Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/StyledXYSeries.java @ 2278:08bb95e1fc41
"Bezugslinienverfahren": Fetch axis types from call context.
flys-artifacts/trunk@3937 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 06 Feb 2012 15:57:31 +0000 |
parents | 41037d51c8b6 |
children | 991e4a5df323 |
rev | line source |
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1 package de.intevation.flys.jfree; |
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2 |
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3 import java.awt.BasicStroke; |
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4 import java.awt.Color; |
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5 import java.awt.geom.Ellipse2D; |
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6 |
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7 import org.apache.log4j.Logger; |
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8 |
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9 import org.w3c.dom.Document; |
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10 |
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11 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; |
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12 import org.jfree.data.xy.XYSeries; |
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13 |
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14 import de.intevation.flys.utils.ThemeUtil; |
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15 |
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16 /** |
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17 * Dataseries in two dimensions with additional theme-document and further |
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18 * display options. |
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19 * The theme-document will later "style" the graphical representation. |
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20 * The display options can be used to control the z-order and the axis of the |
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21 * dataseries. |
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22 */ |
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23 public class StyledXYSeries extends XYSeries { |
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24 |
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25 protected Document theme; |
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26 |
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27 private static final Logger logger = Logger.getLogger(StyledXYSeries.class); |
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28 |
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29 |
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30 public StyledXYSeries(String key, Document theme) { |
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31 this(key, true, theme); |
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32 } |
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33 |
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34 |
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35 /** |
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36 * @param sorted whether or not to sort the points. Sorting will move NANs |
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37 * to one extrema which can cause problems in certain |
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38 * algorithms. |
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39 */ |
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40 public StyledXYSeries(String key, boolean sorted, Document theme) { |
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41 super(key, sorted); |
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42 this.theme = theme; |
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43 } |
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44 |
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45 |
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46 /** |
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47 * Applies line color, size and type attributes to renderer, also |
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48 * whether to draw lines and/or points. |
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49 */ |
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50 public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){ |
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51 applyLineColor(r, idx); |
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52 applyLineSize(r, idx); |
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53 applyLineType(r, idx); |
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54 applyShowLine(r, idx); |
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55 applyShowPoints(r, idx); |
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56 applyPointSize(r, idx); |
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57 applyShowMinimum(r, idx); |
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58 applyShowMaximum(r, idx); |
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59 |
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60 return r; |
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61 } |
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62 |
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63 |
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64 /** Set line color to renderer. */ |
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65 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) { |
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66 Color c = ThemeUtil.parseLineColorField(theme); |
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67 r.setSeriesPaint(idx, c); |
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68 } |
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69 |
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70 |
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71 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) { |
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72 int size = ThemeUtil.parseLineWidth(theme); |
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73 r.setSeriesStroke( |
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74 idx, |
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75 new BasicStroke(Integer.valueOf(size))); |
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76 } |
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77 |
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78 |
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79 protected void applyLineType(XYLineAndShapeRenderer r, int idx) { |
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80 int size = ThemeUtil.parseLineWidth(theme); |
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81 float[] dashes = ThemeUtil.parseLineStyle(theme); |
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82 |
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83 // Do not apply the dashed style. |
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84 if (dashes.length <= 1) { |
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85 return; |
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86 } |
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87 |
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88 r.setSeriesStroke( |
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89 idx, |
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90 new BasicStroke(Integer.valueOf(size), |
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91 BasicStroke.CAP_BUTT, |
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92 BasicStroke.JOIN_ROUND, |
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93 1.0f, |
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94 dashes, |
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95 0.0f)); |
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96 } |
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97 |
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98 |
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99 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) { |
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100 int size = ThemeUtil.parsePointWidth(theme); |
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101 int dim = 2 * size; |
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102 |
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103 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim)); |
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104 } |
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105 |
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106 |
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107 /** |
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108 * Sets form and visibility of points. |
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109 */ |
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110 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) { |
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111 boolean show = ThemeUtil.parseShowPoints(theme); |
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112 |
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113 r.setSeriesShapesVisible(idx, show); |
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114 r.setDrawOutlines(true); |
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115 } |
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116 |
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117 |
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118 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) { |
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119 boolean show = ThemeUtil.parseShowLine(theme); |
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120 r.setSeriesLinesVisible(idx, show); |
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121 } |
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122 |
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123 |
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124 protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) { |
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125 if (!(r instanceof EnhancedLineAndShapeRenderer)) { |
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126 return; |
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127 } |
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128 |
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129 boolean visible = ThemeUtil.parseShowMinimum(theme); |
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130 |
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131 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r; |
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132 er.setIsMinimumShapeVisisble(idx, visible); |
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133 } |
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134 |
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135 |
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136 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) { |
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137 if (!(r instanceof EnhancedLineAndShapeRenderer)) { |
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138 return; |
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139 } |
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140 |
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141 boolean visible = ThemeUtil.parseShowMaximum(theme); |
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142 |
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143 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r; |
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144 er.setIsMaximumShapeVisible(idx, visible); |
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145 } |
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146 } |
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147 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |