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comparison 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
comparison
equal deleted inserted replaced
2320:bb04f958b7aa 2321:991e4a5df323
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
8 import org.w3c.dom.Document;
9
10 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
11
12 import de.intevation.flys.utils.ThemeUtil;
13
14
15 /**
16 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
17 */
18 public class XYStyle implements Style {
19
20 protected Document theme;
21
22
23 public XYStyle(Document theme) {
24 this.theme = theme;
25 }
26
27
28 /**
29 * Applies line color, size and type attributes to renderer, also
30 * whether to draw lines and/or points.
31 */
32 public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){
33 applyLineColor(r, idx);
34 applyLineSize(r, idx);
35 applyLineType(r, idx);
36 applyShowLine(r, idx);
37 applyShowPoints(r, idx);
38 applyPointSize(r, idx);
39 applyShowMinimum(r, idx);
40 applyShowMaximum(r, idx);
41
42 return r;
43 }
44
45
46 /** Set line color to renderer. */
47 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
48 Color c = ThemeUtil.parseLineColorField(theme);
49 r.setSeriesPaint(idx, c);
50 }
51
52
53 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
54 int size = ThemeUtil.parseLineWidth(theme);
55 r.setSeriesStroke(
56 idx,
57 new BasicStroke(Integer.valueOf(size)));
58 }
59
60
61 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
62 int size = ThemeUtil.parseLineWidth(theme);
63 float[] dashes = ThemeUtil.parseLineStyle(theme);
64
65 // Do not apply the dashed style.
66 if (dashes.length <= 1) {
67 return;
68 }
69
70 r.setSeriesStroke(
71 idx,
72 new BasicStroke(Integer.valueOf(size),
73 BasicStroke.CAP_BUTT,
74 BasicStroke.JOIN_ROUND,
75 1.0f,
76 dashes,
77 0.0f));
78 }
79
80
81 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
82 int size = ThemeUtil.parsePointWidth(theme);
83 int dim = 2 * size;
84
85 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
86 }
87
88
89 /**
90 * Sets form and visibility of points.
91 */
92 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
93 boolean show = ThemeUtil.parseShowPoints(theme);
94
95 r.setSeriesShapesVisible(idx, show);
96 r.setDrawOutlines(true);
97 }
98
99
100 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
101 boolean show = ThemeUtil.parseShowLine(theme);
102 r.setSeriesLinesVisible(idx, show);
103 }
104
105
106 protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) {
107 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
108 return;
109 }
110
111 boolean visible = ThemeUtil.parseShowMinimum(theme);
112
113 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
114 er.setIsMinimumShapeVisisble(idx, visible);
115 }
116
117
118 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
119 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
120 return;
121 }
122
123 boolean visible = ThemeUtil.parseShowMaximum(theme);
124
125 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
126 er.setIsMaximumShapeVisible(idx, visible);
127 }
128 }
129 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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