Lidarr/NzbDrone.Web/Scripts/conditional-validation.js

/// <reference path="jquery-1.4.4-vsdoc.js" />
/// <reference path="jquery.validate.unobtrusive.js" />

$.validator.addMethod('requiredif',
    function (value, element, parameters) {
        var id = '#' + parameters['dependentproperty'];

        // get the target value (as a string, 
        // as that's what actual value will be)
        var targetvalue = parameters['targetvalue'];
        targetvalue =
          (targetvalue == null ? '' : targetvalue).toString();

        // get the actual value of the target control
        // note - this probably needs to cater for more 
        // control types, e.g. radios
        var control = $(id);
        var controltype = control.attr('type');
        var actualvalue =
            controltype === 'checkbox' ?
            (control.attr('checked') == "checked" ? "true" : "false") :
            control.val();

        // if the condition is true, reuse the existing 
        // required field validator functionality
        if (targetvalue === actualvalue)
            return $.validator.methods.required.call(
              this, value, element, parameters);

        return true;
    }
);

$.validator.unobtrusive.adapters.add(
    'requiredif',
    ['dependentproperty', 'targetvalue'],
    function (options) {
        options.rules['requiredif'] = {
            dependentproperty: options.params['dependentproperty'],
            targetvalue: options.params['targetvalue']
        };
        options.messages['requiredif'] = options.message;
});


$.validator.addMethod('requiredifany',
    function (value, element, parameters) {

        console.log(parameters['dependentproperties']);
        console.log(parameters['targetvalues']);

        var dependentProperties = parameters['dependentproperties'].split('|');
        var targetValues = parameters['targetvalues'].split('|');

        for (var i = 0; i < dependentProperties.length; i++) {
            var id = '#' + dependentProperties[i];

            // get the target value (as a string, 
            // as that's what actual value will be)
            var targetvalue = targetValues[i];
            targetvalue =
                (targetvalue == null ? '' : targetvalue).toString();

            // get the actual value of the target control
            // note - this probably needs to cater for more 
            // control types, e.g. radios
            var control = $(id);
            var controltype = control.attr('type');
            var actualvalue =
                controltype === 'checkbox' ?
                    (control.attr('checked') == "checked" ? "true" : "false") :
                    control.val();

            // if the condition is true, reuse the existing 
            // required field validator functionality
            if (targetvalue === actualvalue)
                return $.validator.methods.required.call(
                    this, value, element, parameters);
        }
        return true;
    }
);

    $.validator.unobtrusive.adapters.add(
    'requiredifany',
    ['dependentproperties', 'targetvalues'],
    function (options) {
        options.rules['requiredifany'] = {
            dependentproperties: options.params['dependentproperties'],
            targetvalues: options.params['targetvalues']
        };
        options.messages['requiredifany'] = options.message;
    });