diff --git a/Workspace/client/src/main/java/com/pqt/client/module/gui/ressources/components/CategoryTabStockDisplayer.java b/Workspace/client/src/main/java/com/pqt/client/module/gui/ressources/components/CategoryTabStockDisplayer.java
new file mode 100644
index 00000000..aa17ad38
--- /dev/null
+++ b/Workspace/client/src/main/java/com/pqt/client/module/gui/ressources/components/CategoryTabStockDisplayer.java
@@ -0,0 +1,113 @@
+package com.pqt.client.module.gui.ressources.components;
+
+import com.pqt.client.module.gui.ressources.generics.displayers.IFXDisplayerComponent;
+import com.pqt.client.module.gui.ressources.specifics.products.listeners.IStockComponentListener;
+import com.pqt.client.module.gui.ressources.specifics.products.listeners.SimpleStockComponentFirerer;
+import com.pqt.client.module.gui.ressources.strings.GUIStringTool;
+import com.pqt.client.module.gui.ressources.strings.IObjectStringRenderer;
+import com.pqt.core.entities.product.Product;
+import javafx.application.Platform;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.scene.control.*;
+import javafx.scene.input.KeyCode;
+import javafx.scene.layout.BorderPane;
+import javafx.scene.layout.Pane;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class CategoryTabStockDisplayer implements IFXDisplayerComponent<Collection<Product>, IStockComponentListener>{
+
+    private SimpleStockComponentFirerer firerer;
+    private BorderPane mainPane;
+    private TabPane tabPane;
+
+    public CategoryTabStockDisplayer() {
+        init();
+        firerer = new SimpleStockComponentFirerer();
+    }
+
+    @Override
+    public void display(Collection<Product> content) {
+        final ObservableList<Tab> tabs = FXCollections.emptyObservableList();
+        if(content!=null){
+            List<String> categories = content.stream().map(product->product.getCategory().getName()).distinct().collect(Collectors.toList());
+
+            for(String cat : categories){
+                tabs.add(createCategoryTab(cat, content.stream().filter(p->p.getCategory().getName().equals(cat)).collect(Collectors.toList())));
+            }
+
+        }
+
+        Platform.runLater(()->{
+            tabPane.getTabs().clear();
+            tabPane.getTabs().addAll(tabs);
+        });
+    }
+
+    @Override
+    public void addListener(IStockComponentListener l) {
+        firerer.addListener(l);
+    }
+
+    @Override
+    public void removeListener(IStockComponentListener l) {
+        firerer.removeListener(l);
+    }
+
+    @Override
+    public Pane getPane() {
+        return mainPane;
+    }
+
+    private void init(){
+        mainPane = new BorderPane();
+        Label title = new Label(GUIStringTool.getCategorytabStockDisplayerTitle());
+        mainPane.setTop(title);
+
+        tabPane = new TabPane();
+        mainPane.setCenter(tabPane);
+    }
+
+    private Tab createCategoryTab(String categoryName, Collection<Product> products){
+        Tab tab = new Tab(categoryName);
+        tab.closableProperty().setValue(false);
+
+        ListView<Product> listView = new ListView<>();
+        listView.setCellFactory(list->new ListCell<Product>(){
+
+            @Override
+            protected void updateItem(Product item, boolean empty) {
+                super.updateItem(item, empty);
+
+                if (empty || item == null) {
+                    setText(null);
+                    setGraphic(null);
+                } else {
+                    setText(CategoryTabStockDisplayer.getProductRenderer().render(item));
+                }
+            }
+        });
+
+        listView.getSelectionModel().setSelectionMode(SelectionMode.SINGLE);
+        listView.setEditable(false);
+        listView.setOnMouseClicked(event->firerer.fireContentClickEvent(event, listView.getSelectionModel().getSelectedItem()));
+        listView.setOnKeyTyped(event -> {
+            if(event.getCode().equals(KeyCode.ENTER)){
