diff --git a/juci/config.cc b/juci/config.cc
index 388fb88..1c1e454 100644
--- a/juci/config.cc
+++ b/juci/config.cc
@@ -1,14 +1,14 @@
 #include "config.h"
 
-
 MainConfig::MainConfig() :
-keybindings_cfg_(), source_cfg_() {
+  keybindings_cfg_(), source_cfg_() {
   boost::property_tree::json_parser::read_json("config.json", cfg_);
   GenerateSource();
   GenerateKeybindings();
-    //    keybindings_cfg_ = cfg_.get_child("keybindings");
-    //    notebook_cfg_ = cfg_.get_child("notebook");
-    //    menu_cfg_ = cfg_.get_child("menu");
+  GenerateDirectoryFilter();
+  //    keybindings_cfg_ = cfg_.get_child("keybindings");
+  //    notebook_cfg_ = cfg_.get_child("notebook");
+  //    menu_cfg_ = cfg_.get_child("menu");
 }
 
 void MainConfig::GenerateSource() {
@@ -34,9 +34,15 @@ void MainConfig::GenerateKeybindings() {
   for (auto &i : keys_json)
     keybindings_cfg_.key_map()[i.first] = i.second.get_value<std::string>();
 }
-Keybindings::Config& MainConfig::keybindings_cfg() {
-  return keybindings_cfg_;
-}
-Source::Config& MainConfig::source_cfg() {
-  return source_cfg_;
+
+void MainConfig::GenerateDirectoryFilter() {
+  boost::property_tree::ptree dir_json = cfg_.get_child("directoryfilter");
+  boost::property_tree::ptree ignore_json = dir_json.get_child("ignore");
+  boost::property_tree::ptree except_json = dir_json.get_child("exceptions");
+  for ( auto &i : except_json )   
+    dir_cfg_.AddException(i.second.get_value<std::string>());
+  for ( auto &i : ignore_json ) 
+    dir_cfg_.AddIgnore(i.second.get_value<std::string>());
 }
+
+
diff --git a/juci/config.h b/juci/config.h
index ee49224..edcb5fc 100644
--- a/juci/config.h
+++ b/juci/config.h
@@ -4,18 +4,22 @@
 #include <string>
 #include "keybindings.h"
 #include "source.h"
+#include "directories.h"
 
 class MainConfig {
 public:
   MainConfig();
-  Source::Config& source_cfg();
-  Keybindings::Config& keybindings_cfg();
+  Source::Config& source_cfg() { return source_cfg_; }
+  Keybindings::Config& keybindings_cfg() { return keybindings_cfg_; }
+  Directories::Config& dir_cfg() { return dir_cfg_; } 
   void PrintMenu();
   void GenerateSource();
   void GenerateKeybindings();
+  void GenerateDirectoryFilter();
 private:
   boost::property_tree::ptree cfg_;
   boost::property_tree::ptree key_tree_;
   Source::Config source_cfg_;
   Keybindings::Config keybindings_cfg_;
+  Directories::Config dir_cfg_;
 };
diff --git a/juci/config.json b/juci/config.json
index afc983d..e4ff1f5 100644
--- a/juci/config.json
+++ b/juci/config.json
@@ -25,6 +25,19 @@
 	"close_tab": "<control>w",
         "open_folder": "<control><alt>o"
     },
+    "directoryfilter": {
+        "ignore": [
+            "cmake",
+            "#",
+            "~",
+            ".idea",
+            "in-lowercase.pls"
+        ],
+        "exceptions": [
+            "cmakelists.txt",
+            "in-lowercase.pls"
+        ]
+        },
     "example": {
 	"key": "value",
 	"key2": [
diff --git a/juci/directories.cc b/juci/directories.cc
index 0366b35..adbc795 100644
--- a/juci/directories.cc
+++ b/juci/directories.cc
@@ -1,6 +1,7 @@
 #include "directories.h"
 
-Directories::Controller::Controller() {
+Directories::Controller::Controller(Directories::Config& cfg) :
+  config_(cfg) {
   m_ScrolledWindow.add(m_TreeView);
   m_ScrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 }
@@ -18,6 +19,17 @@ open_folder(const boost::filesystem::path& dir_path) {
   m_refTreeModel->set_sort_column(0, Gtk::SortType::SORT_ASCENDING);
 }
 
