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WebLaf is a Java Swing Look and Feel and extended components library for cross-platform applications
/*
* 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.painter.AbstractPainter;
import com.alee.utils.SwingUtils;
import com.alee.utils.ninepatch.NinePatchIcon;
import javax.swing.*;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicToolBarUI;
import java.awt.*;
import java.util.HashMap;
import java.util.Map;
/**
* This painter class allows you to specify multiply 9-patch images for different component states.
* By default there is support for some standard Swing component states like buttons.
*
* @param component type
* @author Mikle Garin
* @see NinePatchState
* @see com.alee.utils.ninepatch.NinePatchIcon
* @see NinePatchIconPainter
* @see com.alee.painter.AbstractPainter
* @see com.alee.painter.Painter
*/
public class NinePatchStatePainter extends AbstractPainter
{
/**
* todo 1. Move each component support to separate classes?
*/
/**
* Map containing separate 9-patch icons for different component states.
*/
protected Map stateIcons;
/**
* Constructs new 9-patch state painter with empty states.
*/
public NinePatchStatePainter ()
{
super ();
this.stateIcons = new HashMap ();
}
/**
* Constructs new 9-patch state painter with specified state icons.
*
* @param stateIcons state icons map
*/
public NinePatchStatePainter ( final Map stateIcons )
{
super ();
this.stateIcons = stateIcons;
}
/**
* Returns states map.
*
* @return states map
*/
public Map getStateIcons ()
{
return stateIcons;
}
/**
* Sets states map.
*
* @param stateIcons states map
*/
public void setStateIcons ( final Map stateIcons )
{
this.stateIcons = stateIcons;
updateAll ();
}
/**
* Adds painter state.
*
* @param state state to add
* @param ninePatchIcon 9-patch icon
*/
public void addStateIcon ( final String state, final NinePatchIcon ninePatchIcon )
{
stateIcons.put ( state, ninePatchIcon );
updateAll ();
}
/**
* Removes painter state.
*
* @param state state to remove
*/
public void removeStateIcon ( final String state )
{
stateIcons.remove ( state );
updateAll ();
}
/**
* Returns whether at least one state icon is available or not.
*
* @return true if at least one state icon is available, false otherwise
*/
public boolean hasStateIcons ()
{
return stateIcons != null && stateIcons.size () > 0;
}
/**
* Returns whether component is in focused state or not.
*
* @param component component to process
* @return true if component is in focused state, false otherwise
*/
protected boolean isFocused ( final E component )
{
return component.isFocusOwner ();
}
/**
* Returns current state icon for the specified component.
*
* @param component component to process
* @return current state icon
*/
protected NinePatchIcon getComponentBackground ( final E component )
{
return getStateIcon ( component.isEnabled () ? NinePatchState.normal : NinePatchState.disabled );
}
/**
* Returns current state icon for the specified button.
*
* @param button button to process
* @return current state icon
*/
protected NinePatchIcon getButtonBackground ( final AbstractButton button )
{
final ButtonModel bm = button.getModel ();
if ( bm.isPressed () )
{
return getStateIcon ( bm.isSelected () ? NinePatchState.selectedPressed : NinePatchState.pressed );
}
else if ( bm.isSelected () )
{
if ( bm.isEnabled () )
{
return getStateIcon ( bm.isRollover () ? NinePatchState.selectedRollover : NinePatchState.selected );
}
else
{
return getStateIcon ( NinePatchState.selectedDisabled );
}
}
else
{
if ( bm.isEnabled () )
{
return getStateIcon ( bm.isRollover () ? NinePatchState.rollover : NinePatchState.normal );
}
else
{
return getStateIcon ( NinePatchState.disabled );
}
}
}
/**
* Returns current state icon for the specified toolbar.
*
* @param toolbar toolbar to process
* @return current state icon
*/
protected NinePatchIcon getToolBarBackground ( final JToolBar toolbar )
{
if ( toolbar.getUI () instanceof BasicToolBarUI && ( ( BasicToolBarUI ) toolbar.getUI () ).isFloating () )
{
return getStateIcon ( toolbar.isEnabled () ? NinePatchState.floating : NinePatchState.floatingDisabled );
}
else
{
return getStateIcon ( toolbar.isEnabled () ? NinePatchState.normal : NinePatchState.disabled );
}
}
/**
* Returns exact state icon or null if it is not specified.
