/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /************************************************************************* * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * Copyright 2000, 2010 Oracle and/or its affiliates. * * OpenOffice.org - a multi-platform office productivity suite * * This file is part of OpenOffice.org. * * OpenOffice.org is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 3 * only, as published by the Free Software Foundation. * * OpenOffice.org is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License version 3 for more details * (a copy is included in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU Lesser General Public License * version 3 along with OpenOffice.org. If not, see * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef _SVX_FMEXCH_HXX #define _SVX_FMEXCH_HXX #include #include #include #include #include #include class FmFormShell; class FmFormPage; class SvLBoxEntry; //======================================================================== // Exchange types #define SVX_FM_FIELD_EXCH String("SvxFormFieldExch", sizeof("SvxFormFieldExch")) #define SVX_FM_CONTROL_EXCH String("SvxFormExplCtrlExch", sizeof("SvxFormExplCtrlExch")) #define SVX_FM_CONTROLS_AS_PATH String("SvxFormControlsAsPathExchange", sizeof("SvxFormControlsAsPathExchange")) #define SVX_FM_HIDDEN_CONTROLS String("SvxFormHiddenControlsExchange", sizeof("SvxFormHiddenControlsExchange")) #define SVX_FM_FILTER_FIELDS String("SvxFilterFieldExchange", sizeof("SvxFilterFieldExchange")) //======================================================================== class SvTreeListBox; //........................................................................ namespace svxform { //........................................................................ //==================================================================== typedef ::std::set< SvLBoxEntry* > ListBoxEntrySet; //==================================================================== //= OLocalExchange //==================================================================== class SVX_DLLPUBLIC OLocalExchange : public TransferableHelper { private: Link m_aClipboardListener; sal_Bool m_bDragging : 1; sal_Bool m_bClipboardOwner : 1; public: class GrantAccess { friend class OLocalExchangeHelper; }; public: OLocalExchange( ); sal_Bool isDragging() const { return m_bDragging; } sal_Bool isClipboardOwner() const { return m_bClipboardOwner; } void startDrag( Window* pWindow, sal_Int8 nDragSourceActions, const GrantAccess& ); void copyToClipboard( Window* _pWindow, const GrantAccess& ); void setClipboardListener( const Link& _rListener ) { m_aClipboardListener = _rListener; } void clear(); static sal_Bool hasFormat( const DataFlavorExVector& _rFormats, sal_uInt32 _nFormatId ); protected: // XClipboardOwner virtual void SAL_CALL lostOwnership( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard >& _rxClipboard, const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& _rxTrans ) throw(::com::sun::star::uno::RuntimeException); // TransferableHelper virtual void DragFinished( sal_Int8 nDropAction ); virtual sal_Bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ); private: void StartDrag( Window* pWindow, sal_Int8 nDragSourceActions, sal_Int32 nDragPointer = DND_POINTER_NONE, sal_Int32 nDragImage = DND_IMAGE_NONE ) { // don't allow this base class method to be called from outside TransferableHelper::StartDrag(pWindow, nDragSourceActions, nDragPointer, nDragImage); } }; //==================================================================== //= OLocalExchangeHelper //==================================================================== /// a helper for navigator windows (SvTreeListBox'es) which allow DnD within themself class SVX_DLLPUBLIC OLocalExchangeHelper { protected: Window* m_pDragSource; OLocalExchange* m_pTransferable; public: OLocalExchangeHelper( Window* _pDragSource ); virtual ~OLocalExchangeHelper(); void prepareDrag( ); void startDrag( sal_Int8 nDragSourceActions ); void copyToClipboard( ) const; inline sal_Bool isDragSource() const { return m_pTransferable && m_pTransferable->isDragging(); } inline sal_Bool isClipboardOwner() const { return m_pTransferable && m_pTransferable->isClipboardOwner(); } inline sal_Bool isDataExchangeActive( ) const { return isDragSource() || isClipboardOwner(); } inline void clear() { if ( isDataExchangeActive() ) m_pTransferable->clear(); } SVX_DLLPRIVATE void setClipboardListener( const Link& _rListener ) { if ( m_pTransferable ) m_pTransferable->setClipboardListener( _rListener ); } protected: SVX_DLLPRIVATE virtual OLocalExchange* createExchange() const = 0; protected: SVX_DLLPRIVATE void implReset(); }; //==================================================================== //= OControlTransferData //==================================================================== class OControlTransferData { private: typedef ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< sal_uInt32 > > ControlPaths; private: DataFlavorExVector m_aCurrentFormats; protected: ListBoxEntrySet