protected void TryChangeSizeOf(IPanelGroupElement element, PanelDirection direction, float deltaSize)
{
if (element.IsNull() || deltaSize <= MIN_SIZE_TOLERANCE || element.GetSurroundingElement(direction).IsNull())
{
return;
}
resizePropsIndex = 0;
IPanelGroupElement surroundingElement = element.GetSurroundingElement(direction);
element = surroundingElement.GetSurroundingElement(direction.Opposite());
AddResizeProperty(element);
float deltaMovement = TryChangeSizeOfInternal(surroundingElement, direction, deltaSize);
if (resizePropsIndex > 1)
{
ResizeElementHelper(0, direction, deltaMovement);
for (int i = 0; i < resizePropsIndex; i++)
{
ElementDirtyProperties properties = resizeProperties[i];
Vector2 position = properties.element.Position + new Vector2(properties.posX, properties.posY);
Vector2 size = properties.element.Size + new Vector2(properties.sizeX, properties.sizeY);
UpdateBoundsOf(properties.element, position, size);
}
}
}
private void ResizeElementHelper(int resizePropsIndex, PanelDirection direction, float deltaSize)
{
ElementDirtyProperties properties = resizeProperties[resizePropsIndex];
if (direction == PanelDirection.Left)
{
properties.posX -= deltaSize;
properties.sizeX += deltaSize;
}
else if (direction == PanelDirection.Top)
{
properties.sizeY += deltaSize;
}
else if (direction == PanelDirection.Right)
{
properties.sizeX += deltaSize;
}
else
{
properties.posY -= deltaSize;
properties.sizeY += deltaSize;
}
}
