diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 88a4a42..39d0f3b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -6,7 +6,8 @@ set(SOURCES     mainwindow.cpp
 
 add_subdirectory(model)
 add_subdirectory(editor)
+add_subdirectory(protocol)
 
 add_library(src ${HEADERS} ${SOURCES})
-target_link_libraries(src model editor)
+target_link_libraries(src model editor protocol)
 qt5_use_modules(src Widgets)
diff --git a/src/editor/CMakeLists.txt b/src/editor/CMakeLists.txt
index 6127fbe..c5fb1fa 100644
--- a/src/editor/CMakeLists.txt
+++ b/src/editor/CMakeLists.txt
@@ -1,21 +1,20 @@
 
-set(HEADERS editormodel.h
-            editorelementdata.h
+set(HEADERS editorelementdata.h
             guidededitorelementview.h
-            guidededitorgroupview.h
-            editorgroup.h
             flowlayout.h
-            editortreenode.h
+            EditorNode.h
+            EditorTree.h
+            EditorElementValue.h
 )
 
 set(SOURCES guidededitorelementview.cpp
-            guidededitorgroupview.cpp
             editorelementdata.cpp
-            editormodel.cpp
-            editorgroup.cpp
             guidededitorview.cpp
             flowlayout.cpp
-            editortreenode.cpp
+            EditorNode.cpp
+            EditorTree.cpp
+            EditorElementValue.cpp
+
 )
 
