/// <summary>
/// 更新Tabs内部停靠导航
/// </summary>
/// <param name="p_pos"></param>
/// <param name="p_win"></param>
void UpdateCompass(Point p_pos, ToolWindow p_win)
{
// 获取当前位置处其他窗口中的Tabs
Tabs sect = GetHitSect(p_pos, _popupPanel, p_win);
if (sect == null || !CheckIsDockable(sect))
{
// 当前位置处的Tabs
sect = GetHitSect(p_pos, this, p_win);
if (sect != null && sect.IsInCenter && !p_win.CanDockInCenter)
{
sect = null;
}
}
// 有变化
if (sect != _sectWithCompass && _compass != null)
{
_compass.ClearIndicators();
}
if (sect == null)
{
// 无选中区域
_sectWithCompass = null;
_compass.Visibility = Visibility.Collapsed;
}
else
{
// 有停靠区域
_sectWithCompass = sect;
_compass.Visibility = Visibility.Visible;
double horOffset = (sect.ActualWidth - _compass.Width) / 2.0;
double verOffset = (sect.ActualHeight - _compass.Height) / 2.0;
Point pos = GetElementPositionRelatedToPopup(sect);
double left = Math.Round((double)(horOffset + pos.X));
double top = Math.Round((double)(verOffset + pos.Y));
Canvas.SetLeft(_compass, left);
Canvas.SetTop(_compass, top);
_compass.ChangeDockPosition(p_pos);
}
}