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	/*
	* Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/
	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
	*/
	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 insets) {
	Insets retI = super.getBorderInsets(c, insets);

	retI.left += commentPadding;
	retI.right += commentPadding;
	return retI;
	}

	public boolean isBorderOpaque() {
	return false;
	}
	} // End of class CommentView.CommentBorder
	} // End of CommentView

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