Chapter 19
java.awt Reference

FlowLayout

Name

FlowLayout

[Graphic: Figure from the text]

Description

The FlowLayout LayoutManager provides the means to lay out components in a row by row fashion. As each row fills up, the components continue on the next row.

Class Definition

public class java.awt.FlowLayout
    extends java.lang.Object
    implements java.awt.LayoutManager, java.io.Serializable {
  
  // Constants
  public static final int CENTER;
  public static final int LEFT;
  public static final int RIGHT;
  
  // Constructors
  public FlowLayout();
  public FlowLayout (int alignment);
  public FlowLayout (int alignment, int hgap, int vgap);
  
  // Instance Methods
  public void addLayoutComponent (String name, Component component); 
  public int getAlignment(); 
  public int getHgap(); 
  public int getVgap(); 
  public void layoutContainer (Container target); 
  public Dimension minimumLayoutSize (Container target); 
  public Dimension preferredLayoutSize (Container target); 
  public void removeLayoutComponent (Component component); 
  public void setAlignment (int align); 
  public void setHgap (int hgap); 
  public void setVgap (int vgap); 
  public String toString();
}

Constants

CENTER

public static final int CENTER

The default alignment for a FlowLayout object; rows of components are centered within the container.

LEFT

public static final int LEFT

An alignment for a FlowLayout object; rows of components start on the left side of the container.

RIGHT

public static final int RIGHT

An alignment for a FlowLayout object; rows of components start on the right side of the container.

Constructors

FlowLayout

public FlowLayout()

Description: Constructs a FlowLayout object with CENTER alignment.

public FlowLayout (int alignment)

Parameters

alignment: Alignment of components within the container.

Description

Constructs a FlowLayout object with the given alignment.

public FlowLayout (int alignment, int hgap, int vgap)

Parameters

alignment

Alignment of components within container

hgap

Horizontal space between each component in a row

vgap

Vertical space between each row

Description

Constructs a FlowLayout object with the given alignment and the values specified as the gaps between each component in the container managed by this instance of FlowLayout.