Java tutorial
// ============================================================================ // // Copyright (C) 2006-2017 Talend Inc. - www.talend.com // // This source code is available under agreement available at // %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt // // You should have received a copy of the agreement // along with this program; if not, write to Talend SA // 9 rue Pages 92150 Suresnes, France // // ============================================================================ package org.talend.dataprofiler.chart; import java.awt.Color; import java.awt.Font; import java.awt.Paint; import java.awt.geom.Rectangle2D; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Random; import java.util.Set; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.jfree.chart.ChartFactory; import org.jfree.chart.JFreeChart; import org.jfree.chart.LegendItemCollection; import org.jfree.chart.LegendItemSource; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.labels.ItemLabelAnchor; import org.jfree.chart.labels.ItemLabelPosition; import org.jfree.chart.labels.StandardCategoryItemLabelGenerator; import org.jfree.chart.labels.StandardCategoryToolTipGenerator; import org.jfree.chart.labels.StandardPieSectionLabelGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PiePlot; import org.jfree.chart.plot.Plot; import org.jfree.chart.plot.PlotOrientation; 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.LineAndShapeRenderer; import org.jfree.chart.renderer.xy.XYItemRenderer; 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.data.general.PieDataset; import org.jfree.ui.TextAnchor; import org.talend.dataprofiler.chart.util.EncapsulationCumstomerDataset; import org.talend.dataprofiler.chart.util.PluginConstant; /** * DOC bzhou class global comment. Detailled comment */ public final class ChartDecorator { public static final String[] COLORS = { "#236192", "#C4D600", "#DB662A", "#F7A800", "#787121", "#00A9CE", "#A7A8AA", "#ECAB7C", "#B8B370", "#D4D3D3", "#83D3E6", "#FFD38B" }; public static final List<Color> COLOR_LIST = new ArrayList<Color>(); static { for (String color : COLORS) { COLOR_LIST.add(Color.decode(color)); } } private static List<Color> PIE_COLOR_LIST = new ArrayList<Color>(); static { PIE_COLOR_LIST.add(COLOR_LIST.get(0)); PIE_COLOR_LIST.add(COLOR_LIST.get(1)); PIE_COLOR_LIST.add(COLOR_LIST.get(3)); PIE_COLOR_LIST.add(COLOR_LIST.get(2)); } private static List<Color> DUPLICATE_PIE_COLOR_LIST = new ArrayList<Color>(); static { DUPLICATE_PIE_COLOR_LIST.add(COLOR_LIST.get(2)); DUPLICATE_PIE_COLOR_LIST.add(COLOR_LIST.get(1)); DUPLICATE_PIE_COLOR_LIST.add(COLOR_LIST.get(0)); } private static List<Color> STACK_BAR_COLOR_LIST = new ArrayList<Color>(); static { STACK_BAR_COLOR_LIST.add(COLOR_LIST.get(2)); STACK_BAR_COLOR_LIST.add(COLOR_LIST.get(1)); } private static final int BASE_ITEM_LABEL_SIZE = 10; private static final int BASE_LABEL_SIZE = 12; private static final int BASE_TICK_LABEL_SIZE = 10; private static final int BASE_LEGEND_LABEL_SIZE = 10; private static final int BASE_TITLE_LABEL_SIZE = 14; /** * New format string. ADD yyi 2009-09-24 9243 * */ public static final String NEW_TOOL_TIP_FORMAT_STRING = "{0} = {2}"; //$NON-NLS-1$ /** * Added TDQ-8673 yyin 20140415 */ private static final String DOUBLE_FORMAT = "0.00"; //$NON-NLS-1$ // used for display double value in the chart private static final String PERCENT_FORMAT = "0.00%"; //$NON-NLS-1$ /** * DOC bZhou ChartDecorator constructor comment. */ private ChartDecorator() { } public static void decorateStackedBarChart(JFreeChart chart, PlotOrientation orientation) { if (chart != null) { Plot plot = chart.getPlot(); if (plot instanceof CategoryPlot) { decorateCategoryPlot(chart, orientation); int rowCount = chart.getCategoryPlot().getDataset().getRowCount(); for (int i = 0; i < rowCount; i++) { if (i >= STACK_BAR_COLOR_LIST.size()) { STACK_BAR_COLOR_LIST.add(generateRandomColor(STACK_BAR_COLOR_LIST)); } ((CategoryPlot) plot).getRenderer().setSeriesPaint(i, STACK_BAR_COLOR_LIST.get(i)); } } } } /** * DOC bZhou