class FPAFormBuilder in Fast Permissions Administration 3.0.x
Same name and namespace in other branches
- 8.2 src/FPAFormBuilder.php \Drupal\fpa\FPAFormBuilder
Class FPAFormBuilder.
The main class for building the FPA page.
@package Drupal\fpa
Hierarchy
- class \Drupal\fpa\FPAFormBuilder
Expanded class hierarchy of FPAFormBuilder
3 files declare their use of FPAFormBuilder
- fpa.install in ./
fpa.install - Contains install and update functions for the Fast Permissions Administration module.
- fpa.module in ./
fpa.module - Main module file for FPA.
- FPAController.php in src/
Controller/ FPAController.php
File
- src/
FPAFormBuilder.php, line 20
Namespace
Drupal\fpaView source
class FPAFormBuilder {
/**
* Gets required memory.
*
* @return int
* Number of bytes of ram required to render the permissions form.
*/
public static function getRequiredMemory($suffix = '') {
$permission = \Drupal::service('user.permissions');
$permissions_count = count($permission
->getPermissions());
$user_roles_count = count(user_roles());
$page_ram_required = 9 * 1024 * 1024;
// Takes ~26kb per row without any checkboxes.
$permission_row_overhead = 27261.028783658;
$permissions_ram_required = $permissions_count * $permission_row_overhead;
// Determined by checking peak ram on permissions page,
// over several different number of visible roles.
$bytes_per_checkbox = 18924.508820799;
$checkboxes_ram_required = $permissions_count * $user_roles_count * $bytes_per_checkbox;
$output = (int) ($page_ram_required + $permissions_ram_required + $checkboxes_ram_required);
if (!empty($suffix)) {
return $output . $suffix;
}
return $output;
}
/**
* Checks memory limit.
*
* @return bool
* Returns true of false.
*/
public static function checkMemoryLimit() {
$permissions_memory_required = static::getRequiredMemory('b');
$memory_limit = ini_get('memory_limit');
// @todo Remove/upgrade deprecated Bytes::toInt().
return !$memory_limit || $memory_limit == -1 || Bytes::toInt($memory_limit) >= Bytes::toInt($permissions_memory_required);
}
/**
* Builds the FPA pages.
*
* @return mixed
* Returns render array.
*/
public static function buildFPAPage() {
$form = \Drupal::service('form_builder')
->getForm('\\Drupal\\user\\Form\\UserPermissionsForm');
$render = static::buildTable($form);
$render['#attached']['library'][] = 'fpa/fpa.permissions';
$render['#attached']['drupalSettings']['fpa'] = [
'attr' => [
'permission' => FPA_ATTR_PERMISSION,
'module' => FPA_ATTR_MODULE,
'role' => FPA_ATTR_ROLE,
'checked' => FPA_ATTR_CHECKED,
'not_checked' => FPA_ATTR_NOT_CHECKED,
'system_name' => FPA_ATTR_SYSTEM_NAME,
],
];
return $render;
}
/**
* Builds the permissions table.
*
* @param array $form
* Form element.
*
* @return mixed
* Returns render array.
*/
protected static function buildTable($form) {
$renderer = \Drupal::service('renderer');
$nameless_checkbox = [
'#type' => 'html_tag',
'#tag' => 'input',
'#attributes' => [
'type' => 'checkbox',
'class' => [
// Prevents Drupal core Drupal.behaviors.permissions.toggle from applying.
'rid-anonymous',
'form-checkbox',
'fpa-checkboxes-toggle',
],
],
];
$dummy_checkbox = [
'#type' => 'html_tag',
'#tag' => 'input',
'#attributes' => [
'type' => 'checkbox',
'disabled' => 'disabled',
'checked' => 'checked',
'title' => t('This permission is inherited from the authenticated user role.'),
'class' => [
'dummy-checkbox',
],
],
];
$dummy_checkbox_output = $renderer
->render($dummy_checkbox);
$permission_col_template = [
'#type' => 'container',
'#attributes' => [
'class' => [
'fpa-permission-container',
],
],
'description' => [],
'checkbox_cell' => [
'#type' => 'container',
'#attributes' => [
'class' => [
'fpa-row-toggle-container',
],
],
'checkbox_form_item' => [
'#type' => 'container',
'#attributes' => [
'title' => t('Toggle visible checkboxes in this row.'),
'class' => [
'form-item',
'form-type-checkbox',
],
],
'label' => [
'#type' => 'html_tag',
'#tag' => 'label',
'#attributes' => [
'class' => [
'visually-hidden',
],
],
'#value' => 'test',
],
'checkbox' => $nameless_checkbox,
],
],
];
$roles = \Drupal::service('entity_type.manager')
->getStorage('user_role')
->loadMultiple();
// Prepare role names processed by Html::getClass() ahead of time.
