Fokus von TextField entfernen JavaFX

Ich kann den Fokus nicht von der TextField entfernen. Aus meiner Sicht habe ich nur einen editierbaren Inhalt: Text in einem TextField. Das Problem ist, dass man als Benutzer den Fokus nie los wird (weil es sonst nichts mehr zu fokussieren gibt), sobald der Fokus auf TextField liegt. Ich möchte den Fokus von der TextField entfernen.Fokus von TextField entfernen JavaFX

public class ControllerMain implements Initializable { 
    private MainApp app; 
    private ObservableList<UserData> data = FXCollections.observableArrayList(); 
    @FXML 
    private Button btnAdd; 
    @FXML 
    public TableView<UserData> table = new TableView<>(); 
    @FXML 
    private TableColumn<UserData, String> column1; 
    @FXML 
    private TableColumn<UserData, Integer> column2; 
    @FXML 
    private TableColumn<UserData, String> column3; 
    @FXML 
    private TableColumn<UserData, String> column4; 
    @FXML 
    private TableColumn<UserData, Integer> column5; 
    @FXML 
    private TextField txtSearch; 

    public ControllerMain() { 
    } 

    public void setApp(MainApp instance) { 
     this.app = instance; 
    } 


    @Override 
    public void initialize(URL location, ResourceBundle resources) { 
     String companyName = "companyName"; 
     column1.setCellValueFactory(new PropertyValueFactory<>(companyName)); 
     String phone = "phone"; 
     column2.setCellValueFactory(new PropertyValueFactory<>(phone)); 
     String address = "address"; 
     column3.setCellValueFactory(new PropertyValueFactory<>(address)); 
     String other = "other"; 
     column4.setCellValueFactory(new PropertyValueFactory<>(other)); 
     String id = "id"; 
     column5.setCellValueFactory(new PropertyValueFactory<>(id)); 
     column5.setVisible(false); 
     initSearchFilter(); 
    } 

    private void initSearchFilter() { 
     txtSearch.textProperty().addListener(o -> { 
      if (txtSearch.textProperty().get().isEmpty()) { 
       table.setItems(data); 
       return; 
      } 
      ObservableList<UserData> tableItems = FXCollections.observableArrayList(); 
      ObservableList<TableColumn<UserData, ?>> cols = table.getColumns(); 
      for (UserData aData : data) { 
       for (TableColumn<UserData, ?> col1 : cols) { 
        String cellValue = col1.getCellData(aData).toString(); 
        cellValue = cellValue.toLowerCase(); 
        if (cellValue.contains(txtSearch.textProperty().get().toLowerCase())) { 
         tableItems.add(aData); 
         break; 
        } 
       } 
      } 
      table.setItems(tableItems); 
     }); 
    } 

    @FXML 
    private void handleOpenAddForm() throws IOException { 
     UserData userData = new UserData(); 
     app.initAddForm(); 
     getData().add(userData); 
     loadDatabaseData(); 
    } 

    @FXML 
    private void deleteHandle() { 
     try (Connection con = new DBConnect().getConnected(); 
      PreparedStatement prep = con.prepareStatement("DELETE FROM job.job WHERE job.id = ?")) { 
      UserData selectedItem = table.getSelectionModel().getSelectedItem(); 
      prep.setInt(1, selectedItem.getId()); 
      prep.execute(); 
      getData().remove(selectedItem); 
      loadDatabaseData(); 
     } catch (Exception e) { 
      System.err.println("Ошибка удаления: " + e.getMessage()); 
     } 
    } 

    @FXML 
    private void handleOpenUpdateForm() throws IOException { 
     UserData userData = table.getSelectionModel().getSelectedItem(); 
     app.initUpdateForm(userData); 
     userData.setId(userData.idProperty().getValue()); 
     userData.setCompanyName(userData.companyNameProperty().getValue()); 
     userData.setPhone(userData.phoneProperty().getValue()); 
     userData.setAddress(userData.addressProperty().getValue()); 
     userData.setOther(userData.otherProperty().getValue()); 
     loadDatabaseData(); 
    } 

    public void loadDatabaseData() { 
     try (Connection con = new DBConnect().getConnected(); 
      PreparedStatement preparedStatement = con.prepareStatement("SELECT * FROM job.job"); 
      ResultSet resultSet = preparedStatement.executeQuery()) { 
      getData().clear(); 
      while (resultSet.next()) { 
       getData().add(new UserData(
         resultSet.getInt("id"), 
         resultSet.getString("company_name"), 
         resultSet.getInt("phone"), 
         resultSet.getString("address"), 
         resultSet.getString("other") 
       )); 
       table.setItems(getData()); 
      } 