Comment method "decorate". * * @param chart */ public static void decorate(JFreeChart chart, PlotOrientation orientation) { if (chart != null) { // TDQ-11522: Set white background on charts in the editors chart.setBackgroundPaint(Color.white); // TDQ-11522~ Plot plot = chart.getPlot(); if (plot instanceof CategoryPlot) { decorateCategoryPlot(chart, orientation); CategoryDataset dataset = chart.getCategoryPlot().getDataset(); int rowCount = dataset != null ? dataset.getRowCount() : 20; for (int i = 0; i < rowCount; i++) { // by zshen bug 14173 add the color in the colorList when chart need more the color than 8. if (i >= COLOR_LIST.size()) { COLOR_LIST.add(generateRandomColor(COLOR_LIST)); } // ~14173 ((CategoryPlot) plot).getRenderer().setSeriesPaint(i, COLOR_LIST.get(i)); } } else if (plot instanceof XYPlot) { decorateXYPlot(chart); int count = chart.getXYPlot().getDataset().getSeriesCount(); for (int i = 0; i < count; i++) { // by zshen bug 14173 add the color in the colorList when chart need the colors more than 8. if (i >= COLOR_LIST.size()) { COLOR_LIST.add(generateRandomColor(COLOR_LIST)); } // ~14173 ((XYPlot) plot).getRenderer().setSeriesPaint(i, COLOR_LIST.get(i)); } } else if (plot instanceof PiePlot) { decoratePiePlot(chart); // ADD msjian TDQ-8046 2013-10-17: add the color's control for pie chart PieDataset piedataset = ((PiePlot) plot).getDataset(); for (int i = 0; i < piedataset.getItemCount(); i++) { if (i >= PIE_COLOR_LIST.size()) { PIE_COLOR_LIST.add(generateRandomColor(PIE_COLOR_LIST)); } Comparable<?> key = piedataset.getKey(i); ((PiePlot) plot).setSectionPaint(key, PIE_COLOR_LIST.get(i)); } // TDQ-8046~ } } } public static void decorateDuplicatePieChart(JFreeChart chart) { if (chart != null) { Plot plot = chart.getPlot(); if (plot instanceof PiePlot) { decoratePiePlot(chart); // ADD msjian TDQ-8046 2013-10-17: add the color's control for pie chart PieDataset piedataset = ((PiePlot) plot).getDataset(); for (int i = 0; i < piedataset.getItemCount(); i++) { if (i >= DUPLICATE_PIE_COLOR_LIST.size()) { DUPLICATE_PIE_COLOR_LIST.add(generateRandomColor(DUPLICATE_PIE_COLOR_LIST)); } Comparable<?> key = piedataset.getKey(i); ((PiePlot) plot).setSectionPaint(key, DUPLICATE_PIE_COLOR_LIST.get(i)); } // TDQ-8046~ } } } /** * * decorate concept chart on semantic Analysis wizard. * * @param chart * @param orientation */ public static void decorateConceptChart(JFreeChart chart, PlotOrientation orientation) { if (chart == null) { return; } Plot plot = chart.getPlot(); if (plot instanceof CategoryPlot) { decorateCategoryPlot(chart, orientation); int rowCount = chart.getCategoryPlot().getDataset().getRowCount(); for (int i = 0; i < rowCount; i++) { ((CategoryPlot) plot).getRenderer().setSeriesPaint(i, PluginConstant.PRIMARY_BLUE_AWT); } } } /** * * generate a Random Color. * * @return a object of color which don't contain in list */ private static Color generateRandomColor(List<Color> list) { Random rad = new Random(); Color newColor = null; do { newColor = new Color(rad.nextInt(255), rad.nextInt(255), rad.nextInt(255)); } while (list.contains(newColor) || Color.white.equals(newColor)); return newColor; } /** * DOC xqliu Comment method "decorateColumnDependency". * * @param chart */ public static void decorateColumnDependency(JFreeChart chart) { decorate(chart, PlotOrientation.HORIZONTAL); CategoryItemRenderer renderer = ((CategoryPlot) chart.getPlot()).getRenderer(); renderer.setSeriesPaint(0, COLOR_LIST.get(1)); renderer.setSeriesPaint(1, COLOR_LIST.get(2)); } /** * DOC msjian Comment method "decoratePatternMatching". * * @param chart */ public static void decoratePatternMatching(JFreeChart chart) { if (chart != null) { // TDQ-11522: Set white background on charts in the editors chart.setBackgroundPaint(Color.white); // TDQ-11522~ } } /** * DOC bZhou Comment method "decorateCategoryPlot". * * @param chart */ public static void decorateCategoryPlot(JFreeChart chart, PlotOrientation orientation) { CategoryPlot plot = chart.getCategoryPlot(); CategoryItemRenderer render = plot.getRenderer(); CategoryAxis domainAxis = plot.getDomainAxis(); // ADD msjian TDQ-5111 2012-4-9: set something look it well domainAxis.setCategoryMargin(0.1); domainAxis.setUpperMargin(0.05); domainAxis.setLowerMargin(0.05); domainAxis.setCategoryLabelPositionOffset(10); // TDQ-5111~ ValueAxis valueAxis = plot.getRangeAxis(); Font font = new Font("Tahoma", Font.BOLD, BASE_ITEM_LABEL_SIZE);//$NON-NLS-1$ render.setBaseItemLabelFont(font); // MOD zshen 10998: change the font name 2010-01-16 font = new Font("sans-serif", Font.BOLD, BASE_LABEL_SIZE);//$NON-NLS-1$ domainAxis.setLabelFont(font); font = new Font("sans-serif", Font.BOLD, BASE_LABEL_SIZE);//$NON-NLS-1$ valueAxis.setLabelFont(font); font = new Font("sans-serif", Font.PLAIN, BASE_TICK_LABEL_SIZE);//$NON-NLS-1$ domainAxis.setTickLabelFont(font); valueAxis.setTickLabelFont(font); setLegendFont(chart); font = new Font("sans-serif", Font.BOLD, BASE_TITLE_LABEL_SIZE);//$NON-NLS-1$ TextTitle title = chart.getTitle(); if (title != null) { title.setFont(font); } font = null; if (render instanceof BarRenderer) { CategoryDataset dataset = chart.getCategoryPlot().getDataset(); if (dataset != null) { int rowCount = dataset.getRowCount(); List<?> columnKeys = dataset.getColumnKeys(); if (!isContainCJKCharacter(columnKeys.toArray())) { domainAxis.setTickLabelFont(new Font("Tahoma", Font.PLAIN, 10));//$NON-NLS-1$ } ((BarRenderer) render).setItemMargin(-0.40 * rowCount); // TDQ-12621 add Tooltip for Lable for (Object colKey : columnKeys) { domainAxis.addCategoryLabelToolTip(colKey.toString(), colKey.toString()); } } domainAxis.setUpperMargin(0.1); // TDQ-12621 Only display in 1 line for the label, other chars will be displayed as "..." domainAxis.setMaximumCategoryLabelLines(1); // ADD msjian TDQ-5111 2012-4-9: set Bar Width and let it look well // not do this when the bar is horizontal Orientation if (orientation == null) { ((BarRenderer) render).setMaximumBarWidth(0.2); } // TDQ-5111~ } // ~10998 } /** * * if it contians CJK, set Font to "Arial Unicode MS".Or else, the Font is "Tahoma". * * @param chart */ private static void setLegendFont(JFreeChart chart) { Font font; LegendTitle legend = chart.getLegend(); if (legend != null) { font = new Font("Tahoma", Font.PLAIN, BASE_LEGEND_LABEL_SIZE);//$NON-NLS-1$ // get legend label to judge if it contains CJK. LegendItemSource[] sources = legend.getSources(); Set<String> itemLabels = new HashSet<String>(); for (LegendItemSource source : sources) { LegendItemCollection legendItems = source.getLegendItems(); for (int i = 0; i < legendItems.getItemCount(); i++) { String label = legendItems.get(i).getLabel(); if (label != null) { itemLabels.add(label); } } } if (isContainCJKCharacter(itemLabels.toArray())) { font = getCJKFont(Font.PLAIN, BASE_LEGEND_LABEL_SIZE); } legend.setItemFont(font); } } /** * DOC bZhou Comment method "decorateXYPlot". * * @param chart */ private static void decorateXYPlot(JFreeChart chart) { Font font = null; XYPlot plot = chart.getXYPlot(); XYItemRenderer render = plot.getRenderer(); ValueAxis domainAxis = plot.getDomainAxis(); ValueAxis valueAxis = plot.getRangeAxis(); font = new Font("Tahoma", Font.BOLD, BASE_ITEM_LABEL_SIZE);//$NON-NLS-1$ render.setBaseItemLabelFont(font); font = new Font("sans-serif", Font.BOLD, BASE_LABEL_SIZE);//$NON-NLS-1$ domainAxis.setLabelFont(font); font = new Font("sans-serif", Font.BOLD, BASE_LABEL_SIZE);//$NON-NLS-1$ valueAxis.setLabelFont(font); font = new Font("sans-serif", Font.PLAIN, BASE_TICK_LABEL_SIZE);//$NON-NLS-1$ domainAxis.setTickLabelFont(font); valueAxis.setTickLabelFont(font); setLegendFont(chart); font = new Font("sans-serif", Font.BOLD, BASE_TITLE_LABEL_SIZE);//$NON-NLS-1$ TextTitle title = chart.getTitle(); if (title != null) { title.setFont(font); } font = null; } /** * * DOC qiongli Comment method "decoratePiePlot". * * @param chart */ private static void decoratePiePlot(JFreeChart chart) { Font font = new Font("sans-serif", Font.BOLD, BASE_TITLE_LABEL_SIZE);//$NON-NLS-1$ TextTitle textTitle = chart.getTitle(); // MOD msjian