Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WQSelect.java @ 2059:522826b41ffa
Compute better step width for W/Q input.
flys-artifacts/trunk@3551 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Wed, 28 Dec 2011 08:28:13 +0000 |
| parents | 355495661a1c |
| children | 3ffb7195173f |
comparison
equal
deleted
inserted
replaced
| 2058:f97cf2e350c9 | 2059:522826b41ffa |
|---|---|
| 42 /** The default step width for Qs. */ | 42 /** The default step width for Qs. */ |
| 43 public static final String DEFAULT_STEP_Q = "50"; | 43 public static final String DEFAULT_STEP_Q = "50"; |
| 44 | 44 |
| 45 /** The default step width for Qs. */ | 45 /** The default step width for Qs. */ |
| 46 public static final String DEFAULT_STEP_W = "30"; | 46 public static final String DEFAULT_STEP_W = "30"; |
| 47 | |
| 48 /** The max number of steps for Qs and Ws. */ | |
| 49 public static final int MAX_STEPS = 30; | |
| 47 | 50 |
| 48 /** The name of the 'mode' field. */ | 51 /** The name of the 'mode' field. */ |
| 49 public static final String WQ_MODE = "wq_mode"; | 52 public static final String WQ_MODE = "wq_mode"; |
| 50 | 53 |
| 51 /** Them name fo the 'free' field. */ | 54 /** Them name fo the 'free' field. */ |
| 235 cr, new String[] {"maxQ", new Double(minmaxQ[1]).toString()}); | 238 cr, new String[] {"maxQ", new Double(minmaxQ[1]).toString()}); |
| 236 return new Element[] { maxW, maxQ }; | 239 return new Element[] { maxW, maxQ }; |
| 237 } | 240 } |
| 238 else { | 241 else { |
| 239 Element stepW = createItem( | 242 Element stepW = createItem( |
| 240 cr, new String[] {"stepW", DEFAULT_STEP_W}); | 243 cr, new String[] { |
| 244 "stepW", | |
| 245 String.valueOf(getStepsW(minmaxW[0], minmaxW[1]))}); | |
| 241 Element stepQ = createItem( | 246 Element stepQ = createItem( |
| 242 cr, new String[] {"stepQ", DEFAULT_STEP_Q}); | 247 cr, new String[] { |
| 248 "stepQ", | |
| 249 String.valueOf(getStepsW(minmaxQ[0], minmaxQ[1]))}); | |
| 243 return new Element[] { stepW, stepQ }; | 250 return new Element[] { stepW, stepQ }; |
| 244 } | 251 } |
| 252 } | |
| 253 | |
| 254 | |
| 255 protected static double getStepsW(double min, double max) { | |
| 256 double diff = min < max ? max - min : min - max; | |
| 257 double step = diff / MAX_STEPS; | |
| 258 | |
| 259 if (step < 1000) { | |
| 260 return getSteps(step, 100); | |
| 261 } | |
| 262 else if (step < 100) { | |
| 263 return getSteps(step, 10); | |
| 264 } | |
| 265 else if (step < 10) { | |
| 266 return getSteps(step, 1); | |
| 267 } | |
| 268 else { | |
| 269 return step; | |
| 270 } | |
| 271 } | |
| 272 | |
| 273 | |
| 274 protected static double getStepsQ(double min, double max) { | |
| 275 double diff = min < max ? max - min : min - max; | |
| 276 double step = diff / MAX_STEPS; | |
| 277 | |
| 278 if (step < 1000) { | |
| 279 return getSteps(step, 100); | |
| 280 } | |
| 281 else if (step < 100) { | |
| 282 return getSteps(step, 10); | |
| 283 } | |
| 284 else if (step < 10) { | |
| 285 return getSteps(step, 1); | |
| 286 } | |
| 287 else { | |
| 288 return step; | |
| 289 } | |
| 290 } | |
| 291 | |
| 292 | |
| 293 protected static double getSteps(double steps, double factor) { | |
| 294 int fac = (int) steps / 10; | |
| 295 double diff = steps - fac * 10; | |
| 296 | |
| 297 if (diff == 0) { | |
| 298 return steps; | |
| 299 } | |
| 300 | |
| 301 return 10d * (fac + 1); | |
| 245 } | 302 } |
| 246 | 303 |
| 247 | 304 |
| 248 protected Element createItem(XMLUtils.ElementCreator cr, Object obj) { | 305 protected Element createItem(XMLUtils.ElementCreator cr, Object obj) { |
| 249 Element item = ProtocolUtils.createArtNode(cr, "item", null, null); | 306 Element item = ProtocolUtils.createArtNode(cr, "item", null, null); |