/**
* Expand a css-style selector according to the 'Zen Coding' specifications
* @link http://code.google.com/p/zen-coding/
* @uses PW_HTML::tag()
*
* @param string $selector a css-style selector based on the Zen Coding' specifications
* @param string|array $innerHTML the contents for the last element in the selector string,
* if this is an array and it's part of an iteration loop, the innerHTML is assigned by index
* @return string the entire HTML element
*/
public function r($selector = '', $text = null)
{
// retrieve the passed arguments
$args = func_get_args();
// if the selector is null, return the content (the last $arg) and don't call recursively
if ($selector === null) {
return end($args) ? end($args) : null;
}
// break the selector into its root element and its children
if (strpos($selector, '>') !== false) {
$root = substr($selector, 0, strpos($selector, '>'));
$children = substr($selector, strpos($selector, '>') + 1);
} else {
$root = $selector;
$children = null;
}
// set the $children selector as the first argument (in order to call recursively)
$args[0] = $children;
// if there is a root selector to search through, check it classes, id, atts, etc.
if ($root) {
// set the defaults
$atts = array();
$arg_index = null;
$HTML = '';
// a list of characters to not match (because they identify classes, ids, atts, etc.)
$i = '{#\\*\\.\\[';
// if there is an attribute specified, capture it and remove it from the slector
// (because attributes can contain the dot and hash characters, which will mess up later matches)
if (preg_match("/\\[.*\\]/", $root, $att)) {
$root = preg_replace('/\\[.*\\]/', '', $root);
// separate the $att variable into its property and value
if (preg_match('/([\\w-]+)=[\'\\"]?([^\'\\"\\]]*)[\'\\"]?/', $att[0], $att_selector)) {
$atts[$att_selector[1]] = $att_selector[2];
}
}
// get the tag name, default to 'div'
$name = preg_match("/^[^{$i}]+/", $root, $tag) ? $tag[0] : 'div';
// if there is an ID specified
if (preg_match("/#[^{$i}]+/", $root, $id)) {
$atts['id'] = substr($id[0], 1);
}
// if there is a class specified
if (preg_match("/\\.[^\\[{#\\*]+/", $root, $class)) {
$atts['class'] = str_replace('.', ' ', substr($class[0], 1));
}
// if there is an iteration number specified
if (preg_match("/\\*\\d+/", $root, $count)) {
$iterations = (int) substr($count[0], 1);
}
// if there is a passed value, get its index in the argument list
if (preg_match("/{%\\d+}/", $root, $index)) {
$arg_index = (int) preg_replace('/\\D/', '', $index[0]);
// make sure the are the appropriate number of arguments, otherwise return an error
if (count($args) - 1 <= $arg_index) {
return "Syntax Error: Incorrect number of arguments";
}
}
// if there are iterations for this element, go through each of them, otherwise just create the element
if (isset($iterations)) {
for ($i = 0; $i < $iterations; $i++) {
// flatten the arguments for this iteration
$iteration_args = self::flatten_args($args, $i);
// get the attributes for this iteration (merging with existing atts if needed)
$iteration_atts = $arg_index ? array_merge($atts, $iteration_args[$arg_index]) : $atts;
// check the attributes for the '$' character and replace accordingly
foreach ($iteration_atts as $key => $value) {
if (preg_match('/\\$+/', $value, $dollars)) {
$index_formatted = str_pad($i + 1, strlen($dollars[0]), '0', STR_PAD_LEFT);
$iteration_atts[$key] = str_replace($dollars[0], $index_formatted, $value);
}
}
// create the element for this iteration, nest it with any children elements
$HTML .= PW_HTML::tag($name, call_user_func_array(array('ZC', 'r'), $iteration_args), $iteration_atts);
}
} else {
$HTML .= PW_HTML::tag($name, call_user_func_array(array('ZC', 'r'), $args), $arg_index ? array_merge($atts, $args[$arg_index]) : $atts);
}
return $HTML;
}
}
/**
* @param string $property The model option property
* @return array An array of the property's id, name (the HTML attribute), label, desc, value, and error (if one exists)
* @since 0.1
*/
protected function get_field_data_from_model($property)
{
$errors = $this->_model->errors;
$error = isset($errors[$property]) ? $errors[$property] : null;
$data = $this->_model->data();
// get the label and description of this property
$label = isset($data[$property]['label']) ? $data[$property]['label'] : '';
$desc = isset($data[$property]['desc']) ? $data[$property]['desc'] : '';
// get the value of the model attribute by this name
// if there was a validation error, get the previously submitted value
// rather than what's stored in the database
if (isset($this->_model->input[$property])) {
$value = $this->_model->input[$property];
} else {
$value = isset($this->_model->option[$property]) ? $this->_model->option[$property] : null;
}
// add the model's option name for easy getting from the $_POST variable after submit
$name = $this->_model->name . '[' . $property . ']';
// get any options defined (for use in select, checkbox_list, and radio_button_list fields)
$options = isset($data[$property]['options']) ? $data[$property]['options'] : array();
// create the id from the name
$id = PW_HTML::get_id_from_name($name);
return array('error' => $error, 'label' => $label, 'desc' => $desc, 'value' => $value, 'name' => $name, 'id' => $id, 'options' => $options);
}
