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<?php
function avatar_selection_help($section = '') {
$output = '';
switch ($section) {
case "admin/help#avatar_selection":
$output .= '<p>' . t("Allows the user to pick an avatar from a list.") . '</p>';
return $output;
case "admin/modules#description":
return t("Allows the user to pick an avatar from a list.");
case "admin/settings/avatar_selection/images":
return t("Upload images to display as a user avatar. These images can be anything you like, but it is recommended that you maintain a uniform icon size for all of your avatars. Maximum dimensions are 85x85 and the maximum size is 30 kB");
}
}
function avatar_selection_perm() {
return array(
'administer avatar selection',
'access avatars',
);
}
function avatar_selection_access($op, $node) {
if ($op == 'view') {
return user_access('access avatars');
}
else {
if ($op == 'create' || $op == 'update' || $op == 'delete') {
return user_access('administer avatar selection');
}
}
}
function avatar_selection_menu($may_cache) {
$access = user_access('administer avatar selection');
$items = array();
if ($may_cache) {
$items[] = array(
'path' => 'admin/settings/avatar_selection',
'title' => t('Avatar Selection'),
'callback' => 'avatar_selection_settings_page',
'access' => $access,
'description' => t('Allows the user to upload and delete avatars.'),
);
$items[] = array(
'path' => 'admin/settings/avatar_selection/config',
'title' => t('Configure'),
'description' => t('Allows the user to configure avatar settings.'),
'callback' => 'drupal_get_form',
'callback arguments' => array(
'avatar_selection_config_form',
),
'access' => $access,
'type' => MENU_DEFAULT_LOCAL_TASK,
'weight' => -10,
);
$items[] = array(
'path' => 'admin/settings/avatar_selection/images',
'title' => t('Upload'),
'description' => t('Allows the user to upload avatars.'),
'callback' => 'drupal_get_form',
'callback arguments' => array(
'avatar_selection_images_form',
),
'access' => $access,
'type' => MENU_LOCAL_TASK,
'weight' => -9,
);
$items[] = array(
'path' => 'admin/settings/avatar_selection/edit',
'title' => t('Manage avatars'),
'description' => t('Allows the user to modify or delete an avatar from a list.'),
'callback' => 'drupal_get_form',
'callback arguments' => array(
'avatar_selection_edit_form',
),
'access' => $access,
'type' => MENU_LOCAL_TASK,
);
}
return $items;
}
function avatar_selection_form_alter($form_id, &$form) {
global $user;
if (!variable_get('user_pictures', 0)) {
return;
}
if ('user_edit' == $form_id && is_array($form['picture'])) {
drupal_add_css(drupal_get_path('module', 'avatar_selection') . '/avatar_selection.css');
$access = user_access('access avatars');
$disable_upload = variable_get('avatar_selection_disable_user_upload', 0);
$force_choose = variable_get('avatar_selection_force_user_avatar', 0);
if ($disable_upload) {
unset($form['picture']['picture_delete']);
unset($form['picture']['picture_upload']);
}
$selects = _avatar_selection_image_list($user);
if ($access && count($selects['avatars'])) {
$user_form = drupal_retrieve_form($form_id);
$form['picture']['select_avatar'] = array(
'#type' => 'radios',
'#title' => $disable_upload ? t('Select an avatar') : t('Or simply select an icon'),
'#options' => $selects['avatars'],
'#default_value' => $user_form['_account']['#value']->picture,
'#required' => $force_choose ? TRUE : FALSE,
'#attributes' => array(
'class' => 'user_avatar_select',
),
);
}
if (!$access && $disable_upload) {
unset($form['picture']);
}
$path = '/avatar_selection/';
if ($form['picture']['current_picture']['#value'] && preg_match($path, $form['picture']['current_picture']['#value'])) {
unset($form['picture']['picture_delete']);
}
$num_images_per_page = variable_get('avatar_selection_avatar_per_page', 30);
$js_settings = array(
'num_images_per_page' => $num_images_per_page ? $num_images_per_page : 1,
'num_images' => $selects['total'],
);
drupal_add_js(array(
'avatar_selection' => $js_settings,
), 'setting');
