private void DrawContent()
{
DrawInFixedRectIfNeeded(() =>
{
float contentHeight = EditorDrawHelper.DrawVertically(_selectionTree.Draw, _preventExpandingHeight,
DropdownStyle.BackgroundColor);
if (_contentHeight == 0f || Event.current.type == EventType.Repaint)
{
_contentHeight = contentHeight;
}
EditorDrawHelper.DrawBorders(position.width, position.height, DropdownStyle.BorderColor);
});
}
/// <summary>Draws elements with scrollbar if the list is large enough.</summary>
/// <param name="drawContent">
/// Action that takes a visible rect as an argument. Visible rect is the rect where GUI elements are in the
/// window borders and are shown on screen.
/// </param>
public void DrawWithScrollbar(Action <Rect> drawContent)
{
EditorDrawHelper.DrawVertically(windowRect =>
{
if (Event.current.type == EventType.Repaint)
{
_windowRect = windowRect;
}
DrawInScrollView(() =>
{
Rect newWholeListRect = EditorDrawHelper.DrawVertically(() => { drawContent(VisibleRect); });
if (_wholeListRect.height == 0f || Event.current.type == EventType.Repaint)
{
_visible = _wholeListRect.height > _windowRect.height;
_wholeListRect = newWholeListRect;
}
});
});
ScrollToNodeIfNeeded();
}
