modules/input_format_permissions/input_format_permissions.module

<?php

/**
 * Implementation of hook_init
 */
function input_format_permissions_init() {
  // If this is the page where permissions are set, add some javascript
  if (drupal_match_path($_GET['q'], 'admin/user/permissions')) {
    $formats = input_format_permissions_filter_load();
    // This array will define a Drupal.settings variable we will need in JS
    $default_format = array(
      'input_format_permissions_default_filter' => 
        $formats[variable_get('filter_default_format', 0)],
    );

    $path = drupal_get_path('module', 'input_format_permissions');
    // Add some javascript
    drupal_add_js($default_format, 'setting');
    drupal_add_js($path . '/input_format_permissions.js');
  }
}

/**
 * Return all filters in the system
 * 
 * @return array
 */
function input_format_permissions_filter_load() {
  $filters = array();
  $result = db_query('SELECT format, name FROM {filter_formats}');
  while ($filter = db_fetch_array($result)) {
    $filters[$filter['format']] = 
      input_format_permissions_formatname_to_permission($filter['name']);
  }
  return $filters; 
}

/**
 * Implementation of hook_perm
 */
function input_format_permissions_perm() { return input_format_permissions_filter_load(); }

/**
 * Implementation of hook_form_alter
 */
function input_format_permissions_form_alter(&$form, $form_state, $form_id) {
  // Add our own special submit function to the permissions form
  if ($form_id == 'user_admin_perm') { 
    $form['#submit'][] = 'input_format_permissions_perm_submit';
  // Remove the ability to change roles from the configure filter form
  } else if ($form_id == 'filter_admin_format_form') {
    $form['roles']['#access'] = FALSE;
  }
}

/**
 * Based on the submitted permissions form, setup filter permissions
 * @param array $form_state The submitted form_state
 * @return void
 */
function input_format_permissions_perm_submit($form, &$form_state) {
  $filters = input_format_permissions_filter_load();
  $sql = 'UPDATE {filter_formats} SET roles = "%s" WHERE format = "%d"';
  // Determine which roles are associated with each filter
  foreach ($filters as $fid => $filter) {
    $roles = array();
    foreach ($form_state['values'] as $id => $submitted_permissions) {
      if (!is_numeric($id)) { continue; }
      if (isset($submitted_permissions[$filter])) { $roles[] = $id; }
    }
    // Update the roles for an input format
    db_query($sql, ',' . implode(',', $roles) . ',', $fid);
    cache_clear_all($fid . ':', 'cache_filter', TRUE);
  }
}

/**
 * Create a permission name based on the filter name
 */
function input_format_permissions_formatname_to_permission($name) {
  return 'use the ' . check_plain(strtolower($name)) . ' input format'; 
}
1	<?php
2
3	/**
4	* Implementation of hook_init
5	*/
6	function input_format_permissions_init() {
7	// If this is the page where permissions are set, add some javascript
8	if (drupal_match_path($_GET['q'], 'admin/user/permissions')) {
9	$formats = input_format_permissions_filter_load();
10	// This array will define a Drupal.settings variable we will need in JS
11	$default_format = array(
12	'input_format_permissions_default_filter' =>
13	$formats[variable_get('filter_default_format', 0)],
14	);
15
16	$path = drupal_get_path('module', 'input_format_permissions');
17	// Add some javascript
18	drupal_add_js($default_format, 'setting');
19	drupal_add_js($path . '/input_format_permissions.js');
20	}
21	}
22
23	/**
24	* Return all filters in the system
25	*
26	* @return array
27	*/
28	function input_format_permissions_filter_load() {
29	$filters = array();
30	$result = db_query('SELECT format, name FROM {filter_formats}');
31	while ($filter = db_fetch_array($result)) {
32	$filters[$filter['format']] =
33	input_format_permissions_formatname_to_permission($filter['name']);
34	}
35	return $filters;
36	}
37
38	/**
39	* Implementation of hook_perm
40	*/
41	function input_format_permissions_perm() { return input_format_permissions_filter_load(); }
42
43	/**
44	* Implementation of hook_form_alter
45	*/
46	function input_format_permissions_form_alter(&$form, $form_state, $form_id) {
47	// Add our own special submit function to the permissions form
48	if ($form_id == 'user_admin_perm') {
49	$form['#submit'][] = 'input_format_permissions_perm_submit';
50	// Remove the ability to change roles from the configure filter form
51	} else if ($form_id == 'filter_admin_format_form') {
52	$form['roles']['#access'] = FALSE;
53	}
54	}
55
56	/**
57	* Based on the submitted permissions form, setup filter permissions
58	* @param array $form_state The submitted form_state
59	* @return void
60	*/
61	function input_format_permissions_perm_submit($form, &$form_state) {
62	$filters = input_format_permissions_filter_load();
63	$sql = 'UPDATE {filter_formats} SET roles = "%s" WHERE format = "%d"';
64	// Determine which roles are associated with each filter
65	foreach ($filters as $fid => $filter) {
66	$roles = array();
67	foreach ($form_state['values'] as $id => $submitted_permissions) {
68	if (!is_numeric($id)) { continue; }
69	if (isset($submitted_permissions[$filter])) { $roles[] = $id; }
70	}
71	// Update the roles for an input format
72	db_query($sql, ',' . implode(',', $roles) . ',', $fid);
73	cache_clear_all($fid . ':', 'cache_filter', TRUE);
74	}
75	}
76
77	/**
78	* Create a permission name based on the filter name
79	*/
80	function input_format_permissions_formatname_to_permission($name) {
81	return 'use the ' . check_plain(strtolower($name)) . ' input format';
82	}