com.jivesoftware.spark.component.spelling
Class BackgroundChecker.ZigZagHighlightPainter

java.lang.Object
  com.jivesoftware.spark.component.spelling.BackgroundChecker.ZigZagHighlightPainter

All Implemented Interfaces:

javax.swing.text.Highlighter.HighlightPainter

Enclosing class:

BackgroundChecker

protected class BackgroundChecker.ZigZagHighlightPainter

extends java.lang.Object

implements javax.swing.text.Highlighter.HighlightPainter

HighlightPainter that underlines highlighted text with a zig-zag line.

Field Summary

protected java.awt.Color

color Color used to paint the zig-zag line.

Constructor Summary

BackgroundChecker.ZigZagHighlightPainter()
Constructor.

BackgroundChecker.ZigZagHighlightPainter(java.awt.Color c)
Construct a new ZigZagHighlightPainter.

Method Summary

java.awt.Color	getColor() Obtain the color used to highlight text.
void	paint(java.awt.Graphics g, int start, int end, java.awt.Shape bounds, javax.swing.text.JTextComponent component) Paint the highlight.
void	setColor(java.awt.Color c) Change the color used to highlight text.
protected void	zigzag(java.awt.Graphics g, int xStart, int xEnd, int y) Draw a zig-zag line.

Methods inherited from class java.lang.Object

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

Field Detail

color

protected java.awt.Color color

Color used to paint the zig-zag line.

Constructor Detail

BackgroundChecker.ZigZagHighlightPainter

public BackgroundChecker.ZigZagHighlightPainter(java.awt.Color c)

Construct a new ZigZagHighlightPainter.

Parameters:

c - The color to use when highlighting.

BackgroundChecker.ZigZagHighlightPainter

public BackgroundChecker.ZigZagHighlightPainter()

Constructor.

Method Detail

getColor

public java.awt.Color getColor()

Obtain the color used to highlight text.

Returns:

Color used to highlight text.

paint

public void paint(java.awt.Graphics g,
                  int start,
                  int end,
                  java.awt.Shape bounds,
                  javax.swing.text.JTextComponent component)

Paint the highlight. This method is called by the text component's Highlighter when it's necessary to paint the highlight. Adapted from an example in

Java Swing

by Eckstein, Loy, and Wood.

Specified by:

paint in interface javax.swing.text.Highlighter.HighlightPainter

Parameters:

g - Graphics context to use for painting

start - Offset of the first character in the component's text to highlight

end - Offset of the last character in the component's text to highlight

bounds - Defines the bounds of the component the painter must paint within.

component - The text component to highlight.

setColor

public void setColor(java.awt.Color c)

Change the color used to highlight text.

Parameters:

c - The new color.

zigzag

protected void zigzag(java.awt.Graphics g,
                      int xStart,
                      int xEnd,
                      int y)

Draw a zig-zag line.

Parameters:

g - The graphics context to use when drawing.

xStart - The leftmost part of the line

xEnd - The rightmost part of the line

y - The vertical position of the line.