private void selectFileTreeItemForSelectedFile(final File file) {
if (updatingSelectedFiles) return;
updatingSelectedFiles = true;
try {
final FileTreeItem<?> fileTreeItem = rootFileTreeItem.findFirst(file);
if (fileTreeItem == null) {
IllegalStateException x =
new IllegalStateException("File does not have corresponding FileTreeItem: " + file);
logger.warn("selectFileTreeItemForSelectedFile: " + x, x);
} else {
TreeItem<?> ti = fileTreeItem.getParent();
while (ti != null) {
ti.setExpanded(true);
ti = ti.getParent();
}
// TODO maybe, instead of scrolling here (after each single item is selected), immediately,
// we should wait (=> Timer) and scroll to the *first* selection, later?!
treeTableView.getSelectionModel().select(fileTreeItem);
int row = treeTableView.getRow(fileTreeItem);
if (row >= 0) treeTableView.scrollTo(row);
}
} finally {
updatingSelectedFiles = false;
}
}
private void unselectTreeItemForUnselectedFile(final File file) {
if (updatingSelectedFiles) return;
updatingSelectedFiles = true;
try {
final FileTreeItem<?> fileTreeItem = rootFileTreeItem.findFirst(file);
if (fileTreeItem != null) {
final Set<TreeItem<FileTreeItem<?>>> selectedItems =
new LinkedHashSet<TreeItem<FileTreeItem<?>>>(
treeTableView.getSelectionModel().getSelectedItems());
if (selectedItems.remove(fileTreeItem)) {
treeTableView.getSelectionModel().clearSelection();
for (TreeItem<FileTreeItem<?>> treeItem : selectedItems)
treeTableView.getSelectionModel().select(treeItem);
}
}
} finally {
updatingSelectedFiles = false;
}
}