Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/XMLChartTheme.java @ 617:3d13fa281a7e

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Added new ouput mode: histogram. gnv-artifacts/trunk@688 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 15 Feb 2010 11:44:01 +0000
parents 22a6493e8460
children 79401c871da4
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.Font;
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4 import java.awt.Color;
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5 import java.awt.Paint;
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6 import java.awt.geom.Ellipse2D;
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7 import java.lang.NumberFormatException;
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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.StandardChartTheme;
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12 import org.jfree.chart.plot.XYPlot;
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13 import org.jfree.chart.renderer.xy.AbstractXYItemRenderer;
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14 import org.jfree.chart.renderer.xy.XYBarRenderer;
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15 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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16 import org.jfree.ui.RectangleInsets;
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17 import org.jfree.util.UnitType;
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18
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19
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20 import org.w3c.dom.Document;
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21
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22 import de.intevation.artifactdatabase.Config;
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23
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24 /**
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25 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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26 */
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27 public class XMLChartTheme
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28 extends StandardChartTheme
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29 {
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30 private static final Color DEFAULT_COLOR = Color.BLACK;
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31
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32 private Logger log = Logger.getLogger(XMLChartTheme.class);
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33
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34 protected boolean domainCrosshairVisible;
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35 protected boolean rangeCrosshairVisible;
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36 protected boolean renderLines;
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37 protected boolean renderShapes;
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38
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39 protected int pointWidth;
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40 protected int pointHeight;
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41
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42 protected Paint histogramBasePaint;
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43
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44
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45 public XMLChartTheme(String name) {
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46 super(name);
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47 }
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49
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50 public void setDomainCrosshairVisible(boolean visible) {
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51 this.domainCrosshairVisible = visible;
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52 }
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54
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55 public boolean getDomainCrosshairVisible() {
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56 return domainCrosshairVisible;
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57 }
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59
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60 public boolean getRangeCrosshairVisible() {
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61 return rangeCrosshairVisible;
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62 }
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65 public void setRangeCrosshairVisible(boolean visible) {
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66 this.rangeCrosshairVisible = visible;
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67 }
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69
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70 public void setHistogramBasePaint(Color c) {
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71 this.histogramBasePaint = c;
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72 }
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74
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75 public Paint getHistogramBasePaint() {
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76 return histogramBasePaint;
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77 }
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80 public void applyXMLConfiguration(Document document) {
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81 log.debug("create XMLChartTheme");
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82
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83 init(document);
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84 }
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86
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87 private void init(Document document) {
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88 log.debug("init XMLChartTheme parameters");
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89
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90 initChartParameters(document);
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91 initTitleParameters(document);
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92 initSubtitleParameters(document);
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93 initPlotParameters(document);
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94 initAxisParameters(document);
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95 initLegendParameters(document);
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96 initRenderer(document);
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97 initHistogramColor(document);
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98 }
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100
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101 private void initTitleParameters(Document document) {
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102 log.debug("init title parameters.");
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103
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104 int size = getInt(document, "theme/title/font/size/@value");
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105 String type = getString(document, "theme/title/font/type/@value");
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106 boolean bold = getBool(document, "theme/title/font/bold/@value");
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107
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108 setExtraLargeFont(createFont(type, size, bold));
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109
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110 String color = getString(document, "theme/title/font/color/@value");
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111 Color c = decodeColor(color);
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112 if (c != null)
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113 setTitlePaint(c);
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114 }
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116
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117 private void initSubtitleParameters(Document document) {
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118 log.debug("init title parameters.");
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119
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120 int size = getInt(document, "theme/subtitle/font/size/@value");
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121 String type = getString(document, "theme/subtitle/font/type/@value");
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122 boolean bold = getBool(document, "theme/subtitle/font/bold/@value");
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123
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124 setLargeFont(createFont(type, size, bold));
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125
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126 String col = getString(document, "theme/subtitle/font/color/@value");
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127 setSubtitlePaint(Color.decode(col));
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128 }
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129
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130
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131 private void initChartParameters(Document document) {
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132 log.debug("init chart parameters.");
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133
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134 String bg = getString(document, "theme/chart/background/color/@value");
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135 Color c = decodeColor(bg);
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136 if (c != null)
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137 setChartBackgroundPaint(c);
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138 }
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139
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140
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141 private void initPlotParameters(Document document) {
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142 log.debug("init plot parameters.");
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143
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144 String tmp = null;
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145 tmp = getString(document, "theme/plot/background/color/@value");
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146 Color c = decodeColor(tmp);
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147 if (c != null)
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148 setPlotBackgroundPaint(c);
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149
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150 tmp = getString(document, "theme/plot/outline/color/@value");
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151 c = decodeColor(tmp);
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152 if (c != null)
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153 setPlotOutlinePaint(c);
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154
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155 tmp = getString(document, "theme/plot/domaingridline/color/@value");
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156 c = decodeColor(tmp);
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157 if (c != null)
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158 setDomainGridlinePaint(c);
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159
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160 tmp = getString(document, "theme/plot/rangegridline/color/@value");
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161 c = decodeColor(tmp);
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162 if (c != null)
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163 setRangeGridlinePaint(c);
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164
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165 boolean rangeCrosshairVisible = getBool(
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166 document, "theme/plot/rangecrosshair/visible/@value");
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167 setRangeCrosshairVisible(rangeCrosshairVisible);
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168
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169 boolean domainCrosshairVisible = getBool(
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170 document, "theme/plot/domaincrosshair/visible/@value");
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171 setDomainCrosshairVisible(domainCrosshairVisible);
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172
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173 int top = getInt(document, "theme/plot/offset/top/@value");
