br.uff.puro.dct
Class LineNumberedBorder

java.lang.Object
  javax.swing.border.AbstractBorder
      br.uff.puro.dct.LineNumberedBorder

All Implemented Interfaces:

java.io.Serializable, javax.swing.border.Border

public class LineNumberedBorder
extends javax.swing.border.AbstractBorder

Draws line numbers next to each line, in the same font as the text. Currently, this can only be used with a JTextArea , since it relies on the getRows() and getLineCount() methods. A possible extension, create an interface to return this rows/linecount.

See Also:

Serialized Form

Field Summary

static int	LEFT_JUSTIFY The line number should be left justified.
static int	LEFT_SIDE The line numbers should be drawn on the left side of the component.
static int	RIGHT_JUSTIFY The line number should be right justified.
static int	RIGHT_SIDE The line numbers should be drawn on the right side of the component.

Constructor Summary

LineNumberedBorder(int location, int justify)

Method Summary

java.awt.Insets	getBorderInsets(java.awt.Component c)
java.awt.Insets	getBorderInsets(java.awt.Component c, java.awt.Insets insets) This modifies the insets, by adding space for the line number on the left.
int	getLineNumberJustification()
int	getLocation()
void	paintBorder(java.awt.Component c, java.awt.Graphics g, int x, int y, int width, int height)
void	setLineNumberJustification(int justify)
void	setLocation(int loc)

Methods inherited from class javax.swing.border.AbstractBorder

getBaseline, getBaselineResizeBehavior, getInteriorRectangle, getInteriorRectangle, isBorderOpaque

Methods inherited from class java.lang.Object

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

Field Detail

LEFT_SIDE

public static int LEFT_SIDE

The line numbers should be drawn on the left side of the component.

RIGHT_SIDE

public static int RIGHT_SIDE

The line numbers should be drawn on the right side of the component.

RIGHT_JUSTIFY

public static int RIGHT_JUSTIFY

The line number should be right justified.

LEFT_JUSTIFY

public static int LEFT_JUSTIFY

The line number should be left justified.

Constructor Detail

LineNumberedBorder

public LineNumberedBorder(int location,
                          int justify)

Method Detail

getBorderInsets

public java.awt.Insets getBorderInsets(java.awt.Component c)

Specified by:

getBorderInsets in interface javax.swing.border.Border

Overrides:

getBorderInsets in class javax.swing.border.AbstractBorder

getBorderInsets

public java.awt.Insets getBorderInsets(java.awt.Component c,
                                       java.awt.Insets insets)

This modifies the insets, by adding space for the line number on the left. Should be modified to add space on the right, depending upon Locale.

Overrides:

getBorderInsets in class javax.swing.border.AbstractBorder

Parameters:

c - Description of the Parameter

insets - Description of the Parameter

Returns:

The borderInsets value

getLineNumberJustification

public int getLineNumberJustification()

setLineNumberJustification

public void setLineNumberJustification(int justify)

getLocation

public int getLocation()

setLocation

public void setLocation(int loc)

paintBorder

public void paintBorder(java.awt.Component c,
                        java.awt.Graphics g,
                        int x,
                        int y,
                        int width,
                        int height)

Specified by:

paintBorder in interface javax.swing.border.Border

Overrides:

paintBorder in class javax.swing.border.AbstractBorder