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Diffstat (limited to 'include/svx/gridctrl.hxx')
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1 files changed, 600 insertions, 0 deletions
diff --git a/include/svx/gridctrl.hxx b/include/svx/gridctrl.hxx new file mode 100644 index 000000000..e029b8e23 --- /dev/null +++ b/include/svx/gridctrl.hxx @@ -0,0 +1,600 @@ +/* -*- 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 . + */ +#ifndef INCLUDED_SVX_GRIDCTRL_HXX +#define INCLUDED_SVX_GRIDCTRL_HXX + +#include <com/sun/star/util/Date.hpp> + +#include <tools/ref.hxx> +#include <svtools/editbrowsebox.hxx> +#include <svtools/recorditemwindow.hxx> +#include <osl/mutex.hxx> +#include <svx/svxdllapi.h> +#include <o3tl/typed_flags_set.hxx> +#include <memory> +#include <vector> + +namespace comphelper { class OPropertyChangeMultiplexer; } +namespace com::sun::star::beans { struct PropertyChangeEvent; } +namespace com::sun::star::container { class XIndexAccess; } +namespace com::sun::star::sdbc { class XRowSet; } +namespace com::sun::star::sdb { class XRowsChangeListener; } +namespace com::sun::star::uno { class XComponentContext; } +namespace com::sun::star::util { class XNumberFormatter; } +namespace weld { class Menu; } + +class CursorWrapper; + +bool CompareBookmark(const css::uno::Any& aLeft, const css::uno::Any& aRight); + +namespace svxform +{ + class DataColumn; +} + +enum class GridRowStatus +{ + Clean, + Modified, + Deleted, + Invalid +}; + + +// DbGridRow, description of rows + + +class SAL_DLLPUBLIC_RTTI DbGridRow final : public SvRefBase +{ + css::uno::Any m_aBookmark; // Bookmark of the row, can be set + ::std::vector< std::unique_ptr<::svxform::DataColumn> > + m_aVariants; + GridRowStatus m_eStatus; + bool m_bIsNew; + // row is no longer valid + // is removed on the next positioning +public: + DbGridRow(); + DbGridRow(CursorWrapper* pCur, bool bPaintCursor); + void SetState(CursorWrapper* pCur, bool bPaintCursor); + + virtual ~DbGridRow() override; + + bool HasField(sal_uInt32 nPos) const { return nPos < m_aVariants.size(); } + const ::svxform::DataColumn& GetField(sal_uInt32 nPos) const { return *m_aVariants[ nPos ]; } + + void SetStatus(GridRowStatus _eStat) { m_eStatus = _eStat; } + GridRowStatus GetStatus() const { return m_eStatus; } + void SetNew(bool _bNew) { m_bIsNew = _bNew; } + bool IsNew() const { return m_bIsNew; } + + const css::uno::Any& GetBookmark() const { return m_aBookmark; } + + bool IsValid() const { return m_eStatus == GridRowStatus::Clean || m_eStatus == GridRowStatus::Modified; } + bool IsModified() const { return m_eStatus == GridRowStatus::Modified; } +}; + +typedef tools::SvRef<DbGridRow> DbGridRowRef; + + +// DbGridControl + +class DbGridColumn; + +class FmGridListener +{ +public: + virtual void selectionChanged() = 0; + virtual void columnChanged() = 0; + +protected: + ~FmGridListener() {} +}; + +#define GRID_COLUMN_NOT_FOUND SAL_MAX_UINT16 + + +// InitWindowFacet, describing which aspect of a column's Window to (re-)initialize + +enum class InitWindowFacet +{ + Font = 0x01, + Foreground = 0x02, + Background = 0x04, + WritingMode = 0x08, + All = 0x0F +}; +namespace o3tl +{ + template<> struct typed_flags<InitWindowFacet> : is_typed_flags<InitWindowFacet, 0x0f> {}; +} + + +// these options are or'ed and indicate, which of the single +// features can be released, default is readonly which means 0 +enum class DbGridControlOptions +{ + Readonly = 0x00, + Insert = 0x01, + Update = 0x02, + Delete = 0x04 +}; +namespace o3tl +{ + template<> struct typed_flags<DbGridControlOptions> : is_typed_flags<DbGridControlOptions, 