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174 int bottom = getInt(document, "theme/plot/offset/bottom/@value");
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175 int left = getInt(document, "theme/plot/offset/left/@value");
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176 int right = getInt(document, "theme/plot/offset/right/@value");
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177 setAxisOffset(new RectangleInsets(
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178 UnitType.RELATIVE,
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179 top, left, bottom, right)
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180 );
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181 }
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182
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183
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184 private void initAxisParameters(Document document) {
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185 log.debug("init axis parameters.");
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186
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187 String tmp = null;
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188 tmp = getString(document, "theme/axis/label/color/@value");
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189 Color c = decodeColor(tmp);
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190 if (c != null)
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191 setAxisLabelPaint(c);
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192
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193 tmp = getString(document, "theme/axis/ticklabel/color/@value");
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194 c = decodeColor(tmp);
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195 if (c != null)
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196 setTickLabelPaint(c);
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197 }
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198
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199
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200 private void initLegendParameters(Document document) {
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201 log.debug("init legend parameters.");
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202
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203 String tmp = null;
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204 tmp = getString(document, "theme/legend/font/color/@value");
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205 Color c = decodeColor(tmp);
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206 if (c != null)
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207 setLegendItemPaint(c);
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208
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209 tmp = getString(document, "theme/legend/background/color/@value");
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210 c = decodeColor(tmp);
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211 if (c != null)
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212 setLegendBackgroundPaint(c);
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213 }
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214
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215
327
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216 private void initRenderer(Document document) {
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217 log.debug("init renderer parameters.");
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218
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219 pointWidth = getInt(document, "theme/plot/itemrenderer/width/@value");
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220 log.debug("Read point width of " + pointWidth);
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221 pointHeight = getInt(document, "theme/plot/itemrenderer/height/@value");
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222 log.debug("Read point height of " + pointHeight);
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223 renderLines = getBool(
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224 document, "theme/plot/itemrenderer/renderLines/@value"
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225 );
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226 renderShapes = getBool(
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227 document, "theme/plot/itemrenderer/renderPoints/@value"
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228 );
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229 }
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230
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231
617
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232 private void initHistogramColor(Document document) {
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233 log.debug("init histogram color");
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234 String tmp = getString(document, "theme/histogram/bar/color/@value");
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235 Color c = decodeColor(tmp);
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236
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237 if (c != null)
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238 setHistogramBasePaint(c);
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239 }
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240
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241
304
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242 private static String getString(Document document, String xpath) {
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243 return Config.getStringXPath(document, xpath);
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244 }
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245
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246
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247 private static int getInt(Document document, String xpath) {
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248 String tmp = getString(document, xpath);
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249
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250 if (tmp != null)
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251 return Integer.parseInt(tmp);
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252 else
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253 return 0;
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254 }
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255
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256
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257 private static boolean getBool(Document document, String xpath) {
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258 String tmp = getString(document, xpath);
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259
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260 if (tmp != null)
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261 return Boolean.parseBoolean(tmp);
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262 else
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263 return false;
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264 }
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265
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266
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267 protected Color decodeColor(String color) {
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268 try {
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269 if (color == null)
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270 return null;
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271
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272 return Color.decode(color);
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273 }
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274 catch (NumberFormatException nfe) {
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275 log.warn("Error while parsing color: " + color, nfe);
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276 }
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277
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278 return null;
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279 }
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280
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281
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282 protected Font createFont(String type, int size, boolean bold) {
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283 Font font = null;
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284 if (bold)
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285 font = new Font(type, Font.BOLD, size);
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286 else
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287 font = new Font(type, Font.PLAIN, size);
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288
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289 return font;
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290 }
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291
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292
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293 protected void applyToXYPlot(XYPlot plot) {
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294 log.debug("apply theme parameter to XYPlot");
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295
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296 super.applyToXYPlot(plot);
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297 plot.setDomainCrosshairVisible(this.domainCrosshairVisible);
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298 plot.setRangeCrosshairVisible(this.rangeCrosshairVisible);
327
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299
617
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300 AbstractXYItemRenderer renderer = (AbstractXYItemRenderer)
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301 plot.getRenderer();
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302
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303 if (renderer instanceof XYLineAndShapeRenderer)
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304 applyToXYLineAndShapeRenderer(plot);
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305
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306 if (renderer instanceof XYBarRenderer)
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307 applyToXYBarRenderer(plot);
327
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308 }
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309
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310
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311 protected void applyToXYLineAndShapeRenderer(XYPlot plot) {
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312 if (plot == null)
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313 return;
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314
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315 XYLineAndShapeRenderer renderer =
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316 (XYLineAndShapeRenderer) plot.getRenderer();
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317
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318 Ellipse2D.Double point = new Ellipse2D.Double(
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319 -(pointWidth/2), -(pointHeight/2), pointWidth, pointHeight
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320 );
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321
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322 renderer.setSeriesShape(0, point);
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323 renderer.setSeriesShapesVisible(0, renderShapes);
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324 renderer.setSeriesLinesVisible(0, renderLines);
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325
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326 plot.setRenderer(renderer);
304
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327 }
617
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328
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329
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330 protected void applyToXYBarRenderer(XYPlot plot) {
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331 if (plot == null)
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332 return;
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333
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334 XYBarRenderer renderer = (XYBarRenderer) plot.getRenderer();
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335
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336 renderer.setSeriesPaint(0, histogramBasePaint);
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337 }
304
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338 }
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