/*
 * Copyright 2010 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.drools.eclipse.flow.ruleflow.view.property.color;

import org.eclipse.jface.viewers.DialogCellEditor;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.ColorDialog;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;

public class ColorCellEditor extends DialogCellEditor {

    public ColorCellEditor(Composite parent) {
        super(parent);
    }
    
    protected Object openDialogBox(Control cellEditorWindow) {
        ColorDialog dialog = new ColorDialog(Display.getCurrent().getActiveShell());
        Color color = (Color) getValue();
        if (color != null) {
            dialog.setRGB(color.getRGB());
        }
        RGB result = (RGB) dialog.open();
        return result == null ? null : new Color(Display.getCurrent(), result);
    }

}
