diff --git a/Undo.h b/Undo.h
new file mode 100644
index 0000000..e4ad16d
--- /dev/null
+++ b/Undo.h
@@ -0,0 +1,21 @@
+#ifndef UNDO_H
+#define UNDO_H
+
+#include <QUndoCommand>
+#include <QLineEdit>
+
+class LineEditCommand : public QUndoCommand {
+public:
+    LineEditCommand(QLineEdit* edit, const QString& oldText, const QString& newText)
+        : m_edit(edit), m_oldText(oldText), m_newText(newText) {}
+
+    void undo() override { m_edit->setText(m_oldText); }
+    void redo() override { m_edit->setText(m_newText); }
+
+private:
+    QLineEdit* m_edit;
+    QString m_oldText;
+    QString m_newText;
+};
+
+#endif // UNDO_H
diff --git a/data/images/d.json b/data/images/d.json
new file mode 100644
index 0000000..e69de29
diff --git a/data/parcours2.json b/data/parcours2.json
index 08f7f8f..8e4e563 100644
--- a/data/parcours2.json
+++ b/data/parcours2.json
@@ -1,44 +1,75 @@
 {
-	"name": "parcours2",
-	"city": "Paris",
-	"departement": 1,
-	"difficulty": 2,
-	"duration": 2.3,
-	"length": 17.3,
-	"image": "../data/parcours1.png",
-	"steps": [
-		{
-			"numero": 1,
-			"title": "Première étape",
-			"GPS": "N 45 37.199 W 1 2.009",
-			"reponse": -1,
-			"dialogue": [
-				{
-					"personnage": "Quentin",
-					"texte": "ligne de dialogue 1 HJDDDZJJJJJJJJJJJJJJJJJJJDBJBDJZBZJDBJ"
-				},
-				{
-                                        "personnage": "Malo",
-                                        "texte": "ligne de dialogue 2BDJJHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHBDHDBHBZHVZDHVHVHEDHJVHVDHEDJD"
-				}
-			]
-		},
-		{
-                        "numero": 2,
-                        "title": "Deuxième étape",
-                        "GPS": "S 45 37.199 E 1 2.009",
-                        "reponse": 4156,
-                        "dialogue": [
-                                { 
-                                        "personnage": "Antoine",
-                                        "texte": "ligne de dialogue 1"
-                                },
-                                { 
-                                        "personnage": "Giovanni",
-                                        "texte": "ligne de dialogue 2"
-                                }
-                        ]
+    "city": "Bourg en Bresse",
+    "departement": "1",
+    "difficulty": 3,
+    "duration": 3.8,
+    "image": "data/parcours1.png",
+    "length": 24.6,
+    "name": "Chemin des",
+    "steps": [
+        {
+            "GPS": "N 46 12.321 E  5 13.245",
+            "dialogue": [
+                {
+                    "personnage": "Clémentine",
+                    "texte": "Bienvenue à tous, voici le centre historique !"
+                },
+                {
+                    "personnage": "Léo",
+                    "texte": "Regardez cette magnifique horloge, elle date du XIXe siècle !"
                 }
-	]
-
+            ],
+            "numero": 1,
+            "reponse": 0,
+            "title": "Départ au centre-ville"
+        },
+        {
+            "GPS": "N 46 12.500 E  5 13.800",
+            "dialogue": [
+                {
+                    "personnage": "Aurélie",
+                    "texte": "Ici, on trouve les meilleurs fromages de la région !"
+                },
+                {
+                    "personnage": "Sami",
+                    "texte": "Combien de colonnes vois-tu à l'entrée ?"
+                }
+            ],
+            "numero": 2,
+            "reponse": 6,
+            "title": "Marché couvert"
+        },
+        {
+            "GPS": "N 46 12.900 E  5 13.900",
+            "dialogue": [
+                {
+                    "personnage": "Juliette",
+                    "texte": "La Reyssouze apporte de la fraîcheur en été."
+                },
+                {
+                    "personnage": "Marc",
+                    "texte": "Regarde cette inscription ancienne sur la pierre, tu arrives à la lire ?"
+                }
+            ],
+            "numero": 3,
+            "reponse": 0,
+            "title": "Au bord de la Reyssouze"
+        },
+        {
+            "GPS": "N 46 13.024 E  5 14.160",
+            "dialogue": [
+                {
+                    "personnage": "Claire",
+                    "texte": "Voilà l'abbaye ! Admire l'architecture."
+                },
+                {
+                    "personnage": "Nathalie",
+                    "texte": "C'est ici la dernière étape. Observez bien la date !"
+                }
+            ],
+            "numero": 4,
+            "reponse": 1655,
+            "title": "Arrivée à l'abbaye"
+        }
+    ]
 }
diff --git a/mainwindow.cpp b/mainwindow.cpp
index e95726d..47b40a9 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1,19 +1,59 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include "path.h"
-
+#include "step.h"
+#include "Undo.h"
 #include <QFileDialog>
 #include <QMessageBox>
 #include <fstream>
+#include <QLineEdit>
+#include <QTimer>
+#include <QFile>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
 
 int MainWindow::indexPath = 0;
 
