Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/LevelOrderIndices.java @ 469:62fc63d0f71d

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Added a new State in Product Verticalprofile in Timeseriespoints. Now it will be displayed the Years where measurements happened and than only the dates of the chosen Year will be fetched and displayed. gnv-artifacts/trunk@532 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Tue, 12 Jan 2010 12:42:53 +0000
parents 20a480753ff9
children c4156275c1e1
rev   line source
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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1 package de.intevation.gnv.jfreechart;
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2
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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3 import java.util.LinkedList;
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4
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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5 /**
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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6 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de)
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7 */
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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8 public class LevelOrderIndices
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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9 {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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10 public interface Visitor {
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11 Object visit(int index);
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12 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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13
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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14 protected int from;
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15 protected int to;
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16
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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17 public LevelOrderIndices() {
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18 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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19
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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20 public LevelOrderIndices(int to) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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21 this(0, to);
20a480753ff9 Render labels in vertical cross section charts.
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22 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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23
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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24 public LevelOrderIndices(int from, int to) {
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25 this.from = Math.min(from, to);
20a480753ff9 Render labels in vertical cross section charts.
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26 this.to = Math.max(from, to);
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27 }
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28
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29 public Object visit(Visitor visitor) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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30 LinkedList<int[]> queue = new LinkedList<int[]>();
20a480753ff9 Render labels in vertical cross section charts.
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31
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32 queue.add(new int [] { from, to });
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33
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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34 while (!queue.isEmpty()) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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35 int [] pair = queue.remove();
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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36
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37 int mid = (pair[0] + pair[1]) >> 1;
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38
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39 Object result = visitor.visit(mid);
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40
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41 if (result != null) {
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42 return result;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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43 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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44
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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45 if (mid-1 >= pair[0]) {
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46 queue.add(new int [] { pair[0], mid-1 });
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47 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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48
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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49 if (mid+1 <= pair[1]) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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50 pair[0] = mid+1;
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51 queue.add(pair);
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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52 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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53 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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54
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55 return null;
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56 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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57 }
20a480753ff9 Render labels in vertical cross section charts.
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58 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org