Localize the installer

This makes it possible for the admin to choose their preferred language in the first step of the installer. That choice applies to the rest of the installation process and is set as the default system language in the config file.

config.template.php

@@ -169,7 +169,7 @@ $default_charset = '_VT_CHARSET_';
 
 // default language
 // default_language default value = en_us
-$default_language = 'en_us';
+$default_language = '_VT_DEFAULT_LANGUAGE_';
 
 // add the language pack name to every translation string in the display.
 // translation_string_prefix default value = false

languages/en_us/Install.php

@@ -17,6 +17,7 @@ $languageStrings = array(
 	'ERR_UNABLE_CREATE_DATABASE' => 'Unable to Create database',
 	'LBL_ADMIN_INFORMATION'=>'Admin User Information',
 	'LBL_ADMIN_USER_INFORMATION' => 'Admin User Information',
+	'LBL_CHOOSE_LANGUAGE' => 'Choose the default language for this installation:',
 	'LBL_CONFIRM_CONFIGURATION_SETTINGS' => 'Confirm Configuration Settings',
 	'LBL_CREATE_NEW_DB'=>'Create new database',
 	'LBL_CURRENCIES'=>'Currency',

layouts/vlayout/modules/Install/Step1.tpl

@@ -37,6 +37,17 @@
 						<h3>{vtranslate('LBL_WELCOME_TO_VTIGER6_SETUP_WIZARD', 'Install')}</h3>
 						{vtranslate('LBL_VTIGER6_SETUP_WIZARD_DESCRIPTION','Install')}
 					</div>
+					{if $LANGUAGES|@count > 1}
+					<div>
+						<label>{vtranslate('LBL_CHOOSE_LANGUAGE', 'Install')}
+							<select name="lang" id="lang">
+							{foreach key=header item=language from=$LANGUAGES}
+								<option value="{$header}" {if $header eq $CURRENT_LANGUAGE}selected{/if}>{vtranslate("$language",'Install')}</option>
+							{/foreach}
+							</select>
+						</label>
+					</div>
+					{/if}
 				</div>
 			</div>
 			<div class="row-fluid">

modules/Install/models/ConfigFileUtils.php

@@ -20,6 +20,7 @@ class Install_ConfigFileUtils_Model {
 	private $siteUrl;
 	private $cacheDir;
 	private $vtCharset = 'UTF-8';
+	private $vtDefaultLanguage = 'en_us';
 	private $currencyName;
 	private $adminEmail;
 
@@ -43,6 +44,7 @@ class Install_ConfigFileUtils_Model {
 		if (isset($configFileParameters['admin_email'])) $this->adminEmail = $configFileParameters['admin_email'];
 		if (isset($configFileParameters['currency_name'])) $this->currencyName = $configFileParameters['currency_name'];
 		if (isset($configFileParameters['vt_charset'])) $this->vtCharset = $configFileParameters['vt_charset'];
+		if (isset($configFileParameters['default_language'])) $this->vtDefaultLanguage = $configFileParameters['default_language'];
 
 		// update default port
 		if ($this->dbPort == '') $this->dbPort = self::getDbDefaultPort($this->dbType);
@@ -88,6 +90,9 @@ class Install_ConfigFileUtils_Model {
 					/* replace charset variable */
 					$buffer = str_replace( "_VT_CHARSET_", $this->vtCharset, $buffer);
 
+					/* replace default lanugage variable */
+					$buffer = str_replace( "_VT_DEFAULT_LANGUAGE_", $this->vtDefaultLanguage, $buffer);
+
 			      	/* replace master currency variable */
 		  			$buffer = str_replace( "_MASTER_CURRENCY_", $this->currencyName, $buffer);
 
@@ -254,7 +259,7 @@ ini_set('memory_limit','64M');
 
 // default language
 // default_language default value = en_us
-\$default_language = 'en_us';
+\$default_language = '{$this->vtDefaultLanguage}';
 
 // add the language pack name to every translation string in the display.
 // translation_string_prefix default value = false

modules/Install/models/InitSchema.php

@@ -770,6 +770,7 @@ class Install_InitSchema_Model {
 		//Fix for http://trac.vtiger.com/cgi-bin/trac.cgi/ticket/7974
         $userFirstName = $_SESSION['config_file_info']['firstname']; 
         $userLastName = $_SESSION['config_file_info']['lastname']; 
+        $userLanguage = $_SESSION['config_file_info']['default_language'];
         // create default admin user
     	$user = CRMEntity::getInstance('Users');
 		//Fix for http://trac.vtiger.com/cgi-bin/trac.cgi/ticket/7974
@@ -781,6 +782,7 @@ class Install_InitSchema_Model {
         $user->column_fields["is_admin"] = 'on';
         $user->column_fields["user_password"] = $adminPassword;
         $user->column_fields["time_zone"] = $userTimeZone;
+        $user->column_fields["language"] = $userLanguage;
         $user->column_fields["holidays"] = 'de,en_uk,fr,it,us,';
         $user->column_fields["workdays"] = '0,1,2,3,4,5,6,';
         $user->column_fields["weekstart"] = '1';

modules/Install/models/Utils.php

@@ -273,6 +273,33 @@ class Install_Utils_Model {
 		return $currencies;
 	}
 
+
+	/**
+	 * Returns an array with the list of languages which are available in source
+	 * Note: the DB has not been initialized at this point, so we have to look at
+	 * the contents of the `languages/` directory.
+	 * @return <Array>
+	 */
+	public static function getLanguageList() {
+		$languageFolder = 'languages/';
+		$handle = opendir($languageFolder);
+		$language_list = array();
+		while ($prefix = readdir($handle)) {
+			if (substr($prefix, 0, 1) === '.' || $prefix === 'Settings') {
+				continue;
+			}
+			if (is_dir('languages/' . $prefix) && is_file('languages/' . $prefix . '/Install.php')) {
+				$language_list[$prefix] = $prefix;
+			}
+		}
+
+		ksort($language_list);
+
+		return $language_list;
+	}
+
+
+
 	/**
 	 * Function checks if its mysql type
 	 * @param type $dbType

modules/Install/views/Index.php

@@ -41,8 +41,12 @@ class Install_Index_view extends Vtiger_View_Controller {
 		parent::preProcess($request);
 		$viewer = $this->getViewer($request);
 		$moduleName = $request->getModule();
-		$defaultLanguage = ($request->get('lang'))?$request->get('lang'):'en_us';
-		vglobal('default_language', $defaultLanguage);
+		if ($chosenLanguage = $request->get('lang')) {
+			$_SESSION['config_file_info']['default_language'] = $chosenLanguage;
+		} elseif (empty($_SESSION['config_file_info']['default_language'])) {
+			$_SESSION['config_file_info']['default_language'] = 'en_us';
+		}
+		vglobal('default_language', $_SESSION['config_file_info']['default_language']);
 
 		define('INSTALLATION_MODE', true);
 		define('INSTALLATION_MODE_DEBUG', $this->debug);
@@ -67,6 +71,8 @@ class Install_Index_view extends Vtiger_View_Controller {
 	public function Step1(Vtiger_Request $request) {
 		$viewer = $this->getViewer($request);
 		$moduleName = $request->getModule();
+		$viewer->assign('CURRENT_LANGUAGE', vglobal('default_language'));
+		$viewer->assign('LANGUAGES', Install_Utils_model::getLanguageList());
 		$viewer->view('Step1.tpl', $moduleName);
 	}