ko.datetimepicker.js

ko.bindingHandlers.datetimepicker = {
    init: function (element, valueAccessor, allBindingsAccessor) {
        var options = allBindingsAccessor().datetimepickerOptions || {};
        $(element).datetimepicker(options);

        //handle the field changing
/*        ko.utils.registerEventHandler(element, "change", function () {
            var observable = valueAccessor();
            observable(moment($(element).datetimepicker("getValue"), "YYYY-MM-DD HH:mm"));
        });*/

        //handle disposal (if KO removes by the template binding)
        ko.utils.domNodeDisposal.addDisposeCallback(element, function () {
            $(element).datetimepicker("destroy");
        });
    }
};

ko.bindingHandlers.enableDisable = {
    init: function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
        ko.bindingHandlers.enableDisable.update(element,valueAccessor);
    },
    update: function (element, valueAccessor) {
        var enabledDates =   valueAccessor()();
        //apply disabled dates
        $(element).data("DateTimePicker").enabledDates(enabledDates);
    }
}

ko.bindingHandlers.datepicker = {
    init: function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
        //initialize datepicker with some optional options
        var options = allBindingsAccessor().datepickerOptions || {};

        $(element).datetimepicker(options);

        //when a user changes the date, update the view model
        ko.utils.registerEventHandler(element, "dp.change", function (event) {
            var value = valueAccessor();
            if (ko.isObservable(value)) {
                value(event.date);
            }
        });

        var defaultVal = $(element).val();
        var value = valueAccessor();
        value(moment(defaultVal, options.format));
    },
    update: function (element, valueAccessor) {
        var widget = $(element).data("datepicker");
        //when the view model is updated, update the widget
        if (widget) {
            widget.date = ko.utils.unwrapObservable(valueAccessor());
            if (widget.date) {
                widget.setValue();
            }
        }
    }
};