public void ShowPopup(GObject popup, GObject owner, PopupDirection direction, PopupConstraint constraint, PopupHideCallback hideCallback = null)
{
this._popupHideCallback = hideCallback;
this._blocker = new GObject();
this._blocker.onClick.Add(this.OnPopupHide);
this.AddChild(this._blocker);
DisplayObject displayObj = this._blocker.displayObject;
ToolSet.SetAnchor(displayObj.rectTransform, AnchorType.Stretch_Stretch);
displayObj.RegisterEventTriggerType(EventTriggerType.PointerClick);
displayObj.name = "Blocker";
displayObj.size = Vector2.zero;
this.popup = popup;
this.AddChild(this.popup);
owner = owner ?? this;
Vector3[] corners = new Vector3[4];
owner.displayObject.rectTransform.GetWorldCorners(corners);
Vector3 min = this.displayObject.rectTransform.InverseTransformPoint(corners[0]);
Vector3 max = this.displayObject.rectTransform.InverseTransformPoint(corners[2]);
PointerEventData pointerEventData = EventSystem.instance.pointerInput.GetLastPointerEventData(PointerInput.K_MOUSE_LEFT_ID);
switch (direction)
{
case PopupDirection.TouchPosition:
this.popup.position = this.ScreenToLocal(pointerEventData.position);
break;
case PopupDirection.Left:
this.popup.position = new Vector2(min.x - this.popup.actualSize.x, -max.y);
break;
case PopupDirection.Upward:
this.popup.position = new Vector2(min.x, -max.y - this.popup.actualSize.y);
break;
case PopupDirection.Right:
this.popup.position = new Vector2(max.x, -max.y);
break;
case PopupDirection.Downward:
this.popup.position = new Vector2(min.x, -min.y);
break;
}
if (constraint > 0)
{
corners = new Vector3[4];
this.popup.displayObject.rectTransform.GetWorldCorners(corners);
min = this.displayObject.rectTransform.InverseTransformPoint(corners[0]);
max = this.displayObject.rectTransform.InverseTransformPoint(corners[2]);
if ((constraint & PopupConstraint.Right) > 0 &&
max.x > this.size.x)
{
this.popup.position = new Vector2(this.size.x - this.popup.size.x, this.popup.position.y);
}
if ((constraint & PopupConstraint.Left) > 0 &&
min.x < 0)
{
this.popup.position = new Vector2(0, this.popup.position.y);
}
if ((constraint & PopupConstraint.Bottom) > 0 &&
-min.y > this.size.y)
{
this.popup.position = new Vector2(this.popup.position.x, this.size.y - this.popup.size.y);
}
if ((constraint & PopupConstraint.Top) > 0 &&
-max.y < 0)
{
this.popup.position = new Vector2(this.popup.position.x, 0);
}
}
}
