/*
* 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 <http://www.gnu.org/licenses/>.
*/
package com.alee.managers.style.skin.ninepatch;
import com.alee.managers.focus.DefaultFocusTracker;
import com.alee.managers.focus.FocusManager;
import com.alee.managers.focus.FocusTracker;
import com.alee.managers.style.skin.web.WebLabelPainter;
import com.alee.utils.ninepatch.NinePatchIcon;
import javax.swing.*;
import java.awt.*;
/**
* Base 9-patch painter for JLabel component.
*
* @author Mikle Garin
*/
public class NPLabelPainter<E extends JLabel> extends WebLabelPainter<E>
{
/**
* Style settings.
*/
protected boolean undecorated = false;
protected boolean paintFocus = false;
/**
* Used 9-patch icons.
*/
protected NinePatchIcon backgroundIcon = null;
protected NinePatchIcon focusedBackgroundIcon = null;
/**
* Runtime variables.
*/
protected FocusTracker focusTracker;
protected boolean focused = false;
/**
* Constructs default 9-patch label painter.
* todo Initialize default settings in this constructor?
*/
public NPLabelPainter ()
{
super ();
}
/**
* Constructs 9-patch label painter using the specified background icon.
*
* @param backgroundIcon background 9-patch icon
*/
public NPLabelPainter ( final NinePatchIcon backgroundIcon )
{
super ();
setBackgroundIcon ( backgroundIcon );
}
/**
* Constructs 9-patch label painter using the specified background icons.
*
* @param backgroundIcon background 9-patch icon
* @param focusedBackgroundIcon focused background 9-patch icon
*/
public NPLabelPainter ( final NinePatchIcon backgroundIcon, final NinePatchIcon focusedBackgroundIcon )
{
super ();
setBackgroundIcon ( backgroundIcon );
setFocusedBackgroundIcon ( focusedBackgroundIcon );
}
/**
* {@inheritDoc}
*/
@Override
public void install ( final E c )
{
super.install ( c );
// Installing FocusTracker to keep an eye on focused state
focusTracker = new DefaultFocusTracker ()
{
@Override
public boolean isTrackingEnabled ()
{
return !undecorated && paintFocus;
}
@Override
public void focusChanged ( final boolean focused )
{
NPLabelPainter.this.focused = focused;
repaint ();
}
};
FocusManager.addFocusTracker ( c, focusTracker );
}
/**
* {@inheritDoc}
*/
@Override
public void uninstall ( final E c )
{
// Removing FocusTracker
FocusManager.removeFocusTracker ( focusTracker );
focusTracker = null;
super.uninstall ( c );
}
/**
* Returns whether decoration should be painted or not.
*
* @return true if decoration should be painted, false otherwise
*/
public boolean isUndecorated ()
{
return undecorated;
}
/**
* Sets whether decoration should be painted or not.
*
* @param undecorated whether decoration should be painted or not
*/
public void setUndecorated ( final boolean undecorated )
{
if ( this.undecorated != undecorated )
{
this.undecorated = undecorated;
updateAll ();
}
}
/**
* Returns whether focus should be painted or not.
*
* @return true if focus should be painted, false otherwise
*/
public boolean isPaintFocus ()
{
return paintFocus;
}
/**
* Sets whether focus should be painted or not.
*
* @param paint whether focus should be painted or not
*/
public void setPaintFocus ( final boolean paint )
{
if ( this.paintFocus != paint )
{
this.paintFocus = paint;
updateAll ();
}
}
/**
* Returns background 9-patch icon.
*
* @return background 9-patch icon
*/
public NinePatchIcon getBackgroundIcon ()
{
return backgroundIcon;
}
/**
* Sets background 9-patch icon.
*
* @param icon background 9-patch icon
*/
public void setBackgroundIcon ( final NinePatchIcon icon )
{
this.backgroundIcon = icon;
if ( !undecorated && ( !paintFocus || !focused ) )
{
updateAll ();
}
}
/**
* Returns focused background 9-patch icon.
*
* @return focused background 9-patch icon
*/
public NinePatchIcon getFocusedBackgroundIcon ()
{
return focusedBackgroundIcon;
}
/**
* Sets focused background 9-patch icon.
*
* @param icon focused background 9-patch icon
*/
public void setFocusedBackgroundIcon ( final NinePatchIcon icon )
{
this.focusedBackgroundIcon = icon;
if ( !undecorated && ( paintFocus && focused ) )
{
updateAll ();
}
}
/**
* {@inheritDoc}
*/
@Override
public Insets getMargin ( final E label )
{
final NinePatchIcon backgroundIcon = getCurrentBackgroundIcon ();
return !undecorated && backgroundIcon != null ? backgroundIcon.getMargin () : super.getMargin ( label );
}
/**
* {@inheritDoc}
*/
@Override
public void paint ( final Graphics2D g2d, final Rectangle bounds, final E c )
{
// Paint simple background if undecorated & opaque
if ( undecorated && c.isOpaque () )
{
g2d.setPaint ( c.getBackground () );
g2d.fillRect ( bounds.x, bounds.y, bounds.width, bounds.height );
}
// Painting background decoration
if ( !undecorated )
{
final NinePatchIcon backgroundIcon = getCurrentBackgroundIcon ();
if ( backgroundIcon != null )
{
backgroundIcon.paintIcon ( g2d, bounds );
}
}
// Painting label
super.paint ( g2d, bounds, c );
}
/**
* Returns background 9-patch icon that should be painted right now.
*
* @return background 9-patch icon that should be painted right now
*/
protected NinePatchIcon getCurrentBackgroundIcon ()
{
return focused && focusedBackgroundIcon != null ? focusedBackgroundIcon : backgroundIcon;
}
}