private void CreateChart(Generator generator)
{
MyChart.Series.Clear();
//Adding Legends for the chart
var legend = new ChartLegend();
MyChart.Legend = legend;
//Initializing column series
var series = new ColumnSeries
{
ItemsSource = generator.GetResult(),
XBindingPath = "Range",
YBindingPath = "InnerNumbers",
ShowTooltip = true,
Label = "InnerNumbers"
};
series.Label = "Range";
//Setting adornment to the chart series
series.AdornmentsInfo = new ChartAdornmentInfo()
{
ShowLabel = true
};
//Adding Series to the Chart Series Collection
MyChart.Series.Add(series);
}
public void ChartLegend()
{
//ExStart
//ExFor:Charts.Chart.Legend
//ExFor:Charts.ChartLegend
//ExFor:Charts.ChartLegend.Overlay
//ExFor:Charts.ChartLegend.Position
//ExFor:Charts.LegendPosition
//ExSummary:Shows how to edit the appearance of a chart's legend.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
// Insert a line graph
Shape chartShape = builder.InsertChart(ChartType.Line, 450, 300);
Chart chart = chartShape.Chart;
// Get its legend
ChartLegend legend = chart.Legend;
// By default, other elements of a chart will not overlap with its legend
Assert.False(legend.Overlay);
// We can move its position by setting this attribute
legend.Position = LegendPosition.TopRight;
doc.Save(ArtifactsDir + "Charts.ChartLegend.docx");
//ExEnd
}
public static void ApplyChartStyles(ChartControl chart)
{
#region ApplyCustomPalette
chart.Skins = Skins.Metro;
#endregion
#region chart appearance customization
chart.ShowLegend = false;
chart.BorderAppearance.SkinStyle = Syncfusion.Windows.Forms.Chart.ChartBorderSkinStyle.None;
chart.BorderAppearance.FrameThickness = new ChartThickness(-2, -2, 2, 2);
chart.PrimaryXAxis.DrawGrid = false;
#endregion
#region Chart axes customization
chart.PrimaryXAxis.TickSize = new System.Drawing.Size(1, 5);
chart.PrimaryYAxis.TickSize = new System.Drawing.Size(5, 1);
chart.LegendsPlacement = ChartPlacement.Outside;
#endregion
#region Legend Customization
//Adds Custom legend to chart control
ChartLegend legend1 = new ChartLegend(chart);
legend1.Name = "legend1";
legend1.RepresentationType = ChartLegendRepresentationType.None;
legend1.Position = ChartDock.Bottom;
legend1.Alignment = ChartAlignment.Center;
ChartLegendItem[] customItems = new ChartLegendItem[0];
ChartLegendItemsCollection clic = new ChartLegendItemsCollection();
ChartLegendItem cli1 = new ChartLegendItem("Press Esc to Cancel Zooming");
clic.Add(cli1);
legend1.CustomItems = clic.ToArray();
chart.Legends.Add(legend1);
#endregion
}
/// <summary>
/// 初始化报表
/// </summary>
void InitChart()
{
// 数据源下拉列表初始化
((CList)_fv["tbl"]).Data = _item.Root.Data.DataSet;
_chart.BeginUpdate();
Enum.TryParse <ChartType>(_item.Data.Str("type"), out var tp);
Enum.TryParse <Orientation>(_item.Data.Str("legorientation"), out var ori);
Enum.TryParse <LegendPosition>(_item.Data.Str("legpos"), out var pos);
_chart.ChartType = tp;
ChgFldByType(tp);
_chart.Data = GetData(tp);
_chart.Header = _item.Data.Str("title");
for (int i = 0; i < _chart.Children.Count; i++)
{
if (_chart.Children[i] is ChartLegend)
{
// 加载初始数据值，改变legend表现样式。
ChartLegend legend = _chart.Children[i] as ChartLegend;
legend.Visibility = _item.Data.Bool("showlegend") ? Visibility.Visible : Visibility.Collapsed;
legend.Title = _item.Data.Str("legtitle");
legend.Position = pos;
legend.Orientation = ori;
}
}
_chart.View.AxisX.Title = _item.Data.Str("titlex");
_chart.View.AxisY.Title = _item.Data.Str("titley");
_chart.EndUpdate();
}
public MainWindow()
{
InitializeComponent();
series1.ItemsSource = viewModel.Data;
series2.ItemsSource = viewModel.Data;
series1.ColorModel = new ChartColorModel();
ChartLegend legend = new ChartLegend();
toggleIndexes = new List <int>();
var data = viewModel.Data;
for (int i = 0; i < data.Count; i++)
{
legend.Items.Add(new LegendItem()
{
Item = data[i],
Series = series1,
IconHeight = 10,
IconWidth = 10,
IconVisibility = Visibility.Visible,
Interior = series1.ColorModel.GetBrush(i),
CheckBoxVisibility = Visibility.Visible
});
}
legend.ItemTemplate = grid.Resources["itemTemplate"] as DataTemplate;
chart.Legend = legend;
}
//生成文章来源饼图
public string CreateSumPie(string key, DataTable dt)
{
ChartTitle title = new ChartTitle()
{
text = key, subtext = "平台对比"
};
ChartOption option = new PieChartOption(title, "");
ChartLegend legend = new ChartLegend();
legend.data = "新闻,微博,微信".Split(',');
ChartData[] data_mod = new ChartData[legend.data.Length];
for (int i = 0; i < legend.data.Length; i++)
{
data_mod[i] = new ChartData()
{
name = legend.data[i], value = dt.Select("Source='" + legend.data[i] + "'").Length
};
}
List <ChartSeries> seriesList = new List <ChartSeries>()
{
new ChartSeries()
{
name = "平台对比", data_mod = data_mod
}
};
((PieChartOption)option).AddData(legend, seriesList, "");
return(option.ToString());
}
/// <summary>
/// The GetLegend
/// </summary>
/// <param name="chart">The chart<see cref="ChartControl"/></param>
/// <returns>The <see cref="ChartLegend"/></returns>
internal ChartLegend GetLegend(ChartControl chart)
{
try
{
if (Chart.Legends != null)
{
Chart.Legends.Clear();
}
ChartLegend legend = new ChartLegend(Chart);
foreach (string axislabel in Chart.PrimaryXAxis.Labels)
{
ChartLegendItem item = new ChartLegendItem(axislabel);
}
legend.VisibleCheckBox = true;
Chart.Legends.Add(legend);
return(legend);
}
catch (Exception e)
{
new Error(e).ShowDialog();
return(null);
}
}
/// <summary>
/// Sets up the Legend style.
