Multi-language implementation and other issues

application/config.php

@@ -13,19 +13,10 @@
 define("SITE_DIRECTORY","/moj", true);
 define("DEBUG", true, true);
 define("DEFAULT_TEMPLATE","_default", true);
+define("TRANSLATION",true,true); // Turn on multi-language site
+define("LANGUAGES","br",true); // addicional site languages
 define("CRIPTO_KEY","choose-a-key", true);
 
-
-// Configures index method on URLs (passing parameters)
-// When it is "false" this url: /<controller>/index/<param>/
-// will be the same as this url: /<controller>/<param>/ if <param> is not a method name
-//
-// Important: If it is set to "false" pay attention to not duplicate URL because of SEO reasons
-// You can create a 301 redirect on .htaccess or inside controller->index() method
-// You can also use a canonical tag on your head code, just like this: <link rel=”canonical” href=”<your-url>” />
-define("INDEX_METHOD", false, true);
-
-
 // Constants to connect Database
 // Fill-in with your own database configuration.
 define("DB_TYPE","mysql", true);
@@ -37,4 +28,32 @@
 define("DB_COLLATE","", true);
 
 
+// Configures index method as the default method if the called method doesn't exist (passing parameters)
+// When it is "true" this url: /<controller>/index/<param>/
+// will be the same as this url: /<controller>/<param>/ if <param> is not a method name
+//
+// Important: If it is set to "true" pay attention to not duplicate URL because of SEO reasons
+// You can create a 301 redirect on .htaccess or inside controller class; method index;
+// You can also use a canonical tag on your head code, just like this: <link rel=”canonical” href=”<your-url>” />
+define("AUTO_INDEX_METHOD", true, true);
+
+
+// Configures _default controller as the default controller if the called controller doesn't exist (passing methods and params)
+// When it is "true" this url: /<method>/<param>/
+// will be the same as this url: /_default/<method>/<param>/ if <method> is not a controller name
+//
+// Important: If it is set to "true" pay attention to not duplicate URL because of SEO reasons
+// You can create a 301 redirect on .htaccess or inside controller class; method index;
+// You can also use a canonical tag on your head code, just like this: <link rel=”canonical” href=”<your-url>” />
+define("AUTO_DEFAULT_CONTROLLER", false, true);
+
+// ***********
+// !! WARNING: using AUTO_INDEX_METHOD=true and AUTO_DEFAULT_CONTROLLER=true together will cause never happens a 404 page.
+// Every request to an unknown page will call index method of _default controller (homepage) with url variables as parameters
+// ***********
+
+
+
+
+
 

application/controllers/_default.php

@@ -6,7 +6,12 @@ class _default extends Controller {
 
 	public function index() { // home - index.php
 
-		$this->renderView(); // renders views/_default/index.php using the default template defined on config.php
+		// Inserts specific Javascript and CSS files to this method
+		array_push($this->variables["jsFiles"], "widget.js");
+		array_push($this->variables["cssFiles"], "widget.css");
+
+		// renders views/_default/index.php using the default template defined on config.php
+		$this->renderView(); 
 	}
 
 	public function page404() {

application/controllers/user.php

@@ -2,8 +2,10 @@
 
 class User extends LAM\moj\Controller {
 
+	public $disableTranslation = true; 	// disables translation process to this controller
 
-	public function index() {
+	public function index($params) {
+		print_r($params);
 
 		// Commom controller's function to establish a database connection
 		$this->dbConnect(); 

application/elements/footer.php

@@ -4,15 +4,26 @@
         <script src="<?=SITE_DIRECTORY?>/static/js/main.js"></script>
 
        	<?
+       		// Inserts common javascript file to all methods of a controller
+			// For homepage => Controller: _default; Javascript File: /static/js/_default/commom.js
+			// For other js => Javascript File: /static/js/<controller>/commom.js
+			$javascriptFile = SITE_DIRECTORY."/static/js/".$controller."/commom.js";
+			if (is_file($_SERVER["DOCUMENT_ROOT"].$javascriptFile)) echo '<script src="'.$javascriptFile.'"></script>';
+
+
 			// Inserts javascript file with Method name inside Controller folder (inside /js/ folder)
 			// For homepage => Controller: _default; Method: index; Javascript File: /static/js/_default/index.js
 			// For other js => Javascript File: /static/js/<controller>/<method>.js
-
 			$javascriptFile = SITE_DIRECTORY."/static/js/".$controller."/".$method.".js";
-			if (is_file($_SERVER["SITE_HTMLROOT"].$javascriptFile)) echo '<script src="'.$javascriptFile.'"></script>';
-
-		?> 
+			if (is_file($_SERVER["DOCUMENT_ROOT"].$javascriptFile)) echo '<script src="'.$javascriptFile.'"></script>';
 