0x07> {}; +} + +// StatusIds for Controls of the Bar +// important for invalidation +enum class DbGridControlNavigationBarState +{ + NONE, + Text, + Absolute, + Of, + Count, + First, + Next, + Prev, + Last, + New, + Undo // related to SID_FM_RECORD_UNDO +}; + +class FmXGridSourcePropListener; +class DisposeListenerGridBridge; + +// NavigationBar +class NavigationBar final : public InterimItemWindow +{ + class AbsolutePos final : public RecordItemWindowBase + { + public: + AbsolutePos(std::unique_ptr<weld::Entry> xEntry, NavigationBar* pBar); + + virtual bool DoKeyInput(const KeyEvent& rEvt) override; + virtual void PositionFired(sal_Int64 nRecord) override; + + weld::Entry* GetWidget() { return m_xWidget.get(); } + private: + VclPtr<NavigationBar> m_xParent; + }; + + friend class NavigationBar::AbsolutePos; + + // additional controls + std::unique_ptr<weld::Label> m_xRecordText; + std::unique_ptr<AbsolutePos> m_xAbsolute; // absolute positioning + std::unique_ptr<weld::Label> m_xRecordOf; + std::unique_ptr<weld::Label> m_xRecordCount; + + std::unique_ptr<weld::Button> m_xFirstBtn; // Button for 'go to the first record' + std::unique_ptr<weld::Button> m_xPrevBtn; // Button for 'go to the previous record' + std::unique_ptr<weld::Button> m_xNextBtn; // Button for 'go to the next record' + std::unique_ptr<weld::Button> m_xLastBtn; // Button for 'go to the last record' + std::unique_ptr<weld::Button> m_xNewBtn; // Button for 'go to a new record' + + std::shared_ptr<weld::ButtonPressRepeater> m_xPrevRepeater; + std::shared_ptr<weld::ButtonPressRepeater> m_xNextRepeater; + + sal_Int32 m_nCurrentPos; + + bool m_bPositioning; // protect PositionDataSource against recursion + +public: + NavigationBar(vcl::Window* pParent); + virtual ~NavigationBar() override; + virtual void dispose() override; + + // Status methods for Controls + void InvalidateAll(sal_Int32 nCurrentPos, bool bAll = false); + void InvalidateState(DbGridControlNavigationBarState nWhich) {SetState(nWhich);} + void SetState(DbGridControlNavigationBarState nWhich); + bool GetState(DbGridControlNavigationBarState nWhich) const; + sal_uInt16 ArrangeControls(); + +private: + + DECL_LINK(OnClick, weld::Button&, void); + + void PositionDataSource(sal_Int32 nRecord); +}; + +class SVXCORE_DLLPUBLIC DbGridControl : public svt::EditBrowseBox +{ + friend class FmXGridSourcePropListener; + friend class GridFieldValueListener; + friend class DisposeListenerGridBridge; + +public: + + friend class NavigationBar; + +private: + Link<DbGridControlNavigationBarState,int> m_aMasterStateProvider; + Link<DbGridControlNavigationBarState,bool> m_aMasterSlotExecutor; + + css::uno::Reference< css::util::XNumberFormatter > m_xFormatter; + css::uno::Reference< css::uno::XComponentContext > m_xContext; + + std::vector< std::unique_ptr<DbGridColumn> > m_aColumns; // Column description + VclPtr<NavigationBar> m_aBar; + DbGridRowRef m_xDataRow; // Row which can be modified + // comes from the data cursor + DbGridRowRef m_xSeekRow, // Row to which the iterator can set + // comes from the data cursor + + m_xEmptyRow; // record set to insert + + ImplSVEvent * m_nAsynAdjustEvent; + + // if we modify the row for the new record, we automatically insert a "new new row". + // But if somebody else inserts a new record into the data source, we have to do the same. + // For that reason we have to listen to some properties of our data source. + rtl::Reference<::comphelper::OPropertyChangeMultiplexer> m_pDataSourcePropMultiplexer; + FmXGridSourcePropListener* m_pDataSourcePropListener; + css::uno::Reference< css::sdb::XRowsChangeListener> + m_xRowSetListener; // get