protected override async ValueTask DisposeAsync(bool disposing)
{
if (disposing && Rendered)
{
// TODO: switch to IAsyncDisposable
await JSClosableModule.Unregister(this);
DisposeDotNetObjectRef(dotNetObjectRef);
dotNetObjectRef = null;
}
await base.DisposeAsync(disposing);
}
private async Task Expand()
{
// An element location must be known every time we need to show the dropdown. The reason is mainly
// because sometimes input can have different offset based on the changes on the page. For example
// when validation is triggered the input can be pushed down by the error messages.
elementInfo = await JSUtilitiesModule.GetElementInfo(ElementRef, ElementId);
await JSClosableModule.Register(dotNetObjectRef, ElementRef);
Expanded = true;
// automatically set focus to the dropdown so that we can make it auto-close on blur event
ExecuteAfterRender(async() => await DropdownElementRef.FocusAsync());
}
/// <summary>
/// Disposes all the used resources.
/// </summary>
/// <param name="disposing">True if object is disposing.</param>
protected override async ValueTask DisposeAsync(bool disposing)
{
if (disposing && Rendered)
{
// make sure to unregister listener
if (jsRegistered)
{
jsRegistered = false;
var task = JSClosableModule.Unregister(this);
try
{
await task;
}
catch when(task.IsCanceled)
{
}
private async Task Collapse()
{
await JSClosableModule.Unregister(this);
Expanded = false;
}
