javafx.scene.control.MultipleSelectionModel#getSelectedIndex ( )源码实例Demo

/** Called by selection handler when selected widgets have changed, or on new model
 *  @param widgets Widgets to select in tree
 */
public void setSelectedWidgets(final List<Widget> widgets)
{
    if (! active.compareAndSet(false, true))
        return;
    try
    {
        final MultipleSelectionModel<TreeItem<WidgetOrTab>> selection = tree_view.getSelectionModel();
        selection.clearSelection();
        for (Widget widget : widgets)
            selection.select(widget2tree.get(widget));

        // If something's selected, show it.
        // Otherwise leave tree at current position.
        final int index = selection.getSelectedIndex();
        if (index >= 0)
            tree_view.scrollTo(index);
    }
    finally
    {
        active.set(false);
    }
}
 

@Override
public void handle(ActionEvent event) {
    MultipleSelectionModel<ClassPathElement> selectionModel = classPathListView.getSelectionModel();
    ObservableList<ClassPathElement> items = classPathListView.getItems();
    int selectedIndex = selectionModel.getSelectedIndex();
    ClassPathElement selectedItem = selectionModel.getSelectedItem();
    items.remove(selectedItem);
    if (shouldMoveUp) {
        items.add(selectedIndex - 1, selectedItem);
    } else {
        items.add(selectedIndex + 1, selectedItem);
    }
    selectionModel.clearAndSelect(items.indexOf(selectedItem));
}
 

@Override
public void handle(ActionEvent event) {
    MultipleSelectionModel<JSONObject> selectionModel = historyView.getSelectionModel();
    ObservableList<JSONObject> items = historyView.getItems();
    int selectedIndex = selectionModel.getSelectedIndex();
    JSONObject selectedItem = selectionModel.getSelectedItem();
    items.remove(selectedItem);
    if (shouldMoveUp) {
        items.add(selectedIndex - 1, selectedItem);
    } else {
        items.add(selectedIndex + 1, selectedItem);
    }
    selectionModel.select(selectedItem);
    TestRunnerHistory.getInstance().rewrite("favourites", items);
}