$roles_attr_values = [];
foreach ($roles as $role) {
$roles_attr_values[$role
->get('id')] = Html::getClass($role
->get('label'));
}
// Lists for wrapper.
$modules = [];
$user_roles = [];
// Index of current module row.
$module = NULL;
// Row counter.
$i = 0;
$rows = [];
foreach (Element::children($form['permissions']) as $key) {
// Row template.
$row = [
// Array of table cells.
'data' => [],
// HTML attribute on table row tag.
'title' => [],
// HTML attribute on table row tag.
FPA_ATTR_MODULE => [],
// HTML attribute on table row tag.
FPA_ATTR_PERMISSION => [],
FPA_ATTR_CHECKED => [],
FPA_ATTR_NOT_CHECKED => [],
];
$current_element = $form['permissions'][$key];
hide($form['permissions'][$key]);
$sub_children = Element::children($current_element);
// Determine if row is module or permission.
if (is_numeric($sub_children[0])) {
// Module row.
$row['class'][] = 'fpa-module-row';
// Mark current row with escaped module name.
$row[FPA_ATTR_MODULE] = [
// System name.
0 => $key,
// Readable name.
1 => strip_tags($current_element[0]['#markup']),
];
// Readable.
hide($form['permissions'][$key][0]);
$row['data'][] = [
'data' => $form['permissions'][$key][0],
'class' => [
'module',
],
'id' => 'module-' . $key,
'colspan' => count($form['role_names']['#value']) + 1,
];
$row['title'] = [
$key,
];
$row[FPA_ATTR_SYSTEM_NAME] = $row[FPA_ATTR_MODULE][0];
$classes = [];
foreach ($row[FPA_ATTR_MODULE] as $item) {
$classes[] = Html::getClass($item);
}
$row[FPA_ATTR_MODULE] = array_unique($classes);
// Add modules to left-side modules list.
$modules[$row[FPA_ATTR_MODULE][0]] = [
'text' => strip_tags($current_element[0]['#markup']),
'title' => [
$key,
],
FPA_ATTR_MODULE => $row[FPA_ATTR_MODULE],
FPA_ATTR_PERMISSION => [],
];
// Save row number for current module.
$module = $i;
}
else {
// Permission row.
$row['class'][] = 'fpa-permission-row';
$roles_keys = array_keys($roles_attr_values);
$permission_system_name = (string) $form['permissions'][$key]['description']['#context']['title'];
/*
@todo Find out why this was done in D7
$permission_system_name = '';
// Might be empty if no modules are displayed in Permissions Filter module.
if (!empty($sub_children[$roles_keys[0]])) {
$permission_system_name = $sub_children[$roles_keys[0]['#return_value'];
}
*/
$label = $permission_col_template;
$label['description'] = $current_element['description'];
/*
@todo Work on integration with permission filter module
// Permissions filter might cause no Roles to display.
if (count(element_children($form['checkboxes'])) == 0) {
unset($label['checkbox_cell']);
}
*/
// Readable.
$row['data'][] = [
'data' => $label,
'class' => [
'permission',
],
];
foreach ($roles_keys as $rid) {
$checkbox = $form['permissions'][$key][$rid];
hide($form['permissions'][$key][$rid]);
$checkbox['#title'] = $roles[$rid]
->get('label') . ': ' . $checkbox['#title'];
$checkbox['#title_display'] = 'invisible';
// Filter permissions strips role id class from checkbox. Used by Drupal core functionality.
