Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/StyledXYSeries.java @ 2089:0da8874bd378

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Added initial state to map artifact to be able to advance and step back. The map artifact overrides describe() to have the complete UI information in the describe response document. flys-artifacts/trunk@3613 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Fri, 06 Jan 2012 12:02:10 +0000
parents 41037d51c8b6
children 991e4a5df323
rev   line source
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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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 import org.apache.log4j.Logger;
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8
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9 import org.w3c.dom.Document;
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10
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11 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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12 import org.jfree.data.xy.XYSeries;
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13
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14 import de.intevation.flys.utils.ThemeUtil;
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15
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16 /**
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17 * Dataseries in two dimensions with additional theme-document and further
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18 * display options.
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19 * The theme-document will later "style" the graphical representation.
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20 * The display options can be used to control the z-order and the axis of the
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21 * dataseries.
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22 */
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23 public class StyledXYSeries extends XYSeries {
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24
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25 protected Document theme;
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26
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27 private static final Logger logger = Logger.getLogger(StyledXYSeries.class);
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28
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29
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30 public StyledXYSeries(String key, Document theme) {
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31 this(key, true, theme);
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32 }
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33
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34
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35 /**
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36 * @param sorted whether or not to sort the points. Sorting will move NANs
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37 * to one extrema which can cause problems in certain
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38 * algorithms.
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39 */
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40 public StyledXYSeries(String key, boolean sorted, Document theme) {
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41 super(key, sorted);
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42 this.theme = theme;
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43 }
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44
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45
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46 /**
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47 * Applies line color, size and type attributes to renderer, also
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48 * whether to draw lines and/or points.
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49 */
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50 public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){
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51 applyLineColor(r, idx);
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52 applyLineSize(r, idx);
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53 applyLineType(r, idx);
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54 applyShowLine(r, idx);
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55 applyShowPoints(r, idx);
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56 applyPointSize(r, idx);
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57 applyShowMinimum(r, idx);
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58 applyShowMaximum(r, idx);
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59
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60 return r;
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61 }
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62
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63
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64 /** Set line color to renderer. */
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65 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
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66 Color c = ThemeUtil.parseLineColorField(theme);
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67 r.setSeriesPaint(idx, c);
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68 }
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69
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70
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71 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
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72 int size = ThemeUtil.parseLineWidth(theme);
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73 r.setSeriesStroke(
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74 idx,
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75 new BasicStroke(Integer.valueOf(size)));
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76 }
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77
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78
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79 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
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80 int size = ThemeUtil.parseLineWidth(theme);
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81 float[] dashes = ThemeUtil.parseLineStyle(theme);
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82
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83 // Do not apply the dashed style.
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84 if (dashes.length <= 1) {
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85 return;
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86 }
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87
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88 r.setSeriesStroke(
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89 idx,
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90 new BasicStroke(Integer.valueOf(size),
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91 BasicStroke.CAP_BUTT,
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92 BasicStroke.JOIN_ROUND,
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93 1.0f,
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94 dashes,
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95 0.0f));
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96 }
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97
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98
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99 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
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100 int size = ThemeUtil.parsePointWidth(theme);
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101 int dim = 2 * size;
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102
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103 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
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104 }
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105
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106
2074
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107 /**
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108 * Sets form and visibility of points.
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109 */
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110 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
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111 boolean show = ThemeUtil.parseShowPoints(theme);
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112
2074
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113 r.setSeriesShapesVisible(idx, show);
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114 r.setDrawOutlines(true);
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115 }
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116
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117
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118 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
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119 boolean show = ThemeUtil.parseShowLine(theme);
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120 r.setSeriesLinesVisible(idx, show);
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121 }
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122
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123
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124 protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) {
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125 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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126 return;
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127 }
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128
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129 boolean visible = ThemeUtil.parseShowMinimum(theme);
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130
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131 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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132 er.setIsMinimumShapeVisisble(idx, visible);
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133 }
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134
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135
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136 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
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137 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
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138 return;
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139 }
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140
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141 boolean visible = ThemeUtil.parseShowMaximum(theme);
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142
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143 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
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144 er.setIsMaximumShapeVisible(idx, visible);
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145 }
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146 }
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147 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org