Class Container

CodenameOne/src/com/codename1/ui/Container.java:93–4554

///
/// - Component
public class Container extends Component implements Iterable<Component> {
    /// Workaround for the behavior of the sidemenu bar on iOS etc. which translates aggressively,
    /// this is visible with the table component where the lines slide out of place
    static int sidemenuBarTranslation;
    private static boolean enableLayoutOnPaint = true;
    private static boolean blockOverdraw;
    private final ArrayList<Component> components = new ArrayList<Component>();
    /// A queue that keeps track of changes to the children while an animation is in progress.
    ///
    /// #### See also
    ///
    /// - #getChildrenAsList(boolean)
    ///
    /// - #iterator(boolean)
    ///
    /// - #insertComponentAt(int, java.lang.Object, com.codename1.ui.Component)
    ///
    /// - #removeComponentImpl(com.codename1.ui.Component)
    private final ArrayList<QueuedChange> changeQueue = new ArrayList<QueuedChange>();
    boolean scrollableX;
    boolean scrollableY;
    /// A set used in `#paintElevatedPane(Graphics)` to gather all of the elevated descendent components
    /// of this container.
    ArrayList<Component> _tmpRenderingElevatedComponents;
    // A 2nd flag for enabling layout on paint.  In order for layoutOnPaint to occur,
    // both the enableLayoutOnPaint and allowEnableLayoutOnPaint flags must be true.
    // This flag can be set on any Container (e.g. form), and will cause it to be propagated
    // down to its children.  So you can set this at the form level, in order to enable this behaviour
    // for the whole form.
    private boolean allowEnableLayoutOnPaint = false;
    private Component leadComponent;
    private Layout layout;
    private boolean shouldLayout = true;
    private Vector cmpTransitions;
    private int scrollIncrement = 20;
    private boolean blockFocus = false;
    private boolean dontRecurseContainer;
    private UIManager uiManager;
    private boolean surface;
    private boolean revalidatePending;
    /// Set to keep track of elevated components to render against this surface.
    private HashSet<Component> elevatedComponents;
    /// Index variable used to assign indices to components within the same elevation level.
    private int nextElevationComponentIndex;
    /// Flag to
    private boolean safeArea;
    /// Indicates that this container is a "safe area" root.
    private boolean safeAreaRoot;
    private TmpInsets tmpInsets;
    private int doLayoutDepth;
    private TmpInsets calcTmpInsets;
    private int calcPreferredSizeDepth;

    /// Constructs a new Container with a new layout manager and UIID
    ///
    /// #### Parameters
    ///
    /// - `layout`: the specified layout manager