'index.php', "name" => get_lang('PlatformAdmin'));
// setting the name of the tool
$tool_name = get_lang('DokeosConfigSettings');
// Build the form
if (!empty($_GET['category']) and $_GET['category'] <> "Plugins" and $_GET['category'] <> "stylesheets")
{
$form = new FormValidator('settings', 'post', 'settings.php?category='.$_GET['category']);
$renderer = & $form->defaultRenderer();
$renderer->setHeaderTemplate('
{header}
'."\n");
$renderer->setElementTemplate('
{label}
'."\n".'
{element}
'."\n");
$my_category = mysql_real_escape_string($_GET['category']);
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',$_configuration['access_url'],1);
//echo '
';
//print_r($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 '
';
//$sqlsettings = "SELECT DISTINCT * FROM $table_settings_current WHERE category='$my_category' GROUP BY variable ORDER BY id ASC";
//$resultsettings = api_sql_query($sqlsettings, __FILE__, __LINE__);
//while ($row = mysql_fetch_array($resultsettings))
$default_values = array();
foreach($settings as $row)
{
$form->addElement('header', null, get_lang($row['title']));
$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' :
$form->addElement('text', $row['variable'], get_lang($row['comment']),$hideme);
$default_values[$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']);
$group = array ();
foreach ($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']), ' ', false);
$default_values[$row['variable']] = $row['selected_value'];
break;
case 'checkbox';
$sql = "SELECT * FROM settings_current WHERE variable='".$row['variable']."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$group = array ();
while ($rowkeys = mysql_fetch_array($result))
{
$element = & $form->createElement('checkbox', $rowkeys['subkey'], '', get_lang($rowkeys['subkeytext']));
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']), ' '."\n");
break;
case "link" :
$form->addElement('static', null, get_lang($row['comment']), get_lang('CurrentValue').' : '.$row['selected_value'],$hideme);
}
}
$form->addElement('submit', null, get_lang('Ok'));
$form->setDefaults($default_values);
if ($form->validate())
{
$values = $form->exportValues();
// 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',$_configuration['access_url']);
//$sql = "UPDATE $table_settings_current SET selected_value='false' WHERE category='$my_category' AND type='checkbox'";
//$result = api_sql_query($sql, __FILE__, __LINE__);
// Save the settings
foreach ($values as $key => $value)
{
if (!is_array($value))
{
//$sql = "UPDATE $table_settings_current SET selected_value='".mysql_real_escape_string($value)."' WHERE variable='$key'";
//$result = api_sql_query($sql, __FILE__, __LINE__);
$result = api_set_setting($key,$value,null,null,$_configuration['access_url']);
}
else
{
foreach ($value as $subkey => $subvalue)
{
//$sql = "UPDATE $table_settings_current SET selected_value='true' WHERE variable='$key' AND subkey = '$subkey'";
//$result = api_sql_query($sql, __FILE__, __LINE__);
$result = api_set_setting($key,'true',$subkey,null,$_configuration['access_url']);
}
}
}
header('Location: settings.php?action=stored&category='.$_GET['category']);
exit;
}
}
// including the header (banner)
Display :: display_header($tool_name);
//api_display_tool_title($tool_name);
// displaying the message that the settings have been stored
if (!empty($_GET['action']) && $_GET['action'] == "stored")
{
Display :: display_normal_message($SettingsStored);
}
// grabbing the categories
//$selectcategories = "SELECT DISTINCT category FROM ".$table_settings_current." WHERE category NOT IN ('stylesheets','Plugins')";
//$resultcategories = api_sql_query($selectcategories, __FILE__, __LINE__);
$resultcategories = api_get_settings_categories(array('stylesheets','Plugins'));
echo "\n
";
if (isset ($_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;
default :
$form->display();
}
}
/*
==============================================================================
FOOTER
==============================================================================
*/
Display :: display_footer();
/*
==============================================================================
FUNCTIONS
==============================================================================
*/
/**
* The function that retrieves all the possible settings for a certain config setting
* @author Patrick Cool , Ghent University
*/
function get_settings_options($var)
{
$table_settings_options = Database :: get_main_table(TABLE_MAIN_SETTINGS_OPTIONS);
$sql = "SELECT * FROM $table_settings_options WHERE variable='$var'";
$result = api_sql_query($sql, __FILE__, __LINE__);
while ($row = mysql_fetch_array($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 , Ghent University
*/
function handle_plugins()
{
global $SettingsStored;
$userplugins = array();
$table_settings_current = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
if (!empty($_POST['submit_plugins']))
{
store_plugins();
Display :: display_normal_message($SettingsStored);
}
echo get_lang('AvailablePlugins')."
";
/* 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
$plugin_info['author']='Patrick Cool'; // The author of the plugin
*/
echo '';
}
function display_plugin_cell($location, $plugin_info, $current_plugin, $active_plugins)
{
echo "\t\t
\n";
}
/**
* This function allows the platform admin to choose the default stylesheet
* @author Patrick Cool , 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 ''.get_lang('UploadNewStylesheet').'';
}
}
else
{
$is_style_changeable=true;
echo ''.get_lang('UploadNewStylesheet').'';
}
$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('submit', 'stylesheet_upload', get_lang('Ok'));
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, $picture);
Display::display_confirmation_message(get_lang('StylesheetAdded'));
}
else
{
if (!is_writable(api_get_path(SYS_CODE_PATH).'css/'))
{
Display::display_error_message(api_get_path(SYS_CODE_PATH).'css/'.get_lang('IsNotWritable'));
}
else
{
if ($_GET['showuploadform'] == 'true')
{
echo '
';
}
else
{
echo '
';
}
// uploading a new stylesheet
if ($_configuration['access_url']==1)
{
$form->display();
}
else
{
if ($is_style_changeable)
{
$form->display();
}
}
echo '
';
}
}
// Preview of the stylesheet
echo '';
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 = 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.'/'))
{
if(mkdir(api_get_path(SYS_CODE_PATH).'css/'.$style_name.'/'))
{
$perm = api_get_setting('permissions_for_new_directories');
$perm = octdec(!empty($perm)?$perm:'0770');
chmod(api_get_path(SYS_CODE_PATH).'css/'.$style_name.'/');
}
}
// 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 , 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 $table_settings_current WHERE category='Plugins'";
//api_sql_query($sql, __LINE__, __FILE__);
$r = api_delete_category_settings('Plugins',$_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','".$form_name_elements['0']."')";
//api_sql_query($sql, __LINE__, __FILE__);
api_add_setting($form_name_elements['0'],$form_name_elements['1'],$form_name_elements['0'],null,'Plugins',$form_name_elements['0'],null,null,null,$_configuration['access_url'],1);
}
}
}
/**
* Check if the post information is really a valid plugin location.
* @author Patrick Cool , Ghent University
*/
function is_valid_plugin_location($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 , 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 = "'.$style.'"
WHERE variable = "stylesheets"
AND category = "stylesheets"';
api_sql_query($sql, __LINE__, __FILE__);
*/
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;
}
?>