--- /dev/null
+/**
+ * @file
+ * Some basic behaviors and utility functions for Views UI.
+ */
+
+(function ($, Drupal, drupalSettings) {
+ /**
+ * @namespace
+ */
+ Drupal.viewsUi = {};
+
+ /**
+ * Improve the user experience of the views edit interface.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Attaches toggling of SQL rewrite warning on the corresponding checkbox.
+ */
+ Drupal.behaviors.viewsUiEditView = {
+ attach() {
+ // Only show the SQL rewrite warning when the user has chosen the
+ // corresponding checkbox.
+ $('[data-drupal-selector="edit-query-options-disable-sql-rewrite"]').on('click', () => {
+ $('.sql-rewrite-warning').toggleClass('js-hide');
+ });
+ },
+ };
+
+ /**
+ * In the add view wizard, use the view name to prepopulate form fields such
+ * as page title and menu link.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Attaches behavior for prepopulating page title and menu links, based on
+ * view name.
+ */
+ Drupal.behaviors.viewsUiAddView = {
+ attach(context) {
+ const $context = $(context);
+ // Set up regular expressions to allow only numbers, letters, and dashes.
+ const exclude = new RegExp('[^a-z0-9\\-]+', 'g');
+ const replace = '-';
+ let suffix;
+
+ // The page title, block title, and menu link fields can all be
+ // prepopulated with the view name - no regular expression needed.
+ const $fields = $context.find('[id^="edit-page-title"], [id^="edit-block-title"], [id^="edit-page-link-properties-title"]');
+ if ($fields.length) {
+ if (!this.fieldsFiller) {
+ this.fieldsFiller = new Drupal.viewsUi.FormFieldFiller($fields);
+ }
+ else {
+ // After an AJAX response, this.fieldsFiller will still have event
+ // handlers bound to the old version of the form fields (which don't
+ // exist anymore). The event handlers need to be unbound and then
+ // rebound to the new markup. Note that jQuery.live is difficult to
+ // make work in this case because the IDs of the form fields change
+ // on every AJAX response.
+ this.fieldsFiller.rebind($fields);
+ }
+ }
+
+ // Prepopulate the path field with a URLified version of the view name.
+ const $pathField = $context.find('[id^="edit-page-path"]');
+ if ($pathField.length) {
+ if (!this.pathFiller) {
+ this.pathFiller = new Drupal.viewsUi.FormFieldFiller($pathField, exclude, replace);
+ }
+ else {
+ this.pathFiller.rebind($pathField);
+ }
+ }
+
+ // Populate the RSS feed field with a URLified version of the view name,
+ // and an .xml suffix (to make it unique).
+ const $feedField = $context.find('[id^="edit-page-feed-properties-path"]');
+ if ($feedField.length) {
+ if (!this.feedFiller) {
+ suffix = '.xml';
+ this.feedFiller = new Drupal.viewsUi.FormFieldFiller($feedField, exclude, replace, suffix);
+ }
+ else {
+ this.feedFiller.rebind($feedField);
+ }
+ }
+ },
+ };
+
+ /**
+ * Constructor for the {@link Drupal.viewsUi.FormFieldFiller} object.
+ *
+ * Prepopulates a form field based on the view name.
+ *
+ * @constructor
+ *
+ * @param {jQuery} $target
+ * A jQuery object representing the form field or fields to prepopulate.
+ * @param {bool} [exclude=false]
+ * A regular expression representing characters to exclude from
+ * the target field.
+ * @param {string} [replace='']
+ * A string to use as the replacement value for disallowed characters.
+ * @param {string} [suffix='']
+ * A suffix to append at the end of the target field content.
+ */
+ Drupal.viewsUi.FormFieldFiller = function ($target, exclude, replace, suffix) {
+ /**
+ *
+ * @type {jQuery}
+ */
+ this.source = $('#edit-label');
+
+ /**
+ *
+ * @type {jQuery}
+ */
+ this.target = $target;
+
+ /**
+ *
+ * @type {bool}
+ */
+ this.exclude = exclude || false;
+
+ /**
+ *
+ * @type {string}
+ */
+ this.replace = replace || '';
+
+ /**
+ *
+ * @type {string}
+ */
+ this.suffix = suffix || '';
+
+ // Create bound versions of this instance's object methods to use as event
+ // handlers. This will let us easily unbind those specific handlers later
+ // on. NOTE: jQuery.proxy will not work for this because it assumes we want
+ // only one bound version of an object method, whereas we need one version
+ // per object instance.
+ const self = this;
+
+ /**
+ * Populate the target form field with the altered source field value.
+ *
+ * @return {*}
+ * The result of the _populate call, which should be undefined.
+ */
+ this.populate = function () {
+ return self._populate.call(self);
+ };
+
+ /**
+ * Stop prepopulating the form fields.
+ *
+ * @return {*}
+ * The result of the _unbind call, which should be undefined.
+ */
+ this.unbind = function () {
+ return self._unbind.call(self);
+ };
+
+ this.bind();
+ // Object constructor; no return value.
