Popup asking to save before closing for ContingencyStoreEditor

gse-afs-ext-base/src/main/java/com/powsybl/gse/afs/ext/base/ContingencyStoreEditor.java

@@ -286,6 +286,29 @@ private ContextMenu createContingencyElementMenu() {
         return new ContextMenu(removeItem);
     }
 
+    private boolean alertSave() {
+        Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
+        alert.setHeaderText("'" + this.store.getName() + "' " + RESOURCE_BUNDLE.getString("UnsavedQuitConfirmation"));
+        ButtonType saveAndContinue = new ButtonType(RESOURCE_BUNDLE.getString("SaveAndContinue"));
+        ButtonType dontSaveAndContinue = new ButtonType(RESOURCE_BUNDLE.getString("DontSaveAndContinue"));
+        ButtonType cancel = new ButtonType(RESOURCE_BUNDLE.getString("Cancel"));
+
+        alert.getButtonTypes().setAll(saveAndContinue, dontSaveAndContinue, cancel);
+
+        Optional<ButtonType> result = alert.showAndWait();
+        return result.map(type -> {
+            if (type == saveAndContinue) {
+                save();
+                return true;
+            } else if (type == dontSaveAndContinue) {
+                saved.set(true);
+                return true;
+            } else {
+                return false;
+            }
+        }).orElse(false);
+    }
+
     @Override
     public void save() {
         if (!saved.get()) {
@@ -306,6 +329,14 @@ public void view() {
 
     @Override
     public void dispose() {
-        // nothing to dispose
+        //noting to dispose
+    }
+
+    @Override
+    public boolean canBeClosed() {
+        if (!saved.getValue()) {
+            return alertSave();
+        }
+        return true;
     }
 }

gse-afs-ext-base/src/main/java/com/powsybl/gse/afs/ext/base/ModificationScriptEditor.java

@@ -135,4 +135,10 @@ public void dispose() {
         storableScript.removeListener(this);
     }
 
+    @Override
+    public boolean canBeClosed() {
+        //TODO: save before close
+        return true;
+    }
+
 }

gse-afs-ext-base/src/main/resources/lang/ContingencyStore.properties

@@ -5,3 +5,7 @@ NewName=New name
 Rename=Rename
 RenameContingency=Rename contingency
 Remove=Remove
+UnsavedQuitConfirmation=is not saved, its modifications will be lost. Would you like to save the file first ?
+SaveAndContinue=Save and Continue
+DontSaveAndContinue=Don't save and Continue
+Cancel=Cancel

gse-afs-ext-base/src/main/resources/lang/ContingencyStore_fr.properties

@@ -5,3 +5,7 @@ NewName=Nouveau nom
 Rename=Renommer
 RenameContingency=Renommer la contingence
 Remove=Supprimer
+UnsavedQuitConfirmation=n'est pas sauvegard�, ses modifications seront perdues. Voulez vous enregistrer ce fichier d'abord ?
+SaveAndContinue=Enregistrer et Continuer
+DontSaveAndContinue=Continuer sans enregistrer
+Cancel=Annuler

gse-app/src/main/java/com/powsybl/gse/app/GseApp.java

@@ -56,6 +56,13 @@ public void start(Stage stage) {
         }
 
         stage.show();
+
+        stage.setOnCloseRequest(event -> {
+            gsePane.dispose();
+            if (!gsePane.canBeClosed()) {
+                event.consume();
+            }
+        });
     }
 
     @Override
@@ -76,7 +83,6 @@ public void init() throws Exception {
     @Override
     public void stop() throws Exception {
         super.stop();
-        gsePane.dispose();
         appData.close();
         computationManager.close();
         executor.shutdownNow();

gse-app/src/main/java/com/powsybl/gse/app/GsePane.java

@@ -53,6 +53,8 @@ public class GsePane extends StackPane {
     private final Preferences preferences;
     private final Application javaxApplication;
 
+    private boolean canBeClosed = true;
+
     public GsePane(GseContext context, AppData data, Application app) {
         this.context = Objects.requireNonNull(context);
         this.data = Objects.requireNonNull(data);
@@ -190,10 +192,18 @@ public List<Image> getIcons() {
     }
 
     public void dispose() {
+        canBeClosed = true;
         savePreferences();
 
         for (Tab tab : tabPane.getTabs()) {
             ((ProjectPane) tab).dispose();
+            if (!((ProjectPane) tab).canBeClosed()) {
+                canBeClosed = false;
+            }
         }
     }
+
+    public boolean canBeClosed() {
+        return canBeClosed;
+    }
 }

gse-app/src/main/java/com/powsybl/gse/app/ProjectPane.java

@@ -56,6 +56,8 @@ public class ProjectPane extends Tab {
 
     private static final ServiceLoaderCache<ProjectFileExecutionTaskExtension> EXECUTION_TASK_EXTENSION_LOADER = new ServiceLoaderCache<>(ProjectFileExecutionTaskExtension.class);
 
+    private int tabsOpen = 0;
+
     private static class TabKey {
 
         private final String nodeId;
@@ -677,7 +679,15 @@ private void viewFile(ProjectFile file, ProjectFileViewerExtension viewerExtensi
         Node graphic = viewerExtension.getMenuGraphic(file);
         ProjectFileViewer viewer = viewerExtension.newViewer(file, getContent().getScene(), context);
         Tab tab = new MyTab(tabName, viewer.getContent());
-        tab.setOnClosed(event -> viewer.dispose());
+        tabsOpen++;
+        tab.setOnCloseRequest(event -> {
+            if (!viewer.canBeClosed()) {
+                event.consume();
+            } else {
+                viewer.dispose();
+            }
+        });
+        tab.setOnClosed(event -> tabsOpen--);
         tab.setGraphic(graphic);
         tab.setTooltip(new Tooltip(tabName));
         tab.setUserData(tabKey);
@@ -864,4 +874,8 @@ public void dispose() {
         taskItems.dispose();
         closeViews();
     }
+
+    public boolean canBeClosed() {
+        return tabsOpen == 0;
+    }
 }

gse-network-explorer/src/main/java/com/powsybl/gse/explorer/NetworkExplorer.java

@@ -360,4 +360,9 @@ public void dispose() {
         projectCase.removeListener(this);
     }
 
+    @Override
+    public boolean canBeClosed() {
+        return true;
+    }
+
 }

gse-network-map/src/main/java/com/powsybl/gse/map/NetworkMap.java

@@ -196,4 +196,9 @@ public void view() {
     public void dispose() {
         // nothing to dispose
     }
+
+    @Override
+    public boolean canBeClosed() {
+        return true;
+    }
 }

gse-security-analysis/src/main/java/com/powsybl/gse/security/SecurityAnalysisResultViewer.java

@@ -139,4 +139,9 @@ public void dispose() {
         preContResultPane.savePreferences();
         postContResultPane.savePreferences();
     }
+
+    @Override
+    public boolean canBeClosed() {
+        return true;
+    }
 }

gse-spi/src/main/java/com/powsybl/gse/spi/ProjectFileViewer.java

@@ -19,4 +19,5 @@ public interface ProjectFileViewer {
 
     void dispose();
 
+    boolean canBeClosed();
 }