notification when rows were changed + + void* m_pFieldListeners; + // property listeners for field values + + std::unique_ptr<DisposeListenerGridBridge> m_pCursorDisposeListener; + // need to know about the disposing of the seek cursor + // construct analogous to the data source proplistener/multiplexer above : + // DisposeListenerGridBridge is a bridge from FmXDisposeListener which I don't want to be derived from + + FmGridListener* m_pGridListener; + +protected: + std::unique_ptr<CursorWrapper> m_pDataCursor; // Cursor for Updates + std::unique_ptr<CursorWrapper> m_pSeekCursor; // Cursor for Seeking + +private: + // iteration variables + DbGridRowRef m_xCurrentRow; + DbGridRowRef m_xPaintRow; // Row to be displayed + sal_Int32 m_nSeekPos; // Position of the SeekCursor + sal_Int32 m_nTotalCount; // is set when the data cursor finished counting the + // records. Initial value is -1 + osl::Mutex m_aDestructionSafety; + osl::Mutex m_aAdjustSafety; + + css::util::Date + m_aNullDate; // NullDate of the Numberformatter; + + BrowserMode m_nMode; + sal_Int32 m_nCurrentPos; // Current position; + ImplSVEvent * m_nDeleteEvent; // EventId for asynchronous deletion of rows + DbGridControlOptions m_nOptions; // What is the able to do (Insert, Update, Delete) + // default readonly + DbGridControlOptions m_nOptionMask; // the mask of options to be enabled in setDataSource + // (with respect to the data source capabilities) + // defaults to (insert | update | delete) + sal_uInt16 m_nLastColId; + sal_Int32 m_nLastRowId; + + bool m_bDesignMode : 1; // default = sal_False + bool m_bRecordCountFinal : 1; + bool m_bNavigationBar : 1; + + bool m_bSynchDisplay : 1; + bool m_bHandle : 1; + bool m_bFilterMode : 1; + bool m_bWantDestruction : 1; + bool m_bPendingAdjustRows : 1; // if an async adjust is pending, is it for AdjustRows or AdjustDataSource ? + bool m_bHideScrollbars : 1; + +protected: + bool m_bUpdating : 1; // are any updates being executed right now? + +protected: + virtual bool SeekRow(sal_Int32 nRow) override; + virtual void VisibleRowsChanged( sal_Int32 nNewTopRow, sal_uInt16 nNumRows) override; + virtual void PaintCell(OutputDevice& rDev, const tools::Rectangle& rRect, sal_uInt16 nColId) const override; + virtual RowStatus GetRowStatus(sal_Int32 nRow) const override; + virtual bool CursorMoving(sal_Int32 nNewRow, sal_uInt16 nNewCol) override; + virtual void CursorMoved() override; + virtual void ArrangeControls(sal_uInt16& nX, sal_uInt16 nY) override; + virtual sal_uInt32 GetTotalCellWidth(sal_Int32 nRow, sal_uInt16 nColId) override; + virtual void Command(const CommandEvent& rEvt) override; + virtual bool PreNotify(NotifyEvent& rEvt) override; + virtual void KeyInput(const KeyEvent& rEvt) override; + virtual void StateChanged( StateChangedType nType ) override; + virtual void DataChanged( const DataChangedEvent& rDCEvt ) override; + virtual void Select() override; + + virtual ::svt::CellController* GetController(sal_Int32 nRow, sal_uInt16 nCol) override; + + virtual void CellModified() override; + virtual bool SaveModified() override; + virtual bool IsModified() const override; + + virtual sal_uInt16 AppendColumn(const OUString& rName, sal_uInt16 nWidth, sal_uInt16 nPos = HEADERBAR_APPEND, sal_uInt16 nId = sal_uInt16(-1)) override; + void RemoveColumn(sal_uInt16 nId); + std::unique_ptr<DbGridColumn> CreateColumn(sal_uInt16 nId); + virtual void ColumnMoved(sal_uInt16 nId) override; + virtual bool SaveRow() override; + virtual bool IsTabAllowed(bool bForward) const override; + + /// hide