+ };
+
+ $.extend(Drupal.viewsUi.FormFieldFiller.prototype, /** @lends Drupal.viewsUi.FormFieldFiller# */{
+
+ /**
+ * Bind the form-filling behavior.
+ */
+ bind() {
+ this.unbind();
+ // Populate the form field when the source changes.
+ this.source.on('keyup.viewsUi change.viewsUi', this.populate);
+ // Quit populating the field as soon as it gets focus.
+ this.target.on('focus.viewsUi', this.unbind);
+ },
+
+ /**
+ * Get the source form field value as altered by the passed-in parameters.
+ *
+ * @return {string}
+ * The source form field value.
+ */
+ getTransliterated() {
+ let from = this.source.val();
+ if (this.exclude) {
+ from = from.toLowerCase().replace(this.exclude, this.replace);
+ }
+ return from;
+ },
+
+ /**
+ * Populate the target form field with the altered source field value.
+ */
+ _populate() {
+ const transliterated = this.getTransliterated();
+ const suffix = this.suffix;
+ this.target.each(function (i) {
+ // Ensure that the maxlength is not exceeded by prepopulating the field.
+ const maxlength = $(this).attr('maxlength') - suffix.length;
+ $(this).val(transliterated.substr(0, maxlength) + suffix);
+ });
+ },
+
+ /**
+ * Stop prepopulating the form fields.
+ */
+ _unbind() {
+ this.source.off('keyup.viewsUi change.viewsUi', this.populate);
+ this.target.off('focus.viewsUi', this.unbind);
+ },
+
+ /**
+ * Bind event handlers to new form fields, after they're replaced via Ajax.
+ *
+ * @param {jQuery} $fields
+ * Fields to rebind functionality to.
+ */
+ rebind($fields) {
+ this.target = $fields;
+ this.bind();
+ },
+ });
+
+ /**
+ * Adds functionality for the add item form.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Attaches the functionality in {@link Drupal.viewsUi.AddItemForm} to the
+ * forms in question.
+ */
+ Drupal.behaviors.addItemForm = {
+ attach(context) {
+ const $context = $(context);
+ let $form = $context;
+ // The add handler form may have an id of views-ui-add-handler-form--n.
+ if (!$context.is('form[id^="views-ui-add-handler-form"]')) {
+ $form = $context.find('form[id^="views-ui-add-handler-form"]');
+ }
+ if ($form.once('views-ui-add-handler-form').length) {
+ // If we we have an unprocessed views-ui-add-handler-form, let's
+ // instantiate.
+ new Drupal.viewsUi.AddItemForm($form);
+ }
+ },
+ };
+
+ /**
+ * Constructs a new AddItemForm.
+ *
+ * @constructor
+ *
+ * @param {jQuery} $form
+ * The form element used.
+ */
+ Drupal.viewsUi.AddItemForm = function ($form) {
+ /**
+ *
+ * @type {jQuery}
+ */
+ this.$form = $form;
+ this.$form.find('.views-filterable-options :checkbox').on('click', $.proxy(this.handleCheck, this));
+
+ /**
+ * Find the wrapper of the displayed text.
+ */
+ this.$selected_div = this.$form.find('.views-selected-options').parent();
+ this.$selected_div.hide();
+
+ /**
+ *
+ * @type {Array}
+ */
+ this.checkedItems = [];
+ };
+
+ /**
+ * Handles a checkbox check.
+ *
+ * @param {jQuery.Event} event
+ * The event triggered.
+ */
+ Drupal.viewsUi.AddItemForm.prototype.handleCheck = function (event) {
+ const $target = $(event.target);
+ const label = $.trim($target.closest('td').next().html());
+ // Add/remove the checked item to the list.
+ if ($target.is(':checked')) {
+ this.$selected_div.show().css('display', 'block');
+ this.checkedItems.push(label);
+ }
+ else {
+ const position = $.inArray(label, this.checkedItems);
+ // Delete the item from the list and make sure that the list doesn't have
+ // undefined items left.
+ for (let i = 0; i < this.checkedItems.length; i++) {
+ if (i === position) {
+ this.checkedItems.splice(i, 1);
+ i--;
+ break;
+ }
+ }
+ // Hide it again if none item is selected.
+ if (this.checkedItems.length === 0) {
+ this.$selected_div.hide();
+ }
+ }
+ this.refreshCheckedItems();
+ };
+
+ /**
+ * Refresh the display of the checked items.
+ */
+ Drupal.viewsUi.AddItemForm.prototype.refreshCheckedItems = function () {
+ // Perhaps we should precache the text div, too.
+ this.$selected_div.find('.views-selected-options')
+ .html(this.checkedItems.join(', '))
+ .trigger('dialogContentResize');
+ };
+
+ /**
+ * The input field items that add displays must be rendered as `<input>`
+ * elements. The following behavior detaches the `<input>` elements from the
+ * DOM, wraps them in an unordered list, then appends them to the list of
+ * tabs.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Fixes the input elements needed.
