* @author Guillaume Viguier * * @since Chamilo 1.8.7 * @package chamilo.admin */ /** * This function allows easy activating and inactivating of plugins * @todo: a similar function needs to be written to activate or inactivate additional tools. * @author Patrick Cool , Ghent University */ function handle_plugins() { global $SettingsStored; $userplugins = array(); $table_settings_current = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT); if (isset($_POST['submit_plugins'])) { store_plugins(); // Add event to the system log. $user_id = api_get_user_id(); $category = $_GET['category']; event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_CATEGORY, $category, api_get_utc_datetime(), $user_id); Display :: display_confirmation_message(get_lang('SettingsStored')); } //echo get_lang('AvailablePlugins').'
'; echo '
'; /* We scan the plugin directory. Each folder is a potential plugin. */ $pluginpath = api_get_path(SYS_PLUGIN_PATH); $handle = @opendir($pluginpath); while (false !== ($file = readdir($handle))) { if ($file != '.' && $file != '..' && is_dir(api_get_path(SYS_PLUGIN_PATH).$file)) { $possibleplugins[] = $file; } } @closedir($handle); /* For each of the possible plugin directories we check whether a file named "plugin.php" exists (it contains all the needed information about this plugin). This "plugin.php" file looks like: $plugin_info['title'] = 'The title of the plugin'; $plugin_info['comment'] = 'Some comment about the plugin'; $plugin_info['location'] = array('loginpage_menu', 'campushomepage_menu', 'banner'); // The possible locations where the plugins can be used. $plugin_info['version'] = '0.1 alpha'; // The version number of the plugin. $plugin_info['author'] = 'Patrick Cool'; // The author of the plugin. */ echo '
'; echo ''; echo ''; echo ''; echo ''; /* We retrieve all the active plugins. */ //$sql = "SELECT * FROM $table_settings_current WHERE category='Plugins'"; //$result = Database::query($sql); $result = api_get_settings('Plugins'); //while ($row = Database::fetch_array($result)) foreach ($result as $row) { $usedplugins[$row['variable']][] = $row['selected_value']; } /* We display all the possible plugins and the checkboxes */ foreach ($possibleplugins as $testplugin) { $plugin_info_file = api_get_path(SYS_PLUGIN_PATH).$testplugin.'/plugin.php'; if (file_exists($plugin_info_file)) { $plugin_info = array(); include ($plugin_info_file); echo ''; echo ''; // column: LoginPageMainArea if (empty($usedplugins)) { $usedplugins = array(); } display_plugin_cell('loginpage_main', $plugin_info, $testplugin, $usedplugins); display_plugin_cell('loginpage_menu', $plugin_info, $testplugin, $usedplugins); display_plugin_cell('campushomepage_main', $plugin_info, $testplugin, $usedplugins); display_plugin_cell('campushomepage_menu', $plugin_info, $testplugin, $usedplugins); display_plugin_cell('mycourses_main', $plugin_info, $testplugin, $usedplugins); display_plugin_cell('mycourses_menu', $plugin_info, $testplugin, $usedplugins); display_plugin_cell('header', $plugin_info, $testplugin, $usedplugins); display_plugin_cell('footer', $plugin_info, $testplugin, $usedplugins); display_plugin_cell('course_tool_plugin', $plugin_info, $testplugin, $usedplugins); echo ''; } } echo '
'; echo get_lang('Plugin'); echo ''; echo get_lang('LoginPageMainArea'); echo ''; echo get_lang('LoginPageMenu'); echo ''; echo get_lang('CampusHomepageMainArea'); echo ''; echo get_lang('CampusHomepageMenu'); echo ''; echo get_lang('MyCoursesMainArea'); echo ''; echo get_lang('MyCoursesMenu'); echo ''; echo get_lang('Header'); echo ''; echo get_lang('Footer'); echo ''; echo get_lang('CourseTool'); echo '
'; foreach ($plugin_info as $key => $value) { if ($key != 'location') { if ($key == 'title') { $value = ''.$value.''; } echo get_lang(ucwords($key)).': '.$value.'
