all files / main/ Form.js

68.81% Statements 300/436
41.54% Branches 81/195
64.2% Functions 52/81
68.74% Lines 299/435
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                                                                                                                                                                                                                                                                                           
'use strict';
 
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.EVENT_FORM_AJAX_COMPLETED = exports.EVENT_FORM_AFTER_AJAX_SUBMIT = exports.EVENT_FORM_SUBMIT = exports.EVENT_FORM_READY = undefined;
 
var _keys = require('babel-runtime/core-js/object/keys');
 
var _keys2 = _interopRequireDefault(_keys);
 
var _from = require('babel-runtime/core-js/array/from');
 
var _from2 = _interopRequireDefault(_from);
 
var _stringify = require('babel-runtime/core-js/json/stringify');
 
var _stringify2 = _interopRequireDefault(_stringify);
 
var _assign = require('babel-runtime/core-js/object/assign');
 
var _assign2 = _interopRequireDefault(_assign);
 
var _promise = require('babel-runtime/core-js/promise');
 
var _promise2 = _interopRequireDefault(_promise);
 
var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');
 
var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
 
var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
 
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
 
var _createClass2 = require('babel-runtime/helpers/createClass');
 
var _createClass3 = _interopRequireDefault(_createClass2);
 
var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');
 
var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
 
var _get2 = require('babel-runtime/helpers/get');
 
var _get3 = _interopRequireDefault(_get2);
 
var _inherits2 = require('babel-runtime/helpers/inherits');
 
var _inherits3 = _interopRequireDefault(_inherits2);
 
var _Tooltip = require('./Tooltip');
 
var _Tooltip2 = _interopRequireDefault(_Tooltip);
 
require('isomorphic-fetch');
 
var _Event = require('./util/Event');
 
var _Event2 = _interopRequireDefault(_Event);
 
var _Util = require('./util/Util');
 
var _Util2 = _interopRequireDefault(_Util);
 
var _Settings = require('./util/Settings');
 
var _Settings2 = _interopRequireDefault(_Settings);
 
var _DestroyableWidget2 = require('./DestroyableWidget');
 
var _DestroyableWidget3 = _interopRequireDefault(_DestroyableWidget2);
 
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
/* global HTMLFormElement, fetch, FormData, clearTimeout, NodeList */
 
/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 David Heidrich, BowlingX <me@bowlingx.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
 
/*!
 * FlexCss.Form
 * Licensed under the MIT License (MIT)
 * Copyright (c) 2015 David Heidrich, BowlingX <me@bowlingx.com>
 */
 
var LOADING_CLASS = 'loading';
var DATA_ELEMENT_INVALID = 'data-flexcss-invalid';
var REMOTE = 'data-remote';
var REMOTE_ACTION = 'data-remote-action';
var ATTR_DISABLE_INLINE = 'data-disable-inline-validation';
var ATTR_DISABLE_REALTIME = 'data-disable-realtime-validation';
var ATTR_VALIDATOR = 'data-validate';
var ATTR_DATA_CUSTOM_MESSAGE = 'data-validation-message';
var ATTR_DATA_CUSTOM_LABEL = 'data-custom-label';
var ATTR_VALIDATE_VISIBILITY = 'data-validate-visibility';
var ATTR_ERROR_TARGET_ID = 'data-error-target';
var ATTR_DEPENDS = 'data-depends-selector';
var CONST_USE_JSON = 'json';
var CONST_REALTIME_EVENT = 'input';
var FOCUS_TOOLTIP_DELAY = 20;
var CLICK_TOOLTIP_DELAY = 150;
 
/**
 * Triggered when form is fully initialized and handlers are binded
 * @type {string}
 */
var EVENT_FORM_READY = exports.EVENT_FORM_READY = 'flexcss.form.ready';
/**
 * Fires when a form is submitted, cancelable
 * @type {string}
 */
var EVENT_FORM_SUBMIT = exports.EVENT_FORM_SUBMIT = 'flexcss.form.submit';
/**
 * Fired directly after the form has been submitted via ajax
 * @type {string}
 */
var EVENT_FORM_AFTER_AJAX_SUBMIT = exports.EVENT_FORM_AFTER_AJAX_SUBMIT = 'flexcss.form.afterAjaxSubmit';
/**
 * Fired when ajax events did complete
 * @type {string}
 */
var EVENT_FORM_AJAX_COMPLETED = exports.EVENT_FORM_AJAX_COMPLETED = 'flexcss.form.ajaxCompleted';
 
/**
 * A HTML5 Form Validation replacement
 */
 
var Form = function (_DestroyableWidget) {
    (0, _inherits3.default)(Form, _DestroyableWidget);
 
