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Java > Open Source Codes > net > sf > jasperreports > crosstabs > JRCrosstabColumnGroup


1 /*
2  * ============================================================================
3  * GNU Lesser General Public License
4  * ============================================================================
5  *
6  * JasperReports - Free Java report-generating library.
7  * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * JasperSoft Corporation
24  * 303 Second Street, Suite 450 North
25  * San Francisco, CA 94107
26  * http://www.jaspersoft.com
27  */
28 package net.sf.jasperreports.crosstabs;
29
30 /**
31  * Crosstab column group interface.
32  *
33  * @author Lucian Chirita (lucianc@users.sourceforge.net)
34  * @version $Id: JRCrosstabColumnGroup.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $
35  */
36 public interface JRCrosstabColumnGroup extends JRCrosstabGroup
37 {
38     /**
39      * Returns the height of the group headers.
40      *
41      * @return the height of the group headers
42      * @see JRCrosstabGroup#getHeader()
43      * @see JRCrosstabGroup#getTotalHeader()
44      */
45     public int getHeight();
46     
47     
48     /**
49      * Returns the position of the header contents for header stretching.
50      * <p>
51      * The column group headers stretch horizontally when there are multiple sub group entries.
52      * The header contents will be adjusted to the new width depending on this attribute:
53      * <ul>
54      * <li>{@link JRCellContents#POSITION_X_LEFT JRCellContents.POSITION_X_LEFT} - the contents will be rendered on the left side of the header</li>
55      * <li>{@link JRCellContents#POSITION_X_CENTER JRCellContents.POSITION_X_CENTER} - the contents will be rendered on the center of the header</li>
56      * <li>{@link JRCellContents#POSITION_X_RIGHT JRCellContents.POSITION_X_RIGHT} - the contents will be rendered on the right side of the header</li>
57      * <li>{@link JRCellContents#POSITION_X_STRETCH JRCellContents.POSITION_X_STRETCH} - the contents will be proportionally stretched to the new header size</li>
58      * </ul>
59      *
60      * @return the position of the header contents for header stretching
61      */
62     public byte getPosition();
63 }
64
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