+
+			// Inserts specific javascript files defined by $this->variables["jsFiles"] array
+			for ($i = 0; $i < count($jsFiles); $i++) {  
+				$javascriptFile = SITE_DIRECTORY."/static/js/".$jsFiles[0];
+				if (is_file($_SERVER["DOCUMENT_ROOT"].$javascriptFile)) echo '<script src="'.$javascriptFile.'"></script>';
+			} 
+		?>
 
 		<? include "elements/google-analytics.php" ?>
     </body>

application/elements/header.php

@@ -14,13 +14,27 @@
         <link rel="stylesheet" href="<?=SITE_DIRECTORY?>/static/css/normalize.min.css">
         <link rel="stylesheet" href="<?=SITE_DIRECTORY?>/static/css/main.css">
         <?
+			// Inserts commom css file to all methods of a controller (inside /css/ folder)
+			// For homepage => Controller: _default; CSS File: /static/css/_default/commom.js
+			// For other css => CSS File: /static/css/<controller>/commom.js
+
+			$cssFile = SITE_DIRECTORY."/static/css/".$controller."/commom.css";
+			if (is_file($_SERVER["DOCUMENT_ROOT"].$cssFile)) echo '<link rel="stylesheet" href="'.$cssFile.'">';
+
+
 			// Inserts css file with Method name inside Controller folder (inside /css/ folder)
 			// For homepage => Controller: _default; Method: index; CSS File: /static/css/_default/index.js
 			// For other css => CSS File: /static/css/<controller>/<method>.js
 
 			$cssFile = SITE_DIRECTORY."/static/css/".$controller."/".$method.".css";
-			if (is_file($_SERVER["SITE_HTMLROOT"].$cssFile)) echo '<link rel="stylesheet" href="'.$cssFile.'">';
+			if (is_file($_SERVER["DOCUMENT_ROOT"].$cssFile)) echo '<link rel="stylesheet" href="'.$cssFile.'">';
+
 
+			// Inserts specific css files defined by $this->variables["cssFiles"] array
+			for ($i = 0; $i < count($cssFiles); $i++) {  
+				$cssFile = SITE_DIRECTORY."/static/css/".$cssFiles[0];
+				if (is_file($_SERVER["DOCUMENT_ROOT"].$cssFile)) echo '<link rel="stylesheet" href="'.$cssFile.'">';
+			} 			
 		?>  
 
         <!--script src="<?=SITE_DIRECTORY?>/static/js/vendor/modernizr-2.6.2.min.js"></script-->

application/functions.php

@@ -78,4 +78,20 @@ function moj_pagination($foundRows,$pagina = 0,$itensPorPagina = 20, $classe="pa
 	$html.= '</ul>';
 
 	return $html;
+}
+
+
+// functions to translate strings 
+// echo found translate
+function __($stringIndex, $substitutions = "") {
+	global $translation;
+
+	echo $translation[$stringIndex];
+}
+
+// return found translate
+function _t($stringIndex, $substitutions = "") {
+	global $translation;
+
+	return $translation[$stringIndex];
 }

application/translation/br/commom.php

@@ -0,0 +1,4 @@
+<?
+// BRAZILIAN PORTUGUESE TRANSLATE FILE
+
+$translation["home_content"] = "Conteúdo da Home";

application/translation/default_language/commom.php

@@ -0,0 +1,4 @@
+<?
+// DEFAULT LANGUAGE - ENGLISH TRANSLATE FILE
+
+$translation["home_content"] = "Home content";

application/views/_default/index.php

@@ -1 +1 @@
-<br> conteúdo home <br>
+<p> <?=_t("home_content");?> </p>

core/application.php

@@ -5,26 +5,39 @@
 class Application {
 
 	private $request;
+	private $language = "";
 	private $max_params = 3;
 
     public function __construct() {
     	$this->processURL();
 
+		if ((stripos(LANGUAGES,$this->request[0]) !== false) && (TRANSLATION)) $this->language = array_shift($this->request);
+
 		if ($this->request[0]) { // loads controller
 
 			$controller = $this->request[0];
 
+			if (!class_exists($controller) && (AUTO_DEFAULT_CONTROLLER)) { $controller = "LAM\Moj\_default"; } 
+
 			if (class_exists($controller)) {
 				$controller = new $controller(); // creates an instance of this controller 
 
