public _DragAvatar(
OverlayState overlayState,
T data = default,
Axis?axis = null,
Offset initialPosition = null,
Offset dragStartPoint = null,
Widget feedback = null,
Offset feedbackOffset = null,
_OnDragEnd onDragEnd = null
)
{
if (feedbackOffset == null)
{
feedbackOffset = Offset.zero;
}
D.assert(overlayState != null);
this.overlayState = overlayState;
this.data = data;
this.axis = axis;
this.dragStartPoint = dragStartPoint ?? Offset.zero;
this.feedback = feedback;
this.feedbackOffset = feedbackOffset ?? Offset.zero;
this.onDragEnd = onDragEnd;
_entry = new OverlayEntry(_build);
this.overlayState.insert(_entry);
_position = initialPosition ?? Offset.zero;
updateDrag(initialPosition);
}
public _DragAvatar(
T data,
OverlayState overlayState,
Axis?axis = null,
Offset initialPosition = null,
Offset dragStartPoint = null,
Widget feedback = null,
Offset feedbackOffset = null,
_OnDragEnd onDragEnd = null
)
{
if (initialPosition == null)
{
initialPosition = Offset.zero;
}
if (dragStartPoint == null)
{
dragStartPoint = Offset.zero;
}
if (feedbackOffset == null)
{
feedbackOffset = Offset.zero;
}
D.assert(overlayState != null);
this.overlayState = overlayState;
this.data = data;
this.axis = axis;
this.dragStartPoint = dragStartPoint;
this.feedback = feedback;
this.feedbackOffset = feedbackOffset;
this.onDragEnd = onDragEnd;
this._entry = new OverlayEntry(this._build);
this.overlayState.insert(this._entry);
this._position = initialPosition;
this.updateDrag(initialPosition);
}