我有一个javaFx treeTableView组件。在其中一个列中有一个用于删除行数据的按钮。 w单击每一行显示页面其他位置的一些数据。现在，我想删除一行，自动选择其他行。最后我为糟糕的英文写作道歉。
controller.java：
@FXML
public TreeTableView<ClientDispatcherConnectionFactory> treeTableView;
@FXML
TreeTableColumn<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory> columnName;
@FXML
TreeTableColumn<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory> refreshColumn;
@FXML
TreeTableColumn<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory> deleteColumn;
private HBox hb = new HBox();
private GridPane downPane = new GridPane();
private Node updateimage = new ImageView(new Image(getClass()
.getResourceAsStream(Utils.getMessage("update"))));
private Node deleteimage = new ImageView(new Image(getClass()
.getResourceAsStream(Utils.getMessage("delete"))));
TreeItem<ClientDispatcherConnectionFactory> container = new TreeItem<ClientDispatcherConnectionFactory>();
TreeItem<ClientDispatcherConnectionFactory> selectedTree;
Stage dialog = null;
void initialize() {
columnName
.setCellValueFactory(new Callback<CellDataFeatures<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory>, ObservableValue<ClientDispatcherConnectionFactory>>() {
@SuppressWarnings({ "rawtypes", "unchecked" })
public ObservableValue<ClientDispatcherConnectionFactory> call(
CellDataFeatures<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory> features) {
return new ReadOnlyObjectWrapper(features.getValue()
.getValue());
}
});
refreshColumn
.setCellValueFactory(new Callback<CellDataFeatures<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory>, ObservableValue<ClientDispatcherConnectionFactory>>() {
@SuppressWarnings({ "rawtypes", "unchecked" })
public ObservableValue<ClientDispatcherConnectionFactory> call(
CellDataFeatures<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory> features) {
return new ReadOnlyObjectWrapper(features.getValue()
.getValue());
}
});
deleteColumn
.setCellValueFactory(new Callback<CellDataFeatures<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory>, ObservableValue<ClientDispatcherConnectionFactory>>() {
@SuppressWarnings({ "rawtypes", "unchecked" })
public ObservableValue<ClientDispatcherConnectionFactory> call(
CellDataFeatures<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory> features) {
return new ReadOnlyObjectWrapper(features.getValue()
.getValue());
}
});
createTreeList();
treeTableView.setRoot(container);
treeTableView.setShowRoot(false);
selectNodeEvent();
treeGenerate();
}
private TreeItem<ClientDispatcherConnectionFactory> createTreeList() {
for (ClientDispatcherConnectionFactory iter : clientDispatchersList) {
TreeItem<ClientDispatcherConnectionFactory> item = new TreeItem<ClientDispatcherConnectionFactory>(
iter);
container.getChildren().add(item);
}
return container;
}
private void treeGenerate() {
refreshColumn
.setCellFactory(new Callback<TreeTableColumn<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory>, TreeTableCell<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory>>() {
public TreeTableCell<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory> call(
TreeTableColumn<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory> btnCol) {
return new TreeTableCell<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory>() {
@SuppressWarnings("static-access")
public void updateItem(
final ClientDispatcherConnectionFactory item,
boolean empty) {
hb = new HBox();
updateimage = new ImageView(new Image(
getClass().getResourceAsStream(
Utils.getMessage("update"))));
Node deleteimage = new ImageView(new Image(
getClass().getResourceAsStream(
Utils.getMessage("delete"))));
updateimage
.setOnMouseClicked(new EventHandler<MouseEvent>() {
public void handle(
MouseEvent mouseEvent) {
TreeItem<ClientDispatcherConnectionFactory> dispatcher = treeTableView
.getSelectionModel()
.getSelectedItem();
dispatcher
.getValue()
.creatClientDispatcherMBean();
if (dispatcher.getValue()
.safeCheck()) {
RowEnum.clientDispatcher = dispatcher
.getValue()
.getClientDispatcher();
APane.getChildren().clear();
APane.getChildren().add(
scrollVB);
rebindChoiseBoxs();
hb.getChildren().clear();
setGraphic(null);
LOG.info("service is up");
