Deleted JFreeChartEngine class
* It has been moved to its own project (http://gitorious.org/jfreechartengine) FEA: ItEr02S03MigracionZK5
This commit is contained in:
Farruco Sanjurjo
parent
c743651a99
commit
13dc7c2a10
1 changed files with 0 additions and 539 deletions
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@ -1,539 +0,0 @@
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package org.navalplanner.web.common.components;
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import java.awt.Color;
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import java.awt.Font;
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import java.awt.Transparency;
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import java.awt.image.BufferedImage;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.TimeZone;
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import org.jfree.chart.ChartFactory;
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import org.jfree.chart.ChartRenderingInfo;
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import org.jfree.chart.JFreeChart;
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import org.jfree.chart.axis.DateAxis;
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import org.jfree.chart.encoders.EncoderUtil;
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import org.jfree.chart.encoders.ImageFormat;
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import org.jfree.chart.entity.CategoryItemEntity;
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import org.jfree.chart.entity.ChartEntity;
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import org.jfree.chart.entity.JFreeChartEntity;
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import org.jfree.chart.entity.LegendItemEntity;
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import org.jfree.chart.entity.PlotEntity;
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import org.jfree.chart.entity.TickLabelEntity;
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import org.jfree.chart.entity.TitleEntity;
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import org.jfree.chart.entity.XYItemEntity;
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import org.jfree.chart.plot.CategoryPlot;
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import org.jfree.chart.plot.Plot;
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import org.jfree.chart.plot.PlotOrientation;
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import org.jfree.chart.plot.XYPlot;
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import org.jfree.chart.title.LegendTitle;
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import org.jfree.data.category.CategoryDataset;
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import org.jfree.data.category.DefaultCategoryDataset;
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import org.jfree.data.gantt.GanttCategoryDataset;
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import org.jfree.data.time.RegularTimePeriod;
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import org.jfree.data.time.TimeSeriesCollection;
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import org.jfree.data.xy.IntervalXYDataset;
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import org.jfree.data.xy.XYDataset;
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import org.jfree.data.xy.XYSeries;
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import org.jfree.data.xy.XYSeriesCollection;
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import org.jfree.data.xy.XYZDataset;
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import org.zkoss.lang.Objects;
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import org.zkoss.util.TimeZones;
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import org.zkoss.zk.ui.UiException;
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import org.zkoss.zk.ui.event.Events;
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import org.zkoss.zul.Area;
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import org.zkoss.zul.CategoryModel;
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import org.zkoss.zul.Chart;
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import org.zkoss.zul.ChartModel;
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import org.zkoss.zul.XYModel;
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import org.zkoss.zul.impl.ChartEngine;
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public class JFreeChartEngine implements ChartEngine {
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private String _type;
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private ChartImpl _chartImpl;
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private transient boolean _threeD;
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private static final SimpleDateFormat _dateFormat = new SimpleDateFormat();
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private static Map _periodMap = new HashMap(10);
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static {
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_periodMap.put(Chart.MILLISECOND, org.jfree.data.time.Millisecond.class);
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_periodMap.put(Chart.SECOND, org.jfree.data.time.Second.class);
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_periodMap.put(Chart.MINUTE, org.jfree.data.time.Minute.class);
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_periodMap.put(Chart.HOUR, org.jfree.data.time.Hour.class);
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_periodMap.put(Chart.DAY, org.jfree.data.time.Day.class);
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_periodMap.put(Chart.WEEK, org.jfree.data.time.Week.class);
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_periodMap.put(Chart.MONTH, org.jfree.data.time.Month.class);
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_periodMap.put(Chart.QUARTER, org.jfree.data.time.Quarter.class);
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_periodMap.put(Chart.YEAR, org.jfree.data.time.Year.class);
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}
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private ChartImpl getChartImpl(Chart chart){
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if (Objects.equals(chart.getType(), _type) && _threeD == chart.isThreeD()) {
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return _chartImpl;
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}
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if ( Chart.TIME_SERIES.equals(chart.getType()) ){
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_chartImpl = new TimeSeriesChart();
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}else if ( Chart.BAR.equals(chart.getType())){
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_chartImpl = chart.isThreeD() ? new Bar3dChart() : new BarChart();
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}else {
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throw new RuntimeException("Unsupported chart type: " + chart.getType());
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}
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_threeD = chart.isThreeD();
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_type = chart.getType();
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return _chartImpl;
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}
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@Override
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public byte[] drawChart(Object data) {
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Chart chart = (Chart) data;
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ChartImpl impl = getChartImpl(chart);
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JFreeChart jfchart = impl.createChart(chart);
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Plot plot = (Plot) jfchart.getPlot();
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float alpha = (float)(((float)chart.getFgAlpha()) / 255);
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plot.setForegroundAlpha(alpha);
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alpha = (float)(((float)chart.getBgAlpha()) / 255);
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plot.setBackgroundAlpha(alpha);
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int[] bgRGB = chart.getBgRGB();
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if (bgRGB != null) {
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plot.setBackgroundPaint(new Color(bgRGB[0], bgRGB[1], bgRGB[2], chart.getBgAlpha()));
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}
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int[] paneRGB = chart.getPaneRGB();
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if (paneRGB != null) {
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jfchart.setBackgroundPaint(new Color(paneRGB[0], paneRGB[1], paneRGB[2], chart.getPaneAlpha()));
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}
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//since 3.6.3, JFreeChart 1.0.13 change default fonts which does not support Chinese, allow
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//developer to set font.
