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1
4 package org.terracotta.dso.editors.tree;
5
6 import org.eclipse.core.resources.IFile;
7 import org.eclipse.core.resources.IFolder;
8 import org.eclipse.core.resources.IProject;
9 import org.eclipse.core.resources.IResource;
10 import org.eclipse.core.runtime.CoreException;
11
12 import com.tc.admin.common.XRootNode;
13
14 import java.util.ArrayList  ;
15 import java.util.Vector ;
16
17 import javax.swing.tree.TreeNode ;
18
19
25
26 public class ProjectFileRoot extends XRootNode implements IResourceNode {
27 private IProject m_project;
28 private String m_extension;
29 private IResource[] m_members;
30
31 public ProjectFileRoot(IProject project) {
32 this(project, null);
33 init();
34 }
35
36 public ProjectFileRoot(IProject project, String extension) {
37 super(project);
38
39 m_project = project;
40 m_extension = extension;
41
42 init();
43 }
44
45 private void init() {
46 int count = ensureMembers().length;
47
48 if(children == null) {
49 children = new Vector ();
50 }
51 children.setSize(count);
52 }
53
54 public TreeNode getChildAt(int index) {
55 if(children != null && children.elementAt(index) == null) {
56 addChildren();
57 }
58
59 return super.getChildAt(index);
60 }
61
62 private void addChildren() {
63 IResource[] members = ensureMembers();
64 IResource member;
65 ProjectNode child;
66
67 for(int i = 0; i < members.length; i++) {
68 member = members[i];
69
70 switch(member.getType()) {
71 case IResource.FOLDER: {
72 child = new ProjectFolderNode((IFolder)member, m_extension);
73 children.setElementAt(child, i);
74 child.setParent(this);
75 break;
76 }
77 case IResource.FILE: {
78 child = new ProjectFileNode((IFile)member);
79 children.setElementAt(child, i);
80 child.setParent(this);
81 break;
82 }
83 }
84 }
85 }
86
87 public String toString() {
88 return m_project.getName();
89 }
90
91 public IResource getResource() {
92 return getProject();
93 }
94
95 public IProject getProject() {
96 return m_project;
97 }
98
99 public String getExtension() {
100 return m_extension;
101 }
102
103 private IResource[] ensureMembers() {
104 if(m_members == null) {
105 m_members = internalGetMembers();
106 }
107 return m_members;
108 }
109
110 private IResource[] internalGetMembers() {
111 try {
112 IResource[] members = m_project.members();
113 IResource member;
114
115 if(m_extension != null) {
116 ArrayList <IResource> list = new ArrayList <IResource>();
117
118 for(int i = 0; i < members.length; i++) {
119 member = members[i];
120
121 if(member.getType() == IResource.FOLDER ||
122 m_extension.equals(member.getFileExtension())) {
123 list.add(member);
124 }
125 }
126 members = list.toArray(new IResource[0]);
127 }
128
129 return members;
130 } catch(CoreException ce) {
131 return new IResource[0];
132 }
133 }
134 }
135 |
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