/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 */

package org.opensolaris.os.vp.panels.coreadm.client.swing.path;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.text.*;

@SuppressWarnings({"serial"})

public class PathField extends JTextPane implements TokenAttributeSetFactory {

    //

    // Constructors

    //

    public PathField() {

	setStyledDocument(new PathDocument(this));

	setFocusTraversalKeys(

	    KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, null);

	setFocusTraversalKeys(

	    KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, null);

	// Synth doesn't set values in UIManager, so we're forced into this hack

	setBackground(new JTextField().getBackground());

	// setBackground(UIManager.getColor("TextField.background"));

    }

    //

    // TokenAttributeSetFactory methods

    //

    @Override

    public AttributeSet getAttributeSet(String token) {

	MutableAttributeSet attrs = new SimpleAttributeSet();

	Component renderer = new TokenLabel(token);

	renderer.setFont(getFont());

	StyleConstants.setComponent(attrs, renderer);

	return attrs;

    }

    //

    // Component methods

    //

    @Override

    public Dimension getPreferredSize() {

	Dimension d = super.getPreferredSize();

	for (int i = 0, n = getDocument().getLength(); i < n; i++) {

	    Element element = getStyledDocument().getCharacterElement(i);

	    // Is a TokenLabel showing?

	    if (PathDocument.isToken(element)) {

		// Calculated size already accounts for TokenLabel

		return d;

	    }

	    i = element.getEndOffset();

	}

	// No TokenLabel found, so account for its eventual arrival

	Insets insets = TokenLabel.BORDER.getBorderInsets(null);

	d.height += insets.top + insets.bottom;

	return d;

    }

    //

    // JTextComponent methods

    //

    @Override

    public String getText() {

	return ((PathDocument)getDocument()).getText();

    }

    //

    // Static methods

    //

    // XXX - Test, remove

    public static void main(String args[]) {

	final PathField textPane = new PathField();

//	textPane.setFont(new Font("Serif", Font.ITALIC, 36));

	for (String token : PathDocument.TOKENS) {

	    buffer.append(token).append('/');

	}

	textPane.setText(buffer.toString());

	JButton b = new JButton("Print tokens");

	b.addActionListener(

	    new ActionListener() {

		@Override

		public void actionPerformed(ActionEvent e) {

		    System.out.printf("%s\n", textPane.getText());

		}

	    });

	JScrollPane scroll = new TextPaneScrollPane(textPane);

	JPanel p = new JPanel(new BorderLayout());

	p.add(scroll);

	p.setBorder(BorderFactory.createEmptyBorder(15, 15, 15, 15));

	JFrame frame = new JFrame();

	Container c = frame.getContentPane();

	c.setLayout(new BorderLayout());

	c.add(p, BorderLayout.CENTER);

	c.add(b, BorderLayout.SOUTH);

	frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

	frame.pack();

	frame.setVisible(true);

    }

}