private VirtualFile[] getVirtualFileArray() {
ArrayList<VirtualFile> result = new ArrayList<VirtualFile>();
TreePath[] selectionPaths = myTree.getSelectionPaths();
if (selectionPaths != null) {
for (TreePath selectionPath : selectionPaths) {
AbstractTreeNode treeNode = (AbstractTreeNode) selectionPath.getLastPathComponent();
result.addAll(treeNode.getVirtualFiles());
}
}
return VfsUtil.toVirtualFileArray(result);
}
@Nullable
private File[] getFileArray() {
ArrayList<File> result = new ArrayList<File>();
TreePath[] selectionPaths = myTree.getSelectionPaths();
if (selectionPaths != null) {
for (TreePath selectionPath : selectionPaths) {
AbstractTreeNode treeNode = (AbstractTreeNode) selectionPath.getLastPathComponent();
result.addAll(treeNode.getFiles());
}
}
if (result.isEmpty()) return null;
return result.toArray(new File[result.size()]);
}
public static Object extractUserObject(DefaultMutableTreeNode node) {
Object userObject = node.getUserObject();
Object element = null;
if (userObject instanceof AbstractTreeNode) {
AbstractTreeNode descriptor = (AbstractTreeNode) userObject;
element = descriptor.getValue();
} else if (userObject instanceof NodeDescriptor) {
NodeDescriptor descriptor = (NodeDescriptor) userObject;
element = descriptor.getElement();
if (element instanceof AbstractTreeNode) {
element = ((AbstractTreeNode) element).getValue();
}
} else if (userObject != null) {
element = userObject;
}
return element;
}
@Nullable
protected final Object getParentValue() {
AbstractTreeNode parent = getParent();
return parent == null ? null : parent.getValue();
}