 add_library(editor ${HEADERS} ${SOURCES})
diff --git a/src/editor/EditorElementValue.cpp b/src/editor/EditorElementValue.cpp
new file mode 100644
index 0000000..601811a
--- /dev/null
+++ b/src/editor/EditorElementValue.cpp
@@ -0,0 +1,16 @@
+#include "EditorElementValue.h"
+
+EditorElementValue::EditorElementValue()
+{
+
+}
+
+QString EditorElementValue::getValue() const
+{
+    return value;
+}
+
+void EditorElementValue::setValue(const QString &value)
+{
+    this->value = value;
+}
diff --git a/src/editor/EditorElementValue.h b/src/editor/EditorElementValue.h
new file mode 100644
index 0000000..60e63dd
--- /dev/null
+++ b/src/editor/EditorElementValue.h
@@ -0,0 +1,17 @@
+#ifndef EDITORELEMENTVALUE_H
+#define EDITORELEMENTVALUE_H
+#include <QString>
+
+class EditorElementValue
+{
+public:
+    EditorElementValue();
+
+    QString getValue() const;
+    void setValue(const QString &value);
+
+private:
+    QString value;
+};
+
+#endif // EDITORELEMENTVALUE_H
diff --git a/src/editor/EditorNode.cpp b/src/editor/EditorNode.cpp
new file mode 100644
index 0000000..569dabc
--- /dev/null
+++ b/src/editor/EditorNode.cpp
@@ -0,0 +1,209 @@
+#include "EditorNode.h"
+
+#include <QList>
+
+EditorNode::EditorNode()
+{
+
+}
+
+EditorNode::EditorNode(std::shared_ptr<EditorElementData> data)
+{
+    this->data = data;
+}
+
+EditorNode::~EditorNode()
+{
+
+}
+
+const std::shared_ptr<EditorNode> EditorNode::nextSibling()
+{
+    if (parent != nullptr) {
+        int i = parent->getChildren().indexOf(std::shared_ptr<EditorNode>(this));
+        if (i + 1 < parent->getChildren().size())
+            return parent->getChildren().at(i + 1); //next sibling...
+        else
+            return nullptr;
+    }
+    return nullptr;
+
+}
+
+const std::shared_ptr<EditorNode> EditorNode::next(TreeWalkStrategy walkStrategy)
+{
+    if (walkStrategy == TreeWalkStrategy::mixture)
+        // choose node, work through all siblings, choose next node, but don't change branches more than one parent away, except branch is at an end.
+        if (parent != nullptr) {
+            if (nextSibling() != nullptr) // next sibling
+                return nextSibling();
+            else // find next children
+            {
+                for (auto n : parent->getChildren())
+                    if (n->getChildren().size() > 0)
+                        return n->getChildren().first();
+                auto siblingOfParent = parent->nextSibling();
+                while (siblingOfParent != nullptr && siblingOfParent->getChildren().size() == 0) {
+                    if (siblingOfParent->nextSibling() == nullptr)
+                        siblingOfParent = siblingOfParent->getParent();
+                    else
+                        siblingOfParent = siblingOfParent->nextSibling();
+                }
+                if (siblingOfParent != nullptr)
+                    return siblingOfParent->getChildren().first();
+                else
+                    return nullptr;
+            }
+        } else {
+            if (getChildren().size() > 0)
+                return getChildren().first();
+            else
+                return nullptr;
+        }
+    else if (walkStrategy == TreeWalkStrategy::depthFirst)
+        if (getChildren().size() > 0)
+            return getChildren().first();
+        else {
+            auto node = std::shared_ptr<EditorNode>(this);
+            while (node->nextSibling() == nullptr && node->getParent() != nullptr)
+                node = node->getParent();
+            return node->nextSibling();
+        }
+    else if (walkStrategy == TreeWalkStrategy::breadthFirst)
+        if (parent != nullptr) {
+            auto nextOnLvl = nextOnSameLevel();
+            if (nextOnLvl == nullptr){
+                for (auto n : this->getChildren())
+                    if (n->getChildren().size() > 0)
+                        return n->getChildren().first();
+            }
+            else return nextOnLvl;
+        }
+    return nullptr;
+}
+
+const std::shared_ptr<EditorNode> EditorNode::getRoot()
+{
+    auto node = std::shared_ptr<EditorNode>(this);
+    while (node->getParent() != nullptr)
+        node = node->getParent();
+    return node;
+}
+
+void EditorNode::move(std::shared_ptr<EditorNode> to)
+{
+    this->getParent()->getChildren().removeOne(std::shared_ptr<EditorNode>(this));
+    to->getChildren().append(std::shared_ptr<EditorNode>(this));
+    fireTreeChanged();
+}
+
+void EditorNode::moveChildren(std::shared_ptr<EditorNode> to)
+{
+    for (auto child : getChildren())
+        child->move(to);
+    fireTreeChanged();
+}
+
+void EditorNode::addChild(std::shared_ptr<EditorNode> child)
+{
+    this->getChildren().append(child);
+    child->setParent(std::shared_ptr<EditorNode>(this));
+    fireTreeChanged();
+}
+
+bool EditorNode::removeChild(std::shared_ptr<EditorNode> child)
+{
+    bool ret = this->getChildren().removeOne(child);
+    if (ret) fireTreeChanged();
+    return ret;
+}
+
+bool EditorNode::remove()
+{
+    bool worked = true;
+    if (children.size() > 0) {
+        for (auto node : children) {
+            worked &= node->remove();
+        }
+    }
+    if (worked && parent != nullptr) {
+        worked &= parent->getChildren().removeOne(std::shared_ptr<EditorNode>(this));
+    }
+    if (worked) fireTreeChanged();
+    return worked;
+}
+
+std::shared_ptr<EditorNode> EditorNode::getParent() const
+{
+    return parent;
+}
+
+void EditorNode::setParent(const std::shared_ptr<EditorNode> &value)
+{
+    parent = value;
+}
+
+std::shared_ptr<EditorElementData> EditorNode::getData() const
+{
+    return data;
+}
+
+void EditorNode::setData(const std::shared_ptr<EditorElementData> &value)
+{
+    fireNodeDataChanged();
+    data = value;
+}
+
+std::shared_ptr<EditorElementValue> EditorNode::getValue() const
+{
+    return value;
+}
+
+void EditorNode::setValue(const std::shared_ptr<EditorElementValue> &value)
+{
+    fireNodeDataChanged();
+    this->value = value;
+}
+
+QList<std::shared_ptr<EditorNode> > EditorNode::getChildren() const
+{
+    return children;
+}
+
+void EditorNode::fireNodeDataChanged()
+{
+    if(this->getRoot()->getDataChangedSignal() != nullptr)
+        this->getRoot()->getDataChangedSignal()(std::shared_ptr<EditorNode>(this));
+}
+
+void EditorNode::fireTreeChanged()
+{
+    if(this->getRoot()->getTreeChangedSignal() != nullptr)
+        this->getRoot()->getTreeChangedSignal()(std::shared_ptr<EditorNode>(this));
+}
+
+std::shared_ptr<EditorNode> EditorNode::nextOnSameLevel()
+{
+    if (nextSibling() != nullptr)
+        return nextSibling();
+    uint lvl = 1;
+    auto node = this->getParent();
+    auto pnode = std::shared_ptr<EditorNode>(this);
+    while (lvl > 0 && node != nullptr) {
+        if (node != pnode->getParent() && node->getChildren().size() > 0) {
+            node = node->getChildren().first();
+            --lvl;
+        } else {
+            pnode = node;
+            if (node->nextSibling() != nullptr)
+                node = node->nextSibling();
+            else {
+                if (node->getParent() != nullptr) {
+                    node = node->getParent();
+                    ++lvl;
+                }
+            }
+        }
+    }
+    return node;
+}
diff --git a/src/editor/EditorNode.h b/src/editor/EditorNode.h
new file mode 100644
index 0000000..909c0d7
--- /dev/null
+++ b/src/editor/EditorNode.h
@@ -0,0 +1,74 @@
+#ifndef EDITORNODE_H
+#define EDITORNODE_H
+
+#include <memory>
+#include <QList>
+#include <functional>
+
+#include "editorelementdata.h"
+#include "EditorElementValue.h"
+
+class EditorNode;
+
+enum class TreeWalkStrategy {
+    depthFirst,
+    breadthFirst,
+    mixture
+};
+
+class EditorNode
+{
+public:
+    explicit EditorNode();
+    explicit EditorNode(std::shared_ptr<EditorElementData> data);
+    virtual ~EditorNode();
+
+    const std::shared_ptr<EditorNode> nextSibling();
+
+    const std::shared_ptr<EditorNode> next(TreeWalkStrategy walkStrategy = TreeWalkStrategy::depthFirst);
+    const std::shared_ptr<EditorNode> getRoot();
+    void move(std::shared_ptr<EditorNode> to); //as child
+    void moveChildren(std::shared_ptr<EditorNode> to); //all
+
+    void addChild(std::shared_ptr<EditorNode> child);
+    bool removeChild(std::shared_ptr<EditorNode> child);
+    bool remove();
+
+    std::shared_ptr<EditorNode> getParent() const;
+    void setParent(const std::shared_ptr<EditorNode> &value);
+
+    std::shared_ptr<EditorElementData> getData() const;
+    void setData(const std::shared_ptr<EditorElementData> &value);
+
+    std::shared_ptr<EditorElementValue> getValue() const;
+    void setValue(const std::shared_ptr<EditorElementValue> &value);
+
+    QList<std::shared_ptr<EditorNode> > getChildren() const;
+
+    void setDataChangedSignal(std::function<void(std::shared_ptr<EditorNode>)> f)
+    {
+        nodeDataChanged = f;
+    }
+    void setTreeChangedSignal(std::function<void(std::shared_ptr<EditorNode>)> f)
+    {
+        treeChanged = f;
+    }
+
+    std::function<void(std::shared_ptr<EditorNode>)> getTreeChangedSignal(){ return treeChanged; }
+    std::function<void(std::shared_ptr<EditorNode>)> getDataChangedSignal(){ return nodeDataChanged; }
+
+private:
+    void fireNodeDataChanged();
+    void fireTreeChanged();
+    //signal callbacks only set in the root node
+    std::function<void(std::shared_ptr<EditorNode>)> nodeDataChanged;
+    std::function<void(std::shared_ptr<EditorNode>)> treeChanged;
+
+    std::shared_ptr<EditorNode> nextOnSameLevel();
+    std::shared_ptr<EditorNode> parent;
+    std::shared_ptr<EditorElementData> data;
+    std::shared_ptr<EditorElementValue> value;
+    QList<std::shared_ptr<EditorNode>> children;
+};
+
+#endif // EDITORNODE_H
diff --git a/src/editor/EditorTree.cpp b/src/editor/EditorTree.cpp
new file mode 100644
index 0000000..99433cd
--- /dev/null
+++ b/src/editor/EditorTree.cpp
@@ -0,0 +1,15 @@
+#include "EditorTree.h"
+#include <memory>
+
+EditorTree::EditorTree(QObject *parent) : QObject(parent)
+{
+    root = std::make_shared<EditorNode>(nullptr);
+
+    root->setDataChangedSignal([this](std::shared_ptr<EditorNode> node){ emit this->nodeDataChanged(node);});
+    root->setTreeChangedSignal([this](std::shared_ptr<EditorNode> node){ emit this->treeChanged(node);});
+}
+
+EditorTree::~EditorTree()
+{
+
+}
diff --git a/src/editor/EditorTree.h b/src/editor/EditorTree.h
new file mode 100644
index 0000000..ab6b8d9
--- /dev/null
+++ b/src/editor/EditorTree.h
@@ -0,0 +1,25 @@
+#ifndef EDITORTREE_H
+#define EDITORTREE_H
+#include <memory>
+#include <QObject>
+
+#include "EditorNode.h"
+
+class EditorTree : public QObject
+{
+    Q_OBJECT
+public:
+    explicit EditorTree(QObject *parent = 0);
+    virtual ~EditorTree();
+
+    const std::shared_ptr<EditorNode> getRoot() { return root; }
+
+signals:
+    void nodeDataChanged(std::shared_ptr<EditorNode> node);
+    void treeChanged(std::shared_ptr<EditorNode> node);
+public slots:
+private:
+    std::shared_ptr<EditorNode> root;
+};
+
+#endif // EDITORTREE_H
diff --git a/src/editor/editorelementdata.cpp b/src/editor/editorelementdata.cpp
index c47c1a8..034f06d 100644
--- a/src/editor/editorelementdata.cpp
+++ b/src/editor/editorelementdata.cpp
@@ -13,3 +13,123 @@ EditorElementData::~EditorElementData()
 
