Java tutorial
/* * JasperReports - Free Java Reporting Library. * Copyright (C) 2001 - 2009 Jaspersoft Corporation. All rights reserved. * http://www.jaspersoft.com * * Unless you have purchased a commercial license agreement from Jaspersoft, * the following license terms apply: * * This program is part of JasperReports. * * JasperReports is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * JasperReports 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 JasperReports. If not, see <http://www.gnu.org/licenses/>. */ package net.sf.jasperreports.components.spiderchart; import java.awt.BasicStroke; import java.awt.Font; import java.awt.geom.Rectangle2D; import java.util.Locale; import java.util.TimeZone; import net.sf.jasperreports.charts.type.EdgeEnum; import net.sf.jasperreports.charts.util.ChartUtil; import net.sf.jasperreports.engine.JRChart; import net.sf.jasperreports.engine.JRComponentElement; import net.sf.jasperreports.engine.JRRenderable; import net.sf.jasperreports.engine.convert.ReportConverter; import net.sf.jasperreports.engine.util.JRExpressionUtil; import net.sf.jasperreports.engine.util.JRFontUtil; import net.sf.jasperreports.engine.util.JRProperties; import org.jfree.chart.JFreeChart; import org.jfree.chart.labels.StandardCategoryItemLabelGenerator; import org.jfree.chart.labels.StandardCategoryToolTipGenerator; import org.jfree.chart.plot.SpiderWebPlot; import org.jfree.chart.title.LegendTitle; import org.jfree.chart.title.TextTitle; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.RectangleEdge; /** * Spider Chart design evaluator. * * @author sanda zaharia (shertage@users.sourceforge.net) * @version $Id: SpiderChartDesignConverter.java 3898 2010-07-19 11:30:26Z shertage $ */ public class SpiderChartDesignEvaluator { /** * */ private static DefaultCategoryDataset sampleDataset; /** * */ private static final Double MAX_VALUE = Double.valueOf(10); /** * */ public static JRRenderable evaluateRenderer(ReportConverter reportConverter, JRComponentElement element) { SpiderChartComponent chartComponent = (SpiderChartComponent) element.getComponent(); ChartSettings chartSettings = chartComponent.getChartSettings(); SpiderPlot plot = chartComponent.getPlot(); SpiderWebPlot spiderWebPlot = new SpiderWebPlot(getSampleDataset()); if (plot.getAxisLineColor() != null) { spiderWebPlot.setAxisLinePaint(plot.getAxisLineColor()); } if (plot.getAxisLineWidth() != null) { spiderWebPlot.setAxisLineStroke(new BasicStroke(plot.getAxisLineWidth())); } if (plot.getBackcolor() != null) { spiderWebPlot.setBackgroundPaint(plot.getBackcolor()); } if (plot.getBackgroundAlpha() != null) { spiderWebPlot.setBackgroundAlpha(plot.getBackgroundAlpha()); } if (plot.getForegroundAlpha() != null) { spiderWebPlot.setForegroundAlpha(plot.getForegroundAlpha()); } if (plot.getHeadPercent() != null) { spiderWebPlot.setHeadPercent(plot.getHeadPercent()); } if (plot.getInteriorGap() != null) { spiderWebPlot.setInteriorGap(plot.getInteriorGap()); } if (plot.getLabelColor() != null) { spiderWebPlot.setLabelPaint(plot.getLabelColor()); } if (plot.getLabelFont() != null) { spiderWebPlot.setLabelFont(JRFontUtil.getAwtFont(plot.getLabelFont(), Locale.getDefault())); } if (plot.getLabelGap() != null) { spiderWebPlot.setAxisLabelGap(plot.getLabelGap()); } spiderWebPlot.setMaxValue(MAX_VALUE); if (plot.getRotation() != null) { spiderWebPlot.setDirection(plot.getRotation().getRotation()); } if (plot.getStartAngle() != null) { spiderWebPlot.setStartAngle(plot.getStartAngle()); } if (plot.getTableOrder() != null) { spiderWebPlot.setDataExtractOrder(plot.getTableOrder().getOrder()); } if (plot.getWebFilled() != null) { spiderWebPlot.setWebFilled(plot.getWebFilled()); } spiderWebPlot.setToolTipGenerator(new StandardCategoryToolTipGenerator()); spiderWebPlot.setLabelGenerator(new StandardCategoryItemLabelGenerator()); String titleText = JRExpressionUtil.getExpressionText(chartSettings.getTitleExpression()); Font titleFont = chartSettings.getTitleFont() != null ? JRFontUtil.getAwtFont(chartSettings.getTitleFont(), Locale.getDefault()) : TextTitle.DEFAULT_FONT; JFreeChart jfreechart = new JFreeChart(titleText, titleFont, spiderWebPlot, true); if (chartSettings.getBackcolor() != null) { jfreechart.setBackgroundPaint(chartSettings.getBackcolor()); } RectangleEdge titleEdge = getEdge(chartSettings.getTitlePosition(), RectangleEdge.TOP); if (titleText != null) { TextTitle title = jfreechart.getTitle(); title.setText(titleText); if (chartSettings.getTitleColor() != null) { title.setPaint(chartSettings.getTitleColor()); } title.setFont(titleFont); title.setPosition(titleEdge); jfreechart.setTitle(title); } String subtitleText = JRExpressionUtil.getExpressionText(chartSettings.getSubtitleExpression()); if (subtitleText != null) { TextTitle subtitle = new TextTitle(subtitleText); subtitle.setText(subtitleText); if (chartSettings.getSubtitleColor() != null) { subtitle.setPaint(chartSettings.getSubtitleColor()); } if (chartSettings.getSubtitleColor() != null) { Font subtitleFont = chartSettings.getSubtitleFont() != null ? JRFontUtil.getAwtFont(chartSettings.getSubtitleFont(), Locale.getDefault()) : TextTitle.DEFAULT_FONT; subtitle.setFont(subtitleFont); } subtitle.setPosition(titleEdge); jfreechart.addSubtitle(subtitle); } // Apply all of the legend formatting options LegendTitle legend = jfreechart.getLegend(); if (legend != null) { legend.setVisible((chartSettings.getShowLegend() == null || chartSettings.getShowLegend())); if (legend.isVisible()) { if (chartSettings.getLegendColor() != null) { legend.setItemPaint(chartSettings.getLegendColor()); } if (chartSettings.getLegendBackgroundColor() != null) { legend.setBackgroundPaint(chartSettings.getLegendBackgroundColor()); } if (chartSettings.getLegendFont() != null) { legend.setItemFont(JRFontUtil.getAwtFont(chartSettings.getLegendFont(), Locale.getDefault())); } legend.setPosition(getEdge(chartSettings.getLegendPosition(), RectangleEdge.BOTTOM)); } } Rectangle2D rectangle = new Rectangle2D.Double(0, 0, element.getWidth(), element.getHeight()); String renderType = chartSettings.getRenderType(); if (renderType == null) { renderType = JRProperties.getProperty(reportConverter.getReport(), JRChart.PROPERTY_CHART_RENDER_TYPE); } return ChartUtil.getChartRendererFactory(renderType).getRenderer(jfreechart, null, rectangle); } public static CategoryDataset getSampleDataset() { if (sampleDataset == null) { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(1.0, "Series 1", "Category 1"); dataset.addValue(5.0, "Series 1", "Category 2"); dataset.addValue(4.0, "Series 1", "Category 3"); dataset.addValue(3.0, "Series 1", "Category 4"); dataset.addValue(6.0, "Series 1", "Category 5"); dataset.addValue(4.0, "Series 1", "Category 6"); dataset.addValue(3.0, "Series 1", "Category 7"); dataset.addValue(5.0, "Series 2", "Category 1"); dataset.addValue(7.0, "Series 2", "Category 2"); dataset.addValue(8.0, "Series 2", "Category 3"); dataset.addValue(6.0, "Series 2", "Category 4"); dataset.addValue(9.0, "Series 2", "Category 5"); dataset.addValue(8.0, "Series 2", "Category 6"); dataset.addValue(7.0, "Series 2", "Category 7"); dataset.addValue(5.0, "Series 3", "Category 1"); dataset.addValue(4.0, "Series 3", "Category 2"); dataset.addValue(6.0, "Series 3", "Category 3"); dataset.addValue(3.0, "Series 3", "Category 4"); dataset.addValue(2.0, "Series 3", "Category 5"); dataset.addValue(7.0, "Series 3", "Category 6"); dataset.addValue(5.0, "Series 3", "Category 7"); sampleDataset = dataset; } return sampleDataset; } public Object getLabelGenerator() { return null; } public Locale getLocale() { return null;//FIXMETHEME } public TimeZone getTimeZone() { return null; } /** * */ private static RectangleEdge getEdge(EdgeEnum position, RectangleEdge defaultPosition) { RectangleEdge edge = defaultPosition; if (position != null) { switch (position) { case TOP: { edge = RectangleEdge.TOP; break; } case BOTTOM: { edge = RectangleEdge.BOTTOM; break; } case LEFT: { edge = RectangleEdge.LEFT; break; } case RIGHT: { edge = RectangleEdge.RIGHT; break; } } } return edge; } }