      txtSearch.setFocusTraversable(false); 
     } catch (Exception e) { 
      e.printStackTrace(); 
      System.out.println("Error on Building Data"); 
     } 
    } 

    private ObservableList<UserData> getData() { 
     return data; 
    } 


}

FXML

<BorderPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" 
     prefWidth="600.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" 
     fx:controller="com.mysoft.controller.ControllerMain"> 
<center> 
     <TableView fx:id="table" prefHeight="370.0" prefWidth="613.0" BorderPane.alignment="CENTER" 
        focusTraversable="false"> 
      <columns> 
       <TableColumn fx:id="column1" prefWidth="139.0" text="Название компании"/> 
       <TableColumn fx:id="column2" minWidth="0.0" prefWidth="85.0" text="Телефон"/> 
       <TableColumn fx:id="column3" minWidth="0.0" prefWidth="217.0" text="Адрес"/> 
       <TableColumn fx:id="column4" minWidth="0.0" prefWidth="156.0" text="Другое"/> 
       <TableColumn fx:id="column5" minWidth="0.0" prefWidth="156.0" text="ID"/> 
      </columns> 
     </TableView> 
    </center> 
    <bottom> 
     <GridPane BorderPane.alignment="CENTER"> 
      <columnConstraints> 
       <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0"/> 
       <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0"/> 
       <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0"/> 
      </columnConstraints> 
      <rowConstraints> 
       <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES"/> 
      </rowConstraints> 
      <BorderPane.margin> 
       <Insets left="30.0" right="20.0"/> 
      </BorderPane.margin> 
      <Button mnemonicParsing="false" prefHeight="25.0" prefWidth="170.0" text="Добавить" 
        focusTraversable="false" onAction="#handleOpenAddForm"/> 
      <Button mnemonicParsing="false" prefHeight="25.0" prefWidth="170.0" text="Редактировать" 
        GridPane.columnIndex="1" focusTraversable="false" onAction="#handleOpenUpdateForm"/> 
      <Button mnemonicParsing="false" prefHeight="25.0" prefWidth="170.0" text="Удалить" 
        GridPane.columnIndex="2" focusTraversable="false" onAction="#deleteHandle"/> 
     </GridPane> 
    </bottom> 
    <top> 
     <GridPane BorderPane.alignment="CENTER"> 
      <columnConstraints> 
       <ColumnConstraints halignment="CENTER" hgrow="SOMETIMES" maxWidth="268.0" minWidth="10.0" 
            prefWidth="259.0"/> 
       <ColumnConstraints halignment="CENTER" hgrow="SOMETIMES" maxWidth="357.0" minWidth="10.0" 
            prefWidth="321.0"/> 
      </columnConstraints> 
      <rowConstraints> 
       <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES"/> 
      </rowConstraints> 
      <padding> 
       <Insets left="20.0"/> 
      </padding> 
      <TextField prefHeight="25.0" prefWidth="206.0" promptText="Введите данные для поиска . . ." 
         fx:id="txtSearch" focusTraversable="false"> 
       <font> 
        <Font name="Arial Italic" size="12.0"/> 
       </font> 
      </TextField> 
     </GridPane> 
    </top> 
</BorderPane>

Quelle

2016-06-26 D.Stifler

requestFocus kann auf jedem anderen Node verwendet werden, um den Fokus von derzu entfernen,. Sicherlich kann man einen Node finden, wo der Fokus nicht schadet ...

Im folgenden Beispiel wird der Fokus in der onAction Ereignis entfernt von requestFocus auf der Wurzel Pane des Scene Aufruf:

@Override 
public void start(Stage primaryStage) { 
    TextField tf = new TextField(); 

    StackPane root = new StackPane(tf); 

    Scene scene = new Scene(root, 300, 200); 

    tf.setOnAction((ActionEvent event) -> { 
     System.out.println(tf.getText()); 
     tf.clear(); 
     root.requestFocus(); 
    }); 

    primaryStage.setScene(scene); 
    primaryStage.show(); 
}

Quelle

2016-06-26 15:04:52 fabian

Fokus von TextField entfernen JavaFX

Antwort

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