@NotNull
private static String getFileFqn(final PsiFile file) {
final VirtualFile virtualFile = file.getVirtualFile();
if (virtualFile == null) {
return file.getName();
}
final Project project = file.getProject();
final LogicalRoot logicalRoot =
LogicalRootsManager.getLogicalRootsManager(project).findLogicalRoot(virtualFile);
if (logicalRoot != null) {
String logical =
FileUtil.toSystemIndependentName(
VfsUtil.virtualToIoFile(logicalRoot.getVirtualFile()).getPath());
String path =
FileUtil.toSystemIndependentName(VfsUtil.virtualToIoFile(virtualFile).getPath());
return "/" + FileUtil.getRelativePath(logical, path, '/');
}
final VirtualFile contentRoot =
ProjectRootManager.getInstance(project).getFileIndex().getContentRootForFile(virtualFile);
if (contentRoot != null) {
return "/"
+ FileUtil.getRelativePath(
VfsUtil.virtualToIoFile(contentRoot), VfsUtil.virtualToIoFile(virtualFile));
}
return virtualFile.getPath();
}
public static String getReferencePath(Project project, VirtualFile file) {
final LogicalRoot logicalRoot =
LogicalRootsManager.getLogicalRootsManager(project).findLogicalRoot(file);
if (logicalRoot != null) {
return getRelativePath(file, logicalRoot.getVirtualFile());
}
ProjectFileIndex fileIndex = ProjectRootManager.getInstance(project).getFileIndex();
VirtualFile sourceRoot = fileIndex.getSourceRootForFile(file);
if (sourceRoot != null) {
return getRelativePath(file, sourceRoot);
}
VirtualFile root = fileIndex.getContentRootForFile(file);
if (root != null) {
return getRelativePath(file, root);
}
return file.getPath();
}
public Comparable weigh(@NotNull final PsiElement element, final ProximityLocation location) {
final LogicalRoot elementRoot = findLogicalRoot(element);
final LogicalRoot contextRoot = findLogicalRoot(location.getPosition());
return elementRoot != null && contextRoot != null && elementRoot.equals(contextRoot);
}
