"; /* 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
';
Display::display_icon('theme_add.gif');
echo ''.get_lang('UploadNewStylesheet').'';
echo '
';
}
}
else
{
$is_style_changeable=true;
echo '';
Display::display_icon('theme_add.gif');
echo ''.get_lang('UploadNewStylesheet').'';
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');
$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 '';
}
else
{
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 = 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.'/'))
{
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.'/', $perm);
}
}
// move the file in the folder
move_uploaded_file($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 $table_settings_current WHERE category='Plugins'";
//Database::query($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','".$form_name_elements['0']."')";
//Database::query($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 = "'.$style.'"
WHERE variable = "stylesheets"
AND category = "stylesheets"';
Database::query($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;
}
/**
* Search options
* TODO: support for multiple site. aka $_configuration['access_url'] == 1
* @author Marco Villegas
*/
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('
', 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 ', Ghent University, Belgium
* @version August 2008
* @since Dokeos 1.8.6
*/
function handle_templates()
{
if ($_GET['action'] != 'add') {
echo "\n, 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 , 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, __FILE__, __LINE__);
$row = Database::fetch_array($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 $direction the sorting direction (ASC or DESC�
* @return array
*
* @author Patrick Cool , Ghent University, Belgium
* @version August 2008
* @since Dokeos 1.8.6
*/
function get_template_data($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, __FILE__, __LINE__);
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.gif', get_lang('Edit')).'';
$return .= ''.Display::return_icon('delete.gif', get_lang('Delete')).'';
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($image))
{
return '.'home/default_platform_document/template_thumb/'.$image.')
';
}
else
{
return '.'home/default_platform_document/template_thumb/noimage.gif)
';
}
}
/**
* 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()
{
// 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, __FILE__, __LINE__);
$row = Database::fetch_array($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']))
{
$form->addElement('static','template_image_preview', '', '.'home/default_platform_document/template_thumb/'.$row['image'].')
');
}
else
{
$form->addElement('static','template_image_preview', '', '');
}
// 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', '
{header}
'."\n");
$renderer->setElementTemplate('{label}
'."\n".'{element}
'."\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'), '', 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 '
';
$form->display();
echo '
';
}
}
/**
* wrapper for the templates
*
* @author Patrick Cool ";
echo ''.Display::return_icon('template_add.gif', get_lang('AddTemplate')).get_lang('AddTemplate').'';
echo "\n
";
}
if ($_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 ';
}
}
/**
* 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 ');
}
// 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']))
{
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)) {
$perm = api_get_setting('permissions_for_new_directories');
$perm = octdec(!empty($perm)?$perm:'0770');
$res = @mkdir($upload_dir,$perm);
}
// 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') {
$content_template = '{CSS}'.Database::escape_string($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, __FILE__, __LINE__);
// display a feedback message
Display::display_confirmation_message(get_lang('TemplateAdded'));
echo ''.Display::return_icon('template_add.gif', get_lang('AddTemplate')).get_lang('AddTemplate').'';
} 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, __FILE__, __LINE__);
// 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, __FILE__, __LINE__);
$row = Database::fetch_array($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, __FILE__, __LINE__);
// display a feedback message
Display::display_confirmation_message(get_lang('TemplateDeleted'));
}
?>