$checkbox['#attributes']['class'][] = 'rid-' . $rid;
// Set authenticated role behavior class on page load.
if ($rid == 'authenticated' && $checkbox['#checked'] === TRUE) {
$row['class'][] = 'fpa-authenticated-role-behavior';
}
// For all roles that inherit permissions from 'authenticated user' role, add in dummy checkbox for authenticated role behavior.
// @todo Needs further testing.
if ($rid != 'anonymous' && $rid != 'authenticated') {
// '#suffix' doesn't have wrapping HTML like '#field_suffix'.
$checkbox['#suffix'] = $dummy_checkbox_output;
}
// Add rid's to row attribute for checked status filter.
if ($checkbox['#checked'] === TRUE) {
$row[FPA_ATTR_CHECKED][] = $rid;
}
else {
$row[FPA_ATTR_NOT_CHECKED][] = $rid;
}
$row['data'][] = [
'data' => $checkbox,
'class' => [
'checkbox',
],
'title' => [
$roles[$rid]
->get('label'),
],
// For role filter.
FPA_ATTR_ROLE => [
$rid,
],
];
}
if (!empty($rid)) {
$row['title'] = [
$key,
];
$row[FPA_ATTR_SYSTEM_NAME] = [
$key,
];
}
// Mark current row with escaped permission name.
$row[FPA_ATTR_PERMISSION] = [
// Permission system name.
0 => $permission_system_name,
// Readable description.
1 => (string) $form['permissions'][$key]['description']['#context']['title'],
];
// Mark current row with current module.
$row[FPA_ATTR_MODULE] = $rows[$module][FPA_ATTR_MODULE];
$classes = [];
foreach ($row[FPA_ATTR_PERMISSION] as $item) {
$classes[] = Html::getClass($item);
}
$row[FPA_ATTR_PERMISSION] = array_unique($classes);
// Add current permission to current module row.
$rows[$module][FPA_ATTR_PERMISSION] = array_merge($rows[$module][FPA_ATTR_PERMISSION], $row[FPA_ATTR_PERMISSION]);
$rows[$module][FPA_ATTR_CHECKED] = array_unique(array_merge($rows[$module][FPA_ATTR_CHECKED], $row[FPA_ATTR_CHECKED]));
$rows[$module][FPA_ATTR_NOT_CHECKED] = array_unique(array_merge($rows[$module][FPA_ATTR_NOT_CHECKED], $row[FPA_ATTR_NOT_CHECKED]));
$modules[$rows[$module][FPA_ATTR_MODULE][0]][FPA_ATTR_PERMISSION][] = $row[FPA_ATTR_PERMISSION];
}
$rows[$i++] = $row;
}
$reset_button = [
'#type' => 'html_tag',
'#tag' => 'input',
'#attributes' => [
'type' => 'reset',
'class' => 'form-submit',
'value' => t('Reset changes'),
],
];
// If there is no submit button, don't add the reset button.
if (count(Element::children($form['actions'])) > 0) {
// Have the reset button appear before the submit button.
array_unshift($form['actions'], $reset_button);
}
$actions_output = [];
foreach (Element::children($form['actions']) as $key) {
$actions_output[] = $form['actions'][$key];
}
$header = [];
$header[] = [
'data' => [
'label' => [
'#type' => 'markup',
'#markup' => t('Permission'),
],
'actions' => $actions_output,
],
];
foreach ($form['role_names']['#value'] as $rid => $label) {
$header[] = [
'data' => [
'label' => [
'#type' => 'markup',
'#markup' => $label,
],
'checkbox' => $nameless_checkbox,
],
'class' => [
'checkbox',
],
'title' => [
$label,
],
FPA_ATTR_ROLE => [
$rid,
],
];
$user_roles[$rid] = $label;
}
$table = [
'header' => $header,
'rows' => $rows,
];
$table_wrapper = static::buildTableWrapper($table, $modules, $user_roles, $actions_output);
foreach (Element::children($form) as $key) {
if ($key == 'actions' || $key == 'permissions') {
continue;
}
$table_wrapper[$key] = $form[$key];
}
unset($form['role_names']);
unset($form['permissions']);
unset($form['actions']);
$form['fpa_container'] = $table_wrapper;
return $form;
}
/**
* Build table wrapper.