    /**
     * @param {HTMLElement} form
     * @param [options] optional options
     */
    function Form(form, options) {
        (0, _classCallCheck3.default)(this, Form);
 
        var _this = (0, _possibleConstructorReturn3.default)(this, (Form.__proto__ || (0, _getPrototypeOf2.default)(Form)).call(this));
 
        Iif (!(form instanceof HTMLFormElement)) {
            throw new Error('argument {0} form needs to be an form element');
        }
 
        /**
         * The Form
         * @type {HTMLElement}
         */
        _this.form = form;
 
        /**
         * @type {Tooltip}
         */
        _this.tooltips = null;
 
        /**
         * @type {Promise}
         */
        _this.currentValidationFuture = new _promise2.default(function () {});
 
        /**
         * Default options
         * @type {Object}
         */
        _this.options = {
            // if true creates tooltips above element, uses FlexCss Tooltips
            createTooltips: true,
            // if true appends error message after input element
            appendError: false,
            // type of ajax submit
            ajaxSubmitType: 'POST',
            // json content type if ajax method is set to json
            ajaxJsonContentType: 'application/json; charset=utf-8',
            // allow inline validation
            inlineValidation: true,
            // validate in realtime (on `input` event)
            realtime: true,
            // timeout when realtime event should be captured
            realtimeTimeout: 250,
            // formatting method for an error
            formatErrorTooltip: function formatErrorTooltip(error) {
                return '<i class="icon-attention"></i> ' + error;
            },
            // the class that will be put on the element to mark it failed validation
            inputErrorClass: 'invalid',
            // the container class for error messages below an element
            containerErrorClass: 'form-error',
            // additional options for fetch
            fetchOptions: {
                credentials: 'include'
            },
            // the container for tooltips
            tooltipContainer: form,
            tooltipOptions: {
                containerClass: 'error-tooltip'
            },
            shouldScrollToElement: true,
            // if you have a fixed header, either set a number or function here
            scrollToElementDiff: 0
        };
 
        // overwrite default options
        (0, _assign2.default)(_this.options, options);
 
        // apply settings from attributes
        _Util2.default.applyOptionsFromElement(form, _this.options);
 
        // set form class as widget
        // Forms are very different to classical widgets,
        // we will not use our base widget class for this but just self
        form.hfWidgetInstance = _this;
 
        /**
         * A List of Validators
         * @type {Object}
         * @private
         */
        _this._validators = Form.globalValidators;
 
        /**
         * @type {Function}
         * @private
         */
        _this._remoteValidationFunction = null;
 
        _this.initFormValidation();
        return _this;
    }
 
    (0, _createClass3.default)(Form, [{
        key: 'destroy',
        value: function destroy() {
            (0, _get3.default)(Form.prototype.__proto__ || (0, _getPrototypeOf2.default)(Form.prototype), 'destroy', this).call(this);
            if (this.tooltips) {
                this.tooltips.destroy();
            }
        }
 
        /**
         * Submits this form, either via ajax or just classical (default)
         * @param {HTMLFormElement} thisForm
         * @param {Event} e
         * @private
         * @returns {Promise|boolean} returns false if submit is cancled
         */
 
    }, {
        key: '_submitFunction',
        value: function _submitFunction(thisForm, e) {
            var self = this;
            var shouldUseAjax = thisForm.getAttribute(REMOTE);
            var ajaxPostUrl = thisForm.getAttribute(REMOTE_ACTION) || thisForm.getAttribute('action') || window.location.href;
 
            var useJson = CONST_USE_JSON === shouldUseAjax;
 
            var ev = _Event2.default.dispatch(thisForm, EVENT_FORM_SUBMIT).withOriginal(e).fire();
 
            // abort execution is event was prevented
            if (ev.defaultPrevented) {
                self._formStopLoading();
                return false;
            }
 
            Iif (shouldUseAjax === null) {
                // submit
                return thisForm.submit();
            }
            // prevent form from submit normally
            e.preventDefault();
 
            // add information that this is an XMLHttpRequest request (used by some frameworks)
            var defaultHeaders = {
                'X-Requested-With': 'XMLHttpRequest'
            };
 
            // setup default headers
            Eif (useJson) {
                (0, _assign2.default)(defaultHeaders, {
                    'Content-Type': this.options.ajaxJsonContentType
                });
            }
            var defaultOptions = (0, _assign2.default)(this.options.fetchOptions, {
                headers: defaultHeaders,
                method: this.options.ajaxSubmitType
            });
 
            // support either JSON request payload or normal payload submission
            var serverCall = useJson ? fetch(ajaxPostUrl, (0, _assign2.default)(defaultOptions, {
                body: (0, _stringify2.default)(this.serialize())
            })) : fetch(ajaxPostUrl, (0, _assign2.default)(defaultOptions, {
                body: new FormData(thisForm)
            }));
 