+                firerer.fireContentClickEvent(event, listView.getSelectionModel().getSelectedItem());
+                event.consume();
+            }
+        });
+
+        listView.setItems(FXCollections.observableArrayList(products));
+
+        tab.setContent(listView);
+        return tab;
+    }
+
+    private static IObjectStringRenderer<Product> getProductRenderer(){
+        return GUIStringTool.getProductStringRenderer();
+    }
+}
diff --git a/Workspace/client/src/main/java/com/pqt/client/module/gui/ressources/components/CommandComposerSaleDisplayer.java b/Workspace/client/src/main/java/com/pqt/client/module/gui/ressources/components/CommandComposerSaleDisplayer.java
new file mode 100644
index 00000000..190aa7ac
--- /dev/null
+++ b/Workspace/client/src/main/java/com/pqt/client/module/gui/ressources/components/CommandComposerSaleDisplayer.java
@@ -0,0 +1,85 @@
+package com.pqt.client.module.gui.ressources.components;
+
+import com.pqt.client.module.gui.ressources.specifics.sale.IFXSaleDisplayerComponent;
+import com.pqt.client.module.gui.ressources.specifics.sale.listeners.ISaleComponentListener;
+import com.pqt.client.module.gui.ressources.specifics.sale.listeners.SimpleSaleComponentFirerer;
+import com.pqt.client.module.gui.ressources.strings.GUIStringTool;
+import com.pqt.core.entities.product.Product;
+import com.pqt.core.entities.sale.Sale;
+import javafx.application.Platform;
+import javafx.collections.FXCollections;
+import javafx.scene.control.*;
+import javafx.scene.input.KeyCode;
+import javafx.scene.layout.BorderPane;
+import javafx.scene.layout.Pane;
+
+import java.util.ArrayList;
+import java.util.stream.Collectors;
+
+public class CommandComposerSaleDisplayer implements IFXSaleDisplayerComponent {
+
+    private SimpleSaleComponentFirerer firerer;
+    private BorderPane mainPane;
+    private ListView<Product> listView;
+
+    private Sale sale;
+
+    public CommandComposerSaleDisplayer() {
+        firerer = new SimpleSaleComponentFirerer();
+        init();
+    }
+
+    private void init() {
+        mainPane = new BorderPane();
+        Label title = new Label(GUIStringTool.getCommandComposerTitleTitle());
+        mainPane.setTop(title);
+
+        listView = new ListView<>();
+        listView.setCellFactory(list->new ListCell<Product>(){
+            @Override
+            protected void updateItem(Product item, boolean empty) {
+                super.updateItem(item, empty);
+
+                if (empty || item == null) {
+                    setText(null);
+                    setGraphic(null);
+                } else {
+                    setText(GUIStringTool.getSaleItemStringRenderer().render(item, sale.getProducts().get(item)));
+                }
+            }
+        });
+        listView.setEditable(false);
+        listView.getSelectionModel().setSelectionMode(SelectionMode.SINGLE);
+        listView.setOnMouseClicked(event->firerer.fireComponentClickEvent(event, listView.getSelectionModel().getSelectedItem()));
+        listView.setOnKeyTyped(event -> {
+            if(event.getCode().equals(KeyCode.ENTER)){
+                firerer.fireComponentClickEvent(event, listView.getSelectionModel().getSelectedItem());
+            }
+        });
+        mainPane.setCenter(listView);
+    }
+
+    @Override
+    public void display(Sale content) {
+        if(content ==null)
+            return;
+
+        this.sale = content;
+        Platform.runLater(()->this.listView.setItems(FXCollections.observableList(new ArrayList<>(this.sale.getProducts().keySet()))));
+    }
+
+    @Override
+    public void addListener(ISaleComponentListener l) {
+        firerer.addListener(l);
+    }
+
+    @Override
+    public void removeListener(ISaleComponentListener l) {
+        firerer.removeListener(l);
+    }
+
+    @Override
+    public Pane getPane() {
+        return mainPane;
