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270 lines (252 loc) · 10.4 KB
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using System.Collections.Generic;
namespace ShellUI.Components;
// Default matches the theme's --chart-1..5 palette.
public enum ChartTheme
{
Default,
Colorful,
Monochrome
}
// ApexCharts only accepts JS color strings, so palettes mirror the --chart-N tokens; the chrome is styled in CSS.
public static class ChartVariants
{
public static ApexCharts.ApexChartOptions<TItem> GetOptions<TItem>(ChartTheme theme = ChartTheme.Default, bool showToolbar = false, bool showLegend = true) where TItem : class
{
return new ApexCharts.ApexChartOptions<TItem>
{
Chart = new ApexCharts.Chart
{
Background = "transparent",
FontFamily = "inherit",
Toolbar = new ApexCharts.Toolbar
{
Show = showToolbar
},
Animations = new ApexCharts.Animations
{
Enabled = true,
Speed = 800,
AnimateGradually = new ApexCharts.AnimateGradually
{
Enabled = true,
Delay = 150
},
DynamicAnimation = new ApexCharts.DynamicAnimation
{
Enabled = true,
Speed = 350
}
}
},
Theme = new ApexCharts.Theme(),
Colors = GetThemeColors(theme),
Stroke = new ApexCharts.Stroke
{
Width = 2,
Curve = ApexCharts.Curve.Smooth,
LineCap = ApexCharts.LineCap.Round
},
Fill = new ApexCharts.Fill { Opacity = 0.85 },
DataLabels = new ApexCharts.DataLabels { Enabled = false },
Grid = new ApexCharts.Grid
{
BorderColor = "transparent",
StrokeDashArray = 4,
Position = ApexCharts.GridPosition.Back
},
Xaxis = new ApexCharts.XAxis
{
Type = ApexCharts.XAxisType.Category,
Labels = new ApexCharts.XAxisLabels
{
Style = new ApexCharts.AxisLabelStyle
{
FontSize = "11px",
FontWeight = "500"
},
OffsetY = 2
},
AxisBorder = new ApexCharts.AxisBorder { Show = false },
AxisTicks = new ApexCharts.AxisTicks { Show = false }
},
Yaxis = new List<ApexCharts.YAxis>
{
new ApexCharts.YAxis
{
Labels = new ApexCharts.YAxisLabels
{
Style = new ApexCharts.AxisLabelStyle
{
FontSize = "11px",
FontWeight = "500"
}
},
AxisBorder = new ApexCharts.AxisBorder { Show = false },
AxisTicks = new ApexCharts.AxisTicks { Show = false }
}
},
Legend = new ApexCharts.Legend
{
Show = showLegend,
Position = ApexCharts.LegendPosition.Top,
HorizontalAlign = ApexCharts.Align.Left,
FontSize = "12px",
FontWeight = "500",
OffsetY = 4,
Markers = new ApexCharts.LegendMarkers
{
Width = 8,
Height = 8,
Radius = 12,
OffsetX = -4
}
},
Tooltip = new ApexCharts.Tooltip
{
Enabled = true,
Shared = true,
Intersect = false,
FollowCursor = false,
Style = new ApexCharts.TooltipStyle { FontSize = "12px" },
Custom = @"function({ series, seriesIndex, dataPointIndex, w }) {
const type = (w.config.chart && w.config.chart.type) || '';
const isCircular = ['pie', 'donut', 'radialBar', 'polarArea'].indexOf(type) >= 0
|| (Array.isArray(series) && series.length > 0 && typeof series[0] === 'number');
// ApexCharts keeps category names in different globals depending on axis type.
