/// <summary>
/// Initializes a new instance of the <see cref="BuiltInRuleDialogViewModel"/> class.
/// </summary>
/// <param name="builtInRule">
/// The <see cref="IBuiltInRule"/> that is represented by the current <see cref="BuiltInRuleDialogViewModel"/>
/// </param>
public BuiltInRuleDialogViewModel(IBuiltInRule builtInRule)
{
this.SetProperties(builtInRule);
this.CloseCommand = ReactiveCommand.Create();
this.CloseCommand.Subscribe(_ => this.ExecuteClose());
}
/// <summary>
/// Initializes a new instance of the <see cref="BuiltInRuleRowViewModel"/> class.
/// </summary>
/// <param name="rule">
/// The <see cref="BuiltInRule"/> that is represented by the current row view-model.
/// </param>
/// <param name="metaData">
/// The <see cref="IBuiltInRuleMetaData"/> that provides the meta-data for the <see cref="BuiltInRule"/>
/// that is represented by the current row view-model.
/// </param>
public BuiltInRuleRowViewModel(IBuiltInRule rule, IBuiltInRuleMetaData metaData)
{
if (rule == null)
{
throw new ArgumentNullException(nameof(rule), "The rule shall not be null");
}
if (metaData == null)
{
throw new ArgumentNullException(nameof(metaData), "The metaData shall not be null");
}
this.Rule = rule;
this.metaData = metaData;
}
/// <summary>
/// Registers a <see cref="builtInRule"/> with the service
/// </summary>
/// <param name="builtInRule">
/// The <see cref="BuiltInRule"/> to register
/// </param>
/// <param name="metaData">
/// The <see cref="IBuiltInRuleMetaData"/> that describes the <see cref="BuiltInRule"/>
/// </param>
public void Register(IBuiltInRule builtInRule, IBuiltInRuleMetaData metaData)
{
var ruleName = metaData.Name;
var registration = new Lazy <IBuiltInRule, IBuiltInRuleMetaData>(() => builtInRule, metaData);
if (this.builtInRules.ContainsKey(ruleName))
{
var ruleAuthor = metaData.Author;
var ruleDescription = metaData.Description;
logger.Warn("A BuiltInRule with name:{0}, by author:{1} with description:{2}, has already been registered.", ruleName, ruleAuthor, ruleDescription);
}
else
{
this.builtInRules.Add(ruleName, registration);
}
}
/// <summary>
/// Queries the <see cref="IBuiltInRuleMetaData"/> from the provided <see cref="IBuiltInRule"/>
/// </summary>
/// <param name="rule">
/// The <see cref="IBuiltInRule"/> that is queried
/// </param>
/// <remarks>
/// The <paramref name="rule"/> must be a class that derives from the abstract <see cref="BuiltInRule"/> class.
/// </remarks>
private void SetProperties(IBuiltInRule rule)
{
var builtInRule = rule as BuiltInRule;
if (builtInRule == null)
{
return;
}
this.SetLibraryProperties(builtInRule);
var t = builtInRule.GetType();
var attributes = Attribute.GetCustomAttributes(t).OfType <IBuiltInRuleMetaData>();
var builtInRuleMetaData = attributes.SingleOrDefault();
if (builtInRuleMetaData != null)
{
this.SetMetaDataProperties(builtInRuleMetaData);
}
}
