Samuele Locatelli
123 lines
3.5 KiB
Plaintext
123 lines
3.5 KiB
Plaintext
@using MP.Data
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@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; } = "MyTs";
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[Parameter]
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public List<string> Titles { get; set; } = new List<string>() { "Demo Line" };
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[Parameter]
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public List<List<chartJsData.chartJsTSerie>> DataTSList { get; set; } = null!;
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[Parameter]
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public List<string> Labels { get; set; } = new List<string>();
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[Parameter]
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public List<string> lineColor { get; set; } = new List<string>();
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[Parameter]
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public List<string> backColor { get; set; } = new List<string>();
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[Parameter]
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public double AspRatio { get; set; } = 0;
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[Parameter]
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public bool Stepped { get; set; } = false;
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[Parameter]
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public bool Stacked { get; set; } = false;
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[Parameter]
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public string MinValue { get; set; } = "0";
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[Parameter]
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public string MaxValue { get; set; } = "0";
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[Parameter]
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public int lTens { get; set; } = 0;
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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 override async Task OnAfterRenderAsync(bool firstRender)
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{
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await renderChart();
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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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/// <returns></returns>
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protected async Task renderChart()
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{
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int i = 0;
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// preparo lista di dati...
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var dataSetsList = DataTSList.Select(dTS => new
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{
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data = dTS,
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borderColor = lineColor[i],
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backgroundColor = backColor,
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lineTension = lTens,
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stepped = Stepped,
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label = Titles[i++]
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}).ToList();
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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 = "line",
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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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stacked = Stacked,
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type = "linear",
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// type = "logarithmic",
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display = true,
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ticks = new
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{
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maxTicksLimit = 10
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},
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suggestedMin = MinValue != MaxValue ? MinValue : "auto",
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suggestedMax = MinValue != MaxValue ? MaxValue : "auto"
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},
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xAxes = new
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{
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type = "time",
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distribution = "linear",
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}
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},
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Animation = false,
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AspectRatio = AspRatio == 0 ? "auto" : $"{AspRatio}"
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},
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data = new
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{
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labels = Labels,
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datasets = dataSetsList
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}
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};
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await Task.Delay(50);
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await JSRuntime.InvokeVoidAsync("setup", Id, config);
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}
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} |