 }
 
+QString EditorElementData::getTitle() const
+{
+    return title;
+}
+
+void EditorElementData::setTitle(const QString &value)
+{
+    title = value;
+}
+
+QString EditorElementData::getId() const
+{
+    return id;
+}
+
+void EditorElementData::setId(const QString &value)
+{
+    id = value;
+}
+
+QList<QString> EditorElementData::getSyntaxes() const
+{
+    return syntaxes;
+}
+
+void EditorElementData::setSyntaxes(const QList<QString> &value)
+{
+    syntaxes = value;
+}
+
+bool EditorElementData::isMultiLine() const
+{
+    return multiline;
+}
+
+void EditorElementData::setIsMultiLine(bool value)
+{
+    multiline = value;
+}
+
+ValueType EditorElementData::getType() const
+{
+    return type;
+}
+
+void EditorElementData::setType(const ValueType &value)
+{
+    type = value;
+}
+
+QString EditorElementData::getRegex() const
+{
+    return regex;
+}
+
+void EditorElementData::setRegex(const QString &value)
+{
+    regex = value;
+}
+
+QMap<QString, QString> EditorElementData::getHints() const
+{
+    return hints;
+}
+
+void EditorElementData::setHint(const QString &key, const QString &value)
+{
+    hints.insert(key, value);
+}
+
+ulong EditorElementData::getBytes() const
+{
+    return bytes;
+}
+
+void EditorElementData::setBytes(const ulong &value)
+{
+    bytes = value;
+}
+
+ulong EditorElementData::getBits() const
+{
+    return bits;
+}
+
+void EditorElementData::setBits(const ulong &value)
+{
+    bits = value;
+}
+
+bool EditorElementData::isData() const
+{
+    return data;
+}
+
+void EditorElementData::setData(bool value)
+{
+    data = value;
+}
+
+bool EditorElementData::isNextLayer() const
+{
+    return nextLayer;
+}
+
+void EditorElementData::setNextLayer(bool value)
+{
+    nextLayer = value;
+}
+
+bool EditorElementData::isOptional() const
+{
+    return optional;
+}
+
+void EditorElementData::setOptional(bool value)
+{
+    optional = value;
+}
+
diff --git a/src/editor/editorelementdata.h b/src/editor/editorelementdata.h
index 598f7b6..5189dd1 100644
--- a/src/editor/editorelementdata.h
+++ b/src/editor/editorelementdata.h
@@ -1,22 +1,71 @@
 #ifndef EDITORELEMENT_H
 #define EDITORELEMENT_H
-#include <QObject>
 #include <QString>
 #include <QMap>
+#include <QList>
+
+enum class ValueType {
+    BIN,OCT,DEC,HEX,TXT
+};
 
