Multilang: EN and ES cultures support

code/main.php

@@ -6,6 +6,10 @@ include_once "ui.php";
 include_once "console.php";
 include_once "scanner.php";
 
+include_once "multilang.php";
+MultiLang::LoadFile("ui");
+
+
 function RenderDocument($filePath){
 	$render="";
 	if($filePath!=null){
@@ -13,12 +17,12 @@ function RenderDocument($filePath){
 		$filePathFixed=htmlentities($filePath,ENT_HTML5, "UTF-8");
 		$filenameFixed=htmlentities($filename,ENT_HTML5, "UTF-8");
 		$render.='<div><a href="'.$filePathFixed.'" class="button" download="'.$filenameFixed.'">'.
-			'Download</a></div>'."\n";
+			MultiLang::GetString("Download").'</a></div>'."\n";
 		$render.='<iframe src="'.$filePathFixed.'" '.
 			'class="previewDoc" ></iframe>';
 	}else{
 		$render.='<div><button class="button" disabled="disabled">'.
-			'Download</button></div>'."\n";
+			MultiLang::GetString("Download").'</button></div>'."\n";
 		$render.='<iframe src="about:blank" '.
 			'class="previewDoc" ></iframe>';
 	}
@@ -55,19 +59,19 @@ if(RequestParm("btnScan",false)){
 
 // Render Form
 $formFields="";
-$formFields.=RenderFieldInfo("Scanner",$Scanner["ScanModel"]);
+$formFields.=RenderFieldInfo(MultiLang::GetString("Scanner"),$Scanner["ScanModel"]);
-$formFields.=RenderFieldCombo("Resolution","ddlResolution",$Resolutions,$Resolution);
+$formFields.=RenderFieldCombo(MultiLang::GetString("Resolution"),"ddlResolution",$Resolutions,$Resolution);
-$formFields.=RenderFieldCombo("Format","ddlFormat",$Formats,$Format);
+$formFields.=RenderFieldCombo(MultiLang::GetString("Format"),"ddlFormat",$Formats,$Format);
-$formFields.=RenderFieldCombo("Size","ddlSize",$Sizes,$Size);
+$formFields.=RenderFieldCombo(MultiLang::GetString("Size"),"ddlSize",$Sizes,$Size);
 //$formFields.=RenderFieldCheckText("Cropping","chkCrop",$Crop,"txtCropFuzz",$CropFuzz);
-$formFields.=RenderFieldButton("","btnScan","Scan","var elem=document.getElementById('divLoadBack');elem.style.display='';");
+$formFields.=RenderFieldButton("","btnScan",MultiLang::GetString("Scan"),"var elem=document.getElementById('divLoadBack');elem.style.display='';");
 $formFields.=RenderHidden("hidScanDevice",$Scanner["ScanDevice"]);
 $formFields.=RenderHidden("hidScanModel",$Scanner["ScanModel"]);
 $columns="";
 $columns.=renderDiv("divColLeft",$formFields);
 $columns.=renderDiv("divColRight",RenderDocument($DestFile));
 $columns.=RenderCommandLog();
-$columns.=RenderDiv("divLoadBack",RenderDiv("divLoading","Loading","divLoading"),"divLoadBack","display:none;");
+$columns.=RenderDiv("divLoadBack",RenderDiv("divLoading",MultiLang::GetString("Loading"),"divLoading"),"divLoadBack","display:none;");
 echo RenderForm("frmMain",$columns);
 
 

code/multilang.php

@@ -0,0 +1,58 @@
+<?php
+
+######################################################
+##        Copyright (c) 2015 Valeriano Alfonso      ##
+######################################################
+
+
+################################
+# MultiLang
+#
+class MultiLang {
+	public static $defaultLang="en";
+
+	private static $literals=array();
+	public static function GetString($string){
+		if(!isset(self::$literals[$string])) { return $string; }
+		return self::$literals[$string];
+	}
+
+	private static function LoadFileLang($file,$lang){
+		$fullFilename="literals/".$file.".".$lang.".json";
+		if(file_exists($fullFilename)){
+			$fileContents=@file_get_contents($fullFilename);
+			$newLiterals=json_decode($fileContents,true);
+			if(is_array($newLiterals)){
+				self::$literals=array_merge(self::$literals,$newLiterals);
+				return true;
+			}
+		}
+		return false;
+	}
+
+	public static function LoadFile($file="text"){
+		$lang=self::GetUserLang();
+		if(!self::LoadFileLang($file,$lang)){
+			self::LoadFileLang($file,self::$defaultLang);
+		}
+	}
+
+	private static $lang=null;
+
+	public static function GetUserLang(){
+		if(self::$lang!=null){ return self::$lang; }
+		$lang = isset($_COOKIE['lang']) ? $_COOKIE['lang'] : "";
+		if ($lang == "") {
+			if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])){
+				$lang = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
+			} else {
+				$lang = self::$defaultLang;
+			}
+		}
+		$lang = substr($lang, 0, 2);
+		self::$lang = $lang;
+		return $lang;
+	}
+
+}
+################################

literals/ui.en.json

@@ -0,0 +1,10 @@
+{
+	"Download": "Download",
+	"Scanner": "Scanner",
+	"Resolution": "Resolution",
+	"Format": "Format",
+	"Size": "Size",
+	"Scan": "Scan",
+	"Loading": "Loading",
+	"": ""
+}

literals/ui.es.json

@@ -0,0 +1,10 @@
+{
+	"Download": "Descargar",
+	"Scanner": "Escaner",
+	"Resolution": "Resolucion",
+	"Format": "Formato",
+	"Size": "Tamaño",
+	"Scan": "Escanear",
+	"Loading": "Cargando",
+	"": ""
+}