protected void Page_Load(object sender, EventArgs e)
{
ChartSession cs = SessionManager.ChartSession;
if (!cs.IsEmpty())
{
LineChartConfig cfg = cs.ChartConfig as LineChartConfig;
if (cs.Name == SessionChartName.P2Hour ||
cs.Name == SessionChartName.PDuringWL ||
cs.Name == SessionChartName.PDuringFlux ||
cs.Name == SessionChartName.PDuringAmount)
{
CreateLineConfig(cfg, cs.DataSource);
//LineChartConfig cfg = Create(cs.DataSource);
}
//if (cs.Name == SessionChartName.PDuringWL)
//{
// LineChartConfig cfg = cs.ChartConfig as LineChartConfig;
// CreateLineConfig(cfg, cs.DataSource);
//}
//if (cs.Name == "...")
//{
//}
ChartFactory f = new ChartFactory();
OpenFlashChart.OpenFlashChart chart = f.Create(cs.DataSource as DataTable, cfg);
Response.Write(chart.ToString());
}
}
///// <summary>
/////
///// </summary>
///// <param name="cfg"></param>
///// <param name="p"></param>
//private void CreateLineConfigPDuring(LineChartConfig cfg, object dataSource)
//{
// DataTable tbl = dataSource as DataTable;
// ColorProvider cp = new ColorProvider();
// for( int i=1;
//}
/// <summary>
///
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
private void CreateLineConfig(LineChartConfig cfg, object datasource)
{
// tbl 表格样式
// ----------------------------------------------------------
// DT | st1 | st2 | st3 | st4 | ...
// ----------------------------------------------------------
// 2011-1-1 12:00:00 | 12 | 23 | 17 | 5 | ...
// 2011-1-1 12:00:00 | 12 | 23 | 17 | 5 | ...
// 2011-1-1 12:00:00 | 12 | 23 | 17 | 5 | ...
// ...
//
// st - 站名称
//
DataTable tbl = datasource as DataTable;
ColorProvider cp = new ColorProvider();
// create line data configs
// 生成除第一列(时间列)意外的所有列的曲线配置
//
for (int i = 1; i < tbl.Columns.Count; i++)
{
DataColumn col = tbl.Columns[i];
string name = col.ColumnName;
LineDataConfig ldcfg = new LineDataConfig(name, name, cp.GetNextColorString());
cfg.LineDataConfigCollection.Add(ldcfg);
}
}
/// <summary>
///
/// </summary>
public void Bind()
{
ChartSession cs = SessionManager.ChartSession;
DataTable[] tbls = cs.DataSource as DataTable[];
int no = 0;
foreach (DataTable tbl in tbls)
{
LineChartConfig cfg = new LineChartConfig(
tbl.TableName,
"时间",
"水位....",
"DT");
LineDataConfig item = new LineDataConfig(
tbl.TableName, "wl1", new ColorProvider().GetNextColorString());
cfg.LineDataConfigCollection.Add(item);
ChartSessionManager manager = SessionManager.ChartSessionManager;
ChartSession itemcs = manager.GetChartSession(no);
itemcs.ChartConfig = cfg;
itemcs.DataSource = tbl;
UCChart uc = GetUCChartByNO(no);
uc.Bind(GetChartDataPageName(no));
uc.Show();
//this.Controls.Add(uc);
no++;
}
}
/// <summary>
///
/// </summary>
/// <param name="dataSource"></param>
/// <param name="lcCfg"></param>
public void SetLineChartInfo(object dataSource, string filterColumn, string dateTimeColumn, string dataColumn,
string title, string yTitle)
{
//string chartTitle = "2001-1-1 12:00:00 ~ 2001-1-1 12:00:00 一干渠 水位曲线";
//this.LineChart1.Series.Clear();
////this.LineChart1.Graphs.Clear();
//if (LineChart1.Graphs.Count > 0)
//{
// this.LineChart1.Graphs[0].Items.Clear();
//}
this.LineChart1.Labels.Clear();
//this.LineChart1 = new LineChart();
//this.LineChart1 = new LineChart();
ChartLabel titleLabel = new ChartLabel(title, 60, 20, false, 600, LabelAlignments.Center,
System.Drawing.Color.Black, 18);
this.LineChart1.Labels.Add(titleLabel);
ChartLabel yLabel = new ChartLabel(yTitle, 5, 150, true, 20, LabelAlignments.Center,
System.Drawing.Color.Black, 12);
this.LineChart1.Labels.Add(yLabel);
DataTable source = dataSource as DataTable;