 
-
-class EditorElementData : public QObject
+class EditorElementData
 {
-	Q_OBJECT
 public:
 
     explicit EditorElementData();
-    ~EditorElementData();
+    virtual ~EditorElementData();
 
 
+    QString getTitle() const;
+    void setTitle(const QString &value);
+
+    QString getId() const;
+    void setId(const QString &value);
+
+    QList<QString> getSyntaxes() const;
+    void setSyntaxes(const QList<QString> &value);
+
+    bool isMultiLine() const;
+    void setIsMultiLine(bool value);
+
+    ValueType getType() const;
+    void setType(const ValueType &value);
+
+    QString getRegex() const;
+    void setRegex(const QString &value);
+
+    QMap<QString, QString> getHints() const;
+    void setHint(const QString &key, const QString &value);
+
+    ulong getBytes() const;
+    void setBytes(const ulong &value);
+
+    ulong getBits() const;
+    void setBits(const ulong &value);
+
+    bool isData() const;
+    void setData(bool value);
+
+    bool isNextLayer() const;
+    void setNextLayer(bool value);
+
+    bool isOptional() const;
+    void setOptional(bool value);
+
 private:
-    QMap<QString, QString> elements;
+    QString title;
+    QString id;
+    QList<QString> syntaxes;
+    bool multiline;
+    ValueType type;
+    ulong bytes;
+    ulong bits;
+    QString regex;
+    QMap<QString, QString> hints;
+    bool data;
+    bool nextLayer;
+    bool optional;
 
 };
 
diff --git a/src/editor/editorgroup.cpp b/src/editor/editorgroup.cpp
deleted file mode 100644
index 0726503..0000000
--- a/src/editor/editorgroup.cpp
+++ /dev/null
@@ -1,8 +0,0 @@
-#include "editorgroup.h"
-#include "cstdlib"
-#include <QColor>
-
-EditorGroup::EditorGroup(QObject *parent) : QObject(parent)
-{
-
-}
diff --git a/src/editor/editorgroup.h b/src/editor/editorgroup.h
deleted file mode 100644
index b457c9a..0000000
--- a/src/editor/editorgroup.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#ifndef GUIDEDEDITORLAYER_H
-#define GUIDEDEDITORLAYER_H
-
-#include <QObject>
-#include <QString>
-#include <QColor>
-
-#include "editorelementdata.h"
-
-class EditorGroup : public QObject
-{
-	Q_OBJECT
-public:
-    explicit EditorGroup(QObject *parent = 0);
-
-private:
-    QMap<QString, QString> attributes;
-    QList<EditorElementData*> elements;
-
-
-
-signals:
-
-public slots:
-};
-
-#endif // GUIDEDEDITORLAYER_H
diff --git a/src/editor/editormodel.cpp b/src/editor/editormodel.cpp
deleted file mode 100644
index 8650dcd..0000000
--- a/src/editor/editormodel.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-#include "editormodel.h"
-
-EditorModel::EditorModel(QObject *parent) : QObject(parent)
-{
-
-}
-
diff --git a/src/editor/editormodel.h b/src/editor/editormodel.h
deleted file mode 100644
index 70914fd..0000000
--- a/src/editor/editormodel.h
+++ /dev/null
@@ -1,35 +0,0 @@
-#ifndef ABSTRACTGUIDEDEDITORMODEL_H
-#define ABSTRACTGUIDEDEDITORMODEL_H
-
-#include <cstdlib>
-#include <QObject>
-#include <memory>
-#include <list>
-#include "editorelementdata.h"
-#include "editorgroup.h"
-
-class EditorModel : public QObject
-{
-	Q_OBJECT
-public:
-    explicit EditorModel(QObject *parent = 0);
-    virtual ~EditorModel();
-
-	virtual uint getCount()=0;
-	virtual EditorElementData& getElement(uint index) = 0;
-	virtual void setElementValue(const uint index, const QString value)= 0;
-
-    virtual const std::list<EditorElementData>& getAllElements() = 0;
-
-signals:
-	void dataChanged();
-	void dataChanged(uint index);
-
-public slots:
-private:
-    QList<EditorElementData*> data;
-    QList<EditorGroup*> groups;
-
-};
-
-#endif // ABSTRACTGUIDEDEDITORMODEL_H
diff --git a/src/editor/editortreenode.cpp b/src/editor/editortreenode.cpp
index 1504870..f27c072 100644
--- a/src/editor/editortreenode.cpp
+++ b/src/editor/editortreenode.cpp
@@ -1,7 +1,9 @@
 #include "editortreenode.h"
 
 template <typename T>
-EditorTreeNode<T>::EditorTreeNode() {}
+EditorTreeNode<T>::EditorTreeNode() {
+    parentNode = nullptr;
+}
 
 template <typename T>
 EditorTreeNode<T>::EditorTreeNode(T v)
@@ -18,7 +20,7 @@ EditorTreeNode<T>::~EditorTreeNode()
 }
 
 template <typename T>
-const EditorTreeNode<T>* EditorTreeNode<T>::nextSibling()
+const std::shared_ptr<EditorTreeNode<T> > EditorTreeNode<T>::nextSibling()
 {
     if (parent() != nullptr) {
         uint i = parent()->children().indexOf(this);
@@ -31,7 +33,7 @@ const EditorTreeNode<T>* EditorTreeNode<T>::nextSibling()
 }
 