'; } } if (file_exists(api_get_path(SYS_PLUGIN_PATH).$testplugin.'/readme.txt')) { echo "readme.txt"; } echo '
'; echo '
'; echo '
'; echo '
'; } function display_plugin_cell($location, $plugin_info, $current_plugin, $active_plugins) { echo ''; if (in_array($location, $plugin_info['location'])) { if (isset($active_plugins[$location]) && is_array($active_plugins[$location]) && in_array($current_plugin, $active_plugins[$location])) { $checked = 'checked'; } else { $checked = ''; } echo ''; } echo ""; } /** * This function allows the platform admin to choose the default stylesheet * @author Patrick Cool , Ghent University * @author Julio Montoya , Chamilo */ function handle_stylesheets() { global $_configuration; // Current style. $currentstyle = api_get_setting('stylesheets'); $is_style_changeable = false; if ($_configuration['access_url'] != 1) { $style_info = api_get_settings('stylesheets', '', 1, 0); $url_info = api_get_access_url($_configuration['access_url']); if ($style_info[0]['access_url_changeable'] == 1 && $url_info['active'] == 1) { $is_style_changeable = true; echo ''; } } else { $is_style_changeable = true; echo ''; } $form = new FormValidator('stylesheet_upload', 'post', 'settings.php?category=stylesheets&showuploadform=true'); $form->addElement('text', 'name_stylesheet', get_lang('NameStylesheet'), array('size' => '40', 'maxlength' => '40')); $form->addRule('name_stylesheet', get_lang('ThisFieldIsRequired'), 'required'); $form->addElement('file', 'new_stylesheet', get_lang('UploadNewStylesheet')); $allowed_file_types = array('css', 'zip', 'jpeg', 'jpg', 'png', 'gif'); $form->addRule('new_stylesheet', get_lang('InvalidExtension').' ('.implode(',', $allowed_file_types).')', 'filetype', $allowed_file_types); $form->addRule('new_stylesheet', get_lang('ThisFieldIsRequired'), 'required'); $form->addElement('style_submit_button', 'stylesheet_upload', get_lang('Ok'), array('class'=>'save')); if ($form->validate() && is_writable(api_get_path(SYS_CODE_PATH).'css/')) { $values = $form->exportValues(); $picture_element = & $form->getElement('new_stylesheet'); $picture = $picture_element->getValue(); upload_stylesheet($values, $picture); // Add event to the system log. $user_id = api_get_user_id(); $category = $_GET['category']; event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_CATEGORY, $category, api_get_utc_datetime(), $user_id); Display::display_confirmation_message(get_lang('StylesheetAdded')); } else { if (!is_writable(api_get_path(SYS_CODE_PATH).'css/')) { Display::display_error_message(api_get_path(SYS_CODE_PATH).'css/'.get_lang('IsNotWritable')); } else { if ($_GET['showuploadform'] == 'true') { echo '
'; } else { echo ''; } } // Preview of the stylesheet. echo '
'; ?> '; echo '
"; //echo ''.$show_name.''; } else { echo ''.$show_name.''; } echo '
'; $counter++; } } } @closedir($handle); } //Sort styles in alphabetical order asort($list_of_names); foreach($list_of_names as $style_dir=>$item) { echo $list_of_styles[$style_dir]; } //echo '
'; echo '  '; if ($is_style_changeable){ echo ''; } } /** * Creates the folder (if needed) and uploads the stylesheet in it * * @param array $values the values of the form * @param array $picture the values of the uploaded file * * @author Patrick Cool , Ghent University, Belgium * @version May 2008 * @since Dokeos 1.8.5 */ function upload_stylesheet($values, $picture) { // Valid name for the stylesheet folder. $style_name = api_preg_replace('/[^A-Za-z0-9]/', '', $values['name_stylesheet']); // Create the folder if needed. if (!is_dir(api_get_path(SYS_CODE_PATH).'css/'.$style_name.'/')) { mkdir(api_get_path(SYS_CODE_PATH).'css/'.$style_name.'/', api_get_permissions_for_new_directories()); } $info = pathinfo($picture['name']); if ($info['extension'] == 'zip') { // Try to open the file and extract it in the theme. $zip = new ZipArchive(); if ($zip->open($picture['tmp_name'])) { // Make sure all files inside the zip are images or css. $num_files = $zip->numFiles; $valid = true; $single_directory = true; $invalid_files = array(); for ($i = 0; $i < $num_files; $i++) { $file = $zip->statIndex($i); if (substr($file['name'], -1) != '/') { $path_parts = pathinfo($file['name']); if (!in_array($path_parts['extension'], array('jpg', 'jpeg', 'png', 'gif', 'css'))) { $valid = false; $invalid_files[] = $file['name']; } } if (strpos($file['name'], '/') === false) { $single_directory = false; } } if (!$valid) { $error_string = '
    '; foreach ($invalid_files as $invalid_file) { $error_string .= '
  • '.$invalid_file.'
