86 lines
3 KiB
JavaScript
86 lines
3 KiB
JavaScript
/**
|
|
* @file
|
|
* User permission page behaviors.
|
|
*/
|
|
|
|
(function ($) {
|
|
|
|
"use strict";
|
|
|
|
/**
|
|
* Shows checked and disabled checkboxes for inherited permissions.
|
|
*
|
|
* @type {Drupal~behavior}
|
|
*/
|
|
Drupal.behaviors.permissions = {
|
|
attach: function (context) {
|
|
var self = this;
|
|
$('table#permissions').once('permissions').each(function () {
|
|
// On a site with many roles and permissions, this behavior initially has
|
|
// to perform thousands of DOM manipulations to inject checkboxes and hide
|
|
// them. By detaching the table from the DOM, all operations can be
|
|
// performed without triggering internal layout and re-rendering processes
|
|
// in the browser.
|
|
var $table = $(this);
|
|
var $ancestor;
|
|
var method;
|
|
if ($table.prev().length) {
|
|
$ancestor = $table.prev();
|
|
method = 'after';
|
|
}
|
|
else {
|
|
$ancestor = $table.parent();
|
|
method = 'append';
|
|
}
|
|
$table.detach();
|
|
|
|
// Create dummy checkboxes. We use dummy checkboxes instead of reusing
|
|
// the existing checkboxes here because new checkboxes don't alter the
|
|
// submitted form. If we'd automatically check existing checkboxes, the
|
|
// permission table would be polluted with redundant entries. This
|
|
// is deliberate, but desirable when we automatically check them.
|
|
var $dummy = $('<input type="checkbox" class="dummy-checkbox js-dummy-checkbox" disabled="disabled" checked="checked" />')
|
|
.attr('title', Drupal.t("This permission is inherited from the authenticated user role."))
|
|
.hide();
|
|
|
|
$table
|
|
.find('input[type="checkbox"]')
|
|
.not('.js-rid-anonymous, .js-rid-authenticated')
|
|
.addClass('real-checkbox js-real-checkbox')
|
|
.after($dummy);
|
|
|
|
// Initialize the authenticated user checkbox.
|
|
$table.find('input[type=checkbox].js-rid-authenticated')
|
|
.on('click.permissions', self.toggle)
|
|
// .triggerHandler() cannot be used here, as it only affects the first
|
|
// element.
|
|
.each(self.toggle);
|
|
|
|
// Re-insert the table into the DOM.
|
|
$ancestor[method]($table);
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Toggles all dummy checkboxes based on the checkboxes' state.
|
|
*
|
|
* If the "authenticated user" checkbox is checked, the checked and disabled
|
|
* checkboxes are shown, the real checkboxes otherwise.
|
|
*/
|
|
toggle: function () {
|
|
var authCheckbox = this;
|
|
var $row = $(this).closest('tr');
|
|
// jQuery performs too many layout calculations for .hide() and .show(),
|
|
// leading to a major page rendering lag on sites with many roles and
|
|
// permissions. Therefore, we toggle visibility directly.
|
|
$row.find('.js-real-checkbox').each(function () {
|
|
this.style.display = (authCheckbox.checked ? 'none' : '');
|
|
});
|
|
$row.find('.js-dummy-checkbox').each(function () {
|
|
this.style.display = (authCheckbox.checked ? '' : 'none');
|
|
});
|
|
}
|
|
};
|
|
|
|
})(jQuery);
|