1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_chart2.hxx" 26 27 #include "UndoCommandDispatch.hxx" 28 #include "ResId.hxx" 29 #include "macros.hxx" 30 31 #include <com/sun/star/util/XModifyBroadcaster.hpp> 32 #include <com/sun/star/document/XUndoManagerSupplier.hpp> 33 34 #include <vos/mutex.hxx> 35 #include <vcl/svapp.hxx> 36 #include <tools/diagnose_ex.h> 37 38 // for ressource strings STR_UNDO and STR_REDO 39 #include <svtools/svtools.hrc> 40 #include <svtools/svtdata.hxx> 41 42 using namespace ::com::sun::star; 43 44 using ::com::sun::star::uno::Reference; 45 using ::com::sun::star::uno::Sequence; 46 using ::rtl::OUString; 47 48 namespace chart 49 { 50 51 UndoCommandDispatch::UndoCommandDispatch( 52 const Reference< uno::XComponentContext > & xContext, 53 const Reference< frame::XModel > & xModel ) : 54 CommandDispatch( xContext ), 55 m_xModel( xModel ) 56 { 57 uno::Reference< document::XUndoManagerSupplier > xSuppUndo( m_xModel, uno::UNO_QUERY_THROW ); 58 m_xUndoManager.set( xSuppUndo->getUndoManager(), uno::UNO_QUERY_THROW ); 59 } 60 61 UndoCommandDispatch::~UndoCommandDispatch() 62 {} 63 64 void UndoCommandDispatch::initialize() 65 { 66 Reference< util::XModifyBroadcaster > xBroadcaster( m_xUndoManager, uno::UNO_QUERY ); 67 ENSURE_OR_RETURN_VOID( xBroadcaster.is(), "UndoCommandDispatch::initialize: missing modification broadcaster interface!" ); 68 xBroadcaster->addModifyListener( this ); 69 } 70 71 void UndoCommandDispatch::fireStatusEvent( 72 const OUString & rURL, 73 const Reference< frame::XStatusListener > & xSingleListener /* = 0 */ ) 74 { 75 if( m_xUndoManager.is() ) 76 { 77 bool bFireAll = (rURL.getLength() == 0); 78 uno::Any aUndoState, aRedoState; 79 if( m_xUndoManager->isUndoPossible()) 80 { 81 // using assignment for broken gcc 3.3 82 OUString aUndo = OUString( String( SvtResId( STR_UNDO ))); 83 aUndoState <<= ( aUndo + m_xUndoManager->getCurrentUndoActionTitle()); 84 } 85 if( m_xUndoManager->isRedoPossible()) 86 { 87 // using assignment for broken gcc 3.3 88 OUString aRedo = OUString( String( SvtResId( STR_REDO ))); 89 aRedoState <<= ( aRedo + m_xUndoManager->getCurrentRedoActionTitle()); 90 } 91 92 if( bFireAll || rURL.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM(".uno:Undo"))) 93 fireStatusEventForURL( C2U(".uno:Undo"), aUndoState, m_xUndoManager->isUndoPossible(), xSingleListener ); 94 if( bFireAll || rURL.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM(".uno:Redo"))) 95 fireStatusEventForURL( C2U(".uno:Redo"), aRedoState, m_xUndoManager->isRedoPossible(), xSingleListener ); 96 } 97 } 98 99 // ____ XDispatch ____ 100 void SAL_CALL UndoCommandDispatch::dispatch( 101 const util::URL& URL, 102 const Sequence< beans::PropertyValue >& /* Arguments */ ) 103 throw (uno::RuntimeException) 104 { 105 if( m_xUndoManager.is() ) 106 { 107 // why is it necessary to lock the solar mutex here? 108 // /-- 109 ::vos::OGuard aSolarGuard( Application::GetSolarMutex()); 110 try 111 { 112 if( URL.Path.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "Undo" ))) 113 m_xUndoManager->undo(); 114 else 115 m_xUndoManager->redo(); 116 } 117 catch( const document::UndoFailedException& ) 118 { 119 // silently ignore 120 } 121 catch( const uno::Exception& ) 122 { 123 DBG_UNHANDLED_EXCEPTION(); 124 } 125 // \-- 126 } 127 } 128 129 // ____ WeakComponentImplHelperBase ____ 130 /// is called when this is disposed 131 void SAL_CALL UndoCommandDispatch::disposing() 132 { 133 Reference< util::XModifyBroadcaster > xBroadcaster( m_xUndoManager, uno::UNO_QUERY ); 134 OSL_ENSURE( xBroadcaster.is(), "UndoCommandDispatch::initialize: missing modification broadcaster interface!" ); 135 if( xBroadcaster.is() ) 136 { 137 xBroadcaster->removeModifyListener( this ); 138 } 139 140 m_xUndoManager.clear(); 141 m_xModel.clear(); 142 } 143 144 // ____ XEventListener (base of XModifyListener) ____ 145 void SAL_CALL UndoCommandDispatch::disposing( const lang::EventObject& /* Source */ ) 146 throw (uno::RuntimeException) 147 { 148 m_xUndoManager.clear(); 149 m_xModel.clear(); 150 } 151 152 } // namespace chart 153