39 lines
1.7 KiB
C#
39 lines
1.7 KiB
C#
 
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using System.Globalization;
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using Microsoft.AspNetCore.Components;
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using Microsoft.AspNetCore.Components.Forms;
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namespace decePubClient.Components.Daisy;
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/// <summary>
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/// Base of the daisyUI form fields. It is Blazor's <see cref="InputBase{TValue}"/>, so <c>@bind-Value</c> and
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/// EditForm validation work as with InputText; it also works outside an EditForm, as long as the value is bound.
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/// A consumer's <c>class</c> stays in AdditionalAttributes, and <see cref="InputBase{TValue}.CssClass"/> adds the
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/// EditContext's valid/invalid/modified markers to it.
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/// </summary>
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public abstract class DInputBase<TValue> : InputBase<TValue>
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{
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/// <summary>Whether the bound field currently has validation messages.</summary>
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protected bool IsInvalid => EditContext != null && EditContext.GetValidationMessages(FieldIdentifier).Any();
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/// <summary>The attributes for the inner input element, without class (that goes on the styled element).</summary>
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protected IReadOnlyDictionary<string, object> InputAttributes =>
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AdditionalAttributes?.Where(a => a.Key != "class").ToDictionary(a => a.Key, a => a.Value);
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protected static string Cx(params string[] classes) => DCx.Join(classes);
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protected override string FormatValueAsString(TValue value) =>
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BindConverter.FormatValue(value, CultureInfo.InvariantCulture)?.ToString();
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protected override bool TryParseValueFromString(string value, out TValue result, out string validationErrorMessage)
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{
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if (BindConverter.TryConvertTo(value, CultureInfo.InvariantCulture, out result))
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{
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validationErrorMessage = null;
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return true;
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}
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validationErrorMessage = $"The {DisplayName ?? FieldIdentifier.FieldName} field is not valid.";
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return false;
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}
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}
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