    • '; } $error_string .= '
'; Display::display_error_message(get_lang('ErrorStylesheetFilesExtensionsInsideZip').$error_string, false); } else { // If the zip does not contain a single directory, extract it. if (!$single_directory) { // Extract zip file. $zip->extractTo(api_get_path(SYS_CODE_PATH).'css/'.$style_name.'/'); } else { $extraction_path = api_get_path(SYS_CODE_PATH).'css/'.$style_name.'/'; for ($i = 0; $i < $num_files; $i++) { $entry = $zip->getNameIndex($i); if (substr($entry, -1) == '/') continue; $pos_slash = strpos($entry, '/'); $entry_without_first_dir = substr($entry, $pos_slash + 1); // If there is still a slash, we need to make sure the directories are created. if (strpos($entry_without_first_dir, '/') !== false) { if (!is_dir($extraction_path.dirname($entry_without_first_dir))) { // Create it. @mkdir($extraction_path.dirname($entry_without_first_dir), $mode = 0777, true); } } $fp = $zip->getStream($entry); $ofp = fopen( $extraction_path. dirname($entry_without_first_dir).'/'.basename($entry), 'w'); while (!feof($fp)) { fwrite($ofp, fread($fp, 8192)); } fclose($fp); fclose($ofp); } } } $zip->close(); } else { Display::display_error_message(get_lang('ErrorReadingZip').$info['extension'], false); } } else { // Simply move the file. move_uploaded_file($picture['tmp_name'], api_get_path(SYS_CODE_PATH).'css/'.$style_name.'/'.$picture['name']); } } /** * This function allows easy activating and inactivating of plugins * @todo: A similar function needs to be written to activate or inactivate additional tools. * @author Patrick Cool , Ghent University */ function store_plugins() { $table_settings_current = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT); global $_configuration; // Get a list of all current 'Plugins' settings $installed_plugins = api_get_settings('Plugins','list',$_configuration['access_url']); $shortlist_installed = array(); foreach ($installed_plugins as $plugin) { $shortlist_installed[] = $plugin['subkey']; } $shortlist_installed = array_flip(array_flip($shortlist_installed)); // Step 1 : We remove all the plugins. //$sql = "DELETE FROM $table_settings_current WHERE category='Plugins'"; //Database::query($sql); $r = api_delete_category_settings('Plugins', $_configuration['access_url']); $shortlist_required = array(); // Step 2: Looping through all the post values we only store these which are really a valid plugin location. foreach ($_POST as $form_name => $formvalue) { $form_name_elements = explode('-', $form_name); if (is_valid_plugin_location($form_name_elements[1])) { $shortlist_required[] = $form_name_elements[0]; //$sql = "INSERT into $table_settings_current (variable,category,selected_value) VALUES ('".$form_name_elements['1']."','Plugins','".$form_name_elements['0']."')"; //Database::query($sql); api_add_setting($form_name_elements['0'], $form_name_elements['1'], $form_name_elements['0'], null, 'Plugins', $form_name_elements['0'], null, null, null, $_configuration['access_url'], 1); // check if there is an install procedure $pluginpath = api_get_path(SYS_PLUGIN_PATH).$form_name_elements[0].'/install.php'; if (is_file($pluginpath) && is_readable($pluginpath)) { //execute the install procedure include $pluginpath; } } } foreach ($shortlist_installed as $plugin) { // if one plugin was really deleted, execute the uninstall script if (!in_array($plugin,$shortlist_required)) { // check if there is an install procedure $pluginpath = api_get_path(SYS_PLUGIN_PATH).$plugin.'/uninstall.php'; if (is_file($pluginpath) && is_readable($pluginpath)) { //execute the install procedure include $pluginpath; } } } } /** * Check if the post information is really a valid plugin location. * @author Patrick Cool , Ghent University */ function is_valid_plugin_location($location) { static $valid_locations = array('loginpage_main', 'loginpage_menu', 'campushomepage_main', 'campushomepage_menu', 'mycourses_main', 'mycourses_menu', 'header', 'footer', 'course_tool_plugin'); return in_array($location, $valid_locations); } /** * This function allows the platform admin to choose which should be the default stylesheet * @author Patrick Cool , Ghent University */ function store_stylesheets() { global $_configuration; // Database table definitions. $table_settings_current = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT); // Insert the stylesheet. $style = Database::escape_string($_POST['style']); if (is_style($style)) { /* $sql = 'UPDATE '.$table_settings_current.' SET selected_value = "'.$style.'" WHERE variable = "stylesheets" AND category = "stylesheets"'; Database::query($sql); */ api_set_setting('stylesheets', $style, null, 'stylesheets', $_configuration['access_url']); } return true; } /** * This function checks if the given style is a recognize style that exists in the css directory as * a standalone directory. * @param string Style * @return bool True if this style is recognized, false otherwise */ function is_style($style) { $dir = api_get_path(SYS_PATH).'main/css/'; $dirs = scandir($dir); $style = str_replace(array('/', '\\'), array('', ''), $style); // Avoid slashes or backslashes. if (in_array($style, $dirs) && is_dir($dir.$style)) { return true; } return false; } /** * Search options * TODO: support for multiple site. aka $_configuration['access_url'] == 1 * @author Marco Villegas */ function handle_search() { global $SettingsStored, $_configuration; require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php'; require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php'; $search_enabled = api_get_setting('search_enabled'); $form = new FormValidator('search-options', 'post', api_get_self().'?category=Search'); $renderer = & $form->defaultRenderer(); //$renderer->setHeaderTemplate('
{header}
'."\n"); //$renderer->setElementTemplate('
{label}
'."\n".'
{element}
'."\n"); $renderer->setElementTemplate('
{label}
{element}{label_2}
'); $values = api_get_settings_options('search_enabled'); $form->addElement('header', null, get_lang('SearchEnabledTitle')); $group = array (); if (is_array($values)) { foreach ($values as $key => $value) { $element = & $form->createElement('radio', 'search_enabled', '', get_lang($value['display_text']), $value['value']); /* $hide_element is not defined if ($hide_element) { $element->freeze(); } */ $group[] = $element; } } //SearchEnabledComment $form->addGroup($group, 'search_enabled', array(get_lang('SearchEnabledTitle'), get_lang('SearchEnabledComment')), '
', false); $search_enabled = api_get_setting('search_enabled'); if ($form->validate()) { $formvalues = $form->exportValues(); $r = api_set_settings_category('Search', 'false', $_configuration['access_url']); // Save the settings. foreach ($formvalues as $key => $value) { $result = api_set_setting($key, $value, null, null); } $search_enabled = $formvalues['search_enabled']; Display::display_confirmation_message($SettingsStored); } $specific_fields = get_specific_field_list(); if ($search_enabled == 'true') { // Search_show_unlinked_results. //$form->addElement('header', null, get_lang('SearchShowUnlinkedResultsTitle')); //$form->addElement('label', null, get_lang('SearchShowUnlinkedResultsComment')); $values = api_get_settings_options('search_show_unlinked_results'); $group = array (); foreach ($values as $key => $value) { $element = & $form->createElement('radio', 'search_show_unlinked_results', '', get_lang($value['display_text']), $value['value']); $group[] = $element; } $form->addGroup($group, 'search_show_unlinked_results', array(get_lang('SearchShowUnlinkedResultsTitle'),get_lang('SearchShowUnlinkedResultsComment')), '
