protected virtual async ValueTask DisposeAsyncCore()
{
if (!isDisposed && (previousActiveTab != null))
{
await previousActiveTab.NotifyDeactivatedAsync();
previousActiveTab = null;
}
isDisposed = true;
}
/// <inheritdoc />
protected override async Task OnAfterRenderAsync(bool firstRender)
{
await base.OnAfterRenderAsync(firstRender);
if (firstRender)
{
// when no tab is active after initial render, activate the first visible & enabled tab
if (!tabsList.Any(tab => IsActive(tab)) && (tabsList.Count > 0))
{
HxTab tabToActivate = tabsList.FirstOrDefault(tab => CascadeEnabledComponent.EnabledEffective(tab) && tab.Visible);
if (tabToActivate != null)
{
await SetActiveTabIdAsync(tabToActivate.Id);
}
}
}
}
private async Task NotifyActivationAndDeativatationAsync()
{
HxTab activeTab = tabsList.FirstOrDefault(tab => IsActive(tab));
if (activeTab == previousActiveTab)
{
return;
}
if (previousActiveTab != null)
{
await previousActiveTab.NotifyDeactivatedAsync();
}
if (activeTab != null)
{
await activeTab.NotifyActivatedAsync();
}
previousActiveTab = activeTab;
}
private bool IsActive(HxTab tab)
{
return(ActiveTabId == tab.Id);
}
/// <summary>
/// Handle click on tab title to activate tab.
/// </summary>
protected async Task HandleTabClick(HxTab tab)
{
await SetActiveTabIdAsync(tab.Id);
}