Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/XYStyle.java @ 2648:8aaa7f4ce06a

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Let theme define whether or not to display a (yet static) label for line). flys-artifacts/trunk@4306 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 26 Apr 2012 09:51:13 +0000
parents 991e4a5df323
children f1dcd5f94ffa
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
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44 return r;
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45 }
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46
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47
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48 /** Set line color to renderer. */
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49 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
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50 Color c = ThemeUtil.parseLineColorField(theme);
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51 r.setSeriesPaint(idx, c);
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52 }
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53
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54
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55 /** Tells the renderer whether or not to add a label to a line. */
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56 protected void applyShowLineLabel(XYLineAndShapeRenderer r, int idx) {
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57 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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58 return;
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59 }
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60 boolean showLabelLine = ThemeUtil.parseShowLineLabel(theme);
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61 ((EnhancedLineAndShapeRenderer)r).setShowLineLabel(showLabelLine, idx);
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62 }
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63
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64 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
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65 int size = ThemeUtil.parseLineWidth(theme);
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66 r.setSeriesStroke(
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67 idx,
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68 new BasicStroke(Integer.valueOf(size)));
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69 }
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70
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71
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72 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
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73 int size = ThemeUtil.parseLineWidth(theme);
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74 float[] dashes = ThemeUtil.parseLineStyle(theme);
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75
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76 // Do not apply the dashed style.
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77 if (dashes.length <= 1) {
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78 return;
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79 }
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80
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81 r.setSeriesStroke(
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82 idx,
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83 new BasicStroke(Integer.valueOf(size),
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84 BasicStroke.CAP_BUTT,
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85 BasicStroke.JOIN_ROUND,
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86 1.0f,
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87 dashes,
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88 0.0f));
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89 }
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90
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91
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92 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
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93 int size = ThemeUtil.parsePointWidth(theme);
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94 int dim = 2 * size;
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95
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96 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
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97 }
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98
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99
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100 /**
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101 * Sets form and visibility of points.
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102 */
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103 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
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104 boolean show = ThemeUtil.parseShowPoints(theme);
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105
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106 r.setSeriesShapesVisible(idx, show);
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107 r.setDrawOutlines(true);
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108 }
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109
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110
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111 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
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112 boolean show = ThemeUtil.parseShowLine(theme);
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113 r.setSeriesLinesVisible(idx, show);
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114 }
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115
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116
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117 protected void applyShowMinimum(XYLineAndShapeRenderer r, 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
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122 boolean visible = ThemeUtil.parseShowMinimum(theme);
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123
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124 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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125 er.setIsMinimumShapeVisisble(idx, visible);
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126 }
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127
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128
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129 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
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130 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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131 return;
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132 }
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133
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134 boolean visible = ThemeUtil.parseShowMaximum(theme);
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135
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136 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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137 er.setIsMaximumShapeVisible(idx, visible);
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138 }
991e4a5df323 Enabled styling in timeseries charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
139 }
991e4a5df323 Enabled styling in timeseries charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
140 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org