/**
* Sanitize callback
*
* @param mixed $newValue
* @param mixed $oldValue
* @return mixed
*/
public function sanitize($newValue, $oldValue)
{
if (isset($this->options['sanitize']) && is_callable($this->options['sanitize'])) {
$widgetOptions = $this->getWidget()->getOptions();
$sanitizeArguments = array($newValue, $oldValue, $this->getSlug()) + $widgetOptions;
return callUserFunctionWithSafeArguments($this->options['sanitize'], $sanitizeArguments);
} else {
return $newValue;
}
}
/**
* Display Dropdown callback: displays a harvesthq.github.io/chosen/ dropdown.
* special arguments:
*
* - bool required
* - bool multiple
* - array | string value
* - array items | callable itemsCallback
* @param $args
* @return mixed|string
*/
public function displayDropdown($args)
{
$key = $args['post']->ID . '_' . $args['key'];
$html = $this->getTemplate($args, $key);
if (isset($args['name'])) {
$name = $args['name'];
} else {
// Get the current value
$name = $key;
}
$attr = '';
if (isset($args['required'])) {
$attr .= __checked_selected_helper($args['required'], true, false, 'required');
}
$singleValue = true;
if (isset($args['multiple']) && $args['multiple']) {
$attr .= ' multiple';
$arrayNotation = '[]';
if (substr($name, -strlen($arrayNotation)) !== $arrayNotation) {
$name .= $arrayNotation;
}
$singleValue = false;
}
if (isset($args['value']) && (!$singleValue || is_string($args['value']))) {
$value = $args['value'];
} elseif (isset($args['value'][0]) && $singleValue) {
$value = $args['value'][0];
} else {
// Get the current value
$value = get_post_meta($args['post']->ID, $args['key'], $singleValue);
if (!$singleValue) {
$value = array_filter($value);
}
}
$items = $args['items'];
if (isset($args['itemsCallback']) && is_callable($args['itemsCallback'])) {
$items = callUserFunctionWithSafeArguments($args['itemsCallback'], array($args));
}
if (isset($args['allow_single_deselect']) && $args['allow_single_deselect'] == true) {
$items = array(0 => array('title' => '')) + $items;
}
$options = self::convertDropdownItemsToOptions($items, $value, $singleValue);
$select = '<select name="' . $name . '" id="' . $key . '" ' . $attr . '>' . implode('', $options) . '</select>';
$chosenArguments = array_merge(array('width' => '100%'), $args);
$chosenKey = str_replace('-', '_', $key) . '_chosen';
// only call the sortable method if it was requested
$sortableCall = '';
if ($chosenArguments['sortable'] != false) {
$sortableCall = '.chosenSortable()';
}
// convert array to object recursively
$chosenArgumentsObject = json_decode(json_encode($chosenArguments), FALSE);
$chosenArgumentsJson = json_encode($chosenArgumentsObject);
$select .= '
<script>
(function ($) {
$(document).ready(function(){
$("#' . $key . '").on("chosen:ready change", function(evt, params) {
$("#' . $chosenKey . ' .search-choice").each(function(){
// compare label to option text
var label = $(this).text().trim();
var options = $("#' . $key . '").find("option").filter(function(){
return $(this).text().trim() == label;
});
if(options.length > 0){
var option = options[0];
if($(option).data("url")){
if(!$(this).hasClass("has-link-action")){
$(".search-choice-close", this).before("<a class=\\"search-choice-link\\" href=\\"" + $(option).data("url") + "\\" ></a>");
$(this).addClass("has-link-action");
}
}
if($(option).data("image")){
if(!$(this).hasClass("has-image")){
$("span", this).before("<img class=\\"search-choice-image\\" src=\\"" + $(option).data("image") + "\\" />");
$(this).addClass("has-image");
}
}
}
});
$("#' . $chosenKey . ' .search-choice-link").click(function(e){
// chosen is registered on parent, stop the propagation, but don\'t prevent the default action (i.e. browswer link)
e.stopPropagation();
});
});
$("#' . $key . '").chosen(' . $chosenArgumentsJson . ')' . $sortableCall . ';
});
}(jQuery));
</script>
';
$html = str_replace('{input}', $select, $html);
return $html;
}
