3
列表視圖setCellFactory我嘗試做內ListView
創建一個定製的項目,讓我們說這是標籤,我想執行setCellFactory
,而我使用Label
我沒有看到該項目(標籤的文字),爲什麼?與普通標籤
ListView<Label> list = new ListView<Label>();
ObservableList<Label> data = FXCollections.observableArrayList(
new Label("123"), new Label("45678999"));
@Override
public void start(Stage stage) {
VBox box = new VBox();
Scene scene = new Scene(box, 200, 200);
stage.setScene(scene);
stage.setTitle("ListViewExample");
box.getChildren().addAll(list);
VBox.setVgrow(list, Priority.ALWAYS);
list.setItems(data);
list.setCellFactory(new Callback<ListView<Label>, ListCell<Label>>() {
@Override
public ListCell<Label> call(ListView<Label> list) {
ListCell<Label> cell = new ListCell<Label>() {
@Override
public void updateItem(Label item, boolean empty) {
super.updateItem(item, empty);
if (item != null) {
setItem(item);
}
}
};
return cell;
}
}
);
stage.show();
}
謝謝:)我錯過setGraphic –