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11 package org.eclipse.team.internal.core.mapping;
12
13 import java.util.*;
14
15 import org.eclipse.core.resources.mapping.ResourceMapping;
16 import org.eclipse.core.resources.mapping.ResourceTraversal;
17 import org.eclipse.team.core.mapping.ISynchronizationScope;
18
19 public class ScopeChangeEvent {
20
21 private final ISynchronizationScope scope;
22 private final ResourceMapping[] originalMappings;
23 private final ResourceTraversal[] originalTraversals;
24 private boolean expanded;
25 private boolean contracted;
26
27 public ScopeChangeEvent(ISynchronizationScope scope) {
28 this.scope = scope;
29 originalMappings = scope.getMappings();
30 originalTraversals = scope.getTraversals();
31 }
32
33 public boolean hasAdditionalMappings() {
34 return scope.getMappings().length > originalMappings.length;
35 }
36
37 public ResourceTraversal[] getUncoveredTraversals(CompoundResourceTraversal traversal) {
38 CompoundResourceTraversal originals = new CompoundResourceTraversal();
39 originals.addTraversals(originalTraversals);
40 return originals.getUncoveredTraversals(traversal);
41 }
42
43 public void setExpanded(boolean expanded) {
44 this.expanded = expanded;
45 }
46
47 public boolean isExpanded() {
48 return expanded;
49 }
50
51 public void setContracted(boolean contracted) {
52 this.contracted = contracted;
53 }
54
55 public boolean isContracted() {
56 return contracted;
57 }
58
59 public ResourceMapping[] getChangedMappings() {
60 ResourceMapping[] currentMappings = scope.getMappings();
61 ResourceMapping[] changedMappings;
62 if (currentMappings.length > originalMappings.length) {
63 Set originalSet = new HashSet();
65 List result = new ArrayList();
66 for (int i = 0; i < originalMappings.length; i++) {
67 ResourceMapping mapping = originalMappings[i];
68 originalSet.add(mapping);
69 }
70 for (int i = 0; i < currentMappings.length; i++) {
71 ResourceMapping mapping = currentMappings[i];
72 if (!originalSet.contains(mapping)) {
73 result.add(mapping);
74 }
75 }
76 changedMappings = (ResourceMapping[]) result.toArray(new ResourceMapping[result.size()]);
77 } else if (isContracted()) {
78 Set finalSet = new HashSet();
80 List result = new ArrayList();
81 for (int i = 0; i < currentMappings.length; i++) {
82 ResourceMapping mapping = currentMappings[i];
83 finalSet.add(mapping);
84 }
85 for (int i = 0; i < originalMappings.length; i++) {
86 ResourceMapping mapping = originalMappings[i];
87 if (!finalSet.contains(mapping)) {
88 result.add(mapping);
89 }
90 }
91 changedMappings = (ResourceMapping[]) result.toArray(new ResourceMapping[result.size()]);
92 } else {
93 changedMappings = new ResourceMapping[0];
94 }
95 return changedMappings;
96 }
97
98 public ResourceTraversal[] getChangedTraversals(CompoundResourceTraversal refreshTraversals) {
99 ResourceTraversal[] changesTraversals;
100 if (isExpanded()) {
101 changesTraversals = getUncoveredTraversals(refreshTraversals);
102 } else if (isContracted()) {
103 CompoundResourceTraversal finalTraversals = new CompoundResourceTraversal();
104 finalTraversals.addTraversals(scope.getTraversals());
105 changesTraversals = finalTraversals.getUncoveredTraversals(originalTraversals);
106 } else {
107 changesTraversals = new ResourceTraversal[0];
108 }
109 return changesTraversals;
110 }
111
112 public boolean shouldFireChange() {
113 return isExpanded() || isContracted() || hasAdditionalMappings();
114 }
115 }
116 |
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