org.brains2b.util

Class GuiHelper

java.lang.Object

org.brains2b.util.GuiHelper

public class GuiHelper
extends java.lang.Object

Static help function for GUI related items

Version:

1.10.1 [03-10-2007]

Author:

Dennis Groenendijk

Method Summary

Modifier and Type	Method and Description
static java.awt.Dimension	decodeDimension(java.lang.String dim) Create a Rectangle from a String encoded as "width,height"
static java.awt.Rectangle	decodeRectangle(java.lang.String rectangle) Create a Rectangle from a String encoded as "x,y,width,height"
static java.lang.String	encodeDimension(java.awt.Dimension d) Write a Dimension as a String encoded as "width,height"
static java.lang.String	encodeRectangle(java.awt.Rectangle r) Write a Rectangle as a String encoded as "x,y,width,height"
static javax.swing.JComponent	findComponent(java.awt.Container panel, java.lang.String name) find a JComponent by name in a Container
static float	getBrightness(java.awt.Color c) get a float representing the brightness of a Color
static int	getWidth(java.lang.String str) Deprecated. Does not return stable information between JDK's
static int	getWidth(java.lang.String str, int width) Deprecated. Does not return stable information between JDK's
static boolean	isColor(java.lang.String value) check if a value supplied as a String contains the information to be used as a Color
static boolean	isFont(java.lang.String value) check if a value supplied as a String contains the information to be used as a Font
static java.awt.Rectangle	setMiddle(java.awt.Rectangle target, java.awt.Rectangle source) Calculates Middle for a target from a source

Methods inherited from class java.lang.Object

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

Method Detail

setMiddle

public static java.awt.Rectangle setMiddle(java.awt.Rectangle target,
                                           java.awt.Rectangle source)

Calculates Middle for a target from a source

Parameters:

target - java.awt.Rectangle

source - java.awt.Rectangle

Returns:

java.awt.Rectangle

Throws:

java.lang.IllegalArgumentException - if either source or target is null

decodeDimension

public static final java.awt.Dimension decodeDimension(java.lang.String dim)

Create a Rectangle from a String encoded as "width,height"

Parameters:

dim - String

Returns:

Rectangle

decodeRectangle

public static final java.awt.Rectangle decodeRectangle(java.lang.String rectangle)

Create a Rectangle from a String encoded as "x,y,width,height"

Parameters:

rectangle - String

Returns:

Rectangle

encodeRectangle

public static final java.lang.String encodeRectangle(java.awt.Rectangle r)

Write a Rectangle as a String encoded as "x,y,width,height"

Parameters:

r - Rectangle

Returns:

String

See Also:

decodeRectangle(String)

encodeDimension

public static final java.lang.String encodeDimension(java.awt.Dimension d)

Write a Dimension as a String encoded as "width,height"

Parameters:

d - Dimension

Returns:

String

See Also:

decodeDimension(String)

getWidth

@Deprecated
public static int getWidth(java.lang.String str)

Deprecated. Does not return stable information between JDK's

Calculates Width in pixels on the basis of String The default font from a Swing component is used get the necessary metrics.

Parameters:

str - String

getWidth

@Deprecated
public static int getWidth(java.lang.String str,
                                       int width)

Deprecated. Does not return stable information between JDK's

Calculates the width in pixels of a given string and return the longer of the string length or the given width.

Parameters:

str - String

isColor

public static boolean isColor(java.lang.String value)

check if a value supplied as a String contains the information to be used as a Color

Parameters:

value - String, the value to be used as Color

Returns:

true if the value can be used as a color, false otherwise

Since:

TwelBox 0.33

getBrightness

public static final float getBrightness(java.awt.Color c)

get a float representing the brightness of a Color

Parameters:

c - Color

Returns:

float representing the brightness

isFont

public static boolean isFont(java.lang.String value)

check if a value supplied as a String contains the information to be used as a Font

Parameters:

value - String, the value to be used as Font

Returns:

true if the value can be used as a Font, false otherwise

Since:

TwelBox 0.33

findComponent

public static final javax.swing.JComponent findComponent(java.awt.Container panel,
                                                         java.lang.String name)

find a JComponent by name in a Container

Parameters:

panel - Container

name - String name of JComponent

Returns:

JComponent