- scrolling = function () {
- var scrollHeight:Number = scrollTrack._height;
- var contentHeight:Number = contentMain._height;
- var scrollFaceHeight:Number = scrollFace._height;
- var maskHeight:Number = maskedView._height;
- var initPosition:Number = scrollFace._y=scrollTrack._y;
- var initContentPos:Number = contentMain._y;
- var finalContentPos:Number = maskHeight-contentHeight+initContentPos;
- var left:Number = scrollTrack._x;
- var top:Number = scrollTrack._y;
- var right:Number = scrollTrack._x;
- var bottom:Number = scrollTrack._height-scrollFaceHeight+scrollTrack._y;
- var dy:Number = 0;
- var speed:Number = 10;
- var moveVal:Number = (contentHeight-maskHeight)/(scrollHeight-scrollFaceHeight);
-
- scrollFace.onPress = function() {
- var currPos:Number = this._y;
- startDrag(this, false, left, top, right, bottom);
- this.onMouseMove = function() {
- dy = Math.abs(initPosition-this._y);
- contentMain._y = Math.round(dy*-1*moveVal+initContentPos);
- };
- };
- scrollFace.onMouseUp = function() {
- stopDrag();
- delete this.onMouseMove;
- };
- btnUp.onPress = function() {
- this.onEnterFrame = function() {
- if (contentMain._y+speed<maskedView._y) {
- if (scrollFace._y<=top) {
- scrollFace._y = top;
- } else {
- scrollFace._y -= speed/moveVal;
- }
- contentMain._y += speed;
- } else {
- scrollFace._y = top;
- contentMain._y = maskedView._y;
- delete this.onEnterFrame;
- }
- };
- };
- btnUp.onDragOut = function() {
- delete this.onEnterFrame;
- };
- btnUp.onRollOut = function() {
- delete this.onEnterFrame;
- };
- btnDown.onPress = function() {
- this.onEnterFrame = function() {
- if (contentMain._y-speed>finalContentPos) {
- if (scrollFace._y>=bottom) {
- scrollFace._y = bottom;
- } else {
- scrollFace._y += speed/moveVal;
- }
- contentMain._y -= speed;
- } else {
- scrollFace._y = bottom;
- contentMain._y = finalContentPos;
- delete this.onEnterFrame;
- }
- };
- };
- btnDown.onRelease = function() {
- delete this.onEnterFrame;
- };
- btnDown.onDragOut = function() {
- delete this.onEnterFrame;
- };
-
- if (contentHeight<maskHeight) {
- scrollFace._visible = false;
- btnUp.enabled = false;
- btnDown.enabled = false;
- } else {
- scrollFace._visible = true;
- btnUp.enabled = true;
- btnDown.enabled = true;
- }
- };
- scrolling();
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