+bool Directories::Controller::IsIgnored(std::string path) {
+  std::transform(path.begin(), path.end(), path.begin(), ::tolower);
+  //  std::cout << "ignored?: " << path << std::endl;
+  if (config().IsException(path)) {
+    return false;
+  }
+  if (config().IsIgnored(path)) {
+    return true;
+  }
+  return false;
+}
 void Directories::Controller::
 list_dirs(const boost::filesystem::path& dir_path,
           Gtk::TreeModel::Row &parent,
@@ -32,28 +44,30 @@ list_dirs(const boost::filesystem::path& dir_path,
   for ( boost::filesystem::directory_iterator itr( dir_path );
         itr != end_itr;
         ++itr ) {
-    if (boost::filesystem::is_directory(itr->status())) {
-      if (count(itr->path().string()) > count(dir_path.string())) {  // is child
+    if (!IsIgnored(itr->path().filename().string())) {
+      if (boost::filesystem::is_directory(itr->status())) {
+        if (count(itr->path().string()) > count(dir_path.string())) {  // is child
+          child = *(m_refTreeModel->append(parent.children()));
+          std::string col_id("a"+itr->path().filename().string());
+          child[view().m_col_id] = col_id;
+          child[view().m_col_name] =  itr->path().filename().string();
+          child[view().m_col_path] = itr->path().string();
+          list_dirs(itr->path(), child, row_id);
+        } else {
+          row = *(m_refTreeModel->append());
+          std::string col_id("a"+itr->path().filename().string());
+          row[view().m_col_path] = itr->path().string();
+          row[view().m_col_id] = col_id;
+          row[view().m_col_name] =  itr->path().filename().string();
+          list_dirs(itr->path(), parent, row_id);
+        }
+      } else {  // is a file
         child = *(m_refTreeModel->append(parent.children()));
-        std::string col_id("a"+itr->path().filename().string());
+        std::string col_id("b"+itr->path().filename().string());
         child[view().m_col_id] = col_id;
-        child[view().m_col_name] =  itr->path().filename().string();
+        child[view().m_col_name] = itr->path().filename().string();
         child[view().m_col_path] = itr->path().string();
-        list_dirs(itr->path(), child, row_id);
-      } else {
-        row = *(m_refTreeModel->append());
-        std::string col_id("a"+itr->path().filename().string());
-        row[view().m_col_path] = itr->path().string();
-        row[view().m_col_id] = col_id;
-        row[view().m_col_name] =  itr->path().filename().string();
-        list_dirs(itr->path(), parent, row_id);
       }
-    } else {  // is a file
-      child = *(m_refTreeModel->append(parent.children()));
-      std::string col_id("b"+itr->path().filename().string());
-      child[view().m_col_id] = col_id;
-      child[view().m_col_name] = itr->path().filename().string();
-      child[view().m_col_path] = itr->path().string();
     }
   }
 }
@@ -101,3 +115,30 @@ get_project_name(const boost::filesystem::path& dir_path) {
   return "no project name";
 }
 
+Directories::Config::Config() {
+}
+Directories::Config::Config(Directories::Config& cfg) :
+  ignore_list_(cfg.ignore_list()), exception_list_(cfg.exception_list()) {
+}
+
+void Directories::Config::AddIgnore(std::string filter) {
+  ignore_list_.push_back(filter);
+}
+
+void Directories::Config::AddException(std::string filter) {
+  exception_list_.push_back(filter);
+}
+
+bool Directories::Config::IsIgnored(std::string str) {
+  for ( auto &i : ignore_list() )
+    if (str.find(i, 0) != std::string::npos)
+      return true;
+  return false;
+}
+
+bool Directories::Config::IsException(std::string str) {
+  for ( std::string &i : exception_list() )
+    if (i == str)
+      return true;
+  return false;
+}
diff --git a/juci/directories.h b/juci/directories.h
index c96605a..9a6d3b8 100644
--- a/juci/directories.h
+++ b/juci/directories.h
@@ -4,10 +4,28 @@
 #include <gtkmm.h>
 #include <glib.h>
 #include "boost/filesystem.hpp"
+#include <utility>
+#include <algorithm>
 #include <iostream>
 #include <fstream>
 
