// This Source Code is Copyright & Licenced as indicated below
package org.litesoft.GWT.client.widgets.nonpublic.external;
/*
 * Copyright 2006 Mat Gessel <mat.gessel@gmail.com>
 *
 * 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.
 */

import com.google.gwt.core.client.*;

/**
 * A marker interface for the prevent selection controller. Used to instantiate
 * the controller via deferred binding.
 * <p>This controller prevents text selection within it's associated widget.
 */
public abstract class PreventSelectionController extends ControllerAdaptor {
    private static PreventSelectionController sInstance;

    /**
     * Gets a shared instance of the controller.
     */
    public static PreventSelectionController getInstance() {
        if ( sInstance == null ) {
            sInstance = (PreventSelectionController) GWT.create( PreventSelectionController.class );
        }
        return sInstance;
    }

    public PreventSelectionController( int eventBits ) {
        super( eventBits, PreventSelectionController.class );
    }
}