/// </summary>
/// <param name="chartXy"></param>
private void SetupChartLegend(ChartXy chartXy)
{
ChartLegend legend = chartXy.Legend;
legend.ShowCheckBoxes = true;
legend.Placement = Placement.Inside;
legend.Alignment = Alignment.TopRight;
legend.Direction = Direction.LeftToRight;
// Align vertical items, and permit the legend to only use
// up to 50% of the available chart width;
legend.AlignVerticalItems = true;
legend.MaxHorizontalPct = 50;
ChartLegendVisualStyle lstyle = legend.ChartLegendVisualStyles.Default;
lstyle.BorderThickness = new Thickness(0);
lstyle.BorderColor = new BorderColor(Color.White);
lstyle.Margin = new DevComponents.DotNetBar.Charts.Style.Padding(8);
lstyle.Padding = new DevComponents.DotNetBar.Charts.Style.Padding(4);
//lstyle.Background = new Background(Color.FromArgb(200, Color.White));
}
/// <summary>
/// Initializes the ChartControl's data and sets the Chart type
/// </summary>
protected void InitializeChartData()
{
ChartSeries series1 = new ChartSeries();
series1.Name = "Year 2004";
series1.Text = series1.Name;
series1.Points.Add(0, 10);
series1.Points.Add(1, 8);
series1.Points.Add(2, 24);
series1.Points.Add(3, 24);
series1.Points.Add(4, 10);
series1.Points.Add(5, 24);
SeriesSettings(series1);
this.chartControl1.Series.Add(series1);
series1.ConfigItems.PieItem.ShowSeriesTitle = true;
series1.ConfigItems.PieItem.LabelStyle = ChartAccumulationLabelStyle.Inside;
ChartSeries series2 = new ChartSeries();
series2.Name = "Year 2005";
series2.Text = series2.Name;
series2.Points.Add(0, 12);
series2.Points.Add(1, 10);
series2.Points.Add(2, 18);
series2.Points.Add(3, 25);
series2.Points.Add(5, 15);
series2.Points.Add(6, 20);
SeriesSettings(series2);
this.chartControl1.Series.Add(series2);
series2.ConfigItems.PieItem.ShowSeriesTitle = true;
series2.ConfigItems.PieItem.LabelStyle = ChartAccumulationLabelStyle.Inside;
this.chartControl1.ChartArea.DivideArea = true;
ChartLegend chartLegend = new ChartLegend();
chartLegend.Name = "Legend 1";
string[] label = new string[] { "Engineering", "Medical Sciences", "BioTechnology", "Information Services", "Art and Humanities", "Geography" };
List <ChartLegendItem> items = new List <ChartLegendItem>();
for (int i = 0; i < 6; i++)
{
ChartLegendItem legendItem = new ChartLegendItem(label[i]);
legendItem.Font = new Font("Segoe UI", 10F);
legendItem.RepresentationSize = new Size(15, 15);
legendItem.TextColor = Color.Black;
legendItem.Border.Color = Color.Transparent;
items.Add(legendItem);
}
chartControl1.Legend.RepresentationType = ChartLegendRepresentationType.SeriesType;
chartControl1.Legend.CustomItems = items.ToArray();
chartControl1.Legend.RowsCount = 2;
this.chartControl1.LegendAlignment = ChartAlignment.Center;
this.chartControl1.LegendPosition = ChartDock.Bottom;
this.chartControl1.LegendsPlacement = ChartPlacement.Outside;
this.chartControl1.LegendsPlacement = ChartPlacement.Outside;
this.chartControl1.ShowLegend = true;
this.chartControl1.SmoothingMode = SmoothingMode.AntiAlias;
}
/// <summary>
/// 柱状图数据处理
/// </summary>
/// <param name="charttitle">标题</param>
/// <param name="chartAxisData">坐标轴数据</param>
/// <param name="seriesData">图表数据</param>
/// <param name="lengendData">图例数据</param>
/// <param name="chartGrid">直角坐标系内绘图网格</param>
/// <param name="isShowlengend">是否开启图例</param>
/// <param name="chatsubtitle">副标题文本，默认值：''，'\n'指定换行</param>
/// <param name="isCalculable">是否启用拖拽重计算特性，默认关闭</param>
/// <param name="chartYAxisName">Y轴名称</param>
/// <returns>图表所有数据</returns>
public static string ChartBarDataProcess(string charttitle, List <object> chartAxisData, IEnumerable <ChartRightangleSeries> seriesData, List <string> lengendData, ChartGrid chartGrid, bool isShowlengend = false, string chatsubtitle = null, bool isCalculable = false, string chartYAxisName = null)
{
//标题
var chartTitle = new ChartTitle()
{
text = charttitle,
subtext = chatsubtitle
};
//提示框
var chartTooltip = new ChartTooltip()
{
trigger = "axis"
};
//图例
var chartLegend = new ChartLegend()
{
show = isShowlengend, data = lengendData
};
//X坐标轴
var chartXAxis = new List <ChartAxis>()
{
new ChartAxis
{
type = "category",
data = chartAxisData
}
};
//Y坐标轴
var chartYAxis = new List <ChartAxis>()
{
new ChartAxis()
{
type = "value",
name = chartYAxisName
}
};
//数据
