diff --git a/doc/model.md b/doc/model.md
index 85f485e..dfb98d1 100644
--- a/doc/model.md
+++ b/doc/model.md
@@ -1,106 +1,115 @@
-# NPC core
+# NPC
 
 ```plantuml
-abstract class ARepository
-abstract class ARepositoryFactory
-class RepositoryFactory
-class Repository {
-  +addStructure()
-  +removeStructure()
-  +getStructure()
+
+package Core {
+
+  package Control {
+    class RepositoryFactory
+    class ModelFactory
+    class StructureFactory
+    class FieldFactory{
+    + createField()
+    }
+  }
+
+  package Model as PKGmodel {    
+    class Repository {
+      +addStructure()
+      +removeStructure()
+      +getStructure()
+    }
+    class Model {
+      +getBinary():byte[]
+      +getStructures():Structure[]
+      +addStructure()
+      +removeStructure()
+    }
+    class Structure {
+      -name
+      -description
+      -fields
+      -data
+      +putData(Field, data)
+      +validateData(Field, data)
+      +updateData()
+    }
+    class Field {
+      - owningStructure
+      - binary
+      - logical
+      - visual
+      - representation
+    }
+  }
+
+}
+package Editor {
+  class MainWindow
+  class DockWidget_Tools
+  class DockWidget_Helpers
+  class StackContainer
+  class Syntax
+  class Name
+  class Input
+  class Representation
+  class StructureField
+
+  StructureField *-- Syntax
+  StructureField *-- Name
+  StructureField *-- Input
+  StructureField *-- Representation
+
+  MainWindow *- StackContainer: as centralWidget
 }
 
-abstract class AStackModelFactory
-class StackModelFactory
 
-abstract class AStackModel
-class StackModel {
-  +getBinary():byte[]
-  +getStructures():Structure[]
-  +addStructure()
-  +removeStructure()
-}
-
-abstract class AStructureFactory
-class StructureFactory
-abstract class AStructure
-class Structure {
-  -name
-  -description
-  -fields
-  -data
-  +putData(Field, data)
-  +validateData(Field, data)
-  +updateData()
-}
-
-abstract class AFieldFactory{
-+ createField()
-+ createFieldBinaryInformation()
-+ createFieldLogicalInformation()
-+ createFieldVisualInformation()
-+ createFieldRepresentation()
-}
-class FieldFactory
-abstract class AField
-class Field {
-  - owningStructure
-  - binary
-  - logical
-  - visual
-  - representation
-}
 
 class RandomAccessBinary {
   - binaryData
   + setBytes(uint position, std::vector<uint8_t> data)
-+ setByte(uint position, uint8_t data)
+  + setByte(uint position, uint8_t data)
 
-+ setBit(uint64_t position, bool value)
-+ setBit(uint bytePosition, uint bitPosition, bool value)
-+ setBits(uint64_t position, uint bits, uint value)
-+ setBits(uint bytePosition, uint bitPosition, uint bits, uint value)
+  + setBit(uint64_t position, bool value)
+  + setBit(uint bytePosition, uint bitPosition, bool value)
+  + setBits(uint64_t position, uint bits, uint value)
+  + setBits(uint bytePosition, uint bitPosition, uint bits, uint value)
 
-+ getByte(uint position)
-+ getBytes(uint position, uint bytes)
+  + getByte(uint position)
+  + getBytes(uint position, uint bytes)
 
-+ getBit(uint64_t position)
-+ getBit(uint bytePosition, uint bitPosition)
-+ getBits(uint64_t position, uint bits)
-+ getBits(uint bytePosition, uint bitPosition, uint bits)
+  + getBit(uint64_t position)
+  + getBit(uint bytePosition, uint bitPosition)
+  + getBits(uint64_t position, uint bits)
+  + getBits(uint bytePosition, uint bitPosition, uint bits)
 
-+ get_uint32(uint position)
-+ get_uint16(uint position)
-+ get_uint64(uint position)
-+ get_float(uint position)
-+ get_double(uint position)
+  + get_uint32(uint position)
+  + get_uint16(uint position)
+  + get_uint64(uint position)
+  + get_float(uint position)
+  + get_double(uint position)
 
-+ get_string(uint position, uint length)
+  + get_string(uint position, uint length)
 
-+ get_hex_string(uint position, uint length)
-+ get_hex_string()
+  + get_hex_string(uint position, uint length)
+  + get_hex_string()
 }
 
-ARepositoryFactory <|-- RepositoryFactory
-ARepository <|-- Repository
 RepositoryFactory --> Repository : creates >
 
-AStackModelFactory <|-- StackModelFactory
-AStackModel <|-- StackModel
-StackModelFactory --> StackModel: creates >
+ModelFactory -> Model: creates >
 
-AStructureFactory <|-- StructureFactory
-AStructure <|-- Structure
-StructureFactory --> Structure : creates >
-StackModel *-- Structure
-Repository *-- Structure
+StructureFactory -> Structure : creates >
+Model *- Structure
+Repository *- Structure
 
-AFieldFactory <|-- FieldFactory
-AField <|-- Field
-FieldFactory --> Field : creates >
+FieldFactory -> Field : creates >
 
-Structure *-- Field
+Structure *- Field
 
-StackModel *-- "1" RandomAccessBinary
+Model *-- "1" RandomAccessBinary
+
+StructureField *-- Field
+StackContainer *-- StructureField
 
