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Diffstat (limited to 'forms/source/richtext/clipboarddispatcher.cxx')
| -rw-r--r-- | forms/source/richtext/clipboarddispatcher.cxx | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/forms/source/richtext/clipboarddispatcher.cxx b/forms/source/richtext/clipboarddispatcher.cxx new file mode 100644 index 000000000..70313edb3 --- /dev/null +++ b/forms/source/richtext/clipboarddispatcher.cxx @@ -0,0 +1,191 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include "clipboarddispatcher.hxx" +#include <editeng/editview.hxx> + +#include <com/sun/star/lang/DisposedException.hpp> +#include <svtools/cliplistener.hxx> +#include <vcl/transfer.hxx> +#include <osl/diagnose.h> + + +namespace frm +{ + + + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::frame; + using namespace ::com::sun::star::lang; + using namespace ::com::sun::star::util; + using namespace ::com::sun::star::beans; + + + namespace + { + URL createClipboardURL( OClipboardDispatcher::ClipboardFunc _eFunc ) + { + URL aURL; + switch ( _eFunc ) + { + case OClipboardDispatcher::eCut: + aURL.Complete = ".uno:Cut"; + break; + case OClipboardDispatcher::eCopy: + aURL.Complete = ".uno:Copy"; + break; + case OClipboardDispatcher::ePaste: + aURL.Complete = ".uno:Paste"; + break; + } + return aURL; + } + } + + OClipboardDispatcher::OClipboardDispatcher( EditView& _rView, ClipboardFunc _eFunc ) + :ORichTextFeatureDispatcher( _rView, createClipboardURL( _eFunc ) ) + ,m_eFunc( _eFunc ) + ,m_bLastKnownEnabled( true ) + { + } + + + bool OClipboardDispatcher::implIsEnabled( ) const + { + bool bEnabled = false; + switch ( m_eFunc ) + { + case eCut: + bEnabled = !getEditView()->IsReadOnly() && getEditView()->HasSelection(); + break; + + case eCopy: + bEnabled = getEditView()->HasSelection(); + break; + + case ePaste: + bEnabled = !getEditView()->IsReadOnly(); + break; + } + return bEnabled; + } + + + FeatureStateEvent OClipboardDispatcher::buildStatusEvent() const + { + FeatureStateEvent aEvent( ORichTextFeatureDispatcher::buildStatusEvent() ); + aEvent.IsEnabled = implIsEnabled(); + return aEvent; + } + + + void OClipboardDispatcher::invalidateFeatureState_Broadcast() + { + bool bEnabled = implIsEnabled(); + if ( m_bLastKnownEnabled == bEnabled ) + // nothing changed -> no notification + return; + m_bLastKnownEnabled = bEnabled; + + ORichTextFeatureDispatcher::invalidateFeatureState_Broadcast(); + } + + + void SAL_CALL OClipboardDispatcher::dispatch( const URL& /*_rURL*/, const Sequence< PropertyValue >& /*Arguments*/ ) + { + ::osl::MutexGuard aGuard( m_aMutex ); + if ( !getEditView() ) + throw DisposedException(); + + switch ( m_eFunc ) + { + case eCut: + getEditView()->Cut(); + break; + + case eCopy: + getEditView()->Copy(); + break; + + case ePaste: + getEditView()->Paste(); + break; + } + } + + OPasteClipboardDispatcher::OPasteClipboardDispatcher( EditView& _rView ) + :OClipboardDispatcher( _rView, ePaste ) + ,m_bPastePossible( false ) + { + m_pClipListener = new TransferableClipboardListener( LINK( this, OPasteClipboardDispatcher, OnClipboardChanged ) ); + m_pClipListener->AddListener( _rView.GetWindow() ); + + // initial state + TransferableDataHelper aDataHelper( TransferableDataHelper::CreateFromSystemClipboard( _rView.GetWindow() ) ); + m_bPastePossible = ( aDataHelper.HasFormat( SotClipboardFormatId::STRING ) || + aDataHelper.HasFormat( SotClipboardFormatId::RTF ) || aDataHelper.HasFormat( SotClipboardFormatId::RICHTEXT ) ); + } + + + OPasteClipboardDispatcher::~OPasteClipboardDispatcher() + { + if ( !isDisposed() ) + { + acquire(); + dispose(); + } + } + + + IMPL_LINK( OPasteClipboardDispatcher, OnClipboardChanged, TransferableDataHelper*, _pDataHelper, void ) + { + OSL_ENSURE( _pDataHelper, "OPasteClipboardDispatcher::OnClipboardChanged: ooops!" ); + m_bPastePossible = _pDataHelper->HasFormat( SotClipboardFormatId::STRING ) + || _pDataHelper->HasFormat( SotClipboardFormatId::RTF ) + || _pDataHelper->HasFormat( SotClipboardFormatId::RICHTEXT ); + + invalidate(); + } + + + void OPasteClipboardDispatcher::disposing( ::osl::ClearableMutexGuard& _rClearBeforeNotify ) + { + OSL_ENSURE( getEditView() && getEditView()->GetWindow(), "OPasteClipboardDispatcher::disposing: EditView should not (yet) be disfunctional here!" ); + if (m_pClipListener.is()) + { + if (getEditView() && getEditView()->GetWindow()) + m_pClipListener->RemoveListener( getEditView()->GetWindow() ); + + m_pClipListener.clear(); + } + + OClipboardDispatcher::disposing( _rClearBeforeNotify ); + } + + + bool OPasteClipboardDispatcher::implIsEnabled( ) const + { + return m_bPastePossible && OClipboardDispatcher::implIsEnabled(); + } + + +} // namespace frm + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |