Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/utils/ThemeUtil.java @ 2616:27cc95e65f18
Defined a style for WSPLGEN layers which are now modifiable.
flys-artifacts/trunk@4200 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Thu, 05 Apr 2012 07:21:58 +0000 |
| parents | 41037d51c8b6 |
| children | 8aaa7f4ce06a |
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| 2615:b0597a63fe70 | 2616:27cc95e65f18 |
|---|---|
| 3 import org.apache.log4j.Logger; | 3 import org.apache.log4j.Logger; |
| 4 | 4 |
| 5 import java.awt.Color; | 5 import java.awt.Color; |
| 6 import java.awt.Font; | 6 import java.awt.Font; |
| 7 | 7 |
| 8 import javax.xml.xpath.XPathConstants; | |
| 9 | |
| 8 import org.w3c.dom.Document; | 10 import org.w3c.dom.Document; |
| 11 import org.w3c.dom.Element; | |
| 12 import org.w3c.dom.NodeList; | |
| 9 | 13 |
| 10 import de.intevation.artifacts.common.utils.XMLUtils; | 14 import de.intevation.artifacts.common.utils.XMLUtils; |
| 11 | 15 |
| 12 import de.intevation.flys.artifacts.model.MapserverStyle; | 16 import de.intevation.flys.artifacts.model.MapserverStyle; |
| 13 import de.intevation.flys.artifacts.model.MapserverStyle.Clazz; | 17 import de.intevation.flys.artifacts.model.MapserverStyle.Clazz; |
| 18 import de.intevation.flys.artifacts.model.MapserverStyle.Expression; | |
| 14 import de.intevation.flys.artifacts.model.MapserverStyle.Style; | 19 import de.intevation.flys.artifacts.model.MapserverStyle.Style; |
| 15 import de.intevation.flys.artifacts.model.MapserverStyle.Label; | 20 import de.intevation.flys.artifacts.model.MapserverStyle.Label; |
| 16 | 21 |
| 17 | 22 |
| 18 /** | 23 /** |
| 77 public final static String XPATH_SHOW_MINIMUM = | 82 public final static String XPATH_SHOW_MINIMUM = |
| 78 "/theme/field[@name='showminimum']/@default"; | 83 "/theme/field[@name='showminimum']/@default"; |
| 79 | 84 |
| 80 public final static String XPATH_SHOW_MAXIMUM = | 85 public final static String XPATH_SHOW_MAXIMUM = |
| 81 "/theme/field[@name='showmaximum']/@default"; | 86 "/theme/field[@name='showmaximum']/@default"; |
| 87 | |
| 88 public final static String XPATH_WSPLGEN_FIELDS = | |
| 89 "/theme[@name='WSPLGEN']/field"; | |
| 82 | 90 |
| 83 | 91 |
| 84 /** Parse string to be boolean with default if empty or unrecognized. */ | 92 /** Parse string to be boolean with default if empty or unrecognized. */ |
| 85 public static boolean parseBoolean(String value, boolean defaultsTo) { | 93 public static boolean parseBoolean(String value, boolean defaultsTo) { |
| 86 if (value == null || value.length() == 0) { | 94 if (value == null || value.length() == 0) { |
| 402 public static boolean parseShowMaximum(Document theme) { | 410 public static boolean parseShowMaximum(Document theme) { |
| 403 return parseBoolean(getShowMaximum(theme), false); | 411 return parseBoolean(getShowMaximum(theme), false); |
| 404 } | 412 } |
| 405 | 413 |
| 406 | 414 |
| 415 public static String createWSPLGENStyle(Document theme) { | |
| 416 NodeList categories = (NodeList) XMLUtils.xpath( | |
| 417 theme, | |
| 418 XPATH_WSPLGEN_FIELDS, | |
| 419 XPathConstants.NODESET); | |
| 420 | |
| 421 return createWSPLGENStyle(categories).toString(); | |
| 422 } | |
| 423 | |
| 424 protected static MapserverStyle createWSPLGENStyle(NodeList categories) { | |
| 425 MapserverStyle ms = new MapserverStyle(); | |
| 426 | |
| 427 for (int i = 0, n = categories.getLength(); i < n; i++) { | |
| 428 Element cat = (Element) categories.item(i); | |
| 429 String color = cat.getAttribute("default"); | |
| 430 String name = cat.getAttribute("name"); | |
| 431 | |
| 432 String expr; | |
| 433 | |
| 434 try { | |
| 435 int length = name.length(); | |
| 436 int idx = Integer.valueOf(name.substring(length-1, length)); | |
| 437 | |
| 438 expr = createWSPLGENExpression(idx); | |
| 439 } | |
| 440 catch (NumberFormatException nfe) { | |
| 441 logger.warn("Error while parsing WSPLGEN category.", nfe); | |
| 442 continue; | |
| 443 } | |
| 444 | |
| 445 Clazz c = new Clazz(expr); | |
| 446 Style s = new Style(); | |
| 447 s.setColor(color.replace(",", "")); | |
| 448 s.setSize(5); | |
| 449 | |
| 450 c.addItem(new Expression("(" + expr + ")")); | |
| 451 c.addItem(s); | |
| 452 | |
| 453 ms.addClazz(c); | |
| 454 } | |
| 455 | |
| 456 return ms; | |
| 457 } | |
| 458 | |
| 459 | |
| 460 protected static String createWSPLGENExpression(int idx) { | |
| 461 if (idx < 5) { | |
| 462 int lower = idx - 1; | |
| 463 return "[DIFF] >= " + lower + " AND [DIFF] < " + idx; | |
| 464 } | |
| 465 else { | |
| 466 return "[DIFF] >= 4"; | |
| 467 } | |
| 468 } | |
| 469 | |
| 470 | |
| 407 public static String createMapserverStyle(Document theme) { | 471 public static String createMapserverStyle(Document theme) { |
| 408 String symbol = getSymbol(theme); | 472 String symbol = getSymbol(theme); |
| 409 String backcolor = getBackgroundColorString(theme); | 473 String backcolor = getBackgroundColorString(theme); |
| 410 String linecolor = getLineColorString(theme); | 474 String linecolor = getLineColorString(theme); |
| 411 | 475 |