 ```
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index a7a8470..502cdc4 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -8,10 +8,10 @@ set(HEADERS
   model/Model.h
   model/Structure.h
   model/Field.h
-  control/ARepositoryFactory.h
-  control/AFieldFactory.h
-  control/AStructureFactory.h
-  control/AModelFactory.h
+  control/RepositoryFactory.h
+  control/FieldFactory.h
+  control/StructureFactory.h
+  control/ModelFactory.h
 
   schemaio/AStructureReaderFactory.h
   schemaio/AStructureWriterFactory.h
@@ -28,10 +28,10 @@ set(SOURCES
   model/Model.cpp
   model/Structure.cpp
   model/Field.cpp
-  control/ARepositoryFactory.cpp
-  control/AFieldFactory.cpp
-  control/AStructureFactory.cpp
-  control/AModelFactory.cpp
+  control/RepositoryFactory.cpp
+  control/FieldFactory.cpp
+  control/StructureFactory.cpp
+  control/ModelFactory.cpp
 
   schemaio/AStructureReaderFactory.cpp
   schemaio/AStructureWriterFactory.cpp
diff --git a/src/core/control/FieldFactory.cpp b/src/core/control/FieldFactory.cpp
index d967a80..dde992f 100644
--- a/src/core/control/FieldFactory.cpp
+++ b/src/core/control/FieldFactory.cpp
@@ -1,5 +1,5 @@
-#include "AFieldFactory.h"
-namespace NPC_core {
+#include "FieldFactory.h"
+namespace NPC { namespace core {
 namespace Control {
 FieldFactory::FieldFactory()
 {
@@ -14,12 +14,17 @@ std::shared_ptr<Model::Field> FieldFactory::createField(std::string name, std::s
     return f;
 }
 
-std::shared_ptr<Model::Field> FieldFactory::createFieldFull(std::string name, std::map<std::string, std::string> syntaxes, std::shared_ptr<Model::Structure> parentStructure)
+std::shared_ptr<Model::Field> FieldFactory::createFieldFull(std::string name, std::shared_ptr<std::map<std::string, std::string>> syntaxes, std::shared_ptr<Model::Structure> parentStructure)
 {
-    auto f = std::make_shared<Model::Field>();
-    f->setName(name);
+    auto f = this->createField(name, parentStructure);
     f->setSyntaxes(syntaxes);
-    f->setParentStructure(parentStructure);
     return f;
 }
-}}
+
+std::shared_ptr<Model::Field> FieldFactory::createFieldWithPredefinedValues(std::string name, std::shared_ptr<std::map<std::string, std::string> > choosableValues, std::shared_ptr<std::map<std::string, std::string> > syntaxes, std::shared_ptr<Model::Structure> parentStructure)
+{
+    auto f = this->createFieldFull(name, syntaxes, parentStructure);
+    f->setChooseableValues(choosableValues);
+    return f;
+}
+}}}
diff --git a/src/core/control/FieldFactory.h b/src/core/control/FieldFactory.h
index e72c9f2..2424573 100644
--- a/src/core/control/FieldFactory.h
+++ b/src/core/control/FieldFactory.h
@@ -4,7 +4,7 @@
 #include "../model/Field.h"
 #include <memory>
 