+ */
+ Drupal.behaviors.viewsUiRenderAddViewButton = {
+ attach(context) {
+ // Build the add display menu and pull the display input buttons into it.
+ const $menu = $(context).find('#views-display-menu-tabs').once('views-ui-render-add-view-button');
+ if (!$menu.length) {
+ return;
+ }
+
+ const $addDisplayDropdown = $(`<li class="add"><a href="#"><span class="icon add"></span>${Drupal.t('Add')}</a><ul class="action-list" style="display:none;"></ul></li>`);
+ const $displayButtons = $menu.nextAll('input.add-display').detach();
+ $displayButtons.appendTo($addDisplayDropdown.find('.action-list')).wrap('<li>')
+ .parent().eq(0).addClass('first').end().eq(-1).addClass('last');
+ // Remove the 'Add ' prefix from the button labels since they're being
+ // placed in an 'Add' dropdown. @todo This assumes English, but so does
+ // $addDisplayDropdown above. Add support for translation.
+ $displayButtons.each(function () {
+ const label = $(this).val();
+ if (label.substr(0, 4) === 'Add ') {
+ $(this).val(label.substr(4));
+ }
+ });
+ $addDisplayDropdown.appendTo($menu);
+
+ // Add the click handler for the add display button.
+ $menu.find('li.add > a').on('click', function (event) {
+ event.preventDefault();
+ const $trigger = $(this);
+ Drupal.behaviors.viewsUiRenderAddViewButton.toggleMenu($trigger);
+ });
+ // Add a mouseleave handler to close the dropdown when the user mouses
+ // away from the item. We use mouseleave instead of mouseout because
+ // the user is going to trigger mouseout when she moves from the trigger
+ // link to the sub menu items.
+ // We use the live binder because the open class on this item will be
+ // toggled on and off and we want the handler to take effect in the cases
+ // that the class is present, but not when it isn't.
+ $('li.add', $menu).on('mouseleave', function (event) {
+ const $this = $(this);
+ const $trigger = $this.children('a[href="#"]');
+ if ($this.children('.action-list').is(':visible')) {
+ Drupal.behaviors.viewsUiRenderAddViewButton.toggleMenu($trigger);
+ }
+ });
+ },
+ };
+
+ /**
+ * Toggle menu visibility.
+ *
+ * @param {jQuery} $trigger
+ * The element where the toggle was triggered.
+ *
+ *
+ * @note [@jessebeach] I feel like the following should be a more generic
+ * function and not written specifically for this UI, but I'm not sure
+ * where to put it.
+ */
+ Drupal.behaviors.viewsUiRenderAddViewButton.toggleMenu = function ($trigger) {
+ $trigger.parent().toggleClass('open');
+ $trigger.next().slideToggle('fast');
+ };
+
+ /**
+ * Add search options to the views ui.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Attaches {@link Drupal.viewsUi.OptionsSearch} to the views ui filter
+ * options.
+ */
+ Drupal.behaviors.viewsUiSearchOptions = {
+ attach(context) {
+ const $context = $(context);
+ let $form = $context;
+ // The add handler form may have an id of views-ui-add-handler-form--n.
+ if (!$context.is('form[id^="views-ui-add-handler-form"]')) {
+ $form = $context.find('form[id^="views-ui-add-handler-form"]');
+ }
+ // Make sure we don't add more than one event handler to the same form.
+ if ($form.once('views-ui-filter-options').length) {
+ new Drupal.viewsUi.OptionsSearch($form);
+ }
+ },
+ };
+
+ /**
+ * Constructor for the viewsUi.OptionsSearch object.
+ *
+ * The OptionsSearch object filters the available options on a form according
+ * to the user's search term. Typing in "taxonomy" will show only those
+ * options containing "taxonomy" in their label.
+ *
+ * @constructor
+ *
+ * @param {jQuery} $form
+ * The form element.
+ */
+ Drupal.viewsUi.OptionsSearch = function ($form) {
+ /**
+ *
+ * @type {jQuery}
+ */
+ this.$form = $form;
+
+ // Click on the title checks the box.
+ this.$form.on('click', 'td.title', (event) => {
+ const $target = $(event.currentTarget);
+ $target.closest('tr').find('input').trigger('click');
+ });
+
+ const searchBoxSelector = '[data-drupal-selector="edit-override-controls-options-search"]';
+ const controlGroupSelector = '[data-drupal-selector="edit-override-controls-group"]';
+ this.$form.on('formUpdated', `${searchBoxSelector},${controlGroupSelector}`, $.proxy(this.handleFilter, this));
+
+ this.$searchBox = this.$form.find(searchBoxSelector);
+ this.$controlGroup = this.$form.find(controlGroupSelector);
+
+ /**
+ * Get a list of option labels and their corresponding divs and maintain it
+ * in memory, so we have as little overhead as possible at keyup time.
+ */
+ this.options = this.getOptions(this.$form.find('.filterable-option'));
+
+ // Trap the ENTER key in the search box so that it doesn't submit the form.
