432 				getCommandHandler: function(command, scope){  argument
435 						if(command){
436 							return scopeObject.prototype.findHandler(command);  argument
535 		findHandler: function (command) {  argument
538 			var hash = shortcuts.getHash(command);
543 		doAction: function (command, e) {  argument
544 			var handler = this.findHandler(command);
548 				if(eventFacade.callEvent("onBeforeAction", [command, e]) === false){
626 				var command = this.createCommand();
630 						command.modifiers[words[j]] = true;
632 						command.keyCode = this.specialKeys[words[j]];
634 						command.keyCode = words[j].charCodeAt(0);
638 				commands.push(command);
644 			var command = this.createCommand();
645 			command.modifiers.shift = !!domEvent.shiftKey;
646 			command.modifiers.alt = !!domEvent.altKey;
647 			command.modifiers.ctrl = !!domEvent.ctrlKey;
648 			command.modifiers.meta = !!domEvent.metaKey;
649 			command.keyCode = domEvent.which || domEvent.keyCode;
651 			if(command.keyCode >= 96 && command.keyCode <= 105){
653 				command.keyCode -= 48;//convert numpad  number code to regular number code
656 			var printableKey = String.fromCharCode(command.keyCode);
658 				command.keyCode = printableKey.toLowerCase().charCodeAt(0);
660 			return command;
667 		getHash: function (command) {  argument
669 			for (var i in command.modifiers) {
670 				if (command.modifiers[i]) {
674 			parts.push(command.keyCode);
910 			var command = gantt.$keyboardNavigation.shortcuts.getCommandFromEvent(e);
914 			if(eventFacade.callEvent("onKeyDown", [command, e]) === false){
920 			} else if (activeElement.findHandler(command)) {
921 				activeElement.doAction(command, e);
922 			} else if (ganttNode.findHandler(command)) {
923 				ganttNode.doAction(command, e);