/// <summary>
/// Updates the cursor.
/// </summary>
protected virtual void UpdateCursor()
{
if ((regions.NW && ResizeDirections.TopLeft) || (regions.SE && ResizeDirections.BottomRight))
{
globalCursorSetted = true;
cursorChanged = true;
Cursor.SetCursor(CursorNWSETexture, CursorNWSEHotSpot, Compatibility.GetCursorMode());
}
else if ((regions.NE && ResizeDirections.TopRight) || (regions.SW && ResizeDirections.BottomLeft))
{
globalCursorSetted = true;
cursorChanged = true;
Cursor.SetCursor(CursorNESWTexture, CursorNESWHotSpot, Compatibility.GetCursorMode());
}
else if ((regions.Top && ResizeDirections.Top) || (regions.Bottom && ResizeDirections.Bottom))
{
globalCursorSetted = true;
cursorChanged = true;
Cursor.SetCursor(CursorNSTexture, CursorNSHotSpot, Compatibility.GetCursorMode());
}
else if ((regions.Left && ResizeDirections.Left) || (regions.Right && ResizeDirections.Right))
{
globalCursorSetted = true;
cursorChanged = true;
Cursor.SetCursor(CursorEWTexture, CursorEWHotSpot, Compatibility.GetCursorMode());
}
else if (cursorChanged)
{
ResetCursor();
}
}
void ResetCursor()
{
globalCursorSetted = false;
cursorChanged = false;
Cursor.SetCursor(DefaultCursorTexture, DefaultCursorHotSpot, Compatibility.GetCursorMode());
}
/// <summary>
/// Called by a BaseInputModule when an OnPointerExit event occurs.
/// </summary>
/// <param name="eventData">Event data.</param>
public void OnPointerExit(PointerEventData eventData)
{
IsCursorOver = false;
cursorChanged = false;
Cursor.SetCursor(DefaultCursorTexture, DefaultCursorHotSpot, Compatibility.GetCursorMode());
}
/// <summary>
/// When dragging is occurring this will be called every time the cursor is moved.
/// </summary>
/// <param name="eventData">Current event data.</param>
public virtual void OnDrag(PointerEventData eventData)
{
if (!IsDragged)
{
return;
}
oldTarget = currentTarget;
currentTarget = FindTarget(eventData);
if ((oldTarget != null) && (currentTarget != oldTarget))
{
oldTarget.DropCanceled(Data, eventData);
}
if (currentTarget != null)
{
// set cursor can drop
Cursor.SetCursor(AllowDropCursor, AllowDropCursorHotSpot, Compatibility.GetCursorMode());
}
else
{
// set cursor fail drop
Cursor.SetCursor(DeniedDropCursor, DeniedDropCursorHotSpot, Compatibility.GetCursorMode());
}
Vector2 point;
if (!RectTransformUtility.ScreenPointToLocalPointInRectangle(CanvasTransform as RectTransform, Input.mousePosition, eventData.pressEventCamera, out point))
{
return;
}
DragPoint.localPosition = point;
}
/// <summary>
/// Update cursors.
/// </summary>
protected virtual void LateUpdate()
{
if (!AllowResize)
{
return;
}
if (!IsCursorOver)
{
return;
}
if (processDrag || ProcessCellReorder)
{
return;
}
if ((CursorTexture == null) || (!Input.mousePresent))
{
return;
}
if (InActiveRegion)
{
Cursor.SetCursor(CursorTexture, CursorHotSpot, Compatibility.GetCursorMode());
cursorChanged = true;
}
else if (cursorChanged)
{
Cursor.SetCursor(DefaultCursorTexture, DefaultCursorHotSpot, Compatibility.GetCursorMode());
cursorChanged = false;
}
}
/// <summary>
/// Process OnEndDrag event.
/// </summary>
/// <param name="eventData">Current event data.</param>
protected virtual void OnEndDrag(PointerEventData eventData)
{
if (!IsDragged)
{
return;
}
FindCurrentTarget(eventData);
if (CurrentTarget != null)
{
CurrentTarget.Drop(Data, eventData);
Dropped(true);
}
else
{
Dropped(false);
}
IsDragged = false;
Cursor.SetCursor(DefaultCursorTexture, DefaultCursorHotSpot, Compatibility.GetCursorMode());
EndDragEvent.Invoke();
}
/// <summary>
/// Find current target.
/// </summary>
/// <param name="eventData">Event data.</param>
protected virtual void FindCurrentTarget(PointerEventData eventData)
{
var new_target = FindTarget(eventData);
if (new_target != CurrentTarget)
{
if (CurrentTarget != null)
{
CurrentTarget.DropCanceled(Data, eventData);
}
OnTargetChanged(CurrentTarget, new_target);
}
if (new_target != null)
{
// set cursor can drop
Cursor.SetCursor(AllowDropCursor, AllowDropCursorHotSpot, Compatibility.GetCursorMode());
}
else
{
// set cursor fail drop
Cursor.SetCursor(DeniedDropCursor, DeniedDropCursorHotSpot, Compatibility.GetCursorMode());
}
CurrentTarget = new_target;
}
/// <summary>
/// Raises the end drag event.
/// </summary>
/// <param name="eventData">Event data.</param>
public void OnEndDrag(PointerEventData eventData)
{
Cursor.SetCursor(DefaultCursorTexture, DefaultCursorHotSpot, Compatibility.GetCursorMode());
cursorChanged = false;
processDrag = false;
OnEndResize.Invoke(this);
}
/// <summary>
/// Process OnDisable event.