*
* @param array $permissions_table
* Permissions table.
* @param array $modules
* Array of modules.
* @param array $user_roles
* Array of user roles.
* @param array $actions_output
* Actions.
*
* @return array
* Returns render array.
*/
protected static function buildTableWrapper(array $permissions_table, array $modules, array $user_roles, array $actions_output) {
$renderer = \Drupal::service('renderer');
// @todo Find out if there is a sf way to do this.
$same_page = FALSE;
if (isset($_SERVER['HTTP_REFERER']) && isset($_GET['q'])) {
$same_page = trim(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_PATH), '/') == $_GET['q'];
}
$render = [
'#type' => 'container',
'#attributes' => [
'class' => [
'fpa-container',
],
],
];
$hiders = [
'fpa-hide-descriptions' => [
'hide' => t('Hide descriptions'),
'show' => t('Show descriptions'),
],
'fpa-hide-system-names' => [
'hide' => t('Hide system names'),
'show' => t('Show system names'),
],
];
$render['#attributes']['class'][] = 'fpa-hide-system-names';
$hide_container = [
'#type' => 'container',
'#attributes' => [
'class' => [
'fpa-toggle-container',
],
],
];
foreach ($hiders as $hide_class => $labels) {
$url = Url::fromUri('base:', [
'fragment' => ' ',
'external' => TRUE,
'attributes' => array_merge($labels, [
'fpa-toggle-class' => $hide_class,
]),
]);
$hide_container[$hide_class] = Link::fromTextAndUrl('', $url)
->toRenderable();
}
$render['hide_container'] = $hide_container;
$wrapper = [
'#type' => 'container',
'#attributes' => [
'class' => [
'fpa-wrapper',
],
],
];
$render['wrapper'] =& $wrapper;
// <style /> block template.
$style_template = [
'#type' => 'container',
'#attributes' => [
'class' => [
// Override on specific block.
'style-wrapper-class-name',
],
],
];
$style_template['style'] = [
'#type' => 'html_tag',
'#tag' => 'style',
'#attributes' => [
'type' => [
'text/css',
],
],
// #value needed for closing tag.
'#value' => '',
];
// <style /> block for role filtering.
$wrapper['role_styles'] = $style_template;
$wrapper['role_styles']['#attributes']['class'][0] = 'fpa-role-styles';
// <style /> block for permission filtering.
$wrapper['perm_styles'] = $style_template;
$wrapper['perm_styles']['#attributes']['class'][0] = 'fpa-perm-styles';
// Left section contains module list and form submission button.
$left_section = [
'#type' => 'container',
'#attributes' => [
'class' => [
'fpa-left-section',
],
],
];
$wrapper['left_section'] =& $left_section;
// Right section contains filter form and permissions table.
$right_section = [
'#type' => 'container',
'#attributes' => [
'class' => [
'fpa-right-section',
],
],
];
$wrapper['right_section'] =& $right_section;
$module_template = [
'#wrapper_attributes' => [
FPA_ATTR_MODULE => [],
FPA_ATTR_PERMISSION => [],
],
'data' => [
'#type' => 'container',
'#attributes' => [],
'link' => NULL,
'counters' => [],
'total' => [
'#type' => 'html_tag',
'#tag' => 'span',
'#attributes' => [
'class' => [
'fpa-perm-total',
],
'fpa-total' => 0,
],
// #value needed for closing tag.
'#value' => '',
],
],
];
$counter_template = [
'#type' => 'html_tag',
'#tag' => 'span',
'#attributes' => [
'class' => [
'fpa-perm-counter',
],
// Counters only count permissions match.
FPA_ATTR_PERMISSION => [],
],
// #value required for closing tag.