            _Event2.default.dispatch(thisForm, EVENT_FORM_AFTER_AJAX_SUBMIT).withOriginal(e).fire();
 
            return serverCall.then(function (r) {
                (self._remoteValidationFunction || Form.globalRemoteValidationFunction).apply(self, [r]);
 
                _Event2.default.dispatch(thisForm, EVENT_FORM_AJAX_COMPLETED).withOriginal(e).withDetail({ response: r }).fire();
                // always remove error class
                self._formStopLoading();
            });
        }
 
        /**
         * Serializes a form to a json object
         * @returns {Object}
         */
 
    }, {
        key: 'serialize',
        value: function serialize() {
            var selectors = ['input[name]:not([type="radio"]):enabled', 'input[type="radio"][name]:checked', 'select[name]:enabled', 'textarea[name]:enabled'];
            var inputs = this.form.querySelectorAll(selectors.join(','));
            var result = {};
 
            Array.prototype.forEach.call(inputs, function (input) {
                var exists = result[input.name];
                var value = input.value;
                if (exists instanceof Array) {
                    exists.push(value);
                } else if (exists) {
                    result[input.name] = [result[input.name], value];
                } else {
                    result[input.name] = value;
                }
            });
 
            return result;
        }
 
        /**
         * Handles the chain of validation on given fields
         *
         * @param {HTMLElement|Array|NodeList} field
         * @param [focus] optional focus first error
         * @returns {Promise}
         */
 
    }, {
        key: 'handleValidation',
        value: function handleValidation(field, focus) {
            var _this2 = this;
 
            var fields = field instanceof Array || field instanceof NodeList ? field : [field];
            return this._handleValidation(fields, focus, true).then(function (r) {
                if (!r.foundAnyError) {
                    // remove tooltips
                    if (_this2.tooltips) {
                        _this2.tooltips.removeTooltip();
                    }
                }
                return r;
            });
        }
 
        /**
         * Handles errors on given node list
         * @param {NodeList} toValidateFields
         * @param {boolean} focus
         * @param {boolean} scoped if true, will only validate the fields `invalidFields`
         * @returns {Promise}
         * @private
         */
 
    }, {
        key: '_handleValidation',
        value: function _handleValidation(toValidateFields, focus, scoped) {
            var self = this;
            var arr = Form._createArrayFromInvalidFieldList(toValidateFields);
            var isLocalInvalid = arr.length > 0;
 
            // focus must appear in the same frame for iOS devices
            Eif (isLocalInvalid && focus) {
                self._focusElement(arr[0]);
            }
 
            var validation = scoped ? this._customValidationsForElements(toValidateFields) : self.validateCustomFields();
            return validation.then(function (r) {
                Eif (isLocalInvalid) {
                    // combine browser and custom validators
                    r.foundAnyError = true;
                }
                // get a unique field list of all fields that need to be checked and rendered
                // it's possible that we have duplicates in non scoped mode
                var thisToValidateFields = scoped ? toValidateFields : (0, _from2.default)(arr).concat(r.checkedFields);
                r.checkedFields = thisToValidateFields;
                var foundInvalidFields = self.prepareErrors(thisToValidateFields, false);
                var firstInvalidField = foundInvalidFields[0];
                Eif (firstInvalidField) {
                    Eif (focus) {
                        self._focusElement(firstInvalidField);
                        // if element could not be focused:
                        Eif (document.activeElement !== firstInvalidField) {
                            self._handleTooltipHideClickAfterChange();
                        }
                    } else {
                        self._handleTooltipHideClickAfterChange();
                    }
                    self.showAndOrCreateTooltip(firstInvalidField);
                }
                return r;
            });
        }
 
        /**
         * @param {HTMLElement} field
         * @param {ValidityState} validity
         * @returns {*}
         * @private
         */
 
    }, {
        key: '_setupErrorMessages',
        value: function _setupErrorMessages(field, validity) {
            return Form.globalErrorMessageHandler ? Form.globalErrorMessageHandler.apply(this, [field, validity]) : false;
        }
 
        /**
         * Handles class labels for elements
         * @param {Object} fields
         * @private
         */
 
    }, {
        key: '_handleLabels',
        value: function _handleLabels(fields) {
            var _this3 = this;
 
            (0, _keys2.default)(fields).forEach(function (id) {
                var labels = _this3.getForm().querySelectorAll('[for="' + id + '"]');
                var invalid = fields[id];
                if (labels.length) {
                    for (var labelsIndex = 0; labelsIndex < labels.length; labelsIndex++) {
                        var labelEl = labels[labelsIndex];
                        // we can't use toggle attribute, not supported in IE
                        if (invalid) {
                            _this3._markElementInvalid(labelEl);
                        } else {
                            _this3._markElementValid(labelEl);
                        }
                    }
                }
            });
        }
 
