Java tutorial
/* Copyright (c) 2008-2011, developers of the Ascension Log Visualizer * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom * the Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ package com.googlecode.logVisualizer.chart; import java.awt.Color; import java.text.NumberFormat; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.AxisLocation; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.labels.StandardCategoryItemLabelGenerator; import org.jfree.chart.labels.StandardCategoryToolTipGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.data.category.CategoryDataset; import com.googlecode.logVisualizer.logData.LogDataHolder; public abstract class HorizontalBarChartBuilder extends AbstractChart { private final String xLable; private final String yLable; protected HorizontalBarChartBuilder(final LogDataHolder logData, final String title, final String xLable, final String yLable, final boolean isIncludeLegend) { super(title, logData, isIncludeLegend); this.xLable = xLable; this.yLable = yLable; addChart(); } protected abstract CategoryDataset createDataset(); private JFreeChart createChart(final CategoryDataset dataset) { final JFreeChart chart = ChartFactory.createBarChart(getTitle(), xLable, yLable, dataset, PlotOrientation.HORIZONTAL, isIncludeLegend(), true, false); final CategoryPlot plot = (CategoryPlot) chart.getPlot(); final BarRenderer renderer = (BarRenderer) plot.getRenderer(); final CategoryAxis categoryAxis = plot.getDomainAxis(); final NumberAxis numberAxis = (NumberAxis) plot.getRangeAxis(); plot.setNoDataMessage("No data available"); plot.setBackgroundPaint(Color.white); plot.setRangeGridlinePaint(Color.black); plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT); setBarShadowVisible(chart, false); renderer.setBaseItemLabelsVisible(true); renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); renderer.setBaseToolTipGenerator( new StandardCategoryToolTipGenerator("{1}, {2}", NumberFormat.getInstance())); categoryAxis.setCategoryMargin(0.02); categoryAxis.setUpperMargin(0.02); categoryAxis.setLowerMargin(0.02); numberAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); numberAxis.setUpperMargin(0.1); return chart; } @Override protected ChartPanel createChartPanel() { return new ChartPanel(createChart(createDataset()), false); } }