public __Chart()
{
this.ChartAreas = new __ChartAreaCollection();
this.Series = new __SeriesCollection();
this.Legends = new __LegendCollection();
// X:\jsc.svn\examples\javascript\svg\SVGChartExperiment\SVGChartExperiment\Application.cs
this.InternalElement.style.overflow = DOM.IStyle.OverflowEnum.hidden;
#region build something visible
{
var svg = new ISVGSVGElement
{
//width = 200,
//height = 200
};
var polygon0 = new ISVGPolygonElement { }.AttachTo(svg);
var polygon1 = new ISVGPolygonElement { }.AttachTo(svg);
var SeriesOfInterest = new List<__Series>();
var UpdateCounter = 0;
Action update = delegate { };
update = delegate
{
UpdateCounter++;
Console.WriteLine("__Chart update " + new { UpdateCounter });
svg.width = this.clientWidth;
svg.height = this.clientHeight;
// width: 780px;
//svg.setAttribute("width", "200");
var w0 = new StringBuilder();
var w1 = new StringBuilder();
// for print!
var svghardmarginx = 16;
var svghardmarginy = 16;
#region add0
Action<double, double> add0 = (x, y) =>
{
var xx = (x * (this.clientWidth - 2 * svghardmarginx)) + svghardmarginx;
var yy = (y * (this.clientHeight - 2 * svghardmarginy)) + svghardmarginy;
w0.Append(xx + "," + yy + " ");
};
// the highlight
Action<double, double> add1 = (x, y) =>
{
var xx = (x * (this.clientWidth - 2 * svghardmarginx)) + svghardmarginx;
var yy = (y * (this.clientHeight - 2 * svghardmarginy)) + svghardmarginy;
w1.Append(xx + "," + yy + " ");
};
#endregion
//add0(1, 1);
// upside down
// databind?
//StackTrace
// jsc shall fill in the StackTrace info?
//Console.WriteLine(new { this.DataSource });
// 35:33486ms { DataSource = <Namespace>.BindingSource }
// as IList instead?
// X:\jsc.svn\core\ScriptCoreLib\Shared\BCLImplementation\System\Data\DataTable.cs
var __DataSource = this.DataSource;
if (__DataSource != null)
{
// jsc as opertor for jsc does not like null yet?
var asIList = __DataSource as IList;
if (asIList == null)
{
Console.WriteLine("not IList " + new { __DataSource });
// 44:105945ms not IList
var asIListSource = __DataSource as IListSource;
if (asIListSource != null)
{
asIList = asIListSource.GetList();
Console.WriteLine("IListSource " + new { asIList });
}
}
var asBindingSource_Position = 0;
var asBindingSource = __DataSource as __BindingSource;
if (asBindingSource != null)
{
asBindingSource_Position = asBindingSource.Position;
}
//var asBindingSource = asIListSource.GetList();
if (asIList != null)
{
#region Series
foreach (Series s in this.Series)
{
var ss = (__Series)s;
// when the chart type changes, we may want to redraw our diagram.
// X:\jsc.svn\examples\javascript\forms\ChartTypeExperiment\ChartTypeExperiment\ApplicationControl.cs
// 44:95855ms { ChartType = 10, a
// 44:142897ms { ChartType = 13,
// hey SeriesOfInterest have we seen this series yet?
if (!SeriesOfInterest.Contains(ss))
{
// okay. first time we see it.
// lets start monitoring it for any changes we need to know about.
ss.InternalChartTypeChanged += delegate
{
update();
};
SeriesOfInterest.Add(ss);
}
// 35:11741ms { asBindingSource = <Namespace>.BindingSource, Count = 5, XValueMember = Xvalues, YValueMembers = Series2 }
//item.XValueType
Console.WriteLine(new
{
s.ChartType,
asIList,
asIList.Count,
s.XValueMember,
s.YValueMembers
});
Func<string, double> ConvertToDoubleOrZero = zz =>
{
// http://stackoverflow.com/questions/586436/double-tryparse-or-convert-todouble-which-is-faster-and-safer
if (string.IsNullOrEmpty(zz))
return 0;
return double.Parse(zz);
};
var datas =
from rowIndex in Enumerable.Range(0, asIList.Count)
let asDataRowView = (DataRowView)asIList[rowIndex]
//let asDataRowView = asBindingSource[rowIndex] as DataRowView
//where asDataRowView != null
// Error: Invalid value for <polygon> attribute points="16,155 16,43.8 150.4,16 284.8,71.6 419.2,132.25454545454545 553.6,43.8 688,NaN 688,155 "
let XValueMember = asDataRowView[s.XValueMember]
let YValueMembers = asDataRowView[s.YValueMembers]
// try?
