Mercurial > dive4elements > gnv-client

comparison gnv-artifacts/src/main/java/de/intevation/gnv/chart/XMLChartTheme.java @ 657:af3f56758f59

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
merged gnv-artifacts/0.5
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:13:53 +0200
parents 3d13fa281a7e
children 79401c871da4
comparison
equal deleted inserted replaced
590:5f5f273c8566 657:af3f56758f59
1 package de.intevation.gnv.chart;
2
3 import java.awt.Font;
4 import java.awt.Color;
5 import java.awt.Paint;
6 import java.awt.geom.Ellipse2D;
7 import java.lang.NumberFormatException;
8
9 import org.apache.log4j.Logger;
10
11 import org.jfree.chart.StandardChartTheme;
12 import org.jfree.chart.plot.XYPlot;
13 import org.jfree.chart.renderer.xy.AbstractXYItemRenderer;
14 import org.jfree.chart.renderer.xy.XYBarRenderer;
15 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
16 import org.jfree.ui.RectangleInsets;
17 import org.jfree.util.UnitType;
18
19
20 import org.w3c.dom.Document;
21
22 import de.intevation.artifactdatabase.Config;
23
24 /**
25 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
26 */
27 public class XMLChartTheme
28 extends StandardChartTheme
29 {
30 private static final Color DEFAULT_COLOR = Color.BLACK;
31
32 private Logger log = Logger.getLogger(XMLChartTheme.class);
33
34 protected boolean domainCrosshairVisible;
35 protected boolean rangeCrosshairVisible;
36 protected boolean renderLines;
37 protected boolean renderShapes;
38
39 protected int pointWidth;
40 protected int pointHeight;
41
42 protected Paint histogramBasePaint;
43
44
45 public XMLChartTheme(String name) {
46 super(name);
47 }
48
49
50 public void setDomainCrosshairVisible(boolean visible) {
51 this.domainCrosshairVisible = visible;
52 }
53
54
55 public boolean getDomainCrosshairVisible() {
56 return domainCrosshairVisible;
57 }
58
59
60 public boolean getRangeCrosshairVisible() {
61 return rangeCrosshairVisible;
62 }
63
64
65 public void setRangeCrosshairVisible(boolean visible) {
66 this.rangeCrosshairVisible = visible;
67 }
68
69
70 public void setHistogramBasePaint(Color c) {
71 this.histogramBasePaint = c;
72 }
73
74
75 public Paint getHistogramBasePaint() {
76 return histogramBasePaint;
77 }
78
79
80 public void applyXMLConfiguration(Document document) {
81 log.debug("create XMLChartTheme");
82
83 init(document);
84 }
85
86
87 private void init(Document document) {
88 log.debug("init XMLChartTheme parameters");
89
90 initChartParameters(document);
91 initTitleParameters(document);
92 initSubtitleParameters(document);
93 initPlotParameters(document);
94 initAxisParameters(document);
95 initLegendParameters(document);
96 initRenderer(document);
97 initHistogramColor(document);
98 }
99
100
101 private void initTitleParameters(Document document) {
102 log.debug("init title parameters.");
103
104 int size = getInt(document, "theme/title/font/size/@value");
105 String type = getString(document, "theme/title/font/type/@value");
106 boolean bold = getBool(document, "theme/title/font/bold/@value");
107
108 setExtraLargeFont(createFont(type, size, bold));
109
110 String color = getString(document, "theme/title/font/color/@value");
111 Color c = decodeColor(color);
112 if (c != null)
113 setTitlePaint(c);
114 }
115
116
117 private void initSubtitleParameters(Document document) {
118 log.debug("init title parameters.");
119
120 int size = getInt(document, "theme/subtitle/font/size/@value");
121 String type = getString(document, "theme/subtitle/font/type/@value");
122 boolean bold = getBool(document, "theme/subtitle/font/bold/@value");
123
124 setLargeFont(createFont(type, size, bold));
125
126 String col = getString(document, "theme/subtitle/font/color/@value");
127 setSubtitlePaint(Color.decode(col));
128 }
129
130
131 private void initChartParameters(Document document) {
132 log.debug("init chart parameters.");
133
134 String bg = getString(document, "theme/chart/background/color/@value");
135 Color c = decodeColor(bg);
136 if (c != null)
137 setChartBackgroundPaint(c);
138 }
139
140
141 private void initPlotParameters(Document document) {
142 log.debug("init plot parameters.");
143
144 String tmp = null;
145 tmp = getString(document, "theme/plot/background/color/@value");
146 Color c = decodeColor(tmp);
147 if (c != null)
148 setPlotBackgroundPaint(c);
149
150 tmp = getString(document, "theme/plot/outline/color/@value");
151 c = decodeColor(tmp);
152 if (c != null)
153 setPlotOutlinePaint(c);
154
155 tmp = getString(document, "theme/plot/domaingridline/color/@value");
156 c = decodeColor(tmp);
157 if (c != null)
158 setDomainGridlinePaint(c);
159
160 tmp = getString(document, "theme/plot/rangegridline/color/@value");
161 c = decodeColor(tmp);
162 if (c != null)
163 setRangeGridlinePaint(c);
164
