/// <summary>
/// Converts to <see cref="CodeElement"/> type from <paramref name="value"/>
/// </summary>
/// <param name="context"></param>
/// <param name="culture"></param>
/// <param name="value"></param>
/// <returns></returns>
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value is string)
{
DTE dte = (DTE)context.GetService(typeof(DTE));
return(CodeModelUtil.ConvertFromString(dte, (string)value));
}
return(base.ConvertFrom(context, culture, value));
}
/// <summary>
/// Converts <paramref name="value"/> to type <paramref name="destinationType"/>
/// </summary>
/// <param name="context"></param>
/// <param name="culture"></param>
/// <param name="value">A <see cref="CodeElement"/> object</param>
/// <param name="destinationType"></param>
/// <returns>The FullName property of a <see cref="CodeElement"/></returns>
public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
{
if (value is CodeElement && destinationType == typeof(string))
{
return(((CodeElement)value).FullName);
}
else if (value is string)
{
DTE dte = (DTE)context.GetService(typeof(DTE));
return(CodeModelUtil.ConvertFromString(dte, (string)value));
}
return(base.ConvertTo(context, culture, value, destinationType));
}
/// <summary>
/// Obtains the <see cref="CodeClass"/> for the specified paramter "ClassName"
/// </summary>
/// <param name="currentValue"></param>
/// <param name="newValue"></param>
/// <returns></returns>
/// <seealso cref="ValueProvider.OnBeginRecipe"/>
public override bool OnBeginRecipe(object currentValue, out object newValue)
{
if (currentValue == null)
{
DTE dte = (DTE)GetService(typeof(DTE));
try
{
newValue = CodeModelUtil.GetCodeModel(dte).CodeTypeFromFullName(this.className);
}
catch
{
newValue = null;
}
if (newValue != null)
{
return(true);
}
}
newValue = currentValue;
return(false);
}
/// <summary>
/// Obtains the <see cref="CodeClass"/> for the specified paramter "ClassName"
/// </summary>
/// <param name="currentValue"></param>
/// <param name="newValue"></param>
/// <returns></returns>
/// <seealso cref="ValueProvider.OnBeginRecipe"/>
public override bool OnBeginRecipe(object currentValue, out object newValue)
{
IDictionaryService dictService =
(IDictionaryService)GetService(typeof(IDictionaryService));
if (dictService != null && dictService.GetValue(argumentName) != null)
{
DTE dte = (DTE)GetService(typeof(DTE));
CodeClass childClass = (CodeClass)dictService.GetValue(argumentName);
CodeClass codeClass = (CodeClass)childClass.Bases.Item(1);
string fullName = codeClass.FullName;
int leftParam = fullName.IndexOf('<');
int rightParam = fullName.LastIndexOf('>');
if (leftParam != -1 && rightParam != -1 && leftParam < rightParam)
{
fullName = fullName.Substring(leftParam + 1, rightParam - leftParam);
string[] parameters = fullName.Split(',');
if (parameter < parameters.Length && parameter >= 0)
{
string parameterName = parameters[parameter];
try
{
newValue = CodeModelUtil.GetCodeModel(dte).CodeTypeFromFullName(parameterName);
}
catch
{
newValue = null;
}
if (newValue != null)
{
return(true);
}
}
}
}
newValue = currentValue;
return(false);
}
protected override void DoValidate(string objectToValidate, object currentTarget, string key, ValidationResults validationResults)
{
if (objectToValidate == null)
{
this.LogValidationResult(validationResults, this.DefaultMessageTemplate, currentTarget, key);
}
else
{
IServiceProviderProviderPageModel pageModel = currentTarget as IServiceProviderProviderPageModel;
if (pageModel != null)
{
IServiceProvider _serviceProvider = pageModel.ServiceProvider;
if (_serviceProvider != null)
{
DTE dte = (DTE)_serviceProvider.GetService(typeof(DTE));
CodeElement el = CodeModelUtil.ConvertFromString(dte, objectToValidate);
if (el == null)
{
this.LogValidationResult(validationResults, this.DefaultMessageTemplate, currentTarget, key);
}
}
}
}
}