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1 package org.antlr.works.project;
2
3 import org.antlr.xjlib.foundation.XJUtils;
4
5 import java.io.File  ;
6 import java.util.*;
7
37
38 public class ProjectExplorerLoader {
39
40 protected Map groups = new HashMap();
41 protected String sourcePath;
42 protected ProjectExplorer explorer;
43
44 public ProjectExplorerLoader(ProjectExplorer projectExplorer) {
45 this.explorer = projectExplorer;
46 }
47
48 public boolean reload() {
49 boolean reset = false;
50
51 if(sourcePath == null || !sourcePath.equals(explorer.project.getSourcePath())) {
52 groups.clear();
53 sourcePath = explorer.project.getSourcePath();
54 reset = true;
55 }
56
57 if(sourcePath == null)
58 return reset;
59
60 List filesToRemove = getAllFiles();
61
62 for (Iterator iterator = XJUtils.sortedFilesInPath(sourcePath).iterator(); iterator.hasNext();) {
63 File f = (File ) iterator.next();
64 String name = f.getName();
65
66 String type = ProjectFileItem.getFileType(name);
67 if(type.equals(ProjectFileItem.FILE_TYPE_UNKNOWN))
68 continue;
69
70 ProjectFileItem item = addFileOfType(name, type);
71
72 filesToRemove.remove(item);
74 }
75
76 for (Iterator iterator = filesToRemove.iterator(); iterator.hasNext();) {
78 ProjectFileItem fileItem = (ProjectFileItem) iterator.next();
79 explorer.project.closeFileItem(fileItem);
80 removeFileOfType(fileItem.getFileName(), fileItem.getFileType());
81 }
82
83 sortFilesInGroups();
84
85 return reset;
86 }
87
88 public void sortFilesInGroups() {
89 for (Iterator iterator = groups.keySet().iterator(); iterator.hasNext();) {
90 String name = (String ) iterator.next();
91 List files = (List)groups.get(name);
92 if(files != null && !files.isEmpty())
93 Collections.sort(files);
94 }
95 }
96
97 public ProjectFileItem addFileOfType(String name, String type) {
98 List files = getFiles(type);
99 for (Iterator iterator = files.iterator(); iterator.hasNext();) {
100 ProjectFileItem fileItem = (ProjectFileItem) iterator.next();
101 if(fileItem.getFileName().equals(name))
102 return fileItem;
103 }
104 ProjectFileItem fileItem = new ProjectFileItem(explorer.project, name);
105 files.add(fileItem);
106 return fileItem;
107 }
108
109 public void removeFileOfType(String name, String type) {
110 List files = getFiles(type);
111 for (Iterator iterator = files.iterator(); iterator.hasNext();) {
112 ProjectFileItem fileItem = (ProjectFileItem) iterator.next();
113 if(fileItem.getFileName().equals(name)) {
114 files.remove(fileItem);
115 break;
116 }
117 }
118 }
119
120 public List getGroups() {
121 List sortedGroups = new ArrayList(groups.keySet());
122 Collections.sort(sortedGroups);
123 return sortedGroups;
124 }
125
126 public List getAllFiles() {
127 List allFiles = new ArrayList();
128 for (Iterator iterator = groups.values().iterator(); iterator.hasNext();) {
129 List files = (List) iterator.next();
130 allFiles.addAll(files);
131 }
132 return allFiles;
133 }
134
135 public ProjectFileItem getFileItemForFileName(String filename) {
136 for (Iterator groupIterator = groups.values().iterator(); groupIterator.hasNext();) {
137 List files = (List) groupIterator.next();
138 for (Iterator fileIterator = files.iterator(); fileIterator.hasNext();) {
139 ProjectFileItem item = (ProjectFileItem) fileIterator.next();
140 if(item.getFileName().equals(filename))
141 return item;
142 }
143 }
144 return null;
145 }
146
147 public List getFiles(String name) {
148 List files = (List) groups.get(name);
149 if(files == null) {
150 files = new ArrayList();
151 groups.put(name, files);
152 }
153 return files;
154 }
155
156 }
157 |
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