a column + virtual void HideColumn(sal_uInt16 nId); + /// show a column + virtual void ShowColumn(sal_uInt16 nId); + + /** This is called before executing a context menu for a row. rMenu contains the initial entries + handled by this base class' method (which always has to be called). + Derived classes may alter the menu in any way and handle any additional entries in + PostExecuteColumnContextMenu. + All disabled entries will be removed before executing the menu, so be careful with separators + near entries you probably wish to disable ... + */ + virtual void PreExecuteRowContextMenu(weld::Menu& rMenu); + /** After executing the context menu for a row this method is called. + */ + virtual void PostExecuteRowContextMenu(const OString& rExecutionResult); + + /// @throws css::uno::RuntimeException + void DataSourcePropertyChanged(const css::beans::PropertyChangeEvent& evt); + + void FieldValueChanged(sal_uInt16 _nId); + void FieldListenerDisposing(sal_uInt16 _nId); + + void disposing(sal_uInt16 _nId); + + // own overridables + /// called when the current row changed + virtual void onRowChange(); + /// called when the current column changed + virtual void onColumnChange(); + + // DragSourceHelper overridables + virtual void StartDrag( sal_Int8 nAction, const Point& rPosPixel ) override; + + void executeRowContextMenu(const Point& _rPreferredPos); + +public: + DbGridControl( + css::uno::Reference< css::uno::XComponentContext > const & _rxContext, + vcl::Window* pParent, + WinBits nBits); + + virtual ~DbGridControl() override; + virtual void dispose() override; + + virtual void Init() override; + virtual void InitColumnsByFields(const css::uno::Reference< css::container::XIndexAccess >& xFields) = 0; + virtual void RemoveRows() override; + + /** GetCellText returns the text at the given position + @param _nRow + the number of the row + @param _nColId + the ID of the column + @return + the text out of the cell + */ + virtual OUString GetCellText(sal_Int32 _nRow, sal_uInt16 _nColId) const override; + + void RemoveRows(bool bNewCursor); + + const css::uno::Reference< css::util::XNumberFormatter >& getNumberFormatter() const {return m_xFormatter;} + + // the data source + // the options can restrict but not extend the update abilities + void setDataSource(const css::uno::Reference< css::sdbc::XRowSet >& rCursor, + DbGridControlOptions nOpts = DbGridControlOptions::Insert | DbGridControlOptions::Update | DbGridControlOptions::Delete); + virtual void Dispatch(sal_uInt16 nId) override; + + CursorWrapper* getDataSource() const {return m_pDataCursor.get();} + const std::vector< std::unique_ptr<DbGridColumn> >& GetColumns() const {return m_aColumns;} + + void EnableHandle(bool bEnable); + bool HasHandle() const {return m_bHandle;} + void InsertHandleColumn(); + + // which position does the column with the id in the View have, the handle column doesn't count + sal_uInt16 GetViewColumnPos( sal_uInt16 nId ) const { sal_uInt16 nPos = GetColumnPos(nId); return (nPos==BROWSER_INVALIDID) ? GRID_COLUMN_NOT_FOUND : nPos-1; } + + // which position does the column with the id in m_aColumns have, that means the css::sdbcx::Container + // returned from the GetColumns (may be different from the position returned by GetViewColumnPos + // if there are hidden columns) + sal_uInt16 GetModelColumnPos( sal_uInt16 nId ) const; + + // the number of columns in the model + sal_uInt16 GetViewColCount() const { return ColCount() - 1; } + sal_uInt16 GetModelColCount() const { return static_cast<sal_uInt16>(m_aColumns.size()); } + // reverse to GetViewColumnPos: Id of position, the