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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include "UndoCommandDispatch.hxx"
22 : #include "ResId.hxx"
23 : #include "macros.hxx"
24 :
25 : #include <com/sun/star/util/XModifyBroadcaster.hpp>
26 : #include <com/sun/star/document/XUndoManagerSupplier.hpp>
27 :
28 : #include <osl/mutex.hxx>
29 : #include <vcl/svapp.hxx>
30 : #include <tools/diagnose_ex.h>
31 :
32 : // for resource strings STR_UNDO and STR_REDO
33 : #include <svtools/svtools.hrc>
34 : #include <svtools/svtresid.hxx>
35 :
36 : using namespace ::com::sun::star;
37 :
38 : using ::com::sun::star::uno::Reference;
39 : using ::com::sun::star::uno::Sequence;
40 : using ::rtl::OUString;
41 :
42 : namespace chart
43 : {
44 :
45 0 : UndoCommandDispatch::UndoCommandDispatch(
46 : const Reference< uno::XComponentContext > & xContext,
47 : const Reference< frame::XModel > & xModel ) :
48 : CommandDispatch( xContext ),
49 0 : m_xModel( xModel )
50 : {
51 0 : uno::Reference< document::XUndoManagerSupplier > xSuppUndo( m_xModel, uno::UNO_QUERY_THROW );
52 0 : m_xUndoManager.set( xSuppUndo->getUndoManager(), uno::UNO_QUERY_THROW );
53 0 : }
54 :
55 0 : UndoCommandDispatch::~UndoCommandDispatch()
56 0 : {}
57 :
58 0 : void UndoCommandDispatch::initialize()
59 : {
60 0 : Reference< util::XModifyBroadcaster > xBroadcaster( m_xUndoManager, uno::UNO_QUERY );
61 0 : ENSURE_OR_RETURN_VOID( xBroadcaster.is(), "UndoCommandDispatch::initialize: missing modification broadcaster interface!" );
62 0 : xBroadcaster->addModifyListener( this );
63 : }
64 :
65 0 : void UndoCommandDispatch::fireStatusEvent(
66 : const OUString & rURL,
67 : const Reference< frame::XStatusListener > & xSingleListener /* = 0 */ )
68 : {
69 0 : if( m_xUndoManager.is() )
70 : {
71 0 : bool bFireAll = rURL.isEmpty();
72 0 : uno::Any aUndoState, aRedoState;
73 0 : if( m_xUndoManager->isUndoPossible())
74 : {
75 : // using assignment for broken gcc 3.3
76 0 : OUString aUndo = OUString( String( SvtResId( STR_UNDO )));
77 0 : aUndoState <<= ( aUndo + m_xUndoManager->getCurrentUndoActionTitle());
78 : }
79 0 : if( m_xUndoManager->isRedoPossible())
80 : {
81 : // using assignment for broken gcc 3.3
82 0 : OUString aRedo = OUString( String( SvtResId( STR_REDO )));
83 0 : aRedoState <<= ( aRedo + m_xUndoManager->getCurrentRedoActionTitle());
84 : }
85 :
86 0 : if( bFireAll || rURL == ".uno:Undo" )
87 0 : fireStatusEventForURL( C2U(".uno:Undo"), aUndoState, m_xUndoManager->isUndoPossible(), xSingleListener );
88 0 : if( bFireAll || rURL == ".uno:Redo" )
89 0 : fireStatusEventForURL( C2U(".uno:Redo"), aRedoState, m_xUndoManager->isRedoPossible(), xSingleListener );
90 : }
91 0 : }
92 :
93 : // ____ XDispatch ____
94 0 : void SAL_CALL UndoCommandDispatch::dispatch(
95 : const util::URL& URL,
96 : const Sequence< beans::PropertyValue >& /* Arguments */ )
97 : throw (uno::RuntimeException)
98 : {
99 0 : if( m_xUndoManager.is() )
100 : {
101 : // why is it necessary to lock the solar mutex here?
102 0 : SolarMutexGuard aSolarGuard;
103 : try
104 : {
105 0 : if ( URL.Path == "Undo" )
106 0 : m_xUndoManager->undo();
107 : else
108 0 : m_xUndoManager->redo();
109 : }
110 0 : catch( const document::UndoFailedException& )
111 : {
112 : // silently ignore
113 : }
114 0 : catch( const uno::Exception& )
115 : {
116 : DBG_UNHANDLED_EXCEPTION();
117 0 : }
118 : // \--
119 : }
120 0 : }
121 :
122 : // ____ WeakComponentImplHelperBase ____
123 : /// is called when this is disposed
124 0 : void SAL_CALL UndoCommandDispatch::disposing()
125 : {
126 0 : Reference< util::XModifyBroadcaster > xBroadcaster( m_xUndoManager, uno::UNO_QUERY );
127 : OSL_ENSURE( xBroadcaster.is(), "UndoCommandDispatch::initialize: missing modification broadcaster interface!" );
128 0 : if( xBroadcaster.is() )
129 : {
130 0 : xBroadcaster->removeModifyListener( this );
131 : }
132 :
133 0 : m_xUndoManager.clear();
134 0 : m_xModel.clear();
135 0 : }
136 :
137 : // ____ XEventListener (base of XModifyListener) ____
138 0 : void SAL_CALL UndoCommandDispatch::disposing( const lang::EventObject& /* Source */ )
139 : throw (uno::RuntimeException)
140 : {
141 0 : m_xUndoManager.clear();
142 0 : m_xModel.clear();
143 0 : }
144 :
145 : } // namespace chart
146 :
147 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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