DataTable convertedTable = DataTableConverter.ConvertRowToColumn(source, filterColumn,
dataColumn, dateTimeColumn);
LineChartConfig lccfg = new LineChartConfig();
lccfg.DataSeriesIDField = dateTimeColumn;
lccfg.YLeftValueMin = 0;
foreach (DataColumn col in convertedTable.Columns)
{
if (!StringHelper.Equal(col.ColumnName, dateTimeColumn))
{
LineGraphItemConfig item = new LineGraphItemConfig();
item.DataValueField = col.ColumnName;
item.Title = col.ColumnName;
item.Color = GetLineColor(col.ColumnName);
lccfg.LineGraphItemConfigCollection.Add(item);
}
}
//Sort(lccfg.LineGraphItemConfigCollection);
lccfg.LineGraphItemConfigCollection.Sort(this.StationOrderList);
convertedTable.DefaultView.Sort = dateTimeColumn;
LineGraphSetter.Set(this.LineChart1, lccfg, convertedTable.DefaultView,
FormatStringManager.FloatValueFormatString);
this.ColumnChart1.Visible = false;
this.LineChart1.Visible = true;
}
protected void Page_Load(object sender, EventArgs e)
{
int i = 2 - 1;
ChartSession cs = SessionManager.ChartSessionManager.GetChartSession(i);
LineChartConfig cfg = cs.ChartConfig as LineChartConfig;
ChartFactory f = new ChartFactory();
OpenFlashChart.OpenFlashChart chart = f.Create(cs.DataSource as DataTable, cfg);
Response.Write(chart.ToString());
}
public void DesiredUseCase()
{
LineChartConfig config = new LineChartConfig();
// Must use reference types to take advantage of type variance in C#
LineChartDataset <string> intDataset = new LineChartDataset <string>();
// Using the non-interface method to add the range, you can still mutate the object
intDataset.AddRange(new[] { "1", "2", "3", "4", "5" });
// Your original code works fine when reference types are used
config.ChartData.Datasets.Add(intDataset);
}
protected override async Task OnInitAsync()
{
AppMetrics = await Http.GetJsonAsync <AppMetric[]>($"api/Metrics/{App.AppId}/{StartDay}/{EndDay}");
AppMetrics = AppMetrics.Reverse().ToArray();
var labels = AppMetrics.Select(x => DateTimeOffset.FromUnixTimeSeconds(x.EpochTime).LocalDateTime.ToString("MM/dd")).ToList();
var points = AppMetrics.Select(x => x.OperationCount).OfType <object>().ToList();
lineChartConfig = CardChartData.GetLineConfig("Operations by day", App.AppId, labels, points);
lineChartJs = new ChartJsLineChart();
}
protected override async Task OnInitAsync()
{
ChartConfig = new LineChartConfig();
var chartData = await Client.GetAsync("/api/prices/ChartData");
ChartConfig = chartData.IsSuccessStatusCode
? await BuildChartConfig(chartData)
: new LineChartConfig();
// LineChartJs.Reload();
}
/// <summary>
///
/// </summary>
/// <param name="dataSource"></param>
/// <param name="lcCfg"></param>
public void SetDayLineChartInfo(object dataSource, string filterColumn, string dateTimeColumn, string dataColumn,
string title, string yTitle)
{
this.LineChart1.Labels.Clear();
ChartLabel titleLabel = new ChartLabel(title, 60, 20, false, 600, LabelAlignments.Center,
System.Drawing.Color.Black, 18);
this.LineChart1.Labels.Add(titleLabel);
ChartLabel yLabel = new ChartLabel(yTitle, 5, 150, true, 20, LabelAlignments.Center,
System.Drawing.Color.Black, 12);
this.LineChart1.Labels.Add(yLabel);
DataTable source = dataSource as DataTable;
DataTable convertedTable = DataTableConverter.ConvertRowToColumn(source, filterColumn,
dataColumn, dateTimeColumn);
LineChartConfig lccfg = new LineChartConfig();
lccfg.DataSeriesIDField = dateTimeColumn;
lccfg.YLeftValueMin = 0;
foreach (DataColumn col in convertedTable.Columns)
{
if (!StringHelper.Equal(col.ColumnName, dateTimeColumn))
{
