/// <summary>
/// Removes the item.
/// </summary>
/// <param name="item">The item.</param>
public void RemoveItem(RadzenAccordionItem item)
{
if (items.Contains(item))
{
items.Remove(item);
if (!disposed)
{
try { InvokeAsync(StateHasChanged); } catch { }
}
}
}
async System.Threading.Tasks.Task CollapseAll(RadzenAccordionItem item)
{
if (!Multiple && items.Count > 1)
{
foreach (var i in items.Where(i => i != item))
{
var itemIndex = items.IndexOf(i);
if (expandedIdexes.Contains(itemIndex))
{
expandedIdexes.Remove(itemIndex);
await Collapse.InvokeAsync(items.IndexOf(i));
}
}
}
}
/// <summary>
/// Adds the item.
/// </summary>
/// <param name="item">The item.</param>
public void AddItem(RadzenAccordionItem item)
{
if (items.IndexOf(item) == -1)
{
if (item.Selected)
{
SelectedIndex = items.Count;
if (!Multiple)
{
expandedIdexes.Clear();
}
if (!expandedIdexes.Contains(SelectedIndex))
{
expandedIdexes.Add(SelectedIndex);
}
}
items.Add(item);
StateHasChanged();
}
}
internal async System.Threading.Tasks.Task SelectItem(RadzenAccordionItem item)
{
await CollapseAll(item);
var itemIndex = items.IndexOf(item);
if (!expandedIdexes.Contains(itemIndex))
{
expandedIdexes.Add(itemIndex);
await Expand.InvokeAsync(itemIndex);
}
else
{
expandedIdexes.Remove(itemIndex);
await Collapse.InvokeAsync(itemIndex);
}
if (!Multiple)
{
SelectedIndex = itemIndex;
}
StateHasChanged();
}
/// <summary>
/// Determines whether the specified index is selected.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="item">The item.</param>
/// <returns><c>true</c> if the specified index is selected; otherwise, <c>false</c>.</returns>
protected bool IsSelected(int index, RadzenAccordionItem item)
{
return(expandedIdexes.Contains(index));
}