Java tutorial
/* * Copyright (c) 2012 Oracle and/or its affiliates. * All rights reserved. Use is subject to license terms. * * This file is available and licensed under the following license: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the distribution. * - Neither the name of Oracle nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ //package layoutsample; import javafx.application.Application; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.geometry.VPos; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.control.Hyperlink; import javafx.scene.image.Image; import javafx.scene.image.ImageView; import javafx.scene.layout.AnchorPane; import javafx.scene.layout.BorderPane; import javafx.scene.layout.FlowPane; import javafx.scene.layout.GridPane; import javafx.scene.layout.HBox; import javafx.scene.layout.Priority; import javafx.scene.layout.StackPane; import javafx.scene.layout.TilePane; import javafx.scene.layout.VBox; import javafx.scene.paint.Color; import javafx.scene.paint.CycleMethod; import javafx.scene.paint.LinearGradient; import javafx.scene.paint.Stop; import javafx.scene.shape.Rectangle; import javafx.scene.text.Font; import javafx.scene.text.FontWeight; import javafx.scene.text.Text; import javafx.stage.Stage; /** * Sample application that shows examples of the different layout panes * provided by the JavaFX layout API. * The resulting UI is for demonstration purposes only and is not interactive. */ public class Main extends Application { /** * @param args the command line arguments */ public static void main(String[] args) { launch(Main.class, args); } @Override public void start(Stage stage) { // Use a border pane as the root for scene BorderPane border = new BorderPane(); HBox hbox = addHBox(); border.setTop(hbox); border.setLeft(addVBox()); // Add a stack to the HBox in the top region addStackPane(hbox); // To see only the grid in the center, uncomment the following statement // comment out the setCenter() call farther down // border.setCenter(addGridPane()); // Choose either a TilePane or FlowPane for right region and comment out the // one you aren't using border.setRight(addFlowPane()); // border.setRight(addTilePane()); // To see only the grid in the center, comment out the following statement // If both setCenter() calls are executed, the anchor pane from the second // call replaces the grid from the first call border.setCenter(addAnchorPane(addGridPane())); Scene scene = new Scene(border, 585, 415); stage.setScene(scene); stage.setTitle("Layout Sample"); stage.show(); } /* * Creates an HBox with two buttons for the top region */ private HBox addHBox() { HBox hbox = new HBox(); hbox.setPadding(new Insets(15, 12, 15, 12)); hbox.setSpacing(10); // Gap between nodes hbox.setStyle("-fx-background-color: #336699;"); Button buttonCurrent = new Button("Current"); buttonCurrent.setPrefSize(100, 20); Button buttonProjected = new Button("Projected"); buttonProjected.setPrefSize(100, 20); hbox.getChildren().addAll(buttonCurrent, buttonProjected); return hbox; } /* * Creates a VBox with a list of links for the left region */ private VBox addVBox() { VBox vbox = new VBox(); vbox.setPadding(new Insets(10)); // Set all sides to 10 vbox.setSpacing(8); // Gap between nodes Text title = new Text("Data"); title.setFont(Font.font("Arial", FontWeight.BOLD, 14)); vbox.getChildren().add(title); Hyperlink options[] = new Hyperlink[] { new Hyperlink("Sales"), new Hyperlink("Marketing"), new Hyperlink("Distribution"), new Hyperlink("Costs") }; for (int i = 0; i < 4; i++) { // Add offset to left side to indent from title VBox.setMargin(options[i], new Insets(0, 0, 0, 8)); vbox.getChildren().add(options[i]); } return vbox; } /* * Uses a stack pane to create a help icon and adds it to the right side of an HBox * * @param hb HBox to add the stack to */ private void addStackPane(HBox hb) { StackPane stack = new StackPane(); Rectangle helpIcon = new