72 lines
1.9 KiB
Plaintext
72 lines
1.9 KiB
Plaintext
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@namespace WtmBlazorUtils
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@inherits WTComponent
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@inject WtmBlazorContext WtmBlazor
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@using System.Linq.Expressions;
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<DateTimeRange @ref="dt" Value="innerValue" OnConfirm="SetDate" OnClearValue="SetDate" DisplayText="@LabelText"/>
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@code{
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[Parameter]
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public DateRange Value { get; set; }
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[Parameter]
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public EventCallback<DateRange> ValueChanged { get; set; }
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[Parameter]
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public Expression<Func<DateRange>> ValueExpression { get; set; }
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private DateTimeRangeValue innerValue = new DateTimeRangeValue();
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[Parameter]
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public string LabelText { get; set; }
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private DateTimeRange dt { get; set; }
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protected DateRange CurrentValue
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{
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get => Value;
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set
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{
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var hasChanged = !EqualityComparer<DateRange>.Default.Equals(value, Value);
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if (hasChanged)
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{
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Value = value;
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_ = ValueChanged.InvokeAsync(value);
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}
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}
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}
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protected override Task OnInitializedAsync()
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{
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if (string.IsNullOrEmpty(LabelText))
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{
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LabelText = ValueExpression.GetPropertyDisplayName(WtmBlazor.Localizer);
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}
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return base.OnInitializedAsync();
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}
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protected override Task OnParametersSetAsync()
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{
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if (Value != null && Value.GetStartTime() != null && Value.GetEndTime() != null) {
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innerValue = new DateTimeRangeValue { Start = Value.GetStartTime().Value, End = Value.GetEndTime().Value };
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}
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else
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{
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innerValue = new DateTimeRangeValue();
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}
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return base.OnParametersSetAsync();
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}
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private Task SetDate(DateTimeRangeValue v)
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{
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if (v.Start == DateTime.MinValue && v.End == DateTime.MinValue)
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{
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CurrentValue = null;
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}
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else
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{
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CurrentValue = new DateRange(v.Start, v.End);
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}
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return Task.FromResult(CurrentValue);
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}
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}
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