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Set a custom view engine


Yaf_Dispatcher::setView

(PECL yaf >=1.0.0)

Yaf_Dispatcher::setViewSet a custom view engine

Description

public Yaf_Dispatcher Yaf_Dispatcher::setView ( Yaf_View_Interface $view )

This method proviods a solution for that if you want use a custom view engine instead of Yaf_View_Simple

Warning

This function is currently not documented; only its argument list is available.

Parameters

view

A Yaf_View_Interface instance

Return Values

Examples

Example #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);
    }

}
?>

Example #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(nullYaf_Registry::get("config")->get("smarty"));
        
$dispatcher->setView($smarty);
        
/* now the Smarty view engine become the default view engine of Yaf */
    
}
}
?>


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