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;
 }
Example #2
0
        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);
        }
Example #3
0
		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;
		}