Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/StyledXYSeries.java @ 2056:76eeb3b4358e

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Added an ExportSection to ChartSettings which provides attributes for chart 'width' and 'height'. flys-artifacts/trunk@3547 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 27 Dec 2011 10:12:14 +0000
parents e384d78ff78b
children 4cdd9c4896f6
rev   line source
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f7761914f745 An initial implementation to render chart series based on the XML configuration in themes.xml.
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parents:
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1 package de.intevation.flys.exports;
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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
f7761914f745 An initial implementation to render chart series based on the XML configuration in themes.xml.
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45
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e384d78ff78b Cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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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
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57 return r;
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58 }
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59
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60
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61 /** Set line color to renderer. */
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62 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
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63 Color c = ThemeUtil.parseLineColorField(theme);
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64 r.setSeriesPaint(idx, c);
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65 }
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66
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67
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68 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
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69 int size = ThemeUtil.parseLineWidth(theme);
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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 }
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74
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75
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76 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
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77 int size = ThemeUtil.parseLineWidth(theme);
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78 float[] dashes = ThemeUtil.parseLineStyle(theme);
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79
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80 // Do not apply the dashed style.
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81 if (dashes.length <= 1) {
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82 return;
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83 }
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84
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85 r.setSeriesStroke(
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86 idx,
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87 new BasicStroke(Integer.valueOf(size),
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88 BasicStroke.CAP_BUTT,
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89 BasicStroke.JOIN_ROUND,
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90 1.0f,
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91 dashes,
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92 0.0f));
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93 }
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94
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95
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e384d78ff78b Cosmetics.
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96 /**
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97 * Sets form and visibility of points.
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98 */
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99 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
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100 boolean show = ThemeUtil.parseShowPoints(theme);
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101 int size = ThemeUtil.parseLineWidth(theme);
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102 r.setSeriesShape(idx, new Ellipse2D.Double(- size,
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103 - size,
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104 2 * size,
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105 2 * size));
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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 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org