Rectangle(30.0, 25.0); helpIcon.setFill(new LinearGradient(0, 0, 0, 1, true, CycleMethod.NO_CYCLE, new Stop[] { new Stop(0, Color.web("#4977A3")), new Stop(0.5, Color.web("#B0C6DA")), new Stop(1, Color.web("#9CB6CF")), })); helpIcon.setStroke(Color.web("#D0E6FA")); helpIcon.setArcHeight(3.5); helpIcon.setArcWidth(3.5); Text helpText = new Text("?"); helpText.setFont(Font.font("Verdana", FontWeight.BOLD, 18)); helpText.setFill(Color.WHITE); helpText.setStroke(Color.web("#7080A0")); stack.getChildren().addAll(helpIcon, helpText); stack.setAlignment(Pos.CENTER_RIGHT); // Add offset to right for question mark to compensate for RIGHT // alignment of all nodes StackPane.setMargin(helpText, new Insets(0, 10, 0, 0)); hb.getChildren().add(stack); HBox.setHgrow(stack, Priority.ALWAYS); } /* * Creates a grid for the center region with four columns and three rows */ private GridPane addGridPane() { GridPane grid = new GridPane(); grid.setHgap(10); grid.setVgap(10); grid.setPadding(new Insets(0, 10, 0, 10)); // Category in column 2, row 1 Text category = new Text("Sales:"); category.setFont(Font.font("Arial", FontWeight.BOLD, 20)); grid.add(category, 1, 0); // Title in column 3, row 1 Text chartTitle = new Text("Current Year"); chartTitle.setFont(Font.font("Arial", FontWeight.BOLD, 20)); grid.add(chartTitle, 2, 0); // Subtitle in columns 2-3, row 2 Text chartSubtitle = new Text("Goods and Services"); grid.add(chartSubtitle, 1, 1, 2, 1); // House icon in column 1, rows 1-2 ImageView imageHouse = new ImageView(new Image(Main.class.getResourceAsStream("graphics/house.png"))); grid.add(imageHouse, 0, 0, 1, 2); // Left label in column 1 (bottom), row 3 Text goodsPercent = new Text("Goods\n80%"); GridPane.setValignment(goodsPercent, VPos.BOTTOM); grid.add(goodsPercent, 0, 2); // Chart in columns 2-3, row 3 ImageView imageChart = new ImageView(new Image(Main.class.getResourceAsStream("graphics/piechart.png"))); grid.add(imageChart, 1, 2, 2, 1); // Right label in column 4 (top), row 3 Text servicesPercent = new Text("Services\n20%"); GridPane.setValignment(servicesPercent, VPos.TOP); grid.add(servicesPercent, 3, 2); // grid.setGridLinesVisible(true); return grid; } /* * Creates a horizontal flow pane with eight icons in four rows */ private FlowPane addFlowPane() { FlowPane flow = new FlowPane(); flow.setPadding(new Insets(5, 0, 5, 0)); flow.setVgap(4); flow.setHgap(4); flow.setPrefWrapLength(170); // preferred width allows for two columns flow.setStyle("-fx-background-color: DAE6F3;"); ImageView pages[] = new ImageView[8]; for (int i = 0; i < 8; i++) { pages[i] = new ImageView( new Image(Main.class.getResourceAsStream("graphics/chart_" + (i + 1) + ".png"))); flow.getChildren().add(pages[i]); } return flow; } /* * Creates a horizontal (default) tile pane with eight icons in four rows */ private TilePane addTilePane() { TilePane tile = new TilePane(); tile.setPadding(new Insets(5, 0, 5, 0)); tile.setVgap(4); tile.setHgap(4); tile.setPrefColumns(2); tile.setStyle("-fx-background-color: DAE6F3;"); ImageView pages[] = new ImageView[8]; for (int i = 0; i < 8; i++) { pages[i] = new ImageView( new Image(Main.class.getResourceAsStream("graphics/chart_" + (i + 1) + ".png"))); tile.getChildren().add(pages[i]); } return tile; } /* * Creates an anchor pane using the provided grid and an HBox with buttons * * @param grid Grid to anchor to the top of the anchor pane */ private AnchorPane addAnchorPane(GridPane grid) { AnchorPane anchorpane = new AnchorPane(); Button buttonSave = new Button("Save"); Button buttonCancel = new Button("Cancel"); HBox hb = new HBox(); hb.setPadding(new Insets(0, 10, 10, 10)); hb.setSpacing(10); hb.getChildren().addAll(buttonSave, buttonCancel); anchorpane.getChildren().addAll(grid, hb); // Anchor buttons to bottom right, anchor grid to top AnchorPane.setBottomAnchor(hb, 8.0); AnchorPane.setRightAnchor(hb, 5.0); AnchorPane.setTopAnchor(grid, 10.0); return anchorpane; } }