Java ListView.setEditable方法代碼示例

import javafx.scene.control.ListView; //導入方法依賴的package包/類
public ComboBoxListViewSample() {
    ListView<Object> listView = new ListView<>();
    listView.getItems().addAll(items);
    listView.setEditable(true);
    listView.setCellFactory(ComboBoxListCell.forListView(items));
    getChildren().add(listView);
}
 

import javafx.scene.control.ListView; //導入方法依賴的package包/類
public TextFieldListViewSample() {
    final ListView<String> listView = new ListView<String>();
    listView.setItems(FXCollections.observableArrayList("Row 1", "Row 2", "Long Row 3", "Row 4", "Row 5", "Row 6", "Row 7",
            "Row 8", "Row 9", "Row 10", "Row 11", "Row 12", "Row 13", "Row 14", "Row 15", "Row 16", "Row 17", "Row 18",
            "Row 19", "Row 20"));
    listView.getSelectionModel().setSelectionMode(SelectionMode.MULTIPLE);
    listView.setEditable(true);
    listView.setCellFactory(TextFieldListCell.forListView());
    getChildren().add(listView);
}
 

import javafx.scene.control.ListView; //導入方法依賴的package包/類
public ChoiceBoxListViewSample() {
    ListView<Object> listView = new ListView<>();
    listView.getItems().addAll(items);
    listView.setEditable(true);
    listView.setCellFactory(ChoiceBoxListCell.forListView(items));
    getChildren().addAll(listView, new Button("Click me"));
}
 

import javafx.scene.control.ListView; //導入方法依賴的package包/類
/**
 * String List input constructor
 *
 * @param parameterValues List with all parameters
 * @param index           Index of the parameter that the input should use.
 * @param defaultValue    Default value for the list. Expected to be in the form "[string1, string2]" etc.
 */
public StringListInput(List<JPair<String, Object>> parameterValues, int index, String defaultValue) {
    // Create HashSet instance and add it to the parameters
    set = new HashSet<>();
    parameterValues.get(index).setRight(set);

    // Create the editable list
    ObservableList<String> stringList = FXCollections.observableArrayList();

    ListView<String> simpleList = new ListView<>(stringList);
    simpleList.setEditable(true);
    simpleList.setCellFactory(TextFieldListCell.forListView());

    simpleList.setOnEditCommit(t -> simpleList.getItems().set(t.getIndex(), t.getNewValue()));

    // Create the add/remove item buttons
    Button addBtn = new Button("Add");
    addBtn.onActionProperty().setValue(event -> stringList.add("(double click to edit)"));

    Button removeBtn = new Button("Remove last");
    removeBtn.onActionProperty().setValue(event -> {
        ObservableList<String> list = simpleList.getItems();

        // Only try to remove if list contains at least 1 item
        if (list.size() > 0) {
            list.remove(list.size() - 1);
        }
    });

    HBox addRemoveHBox = new HBox();
    addRemoveHBox.setSpacing(5);
    addRemoveHBox.setAlignment(Pos.CENTER);
    addRemoveHBox.getChildren().add(addBtn);
    addRemoveHBox.getChildren().add(removeBtn);

    // Add a listener to the string list, so when it changes we update the Set
    simpleList.getItems().addListener((ListChangeListener<String>) c -> {
        // Clear the current set's contents, and add the new ones
        set.clear();
        set.addAll(simpleList.getItems());
    });

    // Add buttons to the container
    this.setSpacing(5);
    this.getChildren().add(simpleList);
    this.getChildren().add(addRemoveHBox);

    // If there is a default value for the list, add it now
    if (!defaultValue.equals("-")) {
        // Remove first and last characters (which are expected to be square brackets)
        defaultValue = defaultValue.substring(1, defaultValue.length() - 1);

        // Split into Strings and add them to the set
        String[] strings = defaultValue.split(", ");

        // Update the list with the new strings (which also updates the HashSet because of the listener)
        simpleList.getItems().addAll(strings);
    }
}