+ this.$searchBox.on('keypress', (event) => {
+ if (event.which === 13) {
+ event.preventDefault();
+ }
+ });
+ };
+
+ $.extend(Drupal.viewsUi.OptionsSearch.prototype, /** @lends Drupal.viewsUi.OptionsSearch# */{
+
+ /**
+ * Assemble a list of all the filterable options on the form.
+ *
+ * @param {jQuery} $allOptions
+ * A jQuery object representing the rows of filterable options to be
+ * shown and hidden depending on the user's search terms.
+ *
+ * @return {Array}
+ * An array of all the filterable options.
+ */
+ getOptions($allOptions) {
+ let $title;
+ let $description;
+ let $option;
+ const options = [];
+ const length = $allOptions.length;
+ for (let i = 0; i < length; i++) {
+ $option = $($allOptions[i]);
+ $title = $option.find('.title');
+ $description = $option.find('.description');
+ options[i] = {
+ // Search on the lowercase version of the title text + description.
+ searchText: `${$title.text().toLowerCase()} ${$description.text().toLowerCase()}`,
+ // Maintain a reference to the jQuery object for each row, so we don't
+ // have to create a new object inside the performance-sensitive keyup
+ // handler.
+ $div: $option,
+ };
+ }
+ return options;
+ },
+
+ /**
+ * Filter handler for the search box and type select that hides or shows the relevant
+ * options.
+ *
+ * @param {jQuery.Event} event
+ * The formUpdated event.
+ */
+ handleFilter(event) {
+ // Determine the user's search query. The search text has been converted
+ // to lowercase.
+ const search = this.$searchBox.val().toLowerCase();
+ const words = search.split(' ');
+ // Get selected Group
+ const group = this.$controlGroup.val();
+
+ // Search through the search texts in the form for matching text.
+ this.options.forEach((option) => {
+ function hasWord(word) {
+ return option.searchText.indexOf(word) !== -1;
+ }
+
+ let found = true;
+ // Each word in the search string has to match the item in order for the
+ // item to be shown.
+ if (search) {
+ found = words.every(hasWord);
+ }
+ if (found && group !== 'all') {
+ found = option.$div.hasClass(group);
+ }
+
+ option.$div.toggle(found);
+ });
+
+ // Adapt dialog to content size.
+ $(event.target).trigger('dialogContentResize');
+ },
+ });
+
+ /**
+ * Preview functionality in the views edit form.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Attaches the preview functionality to the view edit form.
+ */
+ Drupal.behaviors.viewsUiPreview = {
+ attach(context) {
+ // Only act on the edit view form.
+ const $contextualFiltersBucket = $(context).find('.views-display-column .views-ui-display-tab-bucket.argument');
+ if ($contextualFiltersBucket.length === 0) {
+ return;
+ }
+
+ // If the display has no contextual filters, hide the form where you
+ // enter the contextual filters for the live preview. If it has contextual
+ // filters, show the form.
+ const $contextualFilters = $contextualFiltersBucket.find('.views-display-setting a');
+ if ($contextualFilters.length) {
+ $('#preview-args').parent().show();
+ }
+ else {
+ $('#preview-args').parent().hide();
+ }
+
+ // Executes an initial preview.
+ if ($('#edit-displays-live-preview').once('edit-displays-live-preview').is(':checked')) {
+ $('#preview-submit').once('edit-displays-live-preview').trigger('click');
+ }
+ },
+ };
+
+ /**
+ * Rearranges the filters.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Attach handlers to make it possible to rearange the filters in the form
+ * in question.
+ * @see Drupal.viewsUi.RearrangeFilterHandler
+ */
+ Drupal.behaviors.viewsUiRearrangeFilter = {
+ attach(context) {
+ // Only act on the rearrange filter form.
+ if (typeof Drupal.tableDrag === 'undefined' || typeof Drupal.tableDrag['views-rearrange-filters'] === 'undefined') {
+ return;
+ }
+ const $context = $(context);
+ const $table = $context.find('#views-rearrange-filters').once('views-rearrange-filters');
+ const $operator = $context.find('.js-form-item-filter-groups-operator').once('views-rearrange-filters');
+ if ($table.length) {
+ new Drupal.viewsUi.RearrangeFilterHandler($table, $operator);
+ }
+ },
+ };
+
+ /**
+ * Improve the UI of the rearrange filters dialog box.
+ *
+ * @constructor
+ *
+ * @param {jQuery} $table
+ * The table in the filter form.
+ * @param {jQuery} $operator
+ * The filter groups operator element.
+ */
+ Drupal.viewsUi.RearrangeFilterHandler = function ($table, $operator) {
+ /**
+ * Keep a reference to the `<table>` being altered and to the div containing
+ * the filter groups operator dropdown (if it exists).
+ */
+ this.table = $table;
+
+ /**
+ *
+ * @type {jQuery}
+ */
+ this.operator = $operator;
+
+ /**
+ *
+ * @type {bool}
+ */
+ this.hasGroupOperator = this.operator.length > 0;
+
+ /**
+ * Keep a reference to all draggable rows within the table.
