API CHANGE Replaced CMSMain->LangSelector() with CMSMain->LangForm() to provide more accessible backend and properly wrap existing <select> tag in a form

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@92728 467b73ca-7a2a-4603-9d3b-597d59a354a9

code/CMSMain.php

@@ -1353,23 +1353,51 @@ JS;
 	}
 	
 	/**
-     * Returns all languages with languages already used appearing first.
-     * Called by the SSViewer when rendering the template.
-     */
-    function LangSelector() {
-		$member = Member::currentUser(); 
-		$dropdown = new LanguageDropdownField(
-			'LangSelector', 
-			'Language', 
-			array(),
-			'SiteTree', 
-			'Locale-English',
-			singleton('SiteTree')
+	 * Returns a form with all languages with languages already used appearing first.
+	 * 
+	 * @return Form
+	 */
+	function LangForm() {
+		$member = Member::currentUser(); //check to see if the current user can switch langs or not
+		if(Permission::checkMember($member, 'VIEW_LANGS')) {
+			$field = new LanguageDropdownField(
+				'Locale', 
+				// TODO i18n
+				'Language', 
+				array(), 
+				'SiteTree', 
+				'Locale-English',
+				singleton('SiteTree')
+			);
+			$field->setValue(Translatable::get_current_locale());
+        } else {
+			// user doesn't have permission to switch langs 
+			// so just show a string displaying current language
+			$field = new LiteralField(
+				'Locale', 
+				i18n::get_locale_name( Translatable::get_current_locale())
+			);
+		}
+		
+		$form = new Form(
+			$this,
+			'LangForm',
+			new FieldSet(
+				$field
+			),
+			new FieldSet(
+				new FormAction('selectlang', _t('CMSMain_left.ss.GO','Go'))
+			)
 		);
-		$dropdown->setValue(Translatable::get_current_locale());
-		return $dropdown;
-    }
-
+		$form->unsetValidator();
+		
+		return $form;
+	}
+	
+	function selectlang($data, $form) {
+		return $this;
+	}
+	
 	/**
 	 * Determine if there are more than one languages in our site tree.
 	 * 

code/LeftAndMain.php

@@ -290,9 +290,6 @@ class LeftAndMain extends Controller {
 				'cms/javascript/CMSMain_left.js',
 				'cms/javascript/CMSMain_right.js',
 				'cms/javascript/SideTabs.js',
-				'cms/javascript/SideReports.js',
-				'cms/javascript/LangSelector.js',
-				'cms/javascript/TranslationTab.js',
 			)
 		);
 

css/cms_left.css

@@ -490,3 +490,10 @@ form#SideReportForm label.left {
 	border-top: 1px solid #CCCCCC;
 	padding: 3px 0 3px 7px;
 }
+	#LangSelector_holder .Actions {
+		display: none;
+	}
+	#LangSelector_holder label.left {
+		margin-left: 0;
+		width: auto;
+	}

javascript/CMSMain.Translatable.js

@@ -4,7 +4,7 @@
 	 * @class Dropdown with languages above CMS tree, causing a redirect upon translation
 	 * @name ss.CMSMain.LangSelector
 	 */
-	$('.CMSMain #LangSelector').concrete('ss', function($){
+	$('.CMSMain #Form_LangForm').concrete('ss', function($){
 		return/** @lends ss.CMSMain.LangSelector */{
 			onmatch: function() {
 				var self = this;
@@ -16,7 +16,7 @@
 				});
 				
 				// whenever a new value is selected, reload the whole CMS in the new locale
-				this.bind('change', function(e) {
+				this.find(':input[name=Locale]').bind('change', function(e) {
 					document.location = 'admin/?locale=' + $(e.target).val();
 					return false;
 				});

templates/Includes/CMSMain_TreeTools.ss

@@ -42,6 +42,6 @@
 
 			<% if IsTranslatableEnabled %>
 			<div id="LangSelector_holder">
-				Language: $LangSelector
+				$LangForm
 			</div>
 			<% end_if %>