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1   /*
2    * ObjectLab, http://www.objectlab.co.uk/open is supporting JTreeMap.
3    * 
4    * Based in London, we are world leaders in the design and development 
5    * of bespoke applications for the securities financing markets.
6    * 
7    * <a href="http://www.objectlab.co.uk/open">Click here to learn more</a>
8    *           ___  _     _           _   _          _
9    *          / _ \| |__ (_) ___  ___| |_| |    __ _| |__
10   *         | | | | '_ \| |/ _ \/ __| __| |   / _` | '_ \
11   *         | |_| | |_) | |  __/ (__| |_| |__| (_| | |_) |
12   *          \___/|_.__// |\___|\___|\__|_____\__,_|_.__/
13   *                   |__/
14   *
15   *                     www.ObjectLab.co.uk
16   *
17   * $Id: SplitBySortedWeight.java 74 2006-10-24 22:19:05Z benoitx $
18   * 
19   * Copyright 2006 the original author or authors.
20   *
21   * Licensed under the Apache License, Version 2.0 (the "License"); you may not
22   * use this file except in compliance with the License. You may obtain a copy of
23   * the License at
24   *
25   * http://www.apache.org/licenses/LICENSE-2.0
26   *
27   * Unless required by applicable law or agreed to in writing, software
28   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
29   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
30   * License for the specific language governing permissions and limitations under
31   * the License.
32   */
33  package net.sf.jtreemap.swing;
34  
35  import java.util.Vector;
36  
37  /**
38   * Strategy who split the elements in 2 groups of equivalent weight.
39   * <p>
40   * The elements are first sorted by descending weight. Then they are splitted in
41   * 2 groups of equivalent weight.
42   * <p>
43   * The heaviest elements are on the top left of the JTreeMap. The lightest
44   * elements are on the bottom right of the JTreeMap
45   * 
46   * @author Laurent Dutheil
47   */
48  
49  public class SplitBySortedWeight extends SplitStrategy {
50  
51      /**
52       * 
53       */
54      private static final long serialVersionUID = 1600419780258843122L;
55  
56      @Override
57      public void splitElements(final Vector<TreeMapNode> v, final Vector<TreeMapNode> v1, final Vector<TreeMapNode> v2) {
58          final Vector<TreeMapNode> vClone = new Vector<TreeMapNode>(v);
59          final double sumWeight = sumWeight(v);
60  
61          sortVector(vClone);
62  
63          workOutWeight(v1, v2, vClone, sumWeight);
64      }
65  }
66  /*
67   *                 ObjectLab is supporing JTreeMap
68   * 
69   * Based in London, we are world leaders in the design and development 
70   * of bespoke applications for the securities financing markets.
71   * 
72   * <a href="http://www.objectlab.co.uk/open">Click here to learn more about us</a>
73   *           ___  _     _           _   _          _
74   *          / _ \| |__ (_) ___  ___| |_| |    __ _| |__
75   *         | | | | '_ \| |/ _ \/ __| __| |   / _` | '_ \
76   *         | |_| | |_) | |  __/ (__| |_| |__| (_| | |_) |
77   *          \___/|_.__// |\___|\___|\__|_____\__,_|_.__/
78   *                   |__/
79   *
80   *                     www.ObjectLab.co.uk
81   */