/// <summary>
/// Generate options
/// </summary>
/// <param name="items">Items used to generate options</param>
/// <param name="selectedValue">Selected value</param>
/// <param name="formatter">Formatter used to find label/value. May be null if the list contains <c>SelectListItem</c></param>
/// <returns>Generated <c>option</c> tags</returns>
protected IEnumerable <NestedTagBuilder> GenerateOptions(IEnumerable items, string selectedValue,
ISelectItemFormatter formatter)
{
if (formatter == null)
{
if (!(items is IEnumerable <SelectListItem>))
{
throw new InvalidOperationException("No formatter was specified and the list do not contain SelectListItems");
}
return(GenerateOptions((IEnumerable <SelectListItem>)items, selectedValue));
}
var listItems = new List <NestedTagBuilder>();
foreach (var item in items)
{
var tag = new NestedTagBuilder("option");
var listItem = formatter.Generate(item);
tag.MergeAttribute("value", listItem.Value);
if (listItem.Value == selectedValue || listItem.Selected)
{
tag.MergeAttribute("selected", "selected");
}
tag.SetInnerText(listItem.Text);
listItems.Add(tag);
}
return(listItems);
}
/// <summary>
/// Generate options
/// </summary>
/// <param name="items">Items used to generate options</param>
/// <param name="selectedValue">Selected value</param>
/// <param name="formatter">Formatter used to find label/value. May be null if the list contains <c>SelectListItem</c></param>
/// <returns>Generated <c>option</c> tags</returns>
protected IEnumerable<NestedTagBuilder> GenerateOptions(IEnumerable items, string selectedValue,
ISelectItemFormatter formatter)
{
if (formatter == null)
{
if (!(items is IEnumerable<SelectListItem>))
throw new InvalidOperationException("No formatter was specified and the list do not contain SelectListItems");
return GenerateOptions((IEnumerable<SelectListItem>)items, selectedValue);
}
var listItems = new List<NestedTagBuilder>();
foreach (var item in items)
{
var tag = new NestedTagBuilder("option");
var listItem = formatter.Generate(item);
tag.MergeAttribute("value", listItem.Value);
if (listItem.Value == selectedValue || listItem.Selected)
tag.MergeAttribute("selected", "selected");
tag.SetInnerText(listItem.Text);
listItems.Add(tag);
}
return listItems;
}
/// <summary>
/// Generate options
/// </summary>
/// <param name="items"></param>
/// <param name="selectedValue"></param>
/// <param name="formatter"></param>
/// <returns></returns>
protected IEnumerable<NestedTagBuilder> GenerateOptions(IEnumerable items, string selectedValue, ISelectItemFormatter formatter)
{
if (formatter == null)
return GenerateOptions(items, selectedValue);
var listItems = new List<NestedTagBuilder>();
foreach (var item in items)
{
var tag = new NestedTagBuilder("option");
var listItem = formatter.Generate(item);
tag.MergeAttribute("value", listItem.Value);
if (listItem.Value == selectedValue || listItem.Selected)
tag.MergeAttribute("selected", "selected");
tag.SetInnerText(listItem.Text);
listItems.Add(tag);
}
return listItems;
}
/// <summary>
/// Initializes a new instance of the <see cref="SelectContext"/> class.
/// </summary>
/// <param name="context">Base context.</param>
/// <param name="formatter"><see cref="Formatter"/></param>
/// <param name="listItems"><seealso cref="ListItems"/></param>
public SelectContext(GeneratorContext context, ISelectItemFormatter formatter, IEnumerable listItems) : base(context)
{
Formatter = formatter;
ListItems = listItems;
}
/// <summary>
/// Initializes a new instance of the <see cref="SelectContext"/> class.
/// </summary>
/// <param name="context">Base context.</param>
/// <param name="formatter"><see cref="Formatter"/></param>
/// <param name="listItems"><seealso cref="ListItems"/></param>
public SelectContext(GeneratorContext context, ISelectItemFormatter formatter, IEnumerable listItems)
: base(context)
{
Formatter = formatter;
ListItems = listItems;
}
