override protected void TrackMouseDownHandler(Event e)
{
MouseEvent me = (MouseEvent) e;
// which would push this enabled check into the child/skin components
if (!Enabled)
return;
//Debug.Log("TrackMouseDownHandler: " + this);
// Make sure we finish any running page animation before starting
// a new one.
//stopAnimation();
// Cache original event location for use on later repeating events
_trackPosition = Track.GlobalToLocal(me.GlobalPosition);
// If the user shift-clicks on the track, then offset the event coordinates so
// that the thumb ends up centered under the mouse.
if (me.Shift)
{
float thumbW = (null != Thumb) ? Thumb.Width /*Thumb.getLayoutBoundsWidth()*/ : 0;
float thumbH = (null != Thumb) ? Thumb.Height /*Thumb.getLayoutBoundsHeight()*/ : 0;
_trackPosition.X -= (thumbW / 2);
_trackPosition.Y -= (thumbH / 2);
}
float newScrollValue = PointToValue(_trackPosition.X, _trackPosition.Y);
//Debug.Log("newScrollValue: " + newScrollValue);
_trackScrollDown = (newScrollValue > Value);
if (me.Shift)
{
//Debug.Log("slideDuration: " + GetStyle("slideDuration"));
//Debug.Log("smoothScrolling: " + GetStyle("smoothScrolling"));
// shift-click positions jumps to the clicked location instead
// of incrementally paging
float slideDuration = (float)GetStyle("slideDuration");
float adjustedValue = NearestValidValue(newScrollValue, SnapInterval);
if ((bool)GetStyle("smoothScrolling") &&
slideDuration != 0 &&
(Maximum - Minimum) != 0)
{
DispatchEvent(new FrameworkEvent(FrameworkEvent.CHANGE_START));
//// Animate the shift-click operation
//startAnimation(slideDuration *
// (Math.abs(value - newScrollValue) / (maximum - minimum)),
// adjustedValue, deceleratingSineEaser);
//animatingOnce = true;
}
else
{
SetValue(adjustedValue);
DispatchEvent(new Event(Event.CHANGE));
}
return;
}
DispatchEvent(new FrameworkEvent(FrameworkEvent.CHANGE_START));
// Assume we're repeating unless user releases
//animatingOnce = false;
ChangeValueByPage(_trackScrollDown);
_trackScrolling = true;
// Add event handlers for drag and up events
var sm = SystemEventDispatcher.Instance;
sm.AddEventListener(MouseEvent.MOUSE_MOVE, TrackMouseMoveHandler, EventPhase.Capture | EventPhase.Target);
sm.AddEventListener(MouseEvent.MOUSE_UP, TrackMouseUpHandler, EventPhase.Capture | EventPhase.Target);
sm.AddEventListener(MouseEvent.MOUSE_LEAVE, TrackMouseUpHandler);
if (null == _trackScrollTimer)
{
_trackScrollTimer = new Timer((float) GetStyle("repeatDelay"), 1);
_trackScrollTimer.AddEventListener(Timer.TICK,
TrackScrollTimerHandler);
}
else
{
// Note that this behavior, resetting the initial delay, differs
// from Flex3 but is more consistent with general application
// scrollbar behavior
_trackScrollTimer.Delay = (float) GetStyle("repeatDelay");
_trackScrollTimer.RepeatCount = 1;
}
_trackScrollTimer.Start();
}
/**
*
*/
private void StartTimer()
{
_autoRepeatTimer = new Timer((float)GetStyle("repeatDelay"));
_autoRepeatTimer.AddEventListener(Timer.TICK, AutoRepeatTimerDelayHandler);
_autoRepeatTimer.Start();
}