/// <summary>
/// Attempts to find the dependency or attached property with the specified name.
/// </summary>
/// <param name="state">The expression compiler's current state.</param>
/// <param name="name">The name of the dependency or attached property to retrieve.</param>
/// <param name="ownerType">The type that references the dependency or attached property.</param>
/// <returns>The <see cref="DependencyProperty"/> referred to by the specified name, or <see langword="null"/> if there is no such dependency property.</returns>
private static DependencyProperty FindDependencyOrAttachedPropertyByName(IExpressionCompilerState state, String name, Type ownerType)
{
if (ExpressionUtil.IsAttachedProperty(name, out var container, out var property))
{
if (!state.GetKnownType(container, out var containerType))
return null;
return DependencyProperty.FindByName(property, containerType);
}
return DependencyProperty.FindByName(name, ownerType);
}
/// <summary>
/// Writes the source code for an individual data source wrapper class.
/// </summary>
private static void WriteSourceCodeForDataSourceWrapperClass(RoslynExpressionCompilerState state,
DataSourceWrapperInfo dataSourceWrapperInfo, DataSourceWrapperWriter writer)
{
// Class declaration
writer.WriteLine("// Generated by the UPF Binding Expression Compiler, version {0}", FileVersionInfo.GetVersionInfo(Assembly.GetExecutingAssembly().Location).FileVersion);
writer.WriteLine("[System.CLSCompliant(false)]");
writer.WriteLine("[Ultraviolet.Presentation.WrappedDataSource(typeof({0}))]", CSharpLanguage.GetCSharpTypeName(dataSourceWrapperInfo.DataSourceType));
writer.WriteLine("public sealed partial class {0} : {1}", dataSourceWrapperInfo.DataSourceWrapperName, CSharpLanguage.GetCSharpTypeName(typeof(CompiledDataSourceWrapper)));
writer.WriteLine("{");
// Constructors
writer.WriteLine("#region Constructors");
writer.WriteConstructor(dataSourceWrapperInfo);
writer.WriteLine("#endregion");
writer.WriteLine();
// IDataSourceWrapper
writer.WriteLine("#region IDataSourceWrapper");
writer.WriteIDataSourceWrapperImplementation(dataSourceWrapperInfo);
writer.WriteLine("#endregion");
writer.WriteLine();
// Methods
writer.WriteLine("#region Methods");
var methods = dataSourceWrapperInfo.DataSourceType.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static);
foreach (var method in methods)
{
if (!ExpressionUtil.NeedsWrapper(method))
{
continue;
}
writer.WriteWrapperMethod(method);
}
writer.WriteLine("#endregion");
writer.WriteLine();
// Properties
writer.WriteLine("#region Properties");
var properties = dataSourceWrapperInfo.DataSourceType.GetProperties(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static);
foreach (var property in properties)
{
if (!ExpressionUtil.NeedsWrapper(property))
{
continue;
}
writer.WriteWrapperProperty(property);
}
writer.WriteLine("#endregion");
writer.WriteLine();
// Fields
writer.WriteLine("#region Fields");
var fields = dataSourceWrapperInfo.DataSourceType.GetFields(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static);
foreach (var field in fields)
{
if (!ExpressionUtil.NeedsWrapper(field))
{
continue;
}
writer.WriteWrapperProperty(field);
}
writer.WriteLine("#endregion");
writer.WriteLine();
// Expressions
writer.WriteLine("#region Expressions");
for (int i = 0; i < dataSourceWrapperInfo.Expressions.Count; i++)
{
var expressionInfo = dataSourceWrapperInfo.Expressions[i];
writer.WriteExpressionProperty(state, dataSourceWrapperInfo, expressionInfo, i);
}
writer.WriteLine("#endregion");
writer.WriteLine();
// Special-case binding delegates
writer.WriteLine("#region Binding Delegates");
if (typeof(Controls.ContentControl).IsAssignableFrom(dataSourceWrapperInfo.DataSourceType))
{
// ContentControl
writer.WriteLine("public static readonly DataBindingGetter<System.Object> __GetContent = " +
"new DataBindingGetter<System.Object>(vm => (({0})vm).Content);", dataSourceWrapperInfo.DataSourceWrapperName);
writer.WriteLine("public static readonly DataBindingGetter<System.String> __GetContentStringFormat = " +
"new DataBindingGetter<System.String>(vm => (({0})vm).ContentStringFormat);", dataSourceWrapperInfo.DataSourceWrapperName);
writer.WriteLine("public static readonly DataBindingSetter<System.Object> __SetContent = " +
"new DataBindingSetter<System.Object>((vm, value) => (({0})vm).Content = value);", dataSourceWrapperInfo.DataSourceWrapperName);
writer.WriteLine("public static readonly DataBindingSetter<System.String> __SetContentStringFormat = " +
"new DataBindingSetter<System.String>((vm, value) => (({0})vm).ContentStringFormat = value);", dataSourceWrapperInfo.DataSourceWrapperName);
}
writer.WriteLine("#endregion");
// Class complete
writer.WriteLine("}");
}
