行表中的Javafx表

Z时代
2024-01-10
分类：问答

我需要在有表（例如用户）的情况下使用javafx创建项目，并在每行内使用另一个表（例如用户的订单）。我希望它是可以切换的，所以我会通过点击它来扩展一行，然后内部表将会被视为可见的。一些抽签GUI〔实施例：行表中的Javafx表

回答：

这将是我猜

import java.util.ArrayList; 
import java.util.List; 
import javafx.application.Application; 
import javafx.beans.property.SimpleStringProperty; 
import javafx.collections.FXCollections; 
import javafx.collections.ObservableList; 
import javafx.geometry.Insets; 
import javafx.scene.Group; 
import javafx.scene.Node; 
import javafx.scene.Scene; 
import javafx.scene.control.Label; 
import javafx.scene.control.TableColumn; 
import javafx.scene.control.TableRow; 
import javafx.scene.control.TableView; 
import javafx.scene.control.cell.PropertyValueFactory; 
import javafx.scene.layout.VBox; 
import javafx.scene.text.Font; 
import javafx.stage.Stage; 
public class TreeTableView extends Application { 
private TableView<Person> table = new TableView<Person>(); 
public static void main(String[] args) { 
    launch(args); 
} 
@Override 
public void start(Stage stage) { 
    Scene scene = new Scene(new Group()); 
    stage.setTitle("Table View Sample"); 
    stage.setWidth(450); 
    stage.setHeight(500); 
    final Label label = new Label("Address Book"); 
    label.setFont(new Font("Arial", 20)); 
    constructTable(); 
    final VBox vbox = new VBox(); 
    vbox.setSpacing(5); 
    vbox.setPadding(new Insets(10, 0, 0, 10)); 
    vbox.getChildren().addAll(label, table); 
    ((Group) scene.getRoot()).getChildren().addAll(vbox); 
    stage.setScene(scene); 
    stage.show(); 
} 
private void constructTable() { 
    TableColumn<Person, String> firstNameCol = new TableColumn<Person, String>("First Name"); 
    firstNameCol.setMinWidth(100); 
    firstNameCol.setCellValueFactory(new PropertyValueFactory<Person, String>("firstName")); 
    TableColumn<Person, String> lastNameCol = new TableColumn<Person, String>("Last Name"); 
    lastNameCol.setMinWidth(100); 
    lastNameCol.setCellValueFactory(new PropertyValueFactory<Person, String>("lastName")); 
    TableColumn<Person, String> emailCol = new TableColumn<Person, String>("Email"); 
    emailCol.setMinWidth(200); 
    emailCol.setCellValueFactory(new PropertyValueFactory<Person, String>("email")); 
    table.setItems(getData()); 
    table.getColumns().addAll(firstNameCol, lastNameCol, emailCol); 
    table.setRowFactory(tv -> new TableRow<Person>() { 
      Node detailsPane ; 
      { 
       this.selectedProperty().addListener((obs, wasSelected, isNowSelected) -> { 
        if (isNowSelected) { 
         detailsPane = constructSubTable(getItem()); 
         this.getChildren().add(detailsPane); 
        } else { 
         this.getChildren().remove(detailsPane); 
        } 
        this.requestLayout(); 
       }); 
      } 
      @Override 
      protected double computePrefHeight(double width) { 
       if (isSelected()) { 
        return super.computePrefHeight(width)+detailsPane.prefHeight(60); 
       } else { 
        return super.computePrefHeight(width); 
       } 
      } 
      @Override 
      protected void layoutChildren() { 
       super.layoutChildren(); 
       if (isSelected()) { 
        double width = getWidth(); 
        double paneHeight = detailsPane.prefHeight(width); 
        detailsPane.resizeRelocate(0, getHeight()-paneHeight, width, paneHeight); 
       } 
      } 
     }); 
} 
private TableView<Address> constructSubTable(Person person) { 
    List<Address> addresses = new ArrayList<>(); addresses.add(person.getAddress()); 
    TableView<Address> subTable = new TableView<Address>(); 
    TableColumn<Address, String> streetCol = new TableColumn<Address, String>("Street"); 
    streetCol.setMinWidth(100); 
    streetCol.setCellValueFactory(new PropertyValueFactory<Address, String>("Street")); 
    TableColumn<Address, String> cityCol = new TableColumn<Address, String>("City"); 
    cityCol.setMinWidth(100); 
    cityCol.setCellValueFactory(new PropertyValueFactory<Address, String>("city")); 
    subTable.setItems(FXCollections.observableArrayList(addresses)); 
    subTable.getColumns().addAll(streetCol, cityCol); 
    subTable.setPrefHeight(50+(addresses.size()*30)); 
    subTable.setStyle("-fx-border-color: #42bff4;"); 
    return subTable; 
} 
private ObservableList<Person> getData() { 
    return FXCollections.observableArrayList(new Person("Jacob", "Smith", "[email protected]","Jacob Street","NY"), 
      new Person("Isabella", "Johnson", "[email protected]","Isabella Street","DL"), 
      new Person("Ethan", "Williams", "[email protected]","Ethan Street"," ML"), 
      new Person("Emma", "Jones", "[email protected]","Emma Street","EL"), 
      new Person("Michael", "Brown", "[email protected]","Michael Street","ML")); 
} 
public static class Person { 
    private final SimpleStringProperty firstName; 
    private final SimpleStringProperty lastName; 
    private final SimpleStringProperty email; 
    private Address address; 
    Person(String fName, String lName, String email,String streetS, String cityS) { 
     this.firstName = new SimpleStringProperty(fName); 
     this.lastName = new SimpleStringProperty(lName); 
     this.email = new SimpleStringProperty(email); 
     address = new Address(streetS, cityS); 
    } 
    public String getFirstName() { 
     return firstName.get(); 
    } 
    public void setFirstName(String fName) { 
     firstName.set(fName); 
    } 
    public String getLastName() { 
     return lastName.get(); 
    } 
    public void setLastName(String fName) { 
     lastName.set(fName); 
    } 
    public String getEmail() { 
     return email.get(); 
    } 
    public void setEmail(String fName) { 
     email.set(fName); 
    } 
    public Address getAddress() { 
return address; 
    } 
    public void setAddress(Address address) { 
     this.address = address; 
    } 
} 
public static class Address{ 
    private final SimpleStringProperty street; 
    private final SimpleStringProperty city; 
    Address(String streetS, String cityS) { 
     this.street = new SimpleStringProperty(streetS); 
     this.city = new SimpleStringProperty(cityS); 
    } 
    public String getStreet() { 
     return street.get(); 
    } 
    public void setStreet(String streetS) { 
     street.set(streetS); 
    } 
    public String getCity() { 
     return city.get(); 
    } 
    public void setCity(String cityS) { 
     city.set(cityS); 
    } 
} 
}