* Finish task #7438.

module/tree/lang/de.php

@@ -43,6 +43,7 @@ $lang->tree->confirmRoot4Doc    = "Any changes to the library will change the do
 $lang->tree->successSave        = 'Saved.';
 $lang->tree->successFixed       = 'Fixed.';
 $lang->tree->repeatName         = 'The name "%s" exists!';
+$lang->tree->shouldNotBlank     = 'Module name should not be blank!';
 
 $lang->tree->module     = 'Modul';
 $lang->tree->name       = 'Name';

module/tree/lang/en.php

@@ -43,6 +43,7 @@ $lang->tree->confirmRoot4Doc    = "Any changes to the library will change the do
 $lang->tree->successSave        = 'Saved.';
 $lang->tree->successFixed       = 'Fixed.';
 $lang->tree->repeatName         = 'The name "%s" exists!';
+$lang->tree->shouldNotBlank     = 'Module name should not be blank!';
 
 $lang->tree->module     = 'Module';
 $lang->tree->name       = 'Name';

module/tree/lang/fr.php

@@ -43,6 +43,7 @@ $lang->tree->confirmRoot4Doc    = "Any changes to the library will change the do
 $lang->tree->successSave        = 'Sauvé.';
 $lang->tree->successFixed       = 'Corrigé.';
 $lang->tree->repeatName         = 'Le nom "%s" existe déjà !';
+$lang->tree->shouldNotBlank     = 'Module name should not be blank!';
 
 $lang->tree->module     = 'Module';
 $lang->tree->name       = 'Nom';

module/tree/lang/vi.php

@@ -43,6 +43,7 @@ $lang->tree->confirmRoot4Doc    = "Mọi sự thay đổi tới thư viện này
 $lang->tree->successSave        = 'Đã lưu.';
 $lang->tree->successFixed       = 'Đã sửa';
 $lang->tree->repeatName         = 'Tên "%s" đã tồn tại!';
+$lang->tree->shouldNotBlank     = 'Module name should not be blank!';
 
 $lang->tree->module     = 'Module';
 $lang->tree->name       = 'Tên';

module/tree/lang/zh-cn.php

@@ -43,6 +43,7 @@ $lang->tree->confirmRoot4Doc    = "修改所属文档库，会同时修改该分
 $lang->tree->successSave        = '成功保存';
 $lang->tree->successFixed       = '成功修正数据！';
 $lang->tree->repeatName         = '模块名“%s”已经存在！';
+$lang->tree->shouldNotBlank     = '模块名不能为空格！';
 
 $lang->tree->module     = '模块';
 $lang->tree->name       = '模块名称';

module/tree/model.php

@@ -1337,6 +1337,11 @@ class treeModel extends model
         $childs         = $data->modules;
         $parentModuleID = $data->parentModuleID;
 
+        foreach($childs as $moduleID => $moduleName)
+        {
+            if(preg_match('/(^\s+$)/', $moduleName)) die(js::alert($this->lang->tree->shouldNotBlank));
+        }
+
         $module         = new stdClass();
         $module->root   = $rootID;
         $module->type   = $type;