using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Windows.Browser;




namespace Psychlops
{

	namespace Widgets
	{

		public class Slider
		{
			internal System.Windows.UIElement instance;
			internal System.Windows.Controls.Slider uislider;
			internal string label;
			internal Interval range;

			public Slider(string l, Interval r)
			{
				range = r;
				label = l;
				Psychlops.Widgets.Connector.stackSlider(this);
			}
			public static implicit operator double(Slider s)
			{
				return s.value;
			}
			public double value {
				get { return uislider.Value; }
				set { if(uislider!=null) uislider.Dispatcher.BeginInvoke( new Action<System.Windows.Controls.Slider, double>(Connector.sliderSet) , uislider, value ); }
			}
			public bool changed { get; set; }
		}


		public class Browser
		{
			public class Element
			{
				HtmlElement elem;
				System.Object retval;

				public Element()
				{
					retval = 0;
				}

				public static Element byID(string id_tag)
				{
					return getElementById(id_tag);
				}
				public static Element getElementById(string id_tag)
				{
					Element tmp = new Element();
					Internal.Main.widgetStack.Dispatcher.BeginInvoke(new Connector.VoidString(tmp.getElementById__), id_tag);
					return tmp;
				}
				void getElementById__(string id_tag)
				{
					elem = HtmlPage.Document.GetElementById(id_tag);
				}

				public void setProperty(string name, System.Object value)
				{
					Internal.Main.widgetStack.Dispatcher.BeginInvoke(new Connector.VoidStringObject(setProperty__), name, value);
				}
				public void setProperty__(string name, System.Object value)
				{
					elem.SetProperty(name, value);
				}


				public static implicit operator double(Element i) { return i.getValueAsDouble(); }
				public double getValueAsDouble()
				{
					double v = 0;
					getProperty("value");
					try
					{
						v = double.Parse(retval.ToString());
					}
					catch (FormatException e)
					{
						v = 0;
					}
					return v;
				}

				public static implicit operator string(Element i) { return i.getProperty("value").ToString(); }
				public System.Object getProperty(string name)
				{
					Internal.Main.widgetStack.Dispatcher.BeginInvoke(new Connector.VoidString(getProperty__), name);
					return retval;
				}
				public void getProperty__(string name)
				{
					retval = elem.GetProperty(name);
				}
			}
		}



		internal static class Connector
		{
			internal delegate void VoidString(string s);
			internal delegate void VoidStringObject(String s, System.Object o);
			


			delegate void StackSlider_(Slider s);
			internal static void stackSlider(Slider s)
			{
				Internal.Main.widgetStack.Dispatcher.BeginInvoke(new StackSlider_(stackSlider__), s);
			}
			static void stackSlider__(Slider ss)
			{
				var holder = new System.Windows.Controls.Canvas { Width = 200 };
				var val = new System.Windows.Controls.TextBox { Width = 100 };
				System.Windows.Controls.Canvas.SetLeft(val, 100);
				var slide = new System.Windows.Controls.Slider {
						Minimum = ss.range.begin.val, Maximum = ss.range.end.val,
						Name = ss.label,
						Tag = ss, Width = 200,
				};
				System.Windows.Controls.Canvas.SetTop(slide, 25);
				var b = new System.Windows.Data.Binding {
						Path = new PropertyPath("Value"),
						Mode = System.Windows.Data.BindingMode.TwoWay,
						Source = slide,
				};
				val.SetBinding(TextBox.TextProperty, b);
				ss.uislider = slide;
				//var b2 = new System.Windows.Data.Binding
				//{
				//	Path = new PropertyPath("value"),
				//	Mode = System.Windows.Data.BindingMode.TwoWay,
				//	Source = ss,
				//};
				//val.SetBinding(System.Windows.Controls.Slider.ValueProperty, b2);
				var label = new System.Windows.Controls.TextBlock { Text = ss.label };
				System.Windows.Controls.Canvas.SetLeft(label, 3);
				System.Windows.Controls.Canvas.SetTop(label, 3);

				holder.Children.Add(label);
				holder.Children.Add(slide);
				holder.Children.Add(val);
				ss.instance = holder;
				Internal.Main.widgetStack.Children.Add(ss.instance);
			}
			public static void sliderSet(System.Windows.Controls.Slider s, double v)
			{
				s.Value = v;
			}

		}

	}

}