office-gobmx/include/svx/gridctrl.hxx
Caolán McNamara 91dffd7424 weld rows menu
Change-Id: I0dd56e2c236b15b057ddd0f2d93019b783d457d0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/111218
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
2021-02-19 16:10:44 +01:00

601 lines
24 KiB
C++

/* -*- 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// row is no longer valid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;
GrantControlAccess() { }
};
/// 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_LINK(OnDelete, void*, void);
DECL_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: */