PHPCon Poland 2024

Yaf_Dispatcher::setView

(Yaf >=1.0.0)

Yaf_Dispatcher::setViewSet a custom view engine

Beschreibung

public Yaf_Dispatcher::setView(Yaf_View_Interface $view): Yaf_Dispatcher

This method provides a solution if you want use a custom view engine instead of Yaf_View_Simple

Parameter-Liste

view

A Yaf_View_Interface instance

Rückgabewerte

Beispiele

Beispiel #1 A custom View engine() example

<?php
require "/path/to/smarty/Smarty.class.php";

class
Smarty_Adapter implements Yaf_View_Interface
{
/**
* Smarty object
* @var Smarty
*/
public $_smarty;

/**
* Constructor
*
* @param string $tmplPath
* @param array $extraParams
* @return void
*/
public function __construct($tmplPath = null, $extraParams = array()) {
$this->_smarty = new Smarty;

if (
null !== $tmplPath) {
$this->setScriptPath($tmplPath);
}

foreach (
$extraParams as $key => $value) {
$this->_smarty->$key = $value;
}
}

/**
* Set the path to the templates
*
* @param string $path The directory to set as the path.
* @return void
*/
public function setScriptPath($path)
{
if (
is_readable($path)) {
$this->_smarty->template_dir = $path;
return;
}

throw new
Exception('Invalid path provided');
}

/**
* Assign a variable to the template
*
* @param string $key The variable name.
* @param mixed $val The variable value.
* @return void
*/
public function __set($key, $val)
{
$this->_smarty->assign($key, $val);
}

/**
* Allows testing with empty() and isset() to work
*
* @param string $key
* @return boolean
*/
public function __isset($key)
{
return (
null !== $this->_smarty->get_template_vars($key));
}

/**
* Allows unset() on object properties to work
*
* @param string $key
* @return void
*/
public function __unset($key)
{
$this->_smarty->clear_assign($key);
}

/**
* Assign variables to the template
*
* Allows setting a specific key to the specified value, OR passing
* an array of key => value pairs to set en masse.
*
* @see __set()
* @param string|array $spec The assignment strategy to use (key or
* array of key => value pairs)
* @param mixed $value (Optional) If assigning a named variable,
* use this as the value.
* @return void
*/
public function assign($spec, $value = null) {
if (
is_array($spec)) {
$this->_smarty->assign($spec);
return;
}

$this->_smarty->assign($spec, $value);
}

/**
* Clear all assigned variables
*
* Clears all variables assigned to Yaf_View either via
* {@link assign()} or property overloading
* ({@link __get()}/{@link __set()}).
*
* @return void
*/
public function clearVars() {
$this->_smarty->clear_all_assign();
}

/**
* Processes a template and returns the output.
*
* @param string $name The template to process.
* @return string The output.
*/
public function render($name, $value = NULL) {
return
$this->_smarty->fetch($name);
}

public function
display($name, $value = NULL) {
echo
$this->_smarty->fetch($name);
}

}
?>

Beispiel #2 Yaf_Dispatcher::setView() example

<?php
class Bootstrap extends Yaf_Bootstrap_Abstract {

/**
* there are some config for smarty in the config:
*
* smarty.left_delimiter = "{{"
* smarty.right_delimiter = "}}"
* smarty.template_dir = APPLICATION_PATH "/views/scripts/"
* smarty.compile_dir = APPLICATION_PATH "/views/templates_c/"
* smarty.cache_dir = APPLICATION_PATH "/views/templates_d/"
*
*/
public function _initConfig() {
$config = Yaf_Application::app()->getConfig();
Yaf_Registry::set("config", $config);
}

public function
_initLocalName() {
/** we put class Smarty_Adapter under the local library directory */
Yaf_Loader::getInstance()->registerLocalNamespace('Smarty');
}

public function
_initSmarty(Yaf_Dispatcher $dispatcher) {
$smarty = new Smarty_Adapter(null, Yaf_Registry::get("config")->get("smarty"));
$dispatcher->setView($smarty);
/* now the Smarty view engine become the default view engine of Yaf */
}
}
?>
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