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
     , ui(new Ui::MainWindow)
+    , undoStack(new QUndoStack(this))
+    , Clipboard(QGuiApplication::clipboard())
 {
     ui->setupUi(this);
     indexPath++;
+    //currentPath = new Path();
+
+    connect(ui->titleEdit, &QLineEdit::editingFinished, this, [this]() {
+        static QString previousText;
+        QString currentText = ui->titleEdit->text();
+        if(previousText != currentText) {
+            undoStack->push(new LineEditCommand(ui->titleEdit, previousText, currentText));
+            previousText = currentText;
+        }
+    });
+
+    connect(ui->locEdit, &QLineEdit::editingFinished, this, [this]() {
+        static QString previousText;
+        QString currentText = ui->locEdit->text();
+        if(previousText != currentText) {
+            undoStack->push(new LineEditCommand(ui->locEdit, previousText, currentText));
+            previousText = currentText;
+        }
+    });
+
+    connect(ui->imagePath, &QLineEdit::editingFinished, this, [this]() {
+        static QString previousText;
+        QString currentText = ui->imagePath->text();
+        if(previousText != currentText) {
+            undoStack->push(new LineEditCommand(ui->imagePath, previousText, currentText));
+            previousText = currentText;
+        }
+    });
+
+    connect(ui->actionEditUndo, &QAction::triggered, undoStack, &QUndoStack::undo);
+    connect(ui->actionEditRedo, &QAction::triggered, undoStack, &QUndoStack::redo);
 }
 
 MainWindow::~MainWindow()
@@ -36,7 +76,7 @@ void MainWindow::onTextChanged()
     textChanged = true;
 }
 
-void MainWindow::loadPath()
+void MainWindow::loadNewPath()
 {
     QString fileName = QFileDialog::getOpenFileName(this, "Open the file");
     if(fileName.isEmpty()) return;
@@ -50,6 +90,19 @@ void MainWindow::loadPath()
     Path* p = new Path(&file);
     currentPath = p;
     path.append(p);
+    loadPath(p);
+    currentFile = fileName;
+
+    int pathCount = path.length();
+    ui->pathNumber->setMaximum(pathCount);
+    ui->pathNumber->setSuffix("/" + QString::number(pathCount));
+    ui->pathNumber->setValue(path.indexOf(currentPath)+1);
+}
+
+void MainWindow::loadPath(Path* p) {
+
+    QList<Step> steps = p->getStep();
+
 
     ui->titleEdit->setText(p->getName());
     ui->locEdit->setText(p->getCity());
@@ -57,8 +110,39 @@ void MainWindow::loadPath()
     ui->lengthSpin->setValue(p->getLength());
     ui->durationSpin->setValue(p->getDuration());
     ui->imagePath->setText(p->getImage());
-
+    ui->depSpin->setValue(p->getDepartement());
     loadImage(p->getImage());
+
+
+    ui->dialogEdit->clear();
+
+    if(!steps.isEmpty()) {
+        Step firstStep = p->getStep().first();
+        ui->stepTitle->setText(firstStep.getTitle());
+        ui->LatitudeSpin->setValue(firstStep.getLatitude());
+        ui->longitudeSpin->setValue(firstStep.getLongitude());
+
+        for(int i = 0; i < firstStep.getTexte().length(); i++) {
+            QString q = firstStep.getPersonnage().at(i) + ": " + firstStep.getTexte().at(i);
+            ui->dialogEdit->appendPlainText(q);
+        }
+
+        ui->stepNumber->setValue(1);
+        ui->stepNumber->setSuffix("/" + QString::number(steps.length()));
+        ui->stepNumber->setMaximum(steps.length());
+    }
+}
+
+void MainWindow::loadStep(Step s) {
+    ui->stepTitle->setText(s.getTitle());
+    ui->LatitudeSpin->setValue(s.getLatitude());
+    ui->longitudeSpin->setValue(s.getLongitude());
+    ui->responseSpin->setValue(s.getResponse());
+
+    for(int i = 0; i < s.getTexte().length(); i++) {
+        QString q = s.getPersonnage().at(i) + ": " + s.getTexte().at(i);
+        ui->dialogEdit->appendPlainText(q);
+    }
 }
 
 void MainWindow::addNewPath()
@@ -267,36 +351,35 @@ void MainWindow::exportHTMLMap(int index)
 
 
 void MainWindow::loadImage(QString fileName) {
-
     QString ext[] = {"png", "jpeg", "jpg"};
 
     QFile file(fileName);
     if (!file.open(QIODevice::ReadOnly | QFile::Text)) {
-        QMessageBox::warning(this, "Warning", "Cannot open file: " +
+        QMessageBox::warning(this, "Warning", "Cannot open image: " +
                                                   file.errorString());
-        return;
-    }
-    QString text = file.fileName();
 
-    bool acceptedExt = false;
-    for(QString e : ext) {
-        if(text.endsWith(e)) acceptedExt = true;
+    }else{
+        QString text = file.fileName();
+        bool acceptedExt = false;
+        for(QString e : ext) {
+            if(text.endsWith(e)) acceptedExt = true;
+        }
+        if(!acceptedExt) {
+            QMessageBox::warning(this, "Warning", "Format de fichier incorrect");
+            return;
+        }
+
+
+        ui->imagePath->setText(text);
+
+
+        QPixmap px(fileName);
+
+        ui->imageLbl->setPixmap(px);
+
+        file.close();
     }
 
-    if(!acceptedExt) {
-        QMessageBox::warning(this, "Warning", "Format de fichier incorrect");
-        return;
-    }
-
-
-    ui->imagePath->setText(text);
-
-
-    QPixmap px(fileName);
-
-    ui->imageLbl->setPixmap(px);
-
-    file.close();
 
 }
 
@@ -310,7 +393,7 @@ void MainWindow::on_pushButton_clicked()
 
 void MainWindow::on_actionOpen_triggered()
 {
-    this->loadPath();
+    this->loadNewPath();
 }
 
 void MainWindow::on_toolButton_clicked()
@@ -320,6 +403,7 @@ void MainWindow::on_toolButton_clicked()
     loadImage(fileName);
 }
 
