/// <summary>
/// Creates a new control
/// </summary>
public TextScreenSaver(Qoutes.DocumentList list = null)
{
if (list == null)
list = DefaultData;
var type = typeof(TextScreenSaver);
var name = type.Name;
Console.WriteLine("type: " + name);
//try
//{
// //IStyleSheet.Default.AddRule("*", "cursor: url('assets/TextScreenSaver/images/cursor.cur'), auto;", 0);
//IStyleSheet.Default.AddRule("html",
// r =>
// {
// r.style.overflow = IStyle.OverflowEnum.hidden;
// }
//);
//}
//catch (Exception exc)
//{
// //new IHTMLElement(IHTMLElement.HTMLElementEnum.div, "error: " + exc.Message.Replace(",", ", ")).AttachToDocument().style.width = "80em";
//}
Action<Qoutes.DocumentRef, Action<Qoutes.Document>> PrepareDocument =
(doc, done) =>
{
if (doc.Document == null)
{
Native.Document.title = "loading...";
//Console.WriteLine("loading: " + doc.Source);
doc.Source.DownloadToXML<Qoutes.Document>(Qoutes.Settings.KnownTypes,
newdoc =>
{
doc.Document = newdoc;
done(newdoc);
}
);
}
else
done(doc.Document);
};
var current = list.Documents.Random();
var abort = default(Action);
var kbd = new KeyboardEvents();
var reset = default(Action);
kbd.left +=
ev =>
{
kbd.Enabled = false;
ev.PreventDefault();
if (abort != null)
abort();
current = list.Documents.Previous(i => i == current);
reset();
};
kbd.right +=
ev =>
{
kbd.Enabled = false;
ev.PreventDefault();
if (abort != null)
abort();
current = list.Documents.Next(i => i == current);
reset();
};
Native.Document.onkeydown += kbd;
reset =
() =>
PrepareDocument(current,
doc =>
{
Native.Document.title = doc.Topic.Trim();
var body = Native.Document.body;
body.style.overflow = IStyle.OverflowEnum.hidden;
body.style.width = "100%";
body.style.height = "100%";
body.style.fontFamily = IStyle.FontFamilyEnum.Verdana;
//body.style.backgroundImage = "url(assets/TextScreenSaver/powered_by_jsc.png)";
body.style.backgroundRepeat = "no-repeat";
//("BackgroundColor: " + doc.Style.BackgroundColor).ToConsole();
//("Color: " + doc.Style.Color).ToConsole();
doc.Style.ApplyTo(body.style);
var lines = doc.Lines();
var timer_handler = new Action<Timer>(delegate { });
var timer_ref = 100.AsTimer(timer_handler);
var vectors = new List<IHTMLDiv>();
var abort_me = default(Action);
abort_me =
delegate
{
abort -= abort_me;
Console.WriteLine("aborting...");
timer_ref.Stop();
vectors.ForEach(v => v.Orphanize());
abort_me = null;
};
abort += abort_me;
Action<Action> SpawnVector =
done =>
{
// we have been aborted
if (abort_me == null)
return;
var z = 0.5d.Random() + 0.5d;
var v = new IHTMLDiv { innerText = lines.Random() };
v.style.whiteSpace = IStyle.WhiteSpaceEnum.nowrap;
vectors.Add(v);
Action ApplyZ =
() =>
{
v.style.fontSize = (z * 3) + "em";
v.style.Opacity = z;
v.style.zIndex = (z * 1000).Floor();
};
ApplyZ();
var x = 100d;
var y = 80.Random();
v.style.position = IStyle.PositionEnum.absolute;
Action UpdatePosition =
() =>
{
v.style.left = x + "%";
v.style.top = y + "%";
};
UpdatePosition();
v.AttachTo(body);
var handler = default(Action<Timer>);
Action DisposeThisVector =
delegate
{
timer_handler -= handler;
v.FadeOut();
done();
};
v.ondblclick +=
ev =>
{
DisposeThisVector();
};
var IsHover = false;
v.onmousedown +=
ev =>
{
ev.PreventDefault();
};
v.onmouseover +=
delegate
{
v.style.color = doc.Style.HoverColor;
IsHover = true;
};
v.onmouseout +=
delegate
{
v.style.color = Color.None;
IsHover = false;
};
v.onmousewheel +=
ev =>
{
z = (z + 0.02 * ev.WheelDirection).Max(0.5).Min(1.0);
ApplyZ();
};
var drag = new DragHelper(v);
drag.Enabled = true;
drag.DragMove +=
delegate
{
var w = Native.window.Width;
var h = Native.window.Height;
x = (drag.Position.X * 100 / w);
y = (drag.Position.Y * 100 / h);
UpdatePosition();
// v.style.SetLocation(drag.Position.X, drag.Position.Y);
};
handler =
timer =>
{
if (drag.IsDrag)
return;
if (IsHover)
return;
x -= 0.4 * z;
UpdatePosition();
drag.Position = new Point(v.offsetLeft, v.offsetTop);
if (v.GetOffsetRight() < 0)
{
DisposeThisVector();
}
};
timer_handler += handler;
};
var SpawnNextVector = SpawnVector.AsCyclic();
var SpawnRandom = default(Action<int, int, Action>);
SpawnRandom =
(counter, max, h) =>
{
max.Random().Delayed(
() =>
{
h();
counter--;
if (counter > 0)
SpawnRandom(counter, max, h);
}
);
};
SpawnRandom(doc.Count.ToInt32(), 3000, SpawnNextVector);
kbd.Enabled = true;
}
);
reset();
}
