Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2002-2014 SCOOP Software GmbH
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import javafx.event.EventHandler;
import javafx.geometry.Bounds;

import javafx.geometry.Point2D;
import javafx.scene.Node;

import javafx.scene.chart.XYChart;

import javafx.scene.input.MouseEvent;

import javafx.scene.layout.StackPane;

import javafx.scene.shape.Line;

public class Main {
    public static void addMarker(final XYChart<?, ?> chart, final StackPane chartWrap) {
        final Line valueMarker = new Line();
        final Node chartArea = chart.lookup(".chart-plot-background");

        chartArea.setOnMouseMoved(new EventHandler<MouseEvent>() {
            @Override
            public void handle(MouseEvent event) {
                Point2D scenePoint = chart.localToScene(event.getSceneX(), event.getSceneY());
                Point2D position = chartWrap.sceneToLocal(scenePoint.getX(), scenePoint.getY());

                Bounds chartAreaBounds = chartArea.localToScene(chartArea.getBoundsInLocal());
                valueMarker.setStartY(0);
                valueMarker.setEndY(chartWrap.sceneToLocal(chartAreaBounds).getMaxY()
                        - chartWrap.sceneToLocal(chartAreaBounds).getMinY());

                valueMarker.setStartX(0);
                valueMarker.setEndX(0);
                valueMarker.setTranslateX(position.getX() - chartWrap.getWidth() / 2);

                double ydelta = chartArea.localToScene(0, 0).getY() - chartWrap.localToScene(0, 0).getY();
                valueMarker.setTranslateY(-ydelta * 2);
            }
        });

        chartWrap.getChildren().add(valueMarker);
    }
}