<?php
/* For licensing terms, see /license.txt */
/**
==============================================================================
* With this tool you can easily adjust non critical configuration settings.
* Non critical means that changing them will not result in a broken campus.
*
* @author Patrick Cool
* @since Dokeos 1.6
* @author Julio Montoya - Multiple URL site
* @package dokeos.admin
==============================================================================
*/
/*
==============================================================================
INIT SECTION
==============================================================================
*/
// name of the language file that needs to be included
if ($_GET['category']=='Templates') {
$language_file = array('admin','document');
} else {
$language_file = array('admin');
}
// resetting the course id
$cidReset=true;
// including some necessary dokeos files
include_once ('../inc/global.inc.php');
require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
require_once (api_get_path(LIBRARY_PATH).'fileManage.lib.php');
require_once (api_get_path(LIBRARY_PATH).'fileUpload.lib.php');
// setting the section (for the tabs)
$this_section = SECTION_PLATFORM_ADMIN;
$_SESSION['this_section'] = $this_section;
// Access restrictions
api_protect_admin_script();
// Submit Stylesheets
if (isset($_POST['submit_stylesheets']))
{
$message = store_stylesheets();
header("Location: ".api_get_self()."?category=stylesheets");
exit;
}
// Database Table Definitions
$table_settings_current = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
// setting breadcrumbs
$interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
// setting the name of the tool
$tool_name = get_lang('DokeosConfigSettings');
// Build the form
if (!empty($_GET['category']) & & !in_array($_GET['category'], array('Plugins', 'stylesheets', 'Search'))) {
$form = new FormValidator('settings', 'post', 'settings.php?category='.$_GET['category']);
$renderer = & $form->defaultRenderer();
$renderer->setHeaderTemplate('< div class = "sectiontitle" > {header}< / div > '."\n");
$renderer->setElementTemplate('< div class = "sectioncomment" > {label}< / div > '."\n".'< div class = "sectionvalue" > {element}< / div > '."\n");
$my_category = Database::escape_string($_GET['category']);
$sqlcountsettings = "SELECT COUNT(*) FROM $table_settings_current WHERE category='".$my_category."' AND type< >'checkbox'";
$resultcountsettings = Database::query($sqlcountsettings);
$countsetting = Database::fetch_array($resultcountsettings);
if ($_configuration['access_url']==1) {
$settings = api_get_settings($my_category,'group',$_configuration['access_url']);
} else {
$url_info = api_get_access_url($_configuration['access_url']);
if ($url_info['active']==1) {
//the default settings of Dokeos
$settings = api_get_settings($my_category,'group',1,0);
//the settings that are changeable from a particular site
$settings_by_access = api_get_settings($my_category,'group',$_configuration['access_url'],1);
//echo '< pre > ';
//print_r($settings_by_access);
$settings_by_access_list=array();
foreach($settings_by_access as $row)
{
if (empty($row['variable']))
$row['variable']=0;
if (empty($row['subkey']))
$row['subkey']=0;
if (empty($row['category']))
$row['category']=0;
// one more validation if is changeable
if ($row['access_url_changeable']==1)
$settings_by_access_list[ $row['variable'] ] [ $row['subkey'] ] [ $row['category'] ] = $row;
else
$settings_by_access_list[ $row['variable'] ] [ $row['subkey'] ] [ $row['category'] ] = array();
}
}
}
//print_r($settings_by_access_list);echo '< / pre > ';
//$sqlsettings = "SELECT DISTINCT * FROM $table_settings_current WHERE category='$my_category' GROUP BY variable ORDER BY id ASC";
//$resultsettings = Database::query($sqlsettings);
//while ($row = Database::fetch_array($resultsettings))
$default_values = array();
foreach($settings as $row) {
if ($row['variable'] == 'search_enabled') { continue; }
$anchor_name = $row['variable'].(!empty($row['subkey']) ? '_'.$row['subkey'] : '');
$form->addElement('html',"\n< a name = \"$anchor_name\" > < / a > \n");
($countsetting['0']%10) < 5 ? $ b = $countsetting['0']-10:$b=$countsetting['0'];
if ($i % 10 == 0 and $i< $b){