first non-handle column has position 0 + sal_uInt16 GetColumnIdFromViewPos( sal_uInt16 nPos ) const { return GetColumnId(nPos + 1); } + sal_uInt16 GetColumnIdFromModelPos( sal_uInt16 nPos ) const; + + virtual void SetDesignMode(bool bMode); + bool IsDesignMode() const {return m_bDesignMode;} + bool IsOpen() const {return m_pSeekCursor != nullptr;} + + void SetFilterMode(bool bMode); + bool IsFilterMode() const {return m_bFilterMode;} + bool IsFilterRow(sal_Int32 nRow) const {return m_bFilterMode && nRow == 0;} + + void EnableNavigationBar(bool bEnable); + bool HasNavigationBar() const {return m_bNavigationBar;} + + DbGridControlOptions GetOptions() const {return m_nOptions;} + NavigationBar& GetNavigationBar() {return *m_aBar;} + DbGridControlOptions SetOptions(DbGridControlOptions nOpt); + // The new options are interpreted with respect to the current data source. If it is unable + // to update, to insert or to restore, the according options are ignored. If the grid isn't + // connected to a data source, all options except OPT_READONLY are ignored. + + const css::util::Date& getNullDate() const {return m_aNullDate;} + + // positioning + void MoveToPosition(sal_uInt32 nPos); + void MoveToFirst(); + void MoveToNext(); + void MoveToPrev(); + void MoveToLast(); + void AppendNew(); + + // adjustment of the cursors in case the data cursor has been + // moved from the outside. + // the flag indicates if an adjustment of the row count should be + // done as well + void AdjustDataSource(bool bFull = false); + void Undo(); + + virtual void BeginCursorAction(); + virtual void EndCursorAction(); + + // is the current line being updated + bool IsUpdating() const {return m_bUpdating;} + + void RowRemoved( sal_Int32 nRow, sal_Int32 nNumRows = 1, bool bDoPaint = true ); + void RowInserted( sal_Int32 nRow, sal_Int32 nNumRows = 1, bool bDoPaint = true ); + void RowModified( sal_Int32 nRow ); + + void resetCurrentRow(); + + bool getDisplaySynchron() const { return m_bSynchDisplay; } + void setDisplaySynchron(bool bSync); + // when set to sal_False, the display is no longer in sync with the current cursor position + // (means that in AdjustDataSource we are jumping to a row not belonging to CursorPosition) + // when using this, you should know what you are doing, because for example entering data + // in a row in the display that is not in sync with the position of the cursor can be very critical + + const DbGridRowRef& GetCurrentRow() const {return m_xCurrentRow;} + + void SetStateProvider(const Link<DbGridControlNavigationBarState,int>& rProvider) { m_aMasterStateProvider = rProvider; } + // if this link is set the given provider will be asked for the state of my items. + // the return values are interpreted as follows : + // <0 -> not specified (use default mechanism to determine the state) + // ==0 -> the item is disabled + // >0 -> the item is enabled + void SetSlotExecutor(const Link<DbGridControlNavigationBarState,bool>& rExecutor) { m_aMasterSlotExecutor = rExecutor; } + // analogous : if this link is set, all nav-bar slots will be routed through it when executed + // if the handler returns nonzero, no further handling of the slot occurs + + void EnablePermanentCursor(bool bEnable); + bool IsPermanentCursorEnabled() const; + + /** forces both scrollbars to be hidden + + For the horizontal scrollbar, this is overruled by enabling the navigation bar: A navigation + bar <b>always</b> implies a horizontal scroll bar + @seealso EnableNavigationBar + */ + void ForceHideScrollbars(); + + const css::uno::Reference< css::uno::XComponentContext >& + getContext() const { return m_xContext; } + + /// returns <TRUE/> if the text of the given cell can be copied into the clipboard + bool canCopyCellText(sal_Int32 _nRow, sal_uInt16 _nColId); + /// copies the text of the given cell into the clipboard + void copyCellText(sal_Int32 _nRow, sal_uInt16 _nColId); + + // select in listener handling + void setGridListener( FmGridListener* _pListener ) { m_pGridListener = _pListener; } + + // helper class to grant access to selected methods from within the DbCellControl class + struct GrantControlAccess final + { + friend class DbCellControl; + friend class RowSetEventListener; + }; + + /// called when a controller needs to be re-initialized + void refreshController(sal_uInt16 _nColId, GrantControlAccess _aAccess); + + CursorWrapper* GetSeekCursor(GrantControlAccess /*_aAccess*/) const { return m_pSeekCursor.get(); } + const DbGridRowRef& GetSeekRow(GrantControlAccess /*_aAccess*/) const { return m_xSeekRow; } + void SetSeekPos(sal_Int32 nPos,GrantControlAccess /*_aAccess*/) {m_nSeekPos = nPos;} + + /** + @return + The count of additional controls of the control area. + */ + virtual sal_Int32 GetAccessibleControlCount() const override; + + /** Creates the accessible object of an additional control. + @param _nIndex + The 0-based index of the control. + @return + The XAccessible interface of the specified control. + */ + virtual css::uno::Reference< + css::accessibility::XAccessible > + CreateAccessibleControl( sal_Int32 _nIndex ) override; + + // IAccessibleTableProvider + /** Creates the accessible object of a data table cell. + @param nRow The row index of the cell. + @param nColumnId The column ID of the cell. + @return The XAccessible interface of the specified cell. */ + virtual css::uno::Reference< + css::accessibility::XAccessible > + CreateAccessibleCell( sal_Int32 nRow, sal_uInt16 nColumnId ) override; + +protected: + void RecalcRows(sal_Int32 nNewTopRow, sal_uInt16 nLinesOnScreen, bool bUpdateCursor); + bool SeekCursor(sal_Int32 nRow, bool bAbsolute = false); + void RemoveColumns(); // cleaning of own structures + void AdjustRows(); + sal_Int32 AlignSeekCursor(); + bool SetCurrent(sal_Int32 nNewRow); + + OUString GetCurrentRowCellText(DbGridColumn const * pCol,const DbGridRowRef& _rRow) const; + virtual void DeleteSelectedRows(); + static bool IsValid(const DbGridRowRef& _xRow) { return _xRow.is() && _xRow->IsValid(); } + + // row which is currently being appended + bool IsCurrentAppending() const; + + // empty row for insertion + bool IsInsertionRow(sal_Int32 nRow) const; + + void SetSeekPos(sal_Int32 nPos) {m_nSeekPos = nPos;} + sal_Int32 GetCurrentPos() const {return m_nCurrentPos;} + sal_Int32 GetSeekPos() const {return m_nSeekPos;} + sal_Int32 GetTotalCount() const {return m_nTotalCount;} + + const DbGridRowRef& GetEmptyRow() const { return m_xEmptyRow; } + const DbGridRowRef& GetSeekRow() const { return m_xSeekRow; } + const DbGridRowRef& GetPaintRow() const { return m_xPaintRow; } + + void ConnectToFields(); + void DisconnectFromFields(); + + void implAdjustInSolarThread(bool _bRows); + // calls AdjustRows or AdjustDataSource, synchron if the caller is running in the solar thread, else asynchron + +protected: + void ImplInitWindow( const InitWindowFacet _eInitWhat ); + DECL_DLLPRIVATE_LINK(OnDelete, void*, void); + + DECL_DLLPRIVATE_LINK(OnAsyncAdjust, void*, void); + // if the param is != NULL, AdjustRows will be called, else AdjustDataSource + +private: + using BrowseBox::InsertHandleColumn; +}; + +#endif // INCLUDED_SVX_GRIDCTRL_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |