Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/shared/DoubleUtils.java @ 4198:1cdbd8a0c994

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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>
date Mon, 22 Oct 2012 13:31:25 +0200
parents 51ed89b754ae
children
rev   line source
1279
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.client.shared;
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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2
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3
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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4 public final class DoubleUtils {
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5
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6 public static final String DEFAULT_DELIM = " ";
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7
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8
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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9 private DoubleUtils() {
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10 }
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11
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12
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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13 public static Double getDouble(String value) {
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14 try {
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15 return Double.valueOf(value);
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16 }
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17 catch (NumberFormatException nfe) {
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18 // do nothing
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19 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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20
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21 return null;
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22 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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23
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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24
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25 public static double[] getMinMax(String value) {
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26 return getMinMax(value, DEFAULT_DELIM);
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27 }
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28
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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29
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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30 public static double[] getMinMax(String value, String delim) {
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31 if (value == null) {
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32 return null;
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33 }
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34
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35 String[] values = value.split(delim);
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36
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37 int len = values != null ? values.length : 0;
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38 double[] mm = new double[] { Double.MAX_VALUE, -Double.MAX_VALUE };
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39
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40 for (int i = 0; i < len; i++) {
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41 Double d = getDouble(values[i]);
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42
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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43 if (d != null) {
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44 mm[0] = mm[0] < d ? mm[0] : d;
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45 mm[1] = mm[1] > d ? mm[1] : d;
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46 }
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47 }
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48
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49 return mm[0] != Double.MAX_VALUE && mm[1] != -Double.MAX_VALUE
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50 ? mm
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51 : null;
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52 }
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ff8312688cd5 Added utility functions for double arrays.
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53
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54 /** toIndex is not inclusive, fromIndex is. */
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55 static void fill(double[] array, int fromIndex, int toIndex, double val) {
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56 for (int i = fromIndex; i < toIndex; i++) {
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57 array[i] = val;
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58 }
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59 }
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60
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61 /** @see java.util.Arrays.copyOf */
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62 public static double[] copyOf(double[] toCopy, int newLen) {
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63 double[] nArray = new double[newLen];
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64
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65 if (toCopy == null) {
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66 fill(nArray, 0, nArray.length, 0d);
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67 return nArray;
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68 }
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69
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70 int goTo = (newLen < toCopy.length)
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71 ? newLen
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51ed89b754ae FLYS client: Removed trailing whitespace.
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72 : toCopy.length;
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73
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74 for (int i = 0; i < goTo; i++) {
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75 nArray[i] = toCopy[i];
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76 }
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77 fill (nArray, goTo, nArray.length, 0d);
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78 return nArray;
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79 }
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80 }
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81 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org