diff --git a/module/doc/view/lefttree.html.php b/module/doc/view/lefttree.html.php
index 1af9fae752..2a8e42eb2d 100644
--- a/module/doc/view/lefttree.html.php
+++ b/module/doc/view/lefttree.html.php
@@ -92,39 +92,54 @@ js::set('canViewFiles', common::hasPriv('doc', 'showfiles'));
 <?php endif;?>
 
 <!-- Code for dropdown menu. -->
-<?php $canAddCatalog    = common::hasPriv('doc', 'addCatalog');?>
-<?php $canEditCatalog   = common::hasPriv('doc', 'editCatalog');?>
-<?php $canDeleteCatalog = common::hasPriv('doc', 'deleteCatalog');?>
-<?php $hasModulePriv    = $canAddCatalog || $canEditCatalog || $canDeleteCatalog;?>
-<?php js::set('canAddCatalog', $canAddCatalog);?>
-<?php js::set('canEditCatalog', $canEditCatalog);?>
-<?php js::set('canDeleteCatalog', $canDeleteCatalog);?>
-<?php js::set('hasModulePriv', $hasModulePriv);?>
-<?php js::set('hasLibPriv', $canAddCatalog || common::hasPriv($app->rawModule, 'editLib') || common::hasPriv($app->rawModule, 'deleteLib'));?>
+<?php
+$canAddCatalog['doc'] = common::hasPriv('doc', 'addCatalog');
+$canAddCatalog['api'] = common::hasPriv('api', 'addCatalog');
+
+$canEditCatalog['doc'] = common::hasPriv('doc', 'editCatalog');
+$canEditCatalog['api'] = common::hasPriv('api', 'editCatalog');
+
+$canDeleteCatalog['doc'] = common::hasPriv('doc', 'deleteCatalog');
+$canDeleteCatalog['api'] = common::hasPriv('api', 'deleteCatalog');
+
+$hasModulePriv['doc'] = $canAddCatalog['doc'] || $canEditCatalog['doc'] || $canDeleteCatalog['doc'];
+$hasModulePriv['api'] = $canAddCatalog['api'] || $canEditCatalog['api'] || $canDeleteCatalog['api'];
+
+$hasLibPriv['doc'] = $canAddCatalog['doc'] || common::hasPriv('doc', 'editLib') || common::hasPriv('doc', 'deleteLib');
+$hasLibPriv['api'] = $canAddCatalog['api'] || common::hasPriv('api', 'editLib') || common::hasPriv('api', 'deleteLib');
+
+js::set('canAddCatalog',    $canAddCatalog);
+js::set('canEditCatalog',   $canEditCatalog);
+js::set('canDeleteCatalog', $canDeleteCatalog);
+js::set('hasModulePriv',    $hasModulePriv);
+js::set('hasLibPriv',       $hasLibPriv);
+?>
 <div class='hidden' id='dropDownData'>
-  <ul class='libDorpdown'>
-    <?php if($canAddCatalog):?>
+  <?php foreach(array('doc', 'api') as $module):?>
+  <ul class='<?php echo $module;?>LibDorpdown'>
+    <?php if($canAddCatalog[$module]):?>
     <li data-method="addCataLib" data-has-children='%hasChildren%'  data-libid='%libID%' data-moduleid="%moduleID%" data-type="add"><a><i class="icon icon-icon-add-directory"></i><?php echo $lang->doc->libDropdown['addModule'];?></a></li>
     <?php endif;?>
-    <?php if(common::hasPriv($app->rawModule, 'editLib')):?>
+    <?php if(common::hasPriv($module, 'editLib')):?>
     <li data-method="editLib"><a href='<?php echo inlink('editLib', 'libID=%libID%');?>' data-toggle='modal' data-type='iframe'><i class="icon icon-edit"></i><?php echo $lang->doc->libDropdown['editLib'];?></a></li>
     <?php endif;?>
-    <?php if(common::hasPriv($app->rawModule, 'deleteLib')):?>
+    <?php if(common::hasPriv($module, 'deleteLib')):?>
     <li data-method="deleteLib"><a href='<?php echo inlink('deleteLib', 'libID=%libID%');?>' target='hiddenwin'><i class="icon icon-trash"></i><?php echo $lang->doc->libDropdown['deleteLib'];?></a></li>
     <?php endif;?>
   </ul>
-  <ul class='moduleDorpdown'>
-    <?php if($canAddCatalog):?>
+  <ul class='<?php echo $module;?>ModuleDorpdown'>
+    <?php if($canAddCatalog[$module]):?>
     <li data-method="addCataBro" data-type="add" data-id="%moduleID%"><a><i class="icon icon-icon-add-directory"></i><?php echo $lang->doc->libDropdown['addSameModule'];?></a></li>
     <li data-method="addCataChild" data-type="add" data-id="%moduleID%" data-has-children='%hasChildren%'><a><i class="icon icon-icon-add-directory"></i><?php echo $lang->doc->libDropdown['addSubModule'];?></a></li>
     <?php endif;?>
