48 lines
1.3 KiB
Plaintext
48 lines
1.3 KiB
Plaintext
@page "/fetchdata"
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@using Blazor3State.Data
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@inject WeatherForecastService ForecastService
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<h1>Showing states in blazor</h1>
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<p>This component demonstrates fetching data from a service.</p>
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<button class="btn btn-primary" @onclick="LoadImage">New Image</button>
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<div class="image-container">
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@if (state == LoadingContainerState.Loading)
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{
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<div class="lds-default"><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div></div>
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}
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else if (state == LoadingContainerState.Loaded)
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{
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<img src="https://loremflickr.com/200/300" alt="Alternate text" />
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}
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else if (state == LoadingContainerState.Error)
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{
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<p><em>An error has occurred. Click new image to try again !</em></p>
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}
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</div>
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@code {
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Random random = new Random();
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public enum LoadingContainerState { Loading, Loaded, Error }
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LoadingContainerState state;
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protected override async Task OnInitializedAsync()
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{
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await LoadImage();
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}
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async Task LoadImage()
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{
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state = LoadingContainerState.Loading;
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await Task.Delay(1000);
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if (random.Next(3) == 2)
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{
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state = LoadingContainerState.Error;
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}
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else state = LoadingContainerState.Loaded;
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}
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}
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