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package layoutsizingaligning; import java.util.Iterator; import javafx.application.Application; import javafx.geometry.HPos; import javafx.geometry.Insets; import javafx.geometry.Orientation; import javafx.scene.control.Control; import javafx.scene.Scene; import javafx.collections.FXCollections; import javafx.collections.ObservableList; import javafx.geometry.Pos; import javafx.scene.control.Button; import javafx.scene.control.Label; import javafx.scene.control.ListView; import javafx.scene.control.PasswordField; import javafx.scene.control.Tab; import javafx.scene.control.TabPane; import javafx.scene.control.TextField; import javafx.scene.layout.*; import javafx.stage.Stage; /** * Sample application that shows how the sized of controls can be managed. * Sample is for demonstration purposes only, most controls are inactive. */ public class LayoutSizingAligning extends Application { // Define buttons here for access by multiple methods private Button btnApply = new Button("Apply"); private Button btnContinue = new Button("Continue"); private Button btnExit = new Button("Exit"); /** * @param args the command line arguments */ public static void main(String[] args) { Application.launch(LayoutSizingAligning.class, args); } @Override public void start(Stage primaryStage) { // Make Exit button bigger by using larger font for label btnExit.setStyle("-fx-font-size: 15pt;"); // Use tab pane with one tab for sizing UI and one tab for alignment UI TabPane tabs = new TabPane(); Tab tabSize = new Tab(); tabSize.setText("Sizing"); tabSize.setContent(sizingSample()); Tab tabAlign = new Tab(); tabAlign.setText("Alignment"); tabAlign.setContent(alignmentSample()); tabs.getTabs().addAll(tabSize, tabAlign); Scene scene = new Scene(tabs, 300, 400); // Manage scene size primaryStage.setTitle("Sizing and Aligning"); primaryStage.setScene(scene); primaryStage.show(); } /* * Creates the UI for the sizing sample, which demonstrates ways to manage * the size of controls when you don't want the default sizes. */ private Pane sizingSample() { BorderPane border = new BorderPane(); border.setPadding(new Insets(20, 0, 20, 20)); ListView<String> lvList = new ListView<String>(); ObservableList<String> items = FXCollections.observableArrayList ( "Hot dog", "Hamburger", "French fries", "Carrot sticks", "Chicken salad"); lvList.setItems(items); lvList.setMaxHeight(Control.USE_PREF_SIZE); lvList.setPrefWidth(150.0); border.setLeft(lvList); border.setRight(createButtonColumn()); border.setBottom(createButtonRow()); // Uses a tile pane for sizing // border.setBottom(createButtonBox()); // Uses an HBox, no sizing return border; } /* * Creates the UI for the alignment sample, which demonstrates ways to manage * the alignment of controls when you don't want the default alignment. */ private Pane alignmentSample() { GridPane grid = new GridPane(); grid.setAlignment(Pos.CENTER); // Override default grid.setHgap(10); grid.setVgap(12); // Use column constraints to set properties for columns in the grid ColumnConstraints column1 = new ColumnConstraints(); column1.setHalignment(HPos.RIGHT); // Override default grid.getColumnConstraints().add(column1); ColumnConstraints column2 = new ColumnConstraints(); column2.setHalignment(HPos.LEFT); // Override default grid.getColumnConstraints().add(column2); HBox hbButtons = new HBox(); hbButtons.setSpacing(10.0); hbButtons.setAlignment(Pos.CENTER); // Aligns HBox and controls in HBox Button btnSubmit = new Button("Submit"); Button btnClear = new Button("Clear"); Button btnExit2 = new Button("Exit"); btnSubmit.setStyle("-fx-font-size: 15pt;"); Label lblName = new Label("User name:"); TextField tfName = new TextField(); Label lblPwd = new Label("Password:"); PasswordField pfPwd = new PasswordField(); hbButtons.getChildren().addAll(btnSubmit, btnClear, btnExit2); grid.add(lblName, 0, 0); grid.add(tfName, 1, 0); grid.add(lblPwd, 0, 1); grid.add(pfPwd, 1, 1); grid.add(hbButtons, 0, 2, 2, 1); /* Uncomment the following statements to bottom-align the buttons */ // hbButtons.setAlignment(Pos.BOTTOM_CENTER); // GridPane innergrid = new GridPane(); // innergrid.setAlignment(Pos.CENTER); // innergrid.add(hbButtons, 0, 0); // grid.add(innergrid, 0, 2, 2, 1); return grid; } /* * Creates a column of buttons and makes them all the same width as the * largest button. */ private VBox createButtonColumn() { Button btnAdd = new Button("Add"); Button btnDelete = new Button("Delete"); Button btnMoveUp = new Button("Move Up"); Button btnMoveDown = new Button("Move Down"); // Comment out the following statements to see the default button sizes btnAdd.setMaxSize(Double.MAX_VALUE, Double.MAX_VALUE); btnDelete.setMaxSize(Double.MAX_VALUE, Double.MAX_VALUE); btnMoveUp.setMaxSize(Double.MAX_VALUE, Double.MAX_VALUE); btnMoveDown.setMaxSize(Double.MAX_VALUE, Double.MAX_VALUE); btnMoveDown.setMinWidth(Control.USE_PREF_SIZE); VBox vbButtons = new VBox(); vbButtons.setSpacing(10); vbButtons.setPadding(new Insets(0, 20, 10, 20)); vbButtons.getChildren().addAll( btnAdd, btnDelete, btnMoveUp, btnMoveDown); return vbButtons; } /* * Creates a row of buttons and makes them all the same size. */ private TilePane createButtonRow() { // Let buttons grow, otherwise they will be different sizes based // on the length of the label btnApply.setMaxSize(Double.MAX_VALUE, Double.MAX_VALUE); btnContinue.setMaxSize(Double.MAX_VALUE, Double.MAX_VALUE); btnExit.setMaxSize(Double.MAX_VALUE, Double.MAX_VALUE); TilePane tileButtons = new TilePane(Orientation.HORIZONTAL); tileButtons.setPadding(new Insets(20, 10, 20, 0)); tileButtons.setHgap(10.0); tileButtons.setVgap(8.0); // In case window is reduced and buttons // require another row tileButtons.getChildren().addAll(btnApply, btnContinue, btnExit); return tileButtons; } /* * Creates a row of buttons with the default sizes. */ private HBox createButtonBox() { HBox hbButtons = new HBox(); hbButtons.setSpacing(10); hbButtons.setPadding(new Insets(20, 10, 20, 0)); hbButtons.getChildren().addAll(btnApply, btnContinue, btnExit); return hbButtons; } }