        /**
         * @param el
         * @private
         */
 
    }, {
        key: '_markElementInvalid',
        value: function _markElementInvalid(el) {
            el.setAttribute(DATA_ELEMENT_INVALID, "true");
            el.classList.add(this.options.inputErrorClass);
        }
 
        /**
         * @param el
         * @private
         */
 
    }, {
        key: '_markElementValid',
        value: function _markElementValid(el) {
            el.removeAttribute(DATA_ELEMENT_INVALID);
            el.classList.remove(this.options.inputErrorClass);
        }
 
        /**
         * A List of invalid elements (:invalid)
         * @returns {Array}
         * @private
         */
 
    }, {
        key: '_getInvalidElements',
        value: function _getInvalidElements() {
            return Array.prototype.filter.call(this.getForm().querySelectorAll(":invalid"), function (r) {
                return !(r instanceof HTMLFieldSetElement);
            });
        }
 
        /**
         * @param {HTMLElement} thisParent
         * @private
         */
 
    }, {
        key: '_removeElementErrors',
        value: function _removeElementErrors(thisParent) {
            var errors = thisParent.querySelectorAll('.' + this.options.containerErrorClass);
            var inputsWithErrorClasses = thisParent.querySelectorAll('[' + DATA_ELEMENT_INVALID + ']');
            for (var elementErrorIndex = 0; elementErrorIndex < errors.length; elementErrorIndex++) {
                errors[elementErrorIndex].parentNode.removeChild(errors[elementErrorIndex]);
            }
            for (var inputErrorIndex = 0; inputErrorIndex < inputsWithErrorClasses.length; inputErrorIndex++) {
                var el = inputsWithErrorClasses[inputErrorIndex];
                this._markElementValid(el);
            }
        }
 
        /**
         * Registers a custom validator
         * @param {String} name
         * @param {Function} validator a validation function should always return either a Future(true) or Future(false)
         * even when the field has been invalidated with `setCustomValidity`, because of different browser `bugs`
         * we can't rely on that
         * @returns {Form}
         */
 
    }, {
        key: 'registerValidator',
        value: function registerValidator(name, validator) {
            this._validators[name] = validator;
            return this;
        }
 
        /**
         * Runs async validation
         * @param {String} validationRef
         * @param {HTMLElement} field
         * @returns {Promise}
         * @private
         */
 
    }, {
        key: '_runValidation',
        value: function _runValidation(validationRef, field) {
            Iif (!this._validators[validationRef]) {
                throw new Error('Could not found validator: ' + validationRef);
            }
            var cl = field.classList;
            var future = this._validators[validationRef].apply(this, [field, this.form]);
            cl.add(LOADING_CLASS);
            future.then(function () {
                cl.remove(LOADING_CLASS);
            });
            return future;
        }
 
        /**
         * Run custom validations for elements, validations are done async do support XHR Requests or other stuff
         *
         * @param {Array|NodeList} fields
         * @returns {Promise} contains either true if validations passed or false if something went wrong
         * @private
         */
 
    }, {
        key: '_customValidationsForElements',
        value: function _customValidationsForElements(fields) {
            var futures = [];
            var fieldsLength = fields.length;
            var checkedFields = [];
            for (var iVal = 0; iVal < fieldsLength; iVal++) {
                var field = fields[iVal];
                var validationRef = field.getAttribute(ATTR_VALIDATOR);
                var validity = field.validity;
                Eif (this._validators[validationRef]) {
                    // use local validation first and then continue with custom validations
                    Iif (Form._shouldNotValidateField(field) || validity && !validity.customError && !validity.valid) {
                        continue;
                    }
                    checkedFields.push(field);
                    futures.push(this._runValidation(validationRef, field));
                } else {
                    if (validationRef) {
                        // console.warn('data-validate was set but no validator was found');
                    }
                }
            }
            return _promise2.default.all(futures).then(function (allFutures) {
                var l = allFutures.length;
                var result = {
                    checkedFields: checkedFields,
                    foundAnyError: false
                };
                for (var fI = 0; fI < l; fI++) {
                    Iif (!allFutures[fI]) {
                        result.foundAnyError = true;
                        break;
                    }
                }
                return result;
            });
        }
 
        /**
         * Remove all errors for this form
         * @returns {Form}
         */
 
    }, {
        key: 'removeErrors',
        value: function removeErrors() {
            this._removeElementErrors(this.form);
            Iif (this.tooltips) {
                this.tooltips.removeTooltip();
            }
            return this;
        }
 
        /**
         * Will handle errors for given fields
         * @param {Array|NodeList} fields
         * @param {Boolean} removeAllErrors
         */
 
    }, {
        key: 'prepareErrors',
        value: function prepareErrors(fields, removeAllErrors) {
            var _this4 = this;
 