+<<<<<<< mainwindow.cpp
 int MainWindow::getIndexPath() const
 {
     return indexPath;
@@ -358,5 +442,132 @@ Path *MainWindow::getCurrentPath() const
 void MainWindow::setCurrentPath(Path *newCurrentPath)
 {
     currentPath = newCurrentPath;
+=======
+
+void MainWindow::saveFile(){
+    QString fileName;
+    if (currentFile.isEmpty()) {
+        fileName = QFileDialog::getSaveFileName(this, "Save");
+        currentFile = fileName;
+    } else {
+        fileName = currentFile;
+    }
+    QFile file(fileName);
+    if (!file.open(QIODevice::WriteOnly | QFile::Text)) {
+        QMessageBox::warning(this, "Warning", "Cannot save file: " + file.errorString());
+        return;
+    }
+    setWindowTitle(fileName);
+    QJsonObject json;
+    json["name"] = ui->titleEdit->text();
+    json["city"] =ui->locEdit->text();
+    json["departement"] = ui->depSpin->text();
+    json["difficulty"] = ui->diffSpin->value();
+    json["duration"] = ui->durationSpin->value();
+    json["length"] = ui->lengthSpin->value();
+    json["image"] = ui->imagePath->text();
+
+    QJsonArray steps;
+    int cpt=0;
+    for(Step step: currentPath->getStep()){
+        cpt++;
+        QJsonObject stepObject;
+        stepObject["numero"] = cpt;
+        stepObject["title"] = step.getTitle();
+        stepObject["GPS"] = step.toGPSFormat();
+        stepObject["reponse"] = step.getResponse();
+        QJsonArray dialogues;
+        for(int i=0; i<step.getTexte().size(); i++){
+            QJsonObject dialogueObject;
+            dialogueObject["personnage"] = step.getPersonnage()[i];
+            dialogueObject["texte"] = step.getTexte()[i];
+            dialogues.append(dialogueObject);
+        }
+        stepObject["dialogue"] = dialogues;
+        steps.append(stepObject);
+    }
+    json["steps"] = steps;
+    QJsonDocument doc(json);
+    file.write(doc.toJson());
+
+    file.close();
+}
+
+void MainWindow::on_actionSave_triggered()
+{
+    this->saveFile();
+}
+
+void MainWindow::on_actionopenFile_triggered()
+{
+    this->loadNewPath();
+}
+
+void MainWindow::on_actionEditCopy_triggered()
+{
+    QWidget *focused = QApplication::focusWidget();
+    QLineEdit* lineEdit = qobject_cast<QLineEdit*>(focused);
+
+    if(lineEdit) {
+        Clipboard->setText(lineEdit->selectedText());
+    }
+}
+
+
+void MainWindow::on_actionEditPaste_triggered()
+{
+    QWidget *focused = QApplication::focusWidget();
+    QLineEdit* lineEdit = qobject_cast<QLineEdit*>(focused);
+
+    if(lineEdit) {
+        QString text = lineEdit->text();
+        int pos = lineEdit->cursorPosition();
+        text.insert(pos, Clipboard->text());
+        lineEdit->setText(text);
+    }
+}
+
+
+void MainWindow::on_actionEditCut_triggered()
+{
+    QWidget *focused = QApplication::focusWidget();
+    QLineEdit* lineEdit = qobject_cast<QLineEdit*>(focused);
+
+    if(lineEdit) {
+        QString text = lineEdit->text();
+        QString selectedText = lineEdit->selectedText();
+        int pos = lineEdit->selectionStart();
+        text.remove(pos, selectedText.length());
+        Clipboard->setText(selectedText);
+        lineEdit->setText(text);
+    }
+}
+
+
+void MainWindow::on_pathNumber_valueChanged(int arg1)
+{
+    this->loadPath(path.at(ui->pathNumber->value()-1));
+    currentPath = path.at(arg1-1);
+}
+
+
+void MainWindow::on_stepNumber_valueChanged(int arg1)
+{
+    this->loadStep(currentPath->getStep().at(arg1-1));
+}
+
+
+void MainWindow::on_validateBtn_clicked()
+{
+    currentPath->setName(ui->titleEdit->text());
+    currentPath->setCity(ui->locEdit->text());
+    currentPath->setImage(ui->imagePath->text());
+    currentPath->setLength(ui->lengthSpin->value());
+    currentPath->setDifficulty(ui->diffSpin->value());
+    currentPath->setDuration(ui->durationSpin->value());
+
+    currentPath->getStep()[ui->stepNumber->value()-1].setTitle(ui->stepTitle->text());
+    currentPath->getStep()[ui->stepNumber->value()-1].setResponse(ui->responseSpin->value());
+
 }
 
diff --git a/mainwindow.h b/mainwindow.h
index abe0783..84ff04c 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -2,7 +2,8 @@
 #define MAINWINDOW_H
 
 #include <QMainWindow>
-
+#include <QUndoStack>
+#include <QClipboard>
 #include "path.h"
 
 QT_BEGIN_NAMESPACE
@@ -21,7 +22,9 @@ public:
     void updatePathView();
     void updateStepView(size_t num);
     void onTextChanged();
-    void loadPath();
+    void loadNewPath();
+    void loadPath(Path* p);
+    void loadStep(Step s);
     void addNewPath();
     void addNewStep();
     void exportHTMLMap(int index);
@@ -35,6 +38,8 @@ public:
 
     int getIndexPath() const;
     void setIndexPath(int newIndexPath);
+    void exportHTMLMap();
+    void saveFile();
 
 private slots:
     void on_pushButton_clicked();
@@ -43,6 +48,22 @@ private slots:
 
     void on_toolButton_clicked();
 