*
* @param state component state
* @return exact state icon or null if it is not specified
*/
public NinePatchIcon getExactStateIcon ( final String state )
{
return stateIcons.get ( state );
}
/**
* Returns state icon or possible replacement for it.
*
* @param state component state
* @return state icon or possible replacement for it
*/
public NinePatchIcon getStateIcon ( final String state )
{
if ( state.equals ( NinePatchState.normal ) )
{
return stateIcons.containsKey ( state ) ? stateIcons.get ( state ) : null;
}
else if ( state.equals ( NinePatchState.rollover ) )
{
return stateIcons.containsKey ( state ) ? stateIcons.get ( state ) : getStateIcon ( NinePatchState.normal );
}
else if ( state.equals ( NinePatchState.disabled ) )
{
return stateIcons.containsKey ( state ) ? stateIcons.get ( state ) : getStateIcon ( NinePatchState.normal );
}
else if ( state.equals ( NinePatchState.pressed ) )
{
return stateIcons.containsKey ( state ) ? stateIcons.get ( state ) : getStateIcon ( NinePatchState.selected );
}
else if ( state.equals ( NinePatchState.selected ) )
{
return stateIcons.containsKey ( state ) ? stateIcons.get ( state ) : getStateIcon ( NinePatchState.normal );
}
else if ( state.equals ( NinePatchState.selectedRollover ) )
{
return stateIcons.containsKey ( state ) ? stateIcons.get ( state ) : getStateIcon ( NinePatchState.selected );
}
else if ( state.equals ( NinePatchState.selectedDisabled ) )
{
return stateIcons.containsKey ( state ) ? stateIcons.get ( state ) : getStateIcon ( NinePatchState.selected );
}
else if ( state.equals ( NinePatchState.selectedPressed ) )
{
return stateIcons.containsKey ( state ) ? stateIcons.get ( state ) : getStateIcon ( NinePatchState.pressed );
}
else if ( state.equals ( NinePatchState.focused ) )
{
return stateIcons.containsKey ( state ) ? stateIcons.get ( state ) : null;
}
else if ( state.equals ( NinePatchState.floating ) )
{
return stateIcons.containsKey ( state ) ? stateIcons.get ( state ) : getStateIcon ( NinePatchState.normal );
}
else if ( state.equals ( NinePatchState.floatingDisabled ) )
{
return stateIcons.containsKey ( state ) ? stateIcons.get ( state ) : getStateIcon ( NinePatchState.floating );
}
else
{
return null;
}
}
@Override
public Insets getBorders ()
{
final Insets margin = super.getBorders ();
if ( hasStateIcons () )
{
Insets maxInsets = i ( 0, 0, 0, 0 );
for ( final NinePatchIcon npi : stateIcons.values () )
{
npi.setComponent ( component );
maxInsets = SwingUtils.max ( maxInsets, npi.getMargin () );
}
return SwingUtils.max ( margin, maxInsets );
}
else
{
return margin;
}
}
@Override
public void paint ( final Graphics2D g2d, final Rectangle bounds, final E c, final U ui )
{
if ( hasStateIcons () && c != null )
{
// Current state icon retrieval
final NinePatchIcon stateIcon;
if ( c instanceof AbstractButton )
{
// Button component
stateIcon = getButtonBackground ( ( AbstractButton ) c );
}
else if ( c instanceof JToolBar )
{
// Toolbar component
stateIcon = getToolBarBackground ( ( JToolBar ) c );
}
else
{
// Any component
stateIcon = getComponentBackground ( c );
}
// Draw background
if ( stateIcon != null )
{
stateIcon.setComponent ( c );
stateIcon.paintIcon ( g2d, bounds );
}
// Draw focus
if ( isFocused ( c ) )
{
final NinePatchIcon focusIcon = getExactStateIcon ( NinePatchState.focused );
if ( focusIcon != null )
{
focusIcon.setComponent ( c );
focusIcon.paintIcon ( g2d, bounds );
}
}
}
}
@Override
public Dimension getPreferredSize ()
{
if ( hasStateIcons () )
{
Dimension maxDimension = new Dimension ( 0, 0 );
for ( final NinePatchIcon npi : stateIcons.values () )
{
npi.setComponent ( component );
maxDimension = SwingUtils.max ( maxDimension, npi.getPreferredSize () );
}
return maxDimension;
}
else
{
return super.getPreferredSize ();
}
}
}
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