<?php
/**
* @file
* Administrative page callbacks for the Filter module.
*/
/**
* Page callback: Form constructor for a form to list and reorder text formats.
*
* @ingroup forms
* @see filter_menu()
* @see filter_admin_overview_submit()
*/
function filter_admin_overview($form) {
// Overview of all formats.
$formats = filter_formats();
$fallback_format = filter_fallback_format();
$form['#tree'] = TRUE;
foreach ($formats as $id => $format) {
// Check whether this is the fallback text format. This format is available
// to all roles and cannot be disabled via the admin interface.
$form['formats'][$id]['#is_fallback'] = ($id == $fallback_format);
if ($form['formats'][$id]['#is_fallback']) {
$form['formats'][$id]['name'] = array('#markup' => drupal_placeholder($format->name));
$roles_markup = drupal_placeholder(t('All roles may use this format'));
}
else {
$form['formats'][$id]['name'] = array('#markup' => check_plain($format->name));
$roles = array_map('check_plain', filter_get_roles_by_format($format));
$roles_markup = $roles ? implode(', ', $roles) : t('No roles may use this format');
}
$form['formats'][$id]['roles'] = array('#markup' => $roles_markup);
$form['formats'][$id]['configure'] = array('#type' => 'link', '#title' => t('configure'), '#href' => 'admin/config/content/formats/' . $id);
$form['formats'][$id]['disable'] = array('#type' => 'link', '#title' => t('disable'), '#href' => 'admin/config/content/formats/' . $id . '/disable', '#access' => !$form['formats'][$id]['#is_fallback']);
$form['formats'][$id]['weight'] = array(
'#type' => 'weight',
'#title' => t('Weight for @title', array('@title' => $format->name)),
'#title_display' => 'invisible',
'#default_value' => $format->weight,
);
}
$form['actions'] = array('#type' => 'actions');
$form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save changes'));
return $form;
}
/**
* Form submission handler for filter_admin_overview().
*/
function filter_admin_overview_submit($form, &$form_state) {
foreach ($form_state['values']['formats'] as $id => $data) {
if (is_array($data) && isset($data['weight'])) {
// Only update if this is a form element with weight.
db_update('filter_format')
->fields(array('weight' => $data['weight']))
->condition('format', $id)
->execute();
}
}
filter_formats_reset();
drupal_set_message(t('The text format ordering has been saved.'));
}
/**
* Returns HTML for the text format administration overview form.
*
* @param $variables
* An associative array containing:
* - form: A render element representing the form.
*
* @ingroup themeable
*/
function theme_filter_admin_overview($variables) {
$form = $variables['form'];
$rows = array();
foreach (element_children($form['formats']) as $id) {
$form['formats'][$id]['weight']['#attributes']['class'] = array('text-format-order-weight');
$rows[] = array(
'data' => array(
drupal_render($form['formats'][$id]['name']),
drupal_render($form['formats'][$id]['roles']),
drupal_render($form['formats'][$id]['weight']),
drupal_render($form['formats'][$id]['configure']),
drupal_render($form['formats'][$id]['disable']),
),
'class' => array('draggable'),
);
}
$header = array(t('Name'), t('Roles'), t('Weight'), array('data' => t('Operations'), 'colspan' => 2));
$output = theme('table', array('header' => $header, 'rows' => $rows, 'attributes' => array('id' => 'text-format-order')));
$output .= drupal_render_children($form);
drupal_add_tabledrag('text-format-order', 'order', 'sibling', 'text-format-order-weight');
return $output;
}
/**
* Page callback: Displays the text format add/edit form.
*
* @param object|null $format
* (optional) An object representing a format, with the following properties:
* - format: A machine-readable name representing the ID of the text format
* to save. If this corresponds to an existing text format, that format
* will be updated; otherwise, a new format will be created.
* - name: The title of the text format.
* - cache: (optional) An integer indicating whether the text format is
* cacheable (1) or not (0). Defaults to 1.
* - status: (optional) An integer indicating whether the text format is
* enabled (1) or not (0). Defaults to 1.
* - weight: (optional) The weight of the text format, which controls its
* placement in text format lists. If omitted, the weight is set to 0.
* Defaults to NULL.
*
* @return
* A form array.
*
* @see filter_menu()
*/
function filter_admin_format_page($format = NULL) {
if (!isset($format->name)) {
drupal_set_title(t('Add text format'));
$format = (object) array(
'format' => NULL,
'name' => '',
);
}
return drupal_get_form('filter_admin_format_form', $format);
}
/**
* Form constructor for the text format add/edit form.
