Wentworth Institute Of Technology COMP1050 –Computer .
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyJavaFX BasicsLecture 7JavaFX BasicsFebruary 27, 20171
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyGraphical User Interface So far all our interaction with the user hasbeen via terminal (System.in), commandline arguments (args), and files We now look at the basics of GUIs(pronounced “gooey”) – graphical userinterfaces– Window(s), menus, buttons, etc.JavaFX BasicsFebruary 27, 20172
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyJavaFX JavaFX is a relatively new framework fordeveloping Java GUI programs The JavaFX API is an excellent example ofOOP JavaFX replaces older frameworks– Abstract Window Toolkit (AWT): prone toplatform-specific bugs, original GUI framework– Swing: replaced AWT, now superseded byJavaFXJavaFX BasicsFebruary 27, 20173
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyOlder Java GUIsJavaFX BasicsFebruary 27, 20174
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyJavaFX Features Runs on a desktop or from a Web browser Provides a multi-touch support for touchenabled devices (tablets and smartphones) Has built-in 2D/3D animation support,video and audio playbackJavaFX BasicsFebruary 27, 20175
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyYour First JavaFX Project Create a new project in Eclipse– Name: MyJavaFX Create a new class– MyJavaFX Extend the “Application” class– Include a main methodpublic class MyJavaFX extends Application {public static void main(String[] args) {}}JavaFX BasicsFebruary 27, 20176
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyIncluding JavaFX All JavaFX applications need the JavaFX runtimelibrary (jfxrt.jar) added to the class path (locationjava looks for libraries) In Eclipse 1.2.3.Right-click project, PropertiesJava Build Path - LibrariesAdd External JARs Mac: /Library/Java/JavaVirtualMachines/jdk1.8.X X.jdk/Contents/Home/jre/lib/ext 4.Windows:C:\Program Files\Java\jdk1.8.X X\jre\extOrder and Export - move jfxrt.jar to the top, OKJavaFX BasicsFebruary 27, 20177
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyScreenshots (1)JavaFX BasicsFebruary 27, 20178
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyScreenshots (2)JavaFX BasicsFebruary 27, 20179
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyMy First JavaFX avafx.stage.Stage;public class MyJavaFX extends Application {public static void main(String[] args) {launch(args);}@Overridepublic void start(Stage primaryStage) {primaryStage.setTitle("Hello World!");final Button btn new Button();btn.setText("Click Me!");final StackPane root new ge.setScene(new Scene(root, 300, 250));primaryStage.show();}}JavaFX BasicsFebruary 27, 201710
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyPlatform-Independent GUIJavaFX BasicsFebruary 27, 201711
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyBasic Structure of JavaFX1. Extend Application2. launch(args) inmain3. Overridestart(Stage)4. Populate––StageSceneButtonStage (Window):primary default, canhave multipleScene: hierarchicalgraph of nodesJavaFX BasicsFebruary 27, 201712
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyMultiple Windowspublic void start(Stage primaryStage) {Scene scene new Scene(new Button("OK"), 200, e.setScene(scene);primaryStage.show();Stage stage new Stage();stage.setTitle("Second Stage");stage.setScene(new Scene(new Button("New Stage"),100, 100));stage.show();}JavaFX BasicsFebruary 27, 201713
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyUML RelationshipsJavaFX BasicsFebruary 27, 201714
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 ane;javafx.stage.Stage;public class MyJavaFX extends Application {public static void main(String[] args) {launch(args);}@Overridepublic void start(Stage primaryStage) {primaryStage.setTitle("Hello World!");final Button btn new Button();btn.setText("Click Me!");final StackPane root new StackPane(); // Forms the root of the nodes, organize verticallyroot.getChildren().add(btn); // Add the button to the rootprimaryStage.setScene(new Scene(root, 300, 250)); // Place the pane in the sceneprimaryStage.show();}}JavaFX BasicsFebruary 27, 201715
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyAnother Examplepublic void start(Stage primaryStage) {final Circle c new r.WHITE);Pane pane new Pane();pane.getChildren().add(c);Scene scene new Scene(pane, 200, .setScene(scene);primaryStage.show();}JavaFX BasicsFebruary 27, 201716
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyNotes(0,0)(100,100)JavaFX BasicsFebruary 27, 201717
