public static IBinding <TView, TContext> TwoWay(
string propertyName, Func <TContext, TValue> getContextValue, Action <TView, TValue> setViewValue,
Action <TContext, TValue> setContextValue, Func <TView, TValue> getViewValue, EventInfo eventInfo)
{
var viewUpdater = new ViewUpdater(getContextValue, setViewValue);
var contextUpdater = new ContextUpdater(setContextValue, getViewValue, eventInfo);
return(new Binding <TView, TContext, TValue>(propertyName, contextUpdater, viewUpdater));
}
/// <summary>
/// Commits all added file systems using <paramref name="contextFileSystem"/> to
/// store the <see cref="Context"/>.
/// </summary>
/// <param name="contextFileSystem">The file system where the commit context will be stored.</param>
/// <returns>The <see cref="Result"/> of the operation.</returns>
private Result Commit(IFileSystem contextFileSystem)
{
ContextUpdater context = default;
try
{
Counter = 1;
context = new ContextUpdater(contextFileSystem);
Result rc = context.Create(Counter, FileSystems.Count);
if (rc.IsFailure())
{
return(rc);
}
rc = CommitProvisionallyFileSystem(Counter);
if (rc.IsFailure())
{
return(rc);
}
rc = context.CommitProvisionallyDone();
if (rc.IsFailure())
{
return(rc);
}
rc = CommitFileSystem();
if (rc.IsFailure())
{
return(rc);
}
rc = context.CommitDone();
if (rc.IsFailure())
{
return(rc);
}
}
finally
{
context.Dispose();
}
return(Result.Success);
}
public static IBinding <TView, TContext> OneWayToSource(Action <TContext, TValue> setContextValue, Func <TView, TValue> getViewValue, EventInfo eventInfo)
{
var contextUpdater = new ContextUpdater(setContextValue, getViewValue, eventInfo);
return(new Binding <TView, TContext, TValue>(string.Empty, contextUpdater, null));
}
Binding(string propertyName, ContextUpdater contextUpdater, ViewUpdater viewUpdater)
{
this.PropertyName = propertyName ?? throw new ArgumentNullException(propertyName);
this.viewUpdater = viewUpdater;
this.contextUpdater = contextUpdater;
}