+ *
+ * @type {jQuery}
+ */
+ this.draggableRows = $table.find('.draggable');
+
+ /**
+ * Keep a reference to the buttons for adding and removing filter groups.
+ *
+ * @type {jQuery}
+ */
+ this.addGroupButton = $('input#views-add-group');
+
+ /**
+ * @type {jQuery}
+ */
+ this.removeGroupButtons = $table.find('input.views-remove-group');
+
+ // Add links that duplicate the functionality of the (hidden) add and remove
+ // buttons.
+ this.insertAddRemoveFilterGroupLinks();
+
+ // When there is a filter groups operator dropdown on the page, create
+ // duplicates of the dropdown between each pair of filter groups.
+ if (this.hasGroupOperator) {
+ /**
+ * @type {jQuery}
+ */
+ this.dropdowns = this.duplicateGroupsOperator();
+ this.syncGroupsOperators();
+ }
+
+ // Add methods to the tableDrag instance to account for operator cells
+ // (which span multiple rows), the operator labels next to each filter
+ // (e.g., "And" or "Or"), the filter groups, and other special aspects of
+ // this tableDrag instance.
+ this.modifyTableDrag();
+
+ // Initialize the operator labels (e.g., "And" or "Or") that are displayed
+ // next to the filters in each group, and bind a handler so that they change
+ // based on the values of the operator dropdown within that group.
+ this.redrawOperatorLabels();
+ $table.find('.views-group-title select')
+ .once('views-rearrange-filter-handler')
+ .on('change.views-rearrange-filter-handler', $.proxy(this, 'redrawOperatorLabels'));
+
+ // Bind handlers so that when a "Remove" link is clicked, we:
+ // - Update the rowspans of cells containing an operator dropdown (since
+ // they need to change to reflect the number of rows in each group).
+ // - Redraw the operator labels next to the filters in the group (since the
+ // filter that is currently displayed last in each group is not supposed
+ // to have a label display next to it).
+ $table.find('a.views-groups-remove-link')
+ .once('views-rearrange-filter-handler')
+ .on('click.views-rearrange-filter-handler', $.proxy(this, 'updateRowspans'))
+ .on('click.views-rearrange-filter-handler', $.proxy(this, 'redrawOperatorLabels'));
+ };
+
+ $.extend(Drupal.viewsUi.RearrangeFilterHandler.prototype, /** @lends Drupal.viewsUi.RearrangeFilterHandler# */{
+
+ /**
+ * Insert links that allow filter groups to be added and removed.
+ */
+ insertAddRemoveFilterGroupLinks() {
+ // Insert a link for adding a new group at the top of the page, and make
+ // it match the action link styling used in a typical page.html.twig.
+ // Since Drupal does not provide a theme function for this markup this is
+ // the best we can do.
+ $(`<ul class="action-links"><li><a id="views-add-group-link" href="#">${this.addGroupButton.val()}</a></li></ul>`)
+ .prependTo(this.table.parent())
+ // When the link is clicked, dynamically click the hidden form button
+ // for adding a new filter group.
+ .once('views-rearrange-filter-handler')
+ .find('#views-add-group-link')
+ .on('click.views-rearrange-filter-handler', $.proxy(this, 'clickAddGroupButton'));
+
+ // Find each (visually hidden) button for removing a filter group and
+ // insert a link next to it.
+ const length = this.removeGroupButtons.length;
+ let i;
+ for (i = 0; i < length; i++) {
+ const $removeGroupButton = $(this.removeGroupButtons[i]);
+ const buttonId = $removeGroupButton.attr('id');
+ $(`<a href="#" class="views-remove-group-link">${Drupal.t('Remove group')}</a>`)
+ .insertBefore($removeGroupButton)
+ // When the link is clicked, dynamically click the corresponding form
+ // button.
+ .once('views-rearrange-filter-handler')
+ .on('click.views-rearrange-filter-handler', { buttonId }, $.proxy(this, 'clickRemoveGroupButton'));
+ }
+ },
+
+ /**
+ * Dynamically click the button that adds a new filter group.
+ *
+ * @param {jQuery.Event} event
+ * The event triggered.
+ */
+ clickAddGroupButton(event) {
+ this.addGroupButton.trigger('mousedown');
+ event.preventDefault();
+ },
+
+ /**
+ * Dynamically click a button for removing a filter group.
+ *
+ * @param {jQuery.Event} event
+ * Event being triggered, with event.data.buttonId set to the ID of the
+ * form button that should be clicked.
+ */
+ clickRemoveGroupButton(event) {
+ this.table.find(`#${event.data.buttonId}`).trigger('mousedown');
+ event.preventDefault();
+ },
+
+ /**
+ * Move the groups operator so that it's between the first two groups, and
+ * duplicate it between any subsequent groups.
+ *
+ * @return {jQuery}
+ * An operator element.
+ */
+ duplicateGroupsOperator() {
+ let dropdowns;
+ let newRow;
+ let titleRow;
+
+ const titleRows = $('tr.views-group-title').once('duplicateGroupsOperator');
+
+ if (!titleRows.length) {
+ return this.operator;
+ }
+
+ // Get rid of the explanatory text around the operator; its placement is
+ // explanatory enough.