//let x = Convert.ToDouble(XValueMember)
//let y = Convert.ToDouble(YValueMembers)
// new rows added, may show up empty!
let y = ConvertToDoubleOrZero((string)YValueMembers)
select new { rowIndex, XValueMember, y };
var data0 = datas.ToArray();
var data1 = datas.Take(asBindingSource_Position + 1).ToArray();
// what about neg values?
//var xmax = data.Max(z => z.x);
var ymax = data0.Max(z => z.y);
//Console.WriteLine(new { data0.Length, max = ymax });
// script: error JSC1000: No implementation found for this native method, please implement [static System.Convert.ToDouble(System.Object)]
//35:524ms { item = { rowIndex = 0, x = 1, y = 44 }, xx = 0.25, yy = 0.19999999999999996 }
//35:525ms { item = { rowIndex = 1, x = 2, y = 55 }, xx = 0.5, yy = 0 }
//35:525ms { item = { rowIndex = 2, x = 3, y = 33 }, xx = 0.75, yy = 0.4 }
//35:526ms { item = { rowIndex = 3, x = 4, y = 9 }, xx = 1, yy = 0.8363636363636364 }
//35:526ms { item = { rowIndex = 4, x = 5, y = 44 }, xx = 1.25, yy = 0.19999999999999996 }
//foreach (var item in data.OrderBy(z => z.x))
//44:3380ms { ChartType = 0, asIList = <Namespace>.BindingSource, Count = 5, XValueMember = Xvalues, YValueMembers = Series2 }
//44:11642ms __Chart update { UpdateCounter = 18 } view-source:38201
//44:11643ms { ChartType = 10, asIList = <Namespace>.BindingSource, Count = 5, XValueMember = Xvalues, YValueMembers = Series2 } view-source:38160
//44:16057ms __Chart update { UpdateCounter = 19 } view-source:38201
//44:16057ms { ChartType = 13, asIList = <Namespace>.BindingSource, Count = 5, XValueMember = Xvalues, YValueMembers = Series2 }
// .1?
// 44:619ms { ColumnWidth = 315 }
var ColumnWidth =
(1.0 / data0.Length) * 0.5;
if (ss.ChartType == SeriesChartType.Column)
{
// changing constants, jsc should autoupdate currently running code in the browser.
// should we have an int constant pool for that as we have for static strings?
svghardmarginx =
16 +
(this.clientWidth / data0.Length) / 2;
}
//Console.WriteLine(
// new { ColumnWidth }
// );
add0(0, 1);
add1(0, 1);
// .net does not seem to auto reorder x axis values per default
foreach (var item0 in data0)
{
//var xx = item.x / Math.Max(xmax, 1);
//var xx = item.rowIndex / Math.Max(data.Length, 1);
// fk int math.
var xx = (double)item0.rowIndex / Math.Max(data0.Length - 1, 1);
var yy = 1 - (item0.y / Math.Max(ymax, 1));
if (ss.ChartType == SeriesChartType.Area)
{
//Console.WriteLine(new { item, xx, yy });
add0(
xx,
yy
);
}
else
{
// how do we draw column?
//Console.WriteLine(new { item, xx, yy });
add0(
xx - ColumnWidth,
1
);
add0(
xx - ColumnWidth,
yy
);
add0(
xx + ColumnWidth,
yy
);
add0(
xx + ColumnWidth,
1
);
}
}
foreach (var item1 in data1)
{
var xx = (double)item1.rowIndex / Math.Max(data0.Length - 1, 1);
var yy = 1 - (item1.y / Math.Max(ymax, 1));
//Console.WriteLine(new { item1, xx, yy });
add1(
xx,
yy
);
if (item1.rowIndex == asBindingSource_Position)
{
// this is the last selection item.
