public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (Authenticator.Current == null)
{
return(value);
}
if (parameter == null)
{
parameter = this.PropertyName;
}
if (value != null && parameter is string propertyName)
{
if (value is ITableDescriptor descriptor)
{
if (propertyName == IsBeingEdited)
{
return(TableDescriptorUtility.IsBeingEdited(Authenticator.Current, descriptor));
}
else if (propertyName == IsContentEditor)
{
throw new NotImplementedException();
//return TableDescriptorUtility.IsContentEditor(Authenticator.Current, descriptor);
}
else if (propertyName == IsBeingSetup)
{
return(TableDescriptorUtility.IsBeingSetup(Authenticator.Current, descriptor));
}
else if (propertyName == IsTemplateEditor)
{
throw new NotImplementedException();
//return TableDescriptorUtility.IsTemplateEditor(Authenticator.Current, descriptor);
}
else if (propertyName == IsInherited)
{
return(TableDescriptorUtility.IsInherited(Authenticator.Current, descriptor));
}
else if (propertyName == IsBaseTemplate)
{
return(TableDescriptorUtility.IsBaseTemplate(Authenticator.Current, descriptor));
}
}
else
{
var prop = value.GetType().GetProperty(propertyName);
if (prop != null)
{
return(prop.GetValue(value));
}
}
}
return(value);
}
protected override bool OnCanExecute(object parameter)
{
if (parameter is ITableDescriptor descriptor)
{
if (TableDescriptorUtility.IsBeingEdited(this.authenticator, descriptor) == false)
{
return(false);
}
return(descriptor.IsContentOwner == true || this.authenticator.Authority == Authority.Admin);
}
return(false);
}