drupal_add_js(drupal_get_path('module', 'avatar_selection') . '/js/avatar_selection.js', 'module', 'header');
}
else {
if ('user_register' == $form_id) {
$anon_user = drupal_anonymous_user();
$force_choose = variable_get('avatar_selection_force_user_avatar_reg', 0);
$selects = _avatar_selection_image_list($anon_user);
if (count($selects['avatars'])) {
drupal_add_css(drupal_get_path('module', 'avatar_selection') . '/avatar_selection.css');
$form['picture'] = array(
'#type' => 'fieldset',
'#title' => t('Picture'),
'#weight' => 1,
);
$form['picture']['select_avatar'] = array(
'#type' => 'radios',
'#title' => t('Select an avatar'),
'#options' => $selects['avatars'],
'#required' => $force_choose ? TRUE : FALSE,
'#attributes' => array(
'class' => 'user_avatar_select',
),
);
}
$num_images_per_page = variable_get('avatar_selection_avatar_per_page', 30);
$js_settings = array(
'num_images_per_page' => $num_images_per_page ? $num_images_per_page : 1,
'num_images' => $selects['total'],
);
drupal_add_js(array(
'avatar_selection' => $js_settings,
), 'setting');
drupal_add_js(drupal_get_path('module', 'avatar_selection') . '/js/avatar_selection.js', 'module', 'header');
}
}
return $form;
}
function avatar_selection_user($op, &$edit, &$user, $category = 'account') {
global $form_values;
switch ($op) {
case 'validate':
$file = file_check_upload('picture_upload');
if (!$file && $edit['select_avatar']) {
$form_values['picture'] = $edit['select_avatar'];
}
else {
if (!$file && variable_get('avatar_selection_set_random_default', FALSE)) {
$form_values['picture'] = avatar_selection_get_random_image($user);
}
}
break;
}
}
function avatar_selection_get_random_image($user) {
$avatars = _avatar_selection_image_list($user);
$avatar = array_rand($avatars['avatars'], 1);
return $avatar;
}
function _avatar_selection_image_list($user = "") {
$avatars = array();
$dir = file_create_path('avatar_selection');
$mask = '.*\\.(gif|GIF|Gif|jpg|JPG|Jpg|jpeg|JPEG|Jpeg|png|PNG|Png)';
$listings = file_scan_directory($dir, $mask, array(
'.',
'..',
'CVS',
), 0, FALSE);
$result = db_query("SELECT avatar, access, og_access FROM {avatar_selection} avs");
while ($avatar = db_fetch_object($result)) {
$avs_image = $avatar->avatar;
$avs_access = preg_split('/\\s*,\\s*/', $avatar->access);
$og_access = preg_split('/\\s*,\\s*/', $avatar->og_access);
$del_avatar = 1;
if (module_exists("og")) {
if (!empty($avatar->og_access)) {
if (!empty($user->og_groups) && is_array($user->og_groups)) {
foreach ($user->og_groups as $gid => $grp) {
if (in_array($gid, $og_access)) {
$del_avatar = 2;
break;
}
}
}
if ($del_avatar == 1 && !empty($user) && $user->uid != 1) {
unset($listings[$avs_image]);
}
}
}
if (!empty($avatar->access)) {
if (!empty($user->roles) && is_array($user->roles)) {
foreach ($user->roles as $rid => $role) {
if (in_array($rid, $avs_access)) {
$del_avatar = 0;
break;
}
}
}
if ($del_avatar != 0 && !empty($user) && $user->uid != 1) {
unset($listings[$avs_image]);
}
}
}
$total_avatars = count($listings);
foreach ($listings as $listing) {
$avatars[$dir . '/' . $listing->basename] = theme('image', file_create_url($dir . '/' . $listing->basename), $listing->basename, $listing->basename, NULL, FALSE);
}
$selects['avatars'] = $avatars;
$selects['total'] = $total_avatars;
return $selects;
}
function avatar_selection_settings_page($op = NULL, $aid = NULL) {
switch ($op) {
case 'edit':
if (is_numeric($aid)) {
$output = drupal_get_form('avatar_selection_config_form', $aid);
}
break;
case 'upload':
if (is_numeric($aid)) {
$output = drupal_get_form('avatar_selection_images_form', $aid);
}
break;
case 'list':
if (is_numeric($aid)) {
$output = drupal_get_form('avatar_selection_edit_form');
}
break;
default:
$form[] = array(
'#type' => 'fieldset',
'#title' => t('Add another'),
);
$output .= drupal_get_form('avatar_selection_config_form');
break;
}
return $output;
}
function avatar_selection_config_form() {
if (!variable_get('user_pictures', 0)) {
