X-Git-Url: https://yaffs.net/gitweb/?a=blobdiff_plain;f=web%2Fcore%2Fmisc%2Fform.js;h=7e32a31a34f382bac76bef7bd1dac7b87800ad60;hb=680c79a86e3ed402f263faeac92e89fb6d9edcc0;hp=7ca64fc4257cafc52c5195a5379340814296af25;hpb=a2bd1bf0c2c1f1a17d188f4dc0726a45494cefae;p=yaffs-website diff --git a/web/core/misc/form.js b/web/core/misc/form.js index 7ca64fc42..7e32a31a3 100644 --- a/web/core/misc/form.js +++ b/web/core/misc/form.js @@ -1,205 +1,91 @@ /** - * @file - * Form features. - */ - -/** - * Triggers when a value in the form changed. - * - * The event triggers when content is typed or pasted in a text field, before - * the change event triggers. - * - * @event formUpdated - */ +* DO NOT EDIT THIS FILE. +* See the following change record for more information, +* https://www.drupal.org/node/2815083 +* @preserve +**/ (function ($, Drupal, debounce) { - - 'use strict'; - - /** - * Retrieves the summary for the first element. - * - * @return {string} - * The text of the summary. - */ $.fn.drupalGetSummary = function () { var callback = this.data('summaryCallback'); - return (this[0] && callback) ? $.trim(callback(this[0])) : ''; + return this[0] && callback ? $.trim(callback(this[0])) : ''; }; - /** - * Sets the summary for all matched elements. - * - * @param {function} callback - * Either a function that will be called each time the summary is - * retrieved or a string (which is returned each time). - * - * @return {jQuery} - * jQuery collection of the current element. - * - * @fires event:summaryUpdated - * - * @listens event:formUpdated - */ $.fn.drupalSetSummary = function (callback) { var self = this; - // To facilitate things, the callback should always be a function. If it's - // not, we wrap it into an anonymous function which just returns the value. if (typeof callback !== 'function') { var val = callback; - callback = function () { return val; }; + callback = function callback() { + return val; + }; } - return this - .data('summaryCallback', callback) - // To prevent duplicate events, the handlers are first removed and then - // (re-)added. - .off('formUpdated.summary') - .on('formUpdated.summary', function () { - self.trigger('summaryUpdated'); - }) - // The actual summaryUpdated handler doesn't fire when the callback is - // changed, so we have to do this manually. - .trigger('summaryUpdated'); + return this.data('summaryCallback', callback).off('formUpdated.summary').on('formUpdated.summary', function () { + self.trigger('summaryUpdated'); + }).trigger('summaryUpdated'); }; - /** - * Prevents consecutive form submissions of identical form values. - * - * Repetitive form submissions that would submit the identical form values - * are prevented, unless the form values are different to the previously - * submitted values. - * - * This is a simplified re-implementation of a user-agent behavior that - * should be natively supported by major web browsers, but at this time, only - * Firefox has a built-in protection. - * - * A form value-based approach ensures that the constraint is triggered for - * consecutive, identical form submissions only. Compared to that, a form - * button-based approach would (1) rely on [visible] buttons to exist where - * technically not required and (2) require more complex state management if - * there are multiple buttons in a form. - * - * This implementation is based on form-level submit events only and relies - * on jQuery's serialize() method to determine submitted form values. As such, - * the following limitations exist: - * - * - Event handlers on form buttons that preventDefault() do not receive a - * double-submit protection. That is deemed to be fine, since such button - * events typically trigger reversible client-side or server-side - * operations that are local to the context of a form only. - * - Changed values in advanced form controls, such as file inputs, are not - * part of the form values being compared between consecutive form submits - * (due to limitations of jQuery.serialize()). That is deemed to be - * acceptable, because if the user forgot to attach a file, then the size of - * HTTP payload will most likely be small enough to be fully passed to the - * server endpoint within (milli)seconds. If a user mistakenly attached a - * wrong file and is technically versed enough to cancel the form submission - * (and HTTP payload) in order to attach a different file, then that - * edge-case is not supported here. - * - * Lastly, all forms submitted via HTTP GET are idempotent by definition of - * HTTP standards, so excluded in this implementation. - * - * @type {Drupal~behavior} - */ Drupal.behaviors.formSingleSubmit = { - attach: function () { + attach: function attach() { function onFormSubmit(e) { var $form = $(e.currentTarget); var formValues = $form.serialize(); var previousValues = $form.attr('data-drupal-form-submit-last'); if (previousValues === formValues) { e.preventDefault(); - } - else { + } else { $form.attr('data-drupal-form-submit-last', formValues); } } - $('body').once('form-single-submit') - .on('submit.singleSubmit', 'form:not([method~="GET"])', onFormSubmit); + $('body').once('form-single-submit').on('submit.singleSubmit', 'form:not([method~="GET"])', onFormSubmit); } }; - /** - * Sends a 'formUpdated' event each time a form element is modified. - * - * @param {HTMLElement} element - * The element to trigger a form updated event on. - * - * @fires event:formUpdated - */ function triggerFormUpdated(element) { $(element).trigger('formUpdated'); } - /** - * Collects the IDs of all form fields in the given form. - * - * @param {HTMLFormElement} form - * The form element to search. - * - * @return {Array} - * Array of IDs for form fields. - */ function fieldsList(form) { var $fieldList = $(form).find('[name]').map(function (index, element) { - // We use id to avoid name duplicates on radio fields and filter out - // elements with a name but no id. return element.getAttribute('id'); }); - // Return a true array. + return $.makeArray($fieldList); } - /** - * Triggers the 'formUpdated' event on form elements when they are modified. - * - * @type {Drupal~behavior} - * - * @prop {Drupal~behaviorAttach} attach - * Attaches formUpdated behaviors. - * @prop {Drupal~behaviorDetach} detach - * Detaches formUpdated behaviors. - * - * @fires event:formUpdated - */ Drupal.behaviors.formUpdated = { - attach: function (context) { + attach: function attach(context) { var $context = $(context); var contextIsForm = $context.is('form'); var $forms = (contextIsForm ? $context : $context.find('form')).once('form-updated'); - var formFields; + var formFields = void 0; if ($forms.length) { - // Initialize form behaviors, use $.makeArray to be able to use native - // forEach array method and have the callback parameters in the right - // order. $.makeArray($forms).forEach(function (form) { var events = 'change.formUpdated input.formUpdated '; - var eventHandler = debounce(function (event) { triggerFormUpdated(event.target); }, 300); + var eventHandler = debounce(function (event) { + triggerFormUpdated(event.target); + }, 300); formFields = fieldsList(form).join(','); form.setAttribute('data-drupal-form-fields', formFields); $(form).on(events, eventHandler); }); } - // On ajax requests context is the form element. + if (contextIsForm) { formFields = fieldsList(context).join(','); - // @todo replace with form.getAttribute() when #1979468 is in. + var currentFields = $(context).attr('data-drupal-form-fields'); - // If there has been a change in the fields or their order, trigger - // formUpdated. + if (formFields !== currentFields) { triggerFormUpdated(context); } } - }, - detach: function (context, settings, trigger) { + detach: function detach(context, settings, trigger) { var $context = $(context); var contextIsForm = $context.is('form'); if (trigger === 'unload') { @@ -214,23 +100,15 @@ } }; - /** - * Prepopulate form fields with information from the visitor browser. - * - * @type {Drupal~behavior} - * - * @prop {Drupal~behaviorAttach} attach - * Attaches the behavior for filling user info from browser. - */ Drupal.behaviors.fillUserInfoFromBrowser = { - attach: function (context, settings) { + attach: function attach(context, settings) { var userInfo = ['name', 'mail', 'homepage']; var $forms = $('[data-user-info-from-browser]').once('user-info-from-browser'); if ($forms.length) { userInfo.map(function (info) { var $element = $forms.find('[name=' + info + ']'); var browserData = localStorage.getItem('Drupal.visitor.' + info); - var emptyOrDefault = ($element.val() === '' || ($element.attr('data-drupal-default-value') === $element.val())); + var emptyOrDefault = $element.val() === '' || $element.attr('data-drupal-default-value') === $element.val(); if ($element.length && emptyOrDefault && browserData) { $element.val(browserData); } @@ -247,4 +125,27 @@ } }; -})(jQuery, Drupal, Drupal.debounce); + var handleFragmentLinkClickOrHashChange = function handleFragmentLinkClickOrHashChange(e) { + var url = void 0; + if (e.type === 'click') { + url = e.currentTarget.location ? e.currentTarget.location : e.currentTarget; + } else { + url = location; + } + var hash = url.hash.substr(1); + if (hash) { + var $target = $('#' + hash); + $('body').trigger('formFragmentLinkClickOrHashChange', [$target]); + + setTimeout(function () { + return $target.trigger('focus'); + }, 300); + } + }; + + var debouncedHandleFragmentLinkClickOrHashChange = debounce(handleFragmentLinkClickOrHashChange, 300, true); + + $(window).on('hashchange.form-fragment', debouncedHandleFragmentLinkClickOrHashChange); + + $(document).on('click.form-fragment', 'a[href*="#"]', debouncedHandleFragmentLinkClickOrHashChange); +})(jQuery, Drupal, Drupal.debounce); \ No newline at end of file