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comparison flys-artifacts/src/main/java/de/intevation/flys/utils/ThemeUtil.java @ 3818:dc18457b1cef

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merged flys-artifacts/pre2.7-2012-03-16
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:59 +0200
parents 41037d51c8b6
children 27cc95e65f18
comparison
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2456:60ab1054069d 3818:dc18457b1cef
1 package de.intevation.flys.utils;
2
3 import org.apache.log4j.Logger;
4
5 import java.awt.Color;
6 import java.awt.Font;
7
8 import org.w3c.dom.Document;
9
10 import de.intevation.artifacts.common.utils.XMLUtils;
11
12 import de.intevation.flys.artifacts.model.MapserverStyle;
13 import de.intevation.flys.artifacts.model.MapserverStyle.Clazz;
14 import de.intevation.flys.artifacts.model.MapserverStyle.Style;
15 import de.intevation.flys.artifacts.model.MapserverStyle.Label;
16
17
18 /**
19 * Utility to deal with themes and their representations.
20 */
21 public class ThemeUtil {
22
23 private static Logger logger =
24 Logger.getLogger(ThemeUtil.class);
25
26 public final static String XPATH_FILL_COLOR =
27 "/theme/field[@name='fillcolor']/@default";
28
29 public final static String XPATH_LINE_COLOR =
30 "/theme/field[@name='linecolor']/@default";
31
32 public static final String XPATH_LINE_SIZE =
33 "/theme/field[@name='linesize']/@default";
34
35 public static final String XPATH_LINE_STYLE =
36 "/theme/field[@name='linetype']/@default";
37
38 public static final String XPATH_POINT_SIZE =
39 "/theme/field[@name='pointsize']/@default";
40
41 public final static String XPATH_SHOW_BORDER =
42 "/theme/field[@name='showborder']/@default";
43
44 public final static String XPATH_SHOW_POINTS =
45 "/theme/field[@name='showpoints']/@default";
46
47 public final static String XPATH_SHOW_LINE =
48 "/theme/field[@name='showlines']/@default";
49
50 public final static String XPATH_TRANSPARENCY =
51 "/theme/field[@name='transparent']/@default";
52
53 public final static String XPATH_TEXT_COLOR =
54 "/theme/field[@name='textcolor']/@default";
55
56 public final static String XPATH_TEXT_SIZE =
57 "/theme/field[@name='textsize']/@default";
58
59 public final static String XPATH_TEXT_FONT =
60 "/theme/field[@name='font']/@default";
61
62 public final static String XPATH_TEXT_STYLE =
63 "/theme/field[@name='textstyle']/@default";
64
65 public final static String XPATH_TEXT_ORIENTATION =
66 "/theme/field[@name='textorientation']/@default";
67
68 public final static String XPATH_TEXT_BACKGROUND =
69 "/theme/field[@name='backgroundcolor']/@default";
70
71 public final static String XPATH_SHOW_BACKGROUND =
72 "/theme/field[@name='showbackground']/@default";
73
74 public final static String XPATH_SYMBOL =
75 "/theme/field[@name='symbol']/@default";
76
77 public final static String XPATH_SHOW_MINIMUM =
78 "/theme/field[@name='showminimum']/@default";
79
80 public final static String XPATH_SHOW_MAXIMUM =
81 "/theme/field[@name='showmaximum']/@default";
82
83
84 /** Parse string to be boolean with default if empty or unrecognized. */
85 public static boolean parseBoolean(String value, boolean defaultsTo) {
86 if (value == null || value.length() == 0) {
87 return defaultsTo;
88 }
89 if (value.equals("false")) {
90 return false;
91 }
92 else if (value.equals("true")) {
93 return true;
94 }
95 else {
96 return defaultsTo;
97 }
98 }
99
100
101 public static int parseInteger(String value, int defaultsTo) {
102 if (value == null || value.length() == 0) {
103 return defaultsTo;
104 }
105
106 try {
107 return Integer.valueOf(value);
108 }
109 catch (NumberFormatException nfe) {
110 // do nothing
111 }
112
113 return defaultsTo;
114 }
115
116
117 /**
118 * Parses line width, defaulting to 0.