+    void on_actionSave_triggered();
+
+    void on_actionopenFile_triggered();
+
+    void on_actionEditCopy_triggered();
+
+    void on_actionEditPaste_triggered();
+
+    void on_actionEditCut_triggered();
+
+    void on_pathNumber_valueChanged(int arg1);
+
+    void on_stepNumber_valueChanged(int arg1);
+
+    void on_validateBtn_clicked();
+
 private:
     Ui::MainWindow *ui;
     QString currentFile;
@@ -51,5 +72,7 @@ private:
     QList<Path*> path;
     Path* currentPath;
     void loadImage(QString fileName);
+    QUndoStack *undoStack;
+    QClipboard* Clipboard;
 };
 #endif // MAINWINDOW_H
diff --git a/mainwindow.ui b/mainwindow.ui
index 95edce2..d69d464 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -7,17 +7,41 @@
     <x>0</x>
     <y>0</y>
     <width>800</width>
-    <height>626</height>
+    <height>868</height>
    </rect>
   </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>0</width>
+    <height>0</height>
+   </size>
+  </property>
   <property name="windowTitle">
    <string>MainWindow</string>
   </property>
   <widget class="QWidget" name="centralwidget">
+   <property name="sizePolicy">
+    <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+     <horstretch>0</horstretch>
+     <verstretch>30</verstretch>
+    </sizepolicy>
+   </property>
+   <property name="minimumSize">
+    <size>
+     <width>0</width>
+     <height>0</height>
+    </size>
+   </property>
    <property name="maximumSize">
     <size>
      <width>800</width>
-     <height>521</height>
+     <height>1000</height>
     </size>
    </property>
    <layout class="QVBoxLayout" name="verticalLayout">
@@ -38,13 +62,16 @@
       <property name="text">
        <string>Path information</string>
       </property>
-      <property name="alignment">
-       <set>Qt::AlignmentFlag::AlignLeading|Qt::AlignmentFlag::AlignLeft|Qt::AlignmentFlag::AlignTop</set>
-      </property>
      </widget>
     </item>
     <item>
      <widget class="QFrame" name="frame">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
       <property name="maximumSize">
        <size>
         <width>16777215</width>
@@ -52,217 +79,230 @@
        </size>
       </property>
       <property name="frameShape">
-       <enum>QFrame::Shape::StyledPanel</enum>
+       <enum>QFrame::Shape::NoFrame</enum>
       </property>
-      <property name="frameShadow">
-       <enum>QFrame::Shadow::Raised</enum>
-      </property>
-      <widget class="QSpinBox" name="spinBox">
-       <property name="geometry">
-        <rect>
-         <x>10</x>
-         <y>20</y>
-         <width>45</width>
-         <height>27</height>
-        </rect>
-       </property>
-      </widget>
-      <widget class="QLineEdit" name="titleEdit">
-       <property name="geometry">
-        <rect>
-         <x>60</x>
-         <y>20</y>
-         <width>391</width>
-         <height>26</height>
-        </rect>
-       </property>
-      </widget>
-      <widget class="QWidget" name="widget" native="true">
-       <property name="geometry">
-        <rect>
-         <x>10</x>
-         <y>60</y>
-         <width>441</width>
-         <height>45</height>
-        </rect>
-       </property>
-       <layout class="QHBoxLayout" name="horizontalLayout">
-        <property name="leftMargin">
-         <number>0</number>
-        </property>
-        <property name="rightMargin">
-         <number>0</number>
-        </property>
-        <item>
-         <widget class="QLabel" name="label">
-          <property name="text">
-           <string>Localisation</string>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="QLineEdit" name="locEdit"/>
-        </item>
-        <item>
-         <widget class="QSpinBox" name="spinBox_2"/>
-        </item>
-       </layout>
-      </widget>
-      <widget class="QLabel" name="imageLbl">
-       <property name="geometry">
-        <rect>
-         <x>470</x>
-         <y>20</y>
-         <width>281</width>
-         <height>191</height>
-        </rect>
-       </property>
-       <property name="text">
-        <string/>
-       </property>
-      </widget>
-      <widget class="QWidget" name="widget_5" native="true">
-       <property name="geometry">
-        <rect>
-         <x>0</x>
-         <y>110</y>
-         <width>451</width>
-         <height>63</height>
-        </rect>
-       </property>
-       <layout class="QHBoxLayout" name="horizontalLayout_5">
-        <property name="leftMargin">
-         <number>0</number>
-        </property>
-        <property name="rightMargin">
-         <number>0</number>
-        </property>
-        <item>
-         <widget class="QWidget" name="widget_2" native="true">
-          <layout class="QHBoxLayout" name="horizontalLayout_2">
-           <item>
-            <widget class="QLabel" name="label_3">
-             <property name="text">
-              <string>Difficulty</string>
+      <layout class="QHBoxLayout" name="horizontalLayout_13">
+       <item>
+        <widget class="QWidget" name="widget_8" native="true">
+         <layout class="QVBoxLayout" name="verticalLayout_2">
+          <item>
+           <widget class="QWidget" name="widget_7" native="true">
+            <layout class="QHBoxLayout" name="horizontalLayout_12">
+             <item>
+              <widget class="QSpinBox" name="pathNumber">
+               <property name="minimum">
+                <number>1</number>
+               </property>
+               <property name="value">
+                <number>1</number>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QLineEdit" name="titleEdit"/>
+             </item>
+            </layout>
+           </widget>
+          </item>
+          <item>
+           <widget class="QWidget" name="widget" native="true">
+            <layout class="QHBoxLayout" name="horizontalLayout">
+             <property name="leftMargin">
+              <number>0</number>
              </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QSpinBox" name="diffSpin">
-             <property name="suffix">
-              <string>/5</string>
+             <property name="rightMargin">
+              <number>0</number>
              </property>
-             <property name="maximum">
-              <number>5</number>
+             <item>
+              <widget class="QLabel" name="label">
+               <property name="text">
+                <string>Localisation</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QLineEdit" name="locEdit"/>
+             </item>
+             <item>
+              <widget class="QSpinBox" name="depSpin"/>
+             </item>
+            </layout>
+           </widget>
+          </item>
+          <item>
+           <widget class="QWidget" name="widget_5" native="true">
+            <layout class="QHBoxLayout" name="horizontalLayout_5">
+             <property name="leftMargin">
+              <number>0</number>
              </property>
-            </widget>
-           </item>
-          </layout>
-         </widget>
-        </item>
-        <item>
-         <widget class="QWidget" name="widget_3" native="true">
-          <layout class="QHBoxLayout" name="horizontalLayout_3">
-           <item>
-            <widget class="QLabel" name="label_4">
-             <property name="text">
-              <string>Duration</string>
+             <property name="rightMargin">
+              <number>0</number>
              </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QDoubleSpinBox" name="durationSpin">
-             <property name="suffix">
-              <string>h</string>
+             <item>
+              <widget class="QWidget" name="widget_2" native="true">
+               <layout class="QHBoxLayout" name="horizontalLayout_2">
+                <property name="topMargin">
+                 <number>0</number>
+                </property>
+                <property name="bottomMargin">
+                 <number>0</number>
+                </property>
+                <item>
+                 <widget class="QLabel" name="label_3">
+                  <property name="text">
+                   <string>Difficulty</string>
+                  </property>
+                 </widget>
+                </item>
+                <item>
+                 <widget class="QSpinBox" name="diffSpin">
+                  <property name="suffix">
+                   <string>/5</string>
+                  </property>
+                  <property name="maximum">
+                   <number>5</number>
+                  </property>
+                 </widget>
+                </item>
+               </layout>
+              </widget>
+             </item>
+             <item>
+              <widget class="QWidget" name="widget_3" native="true">
+               <layout class="QHBoxLayout" name="horizontalLayout_3">
+                <property name="topMargin">
+                 <number>0</number>