', false); $default_values['search_show_unlinked_results'] = api_get_setting('search_show_unlinked_results'); // Search_prefilter_prefix. //$form->addElement('header', null, get_lang('SearchPrefilterPrefix')); //$form->addElement('label', null, get_lang('SearchPrefilterPrefixComment')); $sf_values = array(); foreach ($specific_fields as $sf) { $sf_values[$sf['code']] = $sf['name']; } $group = array(); $url = Display::div(Display::url(get_lang('AddSpecificSearchField'), 'specific_fields.php'), array('class'=>'sectioncomment')); if (empty($sf_values)) { $form->addElement('html', get_lang('SearchPrefilterPrefix').$url); } else { $form->addElement('select', 'search_prefilter_prefix', array(get_lang('SearchPrefilterPrefix'), $url), $sf_values, ''); $default_values['search_prefilter_prefix'] = api_get_setting('search_prefilter_prefix'); } } $default_values['search_enabled'] = $search_enabled; //$form->addRule('search_show_unlinked_results', get_lang('ThisFieldIsRequired'), 'required'); $form->addElement('style_submit_button', 'submit', get_lang('Save'),'class="save"'); $form->setDefaults($default_values); echo '
'; $form->display(); echo '
'; if ($search_enabled == 'true') { require_once api_get_path(LIBRARY_PATH).'sortabletable.class.php'; $xapian_path = api_get_path(SYS_PATH).'searchdb'; /* @todo Test the Xapian connection if (extension_loaded('xapian')) { require_once 'xapian.php'; try { $db = new XapianDatabase($xapian_path.'/'); } catch (Exception $e) { var_dump($e->getMessage()); } require_once api_get_path(LIBRARY_PATH) . 'search/DokeosIndexer.class.php'; require_once api_get_path(LIBRARY_PATH) . 'search/IndexableChunk.class.php'; require_once api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php'; $indexable = new IndexableChunk(); $indexable->addValue("content", 'Test'); $di = new DokeosIndexer(); $di->connectDb(NULL, NULL, 'english'); $di->addChunk($indexable); $did = $di->index(); } */ $xapian_loaded = Display::return_icon('bullet_green.gif', get_lang('Ok')); $dir_exists = Display::return_icon('bullet_green.gif', get_lang('Ok')); $dir_is_writable = Display::return_icon('bullet_green.gif', get_lang('Ok')); $specific_fields_exists = Display::return_icon('bullet_green.gif', get_lang('Ok')); //Testing specific fields if (empty($specific_fields)) { $specific_fields_exists = Display::return_icon('bullet_red.gif', get_lang('AddSpecificSearchField')); } //Testing xapian extension if (!extension_loaded('xapian')) { $xapian_loaded = Display::return_icon('bullet_red.gif', get_lang('Error')); } //Testing xapian searchdb path if (!is_dir($xapian_path)) { $dir_exists = Display::return_icon('bullet_red.gif', get_lang('Error')); } //Testing xapian searchdb path is writable if (!is_writable($xapian_path)) { $dir_is_writable = Display::return_icon('bullet_red.gif', get_lang('Error')); } $data[] = array(get_lang('XapianModuleInstalled'),$xapian_loaded); $data[] = array(get_lang('DirectoryExists').' - '.$xapian_path,$dir_exists); $data[] = array(get_lang('IsWritable').' - '.$xapian_path,$dir_is_writable); $data[] = array(get_lang('SpecificSearchFieldsAvailable') ,$specific_fields_exists); echo Display::tag('h3', get_lang('Settings')); $table = new SortableTableFromArray($data); $table->set_header(0, get_lang('Setting'), false); $table->set_header(1, get_lang('Status'), false); echo $table->display(); //@todo windows support if (api_is_windows_os() == false) { $list_of_programs = array('pdftotext','ps2pdf', 'catdoc','html2text','unrtf', 'catppt', 'xls2csv'); foreach($list_of_programs as $program) { $output = $ret_val = null; exec("which $program", $output, $ret_val); $icon = Display::return_icon('bullet_red.gif', get_lang('NotInstalled')); if (!empty($output[0])) { $icon = Display::return_icon('bullet_green.gif', get_lang('Installed')); } $data2[]= array($program, $output[0], $icon); } echo Display::tag('h3', get_lang('ProgramsNeededToConvertFiles')); $table = new SortableTableFromArray($data2); $table->set_header(0, get_lang('Program'), false); $table->set_header(1, get_lang('Path'), false); $table->set_header(2, get_lang('Status'), false); echo $table->display(); } else { Display::display_warning_message(get_lang('YouAreUsingChamiloInAWindowsPlatformSadlyYouCantConvertDocumentsInOrderToSearchTheContentUsingThisTool')); } } } /** * Wrapper for the templates * * @author Patrick Cool , Ghent University, Belgium * @version August 2008 * @since Dokeos 1.8.6 */ function handle_templates() { if ($_GET['action'] != 'add') { echo '
