01: /**
02: * ===========================================
03: * JFreeReport : a free Java reporting library
04: * ===========================================
05: *
06: * Project Info: http://reporting.pentaho.org/
07: *
08: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
09: *
10: * This library is free software; you can redistribute it and/or modify it under the terms
11: * of the GNU Lesser General Public License as published by the Free Software Foundation;
12: * either 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, but WITHOUT ANY WARRANTY;
15: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16: * See the GNU Lesser General Public License for more details.
17: *
18: * You should have received a copy of the GNU Lesser General Public License along with this
19: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20: * Boston, MA 02111-1307, USA.
21: *
22: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
23: * in the United States and other countries.]
24: *
25: * ------------
26: * ProcessDetailsHandler.java
27: * ------------
28: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
29: */package org.jfree.report.states.process;
30:
31: import org.jfree.report.Group;
32: import org.jfree.report.ReportProcessingException;
33: import org.jfree.report.RootLevelBand;
34: import org.jfree.report.event.ReportEvent;
35: import org.jfree.report.states.datarow.DefaultFlowController;
36:
37: /**
38: * Creation-Date: 03.07.2007, 13:57:49
39: *
40: * @author Thomas Morgner
41: */
42: public class ProcessDetailsHandler implements AdvanceHandler {
43: public static final AdvanceHandler HANDLER = new ProcessDetailsHandler();
44:
45: private ProcessDetailsHandler() {
46: }
47:
48: public int getEventCode() {
49: return ReportEvent.ITEMS_ADVANCED;
50: }
51:
52: public ProcessState advance(final ProcessState state)
53: throws ReportProcessingException {
54: final ProcessState next = state.deriveForAdvance();
55: next.firePrepareEvent();
56: next.fireReportEvent();
57: return next;
58: }
59:
60: public ProcessState commit(final ProcessState next)
61: throws ReportProcessingException {
62: final RootLevelBand rootLevelBand = next.getReport()
63: .getItemBand();
64: if (rootLevelBand.getSubReportCount() == 0) {
65: final DefaultFlowController fc = next.getFlowController()
66: .performAdvance();
67: final Group group = next.getReport().getGroup(
68: next.getCurrentGroupIndex());
69: final DefaultFlowController cfc = fc.performCommit();
70: if (ProcessState.isLastItemInGroup(group,
71: fc.getMasterRow(), cfc.getMasterRow())) {
72: next.setFlowController(fc);
73: next.setAdvanceHandler(EndDetailsHandler.HANDLER);
74: } else {
75: next.setFlowController(cfc);
76: }
77: return next;
78: }
79:
80: // Delay the test on whether ths item is the last in the group until we've processed the subreports.
81: next.setAdvanceHandler(JoinDetailsHandler.HANDLER);
82: return new ProcessState(rootLevelBand.getSubReports(), 0, next);
83: }
84:
85: public boolean isFinish() {
86: return false;
87: }
88: }
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