'#value' => '',
];
$items = [];
$all_modules = [
'text' => t('All modules'),
FPA_ATTR_MODULE => [],
FPA_ATTR_PERMISSION => [],
];
array_unshift($modules, $all_modules);
$all_modules_counters = [];
foreach ($modules as $module) {
$module_item = $module_template;
$module_item['#wrapper_attributes'][FPA_ATTR_MODULE] = $module[FPA_ATTR_MODULE];
$module_item['#wrapper_attributes'][FPA_ATTR_PERMISSION] = array_reduce($module[FPA_ATTR_PERMISSION], 'array_merge', []);
// Use link for accessibility and tabability.
$options = [
'fragment' => 'all',
];
if (!empty($module['title'])) {
$options['fragment'] = 'module-' . $module['title'][0];
$options['attributes']['title'] = $module['title'][0];
}
$module_item['data']['link'] = Link::createFromRoute($module['text'], 'user.admin_permissions', [], $options)
->toRenderable();
foreach ($module[FPA_ATTR_PERMISSION] as $module_perm) {
$counter_item = $counter_template;
$counter_item['#attributes'][FPA_ATTR_PERMISSION] = $module_perm;
$all_modules_counters[] = $counter_item;
$module_item['data']['counters'][] = $counter_item;
}
$module_item['data']['total']['#attributes']['fpa-total'] = count($module[FPA_ATTR_PERMISSION]);
$items[] = $module_item;
}
$items[0]['data']['counters'] = $all_modules_counters;
$items[0]['data']['total']['#attributes']['fpa-total'] = count($all_modules_counters);
$left_section['list'] = [
'#items' => $items,
'#theme' => 'item_list',
];
$left_section['buttons'] = $actions_output;
$filter_form = [
'#type' => 'container',
'#attributes' => [
'class' => [
'fpa-filter-form',
],
],
];
$clear_button = [
'#type' => 'html_tag',
'#tag' => 'input',
'#attributes' => [
'type' => [
'button',
],
'class' => [
'fpa-clear-search',
'form-submit',
],
'value' => 'Clear filter',
],
];
$default_filter = '';
if (!empty($_GET['fpa_perm'])) {
$default_filter = $_GET['fpa_perm'];
}
if (!empty($_COOKIE['fpa_filter']) && $same_page) {
$default_filter = $_COOKIE['fpa_filter'];
}
$filter_form['permission_module_filter'] = [
'#type' => 'textfield',
'#title' => t('Filter:'),
'#size' => 25,
'#field_suffix' => $renderer
->render($clear_button),
'#attributes' => [
'placeholder' => [
'permission@module',
],
'autofocus' => 'autofocus',
],
'#value' => $default_filter,
'#description' => t('<p>Enter in the format of "permission@module",</p><p>e.g. <em>admin@system</em> will show only permissions with the<br>text "admin" in modules with the text "system".</p><p>This will also match on system name of a permission.</p>'),
'#description_display' => TRUE,
];
// Populate the permission filter styles.
$matches = [];
preg_match('/^\\s*([^@]*)@?(.*?)\\s*$/i', $filter_form['permission_module_filter']['#value'], $matches);
// Remove whole match item.
array_shift($matches);
$safe_matches = [];
foreach ($matches as $match) {
$safe_matches[] = Html::getClass($match);
}
$module_match = !empty($_COOKIE['module_match']) ? $_COOKIE['module_match'] : '*=';
$filters = [
mb_strlen($safe_matches[0]) > 0 ? '[' . FPA_ATTR_PERMISSION . '*="' . $safe_matches[0] . '"]' : '',
mb_strlen($safe_matches[1]) > 0 ? '[' . FPA_ATTR_MODULE . $module_match . '"' . $safe_matches[1] . '"]' : '',
];
$filter_styles = [
'.fpa-table-wrapper tr[' . FPA_ATTR_MODULE . ']{display: none;}',
'.fpa-table-wrapper tr[' . FPA_ATTR_MODULE . ']',
$filters[0],
$filters[1],
'{display: table-row;}',
'.fpa-perm-counter{display: none;}',
'.fpa-perm-counter',
$filters[0],
'{display: inline;}',
'.fpa-left-section li[' . FPA_ATTR_MODULE . ']',
mb_strlen($filters[1]) > 0 ? $filters[1] : '[' . FPA_ATTR_MODULE . '=""]',
'{margin-right:-1px; background-color: white; border-right: solid 1px transparent;}',
];
$wrapper['perm_styles']['style']['#value'] = implode('', $filter_styles);
$cookie_roles = !empty($_COOKIE['fpa_roles']) && $same_page ? json_decode($_COOKIE['fpa_roles']) : [];
$options = [
'*' => t('--All Roles'),
];
if (!empty($user_roles)) {
// Preserves keys.
