Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/XYStyle.java @ 2660:1a044c51abe4

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Respect colors of theme for linelabels. flys-artifacts/trunk@4334 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 02 May 2012 22:30:27 +0000
parents f1dcd5f94ffa
children bdc86e61428c
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
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8 import org.w3c.dom.Document;
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9
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10 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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11
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12 import de.intevation.flys.utils.ThemeUtil;
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13
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14
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15 /**
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16 * Utility to apply theme-settings to a renderer.
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17 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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18 */
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19 public class XYStyle implements Style {
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20
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21 protected Document theme;
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22
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23
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24 public XYStyle(Document theme) {
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25 this.theme = theme;
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26 }
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27
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28
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29 /**
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30 * Applies line color, size and type attributes to renderer, also
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31 * whether to draw lines and/or points.
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32 */
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33 public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){
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34 applyLineColor(r, idx);
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35 applyLineSize(r, idx);
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36 applyLineType(r, idx);
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37 applyShowLine(r, idx);
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38 applyShowPoints(r, idx);
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39 applyPointSize(r, idx);
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40 applyShowMinimum(r, idx);
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41 applyShowMaximum(r, idx);
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42 applyShowLineLabel(r, idx);
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43 applyLineLabelFont(r, idx);
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44 applyLineLabelColor(r, idx);
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45 applyLineLabelBGColor(r, idx);
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46
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47 return r;
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48 }
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49
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50
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51 /** Set line color to renderer. */
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52 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
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53 Color c = ThemeUtil.parseLineColorField(theme);
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54 r.setSeriesPaint(idx, c);
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55 }
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56
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57
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58 /** Tells the renderer whether or not to add a label to a line. */
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59 protected void applyShowLineLabel(XYLineAndShapeRenderer r, int idx) {
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60 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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61 return;
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62 }
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63 boolean showLabelLine = ThemeUtil.parseShowLineLabel(theme);
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64 ((EnhancedLineAndShapeRenderer)r).setShowLineLabel(showLabelLine, idx);
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65 }
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66
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67
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68 /** Tell the renderer which font (and -size and -style) to use for
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69 * linelabels. */
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70 protected void applyLineLabelFont(XYLineAndShapeRenderer r, int idx) {
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71 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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72 return;
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73 }
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74 ((EnhancedLineAndShapeRenderer)r).setLineLabelFont(ThemeUtil.parseLineLabelFont(theme), idx);
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75 }
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76
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77 /** Tell the renderer which color to use for
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78 * linelabels. */
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79 protected void applyLineLabelColor(XYLineAndShapeRenderer r, int idx) {
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80 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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81 return;
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82 }
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83 ((EnhancedLineAndShapeRenderer)r).setLineLabelTextColor(idx, ThemeUtil.parseLineLabelTextColor(theme));
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84 }
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85
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86 /** Tell the renderer which color to use for bg of
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87 * linelabels. */
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88 protected void applyLineLabelBGColor(XYLineAndShapeRenderer r, int idx) {
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89 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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90 return;
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91 }
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92 ((EnhancedLineAndShapeRenderer)r).setLineLabelBGColor(idx,
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93 ThemeUtil.parseLineLabelBGColor(theme));
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94 }
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95
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96 /** Set stroke of series. */
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97 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
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98 int size = ThemeUtil.parseLineWidth(theme);
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99 r.setSeriesStroke(
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100 idx,
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101 new BasicStroke(Integer.valueOf(size)));
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102 }
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103
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104
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105 /** Set stroke strength of series. */
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106 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
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107 int size = ThemeUtil.parseLineWidth(theme);
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108 float[] dashes = ThemeUtil.parseLineStyle(theme);
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109
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110 // Do not apply the dashed style.
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111 if (dashes.length <= 1) {
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112 return;
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113 }
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114
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115 r.setSeriesStroke(
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116 idx,
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117 new BasicStroke(Integer.valueOf(size),
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118 BasicStroke.CAP_BUTT,
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119 BasicStroke.JOIN_ROUND,
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120 1.0f,
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121 dashes,
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122 0.0f));
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123 }
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124
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125
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126 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
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127 int size = ThemeUtil.parsePointWidth(theme);
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128 int dim = 2 * size;
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129
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130 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
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131 }
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132
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133
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134 /**
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135 * Sets form and visibility of points.
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136 */
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137 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
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138 boolean show = ThemeUtil.parseShowPoints(theme);
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139
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140 r.setSeriesShapesVisible(idx, show);
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141 r.setDrawOutlines(true);
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142 }
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143
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144
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145 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
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146 boolean show = ThemeUtil.parseShowLine(theme);
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147 r.setSeriesLinesVisible(idx, show);
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148 }
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149
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150
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151 protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) {
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152 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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153 return;
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154 }
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155
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156 boolean visible = ThemeUtil.parseShowMinimum(theme);
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157
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158 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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159 er.setIsMinimumShapeVisisble(idx, visible);
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160 }
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161
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162
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163 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
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164 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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165 return;
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166 }
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167
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168 boolean visible = ThemeUtil.parseShowMaximum(theme);
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169
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170 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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171 er.setIsMaximumShapeVisible(idx, visible);
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172 }
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173 }
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174 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org