dsto.dfc.swing.controls
Class ButtonLayout

java.lang.Object
  dsto.dfc.swing.controls.ButtonLayout

All Implemented Interfaces:

LayoutManager, LayoutManager2

public class ButtonLayout
extends Object
implements LayoutManager2

Lays out a row of horizontal buttons neatly.

Version:

$Revision$

Field Summary

static int	ALIGN_BOTTOM
static int	ALIGN_CENTER
static int	ALIGN_LEFT
static int	ALIGN_RIGHT
static int	ALIGN_TOP
static int	DEFAULT_HGAP
static int	DEFAULT_HORIZ_ALIGNMENT
static int	DEFAULT_VERT_ALIGNMENT
protected int	hgap
protected int	horizAlignment
protected int	vertAlignment

Constructor Summary

ButtonLayout()

Method Summary

void	addLayoutComponent(Component comp, Object constraints)
void	addLayoutComponent(String name, Component comp)
protected static int	computeAlignmentOffset(int containerExtent, int extent, int alignment) Compute offset to place a contained extent for a given alignment.
protected Dimension	computeLayout(Container container, boolean placeComponents)
int	getHGap()
int	getHorizAlignment()
float	getLayoutAlignmentX(Container target)
float	getLayoutAlignmentY(Container target)
int	getVertAlignment()
void	invalidateLayout(Container target)
void	layoutContainer(Container parent)
Dimension	maximumLayoutSize(Container target)
Dimension	minimumLayoutSize(Container parent)
Dimension	preferredLayoutSize(Container parent)
void	removeLayoutComponent(Component comp)
void	setHGap(int hgap)
void	setHorizAlignment(int newHorizAlignment)
void	setVertAlignment(int newVertAlignment)

Methods inherited from class java.lang.Object

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

Field Detail

ALIGN_LEFT

public static final int ALIGN_LEFT

See Also:

Constant Field Values

ALIGN_RIGHT

public static final int ALIGN_RIGHT

See Also:

Constant Field Values

ALIGN_CENTER

public static final int ALIGN_CENTER

See Also:

Constant Field Values

ALIGN_TOP

public static final int ALIGN_TOP

See Also:

Constant Field Values

ALIGN_BOTTOM

public static final int ALIGN_BOTTOM

See Also:

Constant Field Values

DEFAULT_HGAP

public static final int DEFAULT_HGAP

See Also:

Constant Field Values

DEFAULT_VERT_ALIGNMENT

public static final int DEFAULT_VERT_ALIGNMENT

See Also:

Constant Field Values

DEFAULT_HORIZ_ALIGNMENT

public static final int DEFAULT_HORIZ_ALIGNMENT

See Also:

Constant Field Values

hgap

protected int hgap

horizAlignment

protected int horizAlignment

vertAlignment

protected int vertAlignment

Constructor Detail

ButtonLayout

public ButtonLayout()

Method Detail

setHGap

public void setHGap(int hgap)

getHGap

public int getHGap()

setVertAlignment

public void setVertAlignment(int newVertAlignment)

getVertAlignment

public int getVertAlignment()

setHorizAlignment

public void setHorizAlignment(int newHorizAlignment)

getHorizAlignment

public int getHorizAlignment()

computeLayout

protected Dimension computeLayout(Container container,
                                  boolean placeComponents)

layoutContainer

public void layoutContainer(Container parent)

Specified by:

layoutContainer in interface LayoutManager

maximumLayoutSize

public Dimension maximumLayoutSize(Container target)

Specified by:

maximumLayoutSize in interface LayoutManager2

preferredLayoutSize

public Dimension preferredLayoutSize(Container parent)

Specified by:

preferredLayoutSize in interface LayoutManager

minimumLayoutSize

public Dimension minimumLayoutSize(Container parent)

Specified by:

minimumLayoutSize in interface LayoutManager

addLayoutComponent

public void addLayoutComponent(Component comp,
                               Object constraints)

Specified by:

addLayoutComponent in interface LayoutManager2

addLayoutComponent

public void addLayoutComponent(String name,
                               Component comp)

Specified by:

addLayoutComponent in interface LayoutManager

removeLayoutComponent

public void removeLayoutComponent(Component comp)

Specified by:

removeLayoutComponent in interface LayoutManager

getLayoutAlignmentX

public float getLayoutAlignmentX(Container target)

Specified by:

getLayoutAlignmentX in interface LayoutManager2

getLayoutAlignmentY

public float getLayoutAlignmentY(Container target)

Specified by:

getLayoutAlignmentY in interface LayoutManager2

invalidateLayout

public void invalidateLayout(Container target)

Specified by:

invalidateLayout in interface LayoutManager2

computeAlignmentOffset

protected static int computeAlignmentOffset(int containerExtent,
                                            int extent,
                                            int alignment)

Compute offset to place a contained extent for a given alignment.

Parameters:

containerExtent - The extent that the sub-extent will be placed in.

extent - The contained sub-extent,

alignment - The extent alignment. One of the ALIGN_* constants.

Returns:

The offset required to align the sub-extent.