} else {
RowEnum.clientDispatcher = null;
APane.getChildren().clear();
APane.getChildren().add(
pagenotfound);
LOG.info("service is down yet");
}
createTable();
}
});
super.updateItem(item, empty);
if (empty) {
setText(null);
setGraphic(null);
} else {
if (item != null) {
if (!(item.safeCheck())) {
selectedTree.setGraphic(serveroffline);
hb.getChildren().clear();
hb.getChildren()
.addAll(updateimage);
hb.setMargin(deleteimage,
new Insets(0, 0, 0, 9));
hb.setMargin(updateimage,
new Insets(0, 0, 0, 9));
setGraphic(hb);
} else {
selectedTree.setGraphic(server);
hb.getChildren().clear();
setGraphic(null);
}
}
}
}
};
}
});
deleteColumn
.setCellFactory(new Callback<TreeTableColumn<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory>, TreeTableCell<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory>>() {
public TreeTableCell<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory> call(
TreeTableColumn<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory> btnCol) {
return new TreeTableCell<ClientDispatcherConnectionFactory, ClientDispatcherConnectionFactory>() {
@SuppressWarnings("static-access")
public void updateItem(
final ClientDispatcherConnectionFactory item,
boolean empty) {
hb = new HBox();
Node deleteimage = new ImageView(new Image(
getClass().getResourceAsStream(
Utils.getMessage("delete"))));
deleteimage
.setOnMouseClicked(new EventHandler<MouseEvent>() {
public void handle(
MouseEvent mouseEvent) {
String message = "do you want to delete";
Stage stage = (Stage) treeTableView
.getScene().getWindow();
dialog = new MyDialog(stage,
message);
dialog.sizeToScene();
dialog.show();
}
});
noBtn.setOnAction(new EventHandler<ActionEvent>() {
public void handle(ActionEvent event) {
dialog.close();
LOG.info("service cleaning canceled");
}
});
yesBtn.setOnAction(new EventHandler<ActionEvent>() {
public void handle(ActionEvent event) {
dialog.close();
TreeItem<ClientDispatcherConnectionFactory> deleteItem = treeTableView.getSelectionModel()
.getSelectedItem();
propertiesremove(deleteItem.getValue()
.getConnectionName());
clientDispatchersList.remove(deleteItem
.getValue());
if (clientDispatchersList
.size() == 0) {
treeTableView.getRoot().getChildren()
.clear();
RowEnum.clientDispatcher = null;
createTable();
APane.getChildren().clear();
APane.getChildren().add(
pagenotfound);
selectedClientIndex = 0;
} else{
treeTableView.getSelectionModel().clearSelection();
container.getChildren().clear();
container = createTreeList();
System.out.println(container.getChildren().get(0).getValue());
treeTableView = new TreeTableView<>(container);
// treeTableView.setRoot(container);
System.out.println("deleted"
+ "");
}
}
});
super.updateItem(item, empty);
if (empty) {
setText(null);
setGraphic(null);
} else {
if (item != null) {
hb.getChildren().clear();
hb.getChildren().addAll(deleteimage);
hb.setMargin(deleteimage, new Insets(0,
0, 0, 11));
setGraphic(hb);
}
}
}
};
}
});
}
private boolean selectNodeEvent() {
treeTableView
.getSelectionModel()
.selectedItemProperty()
.addListener(
new ChangeListener<TreeItem<ClientDispatcherConnectionFactory>>() {
@Override
public void changed(
ObservableValue<? extends TreeItem<ClientDispatcherConnectionFactory>> observable,
TreeItem<ClientDispatcherConnectionFactory> oldValue,
TreeItem<ClientDispatcherConnectionFactory> newValue) {
treeGenerate();
selectedClientIndex = treeTableView
.getSelectionModel().getSelectedIndex();
if (selectedTree != null) {
selectedTree = newValue;
selectedClient = selectedTree.getValue();
// System.out.println(selectedTree);
if (selectedTree.getValue() != null) {
return;
}
if (selectedTree.getValue().safeCheck()) {
RowEnum.clientDispatcher = selectedTree
.getValue()
.getClientDispatcher();
loadLeftPage(true);
createRoutes(selectedTree.getValue()
.getMbsc());
changeMBeanBtn.setDisable(false);
LOG.info(selectedTree.getValue()
+ " was loaded");
} else {
loadLeftPage(false);
RowEnum.clientDispatcher = null;
}
createTable();
rebindChoiseBoxs();
// factory.updateItem(selectedTree, false);
}
// System.out.println(selectedTree);
// factory.updateItem(selectedTree, true);
}
});
return true;
}