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyResizing the Window :(JavaFX BasicsFebruary 27, 201718
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskySolution 1: No ResizingprimaryStage.setResizable(false);JavaFX BasicsFebruary 27, 201719
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskySolution 2: Property Binding JavaFX introduces a new concept calledproperty binding that enables a targetobject to be bound to a source object If the value in the source object changes, thetarget object is also changed automatically The target object is called a binding object ora binding property and the source object iscalled a bindable object or observable objectJavaFX BasicsFebruary 27, 201720
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyExamplepublic void start(Stage primaryStage) {Pane pane new Pane();final Circle c new Scene scene new Scene(pane, 200, .setScene(scene);primaryStage.show();}JavaFX BasicsFebruary 27, 201721
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyThe Color ClassJavaFX BasicsFebruary 27, 201722
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyExampleRectangle rec1 new Rectangle(5, 5, 50, REEN);rec1.setStrokeWidth(3);Rectangle rec2 new Rectangle(65, 5, 50, 40);rec2.setFill(Color.rgb(91, 127, 255));rec2.setStroke(Color.hsb(40, 0.7, 0.8));rec2.setStrokeWidth(3);JavaFX BasicsFebruary 27, 201723
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyThe Font ClassJavaFX BasicsFebruary 27, 201724
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 idPane grid new GridPane();// setPadding(new Insets(25, 25, 25, 25));Text scenetitle new Text("Howdy :)");scenetitle.setFont(Font.font("Tahoma", FontWeight.NORMAL, 20));grid.add(scenetitle, 0, 0, 2, 1);Label userName new Label("User Name:");grid.add(userName, 0, 1);TextField userTextField new TextField();grid.add(userTextField, 1, 1);Label pw new Label("Password:");grid.add(pw, 0, 2);PasswordField pwBox new PasswordField();grid.add(pwBox, 1, 2);Scene scene new Scene(grid, 300, w();JavaFX BasicsFebruary 27, 201725
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyThe Image ClassJavaFX BasicsFebruary 27, 201726
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyThe ImageView ClassJavaFX BasicsFebruary 27, 201727
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyExampleprimaryStage.setTitle("Load Image");StackPane sp new StackPane();Image img new lelogo/2x/googlelogo color 272x92dp.png");ImageView imgView new ImageView(img);sp.getChildren().add(imgView);Scene scene new e.show();JavaFX BasicsFebruary 27, 201728
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyThe MediaPlayer ClassJavaFX BasicsFebruary 27, 201729
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyExampleMediaPlayer player;@Overridepublic void start(Stage primaryStage) throws Exception {final Button b new Button("pause");b.setOnAction(new EventHandler ActionEvent () { // more on this later!@Overridepublic void handle(ActionEvent event) {if (player.getStatus() Status.PAUSED) {player.play();b.setText("pause");} else {player.pause();b.setText("play!");}}});final StackPane sp new StackPane();sp.getChildren().add(b);player new MediaPlayer(new ()));player.play();primaryStage.setScene(new Scene(sp));primaryStage.show();}JavaFX BasicsFebruary 27, 201730
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyLayout Panes JavaFX provides many types of panes fororganizing nodes in a container– Pane: base class– FlowPane: row-by-row vertically, or column-bycolumn horizontally– BorderPane: top-right-left-bottom-center– StackPane: stack vertically in the center– GridPane: 2D grid– HBox: single row– VBox: single columnJavaFX BasicsFebruary 27, 201731
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyFlowPaneJavaFX BasicsFebruary 27, 201732
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyBorderPaneJavaFX BasicsFebruary 27, 201733
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyFYI: Code@Overridepublic void start(Stage primaryStage) throws Exception {BorderPane pane new BorderPane();pane.setTop(new CustomPane("Top"));pane.setRight(new CustomPane("Right"));pane.setBottom(new CustomPane("Bottom"));pane.setLeft(new CustomPane("Left"));pane.setCenter(new CustomPane("Center"));Scene scene new ;}class CustomPane extends StackPane {public CustomPane(String title) {getChildren().add(new Label(title));setStyle("-fx-border-color: red");setPadding(new Insets(11.5, 12.5, 13.5, 14.5));}}JavaFX BasicsFebruary 27, 201734
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyHBox and VBoxJavaFX BasicsFebruary 27, 201735