119 * @param theme the theme
120 */
121 public static int parseLineWidth(Document theme) {
122 String size = XMLUtils.xpathString(theme, XPATH_LINE_SIZE, null);
123 if (size == null || size.length() == 0) {
124 return 0;
125 }
126
127 try {
128 return Integer.valueOf(size);
129 }
130 catch (NumberFormatException nfe) {
131 logger.warn("Unable to set line size from string: '" + size + "'");
132 }
133 return 0;
134 }
135
136
137 public static int parsePointWidth(Document theme) {
138 String width = XMLUtils.xpathString(theme, XPATH_POINT_SIZE, null);
139
140 return parseInteger(width, 3);
141 }
142
143
144 /**
145 * Parses the line style, defaulting to '10'.
146 * @param theme The theme.
147 */
148 public static float[] parseLineStyle(Document theme) {
149 String dash = XMLUtils.xpathString(theme, XPATH_LINE_STYLE, null);
150
151 float[] def = {10};
152 if (dash == null || dash.length() == 0) {
153 return def;
154 }
155
156 String[] pattern = dash.split(",");
157 if(pattern.length == 1) {
158 return def;
159 }
160
161 try {
162 float[] dashes = new float[pattern.length];
163 for (int i = 0; i < pattern.length; i++) {
164 dashes[i] = Float.parseFloat(pattern[i]);
165 }
166 return dashes;
167 }
168 catch(NumberFormatException nfe) {
169 logger.warn("Unable to set dash from string: '" + dash + "'");
170 return def;
171 }
172 }
173
174
175 /**
176 * Parses text size, defaulting to 10.
177 * @param theme The theme.
178 */
179 public static int parseTextSize(Document theme) {
180 String size = XMLUtils.xpathString(theme, XPATH_TEXT_SIZE, null);
181 if (size == null || size.length() == 0) {
182 return 10;
183 }
184
185 try {
186 return Integer.valueOf(size);
187 }
188 catch (NumberFormatException nfe) {
189 }
190 return 10;
191 }
192
193
194 /**
195 * Parses the attribute 'showpoints', defaults to false.
196 * @param theme The theme.
197 */
198 public static boolean parseShowPoints(Document theme) {
199 String show = XMLUtils.xpathString(theme, XPATH_SHOW_POINTS, null);
200 return parseBoolean(show, false);
201 }
202
203
204 /**
205 * Parses the attribute 'showlines', defaults to true.
206 * @param theme The theme.
207 */
208 public static boolean parseShowLine(Document theme) {
209 String show = XMLUtils.xpathString(theme, XPATH_SHOW_LINE, null);
210 return parseBoolean(show, true);
211 }
212
213
214 /**
215 * Parses text color.
216 * @param theme The theme.
217 */
218 public static Color parseTextColor(Document theme) {
219 return parseRGB(getTextColorString(theme));
220 }
221
222
223 /**
224 * Parses the font.
225 * @param theme The theme.
226 */
227 public static Font parseTextFont(Document theme) {
228 String font = XMLUtils.xpathString(theme, XPATH_TEXT_FONT, null);
229 if (font == null || font.length() == 0) {
230 return null;
231 }
232
233 int size = parseTextSize(theme);
234 int style = parseTextStyle(theme);
235 Font f = new Font (font, style, size);
236 return f;
237 }
238
239
240 /**
241 * Parses the text style, defaults to 'Font.PLAIN'.
242 * @param theme The theme.
243 */
244 public static int parseTextStyle(Document theme) {
245 String style = XMLUtils.xpathString(theme, XPATH_TEXT_STYLE, null);
246 if (style == null || style.length() == 0) {
247 return Font.PLAIN;
248 }
249
250 if (style.equals("italic")) {
251 return Font.ITALIC;
252 }
253 else if (style.equals("bold")) {
254 return Font.BOLD;
255 }
256 else {
257 return Font.PLAIN;
258 }
259 }
260
261
262 /**
263 * Parses the textorientation, defaults to 'vertical'.
264 * @param theme The theme.
265 */
266 public static String parseTextOrientation(Document theme) {
267 String o = XMLUtils.xpathString(theme, XPATH_TEXT_ORIENTATION, null);
268 if (o == null || o.length() == 0) {
269 return "vertical";
270 }
271 if(o.equals("true")) {
272 return "horizontal";
273 }
274 else {
275 return "vertical";
276 }
277 }
278
279
280 /**
281 * Parses the text background color, defaults to white.
282 * @param theme The theme.
283 */
284 public static Color parseTextBackground(Document theme) {
285 String color = getBackgroundColorString(theme);
286 if (color == null || color.length() == 0) {
287 return Color.WHITE;
288 }
289 return parseRGB(color);
290 }
291
292
293 /**
294 * Parses the attribute whether to show background or not, defaults to
295 * false.
296 * @param theme The theme.
