rtm/org.eclipse.statet.rtm.base.ui/src/org/eclipse/statet/ecommons/emf/ui/forms/EFColors.java

/*=============================================================================#
 # Copyright (c) 2012, 2019 Stephan Wahlbrink and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 # which is available at https://www.apache.org/licenses/LICENSE-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 # 
 # Contributors:
 #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.ecommons.emf.ui.forms;

import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.forms.FormColors;
import org.eclipse.ui.themes.ColorUtil;


public class EFColors extends FormColors {
	
	
	public EFColors(final Display display) {
		super(display);
	}
	
	protected void initializeTypedWidgetColors() {
		if (this.colorRegistry.containsKey(IEFColors.TW_TYPE_BACKGROUND)) {
			return;
		}
		
		final Color border= getColor(IEFColors.TB_BORDER);
		final Color typeBackground= createColor(IEFColors.TW_TYPE_BACKGROUND,
				ColorUtil.blend(getColor(IEFColors.TB_BG).getRGB(), getBackground().getRGB(),
				40 ));
		final Color border2Color= createColor(IEFColors.TW_TYPE_BORDER2,
				ColorUtil.blend(typeBackground.getRGB(), border.getRGB(),
				60 ));
		final Color hoverColor= createColor(IEFColors.TW_TYPE_HOVER,
				ColorUtil.blend(getColor(IEFColors.TB_TOGGLE_HOVER).getRGB(), border.getRGB(),
				60 ));
	}
	
	@Override
	public Color getColor(final String key) {
		if (key.startsWith(IEFColors.TW_PREFIX)) {
			initializeTypedWidgetColors();
		}
		return super.getColor(key);
	}
	
}