import javafx.event.*;
import javafx.scene.control.*;
import javafx.scene.input.*;

import static javafx.scene.input.KeyCode.*;

public class SampleTextInputControlMenu extends ContextMenu {

    private TextInputControl textInputControl;

    private static final String os = System.getProperty("os.name");

    public SampleTextInputControlMenu(TextInputControl textInputControl) {
        this.textInputControl = textInputControl;

        if (os.startsWith("Mac")) {
            getItems().add(new ContextMenuItem("Undo",       Z,      false, false, true));
            getItems().add(new ContextMenuItem("Redo",       Z,      true,  false, true));
            getItems().add(new ContextMenuItem("Cut",        X,      false, false, true));
            getItems().add(new ContextMenuItem("Copy",       C,      false, false, true));
            getItems().add(new ContextMenuItem("Paste",      V,      false, false, true));
            getItems().add(new ContextMenuItem("Delete",     DELETE, false, false, false));
            getItems().add(new SeparatorMenuItem());
            getItems().add(new ContextMenuItem("Select All", A,      false, false, true));
        } else if (os.startsWith("Windows")) {
            getItems().add(new ContextMenuItem("Undo",       Z,      false, true,  false));
            getItems().add(new ContextMenuItem("Redo",       Y,      false, true,  false));
            getItems().add(new ContextMenuItem("Cut",        X,      false, true,  false));
            getItems().add(new ContextMenuItem("Copy",       C,      false, true,  false));
            getItems().add(new ContextMenuItem("Paste",      V,      false, true,  false));
            getItems().add(new ContextMenuItem("Delete",     DELETE, false, false, false));
            getItems().add(new SeparatorMenuItem());
            getItems().add(new ContextMenuItem("Select All", A,      false, true,  false));
        } else {  // Assume Linux
            getItems().add(new ContextMenuItem("Undo",       Z,      false, true,  false));
            getItems().add(new ContextMenuItem("Redo",       Z,      true,  true,  false));
            getItems().add(new ContextMenuItem("Cut",        X,      false, true,  false));
            getItems().add(new ContextMenuItem("Copy",       C,      false, true,  false));
            getItems().add(new ContextMenuItem("Paste",      V,      false, true,  false));
            getItems().add(new ContextMenuItem("Delete",     DELETE, false, false, false));
            getItems().add(new SeparatorMenuItem());
            getItems().add(new ContextMenuItem("Select All", A,      false, true,  false));
        }
    }


    class ContextMenuItem extends MenuItem {
        ContextMenuItem(final String text, KeyCode keyCode, boolean shiftDown, boolean controlDown, boolean metaDown) {
            super(text);
            setOnAction(new EventHandler<ActionEvent>() {
                @Override public void handle(ActionEvent e) {
                    textInputControl.fireEvent(new KeyEvent(KeyEvent.KEY_PRESSED, "\0", "", keyCode,
                                                            shiftDown, controlDown, false, metaDown));

                    // The following events are not used by TextInputControlBindings
                    // in 8.0, but are included here for completeness.

                    textInputControl.fireEvent(new KeyEvent(KeyEvent.KEY_TYPED, keyCode.impl_getChar(), "", UNDEFINED,
                                                            shiftDown, controlDown, false, metaDown));

                    textInputControl.fireEvent(new KeyEvent(KeyEvent.KEY_RELEASED, "\0", "", UNDEFINED,
                                                            shiftDown, controlDown, false, metaDown));
                }
            });
        }
    }
}