Added Save as option

Author: BenHerbst

ainm.todo

@@ -2,4 +2,16 @@ Task 1
 Task 2
 Task 3
 Go to school
-Task 4
+Task 4
+New todo
+New todo
+New todo
+New todo
+New todo
+New todo
+New todo
+New todo
+New todo
+New todo
+New todo
+New todo

src/main/java/org/ainm/controllers/MainController.java

@@ -36,6 +36,7 @@
 import javafx.scene.control.TreeItem;
 import javafx.scene.control.TreeView;
 import javafx.stage.DirectoryChooser;
+import javafx.stage.FileChooser;
 import javafx.stage.Stage;
 
 public class MainController {
@@ -298,6 +299,18 @@ void new_todo_list(ActionEvent event) throws IOException {
         }
     }
 
+    @FXML
+    void saveFileAs() throws IOException {
+        //Open file explorer
+        FileChooser chooser = new FileChooser();
+        File file = chooser.showSaveDialog(null);
+        //Save current view to file
+        Object controller = getController(get_current_tab().getContent());
+        if (controller.getClass().equals(new TodolistController().getClass())) {
+            ((TodolistController) controller).saveFileAs(Paths.get(file.getAbsolutePath()));
+        }
+    }
+
     void openFile(String filename) throws IOException {
         if (filename.endsWith(".todo")) {
             //Load todolist view
@@ -320,4 +333,13 @@ Tab get_current_tab() {
         SingleSelectionModel<Tab> selectionModel = tab_pane.getSelectionModel();
         return (selectionModel.getSelectedItem());
     }
+
+    public static Object getController(Node node) {
+        Object controller = null;
+        do {
+            controller = node.getProperties().get("foo");
+            node = node.getParent();
+        } while (controller == null && node != null);
+        return controller;
+    }
 }

src/main/java/org/ainm/controllers/todolist/TodoitemController.java

@@ -11,4 +11,8 @@ public class TodoitemController {
     void setTodo(String todo) {
         checkBox.setText(todo);
     }
+
+    String getTodo() {
+        return checkBox.getText();
+    }
 }

src/main/java/org/ainm/controllers/todolist/TodolistController.java

@@ -9,6 +9,7 @@
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Node;
+import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
 
 public class TodolistController {
@@ -48,4 +49,24 @@ public void loadFile(Path file) {
             e.printStackTrace();
         }
     }
+
+    public void saveFileAs(Path file) throws IOException {
+        //Create a string with a todo per line
+        String saveData = "";
+        for(Node todoItem:todos_list.getChildren()) {
+            TodoitemController controller = (TodoitemController) getController(todoItem);
+            saveData += controller.getTodo() + "\n";
+        }
+        //Save this string to the given file
+        Files.writeString(file, saveData);
+    }
+
+    public static Object getController(Node node) {
+        Object controller = null;
+        do {
+            controller = node.getProperties().get("foo");
+            node = node.getParent();
+        } while (controller == null && node != null);
+        return controller;
+    }
 }

src/main/resources/fxml/MainView.fxml

@@ -14,7 +14,7 @@
 
 <BorderPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/17" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.ainm.controllers.MainController">
    <left>
-      <TreeView fx:id="file_explorer" prefHeight="306.0" prefWidth="210.0" BorderPane.alignment="CENTER">
+      <TreeView fx:id="file_explorer" prefHeight="352.0" prefWidth="296.0" BorderPane.alignment="CENTER">
          <stylesheets>
             <URL value="@../styles/treeview/background.css" />
             <URL value="@../styles/treeview/tree_cell.css" />
@@ -71,7 +71,7 @@
                         <MenuItem disable="true" mnemonicParsing="false" text="New Whiteboard" />
                     </items>
                   </Menu>
-                  <MenuItem disable="true" mnemonicParsing="false" text="Save as" />
+                  <MenuItem fx:id="menuItemSaveAs" mnemonicParsing="false" onAction="#saveFileAs" text="Save as" />
                   <MenuItem disable="true" mnemonicParsing="false" text="Save" />
               <MenuItem fx:id="menu_item_close_file" mnemonicParsing="false" onAction="#close_file" text="Close" />
             </items>

src/main/resources/fxml/views/todo/todo_item.fxml

@@ -11,4 +11,8 @@
             <Insets />
          </HBox.margin></CheckBox>
    </children>
+    <properties>
+        <!-- store controller at key "foo" in properties map -->
+        <foo><fx:reference source="controller" /></foo> 
+    </properties>
 </HBox>

src/main/resources/fxml/views/todo/todo_view.fxml

@@ -21,4 +21,8 @@
    <padding>
       <Insets bottom="50.0" top="30.0" />
    </padding>
+   <properties>
+        <!-- store controller at key "foo" in properties map -->
+        <foo><fx:reference source="controller" /></foo> 
+    </properties>
 </ScrollPane>