com.alee.painter.common.NinePatchIconPainter Maven / Gradle / Ivy

Go to download
/*
 * 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.painter.common;

import com.alee.managers.style.Bounds;
import com.alee.painter.AbstractPainter;
import com.alee.utils.ninepatch.NinePatchIcon;

import javax.swing.*;
import javax.swing.plaf.ComponentUI;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.net.URL;

/**
 * Custom painter for 9-patch icon.
 *
 * @param  component type
 * @param  component UI type
 * @author Mikle Garin
 * @see com.alee.utils.ninepatch.NinePatchIcon
 * @see com.alee.painter.AbstractPainter
 * @see com.alee.painter.Painter
 */

public class NinePatchIconPainter extends AbstractPainter
{
    /**
     * 9-patch icon to paint.
     */
    protected NinePatchIcon icon;

    /**
     * Constructs new 9-patch icon painter.
     */
    public NinePatchIconPainter ()
    {
        this ( ( NinePatchIcon ) null );
    }

    /**
     * Constructs new 9-patch icon painter.
     *
     * @param url 9-patch image URL
     */
    public NinePatchIconPainter ( final URL url )
    {
        this ( new NinePatchIcon ( url ) );
    }

    /**
     * Constructs new 9-patch icon painter.
     *
     * @param path 9-patch image path
     */
    public NinePatchIconPainter ( final String path )
    {
        this ( new NinePatchIcon ( path ) );
    }

    /**
     * Constructs new 9-patch icon painter.
     *
     * @param imageIcon 9-patch image icon
     */
    public NinePatchIconPainter ( final ImageIcon imageIcon )
    {
        this ( new NinePatchIcon ( imageIcon ) );
    }

    /**
     * Constructs new 9-patch icon painter.
     *
     * @param image 9-patch image
     */
    public NinePatchIconPainter ( final Image image )
    {
        this ( new NinePatchIcon ( image ) );
    }

    /**
     * Constructs new 9-patch icon painter.
     *
     * @param bufferedImage 9-patch image
     */
    public NinePatchIconPainter ( final BufferedImage bufferedImage )
    {
        this ( new NinePatchIcon ( bufferedImage ) );
    }

    /**
     * Constructs new 9-patch icon painter.
     *
     * @param icon 9-patch icon
     */
    public NinePatchIconPainter ( final NinePatchIcon icon )
    {
        super ();
        setNinePatchIcon ( icon );
    }

    /**
     * Returns painted 9-patch icon.
     *
     * @return painted 9-patch icon
     */
    public NinePatchIcon getNinePatchIcon ()
    {
        return icon;
    }

    /**
     * Sets painted 9-patch icon.
     *
     * @param icon painted 9-patch icon
     */
    public void setNinePatchIcon ( final NinePatchIcon icon )
    {
        if ( this.icon != null && isInstalled () )
        {
            this.icon.setComponent ( null );
        }
        this.icon = icon;
        if ( this.icon != null && isInstalled () )
        {
            this.icon.setComponent ( component );
        }
        updateAll ();
    }

    @Override
    protected void installPropertiesAndListeners ()
    {
        super.installPropertiesAndListeners ();
        installIconComponent ();
    }

    @Override
    protected void uninstallPropertiesAndListeners ()
    {
        uninstallIconComponent ();
        super.uninstallPropertiesAndListeners ();
    }

    /**
     * Attaches {@link NinePatchIcon} to {@link JComponent} used by this UI.
     */
    protected void installIconComponent ()
    {
        if ( icon != null )
        {
            icon.setComponent ( component );
        }
    }

    /**
     * Detaches {@link NinePatchIcon} from {@link JComponent} used by this UI.
     */
    protected void uninstallIconComponent ()
    {
        if ( icon != null )
        {
            icon.setComponent ( null );
        }
    }

    @Override
    protected Insets getBorder ()
    {
        return icon != null ? icon.getMargin () : null;
    }

    @Override
    public void paint ( final Graphics2D g2d, final C c, final U ui, final Bounds bounds )
    {
        if ( icon != null )
        {
            icon.paintIcon ( g2d, bounds.get () );
        }
    }

    @Override
    public Dimension getPreferredSize ()
    {
        return icon != null ? icon.getPreferredSize () : super.getPreferredSize ();
    }
}