 template <typename T>
-const EditorTreeNode<T>* EditorTreeNode<T>::next(TreeWalkStrategy walkStrategy)
+const std::shared_ptr<EditorTreeNode<T>> EditorTreeNode<T>::next(TreeWalkStrategy walkStrategy)
 {
     if (walkStrategy == TreeWalkStrategy::mixture)
         // choose node, work through all siblings, choose next node, but don't change branches more than one parent away, except branch is at an end.
@@ -84,37 +86,37 @@ const EditorTreeNode<T>* EditorTreeNode<T>::next(TreeWalkStrategy walkStrategy)
 }
 
 template <typename T>
-const EditorTreeNode<T>* EditorTreeNode<T>::getRoot()
+const std::shared_ptr<EditorTreeNode<T>> EditorTreeNode<T>::getRoot()
 {
-    auto node = this;
+    auto node = std::shared_ptr<EditorTreeNode<T>>(this);
     while (node->parent() != nullptr)
         node = node->parent();
     return node;
 }
 
 template <typename T>
-void EditorTreeNode<T>::move(EditorTreeNode<T>* to)
+void EditorTreeNode<T>::move(std::shared_ptr<EditorTreeNode<T>> to)
 {
     this->parent()->children().removeOne(this);
     to->children().append(this);
 }
 
 template <typename T>
-void EditorTreeNode<T>::moveChildren(EditorTreeNode<T>* to)
+void EditorTreeNode<T>::moveChildren(std::shared_ptr<EditorTreeNode<T>> to)
 {
     for (auto child : childrenNodes)
         child->move(to);
 }
 
 template <typename T>
-void EditorTreeNode<T>::addChild(EditorTreeNode<T>* child)
+void EditorTreeNode<T>::addChild(std::shared_ptr<EditorTreeNode<T>> child)
 {
     this->children().append(child);
     child->setParen(this);
 }
 
 template <typename T>
-bool EditorTreeNode<T>::removeChild(EditorTreeNode<T>* child)
+bool EditorTreeNode<T>::removeChild(std::shared_ptr<EditorTreeNode<T>> child)
 {
     return this->children().removeOne(child);
 }
@@ -136,7 +138,7 @@ bool EditorTreeNode<T>::remove()
 }
 
 template <typename T>
-EditorTreeNode<T>* EditorTreeNode<T>::nextOnSameLevel()
+std::shared_ptr<EditorTreeNode<T>> EditorTreeNode<T>::nextOnSameLevel()
 {
     if (nextSibling() != nullptr)
         return nextSibling();
diff --git a/src/editor/editortreenode.h b/src/editor/editortreenode.h
index b1dfa43..49c3198 100644
--- a/src/editor/editortreenode.h
+++ b/src/editor/editortreenode.h
@@ -2,12 +2,9 @@
 #define EDITORTREENODE_H
 
 #include <QList>
+#include <memory>
+#include <functional>
 
-enum class TreeWalkStrategy {
-    depthFirst,
-    breadthFirst,
-    mixture
-};
 
 template <typename T>
 class EditorTreeNode;
@@ -17,34 +14,43 @@ class EditorTreeNode {
 public:
     explicit EditorTreeNode();
     explicit EditorTreeNode(T v);
-    ~EditorTreeNode();
+    virtual ~EditorTreeNode();
 
-    const EditorTreeNode<T>* nextSibling();
-    const EditorTreeNode<T>* parent() { return parentNode; }
-    QList<EditorTreeNode<T>*>& children() { return childrenNodes; }
-    void setParen(EditorTreeNode<T>* parent) { this->parentNode = parent; }
+
+    const std::shared_ptr<EditorTreeNode<T>> nextSibling();
+    const std::shared_ptr<EditorTreeNode<T>> parent() { return parentNode; }
+    QList<std::shared_ptr<EditorTreeNode<T>>>& children() { return childrenNodes; }
+    void setParen(std::shared_ptr<EditorTreeNode<T>> parent) { this->parentNode = parent; }
 
     T& value() { return val; }
+    void setValue(const T &val);
 
-    const EditorTreeNode<T>* next(TreeWalkStrategy depth_first = TreeWalkStrategy::depthFirst);
-    const EditorTreeNode<T>* getRoot();
-    void move(EditorTreeNode<T>* to); // as child!
-    void moveChildren(EditorTreeNode<T>* to); // move all children
+    const std::shared_ptr<EditorTreeNode<T>> next(TreeWalkStrategy depth_first = TreeWalkStrategy::depthFirst);
+    const std::shared_ptr<EditorTreeNode<T>> getRoot();
+    void move(std::shared_ptr<EditorTreeNode<T>> to); // as child!
+    void moveChildren(std::shared_ptr<EditorTreeNode<T>> to); // move all children
 
-//signals:
-    void nodeDataChanged(EditorTreeNode<T>* node);
-    void treeChanged(EditorTreeNode<T>* node);
-
-//public slots:
-    void addChild(EditorTreeNode<T>* child);
-    bool removeChild(EditorTreeNode<T>* child);
+    void addChild(std::shared_ptr<EditorTreeNode<T>> child);
+    bool removeChild(std::shared_ptr<EditorTreeNode<T>> child);
     bool remove();
-//*/
+
+    void setDataChangedSignal(std::function<void(std::shared_ptr<EditorTreeNode<T>>)> f)
+    {
+        nodeDataChanged = f;
+    }
+    void setTreeChangedSignal(std::function<void(std::shared_ptr<EditorTreeNode<T>>)> f)
+    {
+        treeChanged = f;
+    }
+
 private:
+    //signal callbacks only set in the root node
+    std::function<void(std::shared_ptr<EditorTreeNode<T>>)> nodeDataChanged;
+    std::function<void(std::shared_ptr<EditorTreeNode<T>>)> treeChanged;
     T val;
-    EditorTreeNode<T>* parentNode = nullptr;
-    QList<EditorTreeNode<T>*> childrenNodes;
-    EditorTreeNode<T>* nextOnSameLevel();
+    std::shared_ptr<EditorTreeNode<T>> parentNode = nullptr;
+    QList<std::shared_ptr<EditorTreeNode<T>>> childrenNodes;
+    std::shared_ptr<EditorTreeNode<T>> nextOnSameLevel();
 };
 
