/*

 * 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.util.swing.layout;

import java.awt.*;

import javax.swing.*;

import javax.swing.border.LineBorder;

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

public class RowLayout extends AbstractTableLayout<RowLayoutConstraint> {

    //

    // Static data

    //

    // Defaults, if not specified

    protected static final HorizontalAnchor DEFAULT_ANCHOR =

	HorizontalAnchor.LEFT;

    protected static final RowLayoutConstraint DEFAULT_CONSTRAINT =

	new RowLayoutConstraint();

    //

    // Instance data

    //

    private HorizontalAnchor hAnchor;

    //

    // Constructors

    //

    /**

     * Constructs a {@code RowLayout} with the given horizontal

     * anchor.

     *

     * @param	    hAnchor

     *		    the horizontal anchor to use when positioning components

     *		    in a container with extra space.

     */

    public RowLayout(HorizontalAnchor hAnchor) {

	super(hAnchor, VerticalAnchor.FILL, DEFAULT_CONSTRAINT);

	setHorizontalAnchor(hAnchor);

    }

    /**

     * Constructs a {@code RowLayout} with the default horizontal

     * anchor ({@code HorizontalAnchor.LEFT}).

     */

    public RowLayout() {

	this(DEFAULT_ANCHOR);

    }

    //

    // ConstrainedLayout methods

    //

    @Override

    public RowLayoutConstraint cloneConstraint(

	RowLayoutConstraint constraint) {

	return constraint.clone();

    }

    //

    // AbstractTableLayout methods

    //

    @Override

    protected AbstractTableConstraint getColumnConstraint(

	Container container, int col) {

	Component[] comps = getLayoutComponents(container.getComponents());

	return compToConst.get(comps[col]);

    }

    @Override

    protected AbstractTableConstraint getRowConstraint(

	Container container, int row) {

	return new SimpleTableConstraint();

    }

    @Override

    protected int getColumnCount(Container container) {

	Component[] comps = getLayoutComponents(container.getComponents());

	return comps.length;

    }

    //

    // Static methods

    //

    /**

     * Unit test/example usage.

     */

    public static void main(String[] args) {

	JFrame frame = new JFrame();

	Container contentPane = frame.getContentPane();

	contentPane.setBackground(ColorUtil.getRandomColor());

	HorizontalAnchor[] allHAnchors = HorizontalAnchor.values();

	VerticalAnchor[] allVAnchors = VerticalAnchor.values();

	frame.setLayout(new GridLayout(

	    allHAnchors.length + allVAnchors.length - 1, 1, 15, 15));

	for (HorizontalAnchor rowAnchor : allHAnchors) {

	    HorizontalAnchor[] hAnchors = rowAnchor == HorizontalAnchor.FILL ?

		allHAnchors : new HorizontalAnchor[] { HorizontalAnchor.FILL };

	    for (HorizontalAnchor hAnchor : hAnchors) {

		RowLayout layout = new RowLayout(rowAnchor);

		JPanel p = new JPanel(layout);

		p.setBackground(ColorUtil.getRandomColor());

		int gap = 0;

		int weight = 0;

		for (VerticalAnchor vAnchor : allVAnchors) {

		    RowLayoutConstraint constraint =

			new RowLayoutConstraint(hAnchor, vAnchor, gap, weight);

		    gap += 5;

		    weight++;

		    JComponent c = new JTextArea(String.format(

			"Row: %s\n" +

			"Element (h, v): %s, %s\n" +

			"Weight: %f, Gap: %d",

			rowAnchor, constraint.getHorizontalAnchor(),

			constraint.getVerticalAnchor(), constraint.getWeight(),

			constraint.getGap()));

		    c.setBorder(new LineBorder(Color.black, 1));

		    p.add(c, constraint);

		}

		contentPane.add(p);

	    }

	}

	GraphicsEnvironment env =

	    GraphicsEnvironment.getLocalGraphicsEnvironment();

	Rectangle bounds = env.getMaximumWindowBounds();

	frame.setSize(bounds.width, bounds.height);

	frame.setVisible(true);

    }

}