297 */
298 public static boolean parseShowTextBackground(Document theme) {
299 String show = XMLUtils.xpathString(theme, XPATH_SHOW_BACKGROUND, null);
300 return parseBoolean(show, false);
301 }
302
303
304 /**
305 * Parse a string like "103, 100, 0" and return a corresping color.
306 * @param rgbtext Color as string representation, e.g. "255,0,20".
307 * @return Color, null in case of issues.
308 */
309 public static Color parseRGB(String rgbtext) {
310 if (rgbtext == null) {
311 return null;
312 }
313 String rgb[] = rgbtext.split(",");
314 Color c = null;
315 try {
316 c = new Color(
317 Integer.valueOf(rgb[0].trim()),
318 Integer.valueOf(rgb[1].trim()),
319 Integer.valueOf(rgb[2].trim()));
320 }
321 catch (NumberFormatException nfe) {
322 c = null;
323 }
324 return c;
325 }
326
327
328 public static String getLineColorString(Document theme) {
329 return XMLUtils.xpathString(theme, XPATH_LINE_COLOR, null);
330 }
331
332 /** Get show border as string. */
333 public static String getShowBorderString(Document theme) {
334 return XMLUtils.xpathString(theme, XPATH_SHOW_BORDER, null);
335 }
336
337 /** Get fill color as string. */
338 public static String getFillColorString(Document theme) {
339 return XMLUtils.xpathString(theme, XPATH_FILL_COLOR, null);
340 }
341
342 public static String getBackgroundColorString(Document theme) {
343 return XMLUtils.xpathString(theme, XPATH_TEXT_BACKGROUND, null);
344 }
345
346
347 public static String getTextColorString(Document theme) {
348 return XMLUtils.xpathString(theme, XPATH_TEXT_COLOR, null);
349 }
350
351
352 public static String getSymbol(Document theme) {
353 return XMLUtils.xpathString(theme, XPATH_SYMBOL, null);
354 }
355
356 public static String getTransparencyString(Document theme) {
357 return XMLUtils.xpathString(theme, XPATH_TRANSPARENCY, null);
358 }
359
360
361 public static String getShowMinimum(Document theme) {
362 return XMLUtils.xpathString(theme, XPATH_SHOW_MINIMUM, null);
363 }
364
365
366 public static String getShowMaximum(Document theme) {
367 return XMLUtils.xpathString(theme, XPATH_SHOW_MAXIMUM, null);
368 }
369
370
371 /**
372 * Gets color from color field.
373 * @param theme the theme document.
374 * @return color.
375 */
376 public static Color parseFillColorField(Document theme) {
377 return parseRGB(getFillColorString(theme));
378 }
379
380 public static boolean parseShowBorder(Document theme) {
381 return parseBoolean(getShowBorderString(theme), false);
382 }
383
384 public static boolean parseTransparency(Document theme) {
385 return parseBoolean(getTransparencyString(theme), false);
386 }
387
388 /**
389 * Gets color from color field.
390 * @param theme the theme document.
391 * @return color.
392 */
393 public static Color parseLineColorField(Document theme) {
394 return parseRGB(getLineColorString(theme));
395 }
396
397
398 public static boolean parseShowMinimum(Document theme) {
399 return parseBoolean(getShowMinimum(theme), false);
400 }
401
402 public static boolean parseShowMaximum(Document theme) {
403 return parseBoolean(getShowMaximum(theme), false);
404 }
405
406
407 public static String createMapserverStyle(Document theme) {
408 String symbol = getSymbol(theme);
409 String backcolor = getBackgroundColorString(theme);
410 String linecolor = getLineColorString(theme);
411
412 int linewidth = parseLineWidth(theme);
413
414 MapserverStyle ms = new MapserverStyle();
415
416 Clazz c = new Clazz(" ");
417
418 Style s = new Style();
419 s.setOutlineColor(linecolor.replace(",", ""));
420
421 if (backcolor != null && backcolor.length() > 0) {
422 s.setColor(backcolor.replace(",", ""));
423 }
424
425 s.setSize(linewidth);
426 s.setSymbol(symbol);
427 c.addItem(s);
428
429 String textcolor = getTextColorString(theme);
430 int textsize = parseTextSize(theme);
431
432 if (textcolor != null && textcolor.length() > 0 && textsize > 0) {
433 Label l = new Label();
434 l.setColor(textcolor.replace(",", ""));
435 l.setSize(textsize);
436 c.addItem(l);
437 }
438
439 ms.addClazz(c);
440
441 return ms.toString();
442 }
443 }
444 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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