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//title font
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final Font tfont = chart.getTitleFont();
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if (tfont != null) {
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jfchart.getTitle().setFont(tfont);
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}
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//legend font
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final Font lfont = chart.getLegendFont();
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if (lfont != null) {
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jfchart.getLegend().setItemFont(lfont);
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}
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if (plot instanceof CategoryPlot) {
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final CategoryPlot cplot = (CategoryPlot) plot;
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cplot.setRangeGridlinePaint(new Color(0xc0, 0xc0, 0xc0));
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//Domain axis(x axis)
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final Font xlbfont = chart.getXAxisFont();
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final Font xtkfont = chart.getXAxisTickFont();
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if (xlbfont != null) {
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cplot.getDomainAxis().setLabelFont(xlbfont);
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}
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if (xtkfont != null) {
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cplot.getDomainAxis().setTickLabelFont(xtkfont);
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}
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//Range axis(y axis)
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final Font ylbfont = chart.getYAxisFont();
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final Font ytkfont = chart.getYAxisTickFont();
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if (ylbfont != null) {
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cplot.getRangeAxis().setLabelFont(ylbfont);
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}
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if (ytkfont != null) {
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cplot.getRangeAxis().setTickLabelFont(ytkfont);
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}
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} else if (plot instanceof XYPlot) {
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final XYPlot xyplot = (XYPlot) plot;
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xyplot.setRangeGridlinePaint(Color.LIGHT_GRAY);
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xyplot.setDomainGridlinePaint(Color.LIGHT_GRAY);
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//Domain axis(x axis)
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final Font xlbfont = chart.getXAxisFont();
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final Font xtkfont = chart.getXAxisTickFont();
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if (xlbfont != null) {
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xyplot.getDomainAxis().setLabelFont(xlbfont);
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}
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if (xtkfont != null) {
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xyplot.getDomainAxis().setTickLabelFont(xtkfont);
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}
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//Range axis(y axis)
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final Font ylbfont = chart.getYAxisFont();
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final Font ytkfont = chart.getYAxisTickFont();
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if (ylbfont != null) {
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xyplot.getRangeAxis().setLabelFont(ylbfont);
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}
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if (ytkfont != null) {
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xyplot.getRangeAxis().setTickLabelFont(ytkfont);
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}
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}
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//callbacks for each area
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ChartRenderingInfo jfinfo = new ChartRenderingInfo();
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BufferedImage bi = jfchart.createBufferedImage(chart.getIntWidth(), chart.getIntHeight(), Transparency.TRANSLUCENT, jfinfo);
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//remove old areas
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if (chart.getChildren().size() > 20)
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chart.invalidate(); //improve performance if too many chart
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chart.getChildren().clear();
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if (Events.isListened(chart, Events.ON_CLICK, false) || chart.isShowTooltiptext()) {
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int j = 0;
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String preUrl = null;
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for(Iterator it=jfinfo.getEntityCollection().iterator();it.hasNext();) {
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ChartEntity ce = ( ChartEntity ) it.next();
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final String url = ce.getURLText();
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//workaround JFreeChart's bug (skip replicate areas)
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if (url != null) {
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if (preUrl == null) {
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preUrl = url;
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} else if (url.equals(preUrl)) { //start replicate, skip
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break;
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}
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}
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//1. JFreeChartEntity area cover the whole chart, will "mask" other areas
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//2. LegendTitle area cover the whole legend, will "mask" each legend
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//3. PlotEntity cover the whole chart plotting araa, will "mask" each bar/line/area
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if (!(ce instanceof JFreeChartEntity)
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&& !(ce instanceof TitleEntity && ((TitleEntity)ce).getTitle() instanceof LegendTitle)
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&& !(ce instanceof PlotEntity)) {
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Area area = new Area();
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area.setParent(chart);
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area.setCoords(ce.getShapeCoords());
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area.setShape(ce.getShapeType());
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area.setId("area_"+chart.getId()+'_'+(j++));
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if (chart.isShowTooltiptext() && ce.getToolTipText() != null) {
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area.setTooltiptext(ce.getToolTipText());
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}
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area.setAttribute("url", ce.getURLText());
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impl.render(chart, area, ce);
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if (chart.getAreaListener() != null) {
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try {
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chart.getAreaListener().onRender(area, ce);
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} catch (Exception ex) {
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throw UiException.Aide.wrap(ex);
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}
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}
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}
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}
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}
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//clean up the "LEGEND_SEQ"
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//used for workaround LegendItemEntity.getSeries() always return 0
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//used for workaround TickLabelEntity no information
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chart.removeAttribute("LEGEND_SEQ");
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chart.removeAttribute("TICK_SEQ");
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try {
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//encode into png image format byte array
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return EncoderUtil.encode(bi, ImageFormat.PNG, true);
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} catch(java.io.IOException ex) {
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throw UiException.Aide.wrap(ex);
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}
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}
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private void decodeLegendInfo(Area area, LegendItemEntity info, Chart chart){
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if (info == null) return;
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final ChartModel model = chart.getModel();
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final int seq = ((Integer)chart.getAttribute("LEGEND_SEQ")).intValue();
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if (model instanceof CategoryModel){
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Comparable series = ((CategoryModel)model).getSeries(seq);
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area.setAttribute("series", series);
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if (chart.isShowTooltiptext() && info.getToolTipText() == null) {
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area.setTooltiptext(series.toString());
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}
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}else if (model instanceof XYModel){
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Comparable series = ((XYModel)model).getSeries(seq);
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area.setAttribute("series", series);
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if (chart.isShowTooltiptext() && info.getToolTipText() == null) {
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area.setTooltiptext(series.toString());
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}
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}
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}
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/**
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* decode XYItemEntity into key-value pair of Area's componentScope.
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*/
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private void decodeXYInfo(Area area, XYItemEntity info, Chart chart) {
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if (info == null) {
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return;
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}
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TimeZone tz = chart.getTimeZone();
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if (tz == null) tz = TimeZones.getCurrent();
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XYDataset dataset = info.getDataset();
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int si = info.getSeriesIndex();
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int ii = info.getItem();
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area.setAttribute("series", dataset.getSeriesKey(si));
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if (dataset instanceof XYZDataset) {
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XYZDataset ds = (XYZDataset) dataset;
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area.setAttribute("x", ds.getX(si, ii));
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area.setAttribute("y", ds.getY(si, ii));
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area.setAttribute("z", ds.getZ(si, ii));
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} else {
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area.setAttribute("x", dataset.getX(si, ii));
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area.setAttribute("y", dataset.getY(si, ii));
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}
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}
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/**
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* decode CategoryItemEntity into key-value pair of Area's componentScope.
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*/
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private void decodeCategoryInfo(Area area, CategoryItemEntity info) {
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if (info == null) {
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return;
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}
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CategoryDataset dataset = info.getDataset();
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Comparable category = info.getColumnKey();
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Comparable series = info.getRowKey();
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area.setAttribute("series", series);
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area.setAttribute("category", category);
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if (dataset instanceof GanttCategoryDataset) {
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final GanttCategoryDataset gd = (GanttCategoryDataset) dataset;
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area.setAttribute("start", gd.getStartValue(series, category));
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area.setAttribute("end", gd.getEndValue(series, category));
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area.setAttribute("percent", gd.getPercentComplete(series, category));
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} else {
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area.setAttribute("value", dataset.getValue(series, category));
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}
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}
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/**
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* decode TickLabelEntity into key-value pair of Area's componentScope.
