private void Location_Click(object sender, RoutedEventArgs e)
{
AnimateLocation l = _location[_random.Next(_location.Length)];
NewPosition.Location = l;
RemovePosition.Location = l;
}
/// <summary>
/// Calculate appropriate rectangle from given current state and target location.
/// </summary>
/// <param name="location">Location enumeration.</param>
/// <param name="metaPanel">Reference to owning panel instance.</param>
/// <param name="elementState">Animation state of element.</param>
/// <returns>Calculated rectangle using provided location.</returns>
protected Rect RectFromLocation(AnimateLocation location,
MetaPanelBase metaPanel,
MetaElementState elementState)
{
// Nearest edge is converted into a particular edge
switch (location)
{
case AnimateLocation.NearestEdge:
case AnimateLocation.NearestEdgePaged:
bool paged = (location == AnimateLocation.NearestEdgePaged);
// Find distance from each edge
double left = Math.Abs(elementState.TargetRect.Left);
double top = Math.Abs(elementState.TargetRect.Top);
double right = Math.Abs(metaPanel.ActualWidth - elementState.TargetRect.Right);
double bottom = Math.Abs(metaPanel.ActualHeight - elementState.TargetRect.Bottom);
// Find nearest distance for vertical and horizontal
double horz = (left < right ? left : right);
double vert = (top < bottom ? top : bottom);
// Is horizontal nearest?
if (horz <= vert)
{
// Is the left the nearest?
if (horz == left)
location = (paged ? AnimateLocation.LeftPaged : AnimateLocation.Left);
else
location = (paged ? AnimateLocation.RightPaged : AnimateLocation.Right);
}
else
{
// Is the top the nearest?
if (vert == top)
location = (paged ? AnimateLocation.TopPaged : AnimateLocation.Top);
else
location = (paged ? AnimateLocation.BottomPaged : AnimateLocation.Bottom);
}
break;
}
switch (location)
{
case AnimateLocation.Target:
return elementState.TargetRect;
case AnimateLocation.Center:
return new Rect((metaPanel.ActualWidth / 2) - (elementState.TargetRect.Width - 2),
(metaPanel.ActualHeight / 2) - (elementState.TargetRect.Height - 2),
elementState.TargetRect.Width,
elementState.TargetRect.Height);
case AnimateLocation.Top:
return new Rect(elementState.TargetRect.X,
-elementState.TargetRect.Height,
elementState.TargetRect.Width,
elementState.TargetRect.Height);
case AnimateLocation.TopPaged:
return new Rect(elementState.TargetRect.X,
-metaPanel.ActualHeight + elementState.TargetRect.Y,
elementState.TargetRect.Width,
elementState.TargetRect.Height);
case AnimateLocation.Bottom:
return new Rect(elementState.TargetRect.X,
metaPanel.ActualHeight,
elementState.TargetRect.Width,
elementState.TargetRect.Height);
case AnimateLocation.BottomPaged:
return new Rect(elementState.TargetRect.X,
metaPanel.ActualHeight + elementState.TargetRect.Y,
elementState.TargetRect.Width,
elementState.TargetRect.Height);
case AnimateLocation.Left:
return new Rect(-elementState.TargetRect.Width,
elementState.TargetRect.Y,
elementState.TargetRect.Width,
elementState.TargetRect.Height);
case AnimateLocation.LeftPaged:
return new Rect(-metaPanel.ActualWidth + elementState.TargetRect.X,
elementState.TargetRect.Y,
elementState.TargetRect.Width,
elementState.TargetRect.Height);
case AnimateLocation.Right:
return new Rect(metaPanel.ActualWidth,
elementState.TargetRect.Y,
elementState.TargetRect.Width,
elementState.TargetRect.Height);
case AnimateLocation.RightPaged:
return new Rect(metaPanel.ActualWidth + elementState.TargetRect.X,
elementState.TargetRect.Y,
elementState.TargetRect.Width,
elementState.TargetRect.Height);
case AnimateLocation.TopLeft:
return new Rect(-elementState.TargetRect.Width,
-elementState.TargetRect.Height,
elementState.TargetRect.Width,
elementState.TargetRect.Height);
case AnimateLocation.TopRight:
return new Rect(metaPanel.ActualWidth,
-elementState.TargetRect.Height,
elementState.TargetRect.Width,
elementState.TargetRect.Height);
case AnimateLocation.BottomLeft:
return new Rect(-elementState.TargetRect.Width,
metaPanel.ActualHeight,
elementState.TargetRect.Width,
elementState.TargetRect.Height);
case AnimateLocation.BottomRight:
return new Rect(metaPanel.ActualWidth,
metaPanel.ActualHeight,
elementState.TargetRect.Width,
elementState.TargetRect.Height);
default:
// Should never happen!
