/**
* Uploads an author image to the upload/learning_path/images directory
* @param array The image array, coming from the $_FILES superglobal
* @return boolean True on success, false on error
*/
function upload_image($image_array)
{
$image_moved = false;
if (!empty($image_array['name'])) {
$upload_ok = process_uploaded_file($image_array);
$has_attachment = true;
} else {
$image_moved = true;
}
if ($upload_ok) {
if ($has_attachment) {
$courseDir = api_get_course_path() . '/upload/learning_path/images';
$sys_course_path = api_get_path(SYS_COURSE_PATH);
$updir = $sys_course_path . $courseDir;
// Try to add an extension to the file if it hasn't one
$new_file_name = add_ext_on_mime(stripslashes($image_array['name']), $image_array['type']);
if (!filter_extension($new_file_name)) {
//Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
$image_moved = false;
} else {
$file_extension = explode('.', $image_array['name']);
$file_extension = strtolower($file_extension[sizeof($file_extension) - 1]);
$new_file_name = uniqid('') . '.' . $file_extension;
$new_path = $updir . '/' . $new_file_name;
//$result= @move_uploaded_file($image_array['tmp_name'], $new_path);
// resize the image
include_once api_get_path(LIBRARY_PATH) . 'image.lib.php';
$temp = new image($image_array['tmp_name']);
$picture_infos = @getimagesize($image_array['tmp_name']);
// $picture_infos[0]-> width
if ($picture_infos[0] > 104) {
$thumbwidth = 104;
} else {
$thumbwidth = $picture_infos[0];
}
if ($picture_infos[1] > 96) {
$new_height = 96;
} else {
$new_height = $picture_infos[1];
}
//$new_height = round(($thumbwidth/$picture_infos[0])*$picture_infos[1]);
$temp->resize($thumbwidth, $new_height, 0);
$type = $picture_infos[2];
$result = false;
switch ($type) {
case 2:
$result = $temp->send_image('JPG', $new_path);
break;
case 3:
$result = $temp->send_image('PNG', $new_path);
break;
case 1:
$result = $temp->send_image('GIF', $new_path);
break;
}
$temp->resize($thumbwidth, $new_height, 0);
$type = $picture_infos[2];
$result = false;
switch ($type) {
case 2:
$result = $temp->send_image('JPG', $new_path);
break;
case 3:
$result = $temp->send_image('PNG', $new_path);
break;
case 1:
$result = $temp->send_image('GIF', $new_path);
break;
}
// Storing the image filename
if ($result) {
$image_moved = true;
$this->set_preview_image($new_file_name);
return true;
}
}
}
}
return false;
}
/**
* 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'));
// 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']) . "'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$row = Database::fetch_array($result);
$defaults['template_id'] = $_GET['id'];
$defaults['template_text'] = $row['content'];
$defaults['title'] = $row['title'];
// adding an extra field: a hidden field with the id of the template we are editing
$form->addElement('hidden', 'template_id');
// adding an extrra field: a preview of the image that is currently used
if (!empty($row['image'])) {
$form->addElement('static', 'template_image_preview', '', '<img src="' . api_get_path(WEB_PATH) . 'home/default_platform_document/' . $row['image'] . '" alt="' . get_lang('TemplatePreview') . '"/>');
} else {
$form->addElement('static', 'template_image_preview', '', '<img src="' . api_get_path(WEB_PATH) . 'home/default_platform_document/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()) {
// 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
$upload_dir = api_get_path(SYS_PATH) . 'home/default_platform_document/';
// create dir if not exists
if (!is_dir($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') {
$sql = "INSERT INTO {$table_system_template} (title, content, image) VALUES ('" . Database::escape_string($values['title']) . "','" . Database::escape_string($values['template_text']) . "','" . Database::escape_string($new_file_name) . "')";
$result = api_sql_query($sql, __FILE__, __LINE__);
// display a feedback message
Display::display_confirmation_message('TemplateAdded');
echo '<a href="settings.php?category=Templates&action=add">' . Display::return_icon('add_template.gif', get_lang('AddTemplate')) . get_lang('AddTemplate') . '</a>';
} else {
$sql = "UPDATE {$table_system_template} set title = '" . Database::escape_string($values['title']) . "',\n\t\t\t\t\t\t\t\t\t\t\t \t\t content = '" . Database::escape_string($values['template_text']) . "'";
if (!empty($new_file_name)) {
$sql .= ", image = '" . Database::escape_string($new_file_name) . "'";
}
$sql .= " WHERE id='" . Database::escape_string($_GET['id']) . "'";
$result = api_sql_query($sql, __FILE__, __LINE__);
// display a feedback message
Display::display_confirmation_message('TemplateEdited');
}
display_templates();
} else {
// display the form
$form->display();
}
}