Chapter 19
java.awt Reference

GridLayout

Name

GridLayout

[Graphic: Figure from the text]

Description

The GridLayout LayoutManager provides the means to layout components in a grid of rows and columns.

Class Definition

public class java.awt.GridLayout
        extends java.lang.Object
        implements java.awt.LayoutManager, java.io.Serializable
 {
  
// Constructors
  public GridLayout(); 
  public GridLayout (int rows, int cols);
  public GridLayout (int rows, int cols, int hgap, int vgap);
  
// Instance Methods
  public void addLayoutComponent (String name, Component component);
  public int getColumns(); 
  public int getHgap(); 
  public int getRows(); 
 
  public int getVgap(); 
  public void layoutContainer (Container target); 
  public Dimension minimumLayoutSize (Container target); 
  public Dimension preferredLayoutSize (Container target); 
  public void removeLayoutComponent (Component component); 
  public int setColumns(int cols); 
  public int setHgap(int hgap); 
  public int setRows(int rows); 
 
  public int setVgap(int vgap); 
  public String toString();
}

Constructors

GridLayout

public GridLayout()

Description: Constructs a GridLayout object with a default single row and one column per component.

public GridLayout (int rows, int cols)

Parameters

rows

Requested number of rows in container.

cols

Requested number of columns in container.

Description

Constructs a GridLayout object with the requested number of rows and columns. Note that the actual number of rows and columns depends on the number of objects in the layout, not the constructor's parameters.

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

Parameters

rows

Requested number of rows in container.

cols

Requested number of columns in container.

hgap

Horizontal space between each component in a row.

vgap

Vertical space between each row.

Description

Constructs a GridLayout object with the requested number of rows and columns and the values specified as the gaps between each component. Note that the actual number of rows and columns depends on the number of objects in the layout, not the constructor's parameters.