chamilo-lms/main/social/group_edit.php

<?php
/* For licensing terms, see /license.txt */
/**
 * @package chamilo.social
 * @author Julio Montoya <gugli100@gmail.com>
 */
/**
 * Initialization
 */
// Language files that should be included
$language_file = array('userInfo');
$cidReset = true;
require_once '../inc/global.inc.php';

api_block_anonymous_users();
if (api_get_setting('allow_social_tool') !='true') {
    api_not_allowed();
}

$this_section = SECTION_SOCIAL;

$libpath = api_get_path(LIBRARY_PATH);
require_once $libpath.'fileManage.lib.php';
require_once $libpath.'fileUpload.lib.php';
require_once $libpath.'group_portal_manager.lib.php';
require_once $libpath.'mail.lib.inc.php';

$htmlHeadXtra[] = '<script>
var textarea = "";
var num_characters_permited = 255;
function textarea_maxlength(){
   num_characters = document.forms[0].description.value.length;
  if (num_characters > num_characters_permited){
      document.forms[0].description.value = textarea;
   }else{
      textarea = document.forms[0].description.value;
   }
}
</script>';

$group_id = isset($_GET['id']) ? intval($_GET['id']) : intval($_POST['id']);
$tool_name = get_lang('GroupEdit');

$interbreadcrumb[] = array('url' => 'home.php','name' => get_lang('Social'));
$interbreadcrumb[] = array('url' => 'groups.php','name' => get_lang('Groups'));

$table_group = Database::get_main_table(TABLE_MAIN_GROUP);

$sql = "SELECT * FROM $table_group WHERE id = '".$group_id."'";
$res = Database::query($sql);
if (Database::num_rows($res) != 1) {
	header('Location: groups.php?id='.$group_id);
	exit;
}

//only group admins can edit the group
if (!GroupPortalManager::is_group_admin($group_id)) {
	api_not_allowed();
}

$group_data = Database::fetch_array($res, 'ASSOC');

// Create the form
$form = new FormValidator('group_edit', 'post', '', '');
$form->addElement('hidden', 'id', $group_id);

// name
$form->addElement('text', 'name', get_lang('Name'), array('class'=>'span5', 'maxlength'=>120));
$form->applyFilter('name', 'html_filter');
$form->applyFilter('name', 'trim');
$form->addRule('name', get_lang('ThisFieldIsRequired'), 'required');

// Description
$form->addElement('textarea', 'description', get_lang('Description'), array('class'=>'span5', 'cols'=>58, 'onKeyDown' => "textarea_maxlength()", 'onKeyUp' => "textarea_maxlength()"));
$form->applyFilter('description', 'html_filter');
$form->applyFilter('description', 'trim');
$form->addRule('name', '', 'maxlength',255);

// url
$form->addElement('text', 'url', get_lang('URL'), array('class'=>'span5'));
$form->applyFilter('url', 'html_filter');
$form->applyFilter('url', 'trim');

// Picture
$form->addElement('file', 'picture', get_lang('AddPicture'));
$allowed_picture_types = array ('jpg', 'jpeg', 'png', 'gif');
$form->addRule('picture', get_lang('OnlyImagesAllowed').' ('.implode(',', $allowed_picture_types).')', 'filetype', $allowed_picture_types);
if (strlen($group_data['picture_uri']) > 0) {
	$form->addElement('checkbox', 'delete_picture', '', get_lang('DelImage'));
}

// Status
$status = array();
$status[GROUP_PERMISSION_OPEN] 		= get_lang('Open');
$status[GROUP_PERMISSION_CLOSED]	= get_lang('Closed');
$form->addElement('select', 'visibility', get_lang('GroupPermissions'), $status, array());


// Submit button
$form->addElement('style_submit_button', 'submit', get_lang('ModifyInformation'), 'class="save"');

// Set default values
$form->setDefaults($group_data);

// Validate form
if ( $form->validate()) {
	$group = $form->exportValues();
	$picture_element = $form->getElement('picture');
	$picture = $picture_element->getValue();
	$picture_uri = $group_data['picture_uri'];

	if ($group['delete_picture']) {
		$picture_uri = GroupPortalManager::delete_group_picture($group_id);
		}
	elseif (!empty($picture['name'])) {
		$picture_uri = GroupPortalManager::update_group_picture($group_id, $_FILES['picture']['name'], $_FILES['picture']['tmp_name']);
	}

	$name 			= $group['name'];
	$description	= $group['description'];
	$url 			= $group['url'];
	$status 		= intval($group['visibility']);

	GroupPortalManager::update($group_id, $name, $description, $url, $status, $picture_uri);
	$tok = Security::get_token();
	header('Location: groups.php?id='.$group_id.'&action=show_message&message='.urlencode(get_lang('GroupUpdated')).'&sec_token='.$tok);
	exit();
}

// Group picture
$image_path = GroupPortalManager::get_group_picture_path_by_id($group_id,'web');
$image_dir = $image_path['dir'];
$image = $image_path['file'];
$image_file = ($image != '' ? $image_dir.$image : api_get_path(WEB_CODE_PATH).'img/unknown_group.jpg');
$image_size = api_getimagesize($image_file);

// get the path,width and height from original picture
$big_image = $image_dir.'big_'.$image;
$big_image_size = api_getimagesize($big_image);
$big_image_width = $big_image_size['width'];
$big_image_height = $big_image_size['height'];
$url_big_image = $big_image.'?rnd='.time();

$social_left_content = SocialManager::show_social_menu('group_edit',$group_id);
$social_right_content = '<div class="span9">';
$social_right_content .= $form->return_form();
$social_right_content .= '</div>';

$tpl = new Template($tool_name);
$tpl->set_help('Groups');
$tpl->assign('social_left_content', $social_left_content);
$tpl->assign('social_right_content', $social_right_content);

$social_layout = $tpl->get_template('layout/social_layout.tpl');
$tpl->display($social_layout);