Mercurial > dive4elements > river
comparison gwt-client/src/main/java/org/dive4elements/river/client/client/ui/sinfo/WaterlevelSoundingYearFilter.java @ 9227:84397da33d17
Allow to control specific behaviour in TwinDatacagePanel
Implemented client logic of 'intelligent datacage filtering' for SINFO
| author | gernotbelger |
|---|---|
| date | Wed, 04 Jul 2018 18:28:08 +0200 |
| parents | |
| children | 082e8e808902 |
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| 9226:83aee0942eae | 9227:84397da33d17 |
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| 1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde | |
| 2 * Software engineering by | |
| 3 * Björnsen Beratende Ingenieure GmbH | |
| 4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt | |
| 5 * | |
| 6 * This file is Free Software under the GNU AGPL (>=v3) | |
| 7 * and comes with ABSOLUTELY NO WARRANTY! Check out the | |
| 8 * documentation coming with Dive4Elements River for details. | |
| 9 */ | |
| 10 package org.dive4elements.river.client.client.ui.sinfo; | |
| 11 | |
| 12 import org.dive4elements.river.client.client.ui.DatacageWidget.DatacageFilter; | |
| 13 import org.dive4elements.river.client.shared.model.AttrList; | |
| 14 import org.dive4elements.river.client.shared.model.DataCageNode; | |
| 15 | |
| 16 /** | |
| 17 * @author Gernot Belger | |
| 18 */ | |
| 19 final class WaterlevelSoundingYearFilter implements DatacageFilter { | |
| 20 | |
| 21 private final int soundingYear; | |
| 22 | |
| 23 public WaterlevelSoundingYearFilter(final int soundingYear) { | |
| 24 this.soundingYear = soundingYear; | |
| 25 } | |
| 26 | |
| 27 @Override | |
| 28 public boolean accept(final DataCageNode node) { | |
| 29 | |
| 30 final AttrList attributes = node.getAttributes(); | |
| 31 if (attributes == null) | |
| 32 return true; | |
| 33 | |
| 34 if (!attributes.hasAttribute("factory")) | |
| 35 return true; | |
| 36 | |
| 37 final Integer waterlevelYear = getYear(attributes); | |
| 38 if (waterlevelYear == null) { | |
| 39 // should never happen, we should only show waterlevels that have a year | |
| 40 return false; | |
| 41 } | |
| 42 | |
| 43 final int diff = Math.abs(this.soundingYear - waterlevelYear); | |
| 44 | |
| 45 return diff <= getMaxYearDifference(); | |
| 46 } | |
| 47 | |
| 48 private int getMaxYearDifference() { | |
| 49 | |
| 50 if (this.soundingYear < 1918) | |
| 51 return 25; | |
| 52 | |
| 53 if (1918 <= this.soundingYear && this.soundingYear < 1958) | |
| 54 return 12; | |
| 55 | |
| 56 if (1958 <= this.soundingYear && this.soundingYear < 1998) | |
| 57 return 6; | |
| 58 | |
| 59 // > 1998 | |
| 60 return 3; | |
| 61 } | |
| 62 | |
| 63 private static Integer getYear(final AttrList attributes) { | |
| 64 | |
| 65 final String year = attributes.getValue(WaterlevelSoundingSelectionController.ATTRIBUTE_YEAR); | |
| 66 if (year == null || year.trim().isEmpty()) | |
| 67 return null; | |
| 68 | |
| 69 try { | |
| 70 return Integer.valueOf(year); | |
| 71 } | |
| 72 catch (final NumberFormatException e) { | |
| 73 e.printStackTrace(); | |
| 74 return null; | |
| 75 } | |
| 76 } | |
| 77 } |