adds renderChunk and setMultiple

Author: Tabea David

TemplateEngine.php

@@ -83,6 +83,18 @@ public function __set($key, $value)
         $this->set($key, $value);
     }
 
+    /**
+     * @param array $pairs
+     */
+    public function __setMultiple($pairs = array())
+    {
+      if (is_array($pairs)) {
+        foreach ($pairs as $key => $value) {
+          $this->template->set($key, $value);
+        }
+      }
+    }
+
 
     /**
      * Set a key/value pair to the template engine
@@ -93,6 +105,14 @@ public function __set($key, $value)
     abstract public function set($key, $value);
 
 
+    /**
+     * Set multiple key/value pairs to the template engine
+     *
+     * @param array $pairs
+     */
+    abstract public function setMultiple($pairs = array());
+
+
     /**
      * Render markup from template engine
      *
@@ -233,4 +253,4 @@ protected function initConfig()
             self::$loaded_config[$this->className] = array_merge($this->getDefaultConfig(), $configs);
         }
     }
-}
+}

TemplateEngineCache.php

@@ -75,13 +75,42 @@ class TemplateEngineFactory extends WireData implements Module, ConfigurableModu
         }
         $this->wire($this->get('api_var'), $engine);
         $this->addHookAfter('Page::render', $this, 'hookRender');
+        $this->addHook('Page::renderChunk', $this, 'renderChunk');
         // If the engine supports caching, attach hooks to clear the cache when saving/deleting pages
         if (in_array('TemplateEngineCache', class_implements($engine))) {
             $this->pages->addHookAfter('save', $this, 'hookClearCache');
             $this->pages->addHookAfter('delete', $this, 'hookClearCache');
         }
     }
 
+    /**
+     * Hook callback for Page::renderChunk
+     *
+     * This method as added as a hook to each \Page instance.
+     * The first argument passed must be the path to the chunk file render
+     * (relative to wire('config')->paths->templates).
+     *
+     * You may pass an arbitrary amount of additional arguments which will
+     * be passed as contextual data to the chunk data provider.
+     *
+     * @param HookEvent $event
+     * @see \nw\DataProviders\ChunkDataProvider
+     */
+    public function renderChunk(HookEvent $event) {
+        $chunkFile = $event->arguments(0);
+        $context = array_slice($event->arguments(), 1, null, false);
+        $engine = $this->getInstanceById($this->get('engine'), $chunkFile, true, true);
+
+        $tplFile = new \ProcessWire\TemplateFile($this->config->paths->templates . $chunkFile . '.' . $this->config->templateExtension);
+        if (is_array($event->arguments(1))) {
+          foreach ($event->arguments(1) as $key => $value) $tplFile->$key = $value;
+        }
+        echo $tplFile->render();
+
+        $view = $this->wire('view', $engine);
+        echo $view->render();
+    }
+
 
     /**
      * Method executed after Page::render()
@@ -187,7 +216,7 @@ class TemplateEngineFactory extends WireData implements Module, ConfigurableModu
      * @return TemplateEngine|null
      * @throws WireException
      */
-    public function getInstanceById($class, $filename = '', $as_api_var=false)
+    public function getInstanceById($class, $filename = '', $as_api_var=false, $chunk=false)
     {
         $installed = $this->getInstalledEngines();
         if (!in_array($class, array_keys($installed))) {
@@ -206,8 +235,9 @@ class TemplateEngineFactory extends WireData implements Module, ConfigurableModu
         }
         $engine->initEngine();
         if ($as_api_var) {
-            $this->wire($this->get('api_var'), $engine);
+          $this->wire($this->get('api_var'), $engine);
         }
+
         return $engine;
     }
 

TemplateEngineFactory.module

@@ -30,6 +30,14 @@ public function initEngine() {}
     public function set($key, $value) {}
 
 
+    /**
+     * Set multiple key/value pairs to the template
+     *
+     * @param array $pairs
+     */
+    public function setMultiple($pairs = array()) {}
+
+
     /**
      * Render markup from template file
      *
@@ -40,4 +48,4 @@ public function render()
         return '';
     }
 
-}
+}

TemplateEngineNull.php

@@ -1,6 +1,7 @@
 <?php
 require_once('TemplateEngine.php');
 
+
 /**
  * TemplateEngineProcesswire
  *
@@ -12,10 +13,10 @@ require_once('TemplateEngine.php');
 class TemplateEngineProcesswire extends TemplateEngine implements Module, ConfigurableModule
 {
 
-    /**
-     * @var TemplateFile
-     */
-    protected $template;
+   /**
+    * @var \TemplateFile $template
+    */
+   protected static $template;
 
 
     /**
@@ -60,6 +61,21 @@ class TemplateEngineProcesswire extends TemplateEngine implements Module, Config
     }
 
 
+    /**
+     * Set multiple key/value pairs to the template
+     *
+     * @param array $pairs
+     */
+    public function setMultiple($pairs = array())
+    {
+      if (is_array($pairs)) {
+        foreach ($pairs as $key => $value) {
+          $this->template->set($key, $value);
+        }
+      }
+    }
+
+
     /**
      * Render markup from template file
      *
@@ -109,4 +125,4 @@ class TemplateEngineProcesswire extends TemplateEngine implements Module, Config
         return $wrapper;
     }
 
-}
+}