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Move into nested docroot

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Rob Davies 2017-02-13 15:31:17 +00:00
parent 83a0d3a149
commit c8b70abde9
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197
web/core/modules/toolbar/js/toolbar.menu.js Normal file
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/**
* @file
* Builds a nested accordion widget.
*
* Invoke on an HTML list element with the jQuery plugin pattern.
*
* @example
* $('.toolbar-menu').drupalToolbarMenu();
*/
(function ($, Drupal, drupalSettings) {
'use strict';
/**
* Store the open menu tray.
*/
var activeItem = Drupal.url(drupalSettings.path.currentPath);
$.fn.drupalToolbarMenu = function () {
var ui = {
handleOpen: Drupal.t('Extend'),
handleClose: Drupal.t('Collapse')
};
/**
* Handle clicks from the disclosure button on an item with sub-items.
*
* @param {Object} event
* A jQuery Event object.
*/
function toggleClickHandler(event) {
var $toggle = $(event.target);
var $item = $toggle.closest('li');
// Toggle the list item.
toggleList($item);
// Close open sibling menus.
var $openItems = $item.siblings().filter('.open');
toggleList($openItems, false);
}
/**
* Handle clicks from a menu item link.
*
* @param {Object} event
* A jQuery Event object.
*/
function linkClickHandler(event) {
// If the toolbar is positioned fixed (and therefore hiding content
// underneath), then users expect clicks in the administration menu tray
// to take them to that destination but for the menu tray to be closed
// after clicking: otherwise the toolbar itself is obstructing the view
// of the destination they chose.
if (!Drupal.toolbar.models.toolbarModel.get('isFixed')) {
Drupal.toolbar.models.toolbarModel.set('activeTab', null);
}
// Stopping propagation to make sure that once a toolbar-box is clicked
// (the whitespace part), the page is not redirected anymore.
event.stopPropagation();
}
/**
* Toggle the open/close state of a list is a menu.
*
* @param {jQuery} $item
* The li item to be toggled.
*
* @param {Boolean} switcher
* A flag that forces toggleClass to add or a remove a class, rather than
* simply toggling its presence.
*/
function toggleList($item, switcher) {
var $toggle = $item.children('.toolbar-box').children('.toolbar-handle');
switcher = (typeof switcher !== 'undefined') ? switcher : !$item.hasClass('open');
// Toggle the item open state.
$item.toggleClass('open', switcher);
// Twist the toggle.
$toggle.toggleClass('open', switcher);
// Adjust the toggle text.
$toggle
.find('.action')
// Expand Structure, Collapse Structure.
.text((switcher) ? ui.handleClose : ui.handleOpen);
}
/**
* Add markup to the menu elements.
*
* Items with sub-elements have a list toggle attached to them. Menu item
* links and the corresponding list toggle are wrapped with in a div
* classed with .toolbar-box. The .toolbar-box div provides a positioning
* context for the item list toggle.
*
* @param {jQuery} $menu
* The root of the menu to be initialized.
*/
function initItems($menu) {
var options = {
class: 'toolbar-icon toolbar-handle',
action: ui.handleOpen,
text: ''
};
// Initialize items and their links.
$menu.find('li > a').wrap('<div class="toolbar-box">');
// Add a handle to each list item if it has a menu.
$menu.find('li').each(function (index, element) {
var $item = $(element);
if ($item.children('ul.toolbar-menu').length) {
var $box = $item.children('.toolbar-box');
options.text = Drupal.t('@label', {'@label': $box.find('a').text()});
$item.children('.toolbar-box')
.append(Drupal.theme('toolbarMenuItemToggle', options));
}
});
}
/**
* Adds a level class to each list based on its depth in the menu.
*
* This function is called recursively on each sub level of lists elements
* until the depth of the menu is exhausted.
*
* @param {jQuery} $lists
* A jQuery object of ul elements.
*
* @param {number} level
* The current level number to be assigned to the list elements.
*/
function markListLevels($lists, level) {
level = (!level) ? 1 : level;
var $lis = $lists.children('li').addClass('level-' + level);
$lists = $lis.children('ul');
if ($lists.length) {
markListLevels($lists, level + 1);
}
}
/**
* On page load, open the active menu item.
*
* Marks the trail of the active link in the menu back to the root of the
* menu with .menu-item--active-trail.
*
* @param {jQuery} $menu
* The root of the menu.
*/
function openActiveItem($menu) {
var pathItem = $menu.find('a[href="' + location.pathname + '"]');
if (pathItem.length && !activeItem) {
activeItem = location.pathname;
}
if (activeItem) {
var $activeItem = $menu.find('a[href="' + activeItem + '"]').addClass('menu-item--active');
var $activeTrail = $activeItem.parentsUntil('.root', 'li').addClass('menu-item--active-trail');
toggleList($activeTrail, true);
}
}
// Return the jQuery object.
return this.each(function (selector) {
var $menu = $(this).once('toolbar-menu');
if ($menu.length) {
// Bind event handlers.
$menu
.on('click.toolbar', '.toolbar-box', toggleClickHandler)
.on('click.toolbar', '.toolbar-box a', linkClickHandler);
$menu.addClass('root');
initItems($menu);
markListLevels($menu);
// Restore previous and active states.
openActiveItem($menu);
}
});
};
/**
* A toggle is an interactive element often bound to a click handler.
*
* @param {object} options
* Options for the button.
* @param {string} options.class
* Class to set on the button.
* @param {string} options.action
* Action for the button.
* @param {string} options.text
* Used as label for the button.
*
* @return {string}
* A string representing a DOM fragment.
*/
Drupal.theme.toolbarMenuItemToggle = function (options) {
return '<button class="' + options['class'] + '"><span class="action">' + options.action + '</span><span class="label">' + options.text + '</span></button>';
};
}(jQuery, Drupal, drupalSettings));