Java tutorial
/** * DataCleaner (community edition) * Copyright (C) 2014 Neopost - Customer Information Management * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License * for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this distribution; if not, write to: * Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor * Boston, MA 02110-1301 USA */ package org.datacleaner.util; import java.awt.BasicStroke; import java.awt.Dimension; import java.awt.Stroke; import org.datacleaner.widgets.result.DCDrawingSupplier; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.CategoryAnchor; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PieLabelLinkStyle; import org.jfree.chart.plot.PiePlot; import org.jfree.chart.plot.Plot; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.chart.renderer.category.CategoryItemRenderer; import org.jfree.chart.renderer.category.StandardBarPainter; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.chart.title.LegendTitle; import org.jfree.chart.title.TextTitle; import org.jfree.chart.title.Title; import org.jfree.ui.RectangleInsets; import org.jfree.util.UnitType; /** * Contains features related to layout and styling of JFreeChart based charts. */ public final class ChartUtils { private static final Stroke STROKE_NORMAL = new BasicStroke(1.2f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND); private static final Stroke STROKE_WIDE = new BasicStroke(2.2f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND); public static final int WIDTH_WIDE = 900; public static final int WIDTH_NORMAL = 600; public static final int HEIGHT_WIDE = 400; public static final int HEIGHT_NORMAL = 600; private ChartUtils() { // prevent instantiation } public static ChartPanel createPanel(JFreeChart chart, boolean wide) { if (wide) { return createPanel(chart, WIDTH_WIDE, HEIGHT_WIDE); } else { return createPanel(chart, WIDTH_NORMAL, HEIGHT_NORMAL); } } public static ChartPanel createPanel(JFreeChart chart, int width, int height) { final ChartPanel panel = new ChartPanel(chart); panel.setPreferredSize(new Dimension(width, height)); return panel; } public static void applyStyles(JFreeChart chart) { TextTitle title = chart.getTitle(); if (title != null) { title.setFont(WidgetUtils.FONT_HEADER1); title.setBackgroundPaint(WidgetUtils.BG_COLOR_BRIGHTEST); } for (int i = 0; i < chart.getSubtitleCount(); i++) { Title subtitle = chart.getSubtitle(i); if (subtitle instanceof TextTitle) { ((TextTitle) subtitle).setFont(WidgetUtils.FONT_NORMAL); } } LegendTitle legend = chart.getLegend(); if (legend != null) { legend.setItemFont(WidgetUtils.FONT_SMALL); } // transparent background chart.setBackgroundPaint(WidgetUtils.BG_COLOR_BRIGHTEST); chart.setBorderVisible(false); final Plot plot = chart.getPlot(); plot.setInsets(new RectangleInsets(UnitType.ABSOLUTE, 0d, 0d, 0d, 0d)); plot.setBackgroundPaint(WidgetUtils.BG_COLOR_BRIGHTEST); plot.setOutlinePaint(WidgetUtils.BG_COLOR_BRIGHTEST); plot.setOutlineVisible(true); if (plot instanceof PiePlot) { // tweaks for pie charts final PiePlot piePlot = (PiePlot) plot; piePlot.setBaseSectionOutlinePaint(WidgetUtils.BG_COLOR_DARK); piePlot.setBaseSectionOutlineStroke(STROKE_NORMAL); piePlot.setLabelFont(WidgetUtils.FONT_SMALL); piePlot.setLabelBackgroundPaint(WidgetUtils.BG_COLOR_BRIGHT); piePlot.setLabelOutlineStroke(STROKE_NORMAL); piePlot.setLabelPaint(WidgetUtils.BG_COLOR_DARK); piePlot.setSectionOutlinesVisible(false); piePlot.setLabelLinkStyle(PieLabelLinkStyle.QUAD_CURVE); piePlot.setDrawingSupplier(new DCDrawingSupplier()); } else if (plot instanceof CategoryPlot) { // tweaks for bar charts final CategoryPlot categoryPlot = (CategoryPlot) plot; int columnCount = categoryPlot.getDataset().getColumnCount(); if (columnCount > 1) { categoryPlot.setDomainGridlinesVisible(true); } else { categoryPlot.setDomainGridlinesVisible(false); } categoryPlot.setDomainGridlinePaint(WidgetUtils.BG_COLOR_DARK); categoryPlot.setDomainGridlinePosition(CategoryAnchor.END); categoryPlot.getDomainAxis().setLabelFont(WidgetUtils.FONT_SMALL); categoryPlot.getDomainAxis().setTickLabelFont(WidgetUtils.FONT_SMALL); categoryPlot.getRangeAxis().setLabelFont(WidgetUtils.FONT_SMALL); categoryPlot.getRangeAxis().setTickLabelFont(WidgetUtils.FONT_SMALL); categoryPlot.setDrawingSupplier(new DCDrawingSupplier()); final CategoryItemRenderer renderer = categoryPlot.getRenderer(); renderer.setBaseOutlinePaint(WidgetUtils.BG_COLOR_DARK); renderer.setBaseOutlineStroke(STROKE_WIDE); if (renderer instanceof BarRenderer) { BarRenderer barRenderer = (BarRenderer) renderer; barRenderer.setShadowPaint(WidgetUtils.BG_COLOR_BRIGHT); barRenderer.setBarPainter(new StandardBarPainter()); } } else if (plot instanceof XYPlot) { // tweaks for line charts final XYPlot xyPlot = (XYPlot) plot; xyPlot.setDrawingSupplier(new DCDrawingSupplier()); xyPlot.getDomainAxis().setLabelFont(WidgetUtils.FONT_SMALL); xyPlot.getDomainAxis().setTickLabelFont(WidgetUtils.FONT_SMALL); xyPlot.getRangeAxis().setLabelFont(WidgetUtils.FONT_SMALL); xyPlot.getRangeAxis().setTickLabelFont(WidgetUtils.FONT_SMALL); final XYItemRenderer renderer = xyPlot.getRenderer(); final int seriesCount = xyPlot.getSeriesCount(); for (int i = 0; i < seriesCount; i++) { renderer.setSeriesStroke(i, STROKE_WIDE); } } } }