function xLabelAt(i) {
const sources = [w.globals.categoryLabels, w.config.xaxis && w.config.xaxis.categories, w.globals.labels];
for (const s of sources) {
if (s && s[i] !== undefined && s[i] !== null && s[i] !== '') return String(s[i]);
}
return '';
}
let html = '<div class=""shellui-chart-tooltip"">';
if (isCircular) {
const label = (w.globals.labels && w.globals.labels[seriesIndex]) || '';
const value = series[seriesIndex];
const color = w.config.colors[seriesIndex];
html += '<div class=""shellui-chart-tooltip-body"">' +
'<div class=""shellui-chart-tooltip-row"">' +
'<span class=""shellui-chart-tooltip-marker"" style=""background-color: ' + color + ';""></span>' +
'<span class=""shellui-chart-tooltip-label"">' + label + '</span>' +
'<span class=""shellui-chart-tooltip-value"">' + value + '</span>' +
'</div></div>';
} else {
const title = xLabelAt(dataPointIndex);
if (title) {
html += '<div class=""shellui-chart-tooltip-title"">' + title + '</div>';
}
html += '<div class=""shellui-chart-tooltip-body"">';
(w.globals.initialSeries || []).forEach((s, idx) => {
const color = w.config.colors[idx];
const name = (s && s.name) || '';
const value = series[idx] && series[idx][dataPointIndex] !== undefined
? series[idx][dataPointIndex]
: '-';
html += '<div class=""shellui-chart-tooltip-row"">' +
'<span class=""shellui-chart-tooltip-marker"" style=""background-color: ' + color + ';""></span>' +
'<span class=""shellui-chart-tooltip-label"">' + name + '</span>' +
'<span class=""shellui-chart-tooltip-value"">' + value + '</span>' +
'</div>';
});
html += '</div>';
}
html += '</div>';
return html;
}"
},
Title = new ApexCharts.Title
{
Style = new ApexCharts.TitleStyle
{
FontSize = "14px",
FontWeight = "600"
}
},
Subtitle = new ApexCharts.Subtitle
{
Style = new ApexCharts.SubtitleStyle { FontSize = "12px" }
},
PlotOptions = new ApexCharts.PlotOptions
{
Bar = new ApexCharts.PlotOptionsBar
{
BorderRadius = 4,
ColumnWidth = "55%",
BorderRadiusApplication = ApexCharts.BorderRadiusApplication.End
},
Pie = new ApexCharts.PlotOptionsPie
{
ExpandOnClick = true,
DataLabels = new ApexCharts.PieDataLabels
{
MinAngleToShowLabel = 360 // labels off; the tooltip shows values
},
Donut = new ApexCharts.PlotOptionsDonut
{
Size = "70%",
Background = "transparent"
}
},
Radar = new ApexCharts.PlotOptionsRadar
{
Polygons = new ApexCharts.RadarPolygons
{
StrokeColors = "var(--border)",
ConnectorColors = "var(--border)"
}
},
RadialBar = new ApexCharts.PlotOptionsRadialBar
{
Hollow = new ApexCharts.Hollow
{
Size = "60%"
},
Track = new ApexCharts.Track
{
Background = "var(--muted)"
},
DataLabels = new ApexCharts.RadialBarDataLabels
{
Name = new ApexCharts.RadialBarDataLabelsName { Show = true, FontSize = "13px" },
Value = new ApexCharts.RadialBarDataLabelsValue { Show = true, FontSize = "22px", FontWeight = "600" }
}
}
}
};
}
// ApexCharts color arrays can't use CSS variables.
private static List<string> GetThemeColors(ChartTheme theme)
{
return theme switch
{
ChartTheme.Default => new List<string>
{
"#2563eb", // blue-600
"#dc2626", // red-600
"#16a34a", // green-600
"#ca8a04", // yellow-600
"#9333ea" // purple-600
},
ChartTheme.Colorful => new List<string>
{
"#3b82f6", // blue-500
"#ef4444", // red-500
"#10b981", // green-500
"#f59e0b", // yellow-500
"#8b5cf6", // purple-500
"#ec4899", // pink-500
"#06b6d4" // cyan-500
},
ChartTheme.Monochrome => new List<string>
{
"#64748b", // slate-500
"#94a3b8", // slate-400
"#cbd5e1", // slate-300
"#475569", // slate-600
"#334155" // slate-700
},
_ => GetThemeColors(ChartTheme.Default)
};
}
}