xref: /aoo41x/main/svtools/inc/svtools/accessibletable.hxx (revision 01aa44aa)

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 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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 *************************************************************/



#ifndef _SVTOOLS_ACCESSIBLETABLE_HXX
#define _SVTOOLS_ACCESSIBLETABLE_HXX

#include <vcl/window.hxx>
#include <unotools/accessiblestatesethelper.hxx>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>

// ============================================================================

namespace svt{ namespace table
{

typedef sal_Int32   RowPos;

// ============================================================================

enum AccessibleTableType
{
    /** Child index of the column header bar (first row). */
    TCINDEX_COLUMNHEADERBAR = 0,
    /** Child index of the row header bar ("handle column"). */
    TCINDEX_ROWHEADERBAR    = 1,
    /** Child index of the data table. */
    TCINDEX_TABLE           = 2
};

enum AccessibleTableControlObjType
{
    TCTYPE_GRIDCONTROL,           /// The GridControl itself.
    TCTYPE_TABLE,               /// The data table.
    TCTYPE_ROWHEADERBAR,        /// The row header bar.
    TCTYPE_COLUMNHEADERBAR,     /// The horizontal column header bar.
    TCTYPE_TABLECELL,           /// A cell of the data table.
    TCTYPE_ROWHEADERCELL,       /// A cell of the row header bar.
    TCTYPE_COLUMNHEADERCELL,    /// A cell of the column header bar.
};

// ============================================================================

#define	XACC ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >

/** This abstract class provides methods to implement an accessible table object.
*/
class IAccessibleTable
{
public:
    /** @return  The position of the current row. */
	virtual sal_Int32				GetCurrentRow() const = 0;
    /** @return  The position of the current column. */
	virtual sal_Int32				GetCurrentColumn() const = 0;
	/** Creates and returns the accessible object of the whole GridControl. */
	virtual XACC CreateAccessible()= 0;
	virtual XACC CreateAccessibleControl( sal_Int32 _nIndex )= 0;
	virtual ::rtl::OUString GetAccessibleObjectName(AccessibleTableControlObjType eObjType, sal_Int32 _nRow, sal_Int32 _nCol) const= 0;
	virtual sal_Bool	GoToCell( sal_Int32 _nColumnPos, sal_Int32 _nRow )= 0;
	virtual sal_Bool	HasColHeader() = 0;
	virtual sal_Bool	HasRowHeader() = 0;

	/** return the description of the specified object.
		@param	eObjType
			The type to ask for
		@param	_nPosition
			The position of a tablecell (index position), header bar  colum/row cell
		@return
			The description of the specified object.
	*/
	virtual ::rtl::OUString GetAccessibleObjectDescription(AccessibleTableControlObjType eObjType, sal_Int32 _nPosition = -1) const= 0;

	/** Fills the StateSet with all states (except DEFUNC and SHOWING, done by
        	the accessible object), depending on the specified object type. */
	virtual void FillAccessibleStateSet( ::utl::AccessibleStateSetHelper& rStateSet,
			AccessibleTableControlObjType eObjType ) const= 0;

	// Window
    virtual Rectangle GetWindowExtentsRelative( Window *pRelativeWindow ) const = 0;
    virtual void GrabFocus()= 0;
    virtual XACC GetAccessible( sal_Bool bCreate = sal_True )= 0;
    virtual Window*	GetAccessibleParentWindow() const= 0;
    virtual Window*	GetWindowInstance()= 0;
	virtual sal_Int32 GetAccessibleControlCount() const = 0;
	virtual sal_Bool ConvertPointToControlIndex( sal_Int32& _rnIndex, const Point& _rPoint )= 0;
	virtual	long GetRowCount() const= 0;
	virtual	long GetColumnCount() const= 0;
	virtual sal_Bool HasRowHeader() const= 0;
	virtual sal_Bool ConvertPointToCellAddress( sal_Int32& _rnRow, sal_Int32& _rnColPos, const Point& _rPoint )= 0;
	virtual Rectangle calcHeaderRect( sal_Bool _bIsColumnBar, sal_Bool _bOnScreen = sal_True ) = 0;
    virtual Rectangle calcHeaderCellRect( sal_Bool _bColHeader, sal_Int32 _nPos ) = 0;
	virtual Rectangle calcTableRect( sal_Bool _bOnScreen = sal_True ) = 0;
    virtual Rectangle calcCellRect( sal_Int32 _nRowPos, sal_Int32 _nColPos ) = 0;
	virtual Rectangle GetFieldCharacterBounds(sal_Int32 _nRow,sal_Int32 _nColumnPos,sal_Int32 nIndex)= 0;
	virtual sal_Int32 GetFieldIndexAtPoint(sal_Int32 _nRow,sal_Int32 _nColumnPos,const Point& _rPoint)= 0;
	virtual void FillAccessibleStateSetForCell( ::utl::AccessibleStateSetHelper& _rStