protected ExtensionCategoryViewModelBase(
string name,
ExtensionCategory category,
IList <IExtension> extenions
)
{
if (extenions == null)
{
throw new ArgumentNullException(nameof(extenions));
}
if (extenions.Count(x => x != null) == 0)
{
throw new ArgumentException("At least one extension is required", nameof(extenions));
}
for (int i = 0; i < extenions.Count; i++)
{
for (int j = i + 1; j < extenions.Count; j++)
{
if (extenions[i].Name == extenions[j].Name)
{
throw new ArgumentException($"Extension with name '{extenions[i].Name}' is duplicated", nameof(extenions));
}
}
}
Name = name;
Category = category;
Extensions = extenions
.Where(x => x != null)
.Select(x => new ExtensionViewModel(this, x))
.ToList();
}
public MultiSelectionExtensionCategoryViewModel(
string name,
ExtensionCategory category,
IList <IExtension> extenions,
IEnumerable <string> selectedExtensionNames,
MultiSelectionExtensionSelectionChangedHandler onSelectionChanged
) : base(name, category, extenions)
{
this.onSelectionChanged = onSelectionChanged;
bool hasSelection = false;
foreach (string extName in selectedExtensionNames.Distinct())
{
foreach (ExtensionViewModel ext in Extensions)
{
if (ext.Extension.Name == extName)
{
ext.IsActive = true;
hasSelection = true;
}
}
}
if (hasSelection == false)
{
Extensions[0].IsActive = true;
}
}
public SingleSelectionExtensionCategoryViewModel(
string name,
ExtensionCategory category,
IList <IExtension> extenions,
string selectedExtensionName,
SingleSelectionExtensionSelectionChangedHandler onSelectionChanged
) : base(name, category, extenions)
{
this.onSelectionChanged = onSelectionChanged;
bool hasSelection = false;
foreach (ExtensionViewModel ext in Extensions)
{
if (ext.Extension.Name == selectedExtensionName)
{
ext.IsActive = true;
hasSelection = true;
}
}
if (hasSelection == false)
{
Extensions[0].IsActive = true;
}
}
private ExtensionCategoryViewModelBase GetExtensionCategory(ExtensionCategory category)
{
ExtensionCategoryViewModelBase categoryViewModel = Extensions.Categories.FirstOrDefault(x => x.Category == category);
if (categoryViewModel == null)
{
throw new InvalidOperationException($"Extension category '{category}' unavailable");
}
return(categoryViewModel);
}
private T GetSingleSelectedExtension <T>(ExtensionCategory category)
{
return((T)GetSingleSelectedExtension(category).Extension);
}
private ExtensionViewModel GetSingleSelectedExtension(ExtensionCategory category)
{
ExtensionCategoryViewModelBase categoryViewModel = GetExtensionCategory(category);
return(GetSingleSelectedExtension(categoryViewModel));
}
public List <T> GetFunctionExtensions <T>(ExtensionCategory category)
{
throw new NotImplementedException("GetFunctionExtension<T> is not implemented");
}
/// <summary> /// Converts the <see cref="sourceValue" /> parameter to the <see cref="destinationType" /> parameter using <see cref="formatProvider" /// /> and <see cref="ignoreCase" /> /// </summary> /// <param name="sourceValue">the <see cref="System.Object"/> to convert from</param> /// <param name="destinationType">the <see cref="System.Type" /> to convert to</param> /// <param name="formatProvider">not used by this TypeConverter.</param> /// <param name="ignoreCase">when set to <c>true</c>, will ignore the case when converting.</param> /// <returns> /// an instance of <see cref="ExtensionCategory" />, or <c>null</c> if there is no suitable conversion. /// </returns> public override object ConvertFrom(object sourceValue, global::System.Type destinationType, global::System.IFormatProvider formatProvider, bool ignoreCase) => ExtensionCategory.CreateFrom(sourceValue);