$form->addElement('html','< div align = "right" > ');
$form->addElement('style_submit_button', null,get_lang('SaveSettings'), 'class="save"');
$form->addElement('html','< / div > ');
}
$i++;
$form->addElement('header', null, get_lang($row['title']));
if ($row['access_url_changeable']=='1' & & $_configuration['multiple_access_urls']==true) {
$form->addElement('html', '< div style = "float:right;" > '.Display::return_icon('shared_setting.png',get_lang('SharedSettingIconComment')).'< / div > ');
}
$hideme=array();
$hide_element=false;
if ($_configuration['access_url']!=1)
{
if ($row['access_url_changeable']==0)
{
//we hide the element in other cases (checkbox, radiobutton) we 'freeze' the element
$hide_element=true;
$hideme=array('disabled');
}
elseif($url_info['active']==1)
{
// we show the elements
if (empty($row['variable']))
$row['variable']=0;
if (empty($row['subkey']))
$row['subkey']=0;
if (empty($row['category']))
$row['category']=0;
if (is_array ($settings_by_access_list[ $row['variable'] ] [ $row['subkey'] ] [ $row['category'] ]))
{
// we are sure that the other site have a selected value
if ($settings_by_access_list[ $row['variable'] ] [ $row['subkey'] ] [ $row['category'] ]['selected_value']!='')
$row['selected_value'] =$settings_by_access_list[$row['variable']] [$row['subkey']] [ $row['category'] ]['selected_value'];
}
// there is no else because we load the default $row['selected_value'] of the main Dokeos site
}
}
switch ($row['type']) {
case 'textfield' :
if ($row['variable']=='account_valid_duration') {
$form->addElement('text', $row['variable'], get_lang($row['comment']),array('maxlength'=>'5'));
$form->applyFilter($row['variable'],'html_filter');
$default_values[$row['variable']] = $row['selected_value'];
// For platform character set selection: Conversion of the textfield to a select box with valid values.
} elseif ($row['variable'] == 'platform_charset') {
$current_system_encoding = api_refine_encoding_id(trim($row['selected_value']));
$valid_encodings = array_flip(api_get_valid_encodings());
if (!isset($valid_encodings[$current_system_encoding])) {
$is_alias_encoding = false;
foreach ($valid_encodings as $encoding) {
if (api_equal_encodings($encoding, $current_system_encoding)) {
$is_alias_encoding = true;
$current_system_encoding = $encoding;
break;
}
}
if (!$is_alias_encoding) {
$valid_encodings[$current_system_encoding] = $current_system_encoding;
}
}
foreach ($valid_encodings as $key => & $encoding) {
if (api_is_encoding_supported($key) & & Database::is_encoding_supported($key)) {
$encoding = $key;
} else {
//$encoding = $key.' (n.a.)';
unset($valid_encodings[$key]);
}
}
$form->addElement('select', $row['variable'], get_lang($row['comment']), $valid_encodings);
$default_values[$row['variable']] = $current_system_encoding;
//
} else {
$form->addElement('text', $row['variable'], get_lang($row['comment']),$hideme);
$form->applyFilter($row['variable'],'html_filter');
$default_values[$row['variable']] = $row['selected_value'];
}
break;
case 'textarea' :
$form->addElement('textarea', $row['variable'], get_lang($row['comment']),$hideme);
$default_values[$row['variable']] = $row['selected_value'];
break;
case 'radio' :
$values = get_settings_options($row['variable']);
$group = array ();
if (is_array($values )) {
foreach ($values as $key => $value) {
$element = & $form->createElement('radio', $row['variable'], '', get_lang($value['display_text']), $value['value']);
if ($hide_element) {
$element->freeze();
}
$group[] = $element;
}
}
$form->addGroup($group, $row['variable'], get_lang($row['comment']), '< br / > ', false);
$default_values[$row['variable']] = $row['selected_value'];
break;
case 'checkbox';
//1. we collect all the options of this variable
$sql = "SELECT * FROM settings_current WHERE variable='".$row['variable']."' AND access_url = 1";
$result = Database::query($sql);
$group = array ();
while ($rowkeys = Database::fetch_array($result)) {
if ($rowkeys['variable'] == 'course_create_active_tools' & & $rowkeys['subkey'] == 'enable_search') {continue;}
// profile tab option hide, if the social tool is enabled
if (api_get_setting('allow_social_tool') == 'true') {
if ($rowkeys['variable'] == 'show_tabs' & & $rowkeys['subkey'] == 'my_profile') {continue;}