var chartRightangleSeries = new List <ChartRightangleSeries>();
chartRightangleSeries.AddRange(seriesData);
var seriesDatas = chartRightangleSeries.Count > 0 ? chartRightangleSeries : (object)"-";
var jsondata = new
{
title = chartTitle,
tooltip = chartTooltip,
calculable = isCalculable,
legend = chartLegend,
grid = chartGrid,
xAxis = chartXAxis,
yAxis = chartYAxis,
series = seriesDatas
};
return(jsondata.ToJson());
}
private void DisplayOrphanStats()
{
SfChart chart = new SfChart()
{
Header = "Orphan Statistics", FontSize = 18, Height = 300, Width = 500
};
OrphanStatistics OrphanStats = new OrphanStatistics();
//GuardianStatistics GuardianStats = new GuardianStatistics();
//NarrationStatistics NarrationStats = new NarrationStatistics();
OrphanStats = OrphanDataService.GetOrphanStatistics();
TotalOrphanCount = OrphanStats.TotalCount;
ActiveSeries = new List <ActivePieModel>()
{
new ActivePieModel {
Category = "Active", Value = OrphanStats.ActiveCount
},
new ActivePieModel {
Category = "Inactive", Value = OrphanStats.InactiveCount
},
new ActivePieModel {
Category = "Unspecified", Value = OrphanStats.UnknownCount
},
//new ActivePieModel { Category = "Total", Value = OrphanStats.TotalCount}
};
//Adding Legends for the chart
ChartLegend legend = new ChartLegend();
chart.Legend = legend;
PieSeries series = new PieSeries()
{
ItemsSource = ActiveSeries,
XBindingPath = "Category",
YBindingPath = "Value",
ShowTooltip = true,
Label = "Values",
AdornmentsInfo = new ChartAdornmentInfo()
{
ShowLabel = true
},
};
chart.Series.Add(series);
stackOrphanStats.Children.Add(chart);
TextBlock txtTotal = new TextBlock();
txtTotal.FontSize = 14;
txtTotal.HorizontalAlignment = Windows.UI.Xaml.HorizontalAlignment.Center;
txtTotal.Text = "Total Orphan Count: " + TotalOrphanCount.ToString();
stackOrphanStats.Children.Add(txtTotal);
}
/// <summary>
/// 时间轴线性图数据处理
/// </summary>
/// <param name="charttitle">标题</param>
/// <param name="fm">y轴数据自定义单位，如“元”，“年”</param>
/// <param name="chartAxisData">坐标轴数据</param>
/// <param name="seriesData">图表数据</param>
/// <param name="lengendData">图例数据</param>
/// <param name="isShowlengend">是否开启图例</param>
/// <param name="chatsubtitle">副标题文本，默认值：""，"\n"指定换行</param>
/// <param name="isCalculable">是否启用拖拽重计算特性，默认关闭</param>
/// <param name="chartYAxisName">Y轴名称</param>
/// <param name="chartTimeline">时间轴</param>
/// <returns>图表所有数据</returns>
public static string TimeLineChartLineDataProcess(string charttitle, string fm, List <object> chartAxisData, IEnumerable <ChartRightangleSeries> seriesData, List <string> lengendData, bool isShowlengend = false, string chatsubtitle = null, bool isCalculable = false, string chartYAxisName = null, ChartTimeline chartTimeline = null)
{
//标题
var chartTitle = new ChartTitle()
{
text = charttitle,
subtext = chatsubtitle
};
//提示框
var chartTooltip = new ChartTooltip()
{
trigger = "axis"
};
//图例
var chartLegend = new ChartLegend()
{
show = isShowlengend, data = lengendData
};
//X坐标轴
var chartXAxis = new List <ChartAxis>()
{
new ChartAxis
{
type = "category",
boundaryGap = false,
data = chartAxisData
}
};
//Y坐标轴
var chartYAxis = new List <ChartAxis>()
{
new ChartAxis()
{
type = "value",
name = chartYAxisName
}
};
//数据
var chartRightangleSeries = new List <ChartRightangleSeries>();
chartRightangleSeries.AddRange(seriesData);
var seriesDatas = chartRightangleSeries.Count > 0 ? chartRightangleSeries : (object)"-";
//时间点
var chartOptions = new List <object> {
new { chartTitle, chartTooltip, chartXAxis, chartYAxis, series = seriesDatas }
};
var jsondata = new
{
timeline = chartTimeline,//时间轴设置
options = chartOptions
};
return(jsondata.ToJson());
}
public void AddChartLegend(PPT.Chart chart, ChartLegend chartLegend)
{
chart.HasLegend = true;
chart.Legend.Font.Italic = chartLegend.italic;
chart.Legend.Font.Bold = chartLegend.bold;
chart.Legend.Font.Underline = chartLegend.underline;
chart.Legend.Font.Size = chartLegend.fontSize;
chart.Refresh();
}
protected override void When()
{
ChartLegend chartLegend = new ChartLegend()
{
bold = true,
italic = true,
fontSize = 14,
underline = true
};
this.SUT.AddChartLegend(returnedChart, chartLegend);
}
public string BarChartBind(DataTable dt, string type)
{
//初始化图表
BarChartOption option = new BarChartOption(new ChartTitle()
{
text = "推广统计", subtext = "按月统计"