+ this.operator.find('label').add('div.description').addClass('visually-hidden');
+ this.operator.find('select').addClass('form-select');
+
+ // Keep a list of the operator dropdowns, so we can sync their behavior
+ // later.
+ dropdowns = this.operator;
+
+ // Move the operator to a new row just above the second group.
+ titleRow = $('tr#views-group-title-2');
+ newRow = $('<tr class="filter-group-operator-row"><td colspan="5"></td></tr>');
+ newRow.find('td').append(this.operator);
+ newRow.insertBefore(titleRow);
+ const length = titleRows.length;
+ // Starting with the third group, copy the operator to a new row above the
+ // group title.
+ for (let i = 2; i < length; i++) {
+ titleRow = $(titleRows[i]);
+ // Make a copy of the operator dropdown and put it in a new table row.
+ const fakeOperator = this.operator.clone();
+ fakeOperator.attr('id', '');
+ newRow = $('<tr class="filter-group-operator-row"><td colspan="5"></td></tr>');
+ newRow.find('td').append(fakeOperator);
+ newRow.insertBefore(titleRow);
+ dropdowns.add(fakeOperator);
+ }
+
+ return dropdowns;
+ },
+
+ /**
+ * Make the duplicated groups operators change in sync with each other.
+ */
+ syncGroupsOperators() {
+ if (this.dropdowns.length < 2) {
+ // We only have one dropdown (or none at all), so there's nothing to
+ // sync.
+ return;
+ }
+
+ this.dropdowns.on('change', $.proxy(this, 'operatorChangeHandler'));
+ },
+
+ /**
+ * Click handler for the operators that appear between filter groups.
+ *
+ * Forces all operator dropdowns to have the same value.
+ *
+ * @param {jQuery.Event} event
+ * The event triggered.
+ */
+ operatorChangeHandler(event) {
+ const $target = $(event.target);
+ const operators = this.dropdowns.find('select').not($target);
+
+ // Change the other operators to match this new value.
+ operators.val($target.val());
+ },
+
+ /**
+ * @method
+ */
+ modifyTableDrag() {
+ const tableDrag = Drupal.tableDrag['views-rearrange-filters'];
+ const filterHandler = this;
+
+ /**
+ * Override the row.onSwap method from tabledrag.js.
+ *
+ * When a row is dragged to another place in the table, several things
+ * need to occur.
+ * - The row needs to be moved so that it's within one of the filter
+ * groups.
+ * - The operator cells that span multiple rows need their rowspan
+ * attributes updated to reflect the number of rows in each group.
+ * - The operator labels that are displayed next to each filter need to
+ * be redrawn, to account for the row's new location.
+ */
+ tableDrag.row.prototype.onSwap = function () {
+ if (filterHandler.hasGroupOperator) {
+ // Make sure the row that just got moved (this.group) is inside one
+ // of the filter groups (i.e. below an empty marker row or a
+ // draggable). If it isn't, move it down one.
+ const thisRow = $(this.group);
+ const previousRow = thisRow.prev('tr');
+ if (previousRow.length && !previousRow.hasClass('group-message') && !previousRow.hasClass('draggable')) {
+ // Move the dragged row down one.
+ const next = thisRow.next();
+ if (next.is('tr')) {
+ this.swap('after', next);
+ }
+ }
+ filterHandler.updateRowspans();
+ }
+ // Redraw the operator labels that are displayed next to each filter, to
+ // account for the row's new location.
+ filterHandler.redrawOperatorLabels();
+ };
+
+ /**
+ * Override the onDrop method from tabledrag.js.
+ */
+ tableDrag.onDrop = function () {
+ // If the tabledrag change marker (i.e., the "*") has been inserted
+ // inside a row after the operator label (i.e., "And" or "Or")
+ // rearrange the items so the operator label continues to appear last.
+ const changeMarker = $(this.oldRowElement).find('.tabledrag-changed');
+ if (changeMarker.length) {
+ // Search for occurrences of the operator label before the change
+ // marker, and reverse them.
+ const operatorLabel = changeMarker.prevAll('.views-operator-label');
+ if (operatorLabel.length) {
+ operatorLabel.insertAfter(changeMarker);
+ }
+ }
+
+ // Make sure the "group" dropdown is properly updated when rows are
+ // dragged into an empty filter group. This is borrowed heavily from
+ // the block.js implementation of tableDrag.onDrop().
+ const groupRow = $(this.rowObject.element).prevAll('tr.group-message').get(0);
+ const groupName = groupRow.className.replace(/([^ ]+[ ]+)*group-([^ ]+)-message([ ]+[^ ]+)*/, '$2');
+ const groupField = $('select.views-group-select', this.rowObject.element);
+ if ($(this.rowObject.element).prev('tr').is('.group-message') && !groupField.is(`.views-group-select-${groupName}`)) {
+ const oldGroupName = groupField.attr('class').replace(/([^ ]+[ ]+)*views-group-select-([^ ]+)([ ]+[^ ]+)*/, '$2');
+ groupField.removeClass(`views-group-select-${oldGroupName}`).addClass(`views-group-select-${groupName}`);
+ groupField.val(groupName);
+ }
+ };
+ },
+
+ /**
+ * Redraw the operator labels that are displayed next to each filter.
