org.pentaho.plugin.jfreereport.reportcharts.XYLineChartExpression.java Source code

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Here is the source code for org.pentaho.plugin.jfreereport.reportcharts.XYLineChartExpression.java

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/*
* Copyright 2002 - 2017 Hitachi Vantara.  All rights reserved.
* 
* This software was developed by Hitachi Vantara and is provided under the terms
* of the Mozilla Public License, Version 1.1, or any later version. You may not use
* this file except in compliance with the license. If you need a copy of the license,
* please go to http://www.mozilla.org/MPL/MPL-1.1.txt. TThe Initial Developer is Pentaho Corporation.
*
* Software distributed under the Mozilla Public License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or  implied. Please refer to
* the license for the specific language governing your rights and limitations.
*/

package org.pentaho.plugin.jfreereport.reportcharts;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;

public class XYLineChartExpression extends XYChartExpression {
    private static final long serialVersionUID = 588996014868712814L;

    private String lineStyle;
    private float lineWidth;
    private boolean markersVisible;

    public XYLineChartExpression() {
        lineWidth = 1.0f;
    }

    protected JFreeChart computeXYChart(final XYDataset xyDataset) {
        final JFreeChart chart;
        if (xyDataset instanceof TimeSeriesCollection) {
            chart = ChartFactory.createTimeSeriesChart(computeTitle(), getDomainTitle(), getRangeTitle(), xyDataset,
                    isShowLegend(), false, false);
        } else {
            final PlotOrientation orientation = computePlotOrientation();
            chart = ChartFactory.createXYLineChart(computeTitle(), getDomainTitle(), getRangeTitle(), xyDataset,
                    orientation, isShowLegend(), false, false);
        }
        configureLogarithmicAxis(chart.getXYPlot());
        return chart;
    }

    protected void configureChart(final JFreeChart chart) {
        super.configureChart(chart);

        final XYPlot xypl = chart.getXYPlot();
        final XYItemRenderer renderer = xypl.getRenderer();
        renderer.setStroke(translateLineStyle(lineWidth, lineStyle));
        if (renderer instanceof XYLineAndShapeRenderer) {
            final XYLineAndShapeRenderer renderer1 = (XYLineAndShapeRenderer) renderer;
            renderer1.setShapesVisible(isMarkersVisible());
            renderer1.setBaseShapesFilled(isMarkersVisible());
        }

    }

    /**
     * @return returns the style set for the lines
     */
    public String getLineStyle() {
        return lineStyle;
    }

    /**
     * @param value set the style for all line series
     */
    public void setLineStyle(final String value) {
        lineStyle = value;
    }

    /**
     * @return the width of all line series Valid values are float numbers zero or greater
     */
    public float getLineWidth() {
        return lineWidth;
    }

    /**
     * @param value set the width of all line series Valid values are float numbers zero or greater
     */
    public void setLineWidth(final float value) {
        lineWidth = value;
    }

    /**
     * @return boolean whether the markers (data points) for all series are displayed
     */
    public boolean isMarkersVisible() {
        return markersVisible;
    }

    /**
     * @param markersVisible set whether the markers (data points) for all series should be displayed
     */
    public void setMarkersVisible(final boolean markersVisible) {
        this.markersVisible = markersVisible;
    }

}