-namespace NPC_core {
+namespace NPC { namespace core {
 namespace Control {
 class FieldFactory
 {
@@ -13,7 +13,10 @@ public:
     virtual ~FieldFactory();
 
     virtual std::shared_ptr<Model::Field> createField(std::string name, std::shared_ptr<Model::Structure> parentStructure = nullptr);
-    virtual std::shared_ptr<Model::Field> createFieldFull(std::string name, std::map<std::string, std::string> syntaxes, std::shared_ptr<Model::Structure> parentStructure = nullptr);
+    virtual std::shared_ptr<Model::Field> createFieldFull(std::string name, std::shared_ptr<std::map<std::string, std::string>> syntaxes, std::shared_ptr<Model::Structure> parentStructure = nullptr);
+    virtual std::shared_ptr<Model::Field> createFieldWithPredefinedValues(std::string name, std::shared_ptr<std::map<std::string, std::string>> choosableValues,
+                                                                          std::shared_ptr<std::map<std::string, std::string>> syntaxes,
+                                                                          std::shared_ptr<Model::Structure> parentStructure = nullptr);
 };
-}}
+}}}
 #endif // AFIELDFACTORY_H
diff --git a/src/core/control/ModelFactory.cpp b/src/core/control/ModelFactory.cpp
index 3827248..2eeb6c6 100644
--- a/src/core/control/ModelFactory.cpp
+++ b/src/core/control/ModelFactory.cpp
@@ -1,8 +1,8 @@
-#include "AModelFactory.h"
-namespace NPC_core {
+#include "ModelFactory.h"
+namespace NPC { namespace core {
 namespace Control {
 ModelFactory::ModelFactory()
 {
 
 }
-}}
+}}}
diff --git a/src/core/control/ModelFactory.h b/src/core/control/ModelFactory.h
index 4ab9b26..47aa16e 100644
--- a/src/core/control/ModelFactory.h
+++ b/src/core/control/ModelFactory.h
@@ -1,12 +1,12 @@
 #ifndef AMODELFACTORY_H
 #define AMODELFACTORY_H
 
-namespace NPC_core {
+namespace NPC { namespace core {
 namespace Control {
 class ModelFactory
 {
 public:
     ModelFactory();
 };
-}}
+}}}
 #endif // AMODELFACTORY_H
diff --git a/src/core/control/RepositoryFactory.cpp b/src/core/control/RepositoryFactory.cpp
new file mode 100644
index 0000000..2476f15
--- /dev/null
+++ b/src/core/control/RepositoryFactory.cpp
@@ -0,0 +1,8 @@
+#include "RepositoryFactory.h"
+namespace NPC { namespace core {
+namespace Control {
+RepositoryFactory::RepositoryFactory()
+{
+
+}
+}}}
diff --git a/src/core/control/RepositoryFactory.h b/src/core/control/RepositoryFactory.h
index 3d57bf9..3e74eb5 100644
--- a/src/core/control/RepositoryFactory.h
+++ b/src/core/control/RepositoryFactory.h
@@ -1,12 +1,12 @@
 #ifndef AREPOSITORYFACTORY_H
 #define AREPOSITORYFACTORY_H
 
-namespace NPC_core {
+namespace NPC { namespace core {
 namespace Control {
 class RepositoryFactory
 {
 public:
     RepositoryFactory();
 };
-}}
+}}}
 #endif // AREPOSITORYFACTORY_H
diff --git a/src/core/control/RepositoryFactorycpp b/src/core/control/RepositoryFactorycpp
deleted file mode 100644
index e2f9cfd..0000000
--- a/src/core/control/RepositoryFactorycpp
+++ /dev/null
@@ -1,8 +0,0 @@
-#include "ARepositoryFactory.h"
-namespace NPC_core {
-namespace Control {
-RepositoryFactory::RepositoryFactory()
-{
-
-}
-}}
diff --git a/src/core/control/StructureFactory.cpp b/src/core/control/StructureFactory.cpp
index bbe37ec..350554b 100644
--- a/src/core/control/StructureFactory.cpp
+++ b/src/core/control/StructureFactory.cpp
@@ -1,8 +1,8 @@
-#include "AStructureFactory.h"
-namespace NPC_core {
+#include "StructureFactory.h"
+namespace NPC { namespace core {
 namespace Control {
 StructureFactory::StructureFactory()
 {
 
 }
-}}
+}}}
diff --git a/src/core/control/StructureFactory.h b/src/core/control/StructureFactory.h
index 8d71c69..7adf407 100644
--- a/src/core/control/StructureFactory.h
+++ b/src/core/control/StructureFactory.h
@@ -1,12 +1,12 @@
 #ifndef ASTRUCTUREFACTORY_H
 #define ASTRUCTUREFACTORY_H
 
