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这是我在这个伟大的社区的第一个问题。我在这个博客http://code.makery.ch/library/javafx-8-tutorial/上开始了一个Java FX教程。但我正在使用IntelliJ IDEA而不是Eclipse。该程序编译成功，但左侧的TableView和右侧的标签都看起来像禁用了（字体颜色为灰色且不是黑色，并且该表无法在鼠标悬停或点击时突出显示）。所以我的问题是：为什么我不能选择表格视图？JavaFX TableView，标签和按钮选择不起作用，看起来和表看起来被禁用
TableView, Labels and Buttons looks disabled
package com.melkojji.controller;
import com.melkojji.model.Person;
import com.melkojji.view.PersonOverviewController;
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.layout.AnchorPane;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;
import java.io.IOException;
public class Main extends Application {
private Stage primaryStage;
private BorderPane rootLayout;
private ObservableList<Person> personData = FXCollections.observableArrayList();
public Main() {
this.personData.add(new Person("Mustapha", "HUSAIN"));
this.personData.add(new Person("Mustapha", "EL KOJJI"));
}
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) {
this.primaryStage = primaryStage;
this.primaryStage.setTitle("AdressApp");
this.primaryStage.setMinWidth(615);
this.primaryStage.setMinHeight(365);
initRootLayout();
showPersonOverview();
}
public void initRootLayout() {
try {
// Load root layout from fxml file.
FXMLLoader loader = new FXMLLoader();
loader.setLocation(Main.class.getResource("../view/RootLayout.fxml"));
rootLayout = (BorderPane) loader.load();
} catch (IOException e) {
e.printStackTrace();
}
// Show the scene containing the root layout.
Scene scene = new Scene(rootLayout);
primaryStage.setScene(scene);
primaryStage.show();
}
public void showPersonOverview() {
try {
// Load person overview.
FXMLLoader loader = new FXMLLoader();
loader.setLocation(Main.class.getResource("../view/PersonOverview.fxml"));
AnchorPane personOverview = (AnchorPane) loader.load();
// Set person overview into the center of root layout.
rootLayout.setCenter(personOverview);
// Give the controller access to the main app.
PersonOverviewController controller = loader.getController();
controller.setMain(this);
} catch (IOException e) {
e.printStackTrace();
}
}
public Stage getPrimaryStage() {
return primaryStage;
}
public ObservableList<Person> getPersonData() {
return personData;
}
}
package com.melkojji.view;
import com.melkojji.controller.Main;
import com.melkojji.model.Person;
import com.melkojji.util.DateUtil;
import javafx.fxml.FXML;
import javafx.scene.control.Label;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
/**
* Created by melkojji on 1/14/2017.
*/
public class PersonOverviewController {
@FXML
private TableView<Person> personTableView;
@FXML
private TableColumn<Person, String> personFirstNameTableColumn;
@FXML
private TableColumn<Person, String> personLastNameTableColumn;
@FXML
private Label firstNameLabel;
@FXML
private Label lastNameLabel;
@FXML
private Label streetLabel;
@FXML
private Label postalCodeLabel;
@FXML
private Label cityLabel;
@FXML
private Label birthdayLabel;
// Reference to the main application.
private Main main;
/**
* The constructor.
* The constructor is called before the initialize() method.
*/
public PersonOverviewController() {
}
/**
* Initializes the controller class. This method is automatically called
* after the fxml file has been loaded.
*/
@FXML
public void initialize() {
// Initialize the person table with the two columns.
this.personFirstNameTableColumn.setCellValueFactory(cellData -> cellData.getValue().firstNameProperty());
this.personLastNameTableColumn.setCellValueFactory(cellData -> cellData.getValue().lastNameProperty());
// Clear person details.
showPersonDetails(null);
// Listen for selection changes and show the person details when changed.
personTableView.getSelectionModel().selectedItemProperty().addListener(((observable, oldValue, newValue) -> showPersonDetails(newValue)));
}
/**
* Is called by the main application to give a reference back to itself.
*
* @param main
*/
public void setMain(Main main) {
this.main = main;
// Add observable list data to the table.
this.personTableView.setItems(main.getPersonData());
}
/**
* Fills all text fields to show details about the person.
* If the specified person is null, all text fields are cleared.