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*/
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private void decodeTickLabelInfo(Area area, TickLabelEntity info, Chart chart) {
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if (info == null) {
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return;
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}
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final ChartModel model = chart.getModel();
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final int seq = ((Integer)chart.getAttribute("TICK_SEQ")).intValue();
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if (model instanceof CategoryModel) {
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Comparable category = ((CategoryModel)model).getCategory(seq);
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area.setAttribute("category", category);
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if (chart.isShowTooltiptext() && info.getToolTipText() == null) {
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area.setTooltiptext(category.toString());
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}
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}
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}
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/**
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* transfer a CategoryModel into JFreeChart CategoryDataset.
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*/
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private CategoryDataset CategoryModelToCategoryDataset(CategoryModel model) {
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final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
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for (final Iterator it = model.getKeys().iterator(); it.hasNext();) {
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final List key = (List) it.next();
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Comparable series = (Comparable) key.get(0);
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Comparable category = (Comparable) key.get(1);
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Number value = (Number) model.getValue(series, category);
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dataset.setValue(value, series, category);
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}
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return dataset;
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}
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/*
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* transfer a XYModel into JFreeChart XYSeriesCollection.
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*/
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private XYDataset XYModelToXYDataset(XYModel model) {
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final XYSeriesCollection dataset = new XYSeriesCollection();
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for (final Iterator it = model.getSeries().iterator(); it.hasNext();) {
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final Comparable series = (Comparable) it.next();
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XYSeries xyser = new XYSeries(series, model.isAutoSort());
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final int size = model.getDataCount(series);
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for(int j = 0; j < size; ++j) {
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xyser.add(model.getX(series, j), model.getY(series, j), false);
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}
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dataset.addSeries(xyser);
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}
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return dataset;
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}
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/**
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* transfer a XYModel into JFreeChart TimeSeriesCollection.
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*/
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private XYDataset XYModelToTimeDataset(XYModel model, Chart chart) {
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TimeZone tz = chart.getTimeZone();
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if (tz == null) tz = TimeZones.getCurrent();
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String p = chart.getPeriod();
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if (p == null) p = Chart.MILLISECOND;
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Class pclass = (Class) _periodMap.get(p);
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if (pclass == null) {
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throw new UiException("Unsupported period for Time Series chart: "+p);
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}
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final TimeSeriesCollection dataset = new TimeSeriesCollection(tz);
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for (final Iterator it = model.getSeries().iterator(); it.hasNext();) {
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final Comparable series = (Comparable) it.next();
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final org.jfree.data.time.TimeSeries tser =
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new org.jfree.data.time.TimeSeries(series);
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//new org.jfree.data.time.TimeSeries(series, pclass); //deprecated since JFreeChart 10.0.13
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final int size = model.getDataCount(series);
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for(int j = 0; j < size; ++j) {
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final RegularTimePeriod period = RegularTimePeriod.createInstance(
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pclass, new Date(model.getX(series, j).longValue()), tz);
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tser.addOrUpdate(period, model.getY(series, j));
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}
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dataset.addSeries(tser);
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}
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return dataset;
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}
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private PlotOrientation getOrientation(String orient) {
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return "horizontal".equals(orient) ?
