java.awt
Class GridLayout

java.lang.Object
  |
  +--java.awt.GridLayout

All Implemented Interfaces:

LayoutManager

public class GridLayout

extends Object

implements LayoutManager

A layout manager for a container that lays out grids.

Constructor Summary

GridLayout(int rows, int cols)
Creates a grid layout with the specified rows and columns.

GridLayout(int rows, int cols, int hgap, int vgap)
Creates a grid layout with the specified rows, columns, horizontal gap, and vertical gap.

Method Summary

void	addLayoutComponent(String name, Component comp) Adds the specified component with the specified name to the layout.
void	layoutContainer(Container parent) Lays out the container in the specified panel.
Dimension	minimumLayoutSize(Container parent) Returns the minimum dimensions needed to layout the components contained in the specified panel.
Dimension	preferredLayoutSize(Container parent) Returns the preferred dimensions for this layout given the components int the specified panel.
void	removeLayoutComponent(Component comp) Removes the specified component from the layout.
String	toString() Returns the String representation of this GridLayout's values.

Methods inherited from class java.lang.Object

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

Constructor Detail

GridLayout

public GridLayout(int rows,
                  int cols)

Creates a grid layout with the specified rows and columns.

Parameters:

rows - the rows

cols - the columns

GridLayout

public GridLayout(int rows,
                  int cols,
                  int hgap,
                  int vgap)

Creates a grid layout with the specified rows, columns, horizontal gap, and vertical gap.

Parameters:

rows - the rows; zero means 'any number.'

cols - the columns; zero means 'any number.' Only one of 'rows' and 'cols' can be zero, not both.

hgap - the horizontal gap variable

vgap - the vertical gap variable

Throws:

IllegalArgumentException - If the rows and columns are invalid.

Method Detail

addLayoutComponent

public void addLayoutComponent(String name,
                               Component comp)

Adds the specified component with the specified name to the layout.

Specified by:

addLayoutComponent in interface LayoutManager

Parameters:

name - the name of the component

comp - the component to be added

removeLayoutComponent

public void removeLayoutComponent(Component comp)

Removes the specified component from the layout. Does not apply.

Specified by:

removeLayoutComponent in interface LayoutManager

Parameters:

comp - the component to be removed

preferredLayoutSize

public Dimension preferredLayoutSize(Container parent)

Returns the preferred dimensions for this layout given the components int the specified panel.

Specified by:

preferredLayoutSize in interface LayoutManager

Parameters:

parent - the component which needs to be laid out

See Also:

minimumLayoutSize(java.awt.Container)

minimumLayoutSize

public Dimension minimumLayoutSize(Container parent)

Returns the minimum dimensions needed to layout the components contained in the specified panel.

Specified by:

minimumLayoutSize in interface LayoutManager

Parameters:

parent - the component which needs to be laid out

See Also:

preferredLayoutSize(java.awt.Container)

layoutContainer

public void layoutContainer(Container parent)

Lays out the container in the specified panel.

Specified by:

layoutContainer in interface LayoutManager

Parameters:

parent - the specified component being laid out

See Also:

Container

toString

public String toString()

Returns the String representation of this GridLayout's values.

Overrides:

toString in class Object