java – ListView没有反映更改

但是,使用ListView,它是一个不同的故事.除非我关闭框架并再次打开,否则不会立即显示更改.

我的ListView包含ActionSteps.请注意,我使用了Javafx bean属性.

package application.objects;

import java.time.LocalDate;
import java.util.ArrayList;
import java.util.function.IntPredicate;

import javafx.beans.property.IntegerProperty;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;

public class ActionStep {

   private StringProperty actionStepID;
   private ObjectProperty<LocalDate> dateSet,dateFinished;
   private StringProperty stepName;
   private IntegerProperty completion;
   private ArrayList<StepComment> comments;



   public ActionStep(String name) {
      actionStepID = new SimpleStringProperty();
      stepName = new SimpleStringProperty();
      dateSet = new SimpleObjectProperty<LocalDate>();
      dateFinished = new SimpleObjectProperty<LocalDate>();
      completion = new SimpleIntegerProperty();
      stepName.setValue(name);
   }



   public void setName(String name) {
      stepName.setValue(name);
   }



   public String getName() {
      return stepName.getValue();
   }



   public StringProperty stepNameProperty() {
      return actionStepID;
   }



   public void setID(String id) {
      actionStepID.setValue(id);
   }



   public String getID() {
      return actionStepID.get();
   }



   public StringProperty actionStepIDProperty() {
      return actionStepID;
   }



   public void setCompletion(int percent) {
      if (percent < 0 || percent > 100)
         return;
      completion.set(percent);
   }



   public int getCompletion() {
      return completion.get();
   }



   public IntegerProperty completionProperty() {
      return completion;
   }



   public void setDateSet(LocalDate date) {
      dateSet.set(date);
   }



   public LocalDate getDateSet() {
      return dateSet.get();
   }



   public ObjectProperty<LocalDate> dateSetProperty() {
      return dateSet;
   }



   public void setDateFinished(LocalDate date) {
      dateFinished.set(date);
   }



   public LocalDate getDateFinished() {
      return dateFinished.get();
   }



   public ObjectProperty<LocalDate> dateFinishedProperty() {
      return dateFinished;
   }



   public String toString() {
      return stepNameProperty().get();
   }

}

我的ListView也使用ObservableList.

@FXML
  private ListView<ActionStep> actionStepsListView;
  private ObservableList<ActionStep> listOfSteps;

  listOfSteps = FXCollections.observableArrayList();
  actionStepsListView.setItems(listOfSteps);
  if (plan != null) {
     ArrayList<ActionStep> arrayOfSteps = plan.getStepsArrayList();
     for (int i = 0; i < arrayOfSteps.size(); i++)
        listOfSteps.add(arrayOfSteps.get(i));
  } else
     plan = new ActionPlan();

为什么对ObservableList所做的更改不会反映在ListView中？我注意到ListView调用每个对象的toString()来在ListView中显示它们的值,而不是将它绑定到它们的Properties.

我究竟做错了什么？我应该覆盖一家细胞工厂吗？