Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/jfree/XYStyle.java @ 9555:ef5754ba5573

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Implemented legend aggregation based on type of themes. Added theme-editor style configuration for aggregated legend entries. Only configured themes get aggregated.
author gernotbelger
date Tue, 23 Oct 2018 16:26:48 +0200
parents ddcd52d239cd
children
rev   line source
5863
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
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Sascha L. Teichmann <teichmann@intevation.de>
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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Sascha L. Teichmann <teichmann@intevation.de>
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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Sascha L. Teichmann <teichmann@intevation.de>
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7 */
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Sascha L. Teichmann <teichmann@intevation.de>
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8
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9 package org.dive4elements.river.jfree;
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10
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11 import java.awt.BasicStroke;
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12 import java.awt.Color;
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13 import java.awt.Shape;
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14 import java.awt.geom.Ellipse2D;
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15
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16 import org.dive4elements.river.themes.ThemeDocument;
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gernotbelger
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17 import org.jfree.chart.LegendItem;
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18 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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19
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20 /**
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21 * Utility to apply theme-settings to a renderer.
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22 *
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23 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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24 */
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25 public final class XYStyle implements Style {
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26
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27 private final ThemeDocument theme;
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28
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29 private XYLineAndShapeRenderer renderer;
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30
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31 private final Shape shape;
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32
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33 public XYStyle(final ThemeDocument theme) {
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34 this(theme, null);
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35 }
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36
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37 public XYStyle(final ThemeDocument theme, final Shape shape) {
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38 this.theme = theme;
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39 this.shape = shape;
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40 }
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41
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42 /**
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43 * Applies line color, size and type attributes to renderer, also
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44 * whether to draw lines and/or points.
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45 */
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46 @Override
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47 public XYLineAndShapeRenderer applyTheme(final XYLineAndShapeRenderer r, final int idx) {
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48 this.renderer = r;
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49
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50 if (this.shape != null)
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51 r.setShape(this.shape);
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52
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53 if (this.theme == null)
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54 return r;
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55
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56 applyLineColor(r, idx);
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57 applyLineSize(r, idx);
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58 applyLineType(r, idx);
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59 applyShowLine(r, idx);
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60
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61 applyPointStyles(r, idx);
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62
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63 applyShowMinimum(r, idx);
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64 applyShowMaximum(r, idx);
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65
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66 // Line label styles
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67 applyShowLineLabel(r, idx);
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68 applyShowLineLabelBG(r, idx);
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69 applyLineLabelFont(r, idx);
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70 applyLineLabelColor(r, idx);
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71 applyLineLabelBGColor(r, idx);
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72
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73 // Point label styles
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74 // TODO: Currently point label are annotations and
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75 // are not drawn this way
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76 /*
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77 * applyShowPointLabelBG(r, idx);
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78 * applyLinePointFont(r, idx);
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79 * applyLinePointColor(r, idx);
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80 * applyLinePointBGColor(r, idx);
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81 */
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82
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83 return r;
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84 }
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85
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86 /** Set line color to renderer. */
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87 private void applyLineColor(final XYLineAndShapeRenderer r, final int idx) {
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88 final Color c = this.theme.parseLineColorField();
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89 if (c != null) {
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90 r.setSeriesPaint(idx, c);
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91 }
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92 }
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93
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94 /** Tells the renderer whether or not to add a label to a line. */
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95 private void applyShowLineLabel(final XYLineAndShapeRenderer r, final int idx) {
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96 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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97 return;
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98 }
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99 final boolean showLabelLine = this.theme.parseShowLineLabel();
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100 final boolean anyLabel = showLabelLine || this.theme.parseShowWidth() || this.theme.parseShowLevel() || this.theme.parseShowMiddleHeight();
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101 ((EnhancedLineAndShapeRenderer) r).setShowLineLabel(anyLabel, idx);
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102 }
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103
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104 /** Tells the renderer whether or not to fill the bg of a lines label. */
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105 private void applyShowLineLabelBG(final XYLineAndShapeRenderer r, final int idx) {
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106 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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107 return;
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108 }
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109 final boolean showLabelLine = this.theme.parseLabelShowBackground();
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110 ((EnhancedLineAndShapeRenderer) r).setShowLineLabelBG(idx, showLabelLine);
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111 }
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112
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113 /**
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114 * Tell the renderer which font (and -size and -style) to use for
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115 * linelabels.
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116 */
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117 private void applyLineLabelFont(final XYLineAndShapeRenderer r, final int idx) {
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118 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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119 return;
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120 }
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121 ((EnhancedLineAndShapeRenderer) r).setLineLabelFont(this.theme.parseTextFont(), idx);
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122 }
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123
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124 /**
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125 * Tell the renderer which color to use for
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126 * linelabels.
