Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/XYStyle.java @ 4713:2c99995395f5

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Documentation.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 19 Dec 2012 14:57:45 +0100
parents 0b9b2a0c4e64
children
rev   line source
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1 package de.intevation.flys.jfree;
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2
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3 import de.intevation.flys.utils.ThemeUtil;
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4
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5 import java.awt.BasicStroke;
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6 import java.awt.Color;
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7 import java.awt.geom.Ellipse2D;
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8
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9 import org.apache.log4j.Logger;
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10 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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11 import org.w3c.dom.Document;
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12
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13
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14 /**
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15 * Utility to apply theme-settings to a renderer.
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16 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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17 */
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18 public class XYStyle implements Style {
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19
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20 private static Logger logger = Logger.getLogger(XYStyle.class);
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21
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22 protected Document theme;
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23
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24 protected XYLineAndShapeRenderer renderer;
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26
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27 public XYStyle(Document theme) {
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28 this.theme = theme;
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29 this.renderer = null;
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30 }
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31
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32
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33 /**
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34 * Applies line color, size and type attributes to renderer, also
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35 * whether to draw lines and/or points.
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36 */
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37 @Override
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38 public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){
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39 this.renderer = r;
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40 applyLineColor(r, idx);
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41 applyLineSize(r, idx);
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42 applyLineType(r, idx);
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43 applyShowLine(r, idx);
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44 applyShowPoints(r, idx);
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45 applyPointSize(r, idx);
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46 applyPointColor(r, idx);
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47 applyShowMinimum(r, idx);
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48 applyShowMaximum(r, idx);
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49
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50 // Line label styles
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51 applyShowLineLabel(r, idx);
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52 applyShowLineLabelBG(r, idx);
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53 applyLineLabelFont(r, idx);
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54 applyLineLabelColor(r, idx);
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55 applyLineLabelBGColor(r, idx);
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56
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57 // Point label styles
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58 // TODO: Currently point label are annotations and are not drawn this way
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59 /*
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60 applyShowPointLabelBG(r, idx);
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61 applyLinePointFont(r, idx);
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62 applyLinePointColor(r, idx);
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63 applyLinePointBGColor(r, idx);*/
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64
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65 return r;
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66 }
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67
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68
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69 /** Set line color to renderer. */
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70 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
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71 Color c = ThemeUtil.parseLineColorField(theme);
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72 if(c != null) {
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73 logger.debug("applyLineColor " + c.toString());
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74 r.setSeriesPaint(idx, c);
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75 }
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76 else {
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77 logger.warn("applyLineColor: color is null - malformed linecolor field?");
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78 }
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79 }
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80
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81
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82 /** Tells the renderer whether or not to add a label to a line. */
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83 protected void applyShowLineLabel(XYLineAndShapeRenderer r, int idx) {
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84 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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85 return;
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86 }
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87 boolean showLabelLine = ThemeUtil.parseShowLineLabel(theme);
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88 boolean anyLabel = showLabelLine || ThemeUtil.parseShowWidth(theme) ||
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89 ThemeUtil.parseShowLevel(theme) ||
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90 ThemeUtil.parseShowMiddleHeight(theme);
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91 ((EnhancedLineAndShapeRenderer)r).setShowLineLabel(anyLabel, idx);
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92 }
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93
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94
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95 /** Tells the renderer whether or not to fill the bg of a lines label. */
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96 protected void applyShowLineLabelBG(XYLineAndShapeRenderer r, int idx) {
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97 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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98 return;
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99 }
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100 boolean showLabelLine = ThemeUtil.parseLabelShowBackground(theme);
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101 ((EnhancedLineAndShapeRenderer)r).setShowLineLabelBG(idx, showLabelLine);
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102 }
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103
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104 /** Tell the renderer which font (and -size and -style) to use for
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105 * linelabels. */
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106 protected void applyLineLabelFont(XYLineAndShapeRenderer r, int idx) {
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107 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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108 return;
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109 }
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110 ((EnhancedLineAndShapeRenderer)r).setLineLabelFont(
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111 ThemeUtil.parseTextFont(theme), idx);
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112 }
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113
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114 /** Tell the renderer which color to use for
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115 * linelabels. */
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116 protected void applyLineLabelColor(XYLineAndShapeRenderer r, int idx) {
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117 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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118 return;
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119 }
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120 ((EnhancedLineAndShapeRenderer)r).setLineLabelTextColor(
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121 idx, ThemeUtil.parseTextColor(theme));
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122 }
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123
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124 /** Tell the renderer which color to use for bg of
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125 * linelabels. */
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126 protected void applyLineLabelBGColor(XYLineAndShapeRenderer r, int idx) {
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127 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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128 return;
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129 }
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130 ((EnhancedLineAndShapeRenderer)r).setLineLabelBGColor(idx,
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131 ThemeUtil.parseTextBackground(theme));
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132 }
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133
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134 /** Set stroke of series. */
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135 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
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136 int size = ThemeUtil.parseLineWidth(theme);
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137 r.setSeriesStroke(
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138 idx,
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139 new BasicStroke(size));
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140 }
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141
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142
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143 /** Set stroke strength of series. */
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144 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
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145 int size = ThemeUtil.parseLineWidth(theme);
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146 float[] dashes = ThemeUtil.parseLineStyle(theme);
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147
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148 // Do not apply the dashed style.
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149 if (dashes.length <= 1) {
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150 return;
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151 }
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152
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153 r.setSeriesStroke(
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154 idx,
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155 new BasicStroke(size,
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156 BasicStroke.CAP_BUTT,
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157 BasicStroke.JOIN_ROUND,
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158 1.0f,
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159 dashes,
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160 0.0f));
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161 }
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162
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163
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164 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
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165 int size = ThemeUtil.parsePointWidth(theme);
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166 int dim = 2 * size;
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167
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168 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
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169 }
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170
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171
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172 protected void applyPointColor(XYLineAndShapeRenderer r, int idx) {
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173 Color c = ThemeUtil.parsePointColor(theme);
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174
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175 if (c != null) {
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176 r.setSeriesFillPaint(idx, c);
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177 r.setUseFillPaint(true);
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178 r.setDrawOutlines(false);
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179 }
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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 * Sets form and visibility of points.
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185 */
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186 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
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187 boolean show = ThemeUtil.parseShowPoints(theme);
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188
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189 r.setSeriesShapesVisible(idx, show);
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190 r.setDrawOutlines(true);
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191 }
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192
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193
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194 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
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195 boolean show = ThemeUtil.parseShowLine(theme);
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196 r.setSeriesLinesVisible(idx, show);
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197 }
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198
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199
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200 protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) {
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201 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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202 return;
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203 }
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204
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205 boolean visible = ThemeUtil.parseShowMinimum(theme);
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206
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207 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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208 er.setIsMinimumShapeVisisble(idx, visible);
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209 }
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210
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211
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212 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
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213 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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214 return;
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215 }
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216
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217 boolean visible = ThemeUtil.parseShowMaximum(theme);
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218
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219 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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220 er.setIsMaximumShapeVisible(idx, visible);
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221 }
3134
5a0aef74c316 Use different stylings for real and interpolated data points.
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diff changeset
222
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223
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Christian Lins <christian.lins@intevation.de>
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224 @Override
3134
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225 public XYLineAndShapeRenderer getRenderer() {
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226 return this.renderer;
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227 }
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228 }
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229 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org