TDQ-5213 2012-5-7: fixed NPE if (textTitle != null) { textTitle.setFont(font); } setLegendFont(chart); // TDQ-5213~ PiePlot plot = (PiePlot) chart.getPlot(); font = new Font("Monospaced", Font.PLAIN, 10);//$NON-NLS-1$ plot.setLabelFont(font); plot.setNoDataMessage("No data available"); //$NON-NLS-1$ StandardPieSectionLabelGenerator standardPieSectionLabelGenerator = new StandardPieSectionLabelGenerator( ("{0}:{2}"), //$NON-NLS-1$ NumberFormat.getNumberInstance(), new DecimalFormat(PERCENT_FORMAT)); plot.setLabelGenerator(standardPieSectionLabelGenerator); plot.setLabelLinkPaint(Color.GRAY); plot.setLabelOutlinePaint(Color.WHITE); plot.setLabelGap(0.02D); plot.setOutlineVisible(false); plot.setMaximumLabelWidth(0.2D); plot.setCircular(false); // remove the shadow of the pie chart plot.setShadowXOffset(0); plot.setShadowYOffset(0); } /** * create bar chart with customized bar render class which can be adapted in JFreeChart class. * * @param chart * @param barRenderer */ public static void decorateBarChart(JFreeChart chart, BarRenderer barRenderer) { CategoryPlot plot = chart.getCategoryPlot(); plot.getRangeAxis().setUpperMargin(0.08); plot.setRangeGridlinesVisible(true); barRenderer.setBaseItemLabelsVisible(true); barRenderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); barRenderer.setBasePositiveItemLabelPosition( new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT)); barRenderer.setBaseNegativeItemLabelPosition( new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT)); // MOD klliu 2010-09-25 bug15514: The chart of summary statistic indicators not beautiful barRenderer.setMaximumBarWidth(0.1); // renderer.setItemMargin(0.000000005); // renderer.setBase(0.04); // ADD yyi 2009-09-24 9243 barRenderer.setBaseToolTipGenerator( new StandardCategoryToolTipGenerator(NEW_TOOL_TIP_FORMAT_STRING, NumberFormat.getInstance())); // ADD TDQ-5251 msjian 2012-7-31: do not display the shadow barRenderer.setShadowVisible(false); // TDQ-5251~ // CategoryAxis domainAxis = plot.getDomainAxis(); // domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0)); plot.setRenderer(barRenderer); } /** * Added TDQ-8673: set the display decimal format as: x.xx * * @param chart */ public static void setDisplayDecimalFormat(JFreeChart chart) { CategoryPlot plot = chart.getCategoryPlot(); plot.getRenderer().setBaseItemLabelGenerator( new StandardCategoryItemLabelGenerator("{2}", new DecimalFormat(DOUBLE_FORMAT))); //$NON-NLS-1$ } /** * Decorate the benford law chart. in this method the line chart will be overlay on top of bar chart. * * @param dataset * @param barChart * @param title * @param categoryAxisLabel * @param dotChartLabels * @param formalValues * @return JFreeChart */ @SuppressWarnings("deprecation") public static JFreeChart decorateBenfordLawChart(CategoryDataset dataset, JFreeChart barChart, String title, String categoryAxisLabel, List<String> dotChartLabels, double[] formalValues) { return decorateBenfordLawChartByKCD(dataset, null, barChart, title, categoryAxisLabel, dotChartLabels, formalValues); } /** * Decorate the benford law chart. in this method the line chart will be overlay on top of bar chart. * * @param dataset * @param barChart * @param title * @param categoryAxisLabel * @param dotChartLabels * @param formalValues * @return JFreeChart */ @SuppressWarnings("deprecation") public static JFreeChart decorateBenfordLawChartByKCD(CategoryDataset dataset, Object customerDataset, JFreeChart barChart, String title, String categoryAxisLabel, List<String> dotChartLabels, double[] formalValues) { CategoryPlot barplot = barChart.getCategoryPlot(); decorateBarChart(barChart, new BenfordLawLineAndShapeRenderer()); // display percentage on top of the bar DecimalFormat df = new DecimalFormat(PERCENT_FORMAT); barplot.getRenderer().setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator("{2}", df)); //$NON-NLS-1$ barplot.getRenderer().setBasePositiveItemLabelPosition( new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER)); // set the display of Y axis NumberAxis numAxis = (NumberAxis) barplot.getRangeAxis(); numAxis.setNumberFormatOverride(df); CategoryDataset lineDataset = getLineDataset(dotChartLabels, formalValues); JFreeChart lineChart = ChartFactory.createLineChart(null, title, categoryAxisLabel, lineDataset, PlotOrientation.VERTICAL, false, false, false); CategoryPlot plot = lineChart.getCategoryPlot(); if (customerDataset != null) { barplot.setDataset(2, new EncapsulationCumstomerDataset(dataset, customerDataset)); } // show the value on the right axis of the chart(keep the comment) // NumberAxis numberaxis = new NumberAxis(DefaultMessagesImpl.getString("TopChartFactory.Value")); // plot.setRangeAxis(10, numberaxis); NumberAxis vn = (NumberAxis) plot.getRangeAxis(); vn.setNumberFormatOverride(df); // set points format LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer(); renderer.setPaint(COLOR_LIST.get(1)); renderer.setSeriesShape(1, new Rectangle2D.Double(-1.5, -1.5, 3, 3)); renderer.setShapesVisible(true); // show the point shape renderer.setBaseLinesVisible(false);// do not show the line // add the bar chart into the line chart CategoryItemRenderer barChartRender = barplot.getRenderer(); barplot.setDataset(0, lineDataset); barplot.setRenderer(0, plot.getRenderer()); barplot.setDataset(1, dataset); barplot.setRenderer(1, barChartRender); return barChart; } /** * * created by mzhao on 2012-9-21 The customer render to paint bar color. * */ private static class BenfordLawLineAndShapeRenderer extends BarRenderer { private static final long serialVersionUID = 1L; @Override public Paint getItemPaint(final int row, final int column) { return (column > 8) ? COLOR_LIST.get(2) : COLOR_LIST.get(0); } } /** * get the dataset of standard points. * * @param dotChartLabels * @param formalValues * @return CategoryDataset */ private static CategoryDataset getLineDataset(List<String> dotChartLabels, double[] formalValues) { DefaultCategoryDataset linedataset = new DefaultCategoryDataset(); for (int i = 0; i < dotChartLabels.size(); i++) { linedataset.addValue(formalValues[i], "Expected(%)", dotChartLabels.get(i)); //$NON-NLS-1$ } return linedataset; } /** * Returns true if this string contains the chinese char values. DOC yyi Comment method * "isContainsChinese".2010-09-26:14692. * * @param str * @return * @deprecated replace it with isContainCJKCharacter(String str) */ @Deprecated private static boolean isContainsChineseColumn(JFreeChart chart) { Object[] columnNames = chart.getCategoryPlot().getDataset().getColumnKeys().toArray(); String regEx = "[\u4e00-\u9fa5]";//$NON-NLS-1$ Pattern pat = Pattern.compile(regEx); boolean flg = false; for (Object str : columnNames) { Matcher matcher = pat.matcher(str.toString()); if (matcher.find()) { flg = true; break; } } return flg; } /** * * if this String contain CJK array. * * @param array * @return */ private static boolean isContainCJKCharacter(Object[] array) { for (Object str : array) { if (str != null && isContainCJKCharacter(str.toString())) { return true; } } return false; } /** * * if this String contain CJK char. * * @param str * @return */ public static boolean isContainCJKCharacter(String str) { if (str == null || str.length() == 0) { return false; } for (int i = 0; i < str.length(); i++) { char c = str.charAt(i); Character.UnicodeBlock ub = Character.UnicodeBlock.of(c); if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS // Korean characters || ub == Character.UnicodeBlock.HANGUL_SYLLABLES || ub == Character.UnicodeBlock.HANGUL_JAMO || ub == Character.UnicodeBlock.HANGUL_COMPATIBILITY_JAMO // Japanese 3 characters: hiragana,katakana,Katakana phonetic extensions || ub == Character.UnicodeBlock.HIRAGANA || ub == Character.UnicodeBlock.KATAKANA || ub == Character.UnicodeBlock.KATAKANA_PHONETIC_EXTENSIONS) { return true; } } return false; } /** * * font for Chinese Japanese and Korean . * * @param Style * @param size * @return */ public static Font getCJKFont(int Style, int size) { // Java Font "Monospaced" is enough to display CJK.no Need external font. return new Font("Monospaced", Style, size); } }