SeemGen/Components/Partials/EventConsole.razor

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@using Radzen
@using System.Text.Json
@inject IJSRuntime JSRuntime
<RadzenCard Variant="Variant.Outlined" class="rz-mt-4">
<RadzenStack Orientation="Orientation.Vertical" Gap="0.5rem" @attributes=@Attributes>
<RadzenStack Orientation="Orientation.Horizontal" AlignItems="AlignItems.Center" JustifyContent="JustifyContent.SpaceBetween">
<RadzenText TextStyle="TextStyle.Subtitle1" TagName="TagName.P" class="rz-m-0">Console log</RadzenText>
<RadzenButton Click=@OnClearClick Text="Clear console" ButtonStyle="ButtonStyle.Base" Variant="Variant.Flat" Size="ButtonSize.Small" />
</RadzenStack>
<RadzenStack Orientation="Orientation.Vertical" Gap="0" ID="event-console" class="rz-pt-1" Style="border-top: var(--rz-grid-cell-border); min-height: 2rem; max-height: 12rem; overflow: auto;">
@foreach (var message in messages)
{
<RadzenAlert ShowIcon="false" Variant="Variant.Flat" AlertStyle="message.AlertStyle" Size="AlertSize.ExtraSmall" Shade="Shade.Lighter" AllowClose="false" Style="font-size: 0.75rem">
<span Style="opacity: 0.6;">@message.Date.ToString("HH:mm:ss.ff")</span> @message.Text
</RadzenAlert>
}
</RadzenStack>
</RadzenStack>
</RadzenCard>
@code {
class Message
{
public DateTime Date { get; set; }
public string Text { get; set; }
public AlertStyle AlertStyle { get; set; }
}
[Parameter(CaptureUnmatchedValues = true)]
public IDictionary<string, object> Attributes { get; set; }
IList<Message> messages = new List<Message>();
protected override async Task OnAfterRenderAsync(bool firstRender)
{
if (!firstRender)
{
await JSRuntime.InvokeVoidAsync("eval", $"document.getElementById('event-console').scrollTop = document.getElementById('event-console').scrollHeight");
}
}
void OnClearClick()
{
Clear();
}
public void Clear()
{
messages.Clear();
InvokeAsync(StateHasChanged);
}
public void Log(string message, AlertStyle alertStyle = AlertStyle.Info)
{
messages.Add(new Message { Date = DateTime.Now, Text = message, AlertStyle = alertStyle });
InvokeAsync(StateHasChanged);
}
public void Log(object value)
{
Log(JsonSerializer.Serialize(value));
}
}