New tab that adds tabs when selected

Author: BenHerbst

.idea/workspace.xml

@@ -13,6 +13,10 @@
 import java.util.Timer;
 import java.util.TimerTask;
 
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
+import javafx.event.Event;
+import javafx.event.EventHandler;
 import javafx.scene.control.*;
 import org.idaesbasic.controllers.calendar.CalendarController;
 import org.idaesbasic.controllers.todolist.TodolistController;
@@ -54,6 +58,9 @@ public NewFileDialogResult(Optional<ButtonType> result, String directory, String
     @FXML
     private Button timeButton;
 
+    @FXML
+    private Tab plusTab;
+
     @FXML
     private TreeView<String> fileExplorer;
 
@@ -71,6 +78,17 @@ void initialize() {
         } catch (IOException e1) {
             e1.printStackTrace();
         }
+        // Add new tab when "add tab" tab is selected
+        tabPane.getSelectionModel().selectedItemProperty().addListener(new ChangeListener<Tab>() {
+            @Override
+            public void changed(ObservableValue<? extends Tab> observable, Tab oldTab, Tab newTab) {
+                if(newTab.equals (plusTab)) {
+                    addNewTab();
+                    tabPane.getTabs().remove(plusTab);
+                    tabPane.getTabs().add(plusTab);
+                }
+            }
+        });
         // Set date from date button
         dateButton.setText(LocalDate.now().toString());
         Timer timer = new Timer();
@@ -295,7 +313,11 @@ void openFileExplorer(ActionEvent event) {
     }
 
     @FXML
-    void addTab(ActionEvent event) throws IOException {
+    void addTabAction(ActionEvent event) throws IOException {
+        addNewTab();
+    }
+
+    void addNewTab() {
         // Open a new empty tab
         Tab newTab = new Tab();
         newTab.setText("New tab");

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

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import org.kordamp.ikonli.javafx.FontIcon?>
 <?import javafx.scene.control.Button?>
 <?import javafx.scene.control.Label?>
 <?import javafx.scene.control.Menu?>
@@ -13,6 +12,7 @@
 <?import javafx.scene.layout.AnchorPane?>
 <?import javafx.scene.layout.BorderPane?>
 <?import javafx.scene.text.Font?>
+<?import org.kordamp.ikonli.javafx.FontIcon?>
 
 <BorderPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="737.0" prefWidth="1113.0" stylesheets="@../styles/main.css" xmlns="http://javafx.com/javafx/17" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.idaesbasic.controllers.MainController">
    <left>
@@ -39,6 +39,11 @@
               <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="648.0" prefWidth="384.0" />
             </content>
           </Tab>
+            <Tab fx:id="plusTab" closable="false" text="Add tab">
+               <graphic>
+                  <FontIcon iconColor="WHITE" iconLiteral="fa-plus" />
+               </graphic>
+            </Tab>
         </tabs>
       </TabPane>
    </center>
@@ -93,7 +98,7 @@
                      <graphic>
                         <FontIcon iconColor="WHITE" iconLiteral="fa-window-close" iconSize="16" selectionEnd="0" />
                      </graphic></MenuItem>
-                  <MenuItem fx:id="menuItemNewTab" mnemonicParsing="false" onAction="#addTab" text="New tab">
+                  <MenuItem fx:id="menuItemNewTab" mnemonicParsing="false" onAction="#addTabAction" text="New tab">
                      <graphic>
                         <FontIcon iconColor="WHITE" iconLiteral="fa-plus-square" iconSize="16" selectionEnd="0" />
                      </graphic></MenuItem>

src/main/resources/fxml/MainView.fxml

@@ -227,6 +227,14 @@
    -fx-background-color: transparent;
 }
 
+#plusTab {
+    -fx-pref-width: 24px;
+}
+
+#plusTab .tab-label {
+    -fx-text-fill: transparent;
+}
+
 .root {
     -fx-background-color: #232323
 }