Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/jfree/StyledXYSeries.java @ 2074:a026d005accd
Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
flys-artifacts/trunk@3585 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 04 Jan 2012 14:43:48 +0000 |
parents | |
children | 41037d51c8b6 |
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2073:27ada2e4243d | 2074:a026d005accd |
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1 package de.intevation.flys.jfree; | |
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 applyShowMinimum(r, idx); | |
57 applyShowMaximum(r, idx); | |
58 | |
59 return r; | |
60 } | |
61 | |
62 | |
63 /** Set line color to renderer. */ | |
64 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) { | |
65 Color c = ThemeUtil.parseLineColorField(theme); | |
66 r.setSeriesPaint(idx, c); | |
67 } | |
68 | |
69 | |
70 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) { | |
71 int size = ThemeUtil.parseLineWidth(theme); | |
72 r.setSeriesStroke( | |
73 idx, | |
74 new BasicStroke(Integer.valueOf(size))); | |
75 } | |
76 | |
77 | |
78 protected void applyLineType(XYLineAndShapeRenderer r, int idx) { | |
79 int size = ThemeUtil.parseLineWidth(theme); | |
80 float[] dashes = ThemeUtil.parseLineStyle(theme); | |
81 | |
82 // Do not apply the dashed style. | |
83 if (dashes.length <= 1) { | |
84 return; | |
85 } | |
86 | |
87 r.setSeriesStroke( | |
88 idx, | |
89 new BasicStroke(Integer.valueOf(size), | |
90 BasicStroke.CAP_BUTT, | |
91 BasicStroke.JOIN_ROUND, | |
92 1.0f, | |
93 dashes, | |
94 0.0f)); | |
95 } | |
96 | |
97 | |
98 /** | |
99 * Sets form and visibility of points. | |
100 */ | |
101 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) { | |
102 boolean show = ThemeUtil.parseShowPoints(theme); | |
103 int size = ThemeUtil.parseLineWidth(theme); | |
104 r.setSeriesShape(idx, new Ellipse2D.Double(- size, | |
105 - size, | |
106 2 * size, | |
107 2 * size)); | |
108 r.setSeriesShapesVisible(idx, show); | |
109 r.setDrawOutlines(true); | |
110 } | |
111 | |
112 | |
113 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) { | |
114 boolean show = ThemeUtil.parseShowLine(theme); | |
115 r.setSeriesLinesVisible(idx, show); | |
116 } | |
117 | |
118 | |
119 protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) { | |
120 if (!(r instanceof EnhancedLineAndShapeRenderer)) { | |
121 return; | |
122 } | |
123 | |
124 boolean visible = ThemeUtil.parseShowMinimum(theme); | |
125 | |
126 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r; | |
127 er.setIsMinimumShapeVisisble(idx, visible); | |
128 } | |
129 | |
130 | |
131 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) { | |
132 if (!(r instanceof EnhancedLineAndShapeRenderer)) { | |
133 return; | |
134 } | |
135 | |
136 boolean visible = ThemeUtil.parseShowMaximum(theme); | |
137 | |
138 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r; | |
139 er.setIsMaximumShapeVisible(idx, visible); | |
140 } | |
141 } | |
142 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |