Java tutorial
/* * JasperReports - Free Java Reporting Library. * Copyright (C) 2001 - 2019 TIBCO Software Inc. 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.Color; import java.awt.Font; import java.awt.geom.Rectangle2D; import java.util.Locale; import java.util.TimeZone; 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.DefaultCategoryDataset; import org.jfree.ui.RectangleEdge; import net.sf.jasperreports.charts.type.EdgeEnum; import net.sf.jasperreports.charts.util.ChartUtil; import net.sf.jasperreports.components.charts.ChartCustomizer; import net.sf.jasperreports.components.charts.ChartSettings; import net.sf.jasperreports.engine.JRComponentElement; import net.sf.jasperreports.engine.JasperReportsContext; import net.sf.jasperreports.engine.fonts.FontUtil; import net.sf.jasperreports.renderers.Renderable; /** * Spider Chart design evaluator. * * @author Sanda Zaharia (shertage@users.sourceforge.net) */ public class SpiderChartRendererEvaluator { /** * */ public static final String FILL_DATASET = "fillDataset"; public static final String SAMPLE_DATASET = "sampleDataset"; public static final Double SAMPLE_MAXVALUE = 10d; private static DefaultCategoryDataset sampleDataset; /** * */ public static Renderable evaluateRenderable(JasperReportsContext jasperReportsContext, JRComponentElement element, SpiderChartSharedBean spiderchartBean, ChartCustomizer chartCustomizer, String defaultRenderType, String datasetType) { SpiderChartComponent chartComponent = (SpiderChartComponent) element.getComponent(); ChartSettings chartSettings = chartComponent.getChartSettings(); SpiderPlot plot = (SpiderPlot) chartComponent.getPlot(); DefaultCategoryDataset dataset = null; StandardCategoryItemLabelGenerator labelGenerator = null; if (FILL_DATASET.equals(datasetType)) { dataset = ((FillSpiderDataset) spiderchartBean.getDataset()).getCustomDataset(); labelGenerator = ((FillSpiderDataset) spiderchartBean.getDataset()).getLabelGenerator(); } else { dataset = getSampleDataset(); labelGenerator = new StandardCategoryItemLabelGenerator(); } SpiderWebPlot spiderWebPlot = new SpiderWebPlot(dataset); 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(FontUtil.getInstance(jasperReportsContext).getAwtFont(plot.getLabelFont(), Locale.getDefault())); } if (plot.getLabelGap() != null) { spiderWebPlot.setAxisLabelGap(plot.getLabelGap()); } if (spiderchartBean.getMaxValue() != null) { spiderWebPlot.setMaxValue(spiderchartBean.getMaxValue()); } 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(labelGenerator); Font titleFont = chartSettings.getTitleFont() != null ? FontUtil.getInstance(jasperReportsContext) .getAwtFont(chartSettings.getTitleFont(), Locale.getDefault()) : TextTitle.DEFAULT_FONT; String titleText = spiderchartBean.getTitleText(); JFreeChart jfreechart = new JFreeChart(titleText, titleFont, spiderWebPlot, true); Color backcolor = chartSettings.getBackcolor() != null ? chartSettings.getBackcolor() : element.getBackcolor(); if (backcolor != null) { jfreechart.setBackgroundPaint(backcolor); } 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 = spiderchartBean.getSubtitleText(); 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 ? FontUtil.getInstance(jasperReportsContext).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(FontUtil.getInstance(jasperReportsContext) .getAwtFont(chartSettings.getLegendFont(), Locale.getDefault())); } legend.setPosition(getEdge(chartSettings.getLegendPosition(), RectangleEdge.BOTTOM)); } } String renderType = chartSettings.getRenderType() == null ? defaultRenderType : chartSettings.getRenderType(); Rectangle2D rectangle = new Rectangle2D.Double(0, 0, element.getWidth(), element.getHeight()); if (chartCustomizer != null) { chartCustomizer.customize(jfreechart, chartComponent); } return ChartUtil.getInstance(jasperReportsContext).getChartRenderableFactory(renderType) .getRenderable(jasperReportsContext, jfreechart, spiderchartBean.getHyperlinkProvider(), rectangle); } public static DefaultCategoryDataset 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 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; } }