本文整理汇总了Java中javafx.collections.ListChangeListener.onChanged方法的典型用法代码示例。如果您正苦于以下问题：Java ListChangeListener.onChanged方法的具体用法？Java ListChangeListener.onChanged怎么用？Java ListChangeListener.onChanged使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javafx.collections.ListChangeListener的用法示例。
在下文中一共展示了ListChangeListener.onChanged方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: init
import javafx.collections.ListChangeListener; //导入方法依赖的package包/类
private void init() {
setHgap(4 * GuiConstants.padding);
setVgap(4 * GuiConstants.padding);
ColumnConstraints colConstraint = new ColumnConstraints();
colConstraint.setPercentWidth(50);
getColumnConstraints().addAll(colConstraint, colConstraint);
RowConstraints rowConstraintInput = new RowConstraints();
RowConstraints rowConstraintClassPath = new RowConstraints();
rowConstraintClassPath.setVgrow(Priority.SOMETIMES);
RowConstraints rowConstraintButtons = new RowConstraints();
RowConstraints rowConstraintShared = new RowConstraints();
rowConstraintShared.setVgrow(Priority.SOMETIMES);
getRowConstraints().addAll(rowConstraintInput, rowConstraintClassPath, rowConstraintButtons, rowConstraintShared);
ObservableList<Path> pathsA = FXCollections.observableList(config.getPathsA());
ObservableList<Path> pathsB = FXCollections.observableList(config.getPathsB());
classPathA = FXCollections.observableList(config.getClassPathA());
classPathB = FXCollections.observableList(config.getClassPathB());
sharedClassPath = FXCollections.observableList(config.getSharedClassPath());
add(createFilesSelectionPane("Inputs A", pathsA, window, false, false), 0, 0);
add(createFilesSelectionPane("Inputs B", pathsB, window, false, false), 1, 0);
add(createFilesSelectionPane("Class path A", classPathA, window, true, false), 0, 1);
add(createFilesSelectionPane("Class path B", classPathB, window, true, false), 1, 1);
HBox hbox = new HBox(GuiConstants.padding);
Button swapButton = new Button("swap A ⇄ B");
hbox.getChildren().add(swapButton);
swapButton.setOnAction(event -> {
List<Path> paths = new ArrayList<>(pathsA);
pathsA.clear();
pathsA.addAll(pathsB);
pathsB.setAll(paths);
paths.clear();
paths.addAll(classPathA);
classPathA.clear();
classPathA.addAll(classPathB);
classPathB.setAll(paths);
});
add(hbox, 0, 2, 2, 1);
add(createFilesSelectionPane("Shared class path", sharedClassPath, window, true, true), 0, 3, 2, 1);
// TODO: config.inputsBeforeClassPath
ListChangeListener<Path> listChangeListener = change -> okButton.setDisable(!config.isValid());
pathsA.addListener(listChangeListener);
pathsB.addListener(listChangeListener);
classPathA.addListener(listChangeListener);
classPathB.addListener(listChangeListener);
sharedClassPath.addListener(listChangeListener);
listChangeListener.onChanged(null);
}
示例2: init
import javafx.collections.ListChangeListener; //导入方法依赖的package包/类
private void init() {
getChildren().add(new Label("Input directories:"));
ListView<Path> list = new ListView<>(FXCollections.observableList(paths));
getChildren().add(list);
list.getSelectionModel().setSelectionMode(SelectionMode.MULTIPLE);
list.setPrefWidth(320);
list.setPrefHeight(200);
VBox.setVgrow(list, Priority.ALWAYS);
HBox footer = new HBox(GuiConstants.padding);
getChildren().add(footer);
footer.setAlignment(Pos.CENTER_RIGHT);
Button button = new Button("add");
footer.getChildren().add(button);
button.setOnAction(event -> {
Path path = Gui.requestDir("Select directory to add", window);
if (path != null && !list.getItems().contains(path)) list.getItems().add(path);
});
Button removeButton = new Button("remove");
footer.getChildren().add(removeButton);
removeButton.setOnAction(event -> {
Set<Path> selected = new HashSet<>(list.getSelectionModel().getSelectedItems());
list.getItems().removeIf(selected::contains);
});
ListChangeListener<Path> itemChangeListener = change -> {
okButton.setDisable(paths.isEmpty());
};
list.getItems().addListener(itemChangeListener);
ListChangeListener<Path> selectChangeListener = change -> {
List<Integer> selectedIndices = list.getSelectionModel().getSelectedIndices();
boolean empty = selectedIndices.isEmpty();
removeButton.setDisable(empty);
};
list.getSelectionModel().getSelectedItems().addListener(selectChangeListener);
itemChangeListener.onChanged(null);
selectChangeListener.onChanged(null);
}