 #endif // EDITORTREENODE_H
diff --git a/src/editor/guidededitorelementview.cpp b/src/editor/guidededitorelementview.cpp
index 6c4cc4d..939a592 100644
--- a/src/editor/guidededitorelementview.cpp
+++ b/src/editor/guidededitorelementview.cpp
@@ -1,5 +1,6 @@
 #include "guidededitorelementview.h"
 
+#include "flowlayout.h"
 #include <QLabel>
 #include <QRegExp>
 #include <QRegExpValidator>
@@ -8,23 +9,116 @@
 
 #include <iostream>
 
+GuidedEditorElementView::GuidedEditorElementView(const std::shared_ptr<EditorNode> &ref, QWidget* parent)
+    : GuidedEditorElementView(parent)
+{
+    this->setReference(ref);
+}
 GuidedEditorElementView::GuidedEditorElementView(QWidget* parent)
     : QWidget(parent)
 {
+    this->validator = new QRegExpValidator();
     this->layout = new QVBoxLayout(this);
-
     this->setLayout(layout);
+    this->edit = nullptr;
+    this->line = nullptr;
+    this->title = new QLabel(this);
 }
 
 void GuidedEditorElementView::render()
 {
-    for (QWidget* w : this->propertyViews.values())
-        this->layout->removeWidget(w);
-    for (QString prop : this->propertyOrder) {
-        this->layout->addWidget(this->propertyViews[prop]);
+    // TODO: add possibility to collapse a subtree
+    for (QObject* w : this->children())
+        if (w->isWidgetType()) {
+            this->layout->removeWidget((QWidget*)w);
+        }
+
+    //title
+    title->setText(reference->getData()->getTitle());
+    layout->addWidget(title);
+
+    if (reference->getChildren().size() == 0) {
+        // need global information about showing syntax, and other hints
+
+        if (reference->getData()->isMultiLine()) {
+            layout->addWidget(edit);
+        } else {
+            layout->addWidget(line);
+        }
+    } else {
+        //create container for subelements
+        if (subContainer == nullptr) {
+            subContainer = new QWidget(this);
+            FlowLayout* flayout = new FlowLayout(subContainer);
+            //create and render subelementviews! this is DEPTH_FIRST!!! TODO: make this breadth first!
+            for (std::shared_ptr<EditorNode> node : reference->getChildren()) {
+                GuidedEditorElementView* view = new GuidedEditorElementView(subContainer);
+                view->setReference(node);
+                flayout->addWidget(view);
+                view->render();
+            }
+        }
+        layout->addWidget(subContainer);
+    }
+}
+
+void GuidedEditorElementView::inputChanged()
+{
+    // run regex validation
+    if (!validator->regExp().isEmpty()) {
+        int pos;
+        QValidator::State state;
+        if (edit != nullptr) {
+            QString data = edit->document()->toPlainText();
+            state = validator->validate(data, pos);
+            if (state == QValidator::State::Invalid) {
+                edit->setTextColor(QColor(0xFF, 0, 0));
+            } else if (state == QValidator::State::Intermediate) {
+                edit->setTextColor(QColor(0xFF, 0xFF, 0));
+            } else {
+                line->setStyleSheet("color: #000000");
+            }
+        }
+        if (line != nullptr) {
+            QString data = line->text();
+            state = validator->validate(data, pos);
+            if (state == QValidator::State::Invalid) {
+                line->setStyleSheet("color: #FF0000");
+            } else if (state == QValidator::State::Intermediate) {
+                line->setStyleSheet("color: #FFFF00");
+            } else {
+                line->setStyleSheet("color: #000000");
+            }
+        }
     }
 }
 
 void GuidedEditorElementView::dataChanged()
 {
+    //should be reload!
+    this->render();
+}
+
+void GuidedEditorElementView::nodeChanged()
+{
+    this->render();
+}
+
+std::shared_ptr<EditorNode> GuidedEditorElementView::getReference() const
+{
+    return reference;
+}
+
+void GuidedEditorElementView::setReference(const std::shared_ptr<EditorNode>& value)
+{
+    reference = value;
+    QRegExp r(reference->getData()->getRegex());
+    validator->setRegExp(r);
+    if (reference->getData()->isMultiLine()) {
+        edit = new QTextEdit(this);
+        this->connect(edit, &QTextEdit::textChanged, this, &GuidedEditorElementView::dataChanged);
+    } else {
+        line = new QLineEdit(this);
+        this->connect(line, &QLineEdit::textChanged, this, &GuidedEditorElementView::dataChanged);
+    }
 }
diff --git a/src/editor/guidededitorelementview.h b/src/editor/guidededitorelementview.h
index 9da5b30..57f5ee3 100644
--- a/src/editor/guidededitorelementview.h
+++ b/src/editor/guidededitorelementview.h
@@ -7,33 +7,40 @@
 #include <QList>
 #include <QVBoxLayout>
 #include <QWidget>
+#include <QTextEdit>
 #include <memory>
 
