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package net.sf.xpontus.view.editor;import javax.swing.text.Element;import javax.swing.text.PlainView;import java.awt.Color;import java.awt.Font;import java.awt.Graphics;import java.awt.Graphics2D;import java.io.Reader;import java.io.StringReader;import java.util.List;import java.util.Map;import javax.swing.text.Element;import javax.swing.text.MutableAttributeSet;import javax.swing.text.PlainView;import javax.swing.text.Segment;import javax.swing.text.Utilities;import net.sf.xpontus.view.editor.syntax.CharStream;import net.sf.xpontus.view.editor.syntax.FastCharStream;import net.sf.xpontus.view.editor.syntax.StyleInfo;import net.sf.xpontus.view.editor.syntax.SyntaxSupport;import net.sf.xpontus.view.editor.syntax.Token;import net.sf.xpontus.view.editor.syntax.TokenMgrError;import net.sf.xpontus.view.editor.syntax.java.JavaParser;/** * A Swing view implementation that colorizes lines of a SyntaxDocument using a * TokenMarker. *  * This class should not be used directly; a SyntaxEditorKit should be used * instead. *  *  * @author Yves Zoundi *  * @version $Id: SyntaxView.java,v 1.1.1.1 2005/12/08 01:34:34 yveszoundi Exp $ */public class SyntaxView2 extends PlainView {	private Segment line;	private Segment seg = new Segment();	private ILexer lexer;	private Color defaultColor = Color.BLACK;	private Map styleMap;	/**	 * @param e	 * @param provider	 * @param lexer	 */	public SyntaxView2(Element e, SyntaxSupport syntaxSupport) {		super(e);		line = new Segment();		this.styleMap = syntaxSupport.getColorProvider().getStyles();		this.lexer = syntaxSupport.getLexer();	}	/*	 * (non-Javadoc)	 * 	 * @see javax.swing.text.PlainView#drawLine(int, java.awt.Graphics, int,	 *      int)	 */	protected void drawLine(int lineIndex, Graphics g, int x, int y) {		Graphics2D g2d = (Graphics2D) g;		g2d.setColor(Color.BLACK);		try {			Element lineElement = getElement().getElement(lineIndex);			int start = lineElement.getStartOffset();			int end = lineElement.getEndOffset();												int last = start;			int realStart;			int thisStart;			boolean gotMatch = false;			Token token = null;			List tokenList = (List)((MutableAttributeSet)lineElement.getAttributes()).getAttribute("tokenList");			for(int i=0;i<tokenList.size();i++){				token = (Token)tokenList.get(i);				int tokenId = token.kind;				gotMatch = true;				int tokenSize = token.image.length();				realStart = token.beginColumn + start;				if (last < realStart) {					g2d.setColor(defaultColor);					g2d.setFont(g2d.getFont().deriveFont(Font.PLAIN));					int middle = Math.abs(realStart - last);					getDocument().getText(last, middle, seg);					x = Utilities.drawTabbedText(seg, x, y, g2d, this, 0);				}				setFont(g2d, tokenId);				/* get segement of text for lexer match */				getDocument().getText(realStart, tokenSize, seg);				thisStart = x;				x = Utilities.drawTabbedText(seg, x, y, g2d, this, 0);				// draw underlines if needed				if (styleMap.containsKey(new Integer(tokenId))) {					StyleInfo m_style;					m_style = (StyleInfo) styleMap.get(new Integer(tokenId));					if (m_style.underlined) {						g2d.drawLine(thisStart, y + 2, x, y + 2);					}				}				last = realStart + tokenSize;			}			g2d.setColor(defaultColor);			g2d.setFont(g2d.getFont().deriveFont(Font.PLAIN));			if ((last < end) && gotMatch) {				// draw text from end of last match to end of segment				getDocument().getText(last, end - last, seg);				x = Utilities.drawTabbedText(seg, x, y, g2d, this, 0);			} else if (!gotMatch) {				// no match - draw whole segment				Utilities.drawTabbedText(line, x, y, g2d, this, 0);			}		} catch (TokenMgrError e) {		    Utilities.drawTabbedText(seg, x, y, g2d, this, 0);		} catch (Exception e) {		}	}	/**	 * @param g2d	 * @param val	 */	private void setFont(Graphics2D g2d, int val) {		g2d.setFont(g2d.getFont().deriveFont(Font.PLAIN));		if (styleMap.containsKey(new Integer(val))) {			StyleInfo style = (StyleInfo) styleMap.get(new Integer(val));			g2d.setColor(style.color);			if (style.bold && style.italic) {				g2d.setFont(g2d.getFont().deriveFont(Font.BOLD | Font.ITALIC));			} else if (style.bold) {				g2d.setFont(g2d.getFont().deriveFont(Font.BOLD));			} else if (style.italic) {				g2d.setFont(g2d.getFont().deriveFont(Font.ITALIC));			}		} else {			g2d.setColor(defaultColor);		}	}}