            Iif (removeAllErrors) {
                this.removeErrors();
            }
            var labelGroups = {};
            var invalidFields = [];
 
            function handleAdditionalLabels(isInvalid, thisLabelGroup, field) {
                var additionalLabels = field.getAttribute(ATTR_DATA_CUSTOM_LABEL) || field.id;
                var group = thisLabelGroup[additionalLabels];
                Iif (additionalLabels) {
                    // check additionally if field is currently marked as invalid
                    // so the label is not marked as error if no field is marked as one
                    group = group || isInvalid;
                    thisLabelGroup[additionalLabels] = group;
                }
            }
 
            // We save all validations in an extra property because we need to reset the validity due some
            // implementation errors in other browsers then chrome
            for (var i = 0; i < fields.length; i++) {
                var field = fields[i];
                var errorTarget = Form._findErrorTarget(field);
                var parent = errorTarget.parentNode;
                var validity = field.validity;
                var isInvalid = validity && !validity.valid;
                Iif (Form._shouldNotValidateField(field)) {
                    continue;
                }
                field.flexFormsSavedValidity = JSON.parse((0, _stringify2.default)(validity));
                handleAdditionalLabels(isInvalid, labelGroups, field);
                Eif (isInvalid) {
                    Eif (!removeAllErrors) {
                        // Remove current errors:
                        this._removeElementErrors(parent);
                    }
                    // setup custom error messages:
                    this._setupErrorMessages(field, validity);
                    var msg = field.validationMessage;
 
                    // mark fields as invalid
                    this._markElementInvalid(errorTarget);
                    this._markElementInvalid(field);
 
                    Iif (this.options.appendError) {
                        parent.insertAdjacentHTML("beforeend", '<div class="' + this.options.containerErrorClass + '">' + msg + '</div>');
                    }
                    invalidFields.push(field);
                    field.flexFormsSavedValidationMessage = msg;
                } else {
                    // restore invalid fields
                    this._markElementValid(errorTarget);
                    this._markElementValid(field);
 
                    // cleanup
                    delete field.flexFormsSavedValidationMessage;
 
                    // remove error markup
                    this._removeElementErrors(parent);
                }
                // We have to reset the custom validity here to allow native validations work again
                field.setCustomValidity('');
            }
            // if validates a single field we need to check the linked fields to a label:
            if (fields.length === 1) {
                var _field = fields[0];
                var id = _field.getAttribute(ATTR_DATA_CUSTOM_LABEL) || _field.id;
                Iif (id) {
                    var linkedFields = (0, _from2.default)(this.getForm().querySelectorAll('[' + ATTR_DATA_CUSTOM_LABEL + '="' + id + '"], #' + id));
                    linkedFields.forEach(function (thisField) {
                        var validity = thisField.validity;
                        var isInvalid = validity && !validity.valid && _this4._isElementInvalidElement(thisField);
                        handleAdditionalLabels(isInvalid, labelGroups, thisField);
                    }).bind(this);
                }
            }
            this._handleLabels(labelGroups);
            return invalidFields;
        }
 
        /**
         * Validates all custom fields
         * @returns {Promise}
         */
 
    }, {
        key: 'validateCustomFields',
        value: function validateCustomFields() {
            return this._customValidationsForElements(this.form.querySelectorAll("[data-validate]"));
        }
 
        /**
         * Tests if a field should be validated
         * @param {HTMLElement} field
         * @returns {boolean}
         * @private
         */
 
    }, {
        key: 'getForm',
 
 
        /**
         * This form
         * @returns {HTMLElement}
         */
        value: function getForm() {
            return this.form;
        }
 
        /**
         * Registers a function that handles remote validation
         * @param {Function} func
         * @returns {Form}
         */
 
    }, {
        key: 'registerRemoteValidation',
        value: function registerRemoteValidation(func) {
            this._remoteValidationFunction = func;
            return this;
        }
 
        /**
         * Formats the error content for the tooltip
         * @param {String} error
         * @returns {String}
         * @private
         */
 
    }, {
        key: '_formatErrorTooltip',
        value: function _formatErrorTooltip(error) {
            return this.options.formatErrorTooltip.apply(this, [error]);
        }
 
        /**
         * Tries to find a custom error target on given target
         * @param target
         * @returns {HTMLElement}
         * @private
         */
 
    }, {
        key: 'showAndOrCreateTooltip',
 
 
        /**
         * Creates a tooltip at given element, will only create a new instance if not created
         * @param {HTMLElement} target
         * @param {Boolean} [remove]
         */
        value: function showAndOrCreateTooltip(target, remove) {
            var self = this;
            Eif (!this.tooltips && this.options.createTooltips) {
                this.tooltips = new _Tooltip2.default(this.options.tooltipContainer, this.options.tooltipOptions);
            }
            Iif (!this.options.createTooltips) {
                return false;
            }
 