}
$element = & $form->createElement('checkbox', $rowkeys['subkey'], '', get_lang($rowkeys['subkeytext']));
if ($row['access_url_changeable']==1) {
//2. we look into the DB if there is a setting for a specific access_url
$access_url = $_configuration['access_url'];
if(empty($access_url )) $access_url =1;
$sql = "SELECT selected_value FROM settings_current WHERE variable='".$rowkeys['variable']."' AND subkey='".$rowkeys['subkey']."' AND subkeytext='".$rowkeys['subkeytext']."' AND access_url = $access_url";
$result_access = Database::query($sql);
$row_access = Database::fetch_array($result_access);
if ($row_access['selected_value'] == 'true' & & ! $form->isSubmitted()) {
$element->setChecked(true);
}
} else {
if ($rowkeys['selected_value'] == 'true' & & ! $form->isSubmitted()) {
$element->setChecked(true);
}
}
if ($hide_element) {
$element->freeze();
}
$group[] = $element;
}
$form->addGroup($group, $row['variable'], get_lang($row['comment']), '< br / > '."\n");
break;
case "link" :
$form->addElement('static', null, get_lang($row['comment']), get_lang('CurrentValue').' : '.$row['selected_value'],$hideme);
}
}
$form->addElement('html','< div align = "right" > ');
$form->addElement('style_submit_button', null,get_lang('SaveSettings'), 'class="save"');
$form->addElement('html','< / div > ');
$form->setDefaults($default_values);
if ($form->validate())
{
$values = $form->exportValues();
// set true for allow_message_tool variable if social tool is actived
if ($values['allow_social_tool'] == 'true') {
$values['allow_message_tool'] = 'true';
}
// the first step is to set all the variables that have type=checkbox of the category
// to false as the checkbox that is unchecked is not in the $_POST data and can
// therefore not be set to false.
// This, however, also means that if the process breaks on the third of five checkboxes, the others
// will be set to false.
$r = api_set_settings_category($my_category,'false',$_configuration['access_url'],array('checkbox','radio'));
//$sql = "UPDATE $table_settings_current SET selected_value='false' WHERE category='$my_category' AND type='checkbox'";
//$result = Database::query($sql);
// Save the settings
$keys = array();
foreach ($values as $key => $value)
{
if (!is_array($value))
{
//$sql = "UPDATE $table_settings_current SET selected_value='".Database::escape_string($value)."' WHERE variable='$key'";
//$result = Database::query($sql);
if (api_get_setting($key) != $value) $keys[] = $key;
$result = api_set_setting($key,$value,null,null,$_configuration['access_url']);
}
else
{
$sql = "SELECT subkey FROM $table_settings_current WHERE variable = '$key'";
$res = Database::query($sql);
$subkeys = array();
while ($row_subkeys = Database::fetch_array($res)) {
// if subkey is changed
if ( (isset($value[$row_subkeys['subkey']]) & & api_get_setting($key,$row_subkeys['subkey']) == 'false') ||
(!isset($value[$row_subkeys['subkey']]) & & api_get_setting($key,$row_subkeys['subkey']) == 'true')) {
$keys[] = $key;
break;
}
}
foreach ($value as $subkey => $subvalue)
{
//$sql = "UPDATE $table_settings_current SET selected_value='true' WHERE variable='$key' AND subkey = '$subkey'";
//$result = Database::query($sql);
$result = api_set_setting($key,'true',$subkey,null,$_configuration['access_url']);
}
}
}
// add event configuration settings category to system log
$time = time();
$user_id = api_get_user_id();
$category = $_GET['category'];
event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_CATEGORY, $category, $time, $user_id);
// add event configuration settings variable to system log
if (is_array($keys) & & count($keys) > 0) {
foreach($keys as $variable) {
event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_VARIABLE, $variable, $time, $user_id);
}
}
header('Location: settings.php?action=stored&category='.Security::remove_XSS($_GET['category']));
exit;
}
}
// including the header (banner)
Display :: display_header($tool_name);
//api_display_tool_title($tool_name);
// displaying the message that the settings have been stored
if (!empty($_GET['action']) & & $_GET['action'] == "stored")
{
Display :: display_confirmation_message(get_lang('SettingsStored'));
}
// the action images
$action_images['platform'] = 'logo.gif';
