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comparison flys-artifacts/src/main/java/de/intevation/flys/jfree/StyledXYSeries.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 41037d51c8b6
children 9d2a06c3a134
comparison
equal deleted inserted replaced
2320:bb04f958b7aa 2321:991e4a5df323
1 package de.intevation.flys.jfree; 1 package de.intevation.flys.jfree;
2 2
3 import java.awt.BasicStroke;
4 import java.awt.Color;
5 import java.awt.geom.Ellipse2D;
6 3
7 import org.apache.log4j.Logger; 4 import org.apache.log4j.Logger;
8 5
9 import org.w3c.dom.Document; 6 import org.w3c.dom.Document;
10 7
11 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
12 import org.jfree.data.xy.XYSeries; 8 import org.jfree.data.xy.XYSeries;
13 9
14 import de.intevation.flys.utils.ThemeUtil;
15 10
16 /** 11 /**
17 * Dataseries in two dimensions with additional theme-document and further 12 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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 */ 13 */
23 public class StyledXYSeries extends XYSeries { 14 public class StyledXYSeries extends XYSeries implements StyledSeries {
24
25 protected Document theme;
26 15
27 private static final Logger logger = Logger.getLogger(StyledXYSeries.class); 16 private static final Logger logger = Logger.getLogger(StyledXYSeries.class);
17
18 protected Style style;
28 19
29 20
30 public StyledXYSeries(String key, Document theme) { 21 public StyledXYSeries(String key, Document theme) {
31 this(key, true, theme); 22 this(key, true, theme);
32 } 23 }
37 * to one extrema which can cause problems in certain 28 * to one extrema which can cause problems in certain
38 * algorithms. 29 * algorithms.
39 */ 30 */
40 public StyledXYSeries(String key, boolean sorted, Document theme) { 31 public StyledXYSeries(String key, boolean sorted, Document theme) {
41 super(key, sorted); 32 super(key, sorted);
42 this.theme = theme; 33 setStyle(new XYStyle(theme));
43 } 34 }
44 35
45 36
46 /** 37 @Override
47 * Applies line color, size and type attributes to renderer, also 38 public void setStyle(Style style) {
48 * whether to draw lines and/or points. 39 this.style = style;
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 applyPointSize(r, idx);
57 applyShowMinimum(r, idx);
58 applyShowMaximum(r, idx);
59
60 return r;
61 } 40 }
62 41
63 42
64 /** Set line color to renderer. */ 43 @Override
65 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) { 44 public Style getStyle() {
66 Color c = ThemeUtil.parseLineColorField(theme); 45 return style;
67 r.setSeriesPaint(idx, c);
68 }
69
70
71 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) {
72 int size = ThemeUtil.parseLineWidth(theme);
73 r.setSeriesStroke(
74 idx,
75 new BasicStroke(Integer.valueOf(size)));
76 }
77
78
79 protected void applyLineType(XYLineAndShapeRenderer r, int idx) {
80 int size = ThemeUtil.parseLineWidth(theme);
81 float[] dashes = ThemeUtil.parseLineStyle(theme);
82
83 // Do not apply the dashed style.
84 if (dashes.length <= 1) {
85 return;
86 }
87
88 r.setSeriesStroke(
89 idx,
90 new BasicStroke(Integer.valueOf(size),
91 BasicStroke.CAP_BUTT,
92 BasicStroke.JOIN_ROUND,
93 1.0f,
94 dashes,
95 0.0f));
96 }
97
98
99 protected void applyPointSize(XYLineAndShapeRenderer r, int idx) {
100 int size = ThemeUtil.parsePointWidth(theme);
101 int dim = 2 * size;
102
103 r.setSeriesShape(idx, new Ellipse2D.Double(-size, -size, dim, dim));
104 }
105
106
107 /**
108 * Sets form and visibility of points.
109 */
110 protected void applyShowPoints(XYLineAndShapeRenderer r, int idx) {
111 boolean show = ThemeUtil.parseShowPoints(theme);
112
113 r.setSeriesShapesVisible(idx, show);
114 r.setDrawOutlines(true);
115 }
116
117
118 protected void applyShowLine(XYLineAndShapeRenderer r, int idx) {
119 boolean show = ThemeUtil.parseShowLine(theme);
120 r.setSeriesLinesVisible(idx, show);
121 }
122
123
124 protected void applyShowMinimum(XYLineAndShapeRenderer r, int idx) {
125 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
126 return;
127 }
128
129 boolean visible = ThemeUtil.parseShowMinimum(theme);
130
131 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
132 er.setIsMinimumShapeVisisble(idx, visible);
133 }
134
135
136 protected void applyShowMaximum(XYLineAndShapeRenderer r, int idx) {
137 if (!(r instanceof EnhancedLineAndShapeRenderer)) {
138 return;
139 }
140
141 boolean visible = ThemeUtil.parseShowMaximum(theme);
142
143 EnhancedLineAndShapeRenderer er = (EnhancedLineAndShapeRenderer) r;
144 er.setIsMaximumShapeVisible(idx, visible);
145 } 46 }
146 } 47 }
147 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : 48 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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