psdi.webclient.applet.wfcanvas.diagram

Class Line

java.lang.Object

psdi.webclient.applet.wfcanvas.diagram.Line

All Implemented Interfaces:

java.lang.Comparable

public class Line
extends java.lang.Object
implements java.lang.Comparable

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	CLOSE Distance in pixels to be close to the line
protected static int	HORIZONTAL
protected static int	OTHER
protected DiagramWorkflowRelationship	rel
protected int	type
protected static int	VERTICAL
protected int	x1
protected int	x2
protected int	y1
protected int	y2

Constructor Summary

Constructors

Constructor and Description
Line(DiagramWorkflowRelationship rel, int x1, int y1, int x2, int y2) Constructs a line

Method Summary

Modifier and Type	Method and Description
int	compareTo(java.lang.Object o) Compares 2 relationships for the Comparable interface
DiagramWorkflowRelationship	getRelationship() Returns the relationship
int	getType() Returns the line type
java.awt.Point	intersect(Line line) Returns the intersets point of 2 lines
boolean	isClose(java.awt.Point point) Returns true if the point is close to the line
boolean	overlap(Line line) Returns whether or not the 2 lines overlap
java.lang.String	toString() Returns the string representation of the line

Methods inherited from class java.lang.Object

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

Field Detail

x1

protected int x1

x2

protected int x2

y1

protected int y1

y2

protected int y2

type

protected int type

rel

protected DiagramWorkflowRelationship rel

HORIZONTAL

protected static final int HORIZONTAL

See Also:

Constant Field Values

VERTICAL

protected static final int VERTICAL

See Also:

Constant Field Values

OTHER

protected static final int OTHER

See Also:

Constant Field Values

CLOSE

protected static final int CLOSE

Distance in pixels to be close to the line

See Also:

Constant Field Values

Constructor Detail

Line

public Line(DiagramWorkflowRelationship rel,
            int x1,
            int y1,
            int x2,
            int y2)

Constructs a line

Parameters:

rel - The workflow realtionship the line belongs to

x1 - The starting x-ccordinate

y1 - The starting y-ccordinate

x2 - The ending x-ccordinate

y2 - The ending x-ccordinate

Method Detail

getType

public int getType()

Returns the line type

Returns:

The line type - HORIZONTAL,VERTICAL or OTHER

getRelationship

public DiagramWorkflowRelationship getRelationship()

Returns the relationship

Returns:

The relationship

compareTo

public int compareTo(java.lang.Object o)

Compares 2 relationships for the Comparable interface

Specified by:

compareTo in interface java.lang.Comparable

Parameters:

o - The object to compare to

Returns:

negative value if less than passed object,zero if equals and positive value if greater

isClose

public boolean isClose(java.awt.Point point)

Returns true if the point is close to the line

Parameters:

point - The point to test

Returns:

true if close (within 2 pixels) false otherwise

overlap

public boolean overlap(Line line)

Returns whether or not the 2 lines overlap

Parameters:

line - The line to find overlap with

Returns:

True if overlap false otherwise

intersect

public java.awt.Point intersect(Line line)

Returns the intersets point of 2 lines

Parameters:

line - The line to find intersection with

Returns:

The intersection point or null if no intersection

toString

public java.lang.String toString()

Returns the string representation of the line

Overrides:

toString in class java.lang.Object

Returns:

The string representation