-				$this->request[1] = !$this->request[1]?"index":$this->request[1]; // index is the default method
-				$method = $this->request[1];
+				//$this->request[1] = !$this->request[1]?"index":$this->request[1]; // index is the default method
+				//$method = $this->request[1];
+				$method = (get_class($controller)=="LAM\Moj\_default")?$this->request[0]:((!$this->request[1])?"index":$this->request[1]);
 				$method = str_replace("-","_",$method); // replaces hifen on url by underline
-				$method = ( (!method_exists($controller, $method)) && (!INDEX_METHOD) ) ? "index" : $method;
+				$method = ( (!method_exists($controller, $method)) && (AUTO_INDEX_METHOD) ) ? "index" : $method;
 
 	            if (method_exists($controller, $method)) {
 	            	$firstParam = ($method == "index") && ($this->request[1] != "index") ? 1 : 2;
 					for ($i = $firstParam; ($i < count($this->request)) && (($i - $firstParam) < $this->max_params); $i++) $params[$i - $firstParam] = $this->request[$i]; // concatenates params inside an Array
+
+	            	if ((TRANSLATION) && (!$controller->disableTranslation)) {
+						$classname = explode("\\",get_class($controller)); // ignore namespace
+						$classname = strtolower(end($classname)); 
+	            		$this->loadLanguage($classname, $method);
+	            	}
+
 	            	$controller->{$method}($params); // calls the method, passing params inside an array
 	            } else {
        				if (DEBUG) 
@@ -62,9 +75,38 @@ private function processURL() {
 
 	public function showDefaultPage($method) {
 		$defaultController = new _default();
+		if (TRANSLATION) $this->loadLanguage("_default",$method);
 		$defaultController->{$method}();
 	}
 
+
+
+	private function loadLanguage ($controller = "_default",$method = "index") {
+		global $translation;
+		if ($this->language == "") $this->language = "default_language";
+
+		// Insert commom translation file to all controllers
+		if (file_exists("translation/".$this->language."/commom.php"))
+			include  "translation/".$this->language."/commom.php";
+		else if (DEBUG) 
+			trigger_error("Translation file (application/translation/".$this->language."/commom.php) not found.",E_USER_WARNING);
+
+
+		// Insert translation file specific to controller (available to all methods)
+		if (file_exists("translation/".$this->language."/".$controller."/commom.php"))
+			include  "translation/".$this->language."/".$controller."/commom.php";
+		else if (DEBUG) 
+			trigger_error("Translation file (application/translation/".$this->language."/".$controller."/commom.php) not found.",E_USER_WARNING);
+
+
+		// Insert translation file specific to method
+		if (file_exists("translation/".$this->language."/".$controller."/".$method.".php"))
+			include  "translation/".$this->language."/".$controller."/".$method.".php";
+		else if (DEBUG) 
+			trigger_error("Translation file (application/translation/".$this->language."/".$controller."/".$method.".php) not found.",E_USER_WARNING);
+
+	}
+
 }
 
 

core/controller.php

@@ -9,16 +9,22 @@ class Controller {
 	public $template = null;
 	public $variables = [];
 	public $db = null;
+	public $disableTranslation = false;
 
-	function __construct() { } 
+	function __construct() { 
+		$this->variables["jsFiles"] = array();
+		$this->variables["cssFiles"] = array();
+	} 
 
 	protected function renderView($view = null) { // renders the view
 
 		foreach ($this->variables as $key => $value) { $$key = $value; } // creates variables to use in the view
 
 		// discovers which method of which controller called the function
 		$controller = get_called_class();
-		$controller = strtolower(array_pop(explode("\\",$controller))); // explode to break possible namespace; array_pop to get the last element (the controller name)
+		$controller = explode("\\",$controller); // explode to break possible namespace;
+		$controller = array_pop($controller); // array_pop to get the last element (the controller name)
+		$controller = strtolower($controller); 
 
 		$method = $view != null?$view:debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2)[1]['function'];
 		$method = str_replace("_","-",$method); // replaces underline on url by hifen

static/css/_default/commom.css

@@ -0,0 +1 @@
+/* commom css file to all methods of _default controller */

static/css/widget.css

@@ -0,0 +1 @@
+/* CSS file specific to an widget */

static/js/_default/commom.js

@@ -0,0 +1 @@
+// commom javascript file to all methods of _default controller

static/js/widget.js

@@ -0,0 +1 @@
+// javascript file specific to an widget