Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Copyright (c) 2008, 2014, 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 Corporation 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 ensemble.samples.scenegraph.events.mouseevent;
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.EventHandler;
import javafx.geometry.Point2D;
import javafx.scene.Cursor;
import javafx.scene.Group;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.ListView;
import javafx.scene.effect.InnerShadow;
import javafx.scene.input.MouseEvent;
import javafx.scene.input.ScrollEvent;
import javafx.scene.paint.Color;
import javafx.scene.paint.CycleMethod;
import javafx.scene.paint.LinearGradient;
import javafx.scene.paint.RadialGradient;
import javafx.scene.paint.Stop;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;
/**
* A sample that demonstrates various mouse and scroll events and their usage.
* Click the circles and drag them across the screen. Scroll the whole screen.
* All events are logged to the console.
*
* @sampleName MouseEvent
* @preview preview.png
* @see javafx.scene.Cursor
* @see javafx.scene.input.MouseEvent
* @see javafx.event.EventHandler
*/
public class MouseEventApp extends Application {
private final static int RECT_WIDTH = 310;
private final static int RECT_HEIGHT = 150;
private final static int CONSOLE_WIDTH = RECT_WIDTH;
private final static int CONSOLE_HEIGHT = 80;
private final static int SMALL_CIRCLE_STARTX = 50;
private final static int SMALL_CIRCLE_STARTY = 50;
private final static int BIG_CIRCLE_STARTX = 180;
private final static int BIG_CIRCLE_STARTY = 50;
//create a console for logging mouse events
final ListView console = new ListView<>();
//create a observableArrayList of logged events that will be listed in console
final ObservableList consoleObservableList = FXCollections.observableArrayList();
{
//set up the console
console.setItems(consoleObservableList);
console.setLayoutY(RECT_HEIGHT + 5);
console.setPrefSize(CONSOLE_WIDTH, CONSOLE_HEIGHT);
}
//create a rectangle in which our circles can move
final Rectangle rectangle = new Rectangle(RECT_WIDTH, RECT_HEIGHT, new LinearGradient(0, 0, 0, 1, true, CycleMethod.NO_CYCLE, new Stop[]{
new Stop(1, Color.rgb(156, 216, 255)),
new Stop(0, Color.rgb(156, 216, 255, 0.5))
}));
//variables for storing initial position before drag of circle
private double initX;
private double initY;
private Point2D dragAnchor;
public Parent createContent() {
rectangle.setStroke(Color.BLACK);
// create circle with method listed below: paramethers: name of the circle, color of the circle, radius
final Circle circleSmall = createCircle("Blue circle", Color.DODGERBLUE, 25);
circleSmall.setTranslateX(SMALL_CIRCLE_STARTX);
circleSmall.setTranslateY(SMALL_CIRCLE_STARTY);
// and a second, bigger circle
final Circle circleBig = createCircle("Orange circle", Color.CORAL, 40);
circleBig.setTranslateX(BIG_CIRCLE_STARTX);
circleBig.setTranslateY(BIG_CIRCLE_STARTY);
// we can set mouse event to any node, also on the rectangle
rectangle.setOnMouseMoved((MouseEvent me) -> {
//log mouse move to console, method listed below
showOnConsole("Mouse moved, x: " + me.getX() + ", y: " + me.getY());
});
rectangle.setOnScroll((ScrollEvent event) -> {
double translateX = event.getDeltaX();
double translateY = event.getDeltaY();
// reduce the deltas for the circles to stay in the screen
for (Circle c : new Circle[]{circleSmall, circleBig}) {
if (c.getTranslateX() + translateX + c.getRadius() > RECT_WIDTH) {
translateX = RECT_WIDTH - c.getTranslateX() - c.getRadius();
}
if (c.getTranslateX() + translateX - c.getRadius() < 0) {
translateX = -c.getTranslateX() + c.getRadius();
}
if (c.getTranslateY() + translateY + c.getRadius() > RECT_HEIGHT) {
translateY = RECT_HEIGHT - c.getTranslateY() - c.getRadius();
}
if (c.getTranslateY() + translateY - c.getRadius() < 0) {
translateY = -c.getTranslateY() + c.getRadius();
}
}
// move the circles
for (Circle c : new Circle[]{circleSmall, circleBig}) {
c.setTranslateX(c.getTranslateX() + translateX);
c.setTranslateY(c.getTranslateY() + translateY);
}
// log event
showOnConsole("Scrolled, deltaX: " + event.getDeltaX()
+ ", deltaY: " + event.getDeltaY());
});
return new Group(rectangle, circleBig, circleSmall, console);
}
private Circle createCircle(final String name, final Color color, int radius) {
//create a circle with desired name, color and radius
final Circle circle = new Circle(radius, new RadialGradient(0, 0, 0.2, 0.3, 1, true, CycleMethod.NO_CYCLE, new Stop[]{
new Stop(0, Color.rgb(250, 250, 255)),
new Stop(1, color)
}));
//add a shadow effect
circle.setEffect(new InnerShadow(7, color.darker().darker()));
//change a cursor when it is over circle
circle.setCursor(Cursor.HAND);
//add a mouse listeners
circle.setOnMouseClicked((MouseEvent me) -> {
showOnConsole("Clicked on" + name + ", " + me.getClickCount() + "times");
//the event will be passed only to the circle which is on front
me.consume();
});
circle.setOnMouseDragged((MouseEvent me) -> {
double dragX = me.getSceneX() - dragAnchor.getX();
double dragY = me.getSceneY() - dragAnchor.getY();
//calculate new position of the circle
double newXPosition = initX + dragX;
double newYPosition = initY + dragY;
//if new position do not exceeds borders of the rectangle, translate to this position
if ((newXPosition >= circle.getRadius()) && (newXPosition <= RECT_WIDTH - circle.getRadius())) {
circle.setTranslateX(newXPosition);
}
if ((newYPosition >= circle.getRadius()) && (newYPosition <= RECT_HEIGHT - circle.getRadius())) {
circle.setTranslateY(newYPosition);
}
showOnConsole(name + " was dragged (x:" + dragX + ", y:" + dragY + ")");
});
circle.setOnMouseEntered((MouseEvent me) -> {
//change the z-coordinate of the circle
circle.toFront();
showOnConsole("Mouse entered " + name);
});
circle.setOnMouseExited((MouseEvent me) -> {
showOnConsole("Mouse exited " + name);
});
circle.setOnMousePressed((MouseEvent me) -> {
//when mouse is pressed, store initial position
initX = circle.getTranslateX();
initY = circle.getTranslateY();
dragAnchor = new Point2D(me.getSceneX(), me.getSceneY());
showOnConsole("Mouse pressed above " + name);
});
circle.setOnMouseReleased((MouseEvent me) -> {
showOnConsole("Mouse released above " + name);
});
return circle;
}
private void showOnConsole(String text) {
//if there is 8 items in list, delete first log message, shift other logs and add a new one to end position
if (consoleObservableList.size() == 8) {
consoleObservableList.remove(0);
}
consoleObservableList.add(text);
}
@Override
public void start(Stage primaryStage) throws Exception {
primaryStage.setScene(new Scene(createContent()));
primaryStage.show();
}
/**
* Java main for when running without JavaFX launcher
* @param args command line arguments
*/
public static void main(String[] args) {
launch(args);
}
}
