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canvasManagement/Management.Web/Shared/Components/Quiz/Markdown/MarkdownQuizForm.razor

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@using Management.Web.Shared.Components
@inject QuizEditorContext quizContext
@code {
private Modal? modal { get; set; }
private LocalQuiz testQuiz;
private string? error { get; set; } = null;
private string _quizMarkdownInput { get; set; } = "";
private string quizMarkdownInput
{
get => _quizMarkdownInput;
set
{
_quizMarkdownInput = value;
try
{
var newQuiz = LocalQuiz.ParseMarkdown(_quizMarkdownInput);
error = null;
testQuiz = newQuiz;
quizContext.SaveQuiz(newQuiz);
}
catch(QuizMarkdownParseException e)
{
error = e.Message;
StateHasChanged();
}
}
}
protected override void OnInitialized()
{
quizContext.StateHasChanged += reload;
}
private void reload()
{
if (quizContext.Quiz != null)
{
if(quizMarkdownInput == "")
{
quizMarkdownInput = quizContext.Quiz.ToMarkdown();
}
modal?.Show();
this.InvokeAsync(this.StateHasChanged);
}
}
public void Dispose()
{
quizContext.StateHasChanged -= reload;
}
private void deleteQuiz()
{
quizContext.DeleteQuiz();
modal?.Hide();
}
private async Task addToCanvas()
{
await quizContext.AddQuizToCanvas();
}
private void onHide()
{
_quizMarkdownInput = "";
quizContext.Quiz = null;
}
}
<Modal @ref="modal" OnHide="onHide" >
<Title>
<div class="row justify-content-between">
<div class="col-auto">
@quizContext.Quiz?.Name
</div>
<div class="col-auto me-3">
Points: @quizContext.Quiz?.Questions.Sum(q => q.Points)
</div>
</div>
</Title>
<Body>
<div class="row">
<div class="col-6">
<textarea
rows="30"
class="form-control"
@bind="quizMarkdownInput"
@bind:event="oninput"
/>
</div>
<div class="col-6">
@if(error != null)
{
<p class="text-danger text-truncate">@error</p>
}
<QuizPreview Quiz="testQuiz" />
</div>
</div>
</Body>
<Footer>
<ConfirmationModal Label="Delete" Class="btn btn-danger" OnConfirm="deleteQuiz" />
<button
class="btn btn-outline-secondary"
@onclick="addToCanvas"
>
Add to Canvas
</button>
<button
class="btn btn-primary"
@onclick="() => modal?.Hide()"
>
Done
</button>
</Footer>
</Modal>