/**
* Encode data as JSON, disable layouts, and set response header
*
* If $keepLayouts is true, does not disable layouts.
* If $encodeJson is false, does not JSON-encode $data
*
* @param mixed $data
* @param bool $keepLayouts
* NOTE: if boolean, establish $keepLayouts to true|false
* if array, admit params for IfwPsn_Vendor_Zend_Json::encode as enableJsonExprFinder=>true|false
* this array can contains a 'keepLayout'=>true|false and/or 'encodeData'=>true|false
* that will not be passed to IfwPsn_Vendor_Zend_Json::encode method but will be used here
* @param bool $encodeData
* @return string|void
*/
public function json($data, $keepLayouts = false, $encodeData = true)
{
$options = array();
if (is_array($keepLayouts)) {
$options = $keepLayouts;
$keepLayouts = false;
if (array_key_exists('keepLayouts', $options)) {
$keepLayouts = $options['keepLayouts'];
unset($options['keepLayouts']);
}
if (array_key_exists('encodeData', $options)) {
$encodeData = $options['encodeData'];
unset($options['encodeData']);
}
}
if ($encodeData) {
$data = IfwPsn_Vendor_Zend_Json::encode($data, null, $options);
}
if (!$keepLayouts) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Layout.php';
$layout = IfwPsn_Vendor_Zend_Layout::getMvcInstance();
if ($layout instanceof IfwPsn_Vendor_Zend_Layout) {
$layout->disableLayout();
}
}
$response = IfwPsn_Vendor_Zend_Controller_Front::getInstance()->getResponse();
$response->setHeader('Content-Type', 'application/json', true);
return $data;
}
/**
* Converts an associative array to a string of tag attributes.
*
* @access public
*
* @param array $attribs From this array, each key-value pair is
* converted to an attribute name and value.
*
* @return string The XHTML for the attributes.
*/
protected function _htmlAttribs($attribs)
{
$xhtml = '';
foreach ((array) $attribs as $key => $val) {
$key = $this->view->escape($key);
if ('on' == substr($key, 0, 2) || 'constraints' == $key) {
// Don't escape event attributes; _do_ substitute double quotes with singles
if (!is_scalar($val)) {
// non-scalar data should be cast to JSON first
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Json.php';
$val = IfwPsn_Vendor_Zend_Json::encode($val);
}
// Escape single quotes inside event attribute values.
// This will create html, where the attribute value has
// single quotes around it, and escaped single quotes or
// non-escaped double quotes inside of it
$val = str_replace('\'', ''', $val);
} else {
if (is_array($val)) {
$val = implode(' ', $val);
}
$val = $this->view->escape($val);
}
if ('id' == $key) {
$val = $this->_normalizeId($val);
}
if (strpos($val, '"') !== false) {
$xhtml .= " {$key}='{$val}'";
} else {
$xhtml .= " {$key}=\"{$val}\"";
}
}
return $xhtml;
}
/**
* JSON post processing
*
* JSON serialize view variables to response body
*
* @return void
*/
public function postJsonContext()
{
if (!$this->getAutoJsonSerialization()) {
return;
}
$viewRenderer = IfwPsn_Vendor_Zend_Controller_Action_HelperBroker::getStaticHelper('viewRenderer');
$view = $viewRenderer->view;
if ($view instanceof IfwPsn_Vendor_Zend_View_Interface) {
/**
* @see IfwPsn_Vendor_Zend_Json
*/
if (method_exists($view, 'getVars')) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Json.php';
$vars = IfwPsn_Vendor_Zend_Json::encode($view->getVars());
$this->getResponse()->setBody($vars);
} else {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Controller/Action/Exception.php';
throw new IfwPsn_Vendor_Zend_Controller_Action_Exception('View does not implement the getVars() method needed to encode the view into JSON');
}
}
}
/**
* Process submitted AJAX data
*
* Checks if provided $data is valid, via {@link isValidPartial()}. If so,
* it returns JSON-encoded boolean true. If not, it returns JSON-encoded
* error messages (as returned by {@link getMessages()}).
*
* @param array $data
* @return string JSON-encoded boolean true or error messages
*/
public function processAjax(array $data)
{
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Json.php';
if ($this->isValidPartial($data)) {
return IfwPsn_Vendor_Zend_Json::encode(true);
}
$messages = $this->getMessages();
return IfwPsn_Vendor_Zend_Json::encode($messages);
}
/**
* Render a IfwPsn_Vendor_Zend_Config into a JSON config string.
*
* @since 1.10
* @return string
*/
public function render()
{
$data = $this->_config->toArray();
$sectionName = $this->_config->getSectionName();
$extends = $this->_config->getExtends();
if (is_string($sectionName)) {
$data = array($sectionName => $data);
}
foreach ($extends as $section => $parentSection) {
$data[$section][IfwPsn_Vendor_Zend_Config_Json::EXTENDS_NAME] = $parentSection;
}
// Ensure that each "extends" section actually exists
foreach ($data as $section => $sectionData) {
if (is_array($sectionData) && isset($sectionData[IfwPsn_Vendor_Zend_Config_Json::EXTENDS_NAME])) {
$sectionExtends = $sectionData[IfwPsn_Vendor_Zend_Config_Json::EXTENDS_NAME];
if (!isset($data[$sectionExtends])) {
// Remove "extends" declaration if section does not exist
unset($data[$section][IfwPsn_Vendor_Zend_Config_Json::EXTENDS_NAME]);
}
}
}
$out = IfwPsn_Vendor_Zend_Json::encode($data);
if ($this->prettyPrint()) {
$out = IfwPsn_Vendor_Zend_Json::prettyPrint($out);
}
return $out;
}