}, "", type);
ChartLegend legend = new ChartLegend();
List <ChartSeries> dataList = new List <ChartSeries>();
//默认按用户统计
List <string> years = new List <string>();//不存数据,只存年
foreach (DataRow dr in dt.DefaultView.ToTable(true, "Year").Rows)
{
years.Add(dr["Year"].ToString());
}
foreach (string year in years)
{
List <int> months = new List <int>();//存12个月的数据,不足以0补齐
for (int i = 1; i <= 12; i++)
{
DataRow[] drs = dt.Select("Year=" + year + " AND Month=" + i);
if (drs.Length > 0)
{
months.Add(Convert.ToInt32(drs[0]["PCount"]));
}
else
{
months.Add(0);
}
}
dataList.Add(new ChartSeries()
{
type = type,
name = year,
data_int = months.ToArray()
});
}
/*数据完成,填充图表*/
legend.data = years.ToArray();
option.yAxis = new YAxis()
{
data = years.ToArray()
};
//与数据无须name对应,y轴需要name对应
((BarChartOption)option).AddData("1月,2月,3月,4月,5月,6月,7月,8月,9月,10月,11月,12月".Split(','), dataList, type);
option.legend = legend;
return(option.ToString());
}
private void InitializeControlSettings()
{
ChartLegend legend1 = new ChartLegend(chartControl1);
legend1.Name = "legend1";
legend1.ColumnsCount = 1;
legend1.RowsCount = 1;
legend1.RepresentationType = ChartLegendRepresentationType.None;
legend1.ShowSymbol = false;
legend1.Position = ChartDock.Bottom;
legend1.Alignment = ChartAlignment.Center;
ChartLegendItem[] customItems = new ChartLegendItem[0];
ChartLegendItemsCollection clic = new ChartLegendItemsCollection();
ChartLegendItem cli1 = new ChartLegendItem("That follows a series point");
cli1.Type = ChartLegendItemType.Circle;
cli1.Border.Color = Color.Transparent;
cli1.RepresentationSize = new Size(8, 8);
cli1.Interior = new BrushInfo(Color.FromArgb(0Xc1, 0X39, 0x2b));
clic.Add(cli1);
ChartLegendItem cli2 = new ChartLegendItem("That uses chart coordinates");
cli2.Type = ChartLegendItemType.InvertedTriangle;
cli2.RepresentationSize = new Size(8, 8);
cli2.Interior = new BrushInfo(Color.FromArgb(0Xfc, 0Xec, 0X29));
clic.Add(cli2);
ChartLegendItem cli3 = new ChartLegendItem("That follows a percent type");
cli3.Type = ChartLegendItemType.Pentagon;
cli3.RepresentationSize = new Size(8, 8);
cli3.Interior = new BrushInfo(Color.FromArgb(0X00, 0X66, 0Xcc));
clic.Add(cli3);
ChartLegendItem cli4 = new ChartLegendItem("That follows a pixel type");
cli4.Type = ChartLegendItemType.Triangle;
cli4.RepresentationSize = new Size(8, 8);
cli4.Interior = new BrushInfo(Color.FromArgb(0X00, 0Xce, 0X45));
clic.Add(cli4);
legend1.CustomItems = clic.ToArray();
chartControl1.Legends.Add(legend1);
chartControl1.ShowToolTips = true;
}
public MainPage()
{
this.InitializeComponent();
SfChart chart = new SfChart()
{
Header = "Chart", Height = 300, Width = 500
};
//Adding horizontal axis to the chart
CategoryAxis primaryAxis = new CategoryAxis();
primaryAxis.Header = "Name";
primaryAxis.FontSize = 14;
chart.PrimaryAxis = primaryAxis;
//Adding vertical axis to the chart
NumericalAxis secondaryAxis = new NumericalAxis();
secondaryAxis.Header = "Height(in cm)";
secondaryAxis.FontSize = 14;
chart.SecondaryAxis = secondaryAxis;
//Adding Legends for the chart
ChartLegend legend = new ChartLegend();
chart.Legend = legend;
//Initializing column series
ColumnSeries series = new ColumnSeries();
series.ItemsSource = (new ViewModel()).Data;
series.XBindingPath = "Name";
series.YBindingPath = "Height";
series.ShowTooltip = true;
series.Label = "Heights";
//Setting adornment to the chart series
series.AdornmentsInfo = new ChartAdornmentInfo()
{
ShowLabel = true
};
//Adding Series to the Chart Series Collection
chart.Series.Add(series);
this.Content = chart;
}
//根据文章发布时间产生扩散速度图
public string CreatePie(string key, DataTable dt)
{
ChartTitle title = new ChartTitle()
{
text = key, subtext = "扩散速度"
};
ChartOption option = new PieChartOption(title, "");
ChartLegend legend = new ChartLegend();
legend.data = "24小时内,72小时内,一周内,30天内,30天外".Split(',');
ChartData[] data_mod = new ChartData[5];
DateTime time_24 = DateTime.Now.AddHours(-24), time_72 = DateTime.Now.AddHours(-72), time_d7 = DateTime.Now.AddDays(-7), time_d30 = DateTime.Now.AddMonths(-1);
string sql = "CDate>=#{0}# AND CDate<=#{1}#";
data_mod[0] = (new ChartData()
{
name = legend.data[0], value = dt.Select("CDate>=#" + time_24 + "#").Length
});
data_mod[1] = (new ChartData()
{
