Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/TimeBounds.java @ 5659:47c07faf388a

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configured zoom-scale for river Rhein
author Tom Gottfried <tom@intevation.de>
date Thu, 11 Apr 2013 16:39:29 +0200
parents 2f6d4f92d628
children
rev   line source
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1 package de.intevation.flys.jfree;
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2
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3 import java.util.Date;
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4
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5 import org.jfree.chart.axis.DateAxis;
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6 import org.jfree.chart.axis.ValueAxis;
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7
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8
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9 /**
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10 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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11 */
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12 public class TimeBounds implements Bounds {
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13
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14 protected long lower;
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15 protected long upper;
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16
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17
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18 public TimeBounds(long lower, long upper) {
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19 this.lower = lower;
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20 this.upper = upper;
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21 }
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22
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23
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24 @Override
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25 public Number getLower() {
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26 return Long.valueOf(lower);
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27 }
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28
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29
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30 public Date getLowerAsDate() {
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31 return new Date(lower);
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32 }
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33
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34
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35 @Override
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36 public Number getUpper() {
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37 return Long.valueOf(upper);
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38 }
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39
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40
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41 public Date getUpperAsDate() {
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42 return new Date(upper);
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43 }
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45
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46 @Override
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47 public void applyBounds(ValueAxis axis) {
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48 DateAxis dateAxis = (DateAxis) axis;
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49
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50 dateAxis.setMinimumDate(new Date(lower));
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51 dateAxis.setMaximumDate(new Date(upper));
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52 }
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53
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54
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55 @Override
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56 public void applyBounds(ValueAxis axis, int percent) {
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57 DateAxis dateAxis = (DateAxis) axis;
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58
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59 long space = (upper - lower) / 100 * percent;
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60
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61 dateAxis.setMinimumDate(new Date(lower-space));
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62 dateAxis.setMaximumDate(new Date(upper+space));
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63 }
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65
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66 @Override
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67 public Bounds combine(Bounds bounds) {
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68 if (bounds == null) {
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69 return this;
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70 }
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71
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72 TimeBounds other = (TimeBounds) bounds;
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73
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74 long otherLower = other.getLower().longValue();
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75 long otherUpper = other.getUpper().longValue();
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76
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77 return new TimeBounds(
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78 otherLower < lower ? otherLower : lower,
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79 otherUpper > upper ? otherUpper : upper);
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80 }
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81
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82
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83 @Override
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84 public String toString() {
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85 return "TimeBounds=["+ getLowerAsDate() + " ; " + getUpperAsDate() +"]";
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86 }
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87 }
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88 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org