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‎src/javaFX2toggleButton/ToggleButton.fxml

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<?xml version="1.0" encoding="UTF-8"?>
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<?import java.lang.*?>
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<?import java.util.*?>
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<?import javafx.scene.control.*?>
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<?import javafx.scene.layout.*?>
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<?import javafx.scene.paint.*?>
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<AnchorPane id="AnchorPane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/2.2" fx:controller="javaFX2toggleButton.ToggleButtonController">
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<children>
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<VBox layoutX="20.0" layoutY="20.0" prefHeight="-1.0" prefWidth="-1.0" spacing="50.0">
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<children>
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<VBox prefHeight="-1.0" prefWidth="-1.0" spacing="5.0">
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<children>
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<Label text="* Using Event Handler" />
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<HBox prefHeight="-1.0" prefWidth="-1.0" spacing="10.0">
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<children>
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<ToggleButton fx:id="tgb" mnemonicParsing="false" onAction="#tgbOnAction" prefWidth="130.0" text="Toggle Button" />
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<TextField fx:id="txf" alignment="CENTER" editable="false" focusTraversable="false" prefWidth="100.0" style="-fx-background-color: beige" />
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</children>
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</HBox>
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</children>
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</VBox>
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<VBox prefHeight="-1.0" prefWidth="-1.0" spacing="5.0">
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<children>
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<Label text="* Using Bind (High-level API)" />
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<HBox prefHeight="-1.0" prefWidth="-1.0" spacing="10.0">
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<children>
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<ToggleButton fx:id="tgbHBind" mnemonicParsing="false" prefWidth="130.0" text="Toggle Button" />
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<TextField fx:id="txfHBind" alignment="CENTER" editable="false" focusTraversable="false" prefWidth="100.0" style="-fx-background-color: beige" />
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</children>
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</HBox>
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</children>
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</VBox>
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<VBox prefHeight="-1.0" prefWidth="-1.0" spacing="5.0">
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<children>
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<Label text="* Using Bind (Low-level API)" />
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<HBox prefHeight="-1.0" prefWidth="-1.0" spacing="10.0">
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<children>
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<ToggleButton fx:id="tgbLBind" mnemonicParsing="false" prefWidth="130.0" text="Toggle Button" />
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<TextField fx:id="txfLBind" alignment="CENTER" editable="false" focusTraversable="false" prefWidth="100.0" style="-fx-background-color: beige" />
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</children>
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</HBox>
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</children>
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</VBox>
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</children>
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</VBox>
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</children>
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</AnchorPane>

‎src/javaFX2toggleButton/ToggleButton.java

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package javaFX2toggleButton;
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import javafx.application.Application;
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import javafx.fxml.FXMLLoader;
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import javafx.scene.Parent;
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import javafx.scene.Scene;
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import javafx.stage.Stage;
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public class ToggleButton extends Application {
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@Override
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public void start(Stage stage) throws Exception {
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Parent root = FXMLLoader.load(this.getClass().getResource("ToggleButton.fxml"));
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Scene scene = new Scene(root);
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stage.setTitle("JavaFX 2 toggle button");
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stage.setScene(scene);
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stage.show();
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}
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public static void main(String[] args) {
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launch(args);
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}
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}

‎src/javaFX2toggleButton/ToggleButtonController.java

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package javaFX2toggleButton;
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import javafx.beans.binding.ObjectBinding;
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import javafx.event.ActionEvent;
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import javafx.fxml.FXML;
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import javafx.scene.control.TextField;
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import javafx.scene.control.ToggleButton;
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import javafx.scene.image.Image;
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import javafx.scene.image.ImageView;
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public class ToggleButtonController {
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@FXML
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private ToggleButton tgb;
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@FXML
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private TextField txf;
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@FXML
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private ToggleButton tgbHBind;
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@FXML
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private TextField txfHBind;
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@FXML
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private ToggleButton tgbLBind;
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@FXML
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private TextField txfLBind;
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private Image imgPowerOff;
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private Image imgPowerOn;
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private String on = "ON";
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private String off = "OFF";
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@FXML
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void initialize() {
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imgPowerOff = new Image(this.getClass().getResourceAsStream("res/powerOff.png"));
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imgPowerOn = new Image(this.getClass().getResourceAsStream("res/powerOn.png"));
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// Using Event Handler
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assert tgb != null : "fx:id=\"tgb\" was not injected: check your FXML file 'ToggleButton.fxml'.";
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assert txf != null : "fx:id=\"txf\" was not injected: check your FXML file 'ToggleButton.fxml'.";
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this.tgb.setGraphic(new ImageView(imgPowerOff));
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this.tgb.setSelected(false);
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this.txf.setText(off);
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// Using Bind (High-level API)
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assert tgbHBind != null : "fx:id=\"tgbHBind\" was not injected: check your FXML file 'ToggleButton.fxml'.";
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assert txfHBind != null : "fx:id=\"txfHBind\" was not injected: check your FXML file 'ToggleButton.fxml'.";
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this.tgbHBind.setGraphic(new ImageView(imgPowerOff));
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this.tgbHBind.setSelected(false);
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this.txfHBind.textProperty().bind(this.tgbHBind.selectedProperty().asString());
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// Using Bind (Low-level API)
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assert tgbLBind != null : "fx:id=\"tgbLBind\" was not injected: check your FXML file 'ToggleButton.fxml'.";
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assert txfLBind != null : "fx:id=\"txfLBind\" was not injected: check your FXML file 'ToggleButton.fxml'.";
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this.tgbLBind.setGraphic(new ImageView(imgPowerOff));
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this.tgbLBind.setSelected(false);
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this.txfLBind.textProperty().bind(this.observer(tgbLBind));
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}
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// Using Event Handler
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@FXML
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void tgbOnAction(ActionEvent event) {
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if (this.tgb.isSelected()) {
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this.txf.setText(on);
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this.tgb.setGraphic(new ImageView(imgPowerOn));
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}
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else {
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this.txf.setText(off);
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this.tgb.setGraphic(new ImageView(imgPowerOff));
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}
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}
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// Using Bind (High-level API)
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// Using Bind (Low-level API)
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private ObjectBinding<String> observer(ToggleButton p) {
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final ToggleButton tgb = p;
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ObjectBinding<String> sBinding = new ObjectBinding<String>() {
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{
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super.bind(tgb.selectedProperty());
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}
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@Override
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protected String computeValue() {
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String s;
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if (tgb.isSelected()) {
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s = on;
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tgbLBind.setGraphic(new ImageView(imgPowerOn));
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}
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else {
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s = off;
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tgbLBind.setGraphic(new ImageView(imgPowerOff));
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}
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return s;
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}
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};
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return sBinding;
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}
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}

‎src/javaFX2toggleButton/res/powerOff.png

1.17 KB
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‎src/javaFX2toggleButton/res/powerOn.png

3.54 KB
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