'; echo ''.Display::return_icon('new_template.png', get_lang('AddTemplate'),'','32').''; echo '
'; } if ($_GET['action'] == 'add' || ($_GET['action'] == 'edit' && is_numeric($_GET['id']))) { add_edit_template(); // Add event to the system log. $user_id = api_get_user_id(); $category = $_GET['category']; event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_CATEGORY, $category, api_get_utc_datetime(), $user_id); } else { if ($_GET['action'] == 'delete' && is_numeric($_GET['id'])) { delete_template($_GET['id']); // Add event to the system log $user_id = api_get_user_id(); $category = $_GET['category']; event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_CATEGORY, $category, api_get_utc_datetime(), $user_id); } display_templates(); } } /** * Display a sortable table with all the templates that the platform administrator has defined. * * @author Patrick Cool , Ghent University, Belgium * @version August 2008 * @since Dokeos 1.8.6 */ function display_templates() { $table = new SortableTable('templates', 'get_number_of_templates', 'get_template_data', 1); $table->set_additional_parameters(array('category' => Security::remove_XSS($_GET['category']))); $table->set_header(0, get_lang('Image'), true, array('style' => 'width: 101px;')); $table->set_header(1, get_lang('Title')); $table->set_header(2, get_lang('Actions'), false, array('style' => 'width:50px;')); $table->set_column_filter(2, 'actions_filter'); $table->set_column_filter(0, 'image_filter'); $table->display(); } /** * Gets the number of templates that are defined by the platform admin. * * @return integer * * @author Patrick Cool , Ghent University, Belgium * @version August 2008 * @since Dokeos 1.8.6 */ function get_number_of_templates() { // Database table definition. $table_system_template = Database :: get_main_table('system_template'); // The sql statement. $sql = "SELECT COUNT(id) AS total FROM $table_system_template"; $result = Database::query($sql); $row = Database::fetch_array($result); // Returning the number of templates. return $row['total']; } /** * Gets all the template data for the sortable table. * * @param integer $from the start of the limit statement * @param integer $number_of_items the number of elements that have to be retrieved from the database * @param integer $column the column that is * @param string $direction the sorting direction (ASC or DESC� * @return array * * @author Patrick Cool , Ghent University, Belgium * @version August 2008 * @since Dokeos 1.8.6 */ function get_template_data($from, $number_of_items, $column, $direction) { // Database table definition. $table_system_template = Database :: get_main_table('system_template'); // The sql statement. $sql = "SELECT image as col0, title as col1, id as col2 FROM $table_system_template"; $sql .= " ORDER BY col$column $direction "; $sql .= " LIMIT $from,$number_of_items"; $result = Database::query($sql); while ($row = Database::fetch_array($result)) { $row['1'] = get_lang($row['1']); $return[] = $row; } // Returning all the information for the sortable table. return $return; } /** * display the edit and delete icons in the sortable table * * @param integer $id the id of the template * @return html code for the link to edit and delete the template * * @author Patrick Cool , Ghent University, Belgium * @version August 2008 * @since Dokeos 1.8.6 */ function actions_filter($id) { $return = ''.Display::return_icon('edit.png', get_lang('Edit'),'',22).''; $return .