Debug.Assert(false);
return new Rect();
}
}
/// <summary>
/// Calculate appropriate rectangle from given current state and target location.
/// </summary>
/// <param name="location">Location enumeration.</param>
/// <param name="metaPanel">Reference to owning panel instance.</param>
/// <param name="elementState">Animation state of element.</param>
/// <returns>Calculated rectangle using provided location.</returns>
protected Rect RectFromLocation(AnimateLocation location,
MetaPanelBase metaPanel,
MetaElementState elementState)
{
// Nearest edge is converted into a particular edge
switch (location)
{
case AnimateLocation.NearestEdge:
case AnimateLocation.NearestEdgePaged:
bool paged = (location == AnimateLocation.NearestEdgePaged);
// Find distance from each edge
double left = Math.Abs(elementState.TargetRect.Left);
double top = Math.Abs(elementState.TargetRect.Top);
double right = Math.Abs(metaPanel.ActualWidth - elementState.TargetRect.Right);
double bottom = Math.Abs(metaPanel.ActualHeight - elementState.TargetRect.Bottom);
// Find nearest distance for vertical and horizontal
double horz = (left < right ? left : right);
double vert = (top < bottom ? top : bottom);
// Is horizontal nearest?
if (horz <= vert)
{
// Is the left the nearest?
if (horz == left)
{
location = (paged ? AnimateLocation.LeftPaged : AnimateLocation.Left);
}
else
{
location = (paged ? AnimateLocation.RightPaged : AnimateLocation.Right);
}
}
else
{
// Is the top the nearest?
if (vert == top)
{
location = (paged ? AnimateLocation.TopPaged : AnimateLocation.Top);
}
else
{
location = (paged ? AnimateLocation.BottomPaged : AnimateLocation.Bottom);
}
}
break;
}
switch (location)
{
case AnimateLocation.Target:
return(elementState.TargetRect);
case AnimateLocation.Center:
return(new Rect((metaPanel.ActualWidth / 2) - (elementState.TargetRect.Width - 2),
(metaPanel.ActualHeight / 2) - (elementState.TargetRect.Height - 2),
elementState.TargetRect.Width,
elementState.TargetRect.Height));
case AnimateLocation.Top:
return(new Rect(elementState.TargetRect.X,
-elementState.TargetRect.Height,
elementState.TargetRect.Width,
elementState.TargetRect.Height));
case AnimateLocation.TopPaged:
return(new Rect(elementState.TargetRect.X,
-metaPanel.ActualHeight + elementState.TargetRect.Y,
elementState.TargetRect.Width,
elementState.TargetRect.Height));
case AnimateLocation.Bottom:
return(new Rect(elementState.TargetRect.X,
metaPanel.ActualHeight,
elementState.TargetRect.Width,
elementState.TargetRect.Height));
case AnimateLocation.BottomPaged:
return(new Rect(elementState.TargetRect.X,
metaPanel.ActualHeight + elementState.TargetRect.Y,
elementState.TargetRect.Width,
elementState.TargetRect.Height));
case AnimateLocation.Left:
return(new Rect(-elementState.TargetRect.Width,
elementState.TargetRect.Y,
elementState.TargetRect.Width,
elementState.TargetRect.Height));
case AnimateLocation.LeftPaged:
return(new Rect(-metaPanel.ActualWidth + elementState.TargetRect.X,
elementState.TargetRect.Y,
elementState.TargetRect.Width,
elementState.TargetRect.Height));
case AnimateLocation.Right:
return(new Rect(metaPanel.ActualWidth,
elementState.TargetRect.Y,
elementState.TargetRect.Width,
elementState.TargetRect.Height));
case AnimateLocation.RightPaged:
return(new Rect(metaPanel.ActualWidth + elementState.TargetRect.X,
elementState.TargetRect.Y,
elementState.TargetRect.Width,
elementState.TargetRect.Height));
case AnimateLocation.TopLeft:
return(new Rect(-elementState.TargetRect.Width,
-elementState.TargetRect.Height,
elementState.TargetRect.Width,
elementState.TargetRect.Height));
case AnimateLocation.TopRight:
return(new Rect(metaPanel.ActualWidth,
-elementState.TargetRect.Height,
elementState.TargetRect.Width,
elementState.TargetRect.Height));
case AnimateLocation.BottomLeft:
return(new Rect(-elementState.TargetRect.Width,
metaPanel.ActualHeight,
elementState.TargetRect.Width,
elementState.TargetRect.Height));
case AnimateLocation.BottomRight:
return(new Rect(metaPanel.ActualWidth,
metaPanel.ActualHeight,
elementState.TargetRect.Width,
elementState.TargetRect.Height));
default:
// Should never happen!
Debug.Assert(false);
return(new Rect());
}
}