$action_images['course'] = 'course.gif';
$action_images['tools'] = 'reference.gif';
$action_images['user'] = 'students.gif';
$action_images['gradebook'] = 'gradebook_eval_not_empty.gif';
$action_images['ldap'] = 'loginmanager.gif';
$action_images['security'] = 'passwordprotected.gif';
$action_images['languages'] = 'forum.gif';
$action_images['tuning'] = 'tuning.gif';
$action_images['plugins'] = 'plugin.gif';
$action_images['stylesheets'] = 'theme.gif';
$action_images['templates'] = 'template.gif';
$action_images['search'] = 'search.gif';
$action_images['editor'] = 'html.png';
// grabbing the categories
//$selectcategories = "SELECT DISTINCT category FROM ".$table_settings_current." WHERE category NOT IN ('stylesheets','Plugins')";
//$resultcategories = Database::query($selectcategories);
$resultcategories = api_get_settings_categories(array('stylesheets','Plugins', 'Templates', 'Search'));
echo "\n< div class = \"actions\" > ";
//while ($row = Database::fetch_array($resultcategories))
foreach($resultcategories as $row)
{
echo "\n\t< a href = \"".api_get_self()."?category=".$row['category']."\" > ".Display::return_icon($action_images[strtolower($row['category'])], api_ucfirst(get_lang($row['category']))).api_ucfirst(get_lang($row['category']))."< / a > ";
}
echo "\n\t< a href = \"".api_get_self()."?category=Plugins\" > ".Display::return_icon($action_images['plugins'], api_ucfirst(get_lang('Plugins'))).api_ucfirst(get_lang('Plugins'))."< / a > ";
echo "\n\t< a href = \"".api_get_self()."?category=stylesheets\" > ".Display::return_icon($action_images['stylesheets'], api_ucfirst(get_lang('Stylesheets'))).api_ucfirst(get_lang('Stylesheets'))."< / a > ";
echo "\n\t< a href = \"".api_get_self()."?category=Templates\" > ".Display::return_icon($action_images['templates'], api_ucfirst(get_lang('Templates'))).api_ucfirst(get_lang('Templates'))."< / a > ";
echo "\n\t< a href = \"".api_get_self()."?category=Search\" > ".Display::return_icon($action_images['search'], api_ucfirst(get_lang('Search'))).api_ucfirst(get_lang('Search'))."< / a > ";
echo "\n< / div > ";
if (!empty($_GET['category']))
{
switch ($_GET['category'])
{
// displaying the extensions: plugins
// this will be available to all the sites (access_urls)
case 'Plugins' :
handle_plugins();
break;
// displaying the extensions: Stylesheets
case 'stylesheets' :
handle_stylesheets();
break;
case 'Search' :
handle_search();
break;
case 'Templates' :
handle_templates();
break;
default :
$form->display();
}
}
/*
==============================================================================
FOOTER
==============================================================================
*/
Display :: display_footer();
/*
==============================================================================
FUNCTIONS
==============================================================================
*/
/**
* The function that retrieves all the possible settings for a certain config setting
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
*/
function get_settings_options($var)
{
$table_settings_options = Database :: get_main_table(TABLE_MAIN_SETTINGS_OPTIONS);
$sql = "SELECT * FROM $table_settings_options WHERE variable='$var'";
$result = Database::query($sql);
while ($row = Database::fetch_array($result))
{
$temp_array = array ('value' => $row['value'], 'display_text' => $row['display_text']);
$settings_options_array[] = $temp_array;
}
return $settings_options_array;
}
/**
* 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 < patrick.cool @ UGent . be > , 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 system log
$time = time();
$user_id = api_get_user_id();
$category = $_GET['category'];
event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_CATEGORY, $category, $time, $user_id);
Display :: display_confirmation_message(get_lang('SettingsStored'));
}
//echo get_lang('AvailablePlugins')."< br / >
echo '< br / > ';
/* 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 < > '.' AND $file < > '..' AND is_dir(api_get_path(SYS_PLUGIN_PATH).$file))
{
$possibleplugins[] = $file;
}
}
@closedir($handle);
/* for each of the possible plugin dirs we check if a file plugin.php (that contains all the needed information about this plugin)
can be found in the dir.
