MagnifierDemo.java

/*
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 * and open the template in the editor.
 */
package magnifierdemo;

import java.text.DecimalFormat;
import javafx.application.Application;
import javafx.beans.binding.StringBinding;
import javafx.beans.property.BooleanProperty;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.SimpleBooleanProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.ButtonBuilder;
import javafx.scene.control.CheckBox;
import javafx.scene.control.CheckBoxBuilder;
import javafx.scene.control.Label;
import javafx.scene.control.LabelBuilder;
import javafx.scene.control.RadioButtonBuilder;
import javafx.scene.control.Slider;
import javafx.scene.control.Tab;
import javafx.scene.control.TabPane;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.BorderPaneBuilder;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.GridPaneBuilder;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.StackPaneBuilder;
import javafx.scene.layout.VBox;
import javafx.scene.layout.VBoxBuilder;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

/**
 * Demo class for the MagnifierPane control.
 *
 * @author Jay.Thakkar
 *
 */
public class MagnifierDemo extends Application {

    private BorderPane root;
    private DoubleProperty radius = new SimpleDoubleProperty();
    private DoubleProperty frameWidth = new SimpleDoubleProperty();
    private DoubleProperty scaleFactor = new SimpleDoubleProperty();
    private DoubleProperty scopeLineWidth = new SimpleDoubleProperty();
    private BooleanProperty scopeLinesVisible = new SimpleBooleanProperty();
    final DecimalFormat df = new DecimalFormat("##.#");

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

    @Override
    public void start(Stage stage) throws Exception {
        stage.setTitle("Magnifier");
        stage.setWidth(1000);
        stage.setHeight(700);
        root = BorderPaneBuilder.create().padding(new Insets(10)).build();
        Scene scene = new Scene(root, Color.CORNSILK);
        stage.setScene(scene);
        stage.show();
        configurePropertyPane();
        configure();
    }

    private void configurePropertyPane() {
        GridPane gp = GridPaneBuilder.create().vgap(10).hgap(10).padding(new Insets(0, 15, 0, 15)).build();
        final Slider rSlider = new Slider(50, 150, 86);
        radius.bind(rSlider.valueProperty());
        Label rL = new Label();
        rL.textProperty().bind(new StringBinding() {
            {
                bind(rSlider.valueProperty());
            }

            @Override
            protected String computeValue() {
                return df.format(rSlider.getValue()) + "px";
            }
        });

        final Slider fmSlider = new Slider(3, 10, 5.5);
        frameWidth.bind(fmSlider.valueProperty());
        Label fmL = new Label();
        fmL.textProperty().bind(new StringBinding() {
            {
                bind(fmSlider.valueProperty());
            }

            @Override
            protected String computeValue() {
                return df.format(fmSlider.getValue()) + "px";
            }
        });

        final Slider sfSlider = new Slider(1, 8, 3);
        scaleFactor.bind(sfSlider.valueProperty());
        Label sfL = new Label();
        sfL.textProperty().bind(new StringBinding() {
            {
                bind(sfSlider.valueProperty());
            }

            @Override
            protected String computeValue() {
                return df.format(sfSlider.getValue()) + "";
            }
        });

        CheckBox slVisibleCB = new CheckBox();
        scopeLinesVisible.bind(slVisibleCB.selectedProperty());

        final Slider sllider = new Slider(1, 4, 1.5);
        sllider.disableProperty().bind(slVisibleCB.selectedProperty().not());

        scopeLineWidth.bind(sllider.valueProperty());
        Label slL = new Label();
        slL.textProperty().bind(new StringBinding() {
            {
                bind(sllider.valueProperty());
            }

            @Override
            protected String computeValue() {
                return df.format(sllider.getValue()) + "px";
            }
        });

        gp.add(LabelBuilder.create().text("Configurable Properties :").style("-fx-font-weight:bold;-fx-font-size:18px;").build(), 0, 0, 4,
                1);
        gp.addRow(1, new Label("Radius "), new Label(":"), rSlider, rL);
        gp.addRow(2, new Label("Frame Width "), new Label(":"), fmSlider, fmL);
        gp.addRow(3, new Label("Scale Factor "), new Label(":"), sfSlider, sfL);
        gp.addRow(4, new Label("Scope Lines Visible "), new Label(":"), slVisibleCB,
                StackPaneBuilder.create().minWidth(50).children(new Label("")).build());
        gp.addRow(5, new Label("Scope Line Width "), new Label(":"), sllider, slL);
        root.setRight(gp);
    }

    private void configure() {
        TabPane tabPane = new TabPane();

        Tab tab1 = new Tab("Sample 1");
        final ImageView sample1 = new ImageView(new Image(MagnifierDemo.class.getResourceAsStream("rocket-blueprint.jpg")));
        sample1.setFitHeight(620);
        sample1.setFitWidth(420);
        configureSample(tab1, sample1);

        Tab tab2 = new Tab("Sample 2");
        final ImageView sample2 = new ImageView(new Image(MagnifierDemo.class.getResourceAsStream("pic.jpg")));
        sample2.setFitHeight(500);
        sample2.setFitWidth(500);
        configureSample(tab2, sample2);

        Tab tab3 = new Tab("Sample 3");
        VBox vb = VBoxBuilder
                .create()
                .alignment(Pos.CENTER)
                .spacing(10)
                .children(CheckBoxBuilder.create().selected(true).build(), RadioButtonBuilder.create().selected(true).build(),
                ButtonBuilder.create().text("Magnifier").build()).build();
        configureSample(tab3, vb);

        tabPane.getTabs().addAll(tab1, tab2, tab3);
        root.setCenter(tabPane);
    }

    private void configureSample(Tab tab, Node sample) {
        MagnifierPane p = new MagnifierPane();
        p.radiusProperty().bind(radius);
        p.frameWidthProperty().bind(frameWidth);
        p.scaleFactorProperty().bind(scaleFactor);
        p.scopeLineWidthProperty().bind(scopeLineWidth);
        p.scopeLinesVisibleProperty().bind(scopeLinesVisible);
        p.getChildren().add(sample);
        StackPane c = StackPaneBuilder.create().padding(new Insets(20)).build();
        c.getChildren().add(p);
        tab.setContent(c);
    }
}