/// <summary>
/// Adds the item.
/// </summary>
/// <param name="item">The item.</param>
public void AddItem(RadzenCheckBoxListItem<TValue> item)
{
if (items.IndexOf(item) == -1)
{
items.Add(item);
StateHasChanged();
}
}
/// <summary>
/// Removes the item.
/// </summary>
/// <param name="item">The item.</param>
public void RemoveItem(RadzenCheckBoxListItem<TValue> item)
{
if (items.Contains(item))
{
items.Remove(item);
if (!disposed)
{
try { InvokeAsync(StateHasChanged); } catch { }
}
}
}
/// <summary>
/// Selects the item.
/// </summary>
/// <param name="item">The item.</param>
protected async System.Threading.Tasks.Task SelectItem(RadzenCheckBoxListItem<TValue> item)
{
if (Disabled || item.Disabled)
return;
List<TValue> selectedValues = new List<TValue>(Value != null ? Value : Enumerable.Empty<TValue>());
if (!selectedValues.Contains(item.Value))
{
selectedValues.Add(item.Value);
}
else
{
selectedValues.Remove(item.Value);
}
Value = selectedValues;
await ValueChanged.InvokeAsync(Value);
if (FieldIdentifier.FieldName != null) { EditContext?.NotifyFieldChanged(FieldIdentifier); }
await Change.InvokeAsync(Value);
StateHasChanged();
}
ClassList IconClassList(RadzenCheckBoxListItem<TValue> item) => ClassList.Create("rz-chkbox-icon")
.Add("rzi rzi-check", IsSelected(item));
ClassList ItemClassList(RadzenCheckBoxListItem<TValue> item) => ClassList.Create("rz-chkbox-box")
.Add("rz-state-active", IsSelected(item))
.AddDisabled(Disabled || item.Disabled);
private string getDisabledState(RadzenCheckBoxListItem<TValue> item)
{
return Disabled || item.Disabled ? " rz-state-disabled" : "";
}
/// <summary>
/// Determines whether the specified item is selected.
/// </summary>
/// <param name="item">The item.</param>
/// <returns><c>true</c> if the specified item is selected; otherwise, <c>false</c>.</returns>
protected bool IsSelected(RadzenCheckBoxListItem<TValue> item)
{
return Value != null && Value.Contains(item.Value);
}