-namespace NPC_core {
+namespace NPC { namespace core {
 namespace Control {
 class StructureFactory
 {
 public:
     StructureFactory();
 };
-}}
+}}}
 #endif // ASTRUCTUREFACTORY_H
diff --git a/src/core/model/Field.cpp b/src/core/model/Field.cpp
index 18ba7a2..b3891b8 100644
--- a/src/core/model/Field.cpp
+++ b/src/core/model/Field.cpp
@@ -1,6 +1,6 @@
 #include "Field.h"
 
-namespace NPC_core {
+namespace NPC { namespace core {
 namespace Model {
 Field::Field()
 {
@@ -58,4 +58,4 @@ void Field::setChooseableValues(const std::shared_ptr<std::map<std::string, std:
 }
 
 }
-}
+}}
diff --git a/src/core/model/Field.h b/src/core/model/Field.h
index dc68faa..bedb8c5 100644
--- a/src/core/model/Field.h
+++ b/src/core/model/Field.h
@@ -6,7 +6,7 @@
 #include <string>
 #include <map>
 
-namespace NPC_core {
+namespace NPC { namespace core {
 namespace Model {
 
 class Structure;
@@ -39,6 +39,6 @@ protected:
     std::string value;
     std::shared_ptr<std::map<std::string, std::string>> chooseableValues;
 };
-}}
+}}}
 
 #endif // AFIELD_H
diff --git a/src/core/model/Model.cpp b/src/core/model/Model.cpp
index 5a0ca97..007f52b 100644
--- a/src/core/model/Model.cpp
+++ b/src/core/model/Model.cpp
@@ -1,8 +1,8 @@
 #include "Model.h"
-namespace NPC_core {
+namespace NPC { namespace core {
 namespace Model {
 Model::Model()
 {
 
 }
-}}
+}}}
diff --git a/src/core/model/Model.h b/src/core/model/Model.h
index 92287c7..c6df3a4 100644
--- a/src/core/model/Model.h
+++ b/src/core/model/Model.h
@@ -4,7 +4,7 @@
 #include "../Tree.h"
 #include "Field.h"
 
-namespace NPC_core {
+namespace NPC { namespace core {
 namespace Model {
 class Model
 {
@@ -15,5 +15,5 @@ public:
 private:
     Tree<Field> stack;
 };
-}}
+}}}
 #endif // AMODEL_H
diff --git a/src/core/model/Repository.cpp b/src/core/model/Repository.cpp
index bc3c2c2..2ec8e05 100644
--- a/src/core/model/Repository.cpp
+++ b/src/core/model/Repository.cpp
@@ -1,8 +1,8 @@
 #include "Repository.h"
-namespace NPC_core {
+namespace NPC { namespace core {
 namespace Model {
 Repository::Repository()
 {
 
 }
-}}
+}}}
diff --git a/src/core/model/Repository.h b/src/core/model/Repository.h
index d8bf141..c59f169 100644
--- a/src/core/model/Repository.h
+++ b/src/core/model/Repository.h
@@ -4,7 +4,7 @@
 #include <map>
 #include "Structure.h"
 
-namespace NPC_core {
+namespace NPC { namespace core {
 namespace Model {
 class Repository
 {
@@ -15,5 +15,5 @@ public:
 private:
     std::map<std::string, Structure> structures;
 };
-}}
+}}}
 #endif // AREPOSITORY_H
diff --git a/src/core/model/Structure.cpp b/src/core/model/Structure.cpp
index 5e13dc4..647c902 100644
--- a/src/core/model/Structure.cpp
+++ b/src/core/model/Structure.cpp
@@ -1,5 +1,5 @@
 #include "Structure.h"
-namespace NPC_core {
+namespace NPC { namespace core {
 namespace Model {
 Structure::Structure()
 {
@@ -25,4 +25,20 @@ void Structure::setLayer(const uint &value)
 {
     layer = value;
 }
-}}
+
+std::shared_ptr<Tree<Field> > Structure::getElements() const
+{
+    return elements;
+}
+
+void Structure::setElements(const std::shared_ptr<Tree<Field> > &value)
+{
+    elements = value;
+}
+
+std::shared_ptr<TreeNode<Field> > Structure::getElementCopy()
+{
+    if(elements != nullptr)
+        return elements->getRoot()->rcopy();
+}
+}}}
diff --git a/src/core/model/Structure.h b/src/core/model/Structure.h
index a66ad41..7822ea7 100644
--- a/src/core/model/Structure.h
+++ b/src/core/model/Structure.h
@@ -6,7 +6,7 @@
 #include "Field.h"
 #include "../Tree.h"
 
