/// <summary>
/// Create and show a new error
/// </summary>
/// <param Name="error">The text to display to the user</param>
/// <param Name="camera">The camera to display the error on</param>
/// <param Name="duration">How long to display the error for</param>
public Error(string error, PCamera camera, int duration = 3000)
{
//Slightly shade the background to bring attention to the error
PPath background = PPath.CreateRectangle(0, 0, camera.ViewBounds.Width, camera.ViewBounds.Height);
background.Brush = new SolidBrush(Color.FromArgb(30, 220, 220, 220));
AddChild(background);
//Add the error text to the center of the screen
PText errorText = new PText(error);
errorText.ConstrainWidthToTextWidth = false;
errorText.Font = new Font("Century Gothic", 18);
errorText.TextAlignment = StringAlignment.Center;
float height = errorText.Font.Height;
float width = camera.Canvas.FindForm().Width;
float y = (camera.Canvas.FindForm().Height - height) / 2;
errorText.Bounds = new RectangleF(0, y, width, height);
AddChild(errorText);
//Display the error
camera.AddChild(this);
//Remove the error after the required time
PActivity dissapear = new PActivity(duration);
dissapear.ActivityFinished += activityFinished;
camera.Canvas.Root.AddActivity(dissapear);
}
/// <summary>
/// Sets the camera the bounds handles will be stuck to and the target node that
/// will be resized by the sticky bounds handles.
/// </summary>
/// <param name="newCamera">The camera to stick the bounds handles to.</param>
/// <param name="newTarget">
/// The node that will be resized by the sticky bounds handles.
/// </param>
public virtual void SetCameraTarget(PCamera newCamera, PNode newTarget) {
camera = newCamera;
camera.AddChild(this);
target = newTarget;
}
/// <summary>
/// Adds sticky bounds handles (with respect to the given camera) to the specified node.
/// </summary>
/// <param name="aNode">The node to isLocal sticky bounds handles to.</param>
/// <param name="camera">The camera to stick the bounds handles to.</param>
/// <remarks>
/// Sticky bounds handles are not affected by the view transform of the camera. That
/// is, they will remain a constant size as the view is zoomed in and out.
/// </remarks>
public static void AddStickyBoundsHandlesTo(PNode aNode, PCamera camera) {
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateEastLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateWestLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthEastLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthWestLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthEastLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthWestLocator(aNode)));
}