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* Demos, Docs update
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...ap.Demo.RCL/Components/Pages/Charts/LineCharts/LineChart_Demo_05_Tick_Configuration.razor
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| <LineChart @ref="lineChart" Width="500" Height="200" /> | ||
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| <div class="mt-5"> | ||
| <Button Type="ButtonType.Button" Color="ButtonColor.Primary" Size="ButtonSize.Small" @onclick="async () => await ChangeTicksAlignmentToStart()"> Alignment: start </Button> | ||
| <Button Type="ButtonType.Button" Color="ButtonColor.Primary" Size="ButtonSize.Small" @onclick="async () => await ChangeTicksAlignmentToCenter()"> Alignment: center (default) </Button> | ||
| <Button Type="ButtonType.Button" Color="ButtonColor.Primary" Size="ButtonSize.Small" @onclick="async () => await ChangeTicksAlignmentToEnd()"> Alignment: end </Button> | ||
| </div> | ||
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| @code { | ||
| private LineChart lineChart = default!; | ||
| private LineChartOptions lineChartOptions = default!; | ||
| private ChartData chartData = default!; | ||
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| private int datasetsCount; | ||
| private int labelsCount; | ||
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| private Random random = new(); | ||
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| protected override void OnInitialized() | ||
| { | ||
| chartData = new ChartData { Labels = GetDefaultDataLabels(6), Datasets = GetDefaultDataSets(3) }; | ||
| lineChartOptions = new() { Responsive = true, Interaction = new Interaction { Mode = InteractionMode.Index } }; | ||
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| // set ticks color | ||
| lineChartOptions.Scales.X!.Ticks = new ChartAxesTicks { Color = "red" }; | ||
| lineChartOptions.Scales.Y!.Ticks = new ChartAxesTicks { Color = ColorUtility.CategoricalTwelveColors[4] }; | ||
| } | ||
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| protected override async Task OnAfterRenderAsync(bool firstRender) | ||
| { | ||
| if (firstRender) | ||
| { | ||
| await lineChart.InitializeAsync(chartData, lineChartOptions); | ||
| } | ||
| await base.OnAfterRenderAsync(firstRender); | ||
| } | ||
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| private async Task ChangeTicksAlignmentToStart() | ||
| { | ||
| lineChartOptions.Scales.X!.Ticks!.TicksAlignment = TicksAlignment.Start; | ||
| await lineChart.UpdateAsync(chartData, lineChartOptions); | ||
| } | ||
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| private async Task ChangeTicksAlignmentToCenter() | ||
| { | ||
| lineChartOptions.Scales.X!.Ticks!.TicksAlignment = TicksAlignment.Center; | ||
| await lineChart.UpdateAsync(chartData, lineChartOptions); | ||
| } | ||
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| private async Task ChangeTicksAlignmentToEnd() | ||
| { | ||
| lineChartOptions.Scales.X!.Ticks!.TicksAlignment = TicksAlignment.End; | ||
| await lineChart.UpdateAsync(chartData, lineChartOptions); | ||
| } | ||
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| #region Data Preparation | ||
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| private List<IChartDataset> GetDefaultDataSets(int numberOfDatasets) | ||
| { | ||
| var datasets = new List<IChartDataset>(); | ||
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| for (var index = 0; index < numberOfDatasets; index++) | ||
| { | ||
| datasets.Add(GetRandomLineChartDataset()); | ||
| } | ||
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| return datasets; | ||
| } | ||
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| private LineChartDataset GetRandomLineChartDataset() | ||
| { | ||
| var c = ColorUtility.CategoricalTwelveColors[datasetsCount].ToColor(); | ||
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| datasetsCount += 1; | ||
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| return new LineChartDataset | ||
| { | ||
| Label = $"Team {datasetsCount}", | ||
| Data = GetRandomData(), | ||
| BackgroundColor = new List<string> { c.ToRgbString() }, | ||
| BorderColor = new List<string> { c.ToRgbString() }, | ||
| BorderWidth = new List<double> { 2 }, | ||
| HoverBorderWidth = new List<double> { 4 }, | ||
| PointBackgroundColor = new List<string> { c.ToRgbString() }, | ||
| PointRadius = new List<int> { 0 }, // hide points | ||
| PointHoverRadius = new List<int> { 4 } | ||
| }; | ||
| } | ||
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| private List<double> GetRandomData() | ||
| { | ||
| var data = new List<double>(); | ||
| for (var index = 0; index < labelsCount; index++) | ||
| { | ||
| data.Add(random.Next(200)); | ||
| } | ||
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| return data; | ||
| } | ||
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| private List<string> GetDefaultDataLabels(int numberOfLabels) | ||
| { | ||
| var labels = new List<string>(); | ||
| for (var index = 0; index < numberOfLabels; index++) | ||
| { | ||
| labels.Add(GetNextDataLabel()); | ||
| } | ||
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| return labels; | ||
| } | ||
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| private string GetNextDataLabel() | ||
| { | ||
| labelsCount += 1; | ||
| return $"Day {labelsCount}"; | ||
| } | ||
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| #endregion Data Preparation | ||
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| } |
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