drupal_set_message(t('User Pictures option is disabled. You will need to enable this option before you can use the Avatar Selection module. You may configure this setting on the <a href="@url">User settings</a> page.', array(
'@url' => url('admin/user/settings'),
)));
}
$form['update']['avatar_per_page'] = array(
'#type' => 'textfield',
'#title' => t('How many avatars per page'),
'#description' => t('The number of avatars to show per page.'),
'#default_value' => variable_get('avatar_selection_avatar_per_page', 30),
'#size' => 3,
);
$form['update']['disable_user_upload'] = array(
'#type' => 'checkbox',
'#title' => t('Disable users uploading pictures to profile'),
'#description' => t('Allow users to pick their avatar from the selection but prevent them from uploading new avatars when editing their account.'),
'#default_value' => variable_get('avatar_selection_disable_user_upload', FALSE),
);
$form['update']['force_set_image_reg'] = array(
'#type' => 'checkbox',
'#title' => t('Force users to select an avatar image on user registration.'),
'#description' => t('This only comes into effect on the user registration screen.'),
'#default_value' => variable_get('avatar_selection_force_user_avatar_reg', FALSE),
);
$form['update']['force_set_image'] = array(
'#type' => 'checkbox',
'#title' => t('Force users to select an avatar image when editing their account'),
'#description' => t('This only comes into effect when the user is editing their account details and image uploads are disabled.'),
'#default_value' => variable_get('avatar_selection_force_user_avatar', FALSE),
);
$form['update']['set_random_default'] = array(
'#type' => 'checkbox',
'#title' => t('Enable random default avatar image.'),
'#description' => t('Automatically set a random avatar image to be used when the user doesn\'t set one for their account.'),
'#default_value' => variable_get('avatar_selection_set_random_default', FALSE),
);
$form['update']['submit'] = array(
'#type' => 'submit',
'#value' => t('Update'),
);
return $form;
}
function avatar_selection_images_form() {
if (!variable_get('user_pictures', 0)) {
drupal_set_message(t('User Pictures option is disabled. You will need to enable this option before you can use the Avatar Selection module. You may configure this setting on the <a href="@url">User settings</a> page.', array(
'@url' => url('admin/user/settings'),
)));
}
$form['#attributes']['enctype'] = 'multipart/form-data';
$form['picture_upload'] = array(
'#type' => 'file',
'#title' => t('Upload image'),
'#size' => 48,
'#description' => t('A new avatar image. Maximum dimensions are %dimensions and the maximum size is %size kB. Images must have one of the following extensions (case sensitive): png, jpg, jpeg, gif, PNG, JPG, JPEG, GIF.', array(
'%dimensions' => variable_get('user_picture_dimensions', '85x85'),
'%size' => variable_get('user_picture_file_size', '30'),
)) . ' ' . variable_get('user_picture_guidelines', ''),
);
$form['permissions'] = array(
'#type' => 'fieldset',
'#title' => t('Permissions'),
'#weight' => 1,
);
$form['permissions']['access'] = array(
'#type' => 'checkboxes',
'#title' => t('User Roles'),
'#options' => avatar_selection_handler_filter_role(),
'#description' => t('Only the checked roles will be able to see this avatar icon; if no roles are checked, access will not be restricted.'),
);
if (module_exists("og")) {
$form['permissions']['og_access'] = array(
'#type' => 'checkboxes',
'#title' => t('Organic Groups'),
'#options' => og_all_groups_options(),
'#description' => t('Only users in the checked organic groups will be able to see this avatar icon; if no groups are checked, access will not be restricted.'),
);
}
$form['attach'] = array(
'#type' => 'submit',
'#value' => t('Upload'),
'#weight' => 10,
);
return $form;
}
function avatar_selection_edit_form($form_values = NULL) {
if (!variable_get('user_pictures', 0)) {
drupal_set_message(t('User Pictures option is disabled. You will need to enable this option before you can use the Avatar Selection module. You may configure this setting on the <a href="@url">User settings</a> page.', array(
