@Override
public void show() {
super.show(tree);
if (!tree.getRootNodes().isEmpty()) {
tree.getSelectionModel().select(tree.getRootNodes().get(0), false);
}
}
private void acceptButtonClicked() {
List<Node> nodes = tree.getSelectionModel().getSelectedNodes();
if (nodes.isEmpty()) {
return;
}
Node selectedNode = nodes.get(0);
delegate.setSelectedPath(((HasStorablePath) selectedNode).getStorablePath());
hide();
}
@Inject
public SelectPathViewImpl(CoreLocalizationConstant locale, SelectPathViewImplUiBinder uiBinder) {
setTitle(locale.selectPathWindowTitle());
Widget widget = uiBinder.createAndBindUi(this);
setWidget(widget);
UniqueKeyProvider<Node> uniqueKeyProvider =
new NodeUniqueKeyProvider() {
@NotNull
@Override
public String getKey(@NotNull Node item) {
if (item instanceof HasStorablePath) {
return ((HasStorablePath) item).getStorablePath();
} else {
return String.valueOf(item.hashCode());
}
}
};
FolderNodeInterceptor interceptor = new FolderNodeInterceptor();
Set<NodeInterceptor> interceptors = new HashSet<>();
interceptors.add(interceptor);
NodeLoader loader = new NodeLoader(interceptors);
NodeStorage nodeStorage = new NodeStorage(uniqueKeyProvider);
tree = new Tree(nodeStorage, loader);
tree.setAutoSelect(true);
tree.getSelectionModel().setSelectionMode(SINGLE);
treeContainer.add(tree);
KeyboardNavigationHandler handler =
new KeyboardNavigationHandler() {
@Override
public void onEnter(NativeEvent evt) {
evt.preventDefault();
acceptButtonClicked();
}
};
handler.bind(tree);
cancelButton =
createButton(
locale.cancel(),
"select-path-cancel-button",
new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
hide();
}
});
acceptButton =
createPrimaryButton(
locale.ok(),
"select-path-ok-button",
new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
acceptButtonClicked();
}
});
addButtonToFooter(acceptButton);
addButtonToFooter(cancelButton);
}