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
$plugin_info['author']='Patrick Cool'; // The author of the plugin
*/
echo '< form name = "plugins" method = "post" action = "'.api_get_self().'?category='.$_GET['category'].'" > ';
echo "< table class = \"data_table\" > \n";
echo "\t< tr > \n";
echo "\t\t< th > \n";
echo get_lang('Plugin');
echo "\t\t< / th > \n";
echo "\t\t< th > \n";
echo get_lang('LoginPageMainArea');
echo "\t\t< / th > \n";
echo "\t\t< th > \n";
echo get_lang('LoginPageMenu');
echo "\t\t< / th > \n";
echo "\t\t< th > \n";
echo get_lang('CampusHomepageMainArea');
echo "\t\t< / th > \n";
echo "\t\t< th > \n";
echo get_lang('CampusHomepageMenu');
echo "\t\t< / th > \n";
echo "\t\t< th > \n";
echo get_lang('MyCoursesMainArea');
echo "\t\t< / th > \n";
echo "\t\t< th > \n";
echo get_lang('MyCoursesMenu');
echo "\t\t< / th > \n";
echo "\t\t< th > \n";
echo get_lang('Header');
echo "\t\t< / th > \n";
echo "\t\t< th > \n";
echo get_lang('Footer');
echo "\t\t< / th > \n";
echo "\t< / tr > \n";
/* 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 "\t< tr > \n";
echo "\t\t< td > \n";
foreach ($plugin_info as $key => $value)
{
if ($key < > 'location')
{
if ($key == 'title')
{
$value = '< strong > '.$value.'< / strong > ';
}
echo get_lang(ucwords($key)).': '.$value.'< br / > ';
}
}
if (file_exists(api_get_path(SYS_PLUGIN_PATH).$testplugin.'/readme.txt'))
{
echo "< a href = '".api_get_path(WEB_PLUGIN_PATH).$testplugin."/readme.txt' > readme.txt< / a > ";
}
echo "\t\t< / td > \n";
// 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, $usedplugins);
echo "\t< / tr > \n";
}
}
echo '< / table > ';
echo '< button class = "save" type = "submit" name = "submit_plugins" > '.get_lang('EnablePlugins').'< / button > < / form > ';
}
function display_plugin_cell($location, $plugin_info, $current_plugin, $active_plugins)
{
echo "\t\t< td align = \"center\" > \n";
if (in_array($location, $plugin_info['location']))
{
if (isset($active_plugins[$location]) & & is_array($active_plugins[$location])
& & in_array($current_plugin, $active_plugins[$location]))
{
$checked = "checked";
}
else
{
$checked = '';
}
echo '< input type = "checkbox" name = "'.$current_plugin.'-'.$location.'" value = "true" ' . $ checked . ' / > ';
}
echo "\t\t< / td > \n";
}
/**
* This function allows the platform admin to choose the default stylesheet
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
*/
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 '< div class = "actions" id = "stylesheetuploadlink" > ';
Display::display_icon('theme_add.gif');
echo '< a href = "" onclick = "document.getElementById(\'newstylesheetform\').style.display = \'block\'; document.getElementById(\'stylesheetuploadlink\').style.display = \'none\';return false; " > '.get_lang('UploadNewStylesheet').'< / a > ';
echo '< / div > ';
}
} else {
$is_style_changeable=true;
echo '< div class = "actions" id = "stylesheetuploadlink" > ';
Display::display_icon('theme_add.gif');
echo '< a href = "" onclick = "document.getElementById(\'newstylesheetform\').style.display = \'block\'; document.getElementById(\'stylesheetuploadlink\').style.display = \'none\';return false; " > '.get_lang('UploadNewStylesheet').'< / a > ';
echo '< / div > ';
}
$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');
$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() AND 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 system log
$time = time();
$user_id = api_get_user_id();
$category = $_GET['category'];
event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_CATEGORY, $category, $time, $user_id);
Display::display_confirmation_message(get_lang('StylesheetAdded'));