+ */
+ redrawOperatorLabels() {
+ for (let i = 0; i < this.draggableRows.length; i++) {
+ // Within the row, the operator labels are displayed inside the first
+ // table cell (next to the filter name).
+ const $draggableRow = $(this.draggableRows[i]);
+ const $firstCell = $draggableRow.find('td').eq(0);
+ if ($firstCell.length) {
+ // The value of the operator label ("And" or "Or") is taken from the
+ // first operator dropdown we encounter, going backwards from the
+ // current row. This dropdown is the one associated with the current
+ // row's filter group.
+ const operatorValue = $draggableRow.prevAll('.views-group-title').find('option:selected').html();
+ const operatorLabel = `<span class="views-operator-label">${operatorValue}</span>`;
+ // If the next visible row after this one is a draggable filter row,
+ // display the operator label next to the current row. (Checking for
+ // visibility is necessary here since the "Remove" links hide the
+ // removed row but don't actually remove it from the document).
+ const $nextRow = $draggableRow.nextAll(':visible').eq(0);
+ const $existingOperatorLabel = $firstCell.find('.views-operator-label');
+ if ($nextRow.hasClass('draggable')) {
+ // If an operator label was already there, replace it with the new
+ // one.
+ if ($existingOperatorLabel.length) {
+ $existingOperatorLabel.replaceWith(operatorLabel);
+ }
+ // Otherwise, append the operator label to the end of the table
+ // cell.
+ else {
+ $firstCell.append(operatorLabel);
+ }
+ }
+ // If the next row doesn't contain a filter, then this is the last row
+ // in the group. We don't want to display the operator there (since
+ // operators should only display between two related filters, e.g.
+ // "filter1 AND filter2 AND filter3"). So we remove any existing label
+ // that this row has.
+ else {
+ $existingOperatorLabel.remove();
+ }
+ }
+ }
+ },
+
+ /**
+ * Update the rowspan attribute of each cell containing an operator
+ * dropdown.
+ */
+ updateRowspans() {
+ let $row;
+ let $currentEmptyRow;
+ let draggableCount;
+ let $operatorCell;
+ const rows = $(this.table).find('tr');
+ const length = rows.length;
+ for (let i = 0; i < length; i++) {
+ $row = $(rows[i]);
+ if ($row.hasClass('views-group-title')) {
+ // This row is a title row.
+ // Keep a reference to the cell containing the dropdown operator.
+ $operatorCell = $row.find('td.group-operator');
+ // Assume this filter group is empty, until we find otherwise.
+ draggableCount = 0;
+ $currentEmptyRow = $row.next('tr');
+ $currentEmptyRow.removeClass('group-populated').addClass('group-empty');
+ // The cell with the dropdown operator should span the title row and
+ // the "this group is empty" row.
+ $operatorCell.attr('rowspan', 2);
+ }
+ else if ($row.hasClass('draggable') && $row.is(':visible')) {
+ // We've found a visible filter row, so we now know the group isn't
+ // empty.
+ draggableCount++;
+ $currentEmptyRow.removeClass('group-empty').addClass('group-populated');
+ // The operator cell should span all draggable rows, plus the title.
+ $operatorCell.attr('rowspan', draggableCount + 1);
+ }
+ }
+ },
+ });
+
+ /**
+ * Add a select all checkbox, which checks each checkbox at once.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Attaches select all functionality to the views filter form.
+ */
+ Drupal.behaviors.viewsFilterConfigSelectAll = {
+ attach(context) {
+ const $context = $(context);
+
+ const $selectAll = $context.find('.js-form-item-options-value-all').once('filterConfigSelectAll');
+ const $selectAllCheckbox = $selectAll.find('input[type=checkbox]');
+ const $checkboxes = $selectAll.closest('.form-checkboxes').find('.js-form-type-checkbox:not(.js-form-item-options-value-all) input[type="checkbox"]');
+
+ if ($selectAll.length) {
+ // Show the select all checkbox.
+ $selectAll.show();
+ $selectAllCheckbox.on('click', function () {
+ // Update all checkbox beside the select all checkbox.
+ $checkboxes.prop('checked', $(this).is(':checked'));
+ });
+
+ // Uncheck the select all checkbox if any of the others are unchecked.
+ $checkboxes.on('click', function () {
+ if ($(this).is('checked') === false) {
+ $selectAllCheckbox.prop('checked', false);
+ }
+ });
+ }
+ },
+ };
+
+ /**
+ * Remove icon class from elements that are themed as buttons or dropbuttons.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Removes the icon class from certain views elements.
+ */
+ Drupal.behaviors.viewsRemoveIconClass = {
+ attach(context) {
+ $(context).find('.dropbutton').once('dropbutton-icon').find('.icon').removeClass('icon');
+ },
+ };
+
+ /**
+ * Change "Expose filter" buttons into checkboxes.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Changes buttons into checkboxes via {@link Drupal.viewsUi.Checkboxifier}.