+                </property>
+                <property name="bottomMargin">
+                 <number>0</number>
+                </property>
+                <item>
+                 <widget class="QLabel" name="label_4">
+                  <property name="text">
+                   <string>Duration</string>
+                  </property>
+                 </widget>
+                </item>
+                <item>
+                 <widget class="QDoubleSpinBox" name="durationSpin">
+                  <property name="suffix">
+                   <string>h</string>
+                  </property>
+                  <property name="decimals">
+                   <number>1</number>
+                  </property>
+                  <property name="singleStep">
+                   <double>0.100000000000000</double>
+                  </property>
+                 </widget>
+                </item>
+               </layout>
+              </widget>
+             </item>
+             <item>
+              <widget class="QWidget" name="widget_4" native="true">
+               <layout class="QHBoxLayout" name="horizontalLayout_4">
+                <property name="topMargin">
+                 <number>0</number>
+                </property>
+                <property name="bottomMargin">
+                 <number>0</number>
+                </property>
+                <item>
+                 <widget class="QLabel" name="label_5">
+                  <property name="text">
+                   <string>Length</string>
+                  </property>
+                 </widget>
+                </item>
+                <item>
+                 <widget class="QDoubleSpinBox" name="lengthSpin">
+                  <property name="suffix">
+                   <string>Km</string>
+                  </property>
+                  <property name="decimals">
+                   <number>1</number>
+                  </property>
+                  <property name="maximum">
+                   <double>500.000000000000000</double>
+                  </property>
+                  <property name="singleStep">
+                   <double>0.100000000000000</double>
+                  </property>
+                 </widget>
+                </item>
+               </layout>
+              </widget>
+             </item>
+            </layout>
+           </widget>
+          </item>
+          <item>
+           <widget class="QWidget" name="widget_6" native="true">
+            <layout class="QHBoxLayout" name="horizontalLayout_6">
+             <property name="leftMargin">
+              <number>9</number>
              </property>
-             <property name="decimals">
-              <number>1</number>
+             <property name="rightMargin">
+              <number>0</number>
              </property>
-             <property name="singleStep">
-              <double>0.100000000000000</double>
-             </property>
-            </widget>
-           </item>
-          </layout>
-         </widget>
-        </item>
-        <item>
-         <widget class="QWidget" name="widget_4" native="true">
-          <layout class="QHBoxLayout" name="horizontalLayout_4">
-           <item>
-            <widget class="QLabel" name="label_5">
-             <property name="text">
-              <string>Length</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QDoubleSpinBox" name="lengthSpin">
-             <property name="suffix">
-              <string>Km</string>
-             </property>
-             <property name="decimals">
-              <number>1</number>
-             </property>
-             <property name="maximum">
-              <double>500.000000000000000</double>
-             </property>
-             <property name="singleStep">
-              <double>0.100000000000000</double>
-             </property>
-            </widget>
-           </item>
-          </layout>
-         </widget>
-        </item>
-       </layout>
-      </widget>
-      <widget class="QWidget" name="widget_6" native="true">
-       <property name="geometry">
-        <rect>
-         <x>0</x>
-         <y>180</y>
-         <width>451</width>
-         <height>44</height>
-        </rect>
-       </property>
-       <layout class="QHBoxLayout" name="horizontalLayout_6">
-        <property name="leftMargin">
-         <number>9</number>
-        </property>
-        <property name="rightMargin">
-         <number>0</number>
-        </property>
-        <item>
-         <widget class="QLabel" name="label_6">
-          <property name="text">
-           <string>Image</string>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="QLineEdit" name="imagePath"/>
-        </item>
-        <item>
-         <widget class="QToolButton" name="toolButton">
-          <property name="text">
-           <string>...</string>
-          </property>
-          <property name="icon">
-           <iconset resource="build/Desktop_Qt_6_9_1-Debug/data.qrc">
-            <normaloff>:/data/images/data/images/add.png</normaloff>:/data/images/data/images/add.png</iconset>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="QPushButton" name="pushButton">
-          <property name="text">
-           <string>Select Image File</string>
-          </property>
-         </widget>
-        </item>
-       </layout>
-      </widget>
+             <item>
+              <widget class="QLabel" name="label_6">
+               <property name="text">
+                <string>Image</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QLineEdit" name="imagePath"/>
+             </item>
+             <item>
+              <widget class="QToolButton" name="toolButton">
+               <property name="text">
+                <string>...</string>
+               </property>
+               <property name="icon">
+                <iconset resource="data.qrc">
+                 <normaloff>:/data/images/data/images/add.png</normaloff>:/data/images/data/images/add.png</iconset>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QPushButton" name="pushButton">
+               <property name="text">
+                <string>Select Image File</string>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item>
+        <widget class="QLabel" name="imageLbl">
+         <property name="minimumSize">
+          <size>
+           <width>300</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>16777215</width>
+           <height>200</height>
+          </size>
+         </property>
+         <property name="text">
+          <string/>
+         </property>
+         <property name="scaledContents">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+      </layout>
      </widget>
     </item>
     <item>
@@ -276,19 +316,160 @@
       <property name="text">
        <string>Step information</string>
       </property>
-      <property name="alignment">
-       <set>Qt::AlignmentFlag::AlignLeading|Qt::AlignmentFlag::AlignLeft|Qt::AlignmentFlag::AlignTop</set>
-      </property>
      </widget>
     </item>
     <item>
-     <widget class="QFrame" name="frame_2">
+     <widget class="QFrame" name="stepInformationFrame">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
+      <property name="minimumSize">
+       <size>
+        <width>0</width>
+        <height>0</height>
+       </size>
+      </property>
       <property name="frameShape">
-       <enum>QFrame::Shape::StyledPanel</enum>
-      </property>
-      <property name="frameShadow">
-       <enum>QFrame::Shadow::Raised</enum>
+       <enum>QFrame::Shape::NoFrame</enum>
       </property>
+      <layout class="QVBoxLayout" name="verticalLayout_3">
+       <item>
+        <widget class="QWidget" name="steptitleFrame" native="true">
+         <layout class="QHBoxLayout" name="horizontalLayout_7">
+          <item>
+           <widget class="QSpinBox" name="stepNumber">
+            <property name="minimum">
+             <number>1</number>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QLineEdit" name="stepTitle"/>
+          </item>
+          <item>
+           <widget class="QToolButton" name="addStep">
+            <property name="text">
+             <string>...</string>
+            </property>
+            <property name="icon">
+             <iconset resource="data.qrc">
+              <normaloff>:/data/images/data/images/add.png</normaloff>:/data/images/data/images/add.png</iconset>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item>
+        <widget class="QWidget" name="stepCoordinatesFrame" native="true">
+         <layout class="QHBoxLayout" name="horizontalLayout_11">
+          <item>
+           <widget class="QWidget" name="latFrame" native="true">
+            <layout class="QHBoxLayout" name="horizontalLayout_8">
+             <item>
+              <widget class="QLabel" name="latLbl">
+               <property name="text">