} else {
if (!is_writable(api_get_path(SYS_CODE_PATH).'css/'))
{
Display::display_error_message(api_get_path(SYS_CODE_PATH).'css/'.get_lang('IsNotWritable'));
}
else
{
if ($_GET['showuploadform'] == 'true')
{
echo '< div id = "newstylesheetform" > ';
}
else
{
echo '< div id = "newstylesheetform" style = "display: none;" > ';
}
// uploading a new stylesheet
if ($_configuration['access_url']==1)
{
$form->display();
}
else
{
if ($is_style_changeable)
{
$form->display();
}
}
echo '< / div > ';
}
}
// Preview of the stylesheet
echo '< div > < iframe src = "style_preview.php" width = "100%" height = "300" name = "preview" > < / iframe > < / div > ';
echo '< form name = "stylesheets" method = "post" action = "'.api_get_self().'?category='.Security::remove_XSS($_GET['category']).'" > ';
if ($handle = @opendir(api_get_path(SYS_PATH).'main/css/')) {
$counter=1;
while (false !== ($style_dir = readdir($handle)))
{
if(substr($style_dir,0,1)=='.') //skip dirs starting with a '.'
{
continue;
}
$dirpath = api_get_path(SYS_PATH).'main/css/'.$style_dir;
if (is_dir($dirpath))
{
if ($style_dir != '.' & & $style_dir != '..')
{
if ($currentstyle == $style_dir OR ($style_dir == 'dokeos_classic' AND !$currentstyle))
{
$selected = 'checked="checked"';
}
else
{
$selected = '';
}
$show_name=get_lang(str_replace(' ','', ucwords(str_replace('_',' ', $style_dir))), '');
if ($is_style_changeable)
{
echo "< input type = \"radio\" name = \"style\" value = \"".$style_dir."\" " . $ selected . " onClick = \"parent.preview.location='style_preview.php?style=".$style_dir."';\"/ > ";
echo '< a href = "style_preview.php?style='.$style_dir.'" target = "preview" > '.$show_name.'< / a > ';
}
else
echo '< a href = "style_preview.php?style='.$style_dir.'" target = "preview" > '.$show_name.'< / a > ';
//echo '< div id = "Layer'.$counter.'" style = "position:relative; width:687px; z-index:2; visibility: hidden;" > ';
//echo '< a href = "#" onClick = "MM_showHideLayers(\'Layer'.$counter.'\',\'\',\'hide\')" > '.get_lang('Close').'< / a > ';
//echo '< iframe src = "style_preview.php?style='.$file.'" width = "100%" style = "float:right;" > < / iframe > < / div > ';
echo "< br / > \n";
$counter++;
}
}
}
@closedir($handle);
}
if ($is_style_changeable)
{
echo '< button class = "save" type = "submit" name = "submit_stylesheets" > '.get_lang('SaveSettings').' < / button > < / form > ';
}
}
/**
* creates the folder (if needed) and uploads the stylesheet in it
*
* @param array $values the values of the form
* @param array $picture the values of the uploaded file
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University, Belgium
* @version May 2008
* @since Dokeos 1.8.5
*/
function upload_stylesheet($values,$picture)
{
// valid name for the stylesheet folder
$style_name = api_ereg_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/'.$style_name.'/', api_get_permissions_for_new_directories());
}
// move the file in the folder
move_uploaded_file($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 < patrick.cool @ UGent . be > , Ghent University
*/
function store_plugins()
{
$table_settings_current = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
global $_configuration;
// Step 1 : we remove all the plugins
//$sql = "DELETE FROM $table_settings_current WHERE category='Plugins'";
//Database::query($sql);
$r = api_delete_category_settings('Plugins',$_configuration['access_url']);
// 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]))
{
//$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,$_configuration['access_url'],1);
}
}
}
/**
* Check if the post information is really a valid plugin location.
