Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/AbstractXYLineChart.java @ 324:e6e172a4915e

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Removed needless imports. gnv-artifacts/trunk@387 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 30 Nov 2009 15:08:47 +0000
parents 63f8b3fb7d9a
children 22a6493e8460
rev   line source
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1 package de.intevation.gnv.chart;
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2
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3 import java.awt.Color;
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4 import java.text.NumberFormat;
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5 import java.util.Collection;
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6 import java.util.Iterator;
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7 import java.util.Locale;
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8
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9 import org.apache.log4j.Logger;
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10
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11 import org.jfree.chart.JFreeChart;
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12 import org.jfree.chart.ChartFactory;
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13 import org.jfree.chart.axis.Axis;
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14 import org.jfree.chart.axis.NumberAxis;
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15 import org.jfree.chart.axis.NumberTickUnit;
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16 import org.jfree.chart.axis.AxisLocation;
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17 import org.jfree.chart.plot.PlotOrientation;
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18 import org.jfree.chart.plot.XYPlot;
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19 import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
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20 import org.jfree.data.general.Series;
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21
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22 import de.intevation.gnv.geobackend.base.Result;
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23 import de.intevation.gnv.transition.describedata.KeyValueDescibeData;
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24
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25 /**
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26 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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27 */
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28 public abstract class AbstractXYLineChart
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29 extends AbstractChart
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30 {
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31 private static Logger log = Logger.getLogger(AbstractXYLineChart.class);
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32
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33 protected static Color[] COLOR = {
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34 Color.black, Color.red, Color.green, Color.blue
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35 };
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36
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37 protected PlotOrientation PLOT_ORIENTATION = PlotOrientation.VERTICAL;
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38
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39 protected abstract void initData();
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40 protected abstract void addValue(Result row, Series series);
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41 protected abstract void addSeries(Series series, int idx);
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42 protected abstract void localizeDomainAxis(Axis axis, Locale locale);
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43 protected abstract String createSeriesName(
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44 String breakPoint1,
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45 String breakPoint2,
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46 String breakPoint3
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47 );
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48
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49
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50 public JFreeChart generateChart() {
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51 log.debug("generate XYLineChart");
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52
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53 if (chart != null)
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54 return chart;
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55
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56 chart = ChartFactory.createXYLineChart(
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57 labels.getTitle(),
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58 labels.getDomainAxisLabel(),
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59 null,
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60 null,
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61 PLOT_ORIENTATION,
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62 true,
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63 false,
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64 false
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65 );
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66
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a16d337c5678 The style of charts can be configured with ChartThemes using XML configuration files.
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67 theme.apply(chart);
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68 initData();
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69
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70 return chart;
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71 }
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72
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73
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74 protected void prepareAxis(String seriesKey, int idx) {
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75 log.debug("prepare axis of xychart");
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76
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77 XYPlot plot = chart.getXYPlot();
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78 Axis xAxis = plot.getDomainAxis();
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79 NumberAxis yAxis = new NumberAxis(seriesKey);
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80
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81 localizeDomainAxis(xAxis, locale);
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82 localizeRangeAxis(yAxis, locale);
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83
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84 if (seriesKey.contains("richtung")) {
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85 yAxis.setTickUnit(new NumberTickUnit(30.0));
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86 yAxis.setUpperBound(360.0);
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87 yAxis.setLowerBound(0.0);
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88 plot.setRangeAxis(idx, yAxis);
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89 }
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90 else {
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91 yAxis.setFixedDimension(10.0);
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92 yAxis.setAutoRangeIncludesZero(false);
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93 plot.setRangeAxis(idx, yAxis);
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94 yAxis.configure();
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95 }
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96
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97 if (idx % 2 != 0)
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98 plot.setRangeAxisLocation(idx, AxisLocation.BOTTOM_OR_RIGHT);
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99 else
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100 plot.setRangeAxisLocation(idx, AxisLocation.BOTTOM_OR_LEFT);
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101 plot.mapDatasetToRangeAxis(idx, idx);
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102
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103 StandardXYItemRenderer renderer = new StandardXYItemRenderer();
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104 renderer.setSeriesPaint(idx, COLOR[idx%COLOR.length]);
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105 plot.setRenderer(idx, renderer);
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106 }
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107
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108
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109 protected void localizeRangeAxis(Axis axis, Locale locale) {
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110 if (locale == null)
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111 return;
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112
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113 log.debug(
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114 "Set language of axis [" + axis.getLabel() + "] " +
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115 "to " + locale.toString()
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116 );
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117
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118 NumberFormat format = NumberFormat.getInstance(locale);
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119 ((NumberAxis) axis).setNumberFormatOverride(format);
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120 }
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121
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122
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123 protected String findValueTitle(Collection values, String id) {
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124 log.debug("find description of dataset");
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125
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126 if (values != null){
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127 Iterator it = values.iterator();
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128 while (it.hasNext()) {
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129 KeyValueDescibeData data = (KeyValueDescibeData) it.next();
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63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 307
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130
307
f0f106c7b906 Fixed some broken Method-Extentions.
Tim Englich <tim.englich@intevation.de>
parents: 304
diff changeset
131 if (id.equals(data.getKey()))
f0f106c7b906 Fixed some broken Method-Extentions.
Tim Englich <tim.englich@intevation.de>
parents: 304
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132 return data.getValue();
f0f106c7b906 Fixed some broken Method-Extentions.
Tim Englich <tim.englich@intevation.de>
parents: 304
diff changeset
133 }
297
3f43392df3f6 Interface and abstract classes for chart creation implemented.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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134 }
3f43392df3f6 Interface and abstract classes for chart creation implemented.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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135 return "";
3f43392df3f6 Interface and abstract classes for chart creation implemented.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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136 }
3f43392df3f6 Interface and abstract classes for chart creation implemented.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
137 }
315
63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 307
diff changeset
138 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org