+                <string>Latitude</string>
+               </property>
+               <property name="alignment">
+                <set>Qt::AlignmentFlag::AlignCenter</set>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QDoubleSpinBox" name="LatitudeSpin">
+               <property name="decimals">
+                <number>6</number>
+               </property>
+               <property name="maximum">
+                <double>90.000000000000000</double>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </widget>
+          </item>
+          <item>
+           <widget class="QWidget" name="longFrame" native="true">
+            <layout class="QHBoxLayout" name="horizontalLayout_9">
+             <item>
+              <widget class="QLabel" name="longLbl">
+               <property name="text">
+                <string>Longitude</string>
+               </property>
+               <property name="alignment">
+                <set>Qt::AlignmentFlag::AlignCenter</set>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QDoubleSpinBox" name="longitudeSpin">
+               <property name="decimals">
+                <number>6</number>
+               </property>
+               <property name="minimum">
+                <double>-180.000000000000000</double>
+               </property>
+               <property name="maximum">
+                <double>180.000000000000000</double>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </widget>
+          </item>
+          <item>
+           <widget class="QWidget" name="responseFrame" native="true">
+            <layout class="QHBoxLayout" name="horizontalLayout_10">
+             <item>
+              <widget class="QLabel" name="responseLbl">
+               <property name="text">
+                <string>Response</string>
+               </property>
+               <property name="alignment">
+                <set>Qt::AlignmentFlag::AlignCenter</set>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QSpinBox" name="responseSpin"/>
+             </item>
+            </layout>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPlainTextEdit" name="dialogEdit">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+           <horstretch>0</horstretch>
+           <verstretch>255</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>0</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="backgroundVisible">
+          <bool>false</bool>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="validateBtn">
+         <property name="text">
+          <string>Valider</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
      </widget>
     </item>
    </layout>
@@ -310,15 +491,8 @@
     <addaction name="actionSave"/>
     <addaction name="actionSave_as"/>
    </widget>
-   <widget class="QMenu" name="menuEdit">
-    <property name="title">
-     <string>Edit</string>
-    </property>
-   </widget>
    <addaction name="menuFile"/>
-   <addaction name="menuEdit"/>
   </widget>
-  <widget class="QStatusBar" name="statusbar"/>
   <widget class="QToolBar" name="toolBar">
    <property name="windowTitle">
     <string>toolBar</string>
@@ -330,7 +504,7 @@
     <bool>false</bool>
    </attribute>
    <addaction name="actionNewFile"/>
-   <addaction name="actionNew"/>
+   <addaction name="actionopenFile"/>
    <addaction name="actionSaveFile"/>
    <addaction name="actionSaveAsFile"/>
    <addaction name="actionPrintFile"/>
@@ -368,11 +542,11 @@
   </action>
   <action name="actionNewFile">
    <property name="icon">
-    <iconset resource="build/Desktop_Qt_6_9_1-Debug/data.qrc">
+    <iconset resource="data.qrc">
      <normaloff>:/data/images/data/images/new.png</normaloff>:/data/images/data/images/new.png</iconset>
    </property>
    <property name="text">
-    <string>NewFile</string>
+    <string>New File</string>
    </property>
    <property name="menuRole">
     <enum>QAction::MenuRole::NoRole</enum>
@@ -380,11 +554,11 @@
   </action>
   <action name="actionSaveFile">
    <property name="icon">
-    <iconset resource="build/Desktop_Qt_6_9_1-Debug/data.qrc">
+    <iconset resource="data.qrc">
      <normaloff>:/data/images/data/images/save_as.png</normaloff>:/data/images/data/images/save_as.png</iconset>
    </property>
    <property name="text">
-    <string>SaveFile</string>
+    <string>Save</string>
    </property>
    <property name="menuRole">
     <enum>QAction::MenuRole::NoRole</enum>
@@ -392,11 +566,11 @@
   </action>
   <action name="actionSaveAsFile">
    <property name="icon">
-    <iconset resource="build/Desktop_Qt_6_9_1-Debug/data.qrc">
+    <iconset resource="data.qrc">
      <normaloff>:/data/images/data/images/save.png</normaloff>:/data/images/data/images/save.png</iconset>
    </property>
    <property name="text">
-    <string>SaveAsFile</string>
+    <string>Save as</string>
    </property>
    <property name="menuRole">
     <enum>QAction::MenuRole::NoRole</enum>
@@ -404,11 +578,11 @@
   </action>
   <action name="actionPrintFile">
    <property name="icon">
-    <iconset resource="build/Desktop_Qt_6_9_1-Debug/data.qrc">
+    <iconset resource="data.qrc">
      <normaloff>:/data/images/data/images/print.png</normaloff>:/data/images/data/images/print.png</iconset>
    </property>
    <property name="text">
-    <string>PrintFile</string>
+    <string>Print</string>
    </property>
    <property name="menuRole">
     <enum>QAction::MenuRole::NoRole</enum>
@@ -416,11 +590,11 @@
   </action>
   <action name="actionEditCopy">
    <property name="icon">
-    <iconset resource="build/Desktop_Qt_6_9_1-Debug/data.qrc">
+    <iconset resource="data.qrc">
      <normaloff>:/data/images/data/images/copy.png</normaloff>:/data/images/data/images/copy.png</iconset>
    </property>
    <property name="text">
-    <string>EditCopy</string>
+    <string>Copy</string>
    </property>
    <property name="menuRole">
     <enum>QAction::MenuRole::NoRole</enum>
@@ -428,11 +602,11 @@
   </action>
   <action name="actionEditPaste">
    <property name="icon">
-    <iconset resource="build/Desktop_Qt_6_9_1-Debug/data.qrc">
+    <iconset resource="data.qrc">
      <normaloff>:/data/images/data/images/paste.png</normaloff>:/data/images/data/images/paste.png</iconset>
    </property>
    <property name="text">
-    <string>EditPaste</string>
+    <string>Paste</string>
    </property>
    <property name="menuRole">
     <enum>QAction::MenuRole::NoRole</enum>
@@ -440,11 +614,11 @@
   </action>
   <action name="actionEditCut">
    <property name="icon">
-    <iconset resource="build/Desktop_Qt_6_9_1-Debug/data.qrc">
+    <iconset resource="data.qrc">
      <normaloff>:/data/images/data/images/cut.png</normaloff>:/data/images/data/images/cut.png</iconset>
    </property>
    <property name="text">
-    <string>EditCut</string>
+    <string>Cut</string>
    </property>
    <property name="menuRole">
     <enum>QAction::MenuRole::NoRole</enum>
@@ -452,11 +626,11 @@
   </action>
   <action name="actionEditUndo">
    <property name="icon">
-    <iconset resource="build/Desktop_Qt_6_9_1-Debug/data.qrc">
+    <iconset resource="data.qrc">
      <normaloff>:/data/images/data/images/edit_undo.png</normaloff>:/data/images/data/images/edit_undo.png</iconset>
    </property>
    <property name="text">
-    <string>EditUndo</string>
+    <string>Undo</string>
    </property>
    <property name="menuRole">
     <enum>QAction::MenuRole::NoRole</enum>
@@ -464,23 +638,23 @@
   </action>
   <action name="actionEditRedo">
    <property name="icon">
-    <iconset resource="build/Desktop_Qt_6_9_1-Debug/data.qrc">
+    <iconset resource="data.qrc">
      <normaloff>:/data/images/data/images/edit_redo.png</normaloff>:/data/images/data/images/edit_redo.png</iconset>
    </property>
    <property name="text">
-    <string>EditRedo</string>
+    <string>Redo</string>
    </property>
    <property name="menuRole">
     <enum>QAction::MenuRole::NoRole</enum>
    </property>
   </action>
-  <action name="actionNew">
+  <action name="actionopenFile">
    <property name="icon">
-    <iconset resource="build/Desktop_Qt_6_9_1-Debug/data.qrc">
-     <normaloff>:/data/images/data/images/new.png</normaloff>:/data/images/data/images/new.png</iconset>
+    <iconset resource="data.qrc">
+     <normaloff>:/data/images/data/images/open.png</normaloff>:/data/images/data/images/open.png</iconset>
    </property>
    <property name="text">
-    <string>New</string>
+    <string>Open file</string>
    </property>
    <property name="menuRole">
     <enum>QAction::MenuRole::NoRole</enum>
@@ -488,7 +662,7 @@
   </action>
  </widget>
  <resources>
-  <include location="build/Desktop_Qt_6_9_1-Debug/data.qrc"/>
+  <include location="data.qrc"/>
  </resources>
  <connections/>
 </ui>
diff --git a/path.cpp b/path.cpp
index 26a2558..d4ed62b 100644
--- a/path.cpp
+++ b/path.cpp
@@ -45,11 +45,46 @@ QString Path::getImage() const
     return image;
 }
 
-QList<Step> Path::getStep() const
+QList<Step>& Path::getStep()
 {
     return step;
 }
 
+void Path::setCity(const QString &newCity)
+{
+    city = newCity;
+}
+
+void Path::setDepartement(int newDepartement)
+{
+    departement = newDepartement;
+}
+
+void Path::setName(const QString &newName)
+{
+    name = newName;
+}
+
+void Path::setDifficulty(unsigned int newDifficulty)
+{
+    difficulty = newDifficulty;
+}
+
+void Path::setDuration(float newDuration)
+{
+    duration = newDuration;
+}
+
+void Path::setLength(float newLength)
+{
+    length = newLength;
+}
+
+void Path::setImage(const QString &newImage)
+{
+    image = newImage;
+}
+
 Path::Path(QFile *file){
     if (!file->open(QIODevice::ReadOnly)) {
         qWarning() << "Could not open file:" << file->errorString();
diff --git a/path.h b/path.h
index 7eb9315..fef7334 100644
--- a/path.h
+++ b/path.h
@@ -28,7 +28,14 @@ public:
     float getDuration() const;
     float getLength() const;
     QString getImage() const;
-    QList<Step> getStep() const;
+    QList<Step>& getStep();
+    void setCity(const QString &newCity);
+    void setDepartement(int newDepartement);
+    void setName(const QString &newName);
+    void setDifficulty(unsigned int newDifficulty);
+    void setDuration(float newDuration);
+    void setLength(float newLength);
+    void setImage(const QString &newImage);
 };
 
 #endif // PATH_H
diff --git a/sae201.pro b/sae201.pro
index e43f61e..e046919 100644
--- a/sae201.pro
+++ b/sae201.pro
@@ -16,6 +16,7 @@ SOURCES += \
     web.cpp
 
 HEADERS += \
+    Undo.h \
     mainwindow.h \
     step.h \
     path.h \
diff --git a/step.cpp b/step.cpp
index 6b81de9..c8aaa5a 100644
--- a/step.cpp
+++ b/step.cpp
@@ -64,6 +64,16 @@ Step::Step() {
 }
 
 
+QList<QString> Step::getPersonnage() const
+{
+    return personnage;
+}
+
+QList<QString> Step::getTexte() const
+{
+    return texte;
+}
+
 Step::Step( QJsonObject &in)
 {
     title = in["title"].toString();
@@ -71,7 +81,7 @@ Step::Step( QJsonObject &in)
     QString gps = in["GPS"].toString();
     QStringList parts = gps.split(" ", Qt::SkipEmptyParts);
 
-    QChar latDir = parts[0][0];  // c'est le premier QChar du QString t'as capté
+    QChar latDir = parts[0][0];
     int latDeg = parts[1].toInt();
     float latMin = parts[2].toFloat();
     setLatitude(latDeg, latMin, latDir);
@@ -110,3 +120,25 @@ void Step::setLongitude(int degree, float minute, QChar EW)
     if (EW.toUpper() == 'W')
         longitude = -longitude;
 }
+
+QString Step::toGPSFormat(){
+    int latDeg = static_cast<int>(latitude);
+    float latMin = (latitude - latDeg) * 60.0;
+    QChar latDir = latitude >= 0 ? 'N' : 'S';
+    latDeg = abs(latDeg);
+
+    int lonDeg = static_cast<int>(longitude);
+    float lonMin = (longitude - lonDeg) * 60.0;
+    QChar lonDir = longitude >= 0 ? 'E' : 'W';
+    lonDeg = abs(lonDeg);
+
+    QString gpsString = QString("%1 %2 %3 %4 %5 %6")
+            .arg(latDir)
+            .arg(latDeg, 2)
+            .arg(latMin, 5, 'f', 3)
+            .arg(lonDir)
+            .arg(lonDeg, 2)
+            .arg(lonMin, 5, 'f', 3);
+
+    return gpsString;
+}