this.InternalElement.title =
item1.XValueMember + " " + item1.y;
add1(
xx,
1.0
);
}
}
//35:704ms { rowIndex = 0, XValueMember = 1, YValueMembers = 44 }
//35:704ms { rowIndex = 1, XValueMember = 2, YValueMembers = 55 }
//35:705ms { rowIndex = 2, XValueMember = 3, YValueMembers = 33 }
//35:705ms { rowIndex = 3, XValueMember = 4, YValueMembers = 9 }
//35:705ms { rowIndex = 4, XValueMember = 5, YValueMembers = 44 }
//for (int i = 0; i < asBindingSource.Count; i++)
//{
// add(
// i / (asBindingSource.Count - 1),
// i / (asBindingSource.Count - 1)
// );
//}
// we can only talk to 1 for now
break;
}
#endregion
add0(1.0, 1.0);
polygon0.setAttribute("style", "fill:purple;stroke:darkpurple;stroke-width:1;");
polygon0.points = w0.ToString();
//polygon1.setAttribute("style", "fill:rgba(255,255,255,0.07);stroke:rgba(255,255,255,0.0);stroke-width:8;");
polygon1.setAttribute("style", "fill:rgba(255,255,255," + this.BindingSourcePositionAlpha + ");stroke:rgba(255,255,255,0.0);stroke-width:8;");
polygon1.points = w1.ToString();
return;
}
}
add0(0, 1);
add1(0, 1);
add0(0, 0.8);
add0(0.2, 0.2);
add0(0.4, 0.8);
add0(0.6, 0.6);
add0(0.8, 0.8);
add0(1.0, 1.0);
polygon0.setAttribute("style", "fill:red;stroke:darkpurple;stroke-width:1;");
polygon0.points = w0.ToString();
};
InternalDataSourceChanged += delegate
{
#region jsc experience, not available for CLR
{
var asBindingSource = this.DataSource as __BindingSource;
if (asBindingSource != null)
{
asBindingSource.PositionChanged +=
delegate
{
update();
};
}
}
#endregion
};
InternalAtDataBind += delegate
{
update();
};
update();
//this.ClientSizeChanged +=
this.SizeChanged +=
delegate
{
update();
};
svg.AttachTo(InternalElement);
}
#endregion
}
/// <summary>
/// This is a javascript application.
/// </summary>
/// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
public Application(IApp page)
{
// ! to convert svg to image we would need to normalize source, which defeats shadowdom purpose
// X:\jsc.svn\examples\javascript\svg\SVGCSSContent\SVGCSSContent\Application.cs
var s = new ISVGSVGElement
{
};
var f = new ISVGForeignObject().AttachTo(s);
//requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility">
//f.setAttribute("requiredFeatures", "http://www.w3.org/TR/SVG11/feature#Extensibility");
// http://starkravingfinkle.org/blog/2007/07/firefox-3-svg-foreignobject/
// http://stackoverflow.com/questions/11194403/svg-foreignobject-not-showing-in-chrome
var div = new IHTMLDiv
{
};
new IHTMLContent { select = "div" }.AttachTo(div);
//var divbody = new IHTMLDiv
//{
// innerHTML = "I like <span style='color:white; text-shadow:0 2px 2px blue;'>cheese</span>"
//}.AttachTo(div);
// https://groups.google.com/forum/#!topic/svg-edit/60HICxGWFNE
// http://www.w3.org/TR/SVG11/extend.html#ForeignObjectElement
// http://css.dzone.com/articles/securing-pixel-data-svg-and
// view-source:http://starkravingfinkle.org/blog/wp-content/uploads/2007/07/foreignobject-transform.svg
// http://stackoverflow.com/questions/6849192/what-can-be-rendered-in-foreignobject-element-when-svg-is-embedded-in-html5
//new StockToolboxImageForWebGLComponent().AttachTo(divbody);
//new Anonymous_LogosSingle().AttachTo(divbody);
// for detatched calculations!
//div.style.fontFamily = IStyle.FontFamilyEnum.Verdana;
//div.style.fontSize = "40px";
div.style.display = IStyle.DisplayEnum.inline_block;
// div.AttachToDocument();
s.width = 400;
s.height = 100;
//s.width = div.clientWidth;
//s.height = div.clientHeight;
//s.height = div.clientHeight;
div.AttachTo(f);
//s.AttachToDocument();
s.AttachTo(Native.body.shadow);
// and then show any canvases
//new IHTMLContent { select = "canvas" }.AttachTo(div);
// https://developer.mozilla.org/en-US/docs/Web/HTML/Canvas/Drawing_DOM_objects_into_a_canvas
//var c = new CanvasRenderingContext2D(400, 100);
//c.drawImage(
}