            Iif (!target.flexFormsSavedValidity) {
                return false;
            }
            var errorTarget = Form._findErrorTarget(target);
            var result = false;
            Eif (!target.flexFormsSavedValidity.valid && self._isElementInvalidElement(errorTarget)) {
                self.tooltips.createTooltip(errorTarget, self._formatErrorTooltip(target.flexFormsSavedValidationMessage), false);
                result = true;
            } else {
                if (remove) {
                    self.tooltips.removeTooltip();
                }
            }
            return result;
        }
 
        /**
         * Checks if element is marked as invalid
         * @param {HTMLElement} el
         * @returns {boolean}
         * @private
         */
 
    }, {
        key: '_isElementInvalidElement',
        value: function _isElementInvalidElement(el) {
            return el.hasAttribute(DATA_ELEMENT_INVALID);
        }
 
        /**
         * Handles invalid event of a form
         * @param {Event} e
         * @returns {Promise|boolean}
         * @private
         */
 
    }, {
        key: '_checkIsInvalid',
        value: function _checkIsInvalid(e) {
            e.preventDefault();
            var invalidFields = this.getForm().querySelectorAll(":invalid");
            return this._handleValidation(invalidFields, true, false);
        }
 
        /**
         * Will query dependent fields (by selector) that should be validated with given field
         * @param field
         * @returns {NodeList|[]}
         * @private
         */
 
    }, {
        key: '_getDependentFields',
        value: function _getDependentFields(field) {
            var fieldSelector = field.getAttribute(ATTR_DEPENDS);
            var base = [field];
            if (fieldSelector) {
                base.push.apply(base, Array.prototype.slice.apply(this.getForm().querySelectorAll(fieldSelector)));
            }
            return base;
        }
 
        /**
         * @private
         * @param {HTMLElement} [target]
         */
 
    }, {
        key: '_handleTooltipInline',
        value: function _handleTooltipInline(target) {
            Iif (this.tooltips) {
                this.tooltips.removeTooltip(target);
            }
        }
 
        /**
         * Initializes validation for a given form, registers event handlers
         */
 
    }, {
        key: 'initFormValidation',
        value: function initFormValidation() {
            var _this5 = this;
 
            // Suppress the default bubbles
            var self = this;
            var form = this.getForm();
            var invalidEvent = 'invalid';
 
            /**
             * Validates if is valid realtime element
             * @param {HTMLElement} target
             * @returns {boolean}
             * @private
             */
            function _checkIsValidRealtimeElement(target) {
                return !target.hasAttribute(ATTR_DISABLE_REALTIME) && !target.hasAttribute(ATTR_DISABLE_INLINE);
            }
 
            form.addEventListener(invalidEvent, function (e) {
                e.preventDefault();
            }, true);
 
            _Util2.default.addEventOnce(invalidEvent, form, function handleInvalid(e) {
                self._formLoading();
                var result = self._checkIsInvalid(e);
                Eif (result) {
                    self.currentValidationFuture = new _promise2.default(function (resolve) {
                        result.then(function (r) {
                            setTimeout(function () {
                                _Util2.default.addEventOnce(invalidEvent, form, handleInvalid, true);
                            }, 0);
                            resolve(r);
                            self._formStopLoading();
                            Iif (!r.foundAnyError) {
                                self._formLoading();
                                self._handleSubmit(e);
                            }
                        });
                    });
                }
            }, true);
 
            this.addEventListener(form, 'reset', function () {
                _this5.removeErrors();
            });
 
            // Timeout for keys:
            var TIMEOUT_KEYDOWN = void 0;
            var KEYDOWN_RUNNING = false;
 
            // resets keydown events
            function clearKeyDownTimeout() {
                KEYDOWN_RUNNING = false;
                clearTimeout(TIMEOUT_KEYDOWN);
            }
 
            // setup custom realtime event if given
            Eif (self.options.realtime) {
                this.addEventListener(form, CONST_REALTIME_EVENT, function (e) {
                    if (self._formIsLoading()) {
                        return;
                    }
                    var target = e.target;
                    clearTimeout(TIMEOUT_KEYDOWN);
                    if (KEYDOWN_RUNNING) {
                        return;
                    }
                    TIMEOUT_KEYDOWN = setTimeout(function () {
                        var isStillTarget = document.activeElement === e.target;
                        if (!_checkIsValidRealtimeElement(target)) {
                            return;
                        }
                        if (isStillTarget) {
                            self._handleTooltipInline();
                        }
                        KEYDOWN_RUNNING = true;
                        var dependentFields = self._getDependentFields(target);
                        self._customValidationsForElements(dependentFields).then(function () {
                            self.prepareErrors(dependentFields, false);
                            if (isStillTarget) {
                                self.showAndOrCreateTooltip(e.target);
                            }
                            // future must be resolved before another event can be started
                            KEYDOWN_RUNNING = false;
                        });
                    }, self.options.realtimeTimeout);
                }, true);
            }
 
