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WebLaf is a Java Swing Look and Feel and extended components library for cross-platform applications

There is a newer version: 2.2.1

/*
 * This file is part of WebLookAndFeel library.
 *
 * WebLookAndFeel library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * WebLookAndFeel library 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with WebLookAndFeel library.  If not, see .
 */

package com.alee.extended.window;

import javax.swing.*;

/**
 * This enumeration represents possible WebPopOver dialog display ways relative to invoker component.
 * Be aware that left/right direction is affected by WebPopOver component orientation.
 *
 * @author Mikle Garin
 * @see WebPopOver
 */

public enum PopOverDirection
{
    /**
     * Display pop-over above invoker component.
     */
    up,

    /**
     * Display pop-over below invoker component.
     */
    down,

    /**
     * Display pop-over leading to the invoker component.
     * This will also take pop-over component orientation into account.
     */
    left,

    /**
     * Display pop-over trailing to the invoker component.
     * This will also take pop-over component orientation into account.
     */
    right;

    /**
     * Returns directions check priority according to preferred direction.
     *
     * @return directions check priority
     */
    public PopOverDirection[] getPriority ()
    {
        switch ( this )
        {
            case up:
                return new PopOverDirection[]{ up, down, right, left };
            case down:
                return new PopOverDirection[]{ down, up, right, left };
            case left:
                return new PopOverDirection[]{ left, right, down, up };
            case right:
                return new PopOverDirection[]{ right, left, down, up };
        }
        return null;
    }

    /**
     * Returns WebPopOver corner side.
     *
     * @param ltr whether pop-over has LTR orientation or not
     * @return WebPopOver corner side
     */
    public int getCornerSide ( final boolean ltr )
    {
        switch ( this )
        {
            case up:
                return SwingConstants.BOTTOM;
            case down:
                return SwingConstants.TOP;
            case left:
                return ltr ? SwingConstants.RIGHT : SwingConstants.LEFT;
            case right:
                return ltr ? SwingConstants.LEFT : SwingConstants.RIGHT;
        }
        return -1;
    }
}