$options += $user_roles;
}
if (in_array('*', $cookie_roles)) {
$cookie_roles = [
'*',
];
}
$filter_form['role_filter'] = [
'#type' => 'select',
'#title' => t('Roles:'),
'#description' => t('Select which roles to display.<br>Ctrl+click to select multiple.'),
'#description_display' => TRUE,
'#size' => 5,
'#options' => $options,
'#attributes' => [
'multiple' => 'multiple',
// Keep browser from populating this from 'cached' input.
'autocomplete' => 'off',
],
'#value' => count(array_intersect($cookie_roles, array_keys($options))) > 0 ? $cookie_roles : [
'*',
],
];
/*
* Populate the roles styles.
*/
if (!in_array('*', $filter_form['role_filter']['#value'])) {
$role_styles = [
'.fpa-table-wrapper [' . FPA_ATTR_ROLE . '] {display: none;}',
];
foreach ($filter_form['role_filter']['#value'] as $value) {
$role_styles[] = '.fpa-table-wrapper [' . FPA_ATTR_ROLE . '="' . $value . '"] {display: table-cell;}';
}
$role_styles[] = '.fpa-table-wrapper [' . FPA_ATTR_ROLE . '="' . end($filter_form['role_filter']['#value']) . '"] {border-right: 1px solid #bebfb9;}';
$wrapper['role_styles']['style']['#value'] = implode('', $role_styles);
}
$checked_status = [
'#type' => 'checkboxes',
'#title' => t('Display permissions that are:'),
'#options' => [
FPA_ATTR_CHECKED => t('Checked'),
FPA_ATTR_NOT_CHECKED => t('Not Checked'),
],
'#attributes' => [],
'#title_display' => 'before',
'#id' => 'permissions_checkboxes',
'#description' => t('Applies to all visible roles.<br />Unsaved changes are not counted.<br />Most effective when a single role is visible.<br />Empty module rows sometimes display when used with permission filter.'),
'#description_display' => TRUE,
];
$checked_status_keys = array_keys($checked_status['#options']);
$checked_status['#value'] = array_combine($checked_status_keys, $checked_status_keys);
$pseudo_form = [];
$filter_form['checked_status'] = Checkboxes::processCheckboxes($checked_status, new FormState(), $pseudo_form);
foreach (Element::children($filter_form['checked_status']) as $key) {
$filter_form['checked_status'][$key]['#checked'] = TRUE;
}
$right_section['filter_form'] = $filter_form;
$table_wrapper = [
'#type' => 'container',
'#attributes' => [
'class' => [
'fpa-table-wrapper',
],
],
];
$table_wrapper['table'] = [
'#theme' => 'table',
'#header' => $permissions_table['header'],
'#rows' => $permissions_table['rows'],
'#attributes' => [
'id' => 'permissions',
],
];
// Show after full table HTML is loaded.
// Reduces progressive table load reflow/repaint.
$table_wrapper['show_table'] = [
'#type' => 'html_tag',
'#tag' => 'style',
'#attributes' => [
'type' => [
'text/css',
],
],
'#value' => '#permissions {display: table;} .fpa-table-wrapper {background: none;}',
];
$table_wrapper['buttons'] = $actions_output;
$right_section['table_wrapper'] = $table_wrapper;
return $render;
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
FPAFormBuilder:: |
public static | function | Builds the FPA pages. | |
FPAFormBuilder:: |
protected static | function | Builds the permissions table. | |
FPAFormBuilder:: |
protected static | function | Build table wrapper. | |
FPAFormBuilder:: |
public static | function | Checks memory limit. | |
FPAFormBuilder:: |
public static | function | Gets required memory. |