Samuele Locatelli
82 lines
2.1 KiB
Plaintext
82 lines
2.1 KiB
Plaintext
@inject IJSRuntime JSRuntime
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<canvas id="@Id"></canvas>
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@code {
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[Parameter]
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public string Id { get; set; } = "MyHist";
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[Parameter]
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public string[] Data { get; set; }
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[Parameter]
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public string[] Labels { get; set; }
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[Parameter]
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public string lineColor { get; set; }
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[Parameter]
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public string backColor { get; set; }
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protected override async Task OnAfterRenderAsync(bool firstRender)
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{
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//if (!firstRender)
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//{
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await renderChart();
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//}
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}
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/// <summary>
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/// Inizializzazione rendering componente
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///
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/// partendo da qui:
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/// https://www.williamleme.com/posts/2020/003-chartjs-blazor/
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/// https://www.puresourcecode.com/dotnet/blazor/using-chart-js-with-blazor/
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/// https://www.tutorialsteacher.com/csharp/csharp-anonymous-type
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/// </summary>
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/// <param name="firstRender"></param>
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/// <returns></returns>
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protected async Task renderChart()
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{
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// creazione di un oggetto anonymous type con tutte le opzioni da passare a chart.js
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var config = new
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{
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type = "bar",
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options = new
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{
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responsive = true,
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scales = new
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{
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yAxes = new
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{
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suggestedMin = 0,
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display = true,
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ticks = new
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{
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beginAtZero = true,
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maxTicksLimit = 10
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}
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}
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}
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},
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data = new
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{
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datasets = new[]
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{
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new
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{
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data = Data,
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borderColor = lineColor,
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backgroundColor = backColor,
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borderWidth = 1,
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label= "Freq. Osservate"
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}
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},
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labels = Labels
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}
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};
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await JSRuntime.InvokeVoidAsync("setup", Id, config);
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}
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} |