            /**
             * Validates if target is a valid input field to check blur and focus events
             *
             * @param {HTMLElement} target
             * @returns {boolean}
             * @private
             */
            function _checkIsValidBlurFocusElement(target) {
                var attr = target.getAttribute("type");
                return attr !== "radio" && attr !== "checkbox" && attr !== "submit";
            }
 
            /**
             * Validates if is valid inline-check element
             * @param {HTMLElement} target
             * @returns {boolean}
             * @private
             */
            function _checkIsValidInlineCheckElement(target) {
                return !target.hasAttribute(ATTR_DISABLE_INLINE);
            }
 
            this.addEventListener(form, 'blur', function (e) {
                // do not hide tooltip after change event
                Eif (!e.target.flexcssKeepTooltips) {
                    self._handleTooltipInline(e.target);
                }
                delete e.target.flexcssKeepTooltips;
            }, true);
 
            // handle focus on input elements
            // will show an error if field is invalid
            this.addEventListener(form, "focus", function (e) {
                Eif (self._formIsLoading()) {
                    return;
                }
                // do not track errors for checkbox and radios on focus:
                if (!_checkIsValidBlurFocusElement(e.target)) {
                    return;
                }
                // we need to delay this a little, because Firefox and Safari do not show a tooltip after it
                // just have been hidden (on blur). Maybe fix this with a queue later
                setTimeout(function () {
                    self.showAndOrCreateTooltip(e.target);
                }, FOCUS_TOOLTIP_DELAY);
            }, true);
 
            Eif (self.options.inlineValidation) {
                // Handle change for checkbox, radios and selects
                this.addEventListener(form, "change", function (e) {
                    var target = e.target;
                    if (self._formIsLoading() || !_checkIsValidInlineCheckElement(target)) {
                        return;
                    }
                    clearKeyDownTimeout();
                    var name = target.getAttribute('name');
                    var inputs = name ? form.querySelectorAll('[name="' + name + '"]') : [target];
                    // we only support dependent fields for a single widgets right now
                    if (inputs.length === 1) {
                        inputs = self._getDependentFields(target);
                    }
                    self._customValidationsForElements(inputs).then(function () {
                        self.prepareErrors(inputs, false);
                        target.flexcssKeepTooltips = self.showAndOrCreateTooltip(target, true);
                        if (target.flexcssKeepTooltips) {
                            self._handleTooltipHideClickAfterChange();
                        }
                    });
                });
            }
 
            // prevent default if form is invalid
            this.addEventListener(form, "submit", function listener(e) {
                self._submitListener(e, listener);
            });
 
            _Event2.default.dispatchAndFire(form, EVENT_FORM_READY);
        }
 
        /* Loading states, unfortunately we can't check if a promise is pending :/*/
        /* TODO: Maybe wrap promise to extend this functionality */
 
    }, {
        key: '_formLoading',
        value: function _formLoading() {
            this.getForm().classList.add(LOADING_CLASS);
        }
    }, {
        key: '_formStopLoading',
        value: function _formStopLoading() {
            this.getForm().classList.remove(LOADING_CLASS);
        }
    }, {
        key: '_formIsLoading',
        value: function _formIsLoading() {
            return this.getForm().classList.contains(LOADING_CLASS);
        }
 
        // this defines the logic after a change event when a tooltip is shown
        // because we call this method inside the change event, the click would be immeditally executed with the change
        // event when not using setTimeout(). There might be another solution for this...
 
    }, {
        key: '_handleTooltipHideClickAfterChange',
        value: function _handleTooltipHideClickAfterChange() {
            var self = this;
            Eif (this.options.createTooltips) {
                setTimeout(function () {
                    _Util2.default.addEventOnce(_Settings2.default.getTabEvent(), global.document.body, function (t) {
                        if (!self._isElementInvalidElement(t.target)) {
                            self._handleTooltipInline();
                        }
                    });
                }, CLICK_TOOLTIP_DELAY);
            }
        }
    }, {
        key: '_focusElement',
        value: function _focusElement(el) {
            el.focus();
            Eif (this.options.shouldScrollToElement) {
                _Util2.default.scrollToElement(el, this.options.scrollToElementDiff);
            }
        }
 
        /**
         * Listener that is executed on form submit
         * @param e
         * @param submitListener
         * @returns {boolean}
         * @private
         */
 
    }, {
        key: '_submitListener',
        value: function _submitListener(e, submitListener) {
            var form = this.getForm();
            var self = this;
            var submitEvent = 'submit';
 