*
* @param $format
* A format object having the properties:
* - format: A machine-readable name representing the ID of the text format to
* save. If this corresponds to an existing text format, that format will be
* updated; otherwise, a new format will be created.
* - name: The title of the text format.
* - cache: An integer indicating whether the text format is cacheable (1) or
* not (0). Defaults to 1.
* - status: (optional) An integer indicating whether the text format is
* enabled (1) or not (0). Defaults to 1.
* - weight: (optional) The weight of the text format, which controls its
* placement in text format lists. If omitted, the weight is set to 0.
*
* @see filter_admin_format_form_validate()
* @see filter_admin_format_form_submit()
* @ingroup forms
*/
function filter_admin_format_form($form, &$form_state, $format) {
$is_fallback = ($format->format == filter_fallback_format());
$form['#format'] = $format;
$form['#tree'] = TRUE;
$form['#attached']['js'][] = drupal_get_path('module', 'filter') . '/filter.admin.js';
$form['#attached']['css'][] = drupal_get_path('module', 'filter') . '/filter.css';
$form['name'] = array(
'#type' => 'textfield',
'#title' => t('Name'),
'#default_value' => $format->name,
'#required' => TRUE,
);
$form['format'] = array(
'#type' => 'machine_name',
'#required' => TRUE,
'#default_value' => $format->format,
'#maxlength' => 255,
'#machine_name' => array(
'exists' => 'filter_format_exists',
),
'#disabled' => !empty($format->format),
);
// Add user role access selection.
$form['roles'] = array(
'#type' => 'checkboxes',
'#title' => t('Roles'),
'#options' => array_map('check_plain', user_roles()),
'#disabled' => $is_fallback,
);
if ($is_fallback) {
$form['roles']['#description'] = t('All roles for this text format must be enabled and cannot be changed.');
}
if (!empty($format->format)) {
// If editing an existing text format, pre-select its current permissions.
$form['roles']['#default_value'] = array_keys(filter_get_roles_by_format($format));
}
elseif ($admin_role = variable_get('user_admin_role', 0)) {
// If adding a new text format and the site has an administrative role,
// pre-select that role so as to grant administrators access to the new
// text format permission by default.
$form['roles']['#default_value'] = array($admin_role);
}
// Retrieve available filters and load all configured filters for existing
// text formats.
$filter_info = filter_get_filters();
$filters = !empty($format->format) ? filter_list_format($format->format) : array();
// Prepare filters for form sections.
foreach ($filter_info as $name => $filter) {
// Create an empty filter object for new/unconfigured filters.
if (!isset($filters[$name])) {
$filters[$name] = new stdClass();
$filters[$name]->format = $format->format;
$filters[$name]->module = $filter['module'];
$filters[$name]->name = $name;
$filters[$name]->status = 0;
$filters[$name]->weight = $filter['weight'];
$filters[$name]->settings = array();
}
}
$form['#filters'] = $filters;
// Filter status.
$form['filters']['status'] = array(
'#type' => 'item',
'#title' => t('Enabled filters'),
'#prefix' => '<div id="filters-status-wrapper">',
'#suffix' => '</div>',
);
foreach ($filter_info as $name => $filter) {
$form['filters']['status'][$name] = array(
'#type' => 'checkbox',
'#title' => $filter['title'],
'#default_value' => $filters[$name]->status,
'#parents' => array('filters', $name, 'status'),
'#description' => $filter['description'],
'#weight' => $filter['weight'],
);
}
// Filter order (tabledrag).
$form['filters']['order'] = array(
'#type' => 'item',
'#title' => t('Filter processing order'),
'#theme' => 'filter_admin_format_filter_order',
);
foreach ($filter_info as $name => $filter) {
$form['filters']['order'][$name]['filter'] = array(
'#markup' => $filter['title'],
);
$form['filters']['order'][$name]['weight'] = array(
'#type' => 'weight',
'#title' => t('Weight for @title', array('@title' => $filter['title'])),
'#title_display' => 'invisible',
'#delta' => 50,
'#default_value' => $filters[$name]->weight,
'#parents' => array('filters', $name, 'weight'),
);
$form['filters']['order'][$name]['#weight'] = $filters[$name]->weight;
}
// Filter settings.