name = legend.data[1], value = dt.Select(string.Format(sql, time_72, time_24)).Length
});
data_mod[2] = (new ChartData()
{
name = legend.data[2], value = dt.Select(string.Format(sql, time_d7, time_72)).Length
});
data_mod[3] = (new ChartData()
{
name = legend.data[3], value = dt.Select(string.Format(sql, time_d30, time_d7)).Length
});
data_mod[4] = (new ChartData()
{
name = legend.data[4], value = dt.Select("CDate<=#" + time_d30 + "#").Length
});
List <ChartSeries> seriesList = new List <ChartSeries>()
{
new ChartSeries()
{
name = "扩散速度",
data_mod = data_mod
}
};
((PieChartOption)option).AddData(legend, seriesList, "empy");
return(option.ToString());
}
public CoreSize LoadLegend()
{
if (ChartLegend == null || LegendLocation == LegendLocation.None)
{
return(new CoreSize());
}
if (ChartLegend.Parent == null)
{
Canvas.Children.Add(ChartLegend);
}
var l = new List <SeriesViewModel>();
for (var i = 0; i < Series.Count; i++)
{
var item = new SeriesViewModel();
var series = (Series.Series)Series[i];
item.Title = series.Title;
item.StrokeThickness = series.StrokeThickness;
item.Stroke = series.Stroke ?? new SolidColorBrush(GetDefaultColor(i));
item.Fill = series.Fill ?? new SolidColorBrush(GetDefaultColor(i))
{
Opacity = series.DefaultFillOpacity
};
l.Add(item);
}
ChartLegend.Series = l;
ChartLegend.InternalOrientation = LegendLocation == LegendLocation.Bottom ||
LegendLocation == LegendLocation.Top
? Orientation.Horizontal
: Orientation.Vertical;
ChartLegend.UpdateLayout();
ChartLegend.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
return(new CoreSize(ChartLegend.DesiredSize.Width,
ChartLegend.DesiredSize.Height));
}
/// <summary>
/// Sets up the Legend style.
/// </summary>
/// <param name="chartXy"></param>
private void SetupChartLegend(ChartXy chartXy)
{
ChartLegend legend = chartXy.Legend;
legend.Placement = Placement.Outside;
legend.Alignment = Alignment.TopCenter;
legend.AlignVerticalItems = true;
legend.Direction = Direction.LeftToRight;
ChartLegendVisualStyle lstyle = legend.ChartLegendVisualStyles.Default;
lstyle.BorderThickness = new Thickness(1);
lstyle.BorderColor = new BorderColor(Color.Crimson);
lstyle.Margin = new DevComponents.DotNetBar.Charts.Style.Padding(8);
lstyle.Padding = new DevComponents.DotNetBar.Charts.Style.Padding(4);
lstyle.Background = new Background(Color.FromArgb(200, Color.White));
}
public CoreSize LoadLegend()
{
if (ChartLegend == null || LegendLocation == LegendLocation.None)
{
return(new CoreSize());
}
if (ChartLegend.Parent == null)
{
Canvas.Children.Add(ChartLegend);
}
var l = new List <SeriesViewModel>();
foreach (var t in Series)
{
var item = new SeriesViewModel();
var series = (Series.Series)t;
item.Title = series.Title;
item.StrokeThickness = series.StrokeThickness;
item.Stroke = series.Stroke;
item.Fill = series.Fill;
item.Geometry = series.PointGeometry ?? Geometry.Parse("M 0,0.5 h 1,0.5 Z");
l.Add(item);
}
ChartLegend.Series = l;
ChartLegend.InternalOrientation = LegendLocation == LegendLocation.Bottom ||
LegendLocation == LegendLocation.Top
? Orientation.Horizontal
: Orientation.Vertical;
ChartLegend.UpdateLayout();
ChartLegend.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
return(new CoreSize(ChartLegend.DesiredSize.Width,
ChartLegend.DesiredSize.Height));
}
/// <summary>
/// 饼状图数据处理
/// </summary>
/// <param name="lengendData">图例数据</param>
/// <param name="seriesData">图表数据</param>
/// <param name="isShowlengend">是否开启图例</param>
/// <param name="charttitle">主标题文本，默认值：''，'\n'指定换行</param>
/// <param name="chatsubtitle"> 副标题文本，默认值：''，'\n'指定换行</param>
/// <param name="isCalculable"> 是否启用拖拽重计算特性，默认关闭</param>
/// <returns></returns>
public static string ChartPieDataProcess(IEnumerable <ChartPieSeries> seriesData, List <string> lengendData, bool isShowlengend = false, string charttitle = null, string chatsubtitle = null, bool isCalculable = false)
{
//标题
var chartTitle = new ChartTitle()
{
text = charttitle,
subtext = chatsubtitle,
textStyle = new ChartTextStyle()
{
fontSize = 20, fontWeight = "bolder", color = "#333"
},
x = "center",
y = "center"
};
//提示框
var chartTooltip = new ChartTooltip()
{
trigger = "item", formatter = "{a} <br/>{b} : {d}%"
};
//图例
var chartLegend = new ChartLegend()
{
show = isShowlengend, data = lengendData
};
//数据
var chartPieSeries = new List <ChartPieSeries>();