/// </summary>
protected virtual void OnDisable()
{
if (IsDragged)
{
if (Owner != null)
{
Owner.StopAutoScroll();
}
Dropped(false);
IsDragged = false;
Cursor.SetCursor(DefaultCursorTexture, DefaultCursorHotSpot, Compatibility.GetCursorMode());
}
}
/// <summary>
/// Raises the end drag event.
/// </summary>
/// <param name="eventData">Event data.</param>
public void OnEndDrag(PointerEventData eventData)
{
if (!processDrag)
{
return;
}
Cursor.SetCursor(DefaultCursorTexture, DefaultCursorHotSpot, Compatibility.GetCursorMode());
ResetChildren();
if (!OnDragUpdate)
{
Resize();
}
processDrag = false;
}
/// <summary>
/// Process the cancel event.
/// </summary>
/// <param name="eventData">Event data.</param>
public void OnCancel(BaseEventData eventData)
{
if (!IsDragged)
{
return;
}
if (currentTarget != null)
{
currentTarget.DropCanceled(Data, null);
}
Dropped(false);
IsDragged = false;
Cursor.SetCursor(DefaultCursorTexture, DefaultCursorHotSpot, Compatibility.GetCursorMode());
}
/// <summary>
/// Update cursor.
/// </summary>
protected virtual void LateUpdate()
{
if (!IsCursorOver)
{
return;
}
if (processDrag)
{
return;
}
if (CursorTexture == null)
{
return;
}
if (!Input.mousePresent)
{
return;
}
Vector2 point;
if (!RectTransformUtility.ScreenPointToLocalPointInRectangle(RectTransform, Input.mousePosition, CurrentCamera, out point))
{
return;
}
var rect = RectTransform.rect;
if (rect.Contains(point))
{
cursorChanged = true;
Cursor.SetCursor(CursorTexture, CursorHotSpot, Compatibility.GetCursorMode());
}
else if (cursorChanged)
{
cursorChanged = false;
Cursor.SetCursor(DefaultCursorTexture, DefaultCursorHotSpot, Compatibility.GetCursorMode());
}
}
/// <summary>
/// Raises the drag event.
/// </summary>
/// <param name="eventData">Event data.</param>
public void OnDrag(PointerEventData eventData)
{
if (!processDrag)
{
return;
}
if (canvas == null)
{
throw new MissingComponentException(gameObject.name + " not in Canvas hierarchy.");
}
Cursor.SetCursor(CursorTexture, CursorHotSpot, Compatibility.GetCursorMode());
Vector2 p1;
RectTransformUtility.ScreenPointToLocalPointInRectangle(RectTransform, eventData.position, GetCamera(), out p1);
Vector2 p2;
RectTransformUtility.ScreenPointToLocalPointInRectangle(RectTransform, eventData.position - eventData.delta, GetCamera(), out p2);
var delta = p1 - p2;
if (delta.x > 0)
{
leftTarget.preferredWidth = Mathf.Min(leftTarget.preferredWidth + delta.x, widthLimit - rightTarget.minWidth);
rightTarget.preferredWidth = widthLimit - leftTarget.preferredWidth;
}
else
{
rightTarget.preferredWidth = Mathf.Min(rightTarget.preferredWidth - delta.x, widthLimit - leftTarget.minWidth);
leftTarget.preferredWidth = widthLimit - rightTarget.preferredWidth;
}
LayoutUtilites.UpdateLayout(layout);
if (OnDragUpdate)
{
Resize();
}
}
/// <summary>
/// Raises the begin drag event.
/// </summary>
/// <param name="eventData">Event data.</param>
public void OnBeginDrag(PointerEventData eventData)
{
Vector2 point;
processDrag = false;
if (!RectTransformUtility.ScreenPointToLocalPointInRectangle(RectTransform, eventData.pressPosition, eventData.pressEventCamera, out point))
{
return;
}
var index = transform.GetSiblingIndex();
if (index == 0 || transform.parent.childCount == (index + 1))
{
return;
}
Cursor.SetCursor(CursorTexture, CursorHotSpot, Compatibility.GetCursorMode());
cursorChanged = true;
processDrag = true;
if (mode == SplitterMode.Auto)
{
leftTarget = transform.parent.GetChild(index - 1) as RectTransform;
rightTarget = transform.parent.GetChild(index + 1) as RectTransform;
}
LeftTargetElement.preferredWidth = leftTarget.rect.width;
LeftTargetElement.preferredHeight = leftTarget.rect.height;
RightTargetElement.preferredWidth = rightTarget.rect.width;
RightTargetElement.preferredHeight = rightTarget.rect.height;
summarySize = new Vector2(leftTarget.rect.width + rightTarget.rect.width, leftTarget.rect.height + rightTarget.rect.height);
OnStartResize.Invoke(this);
}
/// <summary>
/// Called by a BaseInputModule when a drag is ended.
/// </summary>
/// <param name="eventData">Current event data.</param>
public virtual void OnEndDrag(PointerEventData eventData)
{
if (!IsDragged)
{
return;
}
var target = FindTarget(eventData);
if (target != null)
{
target.Drop(Data, eventData);
Dropped(true);
}
else
{
Dropped(false);
}
IsDragged = false;
Cursor.SetCursor(DefaultCursorTexture, DefaultCursorHotSpot, Compatibility.GetCursorMode());
}