+ */
+ Drupal.behaviors.viewsUiCheckboxify = {
+ attach(context, settings) {
+ const $buttons = $('[data-drupal-selector="edit-options-expose-button-button"], [data-drupal-selector="edit-options-group-button-button"]').once('views-ui-checkboxify');
+ const length = $buttons.length;
+ let i;
+ for (i = 0; i < length; i++) {
+ new Drupal.viewsUi.Checkboxifier($buttons[i]);
+ }
+ },
+ };
+
+ /**
+ * Change the default widget to select the default group according to the
+ * selected widget for the exposed group.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Changes the default widget based on user input.
+ */
+ Drupal.behaviors.viewsUiChangeDefaultWidget = {
+ attach(context) {
+ const $context = $(context);
+
+ function changeDefaultWidget(event) {
+ if ($(event.target).prop('checked')) {
+ $context.find('input.default-radios').parent().hide();
+ $context.find('td.any-default-radios-row').parent().hide();
+ $context.find('input.default-checkboxes').parent().show();
+ }
+ else {
+ $context.find('input.default-checkboxes').parent().hide();
+ $context.find('td.any-default-radios-row').parent().show();
+ $context.find('input.default-radios').parent().show();
+ }
+ }
+
+ // Update on widget change.
+ $context.find('input[name="options[group_info][multiple]"]')
+ .on('change', changeDefaultWidget)
+ // Update the first time the form is rendered.
+ .trigger('change');
+ },
+ };
+
+ /**
+ * Attaches expose filter button to a checkbox that triggers its click event.
+ *
+ * @constructor
+ *
+ * @param {HTMLElement} button
+ * The DOM object representing the button to be checkboxified.
+ */
+ Drupal.viewsUi.Checkboxifier = function (button) {
+ this.$button = $(button);
+ this.$parent = this.$button.parent('div.views-expose, div.views-grouped');
+ this.$input = this.$parent.find('input:checkbox, input:radio');
+ // Hide the button and its description.
+ this.$button.hide();
+ this.$parent.find('.exposed-description, .grouped-description').hide();
+
+ this.$input.on('click', $.proxy(this, 'clickHandler'));
+ };
+
+ /**
+ * When the checkbox is checked or unchecked, simulate a button press.
+ *
+ * @param {jQuery.Event} e
+ * The event triggered.
+ */
+ Drupal.viewsUi.Checkboxifier.prototype.clickHandler = function (e) {
+ this.$button
+ .trigger('click')
+ .trigger('submit');
+ };
+
+ /**
+ * Change the Apply button text based upon the override select state.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Attaches behavior to change the Apply button according to the current
+ * state.
+ */
+ Drupal.behaviors.viewsUiOverrideSelect = {
+ attach(context) {
+ $(context).find('[data-drupal-selector="edit-override-dropdown"]').once('views-ui-override-button-text').each(function () {
+ // Closures! :(
+ const $context = $(context);
+ const $submit = $context.find('[id^=edit-submit]');
+ const old_value = $submit.val();
+
+ $submit.once('views-ui-override-button-text')
+ .on('mouseup', function () {
+ $(this).val(old_value);
+ return true;
+ });
+
+ $(this).on('change', function () {
+ const $this = $(this);
+ if ($this.val() === 'default') {
+ $submit.val(Drupal.t('Apply (all displays)'));
+ }
+ else if ($this.val() === 'default_revert') {
+ $submit.val(Drupal.t('Revert to default'));
+ }
+ else {
+ $submit.val(Drupal.t('Apply (this display)'));
+ }
+ const $dialog = $context.closest('.ui-dialog-content');
+ $dialog.trigger('dialogButtonsChange');
+ })
+ .trigger('change');
+ });
+ },
+ };
+
+ /**
+ * Functionality for the remove link in the views UI.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Attaches behavior for the remove view and remove display links.
+ */
+ Drupal.behaviors.viewsUiHandlerRemoveLink = {
+ attach(context) {
+ const $context = $(context);
+ // Handle handler deletion by looking for the hidden checkbox and hiding
+ // the row.
+ $context.find('a.views-remove-link').once('views').on('click', function (event) {
+ const id = $(this).attr('id').replace('views-remove-link-', '');
+ $context.find(`#views-row-${id}`).hide();
+ $context.find(`#views-removed-${id}`).prop('checked', true);
+ event.preventDefault();
+ });
+
+ // Handle display deletion by looking for the hidden checkbox and hiding
+ // the row.
+ $context.find('a.display-remove-link').once('display').on('click', function (event) {
+ const id = $(this).attr('id').replace('display-remove-link-', '');
+ $context.find(`#display-row-${id}`).hide();
+ $context.find(`#display-removed-${id}`).prop('checked', true);
+ event.preventDefault();
+ });
+ },
+ };
+}(jQuery, Drupal, drupalSettings));
projects / yaffs-website / blobdiff