protected class JRootPane.RootLayout extends Object implements LayoutManager2, Serializable
Warning:
Serialized objects of this class will not be compatible with
future Swing releases. The current serialization support is
appropriate for short term storage or RMI between applications running
the same version of Swing. As of 1.4, support for long term storage
of all JavaBeans™
has been added to the java.beans
package.
Please see XMLEncoder
.
Modifier | Constructor and Description |
---|---|
protected |
RootLayout() |
Modifier and Type | Method and Description |
---|---|
void |
addLayoutComponent(Component comp,
Object constraints)
Adds the specified component to the layout, using the specified
constraint object.
|
void |
addLayoutComponent(String name,
Component comp)
If the layout manager uses a per-component string,
adds the component
comp to the layout,
associating it
with the string specified by name . |
float |
getLayoutAlignmentX(Container target)
Returns the alignment along the x axis.
|
float |
getLayoutAlignmentY(Container target)
Returns the alignment along the y axis.
|
void |
invalidateLayout(Container target)
Invalidates the layout, indicating that if the layout manager
has cached information it should be discarded.
|
void |
layoutContainer(Container parent)
Instructs the layout manager to perform the layout for the specified
container.
|
Dimension |
maximumLayoutSize(Container target)
Returns the maximum amount of space the layout can use.
|
Dimension |
minimumLayoutSize(Container parent)
Returns the minimum amount of space the layout needs.
|
Dimension |
preferredLayoutSize(Container parent)
Returns the amount of space the layout would like to have.
|
void |
removeLayoutComponent(Component comp)
Removes the specified component from the layout.
|
public Dimension preferredLayoutSize(Container parent)
preferredLayoutSize
in interface LayoutManager
parent
- the Container for which this layout manager
is being usedLayoutManager.minimumLayoutSize(java.awt.Container)
public Dimension minimumLayoutSize(Container parent)
minimumLayoutSize
in interface LayoutManager
parent
- the Container for which this layout manager
is being usedLayoutManager.preferredLayoutSize(java.awt.Container)
public Dimension maximumLayoutSize(Container target)
maximumLayoutSize
in interface LayoutManager2
target
- the Container for which this layout manager
is being usedComponent.getMaximumSize()
,
LayoutManager
public void layoutContainer(Container parent)
layoutContainer
in interface LayoutManager
parent
- the Container for which this layout manager
is being usedpublic void addLayoutComponent(String name, Component comp)
LayoutManager
comp
to the layout,
associating it
with the string specified by name
.addLayoutComponent
in interface LayoutManager
name
- the string to be associated with the componentcomp
- the component to be addedpublic void removeLayoutComponent(Component comp)
LayoutManager
removeLayoutComponent
in interface LayoutManager
comp
- the component to be removedpublic void addLayoutComponent(Component comp, Object constraints)
LayoutManager2
addLayoutComponent
in interface LayoutManager2
comp
- the component to be addedconstraints
- where/how the component is added to the layout.public float getLayoutAlignmentX(Container target)
LayoutManager2
getLayoutAlignmentX
in interface LayoutManager2
public float getLayoutAlignmentY(Container target)
LayoutManager2
getLayoutAlignmentY
in interface LayoutManager2
public void invalidateLayout(Container target)
LayoutManager2
invalidateLayout
in interface LayoutManager2
Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2022, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.