com.physpics.tools.ui

Enum DragRect.Side

java.lang.Object

java.lang.Enum<DragRect.Side>

com.physpics.tools.ui.DragRect.Side

All Implemented Interfaces:

Serializable, java.lang.Comparable<DragRect.Side>

Enclosing class:

DragRect

protected static enum DragRect.Side
extends java.lang.Enum<DragRect.Side>

There is one Side enum value for each possible side: left, top, right, bottom. A Side handles drawing and mouse hits.

Enum Constant Summary

Enum Constants

Enum Constant and Description
BOTTOM
LEFT
RIGHT
TOP

Method Summary

Modifier and Type	Method and Description
protected void	draw(java.awt.Graphics2D g2, java.awt.Rectangle r, java.awt.Color col, int j) Draw The edge for the j'th ring around the rectangle.
protected int	hit(java.awt.Point p, java.awt.Rectangle r) check for a mouse hit within a rectangle.
static DragRect.Side	valueOf(java.lang.String name) Returns the enum constant of this type with the specified name.
static DragRect.Side[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

LEFT

public static final DragRect.Side LEFT

TOP

public static final DragRect.Side TOP

RIGHT

public static final DragRect.Side RIGHT

BOTTOM

public static final DragRect.Side BOTTOM

Method Detail

values

public static DragRect.Side[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (DragRect.Side c : DragRect.Side.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static DragRect.Side valueOf(java.lang.String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

java.lang.IllegalArgumentException - if this enum type has no constant with the specified name

java.lang.NullPointerException - if the argument is null

draw

protected void draw(java.awt.Graphics2D g2,
                    java.awt.Rectangle r,
                    java.awt.Color col,
                    int j)

Draw The edge for the j'th ring around the rectangle.

Parameters:

g2 - Graphic for drawing

r - The rectangle to draw

col - Color to draw it in

j - Index of rings round the actual edge: -1 (outside), 0 (the rectangle itself), 1 (first inner ring), or 2 (2nd inner ring)

hit

protected int hit(java.awt.Point p,
                  java.awt.Rectangle r)

check for a mouse hit within a rectangle. if hit, return the mask value The rectangle is slightly enlarged to detect hits that are "close"

Parameters:

p - a Point in mousable space

r - a Rectangle in the same space

Returns:

True if mouse hit within the rectangle