/// <summary>
/// Gets a Instance of <see cref="SelectedOptionRule{T}"/> From a String value
/// </summary>
/// <param name="s">The String to parse for values</param>
/// <returns>
/// Instance of <see cref="SelectedOptionRule{T}"/> if Parse succeeded; Otherwise, null.
/// </returns>
/// <exception cref="ArgumentNullException"></exception>
public static SelectedOptionRule <T> Parse(string s)
{
if (string.IsNullOrEmpty(s))
{
throw new ArgumentNullException();
}
try
{
// all chars except for `n and `t are single chars
var opt = new SelectedOptionRule <T>();
var es = s.Split(',');
foreach (string strEs in es)
{
if (string.IsNullOrWhiteSpace(strEs))
{
continue;
}
T eValue = (T)Enum.Parse(typeof(T), strEs, false);
string sKey = eValue.ToString();
if (opt.HasKey[sKey] == false)
{
opt.Options.Add(eValue);
opt.Keys.Add(sKey);
}
}
return(opt);
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// Gets a new <see cref="SelectedOptionRule{T}"/> instance containing the selected values of <paramref name="ListItems"/>
/// </summary>
/// <param name="ListItems">The list containing one or more Selected Items to add to the list</param>
/// <returns>
/// A new Instance of <see cref="SelectedOptionRule{T}"/> with the values that were marked as Selected in the
/// <paramref name="ListItems"/>
/// </returns>
public new static SelectedOptionRule <T> FromList(IList <AhkKeyMapAhkMapValue> ListItems)
{
var opt = new SelectedOptionRule <T>();
if (ListItems.Count == 0)
{
return(opt);
}
foreach (var item in ListItems)
{
if (item.Selected == true)
{
if (opt.HasKey[item.Key] == false)
{
if (Enum.IsDefined(typeof(T), item.Key))
{
T en;
if (Enum.TryParse(item.Key, out en) == true)
{
opt.Options.Add(en);
opt.Keys.Add(item.Key);
}
}
}
}
}
return(opt);
}
/// <summary>
/// Attempts to Parse a string representing one or more Options.
/// </summary>
/// <param name="s">The Options to Parse</param>
/// <param name="ec">The <see cref="SelectedOptionRule{T}"/> that represents the parsed results</param>
/// <returns>
/// Returns True if the parse was successful; Otherwise false
/// </returns>
public static bool TryParse(string s, out SelectedOptionRule <T> ec)
{
bool retval = false;
SelectedOptionRule <T> outec = null;
try
{
SelectedOptionRule <T> ecs = SelectedOptionRule <T> .Parse(s);
outec = ecs;
retval = true;
}
catch (Exception)
{
}
ec = outec;
return(retval);
}
/// <summary>
/// Creates a new instance of <see cref="SelectedOptionRule{T}"/> populated with the
/// values in <paramref name="Options"/>
/// </summary>
/// <param name="Options">The Array of Enum Values use to populate the instance</param>
/// <returns>
/// Instance of <see cref="SelectedOptionRule{T}"/>. If <paramref name="Options"/> is null
/// then return instance will have no values.
/// </returns>
public new static SelectedOptionRule <T> FromArray(T[] Options)
{
SelectedOptionRule <T> opt = new SelectedOptionRule <T>();
if (Options == null)
{
return(opt);
}
foreach (var e in Options)
{
string sKey = e.ToString();
if (opt.HasKey[sKey] == false)
{
opt.Options.Add(e);
opt.Keys.Add(sKey);
}
}
return(opt);
}