+
 namespace Directories {
+  
+  class Config {
+  public:
+    Config(Config &original);
+    Config();
+    std::vector<std::string> ignore_list() { return ignore_list_; }
+    std::vector<std::string> exception_list() { return exception_list_; }
+    void AddIgnore(std::string filter);
+    void AddException(std::string filter);
+    bool IsException(std::string path);
+    bool IsIgnored(std::string path);
+  private:
+    std::vector<std::string> ignore_list_;
+    std::vector<std::string> exception_list_;
+  };
   class View : public Gtk::TreeModel::ColumnRecord {
   public:
     View() {
@@ -22,12 +40,14 @@ namespace Directories {
 
   class Model {
   };
+  
   class Controller {
   public:
     Controller();
+    Controller(Directories::Config& cfg);
     View& view() { return view_;}
     Model& model() { return model_;}
-
+    Directories::Config& config() { return config_;}
     Gtk::ScrolledWindow& widget() {return m_ScrolledWindow;}
     bool open_folder (const boost::filesystem::path& dir_path);
     void list_dirs (const boost::filesystem::path& dir_path,
@@ -40,9 +60,11 @@ namespace Directories {
     Gtk::ScrolledWindow m_ScrolledWindow;
     Gtk::TreeView m_TreeView;
     Glib::RefPtr<Gtk::TreeStore> m_refTreeModel;
+    bool IsIgnored(std::string path);
   private:
     View view_;
     Model model_;
+    Directories::Config config_;
   protected:
     void on_treeview_row_activated(const Gtk::TreeModel::Path& path,
                                    Gtk::TreeViewColumn* column);
diff --git a/juci/notebook.cc b/juci/notebook.cc
index f2d745c..03230be 100644
--- a/juci/notebook.cc
+++ b/juci/notebook.cc
@@ -15,8 +15,10 @@ Notebook::View::View(){
 }
 
 Notebook::Controller::Controller(Keybindings::Controller& keybindings,
-				 Source::Config& source_cfg) :
-source_config_(source_cfg) { 
+				 Source::Config& source_cfg,
+                                 Directories::Config& dir_cfg) :
+  source_config_(source_cfg),
+  directories_(dir_cfg) { 
   OnNewPage("juCi++");
   refClipboard_ = Gtk::Clipboard::get();
   keybindings.action_group_menu()->add(Gtk::Action::create("FileMenu",
diff --git a/juci/notebook.h b/juci/notebook.h
index 3b77beb..ce9551a 100644
--- a/juci/notebook.h
+++ b/juci/notebook.h
@@ -28,7 +28,8 @@ namespace Notebook {
   public:
 
     Controller(Keybindings::Controller& keybindings,
-	       Source::Config& config);
+	       Source::Config& config,
+               Directories::Config& dir_cfg);
     ~Controller();
     Glib::RefPtr<Gtk::TextBuffer> Buffer( Source::Controller *source);
     Gtk::TextView& CurrentTextView();
diff --git a/juci/window.cc b/juci/window.cc
index 99485c2..ec3a174 100644
--- a/juci/window.cc
+++ b/juci/window.cc
@@ -4,7 +4,7 @@ Window::Window() :
   window_box_(Gtk::ORIENTATION_VERTICAL),
   main_config_(),
   keybindings_(main_config_.keybindings_cfg()),
-  notebook_(keybindings(), main_config_.source_cfg()),
+  notebook_(keybindings(), main_config_.source_cfg(), main_config_.dir_cfg()),
   menu_(keybindings()) {
   set_title("juCi++");
   set_default_size(600, 400);
diff --git a/juci/window.h b/juci/window.h
index 2b79755..a0b810f 100644
--- a/juci/window.h
+++ b/juci/window.h
@@ -4,7 +4,6 @@
 #include "api.h"
 #include "config.h"
 #include <cstddef>
-#include "directories.h"
 
 
 class Window : public Gtk::Window {