165 boolean rangeCrosshairVisible = getBool(
166 document, "theme/plot/rangecrosshair/visible/@value");
167 setRangeCrosshairVisible(rangeCrosshairVisible);
168
169 boolean domainCrosshairVisible = getBool(
170 document, "theme/plot/domaincrosshair/visible/@value");
171 setDomainCrosshairVisible(domainCrosshairVisible);
172
173 int top = getInt(document, "theme/plot/offset/top/@value");
174 int bottom = getInt(document, "theme/plot/offset/bottom/@value");
175 int left = getInt(document, "theme/plot/offset/left/@value");
176 int right = getInt(document, "theme/plot/offset/right/@value");
177 setAxisOffset(new RectangleInsets(
178 UnitType.RELATIVE,
179 top, left, bottom, right)
180 );
181 }
182
183
184 private void initAxisParameters(Document document) {
185 log.debug("init axis parameters.");
186
187 String tmp = null;
188 tmp = getString(document, "theme/axis/label/color/@value");
189 Color c = decodeColor(tmp);
190 if (c != null)
191 setAxisLabelPaint(c);
192
193 tmp = getString(document, "theme/axis/ticklabel/color/@value");
194 c = decodeColor(tmp);
195 if (c != null)
196 setTickLabelPaint(c);
197 }
198
199
200 private void initLegendParameters(Document document) {
201 log.debug("init legend parameters.");
202
203 String tmp = null;
204 tmp = getString(document, "theme/legend/font/color/@value");
205 Color c = decodeColor(tmp);
206 if (c != null)
207 setLegendItemPaint(c);
208
209 tmp = getString(document, "theme/legend/background/color/@value");
210 c = decodeColor(tmp);
211 if (c != null)
212 setLegendBackgroundPaint(c);
213 }
214
215
216 private void initRenderer(Document document) {
217 log.debug("init renderer parameters.");
218
219 pointWidth = getInt(document, "theme/plot/itemrenderer/width/@value");
220 log.debug("Read point width of " + pointWidth);
221 pointHeight = getInt(document, "theme/plot/itemrenderer/height/@value");
222 log.debug("Read point height of " + pointHeight);
223 renderLines = getBool(
224 document, "theme/plot/itemrenderer/renderLines/@value"
225 );
226 renderShapes = getBool(
227 document, "theme/plot/itemrenderer/renderPoints/@value"
228 );
229 }
230
231
232 private void initHistogramColor(Document document) {
233 log.debug("init histogram color");
234 String tmp = getString(document, "theme/histogram/bar/color/@value");
235 Color c = decodeColor(tmp);
236
237 if (c != null)
238 setHistogramBasePaint(c);
239 }
240
241
242 private static String getString(Document document, String xpath) {
243 return Config.getStringXPath(document, xpath);
244 }
245
246
247 private static int getInt(Document document, String xpath) {
248 String tmp = getString(document, xpath);
249
250 if (tmp != null)
251 return Integer.parseInt(tmp);
252 else
253 return 0;
254 }
255
256
257 private static boolean getBool(Document document, String xpath) {
258 String tmp = getString(document, xpath);
259
260 if (tmp != null)
261 return Boolean.parseBoolean(tmp);
262 else
263 return false;
264 }
265
266
267 protected Color decodeColor(String color) {
268 try {
269 if (color == null)
270 return null;
271
272 return Color.decode(color);
273 }
274 catch (NumberFormatException nfe) {
275 log.warn("Error while parsing color: " + color, nfe);
276 }
277
278 return null;
279 }
280
281
282 protected Font createFont(String type, int size, boolean bold) {
283 Font font = null;
284 if (bold)
285 font = new Font(type, Font.BOLD, size);
286 else
287 font = new Font(type, Font.PLAIN, size);
288
289 return font;
290 }
291
292
293 protected void applyToXYPlot(XYPlot plot) {
294 log.debug("apply theme parameter to XYPlot");
295
296 super.applyToXYPlot(plot);
297 plot.setDomainCrosshairVisible(this.domainCrosshairVisible);
298 plot.setRangeCrosshairVisible(this.rangeCrosshairVisible);
299
300 AbstractXYItemRenderer renderer = (AbstractXYItemRenderer)
301 plot.getRenderer();
302
303 if (renderer instanceof XYLineAndShapeRenderer)
304 applyToXYLineAndShapeRenderer(plot);
305
306 if (renderer instanceof XYBarRenderer)
307 applyToXYBarRenderer(plot);
308 }
309
310
311 protected void applyToXYLineAndShapeRenderer(XYPlot plot) {
312 if (plot == null)
313 return;
314
315 XYLineAndShapeRenderer renderer =
316 (XYLineAndShapeRenderer) plot.getRenderer();
317
318 Ellipse2D.Double point = new Ellipse2D.Double(
319 -(pointWidth/2), -(pointHeight/2), pointWidth, pointHeight
320 );
321
322 renderer.setSeriesShape(0, point);
323 renderer.setSeriesShapesVisible(0, renderShapes);
324 renderer.setSeriesLinesVisible(0, renderLines);
325
326 plot.setRenderer(renderer);
327 }
328
329
330 protected void applyToXYBarRenderer(XYPlot plot) {
331 if (plot == null)
332 return;
333
334 XYBarRenderer renderer = (XYBarRenderer) plot.getRenderer();
335
336 renderer.setSeriesPaint(0, histogramBasePaint);
337 }
338 }
http://dive4elements.wald.intevation.org