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PlotOrientation.HORIZONTAL : PlotOrientation.VERTICAL;
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}
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//-- Chart specific implementation --//
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/** base chart */
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abstract private class ChartImpl {
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abstract void render(Chart chart, Area area, ChartEntity info);
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abstract JFreeChart createChart(Chart chart);
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}
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private class TimeSeriesChart extends ChartImpl{
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@Override
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public void render(Chart chart, Area area, ChartEntity info) {
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if (info instanceof LegendItemEntity) {
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area.setAttribute("entity", "LEGEND");
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Integer seq = (Integer)chart.getAttribute("LEGEND_SEQ");
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seq = seq == null ? new Integer(0) : new Integer(seq.intValue()+1);
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chart.setAttribute("LEGEND_SEQ", seq);
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decodeLegendInfo(area, (LegendItemEntity)info, chart);
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} else if (info instanceof XYItemEntity) {
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area.setAttribute("entity", "DATA");
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decodeXYInfo(area, (XYItemEntity) info, chart);
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} else {
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area.setAttribute("entity", "TITLE");
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if (chart.isShowTooltiptext()) {
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area.setTooltiptext(chart.getTitle());
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}
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}
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}
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@Override
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public JFreeChart createChart(Chart chart) {
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ChartModel model = (ChartModel) chart.getModel();
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if (!(model instanceof XYModel)) {
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throw new UiException("model must be a org.zkoss.zul.XYModel");
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}
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final JFreeChart jchart = ChartFactory.createTimeSeriesChart(
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chart.getTitle(),
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chart.getXAxis(),
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chart.getYAxis(),
|
||||
XYModelToTimeDataset((XYModel)model, chart),
|
||||
chart.isShowLegend(),
|
||||
chart.isShowTooltiptext(), true);
|
||||
setupDateAxis(jchart, chart);
|
||||
return jchart;
|
||||
}
|
||||
}
|
||||
|
||||
private void setupDateAxis(JFreeChart jchart, Chart chart) {
|
||||
final Plot plot = jchart.getPlot();
|
||||
final DateAxis axisX = (DateAxis) ((XYPlot)plot).getDomainAxis();
|
||||
final TimeZone zone = chart.getTimeZone();
|
||||
if (zone != null) {
|
||||
axisX.setTimeZone(zone);
|
||||
}
|
||||
if (chart.getDateFormat() != null) {
|
||||
axisX.setDateFormatOverride(_dateFormat);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
private class BarChart extends ChartImpl{
|
||||
public void render(Chart chart, Area area, ChartEntity info) {
|
||||
if (info instanceof LegendItemEntity) {
|
||||
area.setAttribute("entity", "LEGEND");
|
||||
Integer seq = (Integer)chart.getAttribute("LEGEND_SEQ");
|
||||
seq = seq == null ? new Integer(0) : new Integer(seq.intValue()+1);
|
||||
chart.setAttribute("LEGEND_SEQ", seq);
|
||||
decodeLegendInfo(area, (LegendItemEntity)info, chart);
|
||||
} else if (info instanceof CategoryItemEntity) {
|
||||
area.setAttribute("entity", "DATA");
|
||||
decodeCategoryInfo(area, (CategoryItemEntity)info);
|
||||
} else if (info instanceof XYItemEntity) {
|
||||
area.setAttribute("entity", "DATA");
|
||||
decodeXYInfo(area, (XYItemEntity) info, chart);
|
||||
} else if (info instanceof TickLabelEntity) {
|
||||
area.setAttribute("entity", "CATEGORY");
|
||||
Integer seq = (Integer)chart.getAttribute("TICK_SEQ");
|
||||
seq = seq == null ? new Integer(0) : new Integer(seq.intValue()+1);
|
||||
chart.setAttribute("TICK_SEQ", seq);
|
||||
decodeTickLabelInfo(area, (TickLabelEntity) info, chart);
|
||||
} else {
|
||||
area.setAttribute("entity", "TITLE");
|
||||
if (chart.isShowTooltiptext()) {
|
||||
area.setTooltiptext(chart.getTitle());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public JFreeChart createChart(Chart chart) {
|
||||
ChartModel model = (ChartModel) chart.getModel();
|
||||
if (model instanceof CategoryModel) {
|
||||
return ChartFactory.createBarChart(
|
||||
chart.getTitle(),
|
||||
chart.getXAxis(),
|
||||
chart.getYAxis(),
|
||||
CategoryModelToCategoryDataset((CategoryModel)model),
|
||||
getOrientation(chart.getOrient()),
|
||||
chart.isShowLegend(),
|
||||
chart.isShowTooltiptext(), true);
|
||||
} else if (model instanceof XYModel) {
|
||||
return ChartFactory.createXYBarChart(
|
||||
chart.getTitle(),
|
||||
chart.getXAxis(),
|
||||
false,
|
||||
chart.getYAxis(),
|
||||
(IntervalXYDataset) XYModelToXYDataset((XYModel)model),
|
||||
getOrientation(chart.getOrient()),
|
||||
chart.isShowLegend(),
|
||||
chart.isShowTooltiptext(), true);
|
||||
}else{
|
||||
throw new UiException("The only supported model is org.zkoss.zul.CategoryModel");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/** bar3d chart */
|
||||
private class Bar3dChart extends BarChart {
|
||||
public JFreeChart createChart(Chart chart) {
|
||||
ChartModel model = (ChartModel) chart.getModel();
|
||||
if (!(model instanceof CategoryModel)) {
|
||||
throw new UiException("model must be a org.zkoss.zul.CategoryModel");
|
||||
}
|
||||
return ChartFactory.createBarChart3D(
|
||||
chart.getTitle(),
|
||||
chart.getXAxis(),
|
||||
chart.getYAxis(),
|
||||
CategoryModelToCategoryDataset((CategoryModel)model),
|
||||
getOrientation(chart.getOrient()),
|
||||
chart.isShowLegend(),
|
||||
chart.isShowTooltiptext(), true);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue