/**
* Scans the directory structure starting at root, looking for folders that are either empty or
* contain files, adding them to the set.
*
* <p>
*
* @param children set to which nodes are added.
* @param fo file object to examine.
* @param root root of the package hierarchy.
* @param query true to query for visibility of files.
*/
private static void findVisiblePackages(
Set<Node> children, FileObject fo, FileObject root, boolean query) {
VisibilityQuery vq = VisibilityQuery.getDefault();
if (query && !vq.isVisible(fo)) {
return;
}
FileObject[] kids = fo.getChildren();
boolean hasSubfolders = false;
boolean hasFiles = false;
for (int ii = 0; ii < kids.length; ii++) {
if (!query || vq.isVisible(kids[ii])) {
if (kids[ii].isFolder()) {
findVisiblePackages(children, kids[ii], root, query);
hasSubfolders = true;
} else {
hasFiles = true;
}
}
}
if (hasFiles || !hasSubfolders) {
DataFolder df = DataFolder.findFolder(fo);
PackageNode pn = new PackageNode(root, df);
children.add(pn);
}
}
private DataFolder getFolder(String propName) {
FileObject fo = helper.resolveFileObject(evaluator.getProperty(propName));
if (fo != null) {
DataFolder df = DataFolder.findFolder(fo);
return df;
}
return null;
}
protected Node[] createNodes(Object obj) {
FileObject fo = root.getFileObject((String) obj);
if (fo != null && fo.isValid()) {
Object o = names2nodes.get(obj);
PackageNode n;
if (o == NODE_NOT_CREATED) {
n = new PackageNode(root, DataFolder.findFolder(fo), false);
} else if (o == NODE_NOT_CREATED_EMPTY) {
n = new PackageNode(root, DataFolder.findFolder(fo), true);
} else {
n = new PackageNode(root, DataFolder.findFolder(fo));
}
names2nodes.put(obj, n);
return new Node[] {n};
} else {
return new Node[0];
}
}
public Transferable paste() throws IOException {
assert this.op != DnDConstants.ACTION_NONE;
for (int ni = 0; ni < nodes.length; ni++) {
FileObject fo = srcRoot;
if (!nodes[ni].isDefaultPackage) {
String pkgName = nodes[ni].getName();
StringTokenizer tk = new StringTokenizer(pkgName, "."); // NOI18N
while (tk.hasMoreTokens()) {
String name = tk.nextToken();
FileObject tmp = fo.getFileObject(name, null);
if (tmp == null) {
tmp = fo.createFolder(name);
}
fo = tmp;
}
}
DataFolder dest = DataFolder.findFolder(fo);
DataObject[] children = nodes[ni].dataFolder.getChildren();
boolean cantDelete = false;
for (int i = 0; i < children.length; i++) {
if (children[i].getPrimaryFile().isData()
&& VisibilityQuery.getDefault().isVisible(children[i].getPrimaryFile())) {
// Copy only the package level
children[i].copy(dest);
if (this.op == DnDConstants.ACTION_MOVE) {
try {
children[i].delete();
} catch (IOException ioe) {
cantDelete = true;
}
}
} else {
cantDelete = true;
}
}
if (this.op == DnDConstants.ACTION_MOVE && !cantDelete) {
try {
FileObject tmpFo = nodes[ni].dataFolder.getPrimaryFile();
FileObject originalRoot = nodes[ni].root;
assert tmpFo != null && originalRoot != null;
while (!tmpFo.equals(originalRoot)) {
if (tmpFo.getChildren().length == 0) {
FileObject tmpFoParent = tmpFo.getParent();
tmpFo.delete();
tmpFo = tmpFoParent;
} else {
break;
}
}
} catch (IOException ioe) {
// Not important
}
}
}
return ExTransferable.EMPTY;
}
@Override
public Node createLogicalView() {
try {
// Get the Text directory, creating if deleted
FileObject dir = project.getProjectDirectory();
// Get the DataObject that represents it
DataFolder textDataObject = DataFolder.findFolder(dir);
// Get its default node-we'll wrap our node around it to change the
// display name, icon, etc
Node realTextFolderNode = textDataObject.getNodeDelegate();
// This FilterNode will be our project node
return new RootNode(realTextFolderNode, project);
} catch (DataObjectNotFoundException donfe) {
Exceptions.printStackTrace(donfe);
// Fallback-the directory couldn't be created -
// read-only filesystem or something evil happened
return new AbstractNode(Children.LEAF);
}
}
public void setName(String name) {
PackageRenameHandler handler = getRenameHandler();
if (handler != null) {
handler.handleRename(this, name);
return;
}
if (isDefaultPackage) {
return;
}
String oldName = getName();
if (oldName.equals(name)) {
return;
}
if (!isValidPackageName(name)) {
DialogDisplayer.getDefault()
.notify(
new NotifyDescriptor.Message(
NbBundle.getMessage(PackageViewChildren.class, "MSG_InvalidPackageName"),
NotifyDescriptor.INFORMATION_MESSAGE));
return;
}
name = name.replace('.', '/') + '/'; // NOI18N
oldName = oldName.replace('.', '/') + '/'; // NOI18N
int i;
for (i = 0; i < oldName.length() && i < name.length(); i++) {
if (oldName.charAt(i) != name.charAt(i)) {
break;
}
}
i--;
int index = oldName.lastIndexOf('/', i); // NOI18N
String commonPrefix = index == -1 ? null : oldName.substring(0, index);
String toCreate = (index + 1 == name.length()) ? "" : name.substring(index + 1); // NOI18N
try {
FileObject commonFolder =
commonPrefix == null ? this.root : this.root.getFileObject(commonPrefix);
FileObject destination = commonFolder;
StringTokenizer dtk = new StringTokenizer(toCreate, "/"); // NOI18N
while (dtk.hasMoreTokens()) {
String pathElement = dtk.nextToken();
FileObject tmp = destination.getFileObject(pathElement);
if (tmp == null) {
tmp = destination.createFolder(pathElement);
}
destination = tmp;
}
FileObject source = this.dataFolder.getPrimaryFile();
DataFolder sourceFolder = DataFolder.findFolder(source);
DataFolder destinationFolder = DataFolder.findFolder(destination);
DataObject[] children = sourceFolder.getChildren();
for (int j = 0; j < children.length; j++) {
if (children[j].getPrimaryFile().isData()) {
children[j].move(destinationFolder);
}
}
while (!commonFolder.equals(source)) {
if (source.getChildren().length == 0) {
FileObject tmp = source;
source = source.getParent();
tmp.delete();
} else {
break;
}
}
} catch (IOException ioe) {
ErrorManager.getDefault().notify(ioe);
}
}
