/// <summary>
/// Updates the location of the edit handles when the bounds has been relocated or
/// resized.
/// </summary>
public virtual void BoundsChanged()
{
// Anything to process?
if (TopLeftHandle == null)
{
return;
}
// Adjust the four courner drag handles
TopLeftHandle.MoveTo(Left - KimonoHandle.DrawOffset, Top - KimonoHandle.DrawOffset);
TopRightHandle.MoveTo(Right - KimonoHandle.DrawOffset, Top - KimonoHandle.DrawOffset);
BottomRightHandle.MoveTo(Right - KimonoHandle.DrawOffset, Bottom - KimonoHandle.DrawOffset);
BottomLeftHandle.MoveTo(Left - KimonoHandle.DrawOffset, Bottom - KimonoHandle.DrawOffset);
// Set handle state
var newHandleState = (State == KimonoShapeState.Selected) ? KimonoShapeState.Unselected : State;
// Adjust top and bottom drag handles based on width
if (Width < 50)
{
// Too small so remove handles
TopHandle = null;
BottomHandle = null;
}
else
{
// Move or create handles as needed
if (TopHandle == null)
{
TopHandle = new KimonoHandle(HorizontalCenter - KimonoHandle.DrawOffset, Top - KimonoHandle.DrawOffset, KimonoHandleConstraint.Vertical, newHandleState);
TopHandle.Moved += (point) =>
{
Top = point.Y;
};
}
else
{
TopHandle.MoveTo(HorizontalCenter - KimonoHandle.DrawOffset, Top - KimonoHandle.DrawOffset);
}
if (BottomHandle == null)
{
BottomHandle = new KimonoHandle(HorizontalCenter - KimonoHandle.DrawOffset, Bottom - KimonoHandle.DrawOffset, KimonoHandleConstraint.Vertical, newHandleState);
BottomHandle.Moved += (point) =>
{
Bottom = point.Y;
};
}
else
{
BottomHandle.MoveTo(HorizontalCenter - KimonoHandle.DrawOffset, Bottom - KimonoHandle.DrawOffset);
}
}
// Adjust left and right drag handles based on the height
if (Height < 50)
{
// Too small so remove handles
LeftHandle = null;
RightHandle = null;
}
else
{
// Move or create handles as needed
if (LeftHandle == null)
{
LeftHandle = new KimonoHandle(Left - KimonoHandle.DrawOffset, VerticalCenter - KimonoHandle.DrawOffset, KimonoHandleConstraint.Horizontal, newHandleState);
LeftHandle.Moved += (point) =>
{
Left = point.X;
};
}
else
{
LeftHandle.MoveTo(Left - KimonoHandle.DrawOffset, VerticalCenter - KimonoHandle.DrawOffset);
}
if (RightHandle == null)
{
RightHandle = new KimonoHandle(Right - KimonoHandle.DrawOffset, VerticalCenter - KimonoHandle.DrawOffset, KimonoHandleConstraint.Horizontal, newHandleState);
RightHandle.Moved += (point) =>
{
Right = point.X;
};
}
else
{
RightHandle.MoveTo(Right - KimonoHandle.DrawOffset, VerticalCenter - KimonoHandle.DrawOffset);
}
}
}