Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/ValueKey.java @ 4198:1cdbd8a0c994
Added two new tables ClickableQDTable and ClickableWTable and made Ws and Qs clickable in historical discharge calculation.
The new tables define listener interfaces (clicked lower or upper icon) to listen to user clicks.
In addition to this, there is an enum ClickMode with NONE, SINGLE and RANGE options, which allows to
specifiy, which icons are displayed in the tables. NONE means no icon for user clicks, SINGLE has 1
icon, RANGE 2 icons for lower and upper.
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 22 Oct 2012 13:31:25 +0200 |
parents | 6dc847194625 |
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501
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1 package de.intevation.flys.importer; |
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2 |
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3 import java.math.BigDecimal; |
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4 |
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5 import java.util.Comparator; |
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6 |
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7 public class ValueKey |
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8 { |
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9 public static final double EPSILON = 1e-6; |
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10 |
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11 public static final Comparator<ValueKey> EPSILON_COMPARATOR = |
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12 new Comparator<ValueKey>() |
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13 { |
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14 public int compare(ValueKey x, ValueKey y) { |
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15 int cmp = ValueKey.compare(x.a, y.a); |
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16 if (cmp != 0) return cmp; |
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17 return ValueKey.compare(x.b, y.b); |
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18 } |
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19 }; |
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20 |
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21 public static int compare(BigDecimal a, BigDecimal b) { |
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22 if (a == null && b == null) return 0; |
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23 if (a != null && b == null) return +1; |
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24 if (a == null && b != null) return -1; |
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25 |
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26 double diff = a.doubleValue() - b.doubleValue(); |
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27 if (diff < -EPSILON) return -1; |
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28 return diff > EPSILON ? +1 : 0; |
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29 } |
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30 |
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31 protected BigDecimal a; |
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32 protected BigDecimal b; |
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33 |
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34 public ValueKey() { |
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35 } |
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36 |
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37 public ValueKey(BigDecimal a, BigDecimal b) { |
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38 this.a = a; |
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39 this.b = b; |
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40 } |
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41 |
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42 @Override |
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43 public int hashCode() { |
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44 return ((a != null ? a.hashCode() : 0) << 16) |
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45 | (b != null ? b.hashCode() : 0); |
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46 } |
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47 |
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48 @Override |
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49 public boolean equals(Object other) { |
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50 if (!(other instanceof ValueKey)) { |
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51 return false; |
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52 } |
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53 ValueKey o = (ValueKey)other; |
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54 return !( |
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55 (a == null && o.a != null) |
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56 || (a != null && o.a == null) |
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57 || (a != null && !a.equals(o.a)) |
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58 || (b == null && o.b != null) |
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59 || (b != null && o.b == null) |
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60 || (b != null && !b.equals(o.b))); |
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61 } |
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62 } |
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63 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |