oracle.dacf.layout
Class RowLayout

java.lang.Object
  oracle.dacf.layout.LayoutManager3
      oracle.dacf.layout.RowLayout

All Implemented Interfaces:

java.awt.LayoutManager, java.awt.LayoutManager2

public final class RowLayout

extends LayoutManager3

A row layout is one in which objects are placed one after the other until there is no more room in the row, at which point a new row is begun. Control placement is subject to positioning information provided in a ControlConstraints object. Unlike Java's FlowLayout, RowLayout can also place te controls from right to left.

Version:

PUBLIC

See Also:

LayoutManager, LayoutManager3

Field Summary

static int	LEFT_TO_RIGHT Layout the controls from left to right.
static int	RIGHT_TO_LEFT Layout the controls from right to left.

Fields inherited from class oracle.dacf.layout.LayoutManager3

SIZE_MAXIMUM, SIZE_MINIMUM, SIZE_PREFERRED

Constructor Summary

RowLayout()
Parameterless class constructor.

RowLayout(int direction)
Class constructor which specifies the arrangement of controls.

Method Summary

static int	convertDirection(java.lang.String text) Convert a string representation of an direction value to an integer.
int	getDirection() Getter for the layout direction.
void	layoutContainer(java.awt.Container parent) Lays out the container in the specified panel.
protected java.awt.Dimension	layoutSize(java.awt.Container parent, int type) Computes the indicated container size dimensions.
void	setDirection(int direction) Setter for the layout direction.
java.lang.String	toString() Generates a String which holds the settings of this layout manager in a human readable form.

Methods inherited from class oracle.dacf.layout.LayoutManager3

addLayoutComponent, addLayoutComponent, findConstraints, getComponentBounds, getLayoutAlignmentX, getLayoutAlignmentY, invalidateLayout, maximumLayoutSize, minimumLayoutSize, preferredLayoutSize, removeLayoutComponent

Methods inherited from class java.lang.Object

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

Field Detail

LEFT_TO_RIGHT

public static final int LEFT_TO_RIGHT

Layout the controls from left to right.

See Also:

Constant Field Values

RIGHT_TO_LEFT

public static final int RIGHT_TO_LEFT

Layout the controls from right to left.

See Also:

Constant Field Values

Constructor Detail

RowLayout

public RowLayout()

Parameterless class constructor.

RowLayout

public RowLayout(int direction)

Class constructor which specifies the arrangement of controls.

Parameters:

direction - layout of controls within the container

Method Detail

convertDirection

public static int convertDirection(java.lang.String text)
                            throws java.lang.IllegalArgumentException

Convert a string representation of an direction value to an integer.

Parameters:

text - string representation of an direction constant

Returns:

integer value corresponding to the text passed in

Throws:

java.lang.IllegalArgumentException - if the string passed in is not a valid direction value

getDirection

public int getDirection()

Getter for the layout direction.

Returns:

the current layout direction

layoutContainer

public void layoutContainer(java.awt.Container parent)

Lays out the container in the specified panel.

Specified by:

layoutContainer in interface java.awt.LayoutManager

Specified by:

layoutContainer in class LayoutManager3

Parameters:

parent - component which needs to be laid out

See Also:

LayoutManager3.layoutContainer(java.awt.Container)

setDirection

public void setDirection(int direction)

Setter for the layout direction.

Parameters:

direction - the new layout direction

toString

public java.lang.String toString()

Generates a String which holds the settings of this layout manager in a human readable form. The ControlLayoutEditor relies on this method.

Returns:

a String representing this object's value.

See Also:

ControlLayoutEditor

layoutSize

protected java.awt.Dimension layoutSize(java.awt.Container parent,
                                        int type)

Computes the indicated container size dimensions.

Specified by:

layoutSize in class LayoutManager3

Parameters:

parent - container to be laid out

type - _MINIMUM, _MAXIMUM or _PREFERRED

Returns:

Dimension object with the container's requested size

See Also:

LayoutManager3.layoutSize(java.awt.Container, int)