109 lines
2.5 KiB
PHP
109 lines
2.5 KiB
PHP
<?php namespace Friendica\Directory\Rendering;
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use \Closure;
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/**
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* This class with insert data in a two-step view.
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*/
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class View
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{
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#TODO: Replace this with better code.
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public static function getViewPath($name)
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{
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return dirname(__DIR__).'/templates/view/'.$name.'.php';
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}
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public static function getLayoutPath($name)
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{
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return dirname(__DIR__).'/templates/layout/'.$name.'.php';
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}
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protected $layout;
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protected $view;
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protected $helpers;
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public function getHelpers(){
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return $this->helpers;
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}
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public function addHelper($name, Closure $helper)
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{
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$this->helpers[$name] = $helper;
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}
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public function getView(){
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return $this->view;
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}
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public function setView($value){
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$this->view = $value;
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}
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public function getLayout(){
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return $this->layout;
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}
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public function setLayout($value){
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$this->layout = $value;
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}
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public function __construct($view=null, $layout="default")
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{
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$this->view = $view;
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$this->layout = $layout;
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$this->helpers = array();
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}
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public function render(array $data=array())
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{
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//First the outer view.
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$view = self::getViewPath($this->view);
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$viewContent = $this->encapsulatedRequire($view, $data);
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//Then the layout, including the view as $content.
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$data['content'] = $viewContent;
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$layout = self::getLayoutPath($this->layout);
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return $this->encapsulatedRequire($layout, $data);
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}
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public function output(array $data=array())
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{
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header("Content-type: text/html; charset=utf-8");
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echo $this->render($data);
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exit;
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}
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public function encapsulatedRequire($filename, array $data=null)
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{
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//This will provide our variables on the global scope.
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$call = function($__FILE__, $__VARS__){
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extract($__VARS__, EXTR_SKIP);
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require $__FILE__;
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};
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//Use our current data as fallback.
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if(!is_array($data)){
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$data = $this->currentData;
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}
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//This will add the helper class to $this.
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$helpers = new ViewHelpers($this, $data);
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$call = $call->bindTo($helpers, get_class($helpers));
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//Run and return the value.
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ob_start();
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$call($filename, $data);
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return ob_get_clean();
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}
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} |