'@url' => url('admin/user/settings'),
)));
}
drupal_add_css(drupal_get_path('module', 'avatar_selection') . '/avatar_selection.css');
$selects = _avatar_selection_image_list();
if (!count($selects['avatars'])) {
drupal_set_message(t('There are no images configured.'));
}
else {
if (!isset($form_values)) {
$step = "list";
}
else {
$step = "edit";
}
$form['step'] = array(
'#type' => 'hidden',
'#value' => $step,
);
$form['#multistep'] = TRUE;
if ($step == "list") {
$form['#redirect'] = FALSE;
$form['select_avatar'] = array(
'#type' => 'radios',
'#title' => t('Select an avatar to edit'),
'#options' => $selects['avatars'],
'#required' => TRUE,
'#attributes' => array(
'class' => 'user_avatar_select',
),
);
$form['search'] = array(
'#type' => 'submit',
'#value' => t('Edit'),
);
$num_images_per_page = variable_get('avatar_selection_avatar_per_page', 30);
$js_settings = array(
'num_images_per_page' => $num_images_per_page ? $num_images_per_page : 1,
'num_images' => $selects['total'],
);
drupal_add_js(array(
'avatar_selection' => $js_settings,
), 'setting');
drupal_add_js(drupal_get_path('module', 'avatar_selection') . '/js/avatar_selection.js', 'module', 'header');
}
else {
if ($step == "edit") {
$form['#redirect'] = array(
'admin/settings/avatar_selection/edit',
);
$roles = avatar_selection_handler_filter_role();
$result = db_query("SELECT avatar, access, og_access FROM {avatar_selection} avs WHERE avatar = '%s'", $form_values['select_avatar']);
while ($avatar = db_fetch_object($result)) {
$avs_access = preg_split('/\\s*,\\s*/', $avatar->access);
$og_access = preg_split('/\\s*,\\s*/', $avatar->og_access);
}
$image = theme('image', $form_values['select_avatar']);
$form['avatar_image'] = array(
'#value' => $image,
);
$form['select_avatar'] = array(
'#type' => 'hidden',
'#default_value' => $form_values['select_avatar'],
);
$form['permissions'] = array(
'#type' => 'fieldset',
'#title' => t('Permissions'),
'#weight' => 1,
);
$form['permissions']['access'] = array(
'#type' => 'checkboxes',
'#title' => t('User Roles'),
'#default_value' => $avs_access,
'#options' => $roles,
'#description' => t('Only the checked roles will be able to see this avatar icon; if no roles are checked, access will not be restricted.'),
);
if (module_exists("og")) {
$form['permissions']['og_access'] = array(
'#type' => 'checkboxes',
'#title' => t('Organic Groups'),
'#default_value' => $og_access,
'#options' => og_all_groups_options(),
'#description' => t('Only users in the checked organic groups will be able to see this avatar icon; if no groups are checked, access will not be restricted.'),
);
}
$form['update'] = array(
'#type' => 'submit',
'#value' => t('Update'),
'#weight' => 9,
);
$form['delete'] = array(
'#type' => 'submit',
'#value' => t('Delete'),
'#weight' => 10,
);
}
}
}
return $form;
}
function avatar_selection_config_form_validate($form_id, $form_values) {
$error = FALSE;
if ($form_values['op'] == t('Update')) {
if (!is_numeric($form_values['avatar_per_page'])) {
form_set_error('avatar_per_page', t('Must be a number.'));
$error = TRUE;
}
}
}
function avatar_selection_images_form_validate($form_id, $form_values) {
$error = FALSE;
if ($form_values['op'] == t('Upload')) {
if ($file = file_check_upload('picture_upload')) {
avatar_selection_validate_picture($file);
}
}
}
function avatar_selection_delete_form_validate($form_id, $form_values) {
if ($form_values['op'] == t('Delete')) {
if (count(array_filter($form_values['images'])) == 0) {
form_set_error('images', t('Please select images to delete.'));
}
}
}
function avatar_selection_validate_picture($file) {
global $form_values;
$info = image_get_info($file->filepath);
list($maxwidth, $maxheight) = explode('x', variable_get('user_picture_dimensions', '85x85'));
if (!$info || !$info['extension']) {
form_set_error('picture_upload', t('The uploaded file was not an image.'));
}
else {
if (image_get_toolkit()) {
image_scale($file->filepath, $file->filepath, $maxwidth, $maxheight);
}
else {
if (filesize($file->filepath) > variable_get('user_picture_file_size', '30') * 1000) {
