public MultiSelectForm(MultiSelectOptions <T> options)
{
if (options.Items is null)
{
throw new ArgumentNullException(nameof(options.Items));
}
if (options.Minimum < 0)
{
throw new ArgumentOutOfRangeException(nameof(options.Minimum), $"The minimum ({options.Minimum}) is not valid");
}
if (options.Maximum < options.Minimum)
{
throw new ArgumentOutOfRangeException(nameof(options.Maximum), $"The maximum ({options.Maximum}) is not valid when minimum is set to ({options.Minimum})");
}
_paginator = new Paginator <T>(options.Items, options.PageSize, Optional <T> .Empty, options.TextSelector);
if (options.DefaultValues is not null)
{
foreach (var defaultValue in options.DefaultValues)
{
_selectedItems.Add(defaultValue);
}
}
_options = options;
}
public MultiSelect(MultiSelectOptions <T> options)
: base(false)
{
// throw early when invalid options are passed
if (options.Minimum < 0)
{
throw new ArgumentOutOfRangeException(nameof(options.Minimum), $"The minimum ({options.Minimum}) is not valid");
}
if (options.Maximum < options.Minimum)
{
throw new ArgumentException($"The maximum ({options.Maximum}) is not valid when minimum is set to ({options.Minimum})", nameof(options.Maximum));
}
_paginator = new Paginator <T>(options.Items, options.PageSize, Optional <T> .Empty, options.TextSelector);
if (options.DefaultValues != null)
{
_selectedItems.AddRange(options.DefaultValues);
}
_options = options;
}
public static IHtmlString MultiSelectList(this HtmlHelper helper, string name, IEnumerable <MultiSelectItem> items = null, MultiSelectOptions options = null)
{
MultiSelect ms = new MultiSelect(items, options);
return(new HtmlString(ms.Render(name)));
}
