dbseer.gui.events.InformationChartMouseListener.java Source code

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Here is the source code for dbseer.gui.events.InformationChartMouseListener.java

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/*
 * Copyright 2013 Barzan Mozafari
 *
 * 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.
 */

package dbseer.gui.events;

import dbseer.gui.panel.DBSeerPredictionInformationChartPanel;
import dbseer.gui.panel.DBSeerPredictionWithTPSMixturePanel;
import org.jfree.chart.ChartMouseEvent;
import org.jfree.chart.ChartMouseListener;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.DataUtilities;
import org.jfree.data.general.DatasetUtilities;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.RectangleEdge;

import java.awt.geom.Rectangle2D;

/**
 * Created by dyoon on 5/4/15.
 */
public class InformationChartMouseListener implements ChartMouseListener {
    DBSeerPredictionInformationChartPanel chartPanel;
    DBSeerPredictionWithTPSMixturePanel tpsMixturePanel;

    public InformationChartMouseListener(DBSeerPredictionWithTPSMixturePanel tpsMixturePanel) {
        this.tpsMixturePanel = tpsMixturePanel;
    }

    public void setChartPanel(DBSeerPredictionInformationChartPanel chartPanel) {
        this.chartPanel = chartPanel;
    }

    @Override
    public void chartMouseClicked(ChartMouseEvent event) {
        Rectangle2D dataArea = chartPanel.getScreenDataArea();
        JFreeChart chart = event.getChart();
        XYPlot plot = (XYPlot) chart.getPlot();
        ValueAxis xAxis = plot.getDomainAxis();
        int x = (int) Math.round(xAxis.java2DToValue(event.getTrigger().getX(), dataArea, RectangleEdge.BOTTOM));

        XYDataset dataset = plot.getDataset();
        int maxX = DatasetUtilities.findMaximumDomainValue(dataset).intValue();
        if (x >= 1 && x <= maxX) {
            int seriesCount = dataset.getSeriesCount();
            int[] mixtures = new int[seriesCount - 1];
            int total = 0;
            for (int i = 0; i < seriesCount - 1; ++i) {
                mixtures[i] = (int) dataset.getYValue(i, x - 1);
                total += mixtures[i];
            }
            for (int i = 0; i < seriesCount - 1; ++i) {
                mixtures[i] = (int) Math.round((double) mixtures[i] / (double) total * 100.0);
                tpsMixturePanel.setMixture(i, mixtures[i]);
            }
        }
    }

    @Override
    public void chartMouseMoved(ChartMouseEvent event) {
        Rectangle2D dataArea = chartPanel.getScreenDataArea();
        JFreeChart chart = event.getChart();
        XYPlot plot = (XYPlot) chart.getPlot();
        ValueAxis xAxis = plot.getDomainAxis();
        double x = xAxis.java2DToValue(event.getTrigger().getX(), dataArea, RectangleEdge.BOTTOM);
        chartPanel.getVerticalCrossHair().setValue(x);
    }
}