$form['filter_settings_title'] = array(
'#type' => 'item',
'#title' => t('Filter settings'),
);
$form['filter_settings'] = array(
'#type' => 'vertical_tabs',
);
foreach ($filter_info as $name => $filter) {
if (isset($filter['settings callback']) && function_exists($filter['settings callback'])) {
$function = $filter['settings callback'];
// Pass along stored filter settings and default settings, but also the
// format object and all filters to allow for complex implementations.
$defaults = (isset($filter['default settings']) ? $filter['default settings'] : array());
$settings_form = $function($form, $form_state, $filters[$name], $format, $defaults, $filters);
if (!empty($settings_form)) {
$form['filters']['settings'][$name] = array(
'#type' => 'fieldset',
'#title' => $filter['title'],
'#parents' => array('filters', $name, 'settings'),
'#weight' => $filter['weight'],
'#group' => 'filter_settings',
);
$form['filters']['settings'][$name] += $settings_form;
}
}
}
$form['actions'] = array('#type' => 'actions');
$form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save configuration'));
return $form;
}
/**
* Returns HTML for a text format's filter order form.
*
* @param $variables
* An associative array containing:
* - element: A render element representing the form.
*
* @ingroup themeable
*/
function theme_filter_admin_format_filter_order($variables) {
$element = $variables['element'];
// Filter order (tabledrag).
$rows = array();
foreach (element_children($element, TRUE) as $name) {
$element[$name]['weight']['#attributes']['class'][] = 'filter-order-weight';
$rows[] = array(
'data' => array(
drupal_render($element[$name]['filter']),
drupal_render($element[$name]['weight']),
),
'class' => array('draggable'),
);
}
$output = drupal_render_children($element);
$output .= theme('table', array('rows' => $rows, 'attributes' => array('id' => 'filter-order')));
drupal_add_tabledrag('filter-order', 'order', 'sibling', 'filter-order-weight', NULL, NULL, TRUE);
return $output;
}
/**
* Form validation handler for filter_admin_format_form().
*
* @see filter_admin_format_form_submit()
*/
function filter_admin_format_form_validate($form, &$form_state) {
$format_format = trim($form_state['values']['format']);
$format_name = trim($form_state['values']['name']);
// Ensure that the values to be saved later are exactly the ones validated.
form_set_value($form['format'], $format_format, $form_state);
form_set_value($form['name'], $format_name, $form_state);
$result = db_query("SELECT format FROM {filter_format} WHERE name = :name AND format <> :format", array(':name' => $format_name, ':format' => $format_format))->fetchField();
if ($result) {
form_set_error('name', t('Text format names must be unique. A format named %name already exists.', array('%name' => $format_name)));
}
}
/**
* Form submission handler for filter_admin_format_form().
*
* @see filter_admin_format_form_validate()
*/
function filter_admin_format_form_submit($form, &$form_state) {
// Remove unnecessary values.
form_state_values_clean($form_state);
// Add the submitted form values to the text format, and save it.
$format = $form['#format'];
foreach ($form_state['values'] as $key => $value) {
$format->$key = $value;
}
$status = filter_format_save($format);
// Save user permissions.
if ($permission = filter_permission_name($format)) {
foreach ($format->roles as $rid => $enabled) {
user_role_change_permissions($rid, array($permission => $enabled));
}
}
switch ($status) {
case SAVED_NEW:
drupal_set_message(t('Added text format %format.', array('%format' => $format->name)));
break;
case SAVED_UPDATED:
drupal_set_message(t('The text format %format has been updated.', array('%format' => $format->name)));
break;
}
}
/**
* Form constructor for the text format deletion confirmation form.
*
* @param $format
* An object representing a text format.
*
* @see filter_menu()
* @see filter_admin_disable_submit()
* @ingroup forms
*/
function filter_admin_disable($form, &$form_state, $format) {
$form['#format'] = $format;
return confirm_form($form,
t('Are you sure you want to disable the text format %format?', array('%format' => $format->name)),
'admin/config/content/formats',
t('Disabled text formats are completely removed from the administrative interface, and any content stored with that format will not be displayed. This action cannot be undone.'),
t('Disable')
);
}
/**
* Form submission handler for filter_admin_disable().
*/
function filter_admin_disable_submit($form, &$form_state) {
$format = $form['#format'];
filter_format_disable($format);
drupal_set_message(t('Disabled text format %format.', array('%format' => $format->name)));
$form_state['redirect'] = 'admin/config/content/formats';
}