public void Update(TimeSpan lifetime, Animation animation, Thickness margin, Size size,
HorizontalPlacement horizontalPlacement, VerticalPlacement verticalPlacement)
{
lock (_lock)
{
Parallel.Invoke(
() =>
{
Settings.Default.Lifetime = lifetime;
Settings.Default.Animation = animation;
Settings.Default.Margin = margin;
Settings.Default.Size = size;
Settings.Default.HorizontalPlacement = horizontalPlacement;
Settings.Default.VerticalPlacement = verticalPlacement;
Settings.Default.Save();
},
() =>
{
_lifetimeCache = lifetime;
_animationCache = animation;
_marginCache = margin;
_sizeCache = size;
_horizontalPlacementCache = horizontalPlacement;
_verticalPlacementCache = verticalPlacement;
});
}
}
private static double[] GetHorizontalOffsets(HorizontalPlacement horizontalPlacement, double popupWidth, double targetWidth, double offsetWidth)
{
var horizontalOffsets = Enumerable.Repeat <double>(offsetWidth, 2).ToArray();
switch (horizontalPlacement)
{
case HorizontalPlacement.Left:
horizontalOffsets[0] += -popupWidth;
horizontalOffsets[1] += targetWidth;
break;
case HorizontalPlacement.Center:
horizontalOffsets[0] += targetWidth / 2 - popupWidth / 2;
horizontalOffsets[1] = horizontalOffsets[0];
break;
case HorizontalPlacement.Right:
horizontalOffsets[0] += targetWidth;
horizontalOffsets[1] += -popupWidth;
break;
default:
throw new Exception("Invalid Vertical Placement");
}
return(horizontalOffsets);
}
private static bool TryParsePlacements(string arg1, string arg2, out HorizontalPlacement horizontal, out VerticalPlacement vertical)
{
vertical = default(VerticalPlacement);
return((Enum.TryParse(arg1, ignoreCase: true, result: out horizontal) &&
Enum.TryParse(arg2, ignoreCase: true, result: out vertical)) ||
(Enum.TryParse(arg2, ignoreCase: true, result: out horizontal) &&
Enum.TryParse(arg1, ignoreCase: true, result: out vertical)));
}
private static double GetHorizontalOffset(Size popupSize, Size targetSize, HorizontalPlacement horizontalPlacement)
{
switch (horizontalPlacement)
{
case HorizontalPlacement.Left:
return(0);
case HorizontalPlacement.Right:
return(targetSize.Width - popupSize.Width);
case HorizontalPlacement.Center:
return(-(popupSize.Width / 2) + targetSize.Width / 2);
}
throw new ArgumentOutOfRangeException("horizontalPlacement");
}
private static double GetHorizontalOffset(HorizontalPlacement horizontalPlacement, double popupWidth, double targetWidth, double offsetWidth)
{
var horizontalOffset = offsetWidth;
switch (horizontalPlacement)
{
case HorizontalPlacement.Left:
horizontalOffset += -popupWidth;
break;
case HorizontalPlacement.Center:
horizontalOffset += targetWidth / 2 - popupWidth / 2;
break;
case HorizontalPlacement.Right:
horizontalOffset += targetWidth;
break;
default:
throw new Exception("Invalid Vertical Placement");
}
return(horizontalOffset);
}
/// <summary>
/// Initializes a new instance of the <see cref="PlacementOptions"/> class.
/// </summary>
/// <param name="horizontal">The <see cref="HorizontalPlacement"/>.</param>
/// <param name="vertical">The <see cref="VerticalPlacement"/>.</param>
/// <param name="offset">The offset.</param>
public PlacementOptions(HorizontalPlacement horizontal, VerticalPlacement vertical, double offset)
{
this.Vertical = vertical;
this.Horizontal = horizontal;
this.Offset = offset;
}
/// <summary>
/// Usage: In XAML, add the following to your tooltip:
/// Placement="Custom" CustomPopupPlacementCallback="CustomPopupPlacementCallback"
/// and call this method from the CustomPopupPlacementCallback.
/// </summary>
public static CustomPopupPlacement[] PlacePopup(Size popupSize, Size targetSize, Point offset, VerticalPlacement verticalPlacement, HorizontalPlacement horizontalPlacement)
{
Point p = new Point {
X = GetHorizontalOffset(popupSize, targetSize, horizontalPlacement),
Y = GetVerticalOffset(popupSize, targetSize, verticalPlacement)
};
return(new[] {
new CustomPopupPlacement(p, PopupPrimaryAxis.Horizontal)
});
}
public PlacementOptions(HorizontalPlacement horizontal, VerticalPlacement vertical, double offset)
{
this.Vertical = vertical;
this.Horizontal = horizontal;
this.Offset = offset;
}
private static bool TryParsePlacements(string arg1, string arg2, out HorizontalPlacement horizontal, out VerticalPlacement vertical)
{
vertical = default(VerticalPlacement);
return (Enum.TryParse(arg1, true, out horizontal) &&
Enum.TryParse(arg2, true, out vertical)) ||
(Enum.TryParse(arg2, true, out horizontal) &&
Enum.TryParse(arg1, true, out vertical));
}