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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.myfaces.tobago.internal.layout;
21  
22  import org.apache.myfaces.tobago.layout.LayoutComponent;
23  
24  /**
25   * To support horizontal and vertical spans, at each position will be a cell as a represantive.
26   * Either a "origin cell" for the first position or a "span cell" for spanned other positions.
27   */
28  public interface Cell {
29  
30    LayoutComponent getComponent();
31  
32    OriginCell getOrigin();
33  
34    /**
35     * Is the origin cell or span cell at the first position of the cell compound.
36     *
37     * @return If its at the first position.
38     */
39    boolean isHorizontalFirst();
40  
41    /**
42     * Is the origin cell or span cell at the first position of the cell compound.
43     *
44     * @return If its at the first position.
45     */
46    boolean isVerticalFirst();
47  
48    int getColumnSpan();
49  
50    int getRowSpan();
51  }