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comparison flys-artifacts/src/main/java/de/intevation/flys/exports/StyledXYSeries.java @ 3814:8083f6384023

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merged flys-artifacts/pre2.6-2012-01-04
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:56 +0200
parents e384d78ff78b
children 4cdd9c4896f6
comparison
equal deleted inserted replaced
1491:2a00f4849738 3814:8083f6384023
1 package de.intevation.flys.exports;
2
3 import java.awt.BasicStroke;
4 import java.awt.Color;
5 import java.awt.geom.Ellipse2D;
6
7 import org.apache.log4j.Logger;
8
9 import org.w3c.dom.Document;
10
11 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
12 import org.jfree.data.xy.XYSeries;
13
14 import de.intevation.flys.utils.ThemeUtil;
15
16 /**
17 * Dataseries in two dimensions with additional theme-document and further
18 * display options.
19 * The theme-document will later "style" the graphical representation.
20 * The display options can be used to control the z-order and the axis of the
21 * dataseries.
22 */
23 public class StyledXYSeries extends XYSeries {
24
25 protected Document theme;
26
27 private static final Logger logger = Logger.getLogger(StyledXYSeries.class);
28
29
30 public StyledXYSeries(String key, Document theme) {
31 this(key, true, theme);
32 }
33
34
35 /**
36 * @param sorted whether or not to sort the points. Sorting will move NANs
37 * to one extrema which can cause problems in certain
38 * algorithms.
39 */
40 public StyledXYSeries(String key, boolean sorted, Document theme) {
41 super(key, sorted);
42 this.theme = theme;
43 }
44
45
46 /**
47 * Applies line color, size and type attributes to renderer, also
48 * whether to draw lines and/or points.
49 */
50 public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){
51 applyLineColor(r, idx);
52 applyLineSize(r, idx);
53 applyLineType(r, idx);
54 applyShowLine(r, idx);
55 applyShowPoints(r, idx);
56
57 return r;
58 }
59
60
61 /** Set line color to renderer. */
62 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
63 Color c = ThemeUtil.parseLineColorField(theme);
64 r.setSeriesPaint(idx, c);
65 }
66
67
68 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
69 int size = ThemeUtil.parseLineWidth(theme);
70 r.setSeriesStroke(
71 idx,
72 new BasicStroke(Integer.valueOf(size)));
73 }
74
75
76 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
77 int size = ThemeUtil.parseLineWidth(theme);
78 float[] dashes = ThemeUtil.parseLineStyle(theme);
79
80 // Do not apply the dashed style.
81 if (dashes.length <= 1) {
82 return;
83 }
84
85 r.setSeriesStroke(
86 idx,
87 new BasicStroke(Integer.valueOf(size),
88 BasicStroke.CAP_BUTT,
89 BasicStroke.JOIN_ROUND,
90 1.0f,
91 dashes,
92 0.0f));
93 }
94
95
96 /**
97 * Sets form and visibility of points.
98 */
99 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
100 boolean show = ThemeUtil.parseShowPoints(theme);
101 int size = ThemeUtil.parseLineWidth(theme);
102 r.setSeriesShape(idx, new Ellipse2D.Double(- size,
103 - size,
104 2 * size,
105 2 * size));
106 r.setSeriesShapesVisible(idx, show);
107 r.setDrawOutlines(true);
108 }
109
110
111 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
112 boolean show = ThemeUtil.parseShowLine(theme);
113 r.setSeriesLinesVisible(idx, show);
114 }
115 }
116 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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