            Iif (this._formIsLoading()) {
                e.preventDefault();
                return false;
            }
            this._formLoading();
            form.removeEventListener(submitEvent, submitListener);
            this.removeErrors();
            e.preventDefault();
            // reset:
            Eif (form.checkValidity()) {
                form.addEventListener(submitEvent, submitListener);
                // It's possible that the form is valid but the custom validations need to be checked again:
                self.currentValidationFuture = new _promise2.default(function (resolve) {
                    var validation = self.validateCustomFields();
                    validation.then(function (r) {
                        // because custom validators may mark multiple fields as invalid, we get all of them in the form
                        var fields = self._getInvalidElements();
                        var errors = self.prepareErrors(fields, false);
                        var firstError = errors[0];
                        Iif (firstError) {
                            self._focusElement(firstError);
                            self.showAndOrCreateTooltip(firstError, true);
                        }
                        resolve(r);
                    });
                });
                self.currentValidationFuture.then(function (r) {
                    Eif (!r.foundAnyError) {
                        // Handle submitting the form to server:
                        self._handleSubmit(e);
                    } else {
                        self._formStopLoading();
                    }
                });
            } else {
                self._formStopLoading();
                form.addEventListener(submitEvent, submitListener);
            }
        }
 
        /**
         * Handles submitting, optionally allows to stop submitting
         * @param e
         * @private
         */
 
    }, {
        key: '_handleSubmit',
        value: function _handleSubmit(e) {
            this._submitFunction(this.form, e);
        }
 
        /**
         * Registers a global event Handler
         * @param errorFunc
         */
 
    }], [{
        key: '_shouldNotValidateField',
        value: function _shouldNotValidateField(field) {
            var target = Form._findErrorTarget(field);
            return target instanceof HTMLFieldSetElement || field.validity === undefined || target.hasAttribute(ATTR_VALIDATE_VISIBILITY) && !_Util2.default.isVisible(target);
        }
 
        /**
         * Creates an array from a node list with invalid items
         * This Method expicitly checks if field should not be validated so it can be used to foucs a field
         * @param list
         * @returns {Array}
         * @private
         */
 
    }, {
        key: '_createArrayFromInvalidFieldList',
        value: function _createArrayFromInvalidFieldList(list) {
            var arr = [];
            for (var i = 0; i < list.length; ++i) {
                var n = list[i];
                Eif (n.validity && !n.validity.valid) {
                    Eif (!Form._shouldNotValidateField(n)) {
                        arr.push(n);
                    }
                }
            }
            return arr;
        }
    }, {
        key: '_findErrorTarget',
        value: function _findErrorTarget(target) {
            var el = target.getAttribute(ATTR_ERROR_TARGET_ID) || target;
            var foundTarget = el instanceof HTMLElement ? el : global.document.getElementById(el);
            Iif (!foundTarget) {
                throw new Error('Given error target did not exists: ' + target);
            }
            return foundTarget;
        }
    }, {
        key: 'registerErrorMessageHandler',
        value: function registerErrorMessageHandler(errorFunc) {
            Form.globalErrorMessageHandler = errorFunc;
        }
 
        /**
         * Initialize forms for a specific selector
         * @param {String} selector
         * @param {Object} [options]
         * @return {array.<Form>}
         */
 
    }, {
        key: 'init',
        value: function init(selector, options) {
            var forms = selector instanceof HTMLElement ? selector.querySelectorAll('form') : document.querySelectorAll(selector);
            var instances = [];
            for (var i = 0; i < forms.length; i++) {
                instances.push(new Form(forms[i], options));
            }
            return instances;
        }
 
        /**
         * Registers a global validator that is usable on all form instances
         * @param {String} name
         * @param {Function} validator
         * @returns {Function}
         */
 
    }, {
        key: 'registerValidator',
        value: function registerValidator(name, validator) {
            Form.globalValidators[name] = validator;
            return Form;
        }
 
        /**
         * Registers a global function that is called when a form should validate the response of a server
         * @param {Function} func
         * @returns {Form}
         */
 
    }, {
        key: 'registerGlobalRemoteValidationFunction',
        value: function registerGlobalRemoteValidationFunction(func) {
            Form.globalRemoteValidationFunction = func;
            return Form;
        }
    }]);
    return Form;
}(_DestroyableWidget3.default);
 
/**
 * Global validators
 * @type {Array}
 */
 
 
Form.globalValidators = [];
 
/**
 * Global Remote validation function
 */
Form.globalRemoteValidationFunction = function () {};
 
/**
 * Handles custom error messages extracts custom message by default
 */
Form.globalErrorMessageHandler = function (field, validity) {
    Eif (!validity.customError) {
        var customMsg = field.getAttribute(ATTR_DATA_CUSTOM_MESSAGE);
        Iif (customMsg) {
            field.setCustomValidity(customMsg);
        }
    }
};
 
exports.default = Form;