/products/photocrati_nextgen/modules/ngglegacy/admin/roles.php

<?php 
 
if(preg_match('#' . basename(__FILE__) . '#', $_SERVER['PHP_SELF'])) { die('You are not allowed to call this page directly.'); } 
 
function nggallery_admin_roles()  { 
 
if ( !empty($_POST) ) { 
 
  check_admin_referer('ngg_addroles'); 
 
  // now set or remove the capability 
  ngg_set_capability($_POST['general'], "NextGEN Gallery overview"); 
  ngg_set_capability($_POST['tinymce'], "NextGEN Use TinyMCE"); 
  ngg_set_capability($_POST['add_gallery'], "NextGEN Upload images"); 
  ngg_set_capability($_POST['manage_gallery'], "NextGEN Manage gallery"); 
  ngg_set_capability($_POST['manage_others'], "NextGEN Manage others gallery"); 
  ngg_set_capability($_POST['manage_tags'], "NextGEN Manage tags"); 
  ngg_set_capability($_POST['edit_album'], "NextGEN Edit album"); 
  ngg_set_capability($_POST['change_style'], "NextGEN Change style"); 
  ngg_set_capability($_POST['change_options'], "NextGEN Change options"); 
  ngg_set_capability($_POST['attach_interface'], "NextGEN Attach Interface"); 
} 
 
?> 
  <div class="wrap"> 
  <p> 
      <?php _e('Select the lowest role which should be able to access the following capabilities. NextGEN Gallery supports the standard roles from WordPress.', 'nggallery') ?> <br /> 
  </p> 
      <?php wp_nonce_field('ngg_addroles') ?> 
          <table class="form-table"> 
          <tr valign="top"> 
              <th scope="row"><?php _e('Main NextGEN Gallery overview', 'nggallery') ;?>:</th> 
              <td><label for="general"><select name="general" id="general"><?php wp_dropdown_roles( ngg_get_role('NextGEN Gallery overview') ); ?></select></label></td> 
          </tr> 
          <tr valign="top"> 
              <th scope="row"><?php _e('Use TinyMCE Button / Upload tab', 'nggallery') ;?>:</th> 
              <td><label for="tinymce"><select name="tinymce" id="tinymce"><?php wp_dropdown_roles( ngg_get_role('NextGEN Use TinyMCE') ); ?></select></label></td> 
          </tr> 
          <tr valign="top"> 
              <th scope="row"><?php _e('Add gallery / Upload images', 'nggallery') ;?>:</th> 
              <td><label for="add_gallery"><select name="add_gallery" id="add_gallery"><?php wp_dropdown_roles( ngg_get_role('NextGEN Upload images') ); ?></select></label></td> 
          </tr> 
          <tr valign="top"> 
              <th scope="row"><?php _e('Manage gallery', 'nggallery') ;?>:</th> 
              <td><label for="manage_gallery"><select name="manage_gallery" id="manage_gallery"><?php wp_dropdown_roles( ngg_get_role('NextGEN Manage gallery') ); ?></select></label></td> 
          </tr> 
          <tr valign="top"> 
              <th scope="row"><?php _e('Manage others gallery', 'nggallery') ;?>:</th> 
              <td><label for="manage_others"><select name="manage_others" id="manage_others"><?php wp_dropdown_roles( ngg_get_role('NextGEN Manage others gallery') ); ?></select></label></td> 
          </tr> 
          <tr valign="top"> 
              <th scope="row"><?php _e('Manage tags', 'nggallery') ;?>:</th> 
              <td><label for="manage_tags"><select name="manage_tags" id="manage_tags"><?php wp_dropdown_roles( ngg_get_role('NextGEN Manage tags') ); ?></select></label></td> 
          </tr> 
          <tr valign="top"> 
              <th scope="row"><?php _e('Edit Album', 'nggallery') ;?>:</th> 
              <td><label for="edit_album"><select name="edit_album" id="edit_album"><?php wp_dropdown_roles( ngg_get_role('NextGEN Edit album') ); ?></select></label></td> 
          </tr> 
          <tr valign="top"> 
              <th scope="row"><?php _e('Change style', 'nggallery') ;?>:</th> 
              <td><label for="change_style"><select name="change_style" id="change_style"><?php wp_dropdown_roles( ngg_get_role('NextGEN Change style') ); ?></select></label></td> 
          </tr> 
          <tr valign="top"> 
              <th scope="row"><?php _e('Change options', 'nggallery') ;?>:</th> 
              <td><label for="change_options"><select name="change_options" id="change_options"><?php wp_dropdown_roles( ngg_get_role('NextGEN Change options') ); ?></select></label></td> 
          </tr> 
          <tr valign="top"> 
              <th scope="row"><?php _e('NextGEN Attach Interface', 'nggallery') ;?>:</th> 
              <td><label for="attach_interface"><select name="attach_interface" id="attach_interface"><?php wp_dropdown_roles( ngg_get_role('NextGEN Attach Interface') ); ?></select></label></td> 
          </tr> 
          </table> 
  </div> 
<?php 
 
} 
 
function ngg_get_sorted_roles() { 
  // This function returns all roles, sorted by user level (lowest to highest) 
  global $wp_roles; 
  $roles = $wp_roles->role_objects; 
  $sorted = array(); 
 
  if( class_exists('RoleManager') ) { 
      foreach( $roles as $role_key => $role_name ) { 
          $role = get_role($role_key); 
          if( empty($role) ) continue; 
          $role_user_level = array_reduce(array_keys($role->capabilities), array('WP_User', 'level_reduction'), 0); 
          $sorted[$role_user_level] = $role; 
      } 
      $sorted = array_values($sorted); 
  } else { 
      $role_order = array("subscriber", "contributor", "author", "editor", "administrator"); 
      foreach($role_order as $role_key) { 
          $sorted[$role_key] = get_role($role_key); 
      } 
  } 
  return $sorted; 
} 
 
function ngg_get_role($capability) { 
  // This function return the lowest roles which has the capabilities 
  $check_order = ngg_get_sorted_roles(); 
 
  $args = array_slice(func_get_args(), 1); 
  $args = array_merge(array($capability), $args); 
 
  foreach ($check_order as $check_role) { 
      if ( empty($check_role) ) 
          return false; 
 
      if (call_user_func_array(array(&$check_role, 'has_cap'), $args)) 
          return $check_role->name; 
  } 
  return false; 
} 
 
function ngg_set_capability($lowest_role, $capability) { 
  // This function set or remove the $capability 
  $check_order = ngg_get_sorted_roles(); 
 
  $add_capability = false; 
 
  foreach ($check_order as $the_role) { 
      $role = $the_role->name; 
 
      if ( $lowest_role == $role ) 
          $add_capability = true; 
 
      // If you rename the roles, then please use a role manager plugin 
 
      if ( empty($the_role) ) 
          continue; 
 
      $add_capability ? $the_role->add_cap($capability) : $the_role->remove_cap($capability) ; 
  } 
} 
 
?>