chartPieSeries.AddRange(seriesData);
var seriesDatas = chartPieSeries.Count > 0 ? chartPieSeries : (object)"-";
var jsondata = new
{
title = chartTitle,
tooltip = chartTooltip,
calculable = isCalculable,
legend = chartLegend,
series = seriesDatas
};
return(jsondata.ToJson());
}
/// <summary>
/// 设置属性
/// </summary>
protected override void SetAttributes()
{
ChartLegend control = this.ControlHost.Content as ChartLegend;
if (control.LegendType == EChartLegendType.Legend)
{
this.HtmlWriter.AddAttribute("dojoType", "Controls/Charting/Legend");
}
else if (control.LegendType == EChartLegendType.SelectableLegend)
{
this.HtmlWriter.AddAttribute("dojoType", "Controls/Charting/SelectableLegend");
}
if (this.ProjectDocument != null && !string.IsNullOrEmpty(control.ChartRef))
{
this.HtmlWriter.AddAttribute("chartRef", this.ProjectDocument.Name + "_" + control.ChartRef);
this.HtmlWriter.AddAttribute("id", this.ProjectDocument.Name + "_" + control.ChartRef + "_" + control.LegendType.ToString().ToLower());
}
base.SetAttributes();
}
private void SfChart_MouseMove(object sender, MouseEventArgs e)
{
var chart = sender as SfChart;
if (isDragable)
{
var position = e.GetPosition(chart);
ChartLegend legend = chart.Legend as ChartLegend;
legend.OffsetX = position.X - (chart.SeriesClipRect.Left + legend.DesiredSize.Width / 2);
legend.OffsetY = position.Y - (chart.SeriesClipRect.Top + legend.DesiredSize.Height / 2);
if ((chart.Legend as ChartLegend).IsMouseOver)
{
if (Mouse.OverrideCursor == null)
{
Mouse.OverrideCursor = Cursors.Hand;
}
}
}
}
async void OnAddChart(object sender, RoutedEventArgs e)
{
Worksheet sheet = _excel.ActiveSheet;
if (sheet.Selections.Count == 0)
{
return;
}
CellRange range = sheet.Selections[0];
Rect rc = sheet.GetRangeLocation(range);
Chart ct = new Chart();
ct.Width = rc.Width;
ct.Height = rc.Height;
ct.ChartType = _chart.ChartType;
ct.Palette = _chart.Palette;
ct.Header = _chart.Header;
ChartLegend legend = _chart.Children[0] as ChartLegend;
if (legend.Visibility == Visibility.Visible)
{
ChartLegend lg = new ChartLegend();
lg.Title = legend.Title;
lg.Position = legend.Position;
lg.Orientation = legend.Orientation;
lg.OverlapChart = legend.OverlapChart;
ct.Children.Add(lg);
}
ct.View.AxisX.Title = _chart.View.AxisX.Title;
ct.View.AxisY.Title = _chart.View.AxisY.Title;
ct.View.Inverted = _chart.View.Inverted;
ct.Data = _data.GetData(ct.ChartType);
RenderTargetBitmap bmp = new RenderTargetBitmap();
await bmp.RenderAsync(_chart);
sheet.AddPicture("pic" + sheet.Pictures.Count.ToString(), bmp, rc.Left, rc.Top, rc.Width, rc.Height);
}
public Pool()
{
this.InitializeComponent();
this.Demands = new ObservableCollection <PieChartData>();
MySqlDataReader reader = DataBaseHandler.GetData("SELECT DISTINCT StockName FROM Pool");
while (reader.Read())
{
Demands.Add(new PieChartData((string)reader["StockName"]));
}
foreach (PieChartData pcd in Demands)
{
pcd.Value = DataBaseHandler.GetCount("SELECT COUNT(*) FROM Pool WHERE StockName = '" + pcd.Name + "'");
}
SfChart chart = new SfChart();
chart.Header = "Stocks In Pool";
CategoryAxis primaryCategoryAxis = new CategoryAxis();
primaryCategoryAxis.Header = "Stocks";
chart.PrimaryAxis = primaryCategoryAxis;
NumericalAxis secondaryNumericalAxis = new NumericalAxis();
secondaryNumericalAxis.Header = "Percentage in Pool";
chart.SecondaryAxis = secondaryNumericalAxis;
PieSeries series1 = new PieSeries();
series1.ItemsSource = this.Demands;
series1.XBindingPath = "Name";
series1.YBindingPath = "Value";
chart.Series.Add(series1);
ChartLegend legend = new ChartLegend();
chart.Legend = legend;
MainThing.Children.Add(chart);
}
/// <summary>
/// Initializes a new instance of the <see cref="ChartLegendBuilder" /> class.
/// </summary>
/// <param name="chartLegend">The chart legend.</param>
public ChartLegendBuilder(ChartLegend chartLegend)
{
legend = chartLegend;
}
protected virtual void LoadLegend(ChartLegend legend)
{
legend.Series = Series.Select(x => new SeriesStandin
{
Fill = x.Fill,
Stroke = x.Stroke,
Title = x.Title
});
legend.Orientation = LegendLocation == LegendLocation.Bottom || LegendLocation == LegendLocation.Top
? Orientation.Horizontal
: Orientation.Vertical;
}
/// <summary>
/// Initializes a new instance of the <see cref="ChartLegendBuilder" /> class.