m_aSelectedEntries; ControlPaths m_aControlPaths; ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > m_aHiddenControlModels; ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameContainer > m_xFormsRoot; // the root of the forms collection where the entries we represent reside // this uniquely identifies the page and the document SvLBoxEntry* m_pFocusEntry; protected: // updates m_aCurrentFormats with all formats we currently could supply void updateFormats( ); public: OControlTransferData( ); // ctor to construct the data from an arbitrary Transferable (usually clipboard data) OControlTransferData( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& _rxTransferable ); inline const DataFlavorExVector& GetDataFlavorExVector() const; void addSelectedEntry( SvLBoxEntry* _pEntry ); void setFocusEntry( SvLBoxEntry* _pFocusEntry ); /** notifies the data transfer object that a certain entry has been removed from the owning tree In case the removed entry is part of the transfer object's selection, the entry is removed from the selection. @param _pEntry @return the number of entries remaining in the selection. */ size_t onEntryRemoved( SvLBoxEntry* _pEntry ); void setFormsRoot( const ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameContainer >& _rxFormsRoot ) { m_xFormsRoot = _rxFormsRoot; } void buildPathFormat(SvTreeListBox* pTreeBox, SvLBoxEntry* pRoot); // baut aus m_aSelectedEntries m_aControlPaths auf // (es wird davon ausgegangen, dass die Eintraege in m_aSelectedEntries sortiert sind in Bezug auf die Nachbar-Beziehung) void buildListFromPath(SvTreeListBox* pTreeBox, SvLBoxEntry* pRoot); // der umgekehrte Weg : wirft alles aus m_aSelectedEntries weg und baut es mittels m_aControlPaths neu auf void addHiddenControlsFormat(const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > seqInterfaces); // fuegt ein SVX_FML_HIDDEN_CONTROLS-Format hinzu und merk sich dafuer die uebergebenen Interfaces // (es erfolgt KEINE Ueberpruefung, ob dadurch auch tatsaechlich nur hidden Controls bezeichnet werden, dass muss der // Aufrufer sicherstellen) SvLBoxEntry* focused() const { return m_pFocusEntry; } const ListBoxEntrySet& selected() const { return m_aSelectedEntries; } ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > hiddenControls() const { return m_aHiddenControlModels; } ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameContainer > getFormsRoot() const { return m_xFormsRoot; } }; //==================================================================== inline const DataFlavorExVector& OControlTransferData::GetDataFlavorExVector() const { const_cast< OControlTransferData* >( this )->updateFormats( ); return m_aCurrentFormats; } //==================================================================== //= OControlExchange //==================================================================== class OControlExchange : public OLocalExchange, public OControlTransferData { public: OControlExchange( ); public: static sal_uInt32 getFieldExchangeFormatId( ); static sal_uInt32 getControlPathFormatId( ); static sal_uInt32 getHiddenControlModelsFormatId( ); inline static sal_Bool hasFieldExchangeFormat( const DataFlavorExVector& _rFormats ); inline static sal_Bool hasControlPathFormat( const DataFlavorExVector& _rFormats ); inline static sal_Bool hasHiddenControlModelsFormat( const DataFlavorExVector& _rFormats ); protected: virtual sal_Bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor ); virtual void AddSupportedFormats(); }; //==================================================================== //= OControlExchangeHelper //==================================================================== class OControlExchangeHelper : public OLocalExchangeHelper { public: OControlExchangeHelper(Window* _pDragSource) : OLocalExchangeHelper(_pDragSource) { } OControlExchange* operator->() const { return static_cast< OControlExchange* >( m_pTransferable ); } OControlExchange& operator*() const { return *static_cast< OControlExchange* >( m_pTransferable ); } protected: virtual OLocalExchange* createExchange() const; }; //==================================================================== //==================================================================== inline sal_Bool OControlExchange::hasFieldExchangeFormat( const DataFlavorExVector& _rFormats ) { return hasFormat( _rFormats, getFieldExchangeFormatId() ); } inline sal_Bool OControlExchange::hasControlPathFormat( const DataFlavorExVector& _rFormats ) { return hasFormat( _rFormats, getControlPathFormatId() ); } inline sal_Bool OControlExchange::hasHiddenControlModelsFormat( const DataFlavorExVector& _rFormats ) { return hasFormat( _rFormats, getHiddenControlModelsFormatId() ); } //........................................................................ } // namespace svxform //........................................................................ #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ 56'>feature/cib_contract3756 LibreOffice 核心代码仓库文档基金会
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2020-04-24Typo: surf->serfJulien Nabet