JCD 2012 JavaFX 2

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description

Java技術已經進入全面性應用的階段,不論在個人電腦,企業應用或是行動裝置,都可以使用Java技術來完成各種不同的需求。不過在個人電腦應用程式的部份,卻因為使用者介面的問題,在桌面的應用上有很大的限制。 JavaFX在2007年首度發表後,承諾給Java開發人員一個跨平台,豐富多樣的元件與整合的使用者介面開發架構。在2011年推出JavaFX 2.0,已經完成許多令人振奮的全新特性,支援最新的Java程式設計語言與開發工具,使用FXML快速的設計與架構使用者介面,透過全新引擎Prism支援目前最新的GPU技術,提供快速與流暢的使用者操作經驗。 在2012年推出JavaFX 2.2時,更發表一個令開發人員驚豔的工具:JavaFX Scene Builder,這個全新的JavaFX開發工具,讓開發人員在設計使用者介面的時候,搭配全新的FXML技術,提供簡單,快速,流暢與視覺化的設計方式,讓開發人員可以節省很多設計GUI的時間,專心在商務流程的設計。

Transcript of JCD 2012 JavaFX 2

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美觀、快速與流暢的Java用戶端應用程式

甲骨文授權教育訓練中心聯成電腦張益裕

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SwingAWT

Java2DJava3D

ActionListener

ItemListener

KeyListener

MouseListener

AdjustmentListener

WindowListener

TextListener

FocusListener

ComponentListener

JEditorPane

JOptionPane

JPanel

JRootPane

JScrollPane

JTextPane

JDialog

JFrame

JWindow

JToolbar

JSplitPane

JTabbedPane

JButton

JCheckBox

JColorChooser

JLabel

JList

JTree

JTable

JToolBar

JTextField

JToggleButton

JTextArea

JPasswordField

JMenuItem

JRadioButton

JMenu

JComboBox

JPopupMenu

JScrollBar

JProgressBar

BorderLayoutGridLayout

FlowLayout

GroutLayout

ScrollPaneLayout

CardLayout

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Beautiful Smooth SimpleFast

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Beautiful Smooth SimpleFast

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Java Programming Language

JVM

Java SE

Card VM

Java Card

Java EE

Java ME VM

Java ME

JavaFX

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• Java language features• FXML for defining user interfaces• New graphics pipeline for modern GPUs• Rich set of UI controls• Powerful Properties Model• Swing and AWT Interoperability

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JavaFX Public APIs and Scene Graph

Quantum Toolkit

GlassWindowing

Toolkit

MediaEngine

WebEngine

Java 2D Open GL 3D

Prism

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• Over 50+ components• CSS skinning and layout• Advanced UI controls

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Animation

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BelgiumAntwerp

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FXML

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javafx.stage.Stage

javafx.scene.Scene

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root parent leaf

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public class HelloJavaFX extends Application {

@Override public void start(Stage stage) {

BorderPane root = new BorderPane(); Button btn = new Button("Hello JavaFX!"); root.setCenter(btn); Scene scene = new Scene(root, 300, 250); stage.setScene(scene); stage.show(); }

public static void main(String[] args) { launch(args); }}

javafx.application.Application

Place Button

Run...

Top level container

Root container

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• Region & Pane• AnchorPane• BorderPane• FlowPane & TilePane• GridPane• VBox & HBox• StackPane

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BorderPane FlowPane GridPane TilePane StackPane

AnchorPane HBox VBox

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• All new event structure and Handler• Working with convenience methods• Support Multi-Touch

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Event.ANY

InputEvent.ANY

ActionEvent.ACTION

WindowEvent.ANY

KeyEvent.ANY

MouseEvent.ANY

...

KeyEvent.KEY_PRESSED

KeyEvent.KEY_RELEASED

KeyEvent.KEY_TYPED

MouseEvent.MOUSE_PRESSED

MouseEvent.MOUSE_RELEASED

...

WindowEvent.WINDOW_SHOWING

WindowEvent.WINDOW_SHOWN

...

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Button btn = new Button("Hello JavaFX!");

btn.setOnAction(new EventHandler<ActionEvent>() {

@Override public void handle(ActionEvent event) { /* Do something */ }

});

Register Generic Event type

Generic Event type

listener?