= ''.Display::return_icon('delete.png', get_lang('Delete'),'',22).''; return $return; } /** * Display the image of the template in the sortable table * * @param string $image the image * @return html code for the image * * @author Patrick Cool , Ghent University, Belgium * @version August 2008 * @since Dokeos 1.8.6 */ function image_filter($image) { if (!empty($image)) { return ''.get_lang('TemplatePreview').''; } else { return ''.get_lang('NoTemplatePreview').''; } } /** * Add (or edit) a template. This function displays the form and also takes care of uploading the image and storing the information in the database * * @author Patrick Cool , Ghent University, Belgium * @version August 2008 * @since Dokeos 1.8.6 */ function add_edit_template() { // Initialize the object. $form = new FormValidator('template', 'post', 'settings.php?category=Templates&action='.Security::remove_XSS($_GET['action']).'&id='.Security::remove_XSS($_GET['id'])); // Settting the form elements: the header. if ($_GET['action'] == 'add') { $title = get_lang('AddTemplate'); } else { $title = get_lang('EditTemplate'); } $form->addElement('header', '', $title); // Settting the form elements: the title of the template. $form->add_textfield('title', get_lang('Title'), false); // Settting the form elements: the content of the template (wysiwyg editor). $form->addElement('html_editor', 'template_text', get_lang('Text'), null, array('ToolbarSet' => 'AdminTemplates', 'Width' => '100%', 'Height' => '400')); // Settting the form elements: the form to upload an image to be used with the template. $form->addElement('file','template_image',get_lang('Image'),''); // Settting the form elements: a little bit information about the template image. $form->addElement('static', 'file_comment', '', get_lang('TemplateImageComment100x70')); // Getting all the information of the template when editing a template. if ($_GET['action'] == 'edit') { // Database table definition. $table_system_template = Database :: get_main_table('system_template'); $sql = "SELECT * FROM $table_system_template WHERE id = '".Database::escape_string($_GET['id'])."'"; $result = Database::query($sql); $row = Database::fetch_array($result); $defaults['template_id'] = intval($_GET['id']); $defaults['template_text'] = $row['content']; // Forcing get_lang(). $defaults['title'] = get_lang($row['title']); // Adding an extra field: a hidden field with the id of the template we are editing. $form->addElement('hidden', 'template_id'); // Adding an extra field: a preview of the image that is currently used. if (!empty($row['image'])) { $form->addElement('static', 'template_image_preview', '', ''.get_lang('TemplatePreview').''); } else { $form->addElement('static', 'template_image_preview', '', ''.get_lang('NoTemplatePreview').''); } // Setting the information of the template that we are editing. $form->setDefaults($defaults); } // Settting the form elements: the submit button. $form->addElement('style_submit_button' , 'submit', get_lang('Ok') ,'class="save"'); // Setting the rules: the required fields. $form->addRule('title', '
'.get_lang('ThisFieldIsRequired'), 'required'); $form->addRule('template_text', '
'.get_lang('ThisFieldIsRequired'), 'required'); // if the form validates (complies to all rules) we save the information, else we display the form again (with error message if needed) if ($form->validate()) { $check = Security::check_token('post'); if ($check) { // Exporting the values. $values = $form->exportValues(); // Upload the file. if (!empty($_FILES['template_image']['name'])) { require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php'; $upload_ok = process_uploaded_file($_FILES['template_image']); if ($upload_ok) { // Try to add an extension to the file if it hasn't one. $new_file_name = add_ext_on_mime(stripslashes($_FILES['template_image']['name']), $_FILES['template_image']['type']); // The upload directory. $upload_dir = api_get_path(SYS_PATH).'home/default_platform_document/template_thumb/'; // Create the directory if it does not exist. if (!is_dir($upload_dir)) { mkdir($upload_dir, api_get_permissions_for_new_directories()); } // Resize the preview image to max default and upload. $temp = new Image($_FILES['template_image']['tmp_name']); $picture_info = $temp->get_image_info(); $max_width_for_picture = 100; if ($picture_info['width'] > $max_width_for_picture) { $thumbwidth = $max_width_for_picture; if (empty($thumbwidth) || $thumbwidth == 0) { $thumbwidth = $max_width_for_picture; } $new_height = round(($thumbwidth / $picture_info['width']) * $picture_info['height']); $temp->resize($thumbwidth, $new_height, 0); } $temp->send_image($upload_dir.