javafx/javafx2.samples/ChartLine/src/chartline/ChartLine.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
package chartline;

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.chart.LineChart;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.XYChart;
import javafx.stage.Stage;
 
/**
 * A chart in which lines connect a series of data points. Useful for viewing
 * data trends over time.
 *
 * @see javafx.scene.chart.LineChart
 * @see javafx.scene.chart.Chart
 * @see javafx.scene.chart.Axis
 * @see javafx.scene.chart.NumberAxis
 * @related charts/area/AreaChart
 * @related charts/scatter/ScatterChart
 */
public class ChartLine extends Application {
 
    private void init(Stage primaryStage) {
        Group root = new Group();
        primaryStage.setScene(new Scene(root));
        NumberAxis xAxis = new NumberAxis("Values for X-Axis", 0, 3, 1);
        NumberAxis yAxis = new NumberAxis("Values for Y-Axis", 0, 3, 1);
        ObservableList<XYChart.Series<Double,Double>> lineChartData = FXCollections.observableArrayList(
            new LineChart.Series<Double,Double>("Series 1", FXCollections.observableArrayList(
                new XYChart.Data<Double,Double>(0.0, 1.0),
                new XYChart.Data<Double,Double>(1.2, 1.4),
                new XYChart.Data<Double,Double>(2.2, 1.9),
                new XYChart.Data<Double,Double>(2.7, 2.3),
                new XYChart.Data<Double,Double>(2.9, 0.5)
            )),
            new LineChart.Series<Double,Double>("Series 2", FXCollections.observableArrayList(
                new XYChart.Data<Double,Double>(0.0, 1.6),
                new XYChart.Data<Double,Double>(0.8, 0.4),
                new XYChart.Data<Double,Double>(1.4, 2.9),
                new XYChart.Data<Double,Double>(2.1, 1.3),
                new XYChart.Data<Double,Double>(2.6, 0.9)
            ))
        );
        LineChart chart = new LineChart(xAxis, yAxis, lineChartData);
        root.getChildren().add(chart);
    }
 
    @Override public void start(Stage primaryStage) throws Exception {
        init(primaryStage);
        primaryStage.show();
    }

    /**
     * The main() method is ignored in correctly deployed JavaFX 
     * application. main() serves only as fallback in case the 
     * application can not be launched through deployment artifacts,
     * e.g., in IDEs with limited FX support. NetBeans ignores main().
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }
}