/// </summary>
/// <param name="chartLegend">The chart legend.</param>
public ChartLegendBuilder(ChartLegend chartLegend)
{
legend = chartLegend;
}
public void InitialiseData()
{
chartControl1.Series.Clear();
Random random = new Random();
ChartSeries series1 = new ChartSeries();
series1.Name = "Year 2006";
series1.Text = series1.Name;
series1.Points.Add(0, 20);
series1.Points.Add(2, 18);
series1.Points.Add(3, 21);
series1.Points.Add(4, 23);
series1.Points.Add(5, 18);
SeriesSettings(series1);
this.chartControl1.Series.Add(series1);
ChartSeries series2 = new ChartSeries();
series2.Name = "Year 2007";
series2.Text = series2.Name;
series2.Points.Add(0, 12);
series2.Points.Add(2, 21);
series2.Points.Add(3, 18);
series2.Points.Add(4, 25);
series2.Points.Add(5, 24);
SeriesSettings(series2);
this.chartControl1.Series.Add(series2);
ChartSeries series3 = new ChartSeries();
series3.Name = "Year 2008";
series3.Text = series3.Name;
series3.Points.Add(0, 18);
series3.Points.Add(2, 12);
series3.Points.Add(3, 18);
series3.Points.Add(4, 21);
series3.Points.Add(5, 31);
SeriesSettings(series3);
this.chartControl1.Series.Add(series3);
//Enable MultiplePies property to enable this feature.
chartControl1.ChartArea.MultiplePies = true;
this.chartControl1.ShowLegend = true;
series1.Type = ChartSeriesType.Pie;
series2.Type = ChartSeriesType.Pie;
series3.Type = ChartSeriesType.Pie;
//Each series must have DoughnutCoEfficient value [except the most inner series example: series1], to get the complete functionality of this feature.
series2.ConfigItems.PieItem.DoughnutCoeficient = 0.7f;
series3.ConfigItems.PieItem.DoughnutCoeficient = 0.8f;
series3.ConfigItems.PieItem.AngleOffset = 130f;
series2.ConfigItems.PieItem.AngleOffset = 130f;
series1.ConfigItems.PieItem.AngleOffset = 130f;
ChartLegend chartLegend = new ChartLegend();
chartLegend.Name = "Legend 1";
string[] label = new string[] { "Engineering-13.33%", "Medical Sciences-16.67%", "BioTechnology-30%", "Information Services-23%", "Economics -27%" };
List <ChartLegendItem> items = new List <ChartLegendItem>();
for (int i = 0; i < 5; i++)
{
ChartLegendItem legendItem = new ChartLegendItem(label[i]);
legendItem.Font = new Font("Segoe UI", 9, FontStyle.Regular);
legendItem.RepresentationSize = new Size(16, 16);
items.Add(legendItem);
}
chartControl1.Legend.RepresentationType = ChartLegendRepresentationType.SeriesType;
chartControl1.Legend.CustomItems = items.ToArray();
chartControl1.Legend.RowsCount = 5;
this.chartControl1.LegendAlignment = ChartAlignment.Center;
this.chartControl1.SmoothingMode = SmoothingMode.AntiAlias;
this.chartControl1.Legend.DrawItemText += new LegendDrawItemTextEventHandler(Legend_DrawItemText);
if (ckBxEnable3D.Checked)
{
this.lblPieHeight.Visible = true;
this.nUpDownPieHeight.Visible = true;
}
else
{
this.lblPieHeight.Visible = false;
this.nUpDownPieHeight.Visible = false;
}
}
public CoreSize LoadLegend()
{
if (ChartLegend == null || LegendLocation == LegendLocation.None)
{
return(new CoreSize());
}
if (ChartLegend.Parent == null)
{
Canvas.Children.Add(ChartLegend);
}
var l = new List <SeriesViewModel>();
foreach (var t in ActualSeries)
{
var item = new SeriesViewModel();
var series = (Series)t;
item.Title = series.Title;
item.StrokeThickness = series.StrokeThickness;
item.Stroke = series.Stroke;
item.Fill = ((Series)t) is IFondeable
? ((IFondeable)t).PointForeround
: ((Series)t).Fill;
item.PointGeometry = series.PointGeometry ?? Geometry.Parse("M 0,0.5 h 1,0.5 Z");
l.Add(item);
}
var iChartLegend = ChartLegend as IChartLegend;
if (iChartLegend == null)
{
throw new LiveChartsException("The current legend is not valid, ensure it implements IChartLegend");
}
iChartLegend.Series = l;
var defaultLegend = ChartLegend as DefaultLegend;
if (defaultLegend != null)
{
defaultLegend.InternalOrientation = LegendLocation == LegendLocation.Bottom ||
LegendLocation == LegendLocation.Top
? Orientation.Horizontal
: Orientation.Vertical;
defaultLegend.MaxWidth = defaultLegend.InternalOrientation == Orientation.Horizontal
? ActualWidth
: double.PositiveInfinity;
defaultLegend.MaxHeight = defaultLegend.InternalOrientation == Orientation.Vertical
? ActualHeight
: double.PositiveInfinity;
}
ChartLegend.UpdateLayout();
ChartLegend.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
return(new CoreSize(ChartLegend.DesiredSize.Width,
ChartLegend.DesiredSize.Height));
