/**
* Returns a list of types
* @param mixed Boolean
* @param mixed Boolean
* @return array
*/
function setDirectory($dir = null, $protect = true)
{
$success = false;
// checks to confirm existence of directory
// then confirms directory is writeable
if ($dir === null) {
$dir = $this->getDirectory();
}
if ($protect) {
$helper = new DSCHelper();
$helper->checkDirectory($dir);
// then confirms existence of htaccess file
$htaccess = $dir . DS . '.htaccess';
if (!($fileexists = JFile::exists($htaccess))) {
$destination = $htaccess;
$text = "deny from all";
if (!JFile::write($destination, $text)) {
$this->setError(JText::_('STORAGE DIRECTORY IS UNPROTECTED'));
return $success;
}
}
}
$this->_directory = $dir;
return $this->_directory;
}
/**
* Protected! Use the getInstance
*/
protected function DSCHelperImage()
{
// Parent Helper Construction
parent::__construct();
$config = DSCConfig::getInstance();
// Load default Parameters
$this->product_img_height = $config->get('product_img_height');
$this->product_img_width = $config->get('product_img_width');
$this->category_img_height = $config->get('category_img_height');
$this->category_img_width = $config->get('category_img_width');
$this->manufacturer_img_width = $config->get('manufacturer_img_width');
$this->manufacturer_img_height = $config->get('manufacturer_img_height');
$this->product_img_path = DSC::getPath('products_images');
$this->category_img_path = DSC::getPath('categories_images');
$this->manufacturer_img_path = DSC::getPath('manufacturers_images');
$this->product_thumb_path = DSC::getPath('products_thumbs');
$this->category_thumb_path = DSC::getPath('categories_thumbs');
$this->manufacturer_thumb_path = DSC::getPath('manufacturers_thumbs');
}
/**
* constructor
* make it protected where necessary
*/
function __construct()
{
parent::__construct();
}
/**
* Format a number according to currency rules
*
* @param unknown_type $amount
* @param unknown_type $currency
* @return unknown_type
*/
function format($amount, $currency = '', $options = '')
{
// default to whatever is in config
$config = DSCConfig::getInstance();
$options = (array) $options;
$num_decimals = isset($options['num_decimals']) ? $options['num_decimals'] : $config->get('currency_num_decimals', '2');
$thousands = isset($options['thousands']) ? $options['thousands'] : $config->get('currency_thousands', ',');
$decimal = isset($options['decimal']) ? $options['decimal'] : $config->get('currency_decimal', '.');
$pre = isset($options['pre']) ? $options['pre'] : $config->get('currency_symbol_pre', '$');
$post = isset($options['post']) ? $options['post'] : $config->get('currency_symbol_post', '');
// Now check the session variable to see if there is a currency setting there
$session_currency = DSCHelper::getSessionVariable('currency_id', 0);
if ($session_currency) {
// Let the code below deal with currency loading
$currency = $session_currency;
}
// if currency is an object, use it's properties
if (is_object($currency)) {
$table = $currency;
$num_decimals = $table->currency_decimals;
$thousands = $table->thousands_separator;
$decimal = $table->decimal_separator;
$pre = $table->symbol_left;
$post = $table->symbol_right;
} elseif (!empty($currency) && is_numeric($currency)) {
// TODO if currency is an integer, load the object for its id
JTable::addIncludePath(JPATH_ADMINISTRATOR . DS . 'components' . DS . 'com_sample' . DS . 'tables');
$table = JTable::getInstance('Currencies', 'DSCTable');
$table->load((int) $currency);
if (!empty($table->currency_id)) {
$num_decimals = $table->currency_decimals;
$thousands = $table->thousands_separator;
$decimal = $table->decimal_separator;
$pre = $table->symbol_left;
$post = $table->symbol_right;
}
} elseif (!empty($currency)) {
// TODO if currency is a string (currency_code) load the object for its code
JTable::addIncludePath(JPATH_ADMINISTRATOR . DS . 'components' . DS . 'com_sample' . DS . 'tables');
$table = JTable::getInstance('Currencies', 'DSCTable');
$keynames = array();
$keynames['currency_code'] = (string) $currency;
$table->load($keynames);
if (!empty($table->currency_id)) {
$num_decimals = $table->currency_decimals;
$thousands = $table->thousands_separator;
$decimal = $table->decimal_separator;
$pre = $table->symbol_left;
$post = $table->symbol_right;
}
}
$return = $pre . number_format($amount, $num_decimals, $decimal, $thousands) . $post;
return $return;
}
/**
* Verifies the fields in a submitted form. Uses the table's check() method.
* Will often be overridden. Is expected to be called via Ajax
*
* @return unknown_type
*/
function validate()
{
$input = JFactory::getApplication()->input;
$response = array();
$response['msg'] = '';
$response['error'] = '';
// get elements from post
$elements = json_decode(preg_replace('/[\\n\\r]+/', '\\n', $input->getString('elements')));
// convert elements to array that can be binded
$helper = new DSCHelper();
$values = $helper->elementsToArray($elements);
// get table object
$table = $this->getModel($this->get('suffix'))->getTable();
// bind to values
$table->bind($values);
// validate it using table's ->check() method
if (!$table->check()) {
$string = '';
// if it fails check, return message
$response['error'] = '1';
foreach ($table->getErrors() as $error) {
$string .= "<li>" . $error . "</li>";
}
$response['msg'] = $helper->generateMessage($string, false);
}
echo json_encode($response);
return;
}
/**
* Protected! Use getInstance()
*/
protected function DSCHelperEmail()
{
parent::__construct();
$this->use_html = true;
}
/**
* Batch actions for saving a thumb of an image
*
* @param image string filename of the image
* @param options array array of options: width, height, thumb_path
* @return thumb full path
*/
function saveThumb($img, $options = array())
{
$thumb_path = $img->getDirectory() . DS . 'thumbs';
$img_width = 'thumb_width';
$img_height = 'thumb_height';
$img->load();
// Default width or options width?
if (!empty($options['width']) && is_numeric($options['width'])) {
$width = $options['width'];
} else {
$width = $this->{$img_width};
}
// Default height or options height?
if (!empty($options['height']) && is_numeric($options['height'])) {
$height = $options['height'];
} else {
$height = $this->{$img_height};
}
// Default thumb path or options thumb path?
if (!empty($options['thumb_path'])) {
$dest_dir = $options['thumb_path'];
} else {
$dest_dir = $thumb_path;
}
$helper = new DSCHelper();
$helper->checkDirectory($dest_dir);
if ($width >= $height) {
$img->resizeToWidth($width);
} else {
$img->resizeToHeight($height);
}
$dest_path = $dest_dir . DS . $img->getPhysicalName();
if (!$img->save($dest_path)) {
$this->setError($img->getError());
return false;
}
return $dest_path;
}