*
* @param person the person or null
*/
public void showPersonDetails(Person person) {
if (person != null) {
// Fill the labels with info from the person object.
firstNameLabel.setText(person.getFirstName());
lastNameLabel.setText(person.getLastName());
streetLabel.setText(person.getStreet());
postalCodeLabel.setText(Integer.toString(person.getPostalCode()));
cityLabel.setText(person.getCity());
birthdayLabel.setText(DateUtil.format(person.getBirthday()));
// birthdayLabel.setText(...);
} else {
// Person is null, remove all the text.
firstNameLabel.setText("");
lastNameLabel.setText("");
streetLabel.setText("");
postalCodeLabel.setText("");
cityLabel.setText("");
birthdayLabel.setText("");
}
}
}
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.Menu?>
<?import javafx.scene.control.MenuBar?>
<?import javafx.scene.control.MenuItem?>
<?import javafx.scene.layout.BorderPane?>
<BorderPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="325.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1">
<top>
<MenuBar BorderPane.alignment="CENTER">
<menus>
<Menu mnemonicParsing="false" text="File">
<items>
<MenuItem mnemonicParsing="false" text="Close" />
</items>
</Menu>
<Menu mnemonicParsing="false" text="Edit">
<items>
<MenuItem mnemonicParsing="false" text="Delete" />
</items>
</Menu>
<Menu mnemonicParsing="false" text="Help">
<items>
<MenuItem mnemonicParsing="false" text="About" />
</items>
</Menu>
</menus>
</MenuBar>
</top>
</BorderPane>
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.geometry.Insets?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.ButtonBar?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.control.SplitPane?>
<?import javafx.scene.control.TableColumn?>
<?import javafx.scene.control.TableView?>
<?import javafx.scene.layout.AnchorPane?>
<?import javafx.scene.layout.ColumnConstraints?>
<?import javafx.scene.layout.GridPane?>
<?import javafx.scene.layout.RowConstraints?>
<AnchorPane disable="true" minHeight="-Infinity" minWidth="-Infinity" prefHeight="300.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.melkojji.view.PersonOverviewController">
<children>
<SplitPane dividerPositions="0.29797979797979796" prefHeight="300.0" prefWidth="600.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
<items>
<AnchorPane minHeight="-Infinity" minWidth="-Infinity" prefHeight="160.0" prefWidth="100.0">
<children>
<TableView fx:id="personTableView" editable="true" onSort="#initialize" prefHeight="298.0" prefWidth="175.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
<columns>
<TableColumn fx:id="personFirstNameTableColumn" prefWidth="75.0" text="First name" />
<TableColumn fx:id="personLastNameTableColumn" prefWidth="75.0" text="Last name" />
</columns>
<columnResizePolicy>
<TableView fx:constant="CONSTRAINED_RESIZE_POLICY" />
</columnResizePolicy>
</TableView>
</children></AnchorPane>
<AnchorPane minHeight="-Infinity" minWidth="-Infinity" prefHeight="160.0" prefWidth="100.0">
<children>
<Label layoutX="14.0" layoutY="14.0" text="Person details :" AnchorPane.leftAnchor="5.0" AnchorPane.topAnchor="5.0" />
<GridPane AnchorPane.leftAnchor="5.0" AnchorPane.rightAnchor="5.0" AnchorPane.topAnchor="30.0">
<columnConstraints>
<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 minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
<RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
<RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
<RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
<RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
</rowConstraints>
<children>
<Label text="First name" />
<Label text="Last name" GridPane.rowIndex="1" />
<Label text="Street" GridPane.rowIndex="2" />
<Label text="City" GridPane.rowIndex="3" />
<Label text="Postal code" GridPane.rowIndex="4" />
<Label text="Birthday" GridPane.rowIndex="5" />
<Label fx:id="firstNameLabel" text="Label" GridPane.columnIndex="1" />
<Label fx:id="lastNameLabel" text="Label" GridPane.columnIndex="1" GridPane.rowIndex="1" />
<Label fx:id="streetLabel" text="Label" GridPane.columnIndex="1" GridPane.rowIndex="2" />
<Label fx:id="cityLabel" text="Label" GridPane.columnIndex="1" GridPane.rowIndex="3" />
<Label fx:id="postalCodeLabel" text="Label" GridPane.columnIndex="1" GridPane.rowIndex="4" />
<Label fx:id="birthdayLabel" text="Label" GridPane.columnIndex="1" GridPane.rowIndex="5" />
</children>
</GridPane>
<ButtonBar prefHeight="40.0" prefWidth="200.0" AnchorPane.bottomAnchor="0.0" AnchorPane.rightAnchor="0.0">
<buttons>
<Button mnemonicParsing="false" text="New" />
<Button mnemonicParsing="false" text="Edit" />
<Button mnemonicParsing="false" text="Delete" />
</buttons>
<padding>
<Insets right="5.0" />
</padding>
</ButtonBar>
</children></AnchorPane>
</items>
</SplitPane>
</children>
</AnchorPane>
非常感谢！它正在使用您的解决方案。 –