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127 */
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128 private void applyLineLabelColor(final XYLineAndShapeRenderer r, final int idx) {
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129 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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130 return;
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131 }
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132 ((EnhancedLineAndShapeRenderer) r).setLineLabelTextColor(idx, this.theme.parseTextColor());
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133 }
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134
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135 /**
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136 * Tell the renderer which color to use for bg of
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137 * linelabels.
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138 */
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139 private void applyLineLabelBGColor(final XYLineAndShapeRenderer r, final int idx) {
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140 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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141 return;
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142 }
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143 ((EnhancedLineAndShapeRenderer) r).setLineLabelBGColor(idx, this.theme.parseTextBackground());
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144 }
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145
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146 /** Set stroke of series. */
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147 private void applyLineSize(final XYLineAndShapeRenderer r, final int idx) {
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148 final int size = this.theme.parseLineWidth();
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149 r.setSeriesStroke(idx, new BasicStroke(size));
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150 }
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151
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152 /** Set stroke strength of series. */
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153 private void applyLineType(final XYLineAndShapeRenderer r, final int idx) {
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154 final int size = this.theme.parseLineWidth();
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155 final float[] dashes = this.theme.parseLineStyle();
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156
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157 // Do not apply the dashed style.
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158 if (dashes.length <= 1) {
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159 return;
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160 }
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161
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162 r.setSeriesStroke(idx, new BasicStroke(size, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 1.0f, dashes, 0.0f));
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163 }
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164
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165 private void applyPointStyles(final XYLineAndShapeRenderer r, final int idx) {
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166 applyPointSize(r, idx);
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167
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168 final Color c = this.theme.parsePointColor();
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169 final boolean show = this.theme.parseShowPoints();
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170 final boolean showOutline = this.theme.parseShowPointsOutline();
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171
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172 if (c != null)
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173 r.setSeriesFillPaint(idx, c);
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174 r.setUseFillPaint(c != null);
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175
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176 r.setSeriesShapesFilled(idx, show);
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177
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178 r.setSeriesOutlinePaint(idx, c);
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179 r.setDrawOutlines(showOutline);
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180 r.setUseOutlinePaint(c != null);
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181
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182 r.setSeriesShapesVisible(idx, show || showOutline);
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183 }
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184
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185 private void applyPointSize(final XYLineAndShapeRenderer r, final int idx) {
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186 final int size = this.theme.parsePointWidth();
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187 final int dim = 2 * size;
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188
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189 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
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190 }
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191
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192 private void applyShowLine(final XYLineAndShapeRenderer r, final int idx) {
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193 final boolean show = this.theme.parseShowLine();
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194 r.setSeriesLinesVisible(idx, show);
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195 }
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196
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197 private void applyShowMinimum(final XYLineAndShapeRenderer r, final int idx) {
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198 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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199 return;
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200 }
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201
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202 final boolean visible = this.theme.parseShowMinimum();
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203
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204 final EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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205 er.setIsMinimumShapeVisisble(idx, visible);
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206 }
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207
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208 private void applyShowMaximum(final XYLineAndShapeRenderer r, final int idx) {
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209 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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210 return;
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211 }
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212
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213 final boolean visible = this.theme.parseShowMaximum();
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214
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215 final EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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216 er.setIsMaximumShapeVisible(idx, visible);
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217 }
3134
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218
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219 @Override
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220 public XYLineAndShapeRenderer getRenderer() {
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221 return this.renderer;
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222 }
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223
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224 @Override
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225 public void applyAggregatedLegendTheme(final LegendItem item, final ThemeDocument legendTheme) {
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226
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227 if (this.theme == null)
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228 return;
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229
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230 if (this.shape != null)
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231 item.setShape(this.shape);
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232
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233 final Color lineColor = legendTheme.parseLineColorField();
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234 if (lineColor != null)
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235 item.setLinePaint(lineColor);
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236
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237 if (legendTheme.getValue(ThemeDocument.SHOW_LINE) != null)
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238 item.setLineVisible(legendTheme.parseShowLine());
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239
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240 /* remark cant set line stroke on legend item */
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241 // applyLineSize(r, idx);
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242 // applyLineType(r, idx);
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243
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244 /*
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245 * REMARK: we only change the colors, as visibility and such are interdependend and should be the same as the original
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246 * items
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247 */
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248 final Color c = legendTheme.parsePointColor();
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249 if (c != null) {
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250 item.setFillPaint(c);
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251 item.setOutlinePaint(c);
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252 }
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253 }
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254 }
http://dive4elements.wald.intevation.org