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1
13 package com.tonbeller.jpivot.test.olap;
14
15 import java.util.ArrayList  ;
16 import java.util.Iterator ;
17 import java.util.List ;
18
19 import com.tonbeller.jpivot.olap.model.Member;
20 import com.tonbeller.jpivot.olap.model.Position;
21 import com.tonbeller.jpivot.olap.model.impl.PositionSpan;
22 import com.tonbeller.jpivot.olap.navi.DrillExpandPosition;
23
24
29 public class TestDrillExpandPosition extends TestExtensionSupport implements DrillExpandPosition {
30
31 public boolean canExpand(Position position, Member member) {
32 return canExpand((TestPosition)position, (TestMember)member);
33 }
34
35 public boolean canCollapse(Position position, Member member) {
36 return canCollapse((TestPosition)position, (TestMember)member);
37 }
38
39 public void expand(Position position, Member member) {
40 expand((TestPosition)position, (TestMember)member);
41 fireModelChanged();
42 }
43
44 public void collapse(Position position, Member member) {
45 collapse((TestPosition)position, (TestMember)member);
46 fireModelChanged();
47 }
48
49
50 void expand(TestPosition position, TestMember member) {
51 List childPositions = new ArrayList ();
52 TestAxis axis = position.getAxis();
53 int memberIndex = position.indexOf(member);
54
55 PositionSpan ps = new PositionSpan(axis, position, member);
56 List span = axis.getPositions().subList(ps.getStartIndex(), ps.getEndIndex());
57 for (Iterator mi = member.getChildMember().iterator(); mi.hasNext();) {
58 TestMember child = (TestMember) mi.next();
59 for (Iterator pi = span.iterator(); pi.hasNext();) {
60 Member[] members = ((Position)pi.next()).getMembers();
61 members = (Member[])members.clone();
62 TestPosition p = new TestPosition(axis);
63 members[memberIndex] = child;
64 p.setMembers(members);
65 childPositions.add(p);
66 }
67 }
68 axis.getPositions().addAll(ps.getEndIndex(), childPositions);
69 }
70
71
72
73
76 void collapse(TestPosition position, TestMember member) {
77 List list = getDescendantPositions(position, member);
78 int memberIndex = position.indexOf(member);
79 for (Iterator it = list.iterator(); it.hasNext();) {
80 TestPosition p = (TestPosition)it.next();
81 ((TestMember)p.getMembers()[memberIndex]).setVisible(false);
82 }
83
84 position.getAxis().getPositions().removeAll(list);
85 }
86
87
88 boolean canExpand(TestPosition position, TestMember member) {
89 if (!member.hasChildren())
90 return false;
91 return getDescendantPositions(position, member).size() == 0;
92 }
93
94
95 boolean canCollapse(TestPosition position, TestMember member) {
96 if (!member.hasChildren())
97 return false;
98 return getDescendantPositions(position, member).size() > 0;
99 }
100
101
104 List getDescendantPositions(TestPosition position, TestMember member) {
105 TestAxis axis = position.getAxis();
106 PositionSpan ps = new PositionSpan(axis, position, member);
107 Iterator iter = axis.getPositions().listIterator(ps.getEndIndex());
108 int memberIndex = position.indexOf(member);
109 List descendantPositions = new ArrayList ();
110
111 loop:while (iter.hasNext()) {
112 Position p = (Position)iter.next();
113 TestMember candidate = (TestMember)p.getMembers()[memberIndex];
114 if (candidate.getRootDistance() <= member.getRootDistance())
115 break loop;
116 descendantPositions.add(p);
117 }
118 return descendantPositions;
119
120 }
121
122 }
123 |
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