| /* |
| * Copyright 2010 Google Inc. |
| * |
| * 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 com.google.gwt.cell.client; |
| |
| /** |
| * An interface for extracting a value of type C from an underlying data value |
| * of type T, provide a {@link Cell} to render that value, and provide a |
| * {@link FieldUpdater} to perform notification of updates to the cell. |
| * |
| * @param <T> the underlying data type |
| * @param <C> the cell data type |
| */ |
| public interface HasCell<T, C> { |
| |
| /** |
| * Returns the {@link Cell} of type C. |
| * |
| * @return a Cell |
| */ |
| Cell<C> getCell(); |
| |
| /** |
| * Returns the {@link FieldUpdater} instance. |
| * |
| * @return an instance of FieldUpdater<T, C> |
| */ |
| FieldUpdater<T, C> getFieldUpdater(); |
| |
| /** |
| * Returns the value of type C extracted from the record of type T. |
| * |
| * @param object a record of type T |
| * @return a value of type C suitable for passing to the cell |
| */ |
| C getValue(T object); |
| } |