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyShapesJavaFX BasicsFebruary 27, 201736
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyTextJavaFX BasicsFebruary 27, 201737
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyLineJavaFX BasicsFebruary 27, 201738
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyRectangleJavaFX BasicsFebruary 27, 201739
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyCircleJavaFX BasicsFebruary 27, 201740
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyEllipseJavaFX BasicsFebruary 27, 201741
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyArc (1)JavaFX BasicsFebruary 27, 201742
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyArc (2)(a) Negative starting angle –30 andnegative spanning angle –20 –30 –50 –20 20 (b) Negative starting angle –50 and positive spanning angle 20 JavaFX BasicsFebruary 27, 201743
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyPolygon and PolylineJavaFX BasicsFebruary 27, 201744
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 Derbinskye(fx)clipse Provides JavaFX tooling for the Eclipse http://www.eclipse.org/efxclipse/JavaFX BasicsFebruary 27, 201745
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyInstalling e(fx)clipse (1)JavaFX BasicsFebruary 27, 201746
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyInstalling e(fx)clipse (2) Eclipse - Help - Install New SoftwareJavaFX BasicsFebruary 27, 201747
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyInstalling e(fx)clipse (3) Add location ofe(fx)clipse update site ased/2.4.0/siteJavaFX BasicsFebruary 27, 201748
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyInstalling e(fx)clipse (4) Select “e(fx)clipse install” - “e(fx)clipse- IDE”JavaFX BasicsFebruary 27, 201749
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyInstalling e(fx)clipse (5) NextJavaFX BasicsFebruary 27, 201750
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyInstalling e(fx)clipse (6) Agree, FinishJavaFX BasicsFebruary 27, 201751
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyInstalling e(fx)clipse (7) RestartJavaFX BasicsFebruary 27, 201752
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyUsing e(fx)clipse File - New - ProjectJavaFX BasicsFebruary 27, 201753
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskySceneBuilder A Visual Layout Tool for JavaFX Applications Quickly design JavaFX GUI via drag-anddrop components that write an FXML file FXML file can be combined with a Javaproject http://gluonhq.com/products/scene-builder/JavaFX BasicsFebruary 27, 201754
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyUsing SceneBuilder Install In Eclipse - Preferences - JavaFX– Set path to SceneBuilder In Project, New - Other - JavaFX - New FXML Document Right click - Open with SceneBuilderJavaFX BasicsFebruary 27, 201755
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyExampleJavaFX BasicsFebruary 27, 201756
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyCorresponding FXMLJavaFX BasicsFebruary 27, 201757
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyCode@Overridepublic void start(Stage primaryStage) throws Exception {Parent root "));Scene scene new JavaFX BasicsFebruary 27, 201758
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyPotential Issue Update to latest JDK Eclipse Eclipse - Preferences- Java - InstalledJREs Update it to latest JREversionJavaFX BasicsFebruary 27, 201759
Wentworth Institute of TechnologyCOMP1050 – Computer Science II Spring 2017 DerbinskyTake Home Points You have now seen the basics of usingJavaFX for creating graphical userinterfaces (GUIs) Start playing around!– This will be necessary for your project– Install the tool(s) you plan to use More to come: how to respond to events (e.g.user clicks a button)JavaFX BasicsFebruary 27, 201760
Wentworth Institute of Technology COMP1050 –Computer Science II Spring 2017 Derbinsky Including JavaFX All JavaFX applications need the JavaFX runtime library (jfxrt.jar) added to the class path (location java looks for libraries) In Eclipse 1. Right-click project, Properties 2. Java Build P
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1 Introduction Formal ontologies provide a conceptual model of a domain of interest by describing the vocabulary of that domain in terms of a logical language, such as a description logic (DL). To cater for different applications and uses of ontologies, DLs and other ontology languages vary significantly regard-ing expressive power and computational complexity (Baader et al. 2003). For .