}
public GitHubTrendsChart()
{
TotalViewsSeries = new TrendsAreaSeries("Views", nameof(DailyViewsModel.LocalDay), nameof(DailyViewsModel.TotalViews), ColorConstants.DarkestBlue);
TotalViewsSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyViewsList));
TotalUniqueViewsSeries = new TrendsAreaSeries("Unique Views", nameof(DailyViewsModel.LocalDay), nameof(DailyViewsModel.TotalUniqueViews), ColorConstants.MediumBlue);
TotalUniqueViewsSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyViewsList));
TotalClonesSeries = new TrendsAreaSeries("Clones", nameof(DailyClonesModel.LocalDay), nameof(DailyClonesModel.TotalClones), ColorConstants.DarkNavyBlue);
TotalClonesSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyClonesList));
TotalUniqueClonesSeries = new TrendsAreaSeries("Unique Clones", nameof(DailyClonesModel.LocalDay), nameof(DailyClonesModel.TotalUniqueClones), ColorConstants.LightNavyBlue);
TotalUniqueClonesSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyClonesList));
this.SetBinding(IsVisibleProperty, nameof(TrendsViewModel.IsChartVisible));
ChartBehaviors = new ChartBehaviorCollection
{
new ChartZoomPanBehavior(),
new ChartTrackballBehavior()
};
Series = new ChartSeriesCollection
{
TotalViewsSeries,
TotalUniqueViewsSeries,
TotalClonesSeries,
TotalUniqueClonesSeries
};
Legend = new ChartLegend
{
DockPosition = LegendPlacement.Bottom,
ToggleSeriesVisibility = true,
IconWidth = 20,
IconHeight = 20,
LabelStyle = new ChartLegendLabelStyle {
TextColor = ColorConstants.DarkNavyBlue
}
};
var axisLabelStyle = new ChartAxisLabelStyle
{
TextColor = ColorConstants.DarkNavyBlue,
FontSize = 14
};
var axisLineStyle = new ChartLineStyle {
StrokeColor = ColorConstants.LightNavyBlue
};
PrimaryAxis = new DateTimeAxis
{
IntervalType = DateTimeIntervalType.Days,
Interval = 1,
RangePadding = DateTimeRangePadding.Round,
LabelStyle = axisLabelStyle,
AxisLineStyle = axisLineStyle,
MajorTickStyle = new ChartAxisTickStyle {
StrokeColor = Color.Transparent
},
ShowMajorGridLines = false
};
PrimaryAxis.SetBinding(DateTimeAxis.MinimumProperty, nameof(TrendsViewModel.MinDateValue));
PrimaryAxis.SetBinding(DateTimeAxis.MaximumProperty, nameof(TrendsViewModel.MaxDateValue));
SecondaryAxis = new NumericalAxis
{
LabelStyle = axisLabelStyle,
AxisLineStyle = axisLineStyle,
MajorTickStyle = new ChartAxisTickStyle {
StrokeColor = ColorConstants.LightNavyBlue
},
ShowMajorGridLines = false
};
SecondaryAxis.SetBinding(NumericalAxis.MinimumProperty, nameof(TrendsViewModel.DailyViewsClonesMinValue));
SecondaryAxis.SetBinding(NumericalAxis.MaximumProperty, nameof(TrendsViewModel.DailyViewsClonesMaxValue));
BackgroundColor = Color.Transparent;
ChartPadding = new Thickness(0, 5, 0, 0);
Margin = Device.RuntimePlatform is Device.iOS ? new Thickness(0, 5, 0, 15) : new Thickness(0, 5, 0, 0);
}
private void Page_Load(object sender, System.EventArgs e)
{
_questionId =
Information.IsNumeric(Request["QuestionId"]) ? int.Parse(Request["QuestionId"]) : -1;
_filterId =
Information.IsNumeric(Request["FilterId"]) ? int.Parse(Request["FilterId"]) : -1;
_sortOrder =
Request["SortOrder"] == null ? "ans" : Request["SortOrder"];
if (_questionId == -1)
{
Response.End();
}
else if (!NSurveyUser.Identity.IsAdmin &&
!NSurveyUser.Identity.HasAllSurveyAccess)
{
if (!new Question().CheckQuestionUser(_questionId, NSurveyUser.Identity.UserId))
{
Response.End();
}
}
ChartEngine engine = new ChartEngine();
ChartCollection charts = new ChartCollection(engine);
engine.Size = new Size(700, 500);
engine.Charts = charts;
PieChart pie = new PieChart();
//pie.Colors = new Color[]{ Color.Red};
ChartLegend legend = new ChartLegend();
legend.Position = LegendPosition.Right;
legend.Width = 200;
legend.Background.Color = Color.FromArgb(245,249,251);
pie.DataLabels.NumberFormat ="0.00";
pie.Explosion = 6;
pie.Shadow.Visible = true;
pie.Shadow.Color=Color.LightGray;
pie.Shadow.OffsetY = 5;
engine.HasChartLegend = true;
engine.Legend = legend;
engine.GridLines = GridLines.None;
SetQuestionData(engine, pie);
SetMoreProperties(engine);
charts.Add(pie);
// send chart to browser
Bitmap bmp;
System.IO.MemoryStream memStream = new System.IO.MemoryStream();
bmp = engine.GetBitmap();
bmp.Save(memStream, System.Drawing.Imaging.ImageFormat.Png);
memStream.WriteTo(Response.OutputStream);
Response.End();
}
public ChartLegendSerializerTests()
{
legend = new ChartLegend();
}