-namespace NPC_core {
+namespace NPC { namespace core {
 namespace Model {
 
 class Field;
@@ -28,6 +28,6 @@ private:
     std::string name;
     uint layer;
 };
-}}
+}}}
 
 #endif // ASTRUCTURE_H
diff --git a/src/editor/CMakeLists.txt b/src/editor/CMakeLists.txt
index d04d9b0..987e4c4 100644
--- a/src/editor/CMakeLists.txt
+++ b/src/editor/CMakeLists.txt
@@ -2,11 +2,13 @@
 set(HEADERS
             flowlayout.h
             StructureField.h
+            StackContainer.h
 )
 
 set(SOURCES
             flowlayout.cpp
             StructureField.cpp
+            StackContainer.cpp
 )
 
 add_library(editor ${HEADERS} ${SOURCES})
diff --git a/src/editor/StackContainer.cpp b/src/editor/StackContainer.cpp
new file mode 100644
index 0000000..10885cb
--- /dev/null
+++ b/src/editor/StackContainer.cpp
@@ -0,0 +1,6 @@
+#include "StackContainer.h"
+using namespace NPC::editor;
+StackContainer::StackContainer(QWidget *parent) : QWidget(parent)
+{
+
+}
diff --git a/src/editor/StackContainer.h b/src/editor/StackContainer.h
new file mode 100644
index 0000000..6a287ee
--- /dev/null
+++ b/src/editor/StackContainer.h
@@ -0,0 +1,26 @@
+#ifndef STACKCONTAINER_H
+#define STACKCONTAINER_H
+
+#include <QWidget>
+#include <memory>
+#include "../core/model/Model.h"
+
+namespace NPC {
+namespace editor {
+
+
+class StackContainer : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit StackContainer(QWidget *parent = nullptr);
+    void setModel(std::shared_ptr<NPC::core::Model::Model> model);
+
+signals:
+
+public slots:
+};
+
+}}
+
+#endif // STACKCONTAINER_H
diff --git a/src/editor/StructureField.cpp b/src/editor/StructureField.cpp
index 25c2282..8ea0127 100644
--- a/src/editor/StructureField.cpp
+++ b/src/editor/StructureField.cpp
@@ -1,6 +1,7 @@
 #include "StructureField.h"
 
-namespace NPC_editor {
+namespace NPC {
+namespace editor {
 
 StructureField::StructureField(QWidget *parent) : QWidget(parent)
 {
@@ -14,7 +15,7 @@ StructureField::StructureField(QWidget *parent) : QWidget(parent)
     this->syntax = new QLabel(this);
 }
 
-StructureField::StructureField(const std::shared_ptr<NPC_core::Model::Field> field, QWidget *parent) : QWidget(parent)
+StructureField::StructureField(const std::shared_ptr<NPC::core::Model::Field> field, QWidget *parent) : StructureField(parent)
 {
     this->field = field;
 }
@@ -56,4 +57,4 @@ void StructureField::initialRender()
     this->render();
 }
 
-}
+}}
diff --git a/src/editor/StructureField.h b/src/editor/StructureField.h
index 32b1d20..1196ee1 100644
--- a/src/editor/StructureField.h
+++ b/src/editor/StructureField.h
@@ -10,14 +10,15 @@
 #include "../core/model/Field.h"
 #include <memory>
 
-namespace NPC_editor {
+namespace NPC{
+namespace editor {
 
 class StructureField : public QWidget
 {
     Q_OBJECT
 public:
     explicit StructureField(QWidget *parent = nullptr);
-    explicit StructureField(const std::shared_ptr<NPC_core::Model::Field> field, QWidget *parent = nullptr);
+    explicit StructureField(const std::shared_ptr<NPC::core::Model::Field> field, QWidget *parent = nullptr);
 
 signals:
 
@@ -30,7 +31,7 @@ public slots:
     void initialRender();
 
 private:
-    std::shared_ptr<NPC_core::Model::Field> field;
+    std::shared_ptr<NPC::core::Model::Field> field;
     // layout
     QVBoxLayout* layout;
     QLabel* title;
@@ -41,5 +42,5 @@ private:
     QRegExpValidator* validator;
     QWidget* subContainer;
 };
-}
+}}
 #endif // STRUCTUREFIELD_H