/* * @(#)CommentView.java	1.13 04/03/05 * * Copyright 2004 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */package javax.swing.text.html;import java.awt.*;import java.awt.event.*;import java.io.*;import java.net.MalformedURLException;import java.net.URL;import javax.swing.text.*;import javax.swing.*;import javax.swing.border.*;import javax.swing.event.*;import java.util.*;/** * CommentView subclasses HiddenTagView to contain a JTextArea showing * a comment. When the textarea is edited the comment is * reset. As this inherits from EditableView if the JTextComponent is * not editable, the textarea will not be visible. * * @author  Scott Violet * @version 1.13, 03/05/04 */class CommentView extends HiddenTagView {    CommentView(Element e) {	super(e);    }    protected Component createComponent() {        Container host = getContainer();        if (host != null && !((JTextComponent)host).isEditable()) {            return null;        }	JTextArea ta = new JTextArea(getRepresentedText());	Document doc = getDocument();	Font font;	if (doc instanceof StyledDocument) {	    font = ((StyledDocument)doc).getFont(getAttributes());	    ta.setFont(font);	}	else {	    font = ta.getFont();	}	updateYAlign(font);	ta.setBorder(CBorder);	ta.getDocument().addDocumentListener(this);	ta.setFocusable(isVisible());	return ta;    }    void resetBorder() {    }    /**     * This is subclassed to put the text on the Comment attribute of     * the Element's AttributeSet.     */    void _updateModelFromText() {	JTextComponent textC = getTextComponent();	Document doc = getDocument();	if (textC != null && doc != null) {	    String text = textC.getText();	    SimpleAttributeSet sas = new SimpleAttributeSet();	    isSettingAttributes = true;	    try {		sas.addAttribute(HTML.Attribute.COMMENT, text);		((StyledDocument)doc).setCharacterAttributes		    (getStartOffset(), getEndOffset() -		     getStartOffset(), sas, false);	    }	    finally {		isSettingAttributes = false;	    }	}    }    JTextComponent getTextComponent() {	return (JTextComponent)getComponent();    }    String getRepresentedText() {	AttributeSet as = getElement().getAttributes();	if (as != null) {	    Object comment = as.getAttribute(HTML.Attribute.COMMENT);	    if (comment instanceof String) {		return (String)comment;	    }	}	return "";    }    static final Border CBorder = new CommentBorder();    static final int commentPadding = 3;    static final int commentPaddingD = commentPadding * 3;    static class CommentBorder extends LineBorder {	CommentBorder() {	    super(Color.black, 1);	}	public void paintBorder(Component c, Graphics g, int x, int y,				int width, int height) {	    super.paintBorder(c, g, x + commentPadding, y,			      width - commentPaddingD, height);	}	public Insets getBorderInsets(Component c) {	    Insets retI = super.getBorderInsets(c);	    retI.left += commentPadding;	    retI.right += commentPadding;	    return retI;	}	public boolean isBorderOpaque() {	    return false;	}    } // End of class CommentView.CommentBorder} // End of CommentView