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
*/
function is_valid_plugin_location($location)
{
$valid_locations=array('loginpage_main', 'loginpage_menu', 'campushomepage_main', 'campushomepage_menu', 'mycourses_main', 'mycourses_menu','header', 'footer');
if (in_array($location, $valid_locations))
{
return true;
}
else
{
return false;
}
}
/**
* This function allows the platform admin to choose which should be the default stylesheet
* @author Patrick Cool < patrick.cool @ UGent . be > , 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 < marvil07 @ gmail . com >
*/
function handle_search() {
global $SettingsStored, $_configuration;
$search_enabled = api_get_setting('search_enabled');
$settings = api_get_settings('Search');
if ($search_enabled !== 'true' || count($settings) < 1 ) {
Display::display_error_message(get_lang('SearchFeatureNotEnabledComment'));
return;
}
require_once api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php';
$form = new FormValidator('search-options', 'post', api_get_self().'?category=Search');
$renderer = & $form->defaultRenderer();
$renderer->setHeaderTemplate('< div class = "sectiontitle" > {header}< / div > '."\n");
$renderer->setElementTemplate('< div class = "sectioncomment" > {label}< / div > '."\n".'< div class = "sectionvalue" > {element}< / div > '."\n");
//search_show_unlinked_results
$form->addElement('header', null, get_lang('SearchShowUnlinkedResultsTitle'));
$form->addElement('label', null, get_lang('SearchShowUnlinkedResultsComment'));
$values = 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', get_lang('SearchShowUnlinkedResultsComment'), '< br / > ', 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'));
$specific_fields = get_specific_field_list();
$sf_values = array();
foreach ($specific_fields as $sf) {
$sf_values[$sf['code']] = $sf['name'];
}
$group = array ();
$form->addElement('select', 'search_prefilter_prefix', get_lang('SearchPrefilterPrefix'), $sf_values, '');
$default_values['search_prefilter_prefix'] = api_get_setting('search_prefilter_prefix');
//$form->addRule('search_show_unlinked_results', get_lang('ThisFieldIsRequired'), 'required');
$form->addElement('style_submit_button', 'search-options-save', get_lang('Ok'));
$form->setDefaults($default_values);
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, $value, null, null);
}
Display :: display_confirmation_message($SettingsStored);
} else {
echo '< div id = "search-options-form" > ';
$form->display();
echo '< / div > ';
}
}
/**
* wrapper for the templates
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University, Belgium
* @version August 2008
* @since Dokeos 1.8.6
*/
function handle_templates()
{
if ($_GET['action'] != 'add') {
echo "\n< div class = \"actions\" style = \"margin-left:1px\" > ";
echo '< a href = "settings.php?category=Templates&action=add" > '.Display::return_icon('template_add.gif', get_lang('AddTemplate')).get_lang('AddTemplate').'< / a > ';
echo "\n< / div > ";
}
if ($_GET['action'] == 'add' OR ( $_GET['action'] == 'edit' AND is_numeric($_GET['id']))) {
add_edit_template();
// add event to system log
$time = time();
$user_id = api_get_user_id();
$category = $_GET['category'];
event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_CATEGORY, $category, $time, $user_id);
} else {
if ($_GET['action'] == 'delete' and is_numeric($_GET['id'])) {
delete_template($_GET['id']);
// add event to system log
$time = time();
$user_id = api_get_user_id();
$category = $_GET['category'];
event_system(LOG_CONFIGURATION_SETTINGS_CHANGE, LOG_CONFIGURATION_SETTINGS_CATEGORY, $category, $time, $user_id);
}
display_templates();
}
}
/**
* Display a sortable table with all the templates that the platform administrator has defined.
*
* @author Patrick Cool < patrick.cool @ UGent . be > , 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();
}
/**
* Get the number of templates that are defined by the platform admin.
