无法在电子表格视图单元格中放置日期选择器、按钮甚至图像

我使用ControlsFX(v8.40.12)中的SpreadsheetView控件进行了一些测试,除了文本之外,我无法向单元格添加任何其他类型的对象。

我正在使用SpreadsheetCellBase、SetGraphic和setCellValue。

有些评论是葡萄牙语的,对不起!

非常感谢。

package javafx_controlsfx_spreadsheetview;

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.DatePicker;
import javafx.scene.control.Alert;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.stage.Stage;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import java.util.Arrays;
import java.util.List;
import org.controlsfx.control.spreadsheet.GridBase;
import org.controlsfx.control.spreadsheet.Picker;
import org.controlsfx.control.spreadsheet.SpreadsheetCell;
import org.controlsfx.control.spreadsheet.SpreadsheetCellBase;
import org.controlsfx.control.spreadsheet.SpreadsheetView;

public class JavaFX_ControlsFX_SpreadsheetView extends Application
{ 
  @Override
  public void start(Stage primaryStage)
  {
    int numLinhas = 25;
    int numColunas = 20;
    GridBase grelha = new GridBase(numLinhas, numColunas);
    ObservableList<ObservableList<SpreadsheetCell>> linhas = FXCollections.<ObservableList<SpreadsheetCell>>observableArrayList();
    ObservableList<SpreadsheetCell> celulas = null;
    SpreadsheetCellBase celula;

    for (int linha = 0; linha < grelha.getRowCount(); linha++)
    {
      celulas = FXCollections.<SpreadsheetCell>observableArrayList();
      for (int coluna = 0; coluna < grelha.getColumnCount(); coluna++)
      {
        celula = new SpreadsheetCellBase(linha, coluna, 1, 1);
        celula.setItem("---");
        celulas.add(celula);
      }
      linhas.add(celulas);
    }
    grelha.setRows(linhas);

    SpreadsheetView sv = new SpreadsheetView(grelha);

    // Atribui um valor à (6ª Linha -> 6) / 8ª Coluna -> H).
    grelha.setCellValue(5, 7, "Pedro");

    // Atribui um valor à (5ª Linha -> 5) / 13ª Coluna -> M).
    grelha.setCellValue(4, 12, 164.58);

    // Popula a Grelha de A1 a A6, com os países definidos na Lista abaixo criada.
    List<String> countries = Arrays.asList("China", "França", "Nova Zelândia", "Escócia", "Alemanha", "Canada");
    byte r = 0;
    for (String c : countries)
    {
      grelha.setCellValue(r, 0, c);
      r++;
    }




    // Part of the code that doesn't work!

    celula = new SpreadsheetCellBase(3, 7, 1, 1);
    celula.setGraphic(new Button("Teste"));
    grelha.setCellValue(3, 7, celula);


    SpreadsheetCellBase cell = new SpreadsheetCellBase(10, 4, 1, 1);
    cell.setGraphic(new DatePicker());


    SpreadsheetCellBase cell2 = new SpreadsheetCellBase(5, 9, 1, 1);
    cell2.setGraphic(new ImageView(new Image(getClass().getResourceAsStream("pic.png"))));

    // -------------------------------------




    sv.getStylesheets().add(getClass().getResource("Styles.css").toExternalForm());

    Scene scene = new Scene(sv, 1300, 800);

    primaryStage.setTitle("JavaFX - ControlsFX (SpreadsheetView)");
    primaryStage.setScene(scene);
    primaryStage.show();
  }


  public static void main(String[] args)
  {
    launch(args);
  }
}

有一个类似的帖子,但它没有给我关于这个问题的答案: How to change text in cells (SpreadsheetView by ControlsFX)?