Override

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final Circle circle = new Circle(radius, Color.RED);

circle.setOnMouseEntered(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { /* Do something */ }});

circle.setOnMouseExited(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { /* Do something */ }});

circle.setOnMousePressed(new EventHandler<MouseEvent>() { public void handle(MouseEvent me) { /* Do something */ }});

EventHandlerhandle

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oval.setOnScroll(new EventHandler<ScrollEvent>() {...});

oval.setOnZoom(new EventHandler<ZoomEvent>() {...});

oval.setOnRotate(new EventHandler<RotateEvent>() {...});

final Ellipse oval = new Ellipse(100, 50);

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• JavaBean Component architecture• Expanded JavaBean properties• In conjunction with Binding

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Label mile = new Label();

double kmValue = 32.5;double mileValue = kmValue * 0.621371192;String mileText = Double.toString(kmValue);

mile.setText(mileText);

KM to mile

Double to String

Set Label text

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DoubleProperty kmPro = new SimpleDoubleProperty();

Label mile = new Label();

StringBinding mileBinding = kmPro.multiply(0.621371192).asString();

mile.textProperty().bind(mileBinding);

...

kmPro.set(32.5);

KM Property Object

StringBinding Object, hold KM to mile value

Bind mile value to Text Property

Change KM Property value

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DoubleProperty kmPro = new SimpleDoubleProperty();Label mile = new Label();

StringBinding mileBinding = new StringBinding() { { super.bind(kmPro); }

@Override protected String computeValue() { return Double.toString(kmPro.get() * 0.621371192); }

};

mile.textProperty().bind(mileBinding);...kmPro.set(32.5);

Extends Binding Class

Binding Property

Override computeValue method

Produce value here

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.root  {          -­‐fx-­‐background-­‐image:  url("background.jpg");}

.label  {        ...        }

#welcome-­‐text  {        ...        }

#ac@ontarget  {        ...        }

.buAon  {        ...        }

.buAon:hover  {        ...        }

Login.css

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Scene scene = new Scene(grid, 300, 275);scene.getStylesheets().add("login/Login.css");

Text scenetitle = new Text("Welcome");scenetitle.setId("welcome-text");

Text actiontarget = new Text();actiontarget.setId("actiontarget");

.root  {          -­‐fx-­‐background-­‐image:  url("background.jpg");}.label  {        ...        }#welcome-­‐text  {        ...        }#ac,ontarget  {        ...        }.buAon  {        ...        }.buAon:hover  {        ...        }

Login.css

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• XML-based language• Separate UI from your code• Support localize• Support any JVM language

FXML

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BorderPane border = new BorderPane();

Label topPaneText = new Label("Label - TOP");border.setTop(topPaneText);

Button centerPaneButton = new Button("Button - CENTER");border.setCenter(centerPaneButton);

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<BorderPane> <top> <Label text="Label - TOP"/> </top> <center> <Button text="Button - CENTER"/> </center></BorderPane>

FXML

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Parent root = FXMLLoader.load(getClass().getResource("Sample.fxml")); Scene scene = new Scene(root);stage.setScene(scene);stage.show();

<BorderPane> <top> <Label text="Label - TOP"/> </top> <center> <Button text="Button - CENTER"/> </center></BorderPane>

Sample.fxml

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<BorderPane fx:controller="SampleController" > <top> <Label text="Label - TOP" fx:id="label" /> </top> <center> <Button text="Button - CENTER" fx:id="button" onAction="#handleButtonAction"/> </center></BorderPane>

Sample.fxml

...public class SampleController implements Initializable { @FXML private Label label; @FXML private Button button; @FXML private void handleButtonAction(ActionEvent event) { button.setText("Button Pressed!"); label.setText("Button Pressed!"); } ...}

SampleController.java

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• UI Layout Tool• FXML Visual Editor• Integrated Developer Workflow• Preview Your Work• CSS support

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ListView

TableView

Label, TextField and TextArea

ImageView Button

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• JavaFX❖http://www.oracle.com/technetwork/java/javafx/

• NetBeans❖http://netbeans.org/

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Thanks甲骨文授權教育訓練中心

聯成電腦張益裕