celldataprovider.java

CRM源码This file describes some issues that should be implemented in future and how it should be imple

/*
 * Copyright 2006-2007 Queplix Corp.
 *
 * Licensed under the Queplix Public License, Version 1.1.1 (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.queplix.com/solutions/commercial-open-source/queplix-public-license/
 *
 * 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 com.queplix.core.client.common.ui.grid;

/**
 * Provides data for cell
 *
 * @author Sergey Kozmin
 * @since 28.03.2007
 */
public interface CellDataProvider {
    public static final int TEXT_TYPE = 0;
    public static final int WIDGET_TYPE = 1;

    /**
     * @return the cell type. It can be one of {@link #TEXT_TYPE} or
     * {@link #WIDGET_TYPE}  
     */
    int getCellType();

    /**
     * Returns cell info, that to be cast according to the {@link #getCellType()}.
     * if return type is {@link #WIDGET_TYPE} it can be cast to
     * {@link com.google.gwt.user.client.ui.Widget}, otherwise to String type.
     * @return cell info.
     */
    Object getCellInfo();
}