-    <?php if($canEditCatalog):?>
-    <li data-method="editCata" class='edit-module'><a data-href='<?php echo helper::createLink('doc', 'editCatalog', "moduleID=%moduleID%&type=$app->rawModule");?>'><i class="icon icon-edit"></i><?php echo $lang->doc->libDropdown['editModule'];?></a></li>
+    <?php if($canEditCatalog[$module]):?>
+    <li data-method="editCata" class='edit-module'><a data-href='<?php echo helper::createLink($module, 'editCatalog', "moduleID=%moduleID%&type=$app->rawModule");?>'><i class="icon icon-edit"></i><?php echo $lang->doc->libDropdown['editModule'];?></a></li>
     <?php endif;?>
-    <?php if($canDeleteCatalog):?>
-    <li data-method="deleteCata"><a href='<?php echo helper::createLink('doc', 'deleteCatalog', 'rootID=%libID%&moduleID=%moduleID%');?>' target='hiddenwin'><i class="icon icon-trash"></i><?php echo $lang->doc->libDropdown['delModule'];?></a></li>
+    <?php if($canDeleteCatalog[$module]):?>
+    <li data-method="deleteCata"><a href='<?php echo helper::createLink($module, 'deleteCatalog', 'rootID=%libID%&moduleID=%moduleID%');?>' target='hiddenwin'><i class="icon icon-trash"></i><?php echo $lang->doc->libDropdown['delModule'];?></a></li>
     <?php endif;?>
   </ul>
+  <?php endforeach;?>
 </div>
 <div class='hidden' data-id="ulTreeModal">
   <ul data-id="liTreeModal" class="menu-active-primary menu-hover-primary has-input">
@@ -160,9 +175,11 @@ $(function()
      */
     function renderDropdown(option)
     {
-        var libClass = '.libDorpdown';
-        if(option.type != 'dropDownLibrary') libClass = '.moduleDorpdown';
+        var moduleType = option.moduleType == 'lib' ? 'doc' : option.moduleType;
+        var libClass   = '.' + moduleType + 'LibDorpdown';
+        if(option.type != 'dropDownLibrary') libClass = '.' + moduleType + 'ModuleDorpdown';
         if($(libClass).find('li').length == 0) return '';
+
         var dropdown = '<ul class="dropdown-menu dropdown-in-tree" id="' + option.type + '" style="display: unset; left:' + option.left + 'px; top:' + option.top + 'px;">';
         dropdown += $(libClass).html().replace(/%libID%/g, option.libID).replace(/%moduleID%/g, option.moduleID).replace(/%hasChildren%/g, option.hasChildren);
         dropdown += '</ul>';
@@ -255,7 +272,10 @@ $(function()
                     }
                     $item += '<div class="tree-version-trigger" data-id="' +  item.id + '"><div class="text">' + (versionName || versionLang) + '</div><div class="caret"></div></div>';
                 }
-                if((libClass != 'lib' && hasModulePriv) || (libClass == 'lib' && hasLibPriv)) $item += '<i class="icon icon-drop icon-ellipsis-v hidden tree-icon" data-isCatalogue="' + (libClass ? false : true) + '"></i>';
+
+                var moduleType = config.currentModule == 'api' ? 'api' : 'doc';
+                if(objectType) objectType.indexOf('api') === 0 ? 'api' : 'doc';
+                if((libClass != 'lib' && hasModulePriv[moduleType]) || (libClass == 'lib' && hasLibPriv[moduleType])) $item += '<i class="icon icon-drop icon-ellipsis-v hidden tree-icon" data-isCatalogue="' + (libClass ? false : true) + '"></i>';
                 $item += '</div>';
                 $item += '</a>';
                 if(item.versions) versionsData[item.id] = item.versions;
@@ -329,8 +349,9 @@ $(function()
             if($(this).data('type') == 'annex') return;
             if(!$(this).data('action')) return;
 
-            var libClass = '.libDorpdown';
-            if(!$(this).hasClass('lib')) libClass = '.moduleDorpdown';
+            var moduleType = $(this).data('type') == 'api' ? 'api' : 'doc';
+            var libClass   = '.' + moduleType + 'LibDorpdown';
+            if(!$(this).hasClass('lib')) libClass = '.' + moduleType + 'ModuleDorpdown';
 
             $(this).find('.icon').removeClass('hidden');
             $(this).addClass('show-icon');