private static void BindInternal(string?oldValue, string?newValue, IBinderControllable binder, DependencyObject affectedPart)
{
_isIn = true;
if (oldValue != null)
{
binder.CleanUp(NamePrefix + oldValue);
}
if (newValue == null)
{
return;
}
var name = NamePrefix + newValue;
if (newValue != null && newValue.Contains(':'))
{
var vals = newValue.Split(new[] { ':' }, 2);
newValue = vals[1];
var command = Find(vals[0]);
if (command != null)
{
SetTargetCommand(affectedPart, command);
}
}
else if (GetTargetCommand(affectedPart) == null && newValue != null)
{
var command = Find(newValue);
if (command != null)
{
SetTargetCommand(affectedPart, command);
}
}
else
{
var command = GetTargetCommand(affectedPart);
if (command is RoutedCommand routedCommand)
{
name = NamePrefix + routedCommand.Name;
}
else
{
name = NamePrefix + command;
}
}
var newlinker = new CommandLinker {
CommandTarget = newValue
};
binder.Register(name, newlinker, affectedPart);
_isIn = false;
}
public CommandLinkerTest()
{
_commandLinker = new CommandLinker(typeof(CommandStubMain).GetTypeInfo().Assembly);
}
private static void OnCommandChanged([NotNull] DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (DesignerProperties.GetIsInDesignMode(d)) return;
_isIn = true;
var real = e.NewValue as string;
if (real != null && real.Contains(':'))
{
string[] vals = real.Split(new[] {':'}, 2);
real = vals[1];
RoutedCommand command = Find(vals[0]);
if (command != null) SetTargetCommand(d, command);
}
else if (GetTargetCommand(d) == null && real != null)
{
RoutedCommand command = Find(real);
if (command != null) SetTargetCommand(d, command);
}
foreach (CommandLinker linker in LinkerCollection.Where(linker => Equals(linker.Target, d)))
{
linker.CommandTarget = real;
linker.Bind();
return;
}
var newlinker = new CommandLinker(d) {CommandTarget = real};
LinkerCollection.Add(newlinker);
newlinker.Bind();
_isIn = false;
}
