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Saravana Kumar M
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Some Sample Examples
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‎Samples/.classpath‎

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
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<classpathentry kind="con" path="org.eclipse.fx.ide.jdt.core.JAVAFX_CONTAINER"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>

‎Samples/.project‎

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>Samples</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>

‎Samples/build.fxbuild‎

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<?xml version="1.0" encoding="ASCII"?>
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<anttasks:AntTask xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:anttasks="http://org.eclipse.fx.ide.jdt/1.0" buildDirectory="${project}/build">
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<deploy>
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<application name="Samples"/>
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<info/>
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</deploy>
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<signjar/>
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</anttasks:AntTask>

‎Samples/src/application/AlertDialogExample.java‎

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package application;
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import java.util.Optional;
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import javafx.application.Application;
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import javafx.event.ActionEvent;
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import javafx.event.EventHandler;
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import javafx.geometry.Insets;
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import javafx.geometry.Pos;
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import javafx.scene.Scene;
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import javafx.scene.control.Alert;
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import javafx.scene.control.Alert.AlertType;
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import javafx.scene.control.Button;
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import javafx.scene.control.ButtonType;
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import javafx.scene.control.Label;
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import javafx.scene.control.TextField;
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import javafx.scene.layout.HBox;
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import javafx.scene.layout.VBox;
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import javafx.scene.paint.Color;
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import javafx.scene.text.Font;
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import javafx.scene.text.FontWeight;
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import javafx.scene.text.Text;
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import javafx.stage.Stage;
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public class AlertDialogExample
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extends Application {
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private TextField textFld;
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private Text actionStatus;
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private static final String titleTxt = "JavaFX Dialogs Example";
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public static void main(final String [] args) {
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Application.launch(args);
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}
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@Override
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public void start(final Stage primaryStage) {
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primaryStage.setTitle(titleTxt);
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// Window label
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final Label label = new Label("Alert Dialogs");
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label.setTextFill(Color.DARKBLUE);
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label.setFont(Font.font("Calibri", FontWeight.BOLD, 36));
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final HBox labelHb = new HBox();
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labelHb.setAlignment(Pos.CENTER);
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labelHb.getChildren().add(label);
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// Text field
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final Label txtLbl = new Label("A Text field:");
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txtLbl.setFont(Font.font("Calibri", FontWeight.NORMAL, 20));
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this.textFld = new TextField();
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this.textFld.setMinHeight(30.0);
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this.textFld.setPromptText("Enter some text and save.");
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this.textFld.setPrefColumnCount(15);
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final HBox hbox = new HBox();
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hbox.setSpacing(10);
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hbox.getChildren().addAll(txtLbl, this.textFld);
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// Buttons
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final Button infobtn = new Button("Info");
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infobtn.setOnAction(new InfoButtonListener());
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final Button savebtn = new Button("Save");
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savebtn.setOnAction(new SaveButtonListener());
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final Button clearbtn = new Button("Clear");
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clearbtn.setOnAction(new ClearButtonListener());
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final HBox buttonHb = new HBox(10);
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buttonHb.setAlignment(Pos.CENTER);
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buttonHb.getChildren().addAll(infobtn, savebtn, clearbtn);
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// Status message text
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this.actionStatus = new Text();
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this.actionStatus.setFont(Font.font("Calibri", FontWeight.NORMAL, 20));
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this.actionStatus.setFill(Color.FIREBRICK);
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// Vbox
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final VBox vbox = new VBox(30);
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vbox.setPadding(new Insets(25, 25, 25, 25));;
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vbox.getChildren().addAll(labelHb, hbox, buttonHb, this.actionStatus);
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// Scene
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final Scene scene = new Scene(vbox, 500, 300); // w x h
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primaryStage.setScene(scene);
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primaryStage.show();
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// Initial
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this.actionStatus.setText("An example of Alert Dialogs. Enter some text and save.");
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infobtn.requestFocus();
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}
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private class InfoButtonListener implements EventHandler<ActionEvent> {
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@Override
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public void handle(final ActionEvent e) {
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// Show info alert dialog
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final Alert alert = new Alert(AlertType.INFORMATION);
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alert.setTitle(titleTxt);
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alert.setHeaderText("Information Alert");
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final String s ="This is an example of JavaFX 8 Dialogs. " +
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"This is an Alert Dialog of Alert type - INFORMATION." + " \n \n" +
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"Other Alert types are: CONFIRMATION, ERROR, NONE and WARNING.";
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alert.setContentText(s);
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alert.show();
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}
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}
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private class SaveButtonListener implements EventHandler<ActionEvent> {
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@Override
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public void handle(final ActionEvent e) {
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// Show error alert dialog
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final String txt = AlertDialogExample.this.textFld.getText().trim();
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String msg = "Text saved: ";
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boolean valid = true;
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if ((txt.isEmpty()) || (txt.length() < 5)) {
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valid = false;
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final Alert alert = new Alert(AlertType.ERROR);
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alert.setTitle(titleTxt);
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final String s = "Text should be at least 5 characters long. " +
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"Enter valid text and save. ";
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alert.setContentText(s);
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alert.showAndWait();
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msg = "Invalid text entered: ";
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}
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AlertDialogExample.this.actionStatus.setText(msg + txt);
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if (! valid) {
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AlertDialogExample.this.textFld.requestFocus();
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}
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}
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}
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private class ClearButtonListener implements EventHandler<ActionEvent> {
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@Override
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public void handle(final ActionEvent e) {
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// Show confirm alert dialog
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final Alert alert = new Alert(AlertType.CONFIRMATION);
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alert.setTitle(titleTxt);
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final String s = "Confirm to clear text in text field ! ";
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alert.setContentText(s);
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final Optional<ButtonType> result = alert.showAndWait();
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if ((result.isPresent()) && (result.get() == ButtonType.OK)) {
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AlertDialogExample.this.textFld.setText("");
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AlertDialogExample.this.actionStatus.setText("An example of Alert Dialogs. Enter some text and save.");
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AlertDialogExample.this.textFld.requestFocus();
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}
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}
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}
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}

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