*
* @return integer
*
* @author Patrick Cool < patrick.cool @ UGent . be > , 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'];
}
/**
* Get 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 $direction the sorting direction (ASC or DESC<EFBFBD>
* @return array
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University, Belgium
* @version August 2008
* @since Dokeos 1.8.6
*/
function get_template_data($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 $id the id of the template
* @return html code for the link to edit and delete the template
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University, Belgium
* @version August 2008
* @since Dokeos 1.8.6
*/
function actions_filter($id)
{
$return .= '< a href = "settings.php?category=Templates&action=edit&id='.Security::remove_XSS($id).'" > '.Display::return_icon('edit.gif', get_lang('Edit')).'< / a > ';
$return .= '< a href = "settings.php?category=Templates&action=delete&id='.Security::remove_XSS($id).'" onclick = "javascript:if(!confirm('." ' " . get_lang ( " ConfirmYourChoice " ) . " ' " . ' ) ) return false ; " > '.Display::return_icon('delete.gif', get_lang('Delete')).'< / a > ';
return $return;
}
/**
* Display the image of the template in the sortable table
*
* @param string $image the image
* @return html code for the image
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University, Belgium
* @version August 2008
* @since Dokeos 1.8.6
*/
function image_filter($image)
{
if (!empty($image))
{
return '< img src = "'.api_get_path(WEB_PATH).'home/default_platform_document/template_thumb/'.$image.'" alt = "'.get_lang('TemplatePreview').'" / > ';
}
else
{
return '< img src = "'.api_get_path(WEB_PATH).'home/default_platform_document/template_thumb/noimage.gif" alt = "'.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 < patrick.cool @ UGent . be > , Ghent University, Belgium
* @version August 2008
* @since Dokeos 1.8.6
*/
function add_edit_template()
{
// initiate the object
$form = new FormValidator('template', 'post', 'settings.php?category=Templates&action='.$_GET['action'].'&id='.$_GET['id']);
// settting the form elements: the header
if ($_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 a 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']))
{
$form->addElement('static','template_image_preview', '', '< img src = "'.api_get_path(WEB_PATH).'home/default_platform_document/template_thumb/'.$row['image'].'" alt = "'.get_lang('TemplatePreview').'" / > ');
}
else
{
$form->addElement('static','template_image_preview', '', '< img src = "'.api_get_path(WEB_PATH).'home/default_platform_document/template_thumb/noimage.gif" alt = "'.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', '< div class = "required" > '.get_lang('ThisFieldIsRequired'), 'required');
$form->addRule('template_text', '< div class = "required" > '.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']))
{
include_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']);
// upload dir
$upload_dir = api_get_path(SYS_PATH).'home/default_platform_document/template_thumb/';
// create dir if not exists
if (!is_dir($upload_dir)) {
mkdir($upload_dir, api_get_permissions_for_new_directories());
}
// resize image to max default and upload
require_once (api_get_path(LIBRARY_PATH).'image.lib.php');
$temp = new image($_FILES['template_image']['tmp_name']);
$picture_infos=@getimagesize($_FILES['template_image']['tmp_name']);
$max_width_for_picture = 100;
if ($picture_infos[0]>$max_width_for_picture)
{
$thumbwidth = $max_width_for_picture;
if (empty($thumbwidth) or $thumbwidth==0) {
$thumbwidth=$max_width_for_picture;
}
$new_height = round(($thumbwidth/$picture_infos[0])*$picture_infos[1]);
$temp->resize($thumbwidth,$new_height,0);
}
$type=$picture_infos[2];
switch (!empty($type))
{
case 2 : $temp->send_image('JPG',$upload_dir.$new_file_name);
break;
case 3 : $temp->send_image('PNG',$upload_dir.$new_file_name);
break;
case 1 : $temp->send_image('GIF',$upload_dir.$new_file_name);
break;
}
}
}
// store the information in the database (as insert or as update)
$table_system_template = Database :: get_main_table('system_template');
if ($_GET['action'] == 'add') {
$content_template = '< head > {CSS}< style type = "text/css" > . text { font-weight : normal ; } < / style > < / head > < body > '.Database::escape_string($values['template_text']).'< / body > ';
$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 '< a href = "settings.php?category=Templates&action=add" > '.Display::return_icon('template_add.gif', get_lang('AddTemplate')).get_lang('AddTemplate').'< / a > ';
} else {
$content_template = '< head > {CSS}< style type = "text/css" > . text { font-weight : normal ; } < / style > < / head > < body > '.Database::escape_string($values['template_text']).'< / body > ';
$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 $id the id of the template that has to be deleted
*
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University, Belgium
* @version August 2008
* @since Dokeos 1.8.6
*/
function delete_template($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'));
}
?>
