Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/XYStyle.java @ 2321:991e4a5df323

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Enabled styling in timeseries charts. flys-artifacts/trunk@4003 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 09 Feb 2012 14:27:47 +0000
parents
children 8aaa7f4ce06a
rev   line source
2321
991e4a5df323 Enabled styling in timeseries charts.
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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 * @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 protected Document theme;
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21
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22
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23 public XYStyle(Document theme) {
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24 this.theme = theme;
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25 }
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26
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27
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28 /**
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29 * Applies line color, size and type attributes to renderer, also
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30 * whether to draw lines and/or points.
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31 */
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32 public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){
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33 applyLineColor(r, idx);
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34 applyLineSize(r, idx);
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35 applyLineType(r, idx);
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36 applyShowLine(r, idx);
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37 applyShowPoints(r, idx);
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38 applyPointSize(r, idx);
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39 applyShowMinimum(r, idx);
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40 applyShowMaximum(r, idx);
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41
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42 return r;
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43 }
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44
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45
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46 /** Set line color to renderer. */
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47 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
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48 Color c = ThemeUtil.parseLineColorField(theme);
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49 r.setSeriesPaint(idx, c);
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50 }
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51
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52
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53 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
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54 int size = ThemeUtil.parseLineWidth(theme);
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55 r.setSeriesStroke(
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56 idx,
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57 new BasicStroke(Integer.valueOf(size)));
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58 }
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59
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60
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61 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
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62 int size = ThemeUtil.parseLineWidth(theme);
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63 float[] dashes = ThemeUtil.parseLineStyle(theme);
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64
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65 // Do not apply the dashed style.
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66 if (dashes.length <= 1) {
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67 return;
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68 }
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69
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70 r.setSeriesStroke(
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71 idx,
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72 new BasicStroke(Integer.valueOf(size),
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73 BasicStroke.CAP_BUTT,
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74 BasicStroke.JOIN_ROUND,
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75 1.0f,
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76 dashes,
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77 0.0f));
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78 }
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79
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80
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81 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
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82 int size = ThemeUtil.parsePointWidth(theme);
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83 int dim = 2 * size;
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84
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85 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
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86 }
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87
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88
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89 /**
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90 * Sets form and visibility of points.
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91 */
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92 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
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93 boolean show = ThemeUtil.parseShowPoints(theme);
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94
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95 r.setSeriesShapesVisible(idx, show);
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96 r.setDrawOutlines(true);
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97 }
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98
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99
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100 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
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101 boolean show = ThemeUtil.parseShowLine(theme);
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102 r.setSeriesLinesVisible(idx, show);
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103 }
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104
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105
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106 protected void applyShowMinimum(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
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111 boolean visible = ThemeUtil.parseShowMinimum(theme);
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112
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113 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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114 er.setIsMinimumShapeVisisble(idx, visible);
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115 }
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116
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117
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118 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
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119 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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120 return;
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121 }
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122
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123 boolean visible = ThemeUtil.parseShowMaximum(theme);
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124
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125 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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126 er.setIsMaximumShapeVisible(idx, visible);
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127 }
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128 }
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129 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org