 #include "editorelementdata.h"
-#include "editorgroup.h"
-#include "guidededitorgroupview.h"
+#include "EditorNode.h"
 
 class GuidedEditorElementView : public QWidget {
     Q_OBJECT
 public:
+    explicit GuidedEditorElementView(const std::shared_ptr<EditorNode> &ref,QWidget* parent = 0);
     explicit GuidedEditorElementView(QWidget* parent = 0);
 
-    void render();
+
+    std::shared_ptr<EditorNode> getReference() const;
+    void setReference(const std::shared_ptr<EditorNode> &value);
 
 signals:
-    void inputChanged();
 
 public slots:
+    void inputChanged();
     void dataChanged();
+    void nodeChanged();
+    void render();
 
 private:
     // layout
     QVBoxLayout* layout;
-    QList<QString> propertyOrder;
-    QMap<QString, QWidget*> propertyViews;
-    GuidedEditorGroupView* groupView;
-    EditorGroup* group;
-    EditorElementData* elementData;
+    QLabel* title;
+    QTextEdit* edit;
+    QLineEdit* line;
+    QMap<QString, QWidget*> otherWidgets;
+    QRegExpValidator* validator;
+    QWidget* subContainer;
+    std::shared_ptr<EditorNode> reference;
 };
 
 #endif // GUIDEDEDITORELEMENTVIEW_H
diff --git a/src/editor/guidededitorgroupview.cpp b/src/editor/guidededitorgroupview.cpp
deleted file mode 100644
index e2626bc..0000000
--- a/src/editor/guidededitorgroupview.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-#include "guidededitorgroupview.h"
-
-GuidedEditorGroupView::GuidedEditorGroupView(QObject* parent)
-    : QObject(parent)
-{
-    this->color = new QColor(rand() % 20 * 10 + 50, rand() % 20 * 10 + 50, rand() % 20 * 10 + 50);
-}
diff --git a/src/editor/guidededitorgroupview.h b/src/editor/guidededitorgroupview.h
deleted file mode 100644
index 637e7c2..0000000
--- a/src/editor/guidededitorgroupview.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#ifndef GUIDEDEDITORGROUPVIEW_H
-#define GUIDEDEDITORGROUPVIEW_H
-
-#include <QColor>
-#include <QObject>
-class GuidedEditorGroupView : public QObject {
-    Q_OBJECT
-public:
-    explicit GuidedEditorGroupView(QObject* parent = 0);
-
-signals:
-
-public slots:
-
-private:
-    QColor* color;
-    QString stylesheet;
-};
-
-#endif // GUIDEDEDITORGROUPVIEW_H
diff --git a/src/editor/guidededitorview.cpp b/src/editor/guidededitorview.cpp
index 132497a..57ceef5 100644
--- a/src/editor/guidededitorview.cpp
+++ b/src/editor/guidededitorview.cpp
@@ -24,11 +24,11 @@ GuidedEditorView::GuidedEditorView(QWidget* parent)
 }
 
 GuidedEditorView::GuidedEditorView(
-    EditorModel* model,
+        EditorTree* tree,
     QWidget* parent)
     : GuidedEditorView(parent)
 {
-    this->model = model;
+    this->tree = tree;
 }
 
 GuidedEditorView::~GuidedEditorView() {}
@@ -40,3 +40,37 @@ void GuidedEditorView::addElement(EditorElementData* element)
     this->layout()->addWidget(elementView);
     //this->update();
 }
+
+void GuidedEditorView::setTree(EditorTree* tree)
+{
+    this->tree = tree;
+
+}
+
+void GuidedEditorView::treeDataChangedSlot(std::shared_ptr<EditorNode> node)
+{
+    // get node view
+    auto view = nodeToViewMap[node];
+    if(view != nullptr)
+        view->dataChanged();
+}
+
+void GuidedEditorView::treeChangedSlot(std::shared_ptr<EditorNode> node)
+{
+    // get node view
+    auto view = nodeToViewMap[node];
+    if(view != nullptr)
+        view->nodeChanged();
+}
+
+void GuidedEditorView::render()
+{
+    if(tree != nullptr) {
+        // root node is invisible!
+        for(std::shared_ptr<EditorNode> node : tree->getRoot()->getChildren()){
+            auto view = new GuidedEditorElementView(node, this);
+            this->editorLayout->addWidget(view);
+            this->nodeToViewMap.insert(node, view);
+        }
+    }
+}
diff --git a/src/editor/guidededitorview.h b/src/editor/guidededitorview.h
index d50d5e8..46f04d7 100644
--- a/src/editor/guidededitorview.h
+++ b/src/editor/guidededitorview.h
@@ -1,8 +1,8 @@
 #ifndef GUIDEDEDITOR_H
 #define GUIDEDEDITOR_H
-
-#include "editormodel.h"
+#include "EditorTree.h"
 #include "editorelementdata.h"
+#include "guidededitorelementview.h"
 #include "flowlayout.h"
 #include <QWidget>
 #include <memory>
@@ -11,18 +11,25 @@ class GuidedEditorView : public QWidget {
     Q_OBJECT
 public:
     explicit GuidedEditorView(QWidget* parent = 0);
-    GuidedEditorView(EditorModel* model,
-        QWidget* parent = 0);
+    explicit GuidedEditorView(EditorTree* tree, QWidget* parent = 0);
     ~GuidedEditorView();
 
 signals:
 
 public slots:
     void addElement(EditorElementData* element);
+    void setTree(EditorTree* tree);
+
+    void treeDataChangedSlot(std::shared_ptr<EditorNode> node);
+    void treeChangedSlot(std::shared_ptr<EditorNode> node);
+
+    void render();
 
 private:
     FlowLayout* editorLayout;
-    EditorModel* model;
+    EditorTree* tree;
+    QMap<std::shared_ptr<EditorNode>, GuidedEditorElementView*> nodeToViewMap;
+
 };
 