$new_file_name); } } // Store the information in the database (as insert or as update). $table_system_template = Database :: get_main_table('system_template'); if ($_GET['action'] == 'add') { $content_template = '{CSS}'.Database::escape_string($values['template_text']).''; $sql = "INSERT INTO $table_system_template (title, content, image) VALUES ('".Database::escape_string($values['title'])."','".$content_template."','".Database::escape_string($new_file_name)."')"; $result = Database::query($sql); // Display a feedback message. Display::display_confirmation_message(get_lang('TemplateAdded')); echo ''.Display::return_icon('new_template.png', get_lang('AddTemplate'),'','32').''; } else { $content_template = '{CSS}'.Database::escape_string($values['template_text']).''; $sql = "UPDATE $table_system_template set title = '".Database::escape_string($values['title'])."', content = '".$content_template."'"; if (!empty($new_file_name)) { $sql .= ", image = '".Database::escape_string($new_file_name)."'"; } $sql .= " WHERE id='".Database::escape_string($_GET['id'])."'"; $result = Database::query($sql); // Display a feedback message. Display::display_confirmation_message(get_lang('TemplateEdited')); } } Security::clear_token(); display_templates(); } else { $token = Security::get_token(); $form->addElement('hidden','sec_token'); $form->setConstants(array('sec_token' => $token)); // Display the form. $form->display(); } } /** * Delete a template * * @param integer $id the id of the template that has to be deleted * * @author Patrick Cool , Ghent University, Belgium * @version August 2008 * @since Dokeos 1.8.6 */ function delete_template($id) { // First we remove the image. $table_system_template = Database :: get_main_table('system_template'); $sql = "SELECT * FROM $table_system_template WHERE id = '".Database::escape_string($id)."'"; $result = Database::query($sql); $row = Database::fetch_array($result); if (!empty($row['image'])) { @unlink(api_get_path(SYS_PATH).'home/default_platform_document/template_thumb/'.$row['image']); } // Now we remove it from the database. $sql = "DELETE FROM $table_system_template WHERE id = '".Database::escape_string($id)."'"; $result = Database::query($sql); // Display a feedback message. Display::display_confirmation_message(get_lang('TemplateDeleted')); } /** * Returns the list of timezone identifiers used to populate the select * * @return array List of timezone identifiers * * @author Guillaume Viguier * @since Chamilo 1.8.7 */ function select_timezone_value() { return api_get_timezones(); } /** * Returns an array containing the list of options used to populate the gradebook_number_decimals variable * * @return array List of gradebook_number_decimals options * * @author Guillaume Viguier */ function select_gradebook_number_decimals() { return array('0', '1', '2'); } /** * Updates the gradebook score custom values using the scoredisplay class of the * gradebook module * * @param array List of gradebook score custom values * * @author Guillaume Viguier */ function update_gradebook_score_display_custom_values($values) { require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/scoredisplay.class.php'; $scoredisplay = ScoreDisplay::instance(); $scores = $values['gradebook_score_display_custom_values_endscore']; $displays = $values['gradebook_score_display_custom_values_displaytext']; $nr_displays = count($displays); $final = array(); for ($i = 1; $i < $nr_displays; $i++) { if (!empty($scores[$i]) && !empty($displays[$i])) { $final[$i]['score'] = $scores[$i]; $final[$i]['display'] = $displays[$i]; } } $scoredisplay->update_custom_score_display_settings($final); }