Samuele Locatelli
60 lines
1.5 KiB
Plaintext
60 lines
1.5 KiB
Plaintext
@using System.Globalization
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@inherits InputBase<decimal>
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<input type="number"
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value="@CurrentValueAsString"
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@onchange="OnChange"
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step="@Step"
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min="@Min"
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max="@Max"
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class="@CssClass" />
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@code {
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/// <summary>
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/// Number of decimal digits to display (default 3).
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/// </summary>
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[Parameter] public int Decimals { get; set; } = 3;
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/// <summary>
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/// Step increment for the number input (default 0.001).
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/// </summary>
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[Parameter] public decimal Step { get; set; } = 0.001M;
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/// <summary>
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/// Optional minimum value.
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/// </summary>
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[Parameter] public decimal? Min { get; set; }
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/// <summary>
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/// Optional maximum value.
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/// </summary>
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[Parameter] public decimal? Max { get; set; }
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protected override string FormatValueAsString(decimal value)
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{
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return value.ToString($"F{Decimals}", CultureInfo.InvariantCulture);
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}
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protected override bool TryParseValueFromString(
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string value,
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out decimal result,
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out string validationErrorMessage)
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{
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if (decimal.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var parsed))
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{
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result = Math.Round(parsed, Decimals);
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validationErrorMessage = null;
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return true;
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}
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result = 0;
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validationErrorMessage = "Invalid decimal number";
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return false;
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}
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private void OnChange(ChangeEventArgs e)
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{
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CurrentValueAsString = e.Value?.ToString();
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}
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}
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