public void beforeChildMovement(@NotNull final PsiTreeChangeEvent event) {
final PsiElement oldParent = event.getOldParent();
final PsiElement newParent = event.getNewParent();
final PsiElement child = event.getChild();
if (newParent instanceof PsiDirectory) {
final Module module = ModuleUtil.findModuleForPsiElement(newParent);
if (module == null) return;
AbstractUrl childUrl = null;
if (child instanceof PsiFile) {
childUrl =
new PsiFileUrl(
((PsiDirectory) newParent).getVirtualFile().getUrl()
+ "/"
+ ((PsiFile) child).getName());
} else if (child instanceof PsiDirectory) {
childUrl =
new DirectoryUrl(
((PsiDirectory) newParent).getVirtualFile().getUrl()
+ "/"
+ ((PsiDirectory) child).getName(),
module.getName());
}
for (String listName : myName2FavoritesRoots.keySet()) {
final List<TreeItem<Pair<AbstractUrl, String>>> roots =
myName2FavoritesRoots.get(listName);
final AbstractUrl finalChildUrl = childUrl;
iterateTreeItems(
roots,
new Consumer<TreeItem<Pair<AbstractUrl, String>>>() {
@Override
public void consume(TreeItem<Pair<AbstractUrl, String>> item) {
final Pair<AbstractUrl, String> root = item.getData();
final Object[] path = root.first.createPath(myProject);
if (path == null || path.length < 1 || path[0] == null) {
return;
}
final Object element = path[path.length - 1];
if (element == child && finalChildUrl != null) {
item.setData(Pair.create(finalChildUrl, root.second));
} else {
if (element == oldParent) {
item.setData(
Pair.create(root.first.createUrlByElement(newParent), root.second));
}
}
}
});
}
}
}
