/*

 * 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

 */

/*

 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.

 */

package com.oracle.solaris.vp.panel.swing.view;

import java.awt.Color;

import javax.swing.*;

import javax.swing.event.DocumentEvent;

import com.oracle.solaris.vp.util.misc.finder.Finder;

import com.oracle.solaris.vp.util.swing.*;

/**

 * A simple live filter entry box.  Could be extended to track history,

 * sport a clear button, etc.  For now it is just a JTextField.

 */

public class FilterField extends Box

{

    private static final Color COLOR_UNMATCHED =

	ColorUtil.lighter(Color.RED, .9f);

    private JTextField field_;

    private String text_ = "";

    private FilterListener listener_ = null;

    public interface FilterListener

    {

	public void filterUpdate(FilterField field);

    }

    public FilterField(int columns)

    {

	super(BoxLayout.LINE_AXIS);

	setOpaque(false);

	JLabel label = new JLabel(Finder.getString(

	    "objects.header.filter.label"));

	field_ = new JTextField();

	field_.setColumns(columns);

	field_.getDocument().addDocumentListener(new DocumentAdapter() {

	    @Override

	    public void docUpdate(DocumentEvent e)

	    {

		text_ = field_.getText();

		update();

	    }

	});

	add(label);

	add(createHorizontalStrut(GUIUtil.getHalfGap()));

	add(field_);

    }

    public String getText()

    {

	return (text_);

    }

    public void setFilterListener(FilterListener listener)

    {

	listener_ = listener;

    }

    private void update()

    {

	if (listener_ != null)

	    listener_.filterUpdate(this);

    }

    public void setUnmatched(boolean unmatched)

    {

	if (unmatched)

	    field_.setBackground(COLOR_UNMATCHED);

	else

	    field_.setBackground(null);

    }

}