LineGraphItemConfig item = new LineGraphItemConfig();
item.DataValueField = col.ColumnName;
item.Title = col.ColumnName;
item.Color = GetLineColor(col.ColumnName);
lccfg.LineGraphItemConfigCollection.Add(item);
}
}
convertedTable.DefaultView.Sort = dateTimeColumn;
//LineGraphSetter.Set(this.LineChart1, lccfg, convertedTable.DefaultView);
DataTable xAxisDataSource = GetDayXAxisDataSource(convertedTable, dateTimeColumn);
xAxisDataSource.DefaultView.Sort = dateTimeColumn;
LineGraphSetter.Set(this.LineChart1, lccfg, convertedTable.DefaultView,
xAxisDataSource.DefaultView, FormatStringManager.FloatValueFormatString);
this.ColumnChart1.Visible = false;
this.LineChart1.Visible = true;
}
/// <summary>
///
/// </summary>
private void f2(DataTable tbl)
{
LineChartConfig cfg = new LineChartConfig(
"use line chart config",
"x title(X轴承)",
"Y title(Y轴承)",
"DT");
//cfg.XSegmentCount
LineDataConfig ldc = new LineDataConfig("line1", "wl1","#00ff00");
LineDataConfig ldc2 = new LineDataConfig("line2", "wl2", "#0000ff");
//ldc2.Name = "line2";
//ldc2.DataFieldName = "wl2";
cfg.LineDataConfigCollection.Add(ldc);
cfg.LineDataConfigCollection.Add(ldc2);
OpenFlashChart.OpenFlashChart chart = new ChartFactory().Create(tbl, cfg);
Response.Write(chart.ToString());
}
/// <summary>
///
/// </summary>
private void f2(DataTable tbl)
{
LineChartConfig cfg = new LineChartConfig(
"use line chart config",
"x title(X轴承)",
"Y title(Y轴承)",
"DT");
//cfg.XSegmentCount
LineDataConfig ldc = new LineDataConfig("line1", "wl1", "#00ff00");
LineDataConfig ldc2 = new LineDataConfig("line2", "wl2", "#0000ff");
//ldc2.Name = "line2";
//ldc2.DataFieldName = "wl2";
cfg.LineDataConfigCollection.Add(ldc);
cfg.LineDataConfigCollection.Add(ldc2);
OpenFlashChart.OpenFlashChart chart = new ChartFactory().Create(tbl, cfg);
Response.Write(chart.ToString());
}
public static Task <bool> UpdateLineChart(LineChartConfig lineChart)
{
return(JSRuntime.Current.InvokeAsync <bool>("ChartJSInterop.UpdateChart", lineChart));
}
public static Task <bool> InitializeLineChart(LineChartConfig lineChartConfig)
{
return(JSRuntime.Current.InvokeAsync <bool>("ChartJSInterop.InitializeChart", lineChartConfig));
}
public static Task <bool> ReloadLineChart(LineChartConfig lineChartConfig)
{
return(JSRuntime.Current.InvokeAsync <bool>("ChartJSInterop.ReloadChart", lineChartConfig));
}
private async Task <LineChartConfig> BuildChartConfig(HttpResponseMessage responseMessage)
{
var contentString = await responseMessage.Content.ReadAsStringAsync();
var chartData = Json.Deserialize <ChartData>(contentString);
var buildChartConfig = new LineChartConfig
{
CanvasId = "myFirstLineChart",
Options = new LineChartOptions
{
Text = "Item Prices",
Display = true,
Responsive = true,
Title = new OptionsTitle {
Display = true, Text = "Item Prices"
},
Legend = new Legend
{
Position = LegendPosition.TOP.ToString(),
Labels = new Labels
{
UsePointStyle = true,
}
},
Hover = new LineChartOptionsHover()
{
Intersect = true,
Mode = Mode.nearest
},
Tooltips = new Tooltips
{
Mode = Mode.nearest,
Intersect = true
},
},
Data = new LineChartData
{
Labels = chartData.Labels,
Datasets = new List <LineChartDataset>()
}
};
foreach (var dataSet in chartData.DataSets)
{
var chartDataSet = new LineChartDataset
{
Label = dataSet.Label,
BackgroundColor = GetRandomColor(),
BorderColor = GetRandomColor(),
BorderWidth = 2,
PointRadius = 3,
PointBorderWidth = 1,
Data = new List <object>()
};
foreach (var datum in dataSet.Data)
{
chartDataSet.Data.Add(datum);
}
buildChartConfig.Data.Datasets.Add(chartDataSet);
}
return(buildChartConfig);
}