/// <summary>
/// Register a new property for the <see cref="IProvideEditableProperties" /> by convention. The description text key will be <param name="name">name</param>.Description.
/// </summary>
/// <typeparam name="T">The type of the property</typeparam>
/// <param name="provideEditableProperties">
/// The <see cref="IProvideEditableProperties" /> the property should be registered
/// to
/// </param>
/// <param name="property">The expression which points to the property</param>
/// <param name="name">The tx key of the display name of the property</param>
/// <param name="category">The category of the property</param>
/// <returns>Returns the <see cref="provideEditableProperties" /> to allow the fluent usage of this method</returns>
public static IProvideEditableProperties RegisterPropertyByConvention <T>(this IProvideEditableProperties provideEditableProperties,
Expression <Func <T> > property, string name, string category = null)
{
provideEditableProperties.RegisterProperty(property, Tx.T(name), $"{name}.Description",
category ?? Tx.T("TasksInfrastructure:CreateTask.Common"));
return(provideEditableProperties);
}
/// <summary>
/// Initialize <see cref="Property{T}" />
/// </summary>
/// <param name="provideEditableProperties">The object which has the property</param>
/// <param name="property">The property</param>
/// <param name="name">The dispaly name of the property</param>
/// <param name="description">The description of the property</param>
/// <param name="category">The category of the property</param>
public Property(IProvideEditableProperties provideEditableProperties, Expression <Func <T> > property, string name,
string description, string category)
{
_provideEditableProperties = provideEditableProperties;
Name = name;
Description = description;
Category = category;
_propertyInfo = (PropertyInfo)((MemberExpression)property.Body).Member;
}
/// <summary>
/// Register a new property for the <see cref="IProvideEditableProperties" />
/// </summary>
/// <typeparam name="T">The type of the property</typeparam>
/// <param name="provideEditableProperties">
/// The <see cref="IProvideEditableProperties" /> the property should be registered
/// to
/// </param>
/// <param name="property">The expression which points to the property</param>
/// <param name="name">The display name of the property</param>
/// <param name="description">The description of the property</param>
/// <param name="category">The category of the property</param>
/// <returns>Returns the <see cref="provideEditableProperties" /> to allow the fluent usage of this method</returns>
public static IProvideEditableProperties RegisterProperty <T>(
this IProvideEditableProperties provideEditableProperties,
Expression <Func <T> > property,
[LocalizationRequired] string name, [LocalizationRequired] string description,
[LocalizationRequired] string category)
{
provideEditableProperties.Properties.Add(new Property <T>(provideEditableProperties, property, name,
description, category));
return(provideEditableProperties);
}
private void PropertiesProviderChanged(IProvideEditableProperties propertiesProvider)
{
if (propertiesProvider != null)
{
InitializeProperties(propertiesProvider.Properties);
}
else
{
Properties = null;
}
SelectedPropertyItem = null;
}
/// <summary>
/// Initialize <see cref="Property{T}" />
/// </summary>
/// <param name="provideEditableProperties">The object which has the property</param>
/// <param name="property">The property</param>
/// <param name="name">The dispaly name of the property</param>
/// <param name="description">The description of the property</param>
/// <param name="category">The category of the property</param>
public Property(IProvideEditableProperties provideEditableProperties, Expression <Func <T> > property, string name,
string description, string category)
{
_provideEditableProperties = provideEditableProperties;
Name = name;
Description = description;
Category = category;
var memberExpression = (MemberExpression)property.Body;
_propertyInfo = (PropertyInfo)memberExpression.Member;
var expr = memberExpression.Expression;
var memberInfos = new Stack <MemberInfo>();
// https://stackoverflow.com/a/3954131/4166138
// "descend" toward's the root object reference:
while (expr is MemberExpression)
{
var memberExpr = expr as MemberExpression;
memberInfos.Push(memberExpr.Member);
expr = memberExpr.Expression;
}
// fetch the root object reference:
var constExpr = expr as ConstantExpression;
var objReference = constExpr.Value;
// "ascend" back whence we came from and resolve object references along the way:
while (memberInfos.Count > 0) // or some other break condition
{
var mi = memberInfos.Pop();
if (mi.MemberType == MemberTypes.Property)
{
objReference = objReference.GetType()
.GetProperty(mi.Name)
.GetValue(objReference, null);
}
else if (mi.MemberType == MemberTypes.Field)
{
objReference = objReference.GetType()
.GetField(mi.Name)
.GetValue(objReference);
}
}
_propertyProvidingObject = objReference;
}
public PropertyGridSettingsViewModel(IProvideEditableProperties propertiesProvider)
{
PropertiesProvider = propertiesProvider;
}
/// <summary>
/// Register a new property for the <see cref="IProvideEditableProperties" />
/// </summary>
/// <typeparam name="T">The type of the property</typeparam>
/// <param name="provideEditableProperties">
/// The <see cref="IProvideEditableProperties" /> the property should be registered
/// to
/// </param>
/// <param name="property">The expression which points to the property</param>
/// <param name="name">The display name of the property</param>
/// <param name="description">The description of the property</param>
/// <param name="category">The category of the property</param>
/// <returns>Returns the <see cref="provideEditableProperties" /> to allow the fluent usage of this method</returns>
public static IProvideEditableProperties RegisterProperty <T>(this IProvideEditableProperties provideEditableProperties,
Expression <Func <T> > property, string name, string description, string category)
{
provideEditableProperties.Properties.Add(new Property <T>(provideEditableProperties, property, name, description, category ?? Tx.T("TasksInfrastructure:CreateTask.Common")));
return(provideEditableProperties);
}
