treeTabelView --带checkBox可选择的树状表格_javafx 自定义checkboxtreecell

import javafx.application.Application;
import javafx.beans.property.*;
import javafx.beans.value.ObservableValue;
import javafx.scene.Scene;
import javafx.scene.control.CheckBoxTreeItem;
import javafx.scene.control.TreeTableColumn;
import javafx.scene.control.TreeTableView;
import javafx.scene.control.cell.CheckBoxTreeTableCell;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
import javafx.util.Callback;

import java.util.Arrays;
import java.util.List;

public class MySelfTreeView extends Application {

    public static void main(String[] args) {

        launch(args);

    }

    CheckBoxTreeItem<Employee> rootItem = null;
    TreeTableView<Employee> tree = null;

    /**
     * @param primaryStage
     * @throws Exception
     */
    @Override
    public void start(Stage primaryStage) throws Exception {
        primaryStage.setTitle("Tree View Sample");
        List<Employee> employees = Arrays.asList(new Employee("Emma Jones", "emma.jones@example.com"),
                new Employee("Michael Brown", "michael.brown@example.com"),
                new Employee("Anna Black", "anna.black@example.com"),
                new Employee("Rodger York", "roger.york@example.com"),
                new Employee("Susan Collins", "susan.collins@example.com"));
        TreeTableColumn<Employee, String> empColumn = new TreeTableColumn<>("Employee");
        empColumn.setPrefWidth(150);
        empColumn.setCellValueFactory(
                (TreeTableColumn.CellDataFeatures<Employee, String> param) -> new ReadOnlyStringWrapper(
                        param.getValue().getValue().getName()));

        TreeTableColumn<Employee, String> emailColumn = new TreeTableColumn<>("email");
        emailColumn.setPrefWidth(190);
        emailColumn.setCellValueFactory(
                (TreeTableColumn.CellDataFeatures<Employee, String> param) -> new ReadOnlyStringWrapper(
                        param.getValue().getValue().getEmail()));
      tree =new TreeTableView<>();
        tree.setEditable(true);

        rootItem = new CheckBoxTreeItem<>(new Employee("Ethan Williams", ""));
        rootItem.setExpanded(true);
        for (Employee employee : employees) {
            final CheckBoxTreeItem<Employee> checkBoxTreeItem = new CheckBoxTreeItem<>(employee);
            rootItem.getChildren().add(checkBoxTreeItem);
            checkBoxTreeItem.getChildren().add(new CheckBoxTreeItem<>(employee));
        }
        tree.setRoot(rootItem);

        tree.setShowRoot(true);
        TreeTableColumn<Employee, Boolean> empColumn2 = new TreeTableColumn<>();
        CheckBoxTreeTableCell checkCell = new CheckBoxTreeTableCell();
        empColumn2.setPrefWidth(100);
        empColumn2.setCellValueFactory(
                (TreeTableColumn.CellDataFeatures<Employee, Boolean> param) -> new ReadOnlyBooleanWrapper(
                        param.getValue().getValue().getSelectBoolean()));
        empColumn2.setCellFactory(checkCell.forTreeTableColumn(getSelectedProperty));
        rootItem.setIndependent(false);

        checkCell.setSelectedStateCallback(new Callback<Integer, ObservableValue<Boolean>>() {
            @Override
            public ObservableValue<Boolean> call(Integer param) {
                System.out.println("选中事件-->" + param);
                return null;
            }
        });


        tree.getColumns().setAll(empColumn2, empColumn, emailColumn);
        StackPane root = new StackPane();

        root.getChildren().add(tree);

        primaryStage.setScene(new Scene(root, 300, 250));

        primaryStage.show();
    }


    Callback<Integer, ObservableValue<Boolean>> getSelectedProperty = new Callback<Integer, ObservableValue<Boolean>>() {
        @Override
        public ObservableValue<Boolean> call(Integer param) {
            return ((CheckBoxTreeItem<?>) tree.getTreeItem(param)).selectedProperty();
        }
    };
    class Employee {
        private BooleanProperty  selectBoolean;
        private SimpleStringProperty name;
        private SimpleStringProperty email;
        public SimpleStringProperty nameProperty() {
            if (name == null) {
                name = new SimpleStringProperty(this, "name");
            }
            return name;
        }
        public SimpleStringProperty emailProperty() {
            if (email == null) {
                email = new SimpleStringProperty(this, "email");
            }
            return email;
        }
        public BooleanProperty selectBooleanProperty() {
            if (selectBoolean == null) {
                selectBoolean = new SimpleBooleanProperty(this, "selectBoolean");
            }
            return selectBoolean;
        }
        public Employee(String name, String email) {
            this.name = new SimpleStringProperty(name);
            this.email = new SimpleStringProperty(email);
            this.selectBoolean = new SimpleBooleanProperty(true);
        }
        public String getName() {
            return name.get();
        }
        public void setName(String fName) {
            name.set(fName);
        }
        public String getEmail() {
            return email.get();
        }
        public void setEmail(String fName) {
            email.set(fName);
        }
        public Boolean getSelectBoolean() {
            return selectBoolean.get();
        }
        public void setSelectBoolean(Boolean select) {
            this.selectBoolean.set(select);
        }
    }

}

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