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/*******************************************************************************
* Copyright (c) 2014 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.gui;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.Shape;
import javax.swing.text.BadLocationException;
import javax.swing.text.Highlighter;
import javax.swing.text.JTextComponent;
public class BoxHighlightPainter implements Highlighter.HighlightPainter
{
private static final Color FillColor = new Color( 230, 230, 230 );
private static final Color BorderColor = new Color( 100, 100, 100 );
@Override
public void paint( Graphics g, int start, int end, Shape shape, JTextComponent text )
{
try
{
// determine the bounds of the text
Rectangle bounds = text.getUI().modelToView( text, start ).union( text.getUI().modelToView( text, end ) );
// adjust the box so it looks nice
bounds.x -= 2;
bounds.width += 2;
bounds.y += 1;
bounds.height -= 2;
// fill the area
g.setColor( FillColor );
g.fillRoundRect( bounds.x, bounds.y, bounds.width, bounds.height, 4, 4 );
// draw a box around the area
g.setColor( BorderColor );
g.drawRoundRect( bounds.x, bounds.y, bounds.width, bounds.height, 4, 4 );
}
catch( BadLocationException ex )
{
throw new Error( ex );
}
}
}
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