01: /*
02: * ============================================================================
03: * GNU Lesser General Public License
04: * ============================================================================
05: *
06: * JasperReports - Free Java report-generating library.
07: * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
08: *
09: * 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:
29: /*
30: * Contributors:
31: * Greg Hilton
32: */
33:
34: package net.sf.jasperreports.engine.export;
35:
36: import net.sf.jasperreports.engine.JRPrintElement;
37: import net.sf.jasperreports.engine.JRPrintFrame;
38:
39: /**
40: * @author Teodor Danciu (teodord@users.sourceforge.net)
41: * @version $Id: ExporterNature.java 1711 2007-04-30 15:43:58Z lucianc $
42: */
43: public interface ExporterNature {
44:
45: public abstract boolean isToExport(JRPrintElement element);
46:
47: /**
48: * Specified whether to include in the grid sub elements of {@link JRPrintFrame frame} elements
49: */
50: public abstract boolean isDeep();
51:
52: public abstract boolean isSplitSharedRowSpan();
53:
54: /**
55: * Specifies whether the exporter handles cells span
56: */
57: public abstract boolean isSpanCells();
58:
59: public abstract boolean isIgnoreLastRow();
60:
61: /**
62: * Flag that specifies that empty cells are to be horizontally merged.
63: * <p>
64: * If the flag is set and this nature is {@link #isDeep() deep}, the nature is required
65: * to {@link #isToExport(JRPrintElement) export} {@link JRPrintFrame frames}.
66: * </p>
67: *
68: * @return whether empty cells are to be horizontally merged
69: */
70: public abstract boolean isHorizontallyMergeEmptyCells();
71:
72: }
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