public RegisteredCommandElement(CommandManager commandManager, UIElement sourceElement, KeyShortcutCollection keyShortcutCollection, object target)
{
if (commandManager == null)
{
throw new ArgumentNullException(nameof(commandManager));
}
if (sourceElement == null)
{
throw new ArgumentNullException(nameof(sourceElement));
}
if (keyShortcutCollection == null)
{
throw new ArgumentNullException(nameof(keyShortcutCollection));
}
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
this.commandManager = commandManager;
this.weakSourceElement = new WeakReference(sourceElement);
this.weakTarget = new WeakReference(target);
this.keyShortcutCollection = keyShortcutCollection;
this.commandTargetInfos = new List <CommandTargetFilterInfo>();
CommandTarget = new CommandTargetCollection(this);
sourceElement.PreviewKeyDown += SourceElement_PreviewKeyDown;
sourceElement.PreviewTextInput += SourceElement_PreviewTextInput;
}
public IRegisteredCommandElement Register(UIElement sourceElement, object target)
{
if (sourceElement == null)
{
throw new ArgumentNullException(nameof(sourceElement));
}
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
var coll = new KeyShortcutCollection();
foreach (var provider in commandInfoProviders)
{
coll.Add(provider.Value, target);
}
var cmdElem = new RegisteredCommandElement(this, sourceElement, coll, target);
foreach (var c in commandTargetFilterProviders)
{
var filter = c.Value.Create(target);
if (filter == null)
{
continue;
}
cmdElem.AddFilter(filter, c.Metadata.Order);
}
return(cmdElem);
}
public IRegisteredCommandElement Register(UIElement sourceElement, object target) {
if (sourceElement == null)
throw new ArgumentNullException(nameof(sourceElement));
if (target == null)
throw new ArgumentNullException(nameof(target));
var coll = new KeyShortcutCollection();
foreach (var provider in commandInfoProviders)
coll.Add(provider.Value, target);
var cmdElem = new RegisteredCommandElement(this, sourceElement, coll, target);
foreach (var c in commandTargetFilterProviders) {
var filter = c.Value.Create(target);
if (filter == null)
continue;
cmdElem.AddFilter(filter, c.Metadata.Order);
}
return cmdElem;
}
