private boolean allTargetsAreValid() {
for (UsageTarget target : myTargets) {
if (!target.isValid()) {
return false;
}
}
return true;
}
@Nullable
private UsageTarget[] getSelectedUsageTargets() {
TreePath[] selectionPaths = myTree.getSelectionPaths();
if (selectionPaths == null) return null;
Set<UsageTarget> targets = new THashSet<UsageTarget>();
for (TreePath selectionPath : selectionPaths) {
Object lastPathComponent = selectionPath.getLastPathComponent();
if (lastPathComponent instanceof UsageTargetNode) {
UsageTargetNode usageTargetNode = (UsageTargetNode) lastPathComponent;
UsageTarget target = usageTargetNode.getTarget();
if (target != null && target.isValid()) {
targets.add(target);
}
}
}
return targets.isEmpty() ? null : targets.toArray(new UsageTarget[targets.size()]);
}
@NotNull
private Set<VirtualFile> getReadOnlyUsagesFiles() {
Set<Usage> usages = getReadOnlyUsages();
Set<VirtualFile> result = new THashSet<VirtualFile>();
for (Usage usage : usages) {
if (usage instanceof UsageInFile) {
UsageInFile usageInFile = (UsageInFile) usage;
VirtualFile file = usageInFile.getFile();
if (file != null) result.add(file);
}
if (usage instanceof UsageInFiles) {
UsageInFiles usageInFiles = (UsageInFiles) usage;
ContainerUtil.addAll(result, usageInFiles.getFiles());
}
}
for (UsageTarget target : myTargets) {
VirtualFile[] files = target.getFiles();
if (files == null) continue;
ContainerUtil.addAll(result, files);
}
return result;
}