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<?php
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/**
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* @file
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* User Profile Theme module, enables custom user profile themes.
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*
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* Provides each user the possibility to apply a different CSS file to
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* his/her profile page.
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*
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* @todo Add feature: User can upload images for backgrounds etc. A variable is
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* then provide to represent the images directory.
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*
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* @todo Add feature: Admin can specify where CSS files and images are put.
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*
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* @todo Add .po files for Dutch, French, ...
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*
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* @todo Write readme.txt.
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*
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* @todo Add license file.
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*
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* @todo Write install.txt explaining you need to add class="profile" to you body tag.
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*
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* @todo Implement hook_help().
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*
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* @todo Write handbook page http://www.drupal.org/handbook/config/contribmodules
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*
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* @todo Convert to drupal 6 (and 4 - but don't add more features to 4 in the future)
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*
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* @todo For help... refer to http://drupal.org/node/32077
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*/
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/**
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* Implementation of hook_help().
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*/
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/*function user_profile_theme_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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return t('User profile theme');
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}
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}*/
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/**
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* Implementation of hook_perm().
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*/
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function user_profile_theme_perm() {
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return array(
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'administer user profile theme',
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'have theme',
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'edit other users\' theme',
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'edit own theme',
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'view theme'
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);
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}
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/**
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* Implementation of hook_requirements().
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*/
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function user_profile_theme_requirements($phase) {
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$requirements = array();
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$t = get_t();
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if ($phase == 'runtime') {
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// Test if files directory is writable.
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if (!is_writable(file_create_path())) {
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$requirements['files_writable'] = array(
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'title' => $t('The directory files is not writable'),
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'value' => $t('File directory is not writable. User Profile Theme CSS files will not be written.'),
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'severity' => REQUIREMENT_ERROR,
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'description' => $t('User Profile Theme requires your files directory to be written. You can find out where your files directory resides in the <a href="' . base_path() . 'admin/settings/file-system">file_system_settings</a>'),
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);
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}
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}
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return $requirements;
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}
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/**
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* Implementation of hook_menu().
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*/
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function user_profile_theme_menu($may_cache) {
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$items = array();
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if ($may_cache) {
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$items[] = array(
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'path' => 'admin/settings/user_profile_theme',
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'title' => t('User Profile Theme'),
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'description' => t('Administer user profile theme settings.'),
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'callback' => 'drupal_get_form',
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'callback arguments' => array('user_profile_theme_admin_settings'),
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'access' => user_access('administer user profile theme'),
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'type' => MENU_NORMAL_ITEM,
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);
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}
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return $items;
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}
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/*
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* Module settings form.
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*/
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function user_profile_theme_admin_settings() {
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$form = array();
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$form['user_profile_theme_enabled'] = array(
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'#type' => 'checkbox',
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'#title' => t('Enabled'),
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'#default_value' => variable_get('user_profile_theme_enabled', 0),
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'#description' => t('Should a user be able to specify a custom CSS file for his user profile page?'),
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);
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return system_settings_form($form);
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}
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/**
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* Implementation of hook_user().
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*
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* Provides signature customization for the user's comments.
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*/
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function user_profile_theme_user($type, $edit, &$user, $category = NULL) {
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if (variable_get('user_profile_theme_enabled', 0) == 1 ) {
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/*
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* User profile edit form.
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*/
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if ($type == 'form' && $category == 'account') {
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if (user_access('edit other users\' theme') || (user_access('have theme') && user_access('edit own theme'))) {
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$filename = _user_profile_theme_get_filename($user->uid);
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$contents = _user_profile_theme_read_file($filename);
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$form = array();
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$form['user_profile_theme'] = array(
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'#type' => 'fieldset',
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'#title' => t('User profile theme'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#weight' => 10
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);
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$form['user_profile_theme']['user_profile_theme_css'] = array(
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'#type' => 'textarea',
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'#title' => t('Theme'),
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'#default_value' => $contents,
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'#description' => t('Paste the CSS code of your theme here.')
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);
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return $form;
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}
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}
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/*
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* View user profile.
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*/
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elseif ($type == 'view') {
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// We add the CSS file to the header.
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if(user_access('view theme') && user_access('have theme', $user)) {
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drupal_add_css(_user_profile_theme_get_filename($user->uid), 'module', 'screen');
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}
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}
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/*
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* Submit user profile edit form.
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*/
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elseif ($type == 'submit') {
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if (user_access('edit other users\' theme') || (user_access('have theme') && user_access('edit own theme'))) {
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if(!empty($edit['user_profile_theme_css'])) {
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$content = $edit['user_profile_theme_css'];
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file_save_data($content,_user_profile_theme_get_filename($user->uid), FILE_EXISTS_REPLACE);
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}
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else {
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$filename = _user_profile_theme_get_filename($user->uid);
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file_delete($filename);
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}
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}
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}
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}
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}
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/**
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* Get file name of the user profile theme CSS file.
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*
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* If the file does not exist it is created.
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*
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* @param $uid
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* An integer representing the user id for who the CSS file is requested.
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* @return
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* Path to user profile theme CSS file.
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*/
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function _user_profile_theme_get_filename($uid) {
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$dir = file_create_path('user-profile-themes');
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file_check_directory($dir, FILE_CREATE_DIRECTORY);
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return $dir . '/profile-' . $uid . '.css';
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}
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/**
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* Read the content of a file into a string.
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*
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* @param $filename
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* A string representing the filename of the file to be read.
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* @return
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* String representing the content of the file.
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*/
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function _user_profile_theme_read_file($filename)
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{
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$content = '';
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if (file_exists($filename)) {
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if ($handle = fopen($filename, "r")) {
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if (filesize($filename) > 0) {
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$content = fread($handle, filesize($filename));
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}
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fclose($handle);
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} else {
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drupal_set_message(t('An error occured while trying to load the user profile theme file !filename', array('!filename', $filename)), 'error');
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}
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}
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return $content;
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}
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?>
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