SMMP/build/generic/core/i_view.php

<?php

	namespace generic\core;


	abstract class i_view{

		/* (1) Attributes
		---------------------------------------------------------*/
		/* (1) Will contain patches according to warehouse's modules */
		public $patch = [];


		/* (2) Add a patch to the core view
		*
		* @patch_name<String>				Patch name
		* @patch_inst<i_patch>				Patch instance
		*
		---------------------------------------------------------*/
		public function patch(String $patch_name, i_patch $patch_inst){
			$this->patch[$patch_name] = $patch_inst;
		}

		/* (3) Returns the auto patch code
		*
		*
		---------------------------------------------------------*/
		private function autopatch(){
			/* (1) Pre-code */
			$code = "{% extends 'main.twig' %}\n\n";

			/* (2) For each module patch */
			foreach($this->patch as $name=>$inst)

				/* (3) For each block patch */
				foreach($inst->patch as $block=>$temp)
					$code .= "{% block $block %}{% include '$temp' %}{% endblock %}\n";


			/* (4) Return code */
			return $code;
		}



		/* (4) Renders the view
		*
		---------------------------------------------------------*/
		public function render(){

			/* (1) Get path information (core class)
			---------------------------------------------------------*/
			/* (1) Get core class */
			$core_class = str_replace('\\', '/', get_class($this));

			/* (2) Extract root DIR */
			$root_path = __BUILD__.'/generic/'.dirname($core_class);

			/* (3) Extract file name */
			$model_path = basename($core_class).'.twig';


			/* (2) Get patches
			---------------------------------------------------------*/
			$auto_patch = [ 'render.twig' => $this->autopatch() ];


			/* (2) Setup
			---------------------------------------------------------*/
			/* (1) Initialize twig */
			$loader = new \Twig_Loader_Chain([
				new \Twig_Loader_Filesystem($root_path), // default directory templates
				new \Twig_Loader_Array($auto_patch)      // custom auto-patch system
			]);

			$twig   = new \Twig_Environment($loader, [
				'debug'       => true,
				'cache'       => false,
				'auto_reload' => true
			]);


			/* (3) Build the view and return it back
			---------------------------------------------------------*/
			/* (1) Render and return the view */
			return $twig->render('render.twig', [ 'core' => $this, 'patch' => $this->patch ]);

		}

	}