+    }
+}
diff --git a/Workspace/client/src/main/java/com/pqt/client/module/gui/ressources/components/SimpleValidator.java b/Workspace/client/src/main/java/com/pqt/client/module/gui/ressources/components/SimpleValidator.java
new file mode 100644
index 00000000..1f6a9e35
--- /dev/null
+++ b/Workspace/client/src/main/java/com/pqt/client/module/gui/ressources/components/SimpleValidator.java
@@ -0,0 +1,99 @@
+package com.pqt.client.module.gui.ressources.components;
+
+import com.pqt.client.module.gui.ressources.generics.validators.IFXValidatorComponent;
+import com.pqt.client.module.gui.ressources.generics.validators.listeners.IValidatorComponentFirerer;
+import com.pqt.client.module.gui.ressources.generics.validators.listeners.IValidatorComponentListener;
+import com.pqt.client.module.gui.ressources.generics.validators.listeners.SimpleValidatorComponentFirerer;
+import com.pqt.client.module.gui.ressources.strings.GUIStringTool;
+import javafx.application.Platform;
+import javafx.scene.control.Button;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.Pane;
+
+public class SimpleValidator implements IFXValidatorComponent{
+
+    private final IValidatorComponentFirerer firerer;
+    private Pane pane;
+    private boolean askConfirmation;
+    private Button validationButton, cancelButton;
+
+    public SimpleValidator() {
+        this(false);
+    }
+
+    public SimpleValidator(boolean askConfirmation) {
+        firerer = new SimpleValidatorComponentFirerer();
+        this.askConfirmation = askConfirmation;
+
+    }
+
+    @Override
+    public void addListener(IValidatorComponentListener l) {
+        firerer.addListener(l);
+    }
+
+    @Override
+    public void removeListener(IValidatorComponentListener l) {
+        firerer.removeListener(l);
+    }
+
+    @Override
+    public Pane getPane() {
+        if(pane == null)
+            pane = createPane();
+        return pane;
+    }
+
+    private Pane createPane(){
+        HBox hbox = new HBox();
+
+        validationButton = new Button(GUIStringTool.getValidationButtonLabel());
+        validationButton.setOnMouseClicked(event->{
+            getValidationButtonProcess().process();
+        });
+        hbox.getChildren().add(validationButton);
+
+        cancelButton = new Button(GUIStringTool.getCancelButtonLabel());
+        cancelButton.setOnMouseClicked(event->{
+            getCancelButtonProcess().process();
+        });
+        hbox.getChildren().add(cancelButton);
+
+        return hbox;
+    }
+
+    private IButtonProcess getValidationButtonProcess(){
+        return ()->{
+            if(validationButton.getText().equals(GUIStringTool.getValidationButtonLabel())){
+                if(askConfirmation)
+                    Platform.runLater(()->validationButton.setText(GUIStringTool.getConfirmationValidationButtonLabel()));
+                else
+                    firerer.fireValidationEvent();
+            }else{
+                if(validationButton.getText().equals(GUIStringTool.getConfirmationValidationButtonLabel()))
+                    firerer.fireValidationEvent();
+                Platform.runLater(()->validationButton.setText(GUIStringTool.getValidationButtonLabel()));
+            }
+        };
+    }
+
+    private IButtonProcess getCancelButtonProcess(){
+        return ()->{
+            if(cancelButton.getText().equals(GUIStringTool.getCancelButtonLabel())){
+                if(askConfirmation)
+                    Platform.runLater(()->cancelButton.setText(GUIStringTool.getConfirmationCancelButtonLabel()));
+                else
+                    firerer.fireCancelEvent();
+            }else{
+                Platform.runLater(()->cancelButton.setText(GUIStringTool.getCancelButtonLabel()));
+                firerer.fireCancelEvent();
+            }
+        };
+
+
+    }
+
+    private interface IButtonProcess{
+        void process();
+    }
+}