private static MemberInfo GetMemberInfo(LambdaExpression memberSelector)
{
Ensure.ArgumentMatches(memberSelector.Body.NodeType == ExpressionType.MemberAccess, MemberIsNotAccess);
var memberExpression = (MemberExpression)memberSelector.Body;
return(memberExpression.Member);
}
private static MethodInfo GetMethodInfo(LambdaExpression methodSelector)
{
Ensure.ArgumentMatches(methodSelector.Body.NodeType == ExpressionType.Call, MethodIsNotCall);
var callExpression = (MethodCallExpression)methodSelector.Body;
return(callExpression.Method);
}
public static FieldInfo GetField <TResult>(Expression <Func <TTarget, TResult> > fieldSelector)
{
var info = GetMemberInfo(fieldSelector) as FieldInfo;
Ensure.ArgumentMatches(info != null, MemberIsNotField);
return(info);
}
public static PropertyInfo GetProperty <TResult>(Expression <Func <TTarget, TResult> > propertySelector)
{
var info = GetMemberInfo(propertySelector) as PropertyInfo;
Ensure.ArgumentMatches(info != null, MemberIsNotProperty);
return(info);
}
private IRibbonView ForgetAssociation(IRibbonTabView tabView)
{
Ensure.ArgumentMatches(this.tabToRibbonMap.ContainsKey(tabView), "The contextual tab group was not shown before or has already been removed.");
IRibbonView ribbon = this.tabToRibbonMap[tabView];
this.tabToRibbonMap.Remove(tabView);
return(ribbon);
}
public void Deactivate(object viewModel)
{
Ensure.ArgumentMatches(this.managers.ContainsKey(viewModel), viewModel, "viewModel", "The view model is not activated.");
ILifecycleManager manager = this.managers[viewModel];
manager.Deactivate();
this.managers.Remove(viewModel);
}
public void Activate(object viewModel)
{
Ensure.ArgumentMatches(!this.managers.ContainsKey(viewModel), viewModel, "viewModel", "The view model is already activated.");
ILifecycleManager manager = this.managerFactory.Create(viewModel);
this.managers.Add(viewModel, manager);
manager.Activate();
}
private static FieldInfo GetEnumInfo(LambdaExpression enumerationValueSelector)
{
Ensure.ArgumentMatches(enumerationValueSelector.Body.NodeType == ExpressionType.Constant, EnumerationValueNotConstant);
var constantExpression = (ConstantExpression)enumerationValueSelector.Body;
string enumName = constantExpression.Type.GetEnumName(constantExpression.Value);
return(constantExpression.Type.GetField(enumName));
}
