Class DefaultMenuLayout

java.lang.Object

javax.swing.BoxLayout

javax.swing.plaf.basic.DefaultMenuLayout

All Implemented Interfaces:

LayoutManager, LayoutManager2, Serializable, UIResource

public class DefaultMenuLayout
extends BoxLayout
implements UIResource

The default layout manager for Popup menus and menubars. This class is an extension of BoxLayout which adds the UIResource tag so that pluggable L&Fs can distinguish it from user-installed layout managers on menus.

Field Summary

Fields inherited from class BoxLayout

LINE_AXIS, PAGE_AXIS, X_AXIS, Y_AXIS

Constructor Summary

Constructors

Constructor	Description
DefaultMenuLayout(Container target, int axis)	Constructs a new instance of DefaultMenuLayout.

Method Summary

Modifier and Type	Method	Description
Dimension	preferredLayoutSize(Container target)	Returns the preferred dimensions for this layout, given the components in the specified target container.

Methods inherited from class BoxLayout

addLayoutComponent, addLayoutComponent, getAxis, getLayoutAlignmentX, getLayoutAlignmentY, getTarget, invalidateLayout, layoutContainer, maximumLayoutSize, minimumLayoutSize, removeLayoutComponent

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DefaultMenuLayout

public DefaultMenuLayout(Container target,
 int axis)

Constructs a new instance of DefaultMenuLayout.

Parameters:

target - the container that needs to be laid out

axis - the axis to lay out components along. Can be one of: BoxLayout.X_AXIS, BoxLayout.Y_AXIS, BoxLayout.LINE_AXIS or BoxLayout.PAGE_AXIS

Method Details

preferredLayoutSize

public Dimension preferredLayoutSize(Container target)

Description copied from class: BoxLayout

Returns the preferred dimensions for this layout, given the components in the specified target container.

Specified by:

preferredLayoutSize in interface LayoutManager

Overrides:

preferredLayoutSize in class BoxLayout

Parameters:

target - the container that needs to be laid out

Returns:

the dimensions >= 0 && <= Integer.MAX_VALUE

See Also:

• Container
• BoxLayout.minimumLayoutSize(Container)
• BoxLayout.maximumLayoutSize(Container)