obj);
      break;
    case "刷新_F5" :
      refish();
      break;
    case "往右旋转" :
      rotation(obj);
      break;
    case "往左旋转" :
      rotation2(obj);
      break;
    case "移动此球" :
      movethis(obj);
      break;
    }
  }
}

_global.$clipboard = new ClipBoard();
function menuCallback(obj, menuObj) {
  var empty:Boolean = _global.$clipboard.isEmpty();
  menuObj.customItems = [];
  // 如果对象为影片剪辑，而不是 _root
  if ((obj instanceof MovieClip) && (obj != _level0)) {
    menuObj.customItems.push(cutItem);
    menuObj.customItems.push(copyItem);
    menuObj.customItems.push(remove);
    menuObj.customItems.push(refish);
    menuObj.customItems.push(rotation);
    menuObj.customItems.push(rotation2);
    menuObj.customItems.push(movethis);
    if (!empty) {
      menuObj.customItems.push(pasteItem);
      menuObj.customItems.push(refish);
    }
  } else if (obj == _level0 && !empty) {
    menuObj.customItems.push(pasteItem);
    menuObj.customItems.push(refish);
  }
}
var myMenu = new ContextMenu(menuCallback);
myMenu.hideBuiltInItems();
var cutItem = new ContextMenuItem("剪切__X", _global.$clipboard.handleMenuCommand);
var copyItem = new ContextMenuItem("复制__C", _global.$clipboard.handleMenuCommand);
var pasteItem = new ContextMenuItem("粘贴__P", _global.$clipboard.handleMenuCommand);
var remove = new ContextMenuItem("删除__D", _global.$clipboard.handleMenuCommand);
var refish = new ContextMenuItem("刷新_F5", _global.$clipboard.handleMenuCommand);
var rotation = new ContextMenuItem("往右旋转", _global.$clipboard.handleMenuCommand);
var rotation2 = new ContextMenuItem("往左旋转", _global.$clipboard.handleMenuCommand);
var movethis = new ContextMenuItem("移动此球", _global.$clipboard.handleMenuCommand);
MovieClip.prototype.menu = myMenu;
this.menu = myMenu;
stop();

on (release) {
  stopDrag();
  //结束行为
}
on (press) {
  startDrag(this);
  //结束行为
  mx.behaviors.DepthControl.bringToFront(this);
  //结束行为
}