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class com.oop.ScrollingMenuFrame extends MovieClip
{
private var hotSpot_mc:MovieClip; // used to detect mouse events
private var holder_mc:MovieClip; // holder for the flat-list SelectionSystem
private var hotSpotMask:MovieClip; // bluh .. also used i guess
private var initY:Number;
private var initX:Number;
private var initHolderX:Number;
private var initHolderY:Number;
var intRate:Number = 10; // scroller speed
public function ScrollingMenuFrame() {
doInit();
}
/* public function doLoad(_dataArray:Array):Void {
holder_mc.attachMovie("KeywordSelectionSystem", "keywordTiles", 1000);
holder_mc["keywordTiles"].doInit(_dataArray, "KeywordButton");
}
*/
public function enableMenu():Void {
initMenuScroll();
initMouseWatch();
setHotSpot(true);
}
public function disableMenu():Void {
killMouseWatch();
killMenuScroll();
setHotSpot(false);
}
private function doInit():Void {
initY = _x;
initX = _y;
initHolderX = holder_mc._x;
initHolderY = holder_mc._y;
initMenuScroll();
holder_mc.onMouseDown = function() {
if (this.hitTest(_root._xmouse, _root._ymouse, true)) {
// _parent.disableMenu();
}
}
}
private function setHotSpot(_isMenuEnabled:Boolean):Void {
if (_isMenuEnabled) {
hotSpot_mc.onRollOver = undefined;
} else {
hotSpot_mc.onRollOver = function() {
this._parent.enableMenu();
}
}
}
private function initMouseWatch():Void {
this.onMouseMove = function() {
if (!this.hitTest(_root._xmouse, _root._ymouse, true)) {
disableMenu();
}
}
}
private function killMouseWatch():Void {
this.onMouseMove = undefined;
}
private function initMenuScroll():Void {
this.onEnterFrame = function() {
if ((holder_mc._height >= hotSpotMask._height) || (holder_mc._width >= hotSpotMask._width)) {
doMenuScroll();
}
}
}
private function killMenuScroll():Void {
this.onEnterFrame = undefined;
}
private function doMenuScroll():Void {
var intTop:Number = initHolderY;
var intLeft:Number = initHolderX;
var intBottom:Number = intTop + hotSpotMask._height;
var intRight:Number = intLeft + hotSpotMask._width;
var intZero:Number = (intBottom + intTop) / 2;
var intZeroW:Number = (intRight + intLeft) / 2;
var intMousePos:Number = _ymouse - intZero;
var intMousePosW:Number = _xmouse - intZeroW;
var intMaxUp:Number = intTop - intZero;
var intMaxLeft:Number = intLeft - intZeroW;
var intMaxDown:Number = intBottom - intZero;
var intMaxRight:Number = intRight - intZeroW;
var _isHit:Boolean = this.hitTest(_root._xmouse, _root._ymouse, true);
if (_isHit) {
if (holder_mc._height > hotSpotMask._height ) {
// top & bottom bounds check
if (intMousePos > 0) { // below intZero? scroll up
holder_mc._y = Math.max(holder_mc._y - intRate * Math.pow((intMousePos/intMaxDown),2), intBottom - holder_mc._height) ;
}
else if (intMousePos < 0) { // above intZero? scroll down
holder_mc._y = Math.min(holder_mc._y + intRate * Math.pow((intMousePos/intMaxUp),2), intTop );
}
// left & right bounds check
/* if (intMousePosW > 0) { // right of intZero? scroll left
holder_mc._x = Math.max(holder_mc._x - intRate * Math.pow((intMousePosW/intMaxRight),2), intRight - holder_mc._width);
}
else if (intMousePosW < 0) { // left of intZero? scroll right
holder_mc._x = Math.min(holder_mc._x + intRate * Math.pow((intMousePosW/intMaxLeft),2), intLeft);
}
*/
}
}
}
}
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