Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/LevelOrderIndices.java @ 1113:e7efbded1367

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Summarized changes for RELEASE 1.1 gnv-artifacts/trunk@1251 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 30 Jun 2010 12:26:04 +0000
parents 22c18083225e
children f953c9a559d8
rev   line source
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.jfreechart;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import java.util.LinkedList;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 /**
780
c4156275c1e1 Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 450
diff changeset
6 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7 */
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8 public class LevelOrderIndices
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10 public interface Visitor {
815
22c18083225e Removed compiler warnings while JavaDoc generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 795
diff changeset
11
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12 Object visit(int index);
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14
815
22c18083225e Removed compiler warnings while JavaDoc generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 795
diff changeset
15
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16 protected int from;
815
22c18083225e Removed compiler warnings while JavaDoc generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 795
diff changeset
17
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 protected int to;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19
815
22c18083225e Removed compiler warnings while JavaDoc generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 795
diff changeset
20
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21 public LevelOrderIndices() {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23
815
22c18083225e Removed compiler warnings while JavaDoc generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 795
diff changeset
24
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25 public LevelOrderIndices(int to) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 this(0, to);
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28
815
22c18083225e Removed compiler warnings while JavaDoc generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 795
diff changeset
29
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30 public LevelOrderIndices(int from, int to) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31 this.from = Math.min(from, to);
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32 this.to = Math.max(from, to);
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34
815
22c18083225e Removed compiler warnings while JavaDoc generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 795
diff changeset
35
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36 public Object visit(Visitor visitor) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 LinkedList<int[]> queue = new LinkedList<int[]>();
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39 queue.add(new int [] { from, to });
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41 while (!queue.isEmpty()) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42 int [] pair = queue.remove();
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44 int mid = (pair[0] + pair[1]) >> 1;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46 Object result = visitor.visit(mid);
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48 if (result != null) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
49 return result;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
50 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
51
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52 if (mid-1 >= pair[0]) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 queue.add(new int [] { pair[0], mid-1 });
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
54 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
55
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
56 if (mid+1 <= pair[1]) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
57 pair[0] = mid+1;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
58 queue.add(pair);
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
59 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
60 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
61
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
62 return null;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
63 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
64 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
65 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org