patch-keyboard-embedded_value_manager

if (typeof(KONtx.control.Keyboard._createValueManager) == "undefined") {
	KONtx.control.Keyboard.implement({
		initialize: function () {
			if (this.config.manageValue !== false) {
				this._createValueManager();
				this.parent();
				this._remapKeyboardEvents();
				this._remapKeyboardMethods();
			} else {
				this.parent();
			}
		},
		_createValueManager: function () {
			this._valueManager = new KeyboardInput.KeyboardValueManager({
				maxLength: this.config.maxLength
			});
			this._valueManager.addEventListener("valuechanged", function (event) {
				this.fire("onValueChanged", { value: event.payload.value });
			}.bindTo(this));
		},
		_remapKeyboardEvents: function () {
			this.__keyboard.onKeyDown = function (event) {
				if (event.keyCode == 9) {
					var spaces = '    ';
					this._valueManager.insertCharacters(spaces);
					this._valueManager.cursorPosition = this._valueManager.cursorPosition + spaces.length;
				} else {
					this._valueManager.handleExternalKeyInput({type: event.type, payload: event});
				}
				this.fire('onKeyDown', event, (event.type ? event : null));
			}.bindTo(this);
		},
		_remapKeyboardMethods: function () {
			var self = this;
			this.__keyboard.getValue = function () {
				return self._valueManager.value;
			};
			this.__keyboard.setValue = function (value) {
				self._valueManager.value = value;
			};
			this.__keyboard.clearValue = function (value) {
				self._valueManager.value = "";
				self._valueManager.cursorPosition = 0;
			};
			this.__keyboard.appendToValue = function (value) {
				self._valueManager.insertCharacters(value);
				self._valueManager.cursorPosition = self._valueManager.cursorPosition + value.length;
			};
		}
	});
}