form_set_error('picture_upload', t('The uploaded image is too large; the maximum file size is %size kB.', array(
'%size' => variable_get('user_picture_file_size', '30'),
)));
}
else {
if ($info['width'] > $maxwidth || $info['height'] > $maxheight) {
form_set_error('picture_upload', t('The uploaded image is too large; the maximum dimensions are %dimensions pixels.', array(
'%dimensions' => variable_get('user_picture_dimensions', '85x85'),
)));
}
}
}
}
}
function avatar_selection_config_form_submit($form_id, $form_values) {
$op = $form_values['op'];
if ($op == t('Update')) {
variable_set('avatar_selection_disable_user_upload', $form_values['disable_user_upload']);
variable_set('avatar_selection_force_user_avatar_reg', $form_values['force_set_image_reg']);
variable_set('avatar_selection_force_user_avatar', $form_values['force_set_image']);
variable_set('avatar_selection_avatar_per_page', $form_values['avatar_per_page']);
variable_set('avatar_selection_set_random_default', $form_values['set_random_default']);
drupal_set_message(t('Configuration has been updated.'));
}
}
function avatar_selection_images_form_submit($form_id, $form_values) {
$op = $form_values['op'];
if ($op == t('Upload')) {
$dir = file_create_path('avatar_selection');
$is_writable = file_check_directory($dir, 1);
if ($is_writable) {
if ($source = file_check_upload('picture_upload')) {
if ($file = file_save_upload($source, $dir)) {
if (image_get_info($file->filepath)) {
$access = implode(', ', array_keys(array_filter($form_values['access'])));
if (module_exists("og")) {
$og = implode(', ', array_keys(array_filter($form_values['og_access'])));
}
_avatar_selection_save_avatar_info($file->filepath, $access, $og);
drupal_set_message(t('New image saved.'));
}
else {
file_delete($file->filepath);
drupal_set_message('Uploaded file does not appear to be a valid image file. Please try again.');
}
}
}
}
else {
form_set_error('picture_upload', t('Directory not writable: !dir', array(
'!dir' => $dir,
)));
}
}
}
function avatar_selection_edit_form_submit($form_id, $form_values) {
$op = $form_values['op'];
if ($op == t('Update')) {
$access = implode(', ', array_keys(array_filter($form_values['access'])));
if (module_exists("og")) {
$og = implode(', ', array_keys(array_filter($form_values['og_access'])));
}
_avatar_selection_save_avatar_info($form_values['select_avatar'], $access, $og);
drupal_set_message(t('Image updated.'));
}
else {
if ($op == t('Delete')) {
$image = $form_values['select_avatar'];
avatar_selection_image_delete($image);
}
}
}
function avatar_selection_image_delete($image) {
if (file_check_location($image, file_create_path('avatar_selection'))) {
$result = db_query("DELETE FROM {avatar_selection} WHERE avatar = '%s'", $image);
file_delete($image);
if (!image_get_info($image)) {
drupal_set_message(t('Image deleted.'));
}
}
}
function avatar_selection_file_download($file) {
if (user_access('access content')) {
$data = explode('/', $file);
$icon = array_pop($data);
$folder = implode('/', $data);
if ('avatar_selection' == $folder) {
$info = image_get_info(file_create_path($file));
return array(
'Content-type: ' . $info['mime_type'],
'Content-length: ' . $info['file_size'],
);
}
else {
return null;
}
}
}
function avatar_selection_handler_filter_role() {
$rids = array();
$result = db_query("SELECT r.rid, r.name FROM {role} r ORDER BY r.name");
while ($obj = db_fetch_object($result)) {
$rids[$obj->rid] = $obj->name;
}
return $rids;
}
function _avatar_selection_save_avatar_info($filepath, $access, $og = "") {
switch ($GLOBALS['db_type']) {
case 'mysqli':
case 'mysql':
$result = db_query("REPLACE INTO {avatar_selection} (avatar, access, og_access) VALUES('%s', '%s', '%s')", $filepath, $access, $og);
break;
case 'pgsql':
$result = db_query("DELETE FROM {avatar_selection} WHERE avatar = '%s'", $filepath);
$result = db_query("INSERT INTO {avatar_selection} (avatar, access, og_access) VALUES('%s', '%s', '%s')", $file->filepath, $access, $og);
break;
}
}
