content: /*
   * Copyright 2019 FormDev Software GmbH
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package themeengine.include.com.formdev.flatlaf.icons;
  
  import java.awt.BasicStroke;
  import java.awt.Color;
  import java.awt.Component;
  import java.awt.Graphics2D;
  import java.awt.geom.Path2D;
  import javax.swing.AbstractButton;
  import javax.swing.JMenuItem;
  import javax.swing.UIManager;
  
  /**
   * Icon for {@link javax.swing.JCheckBoxMenuItem}.
   *
   * @uiDefault MenuItemCheckBox.icon.checkmarkColor				Color
   * @uiDefault MenuItemCheckBox.icon.disabledCheckmarkColor		Color
   * @uiDefault MenuItem.selectionForeground						Color
   * @uiDefault MenuItem.selectionType							String
   *
   * @author Karl Tauber
   */
  public class FlatCheckBoxMenuItemIcon
  	extends FlatAbstractIcon
  {
  	protected final Color checkmarkColor = UIManager.getColor( "MenuItemCheckBox.icon.checkmarkColor" );
  	protected final Color disabledCheckmarkColor = UIManager.getColor( "MenuItemCheckBox.icon.disabledCheckmarkColor" );
  	protected final Color selectionForeground = UIManager.getColor( "MenuItem.selectionForeground" );
  
  	public FlatCheckBoxMenuItemIcon() {
  		super( 15, 15, null );
  	}
  
  	@Override
  	protected void paintIcon( Component c, Graphics2D g2 ) {
  		boolean selected = (c instanceof AbstractButton) && ((AbstractButton)c).isSelected();
  
  		// paint checkmark
  		if( selected ) {
  			g2.setColor( getCheckmarkColor( c ) );
  			paintCheckmark( g2 );
  		}
  	}
  
  	protected void paintCheckmark( Graphics2D g2 ) {
  		Path2D.Float path = new Path2D.Float();
  		path.moveTo( 4.5f, 7.5f );
  		path.lineTo( 6.6f, 10f );
  		path.lineTo( 11.25f, 3.5f );
  
  		g2.setStroke( new BasicStroke( 1.9f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND ) );
  		g2.draw( path );
  	}
  
  	protected Color getCheckmarkColor( Component c ) {
  		if( c instanceof JMenuItem && ((JMenuItem)c).isArmed() && !isUnderlineSelection() )
  			return selectionForeground;
  
  		return c.isEnabled() ? checkmarkColor : disabledCheckmarkColor;
  	}
  
  	protected boolean isUnderlineSelection() {
  		// not storing value of "MenuItem.selectionType" in class to allow changing at runtime
  		return "underline".equals( UIManager.getString( "MenuItem.selectionType" ) );
  	}
  }
  