 #endif // GUIDEDEDITOR_H
diff --git a/src/protocol/CMakeLists.txt b/src/protocol/CMakeLists.txt
new file mode 100644
index 0000000..f6bea84
--- /dev/null
+++ b/src/protocol/CMakeLists.txt
@@ -0,0 +1,10 @@
+set(HEADERS DataLoader.h
+)
+
+set(SOURCES DataLoader.cpp
+
+)
+
+add_library(protocol ${HEADERS} ${SOURCES})
+
+qt5_use_modules(protocol Core)
diff --git a/src/protocol/DataLoader.cpp b/src/protocol/DataLoader.cpp
new file mode 100644
index 0000000..6a4194a
--- /dev/null
+++ b/src/protocol/DataLoader.cpp
@@ -0,0 +1,107 @@
+#include "DataLoader.h"
+
+#include <QDir>
+
+DataLoader::DataLoader()
+{
+
+}
+
+DataLoader::DataLoader(QString directory)
+{
+
+}
+
+void DataLoader::loadProtocolDirectory(QString directory)
+{
+    // awaiting
+    QDir dir(directory);
+    QStringList filters;
+    filters  << "*osi*";
+    for(QString entry : dir.entryList(filters)){
+        if(QDir(entry).exists()) {
+            QDir cdir(entry);
+            QStringList ymlfilter;
+            ymlfilter << "*.yml";
+            for(QString file : cdir.entryList(ymlfilter)){
+                YAML::Node node = YAML::LoadFile(
+                            QString(directory + QDir::separator() + entry + QDir::separator() + file).toStdString());
+                protocolList.append(node);
+            }
+        }
+    }
+}
+
+std::shared_ptr<EditorNode> DataLoader::generateTree(YAML::Node &node)
+{
+    if(!node["protocol"])
+        return nullptr;
+
+    // root node containing the protocol.
+    std::shared_ptr<EditorNode> editorNode = std::shared_ptr<EditorNode>(new EditorNode());
+    std::shared_ptr<EditorElementData> data = std::shared_ptr<EditorElementData>(new EditorElementData());
+
+    data->setTitle(QString::fromStdString(node["protocol"]["name"].as<std::string>()));
+    if(node["protocol"]["longname"])
+        data->setHint("subtitle", QString::fromStdString(node["protocol"]["longname"].as<std::string>()));
+    editorNode->setData(data);
+    // add children containing the fields
+    auto fields = node["protocol"]["fields"];
+    for(YAML::Node n : fields) {
+        this->genNode(n, editorNode);
+    }
+    return editorNode;
+}
+
+bool DataLoader::getProtocolByName(QString name, YAML::Node &node)
+{
+    for(YAML::Node n : protocolList) {
+        if(n["protocol"]) {
+            if(name.toStdString().compare(n["protocol"]["name"].as<std::string>())) {
+                node = n;
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+QStringList DataLoader::getProtocolNames()
+{
+    QStringList names;
+    for(YAML::Node node : protocolList) {
+        if(node["protocol"]) {
+            names << QString::fromStdString(node["protocol"]["name"].as<std::string>());
+        }
+    }
+    return names;
+}
+
+std::shared_ptr<EditorNode> DataLoader::genNode(YAML::Node &n, std::shared_ptr<EditorNode> parent)
+{
+
+    std::shared_ptr<EditorNode> newNode = std::shared_ptr<EditorNode>(new EditorNode());
+    newNode->setParent(parent);
+    std::shared_ptr<EditorElementData> newData = std::shared_ptr<EditorElementData>(new EditorElementData());
+    newData->setTitle(QString::fromStdString(n["field"].as<std::string>()));
+    if(n["desc"])
+        newData->setHint("desc", QString::fromStdString(n["desc"].as<std::string>()));
+    if(n["bytes"])
+        newData->setBytes(n["bytes"].as<ulong>());
+    else if (n["bits"])
+        newData->setBits(n["bits"].as<ulong>());
+    if(n["data"])
+        newData->setData(n["data"].as<bool>());
+    if(n["optional"])
+        newData->setOptional(n["data"].as<bool>());
+    if(n["nextlayer"])
+        newData->setNextLayer(n["nextlayer"].as<bool>());
+    newNode->setData(newData);
+    if(n["subfields"])
+    {
+        auto fields = n["subfields"];
+        for(YAML::Node subn : fields)
+            newNode->addChild(this->genNode(subn, newNode));
+    }
+    return newNode;
+}
diff --git a/src/protocol/DataLoader.h b/src/protocol/DataLoader.h
new file mode 100644
index 0000000..a236aad
--- /dev/null
+++ b/src/protocol/DataLoader.h
@@ -0,0 +1,31 @@
+#ifndef DATALOADER_H
+#define DATALOADER_H
+
+#include <yaml-cpp/yaml.h>
+
+#include <QString>
+#include <QList>
+
+#include "../editor/EditorNode.h"
+
+
+class DataLoader {
+public:
+    explicit DataLoader();
+    explicit DataLoader(QString directory);
+
+    void loadProtocolDirectory(QString directory);
+
+    std::shared_ptr<EditorNode> generateTree(YAML::Node &node);
+
+    bool getProtocolByName(QString name, YAML::Node &node);
+    QStringList getProtocolNames();
+
+private:
+    std::shared_ptr<EditorNode> genNode(YAML::Node& n, std::shared_ptr<EditorNode> parent = nullptr);
+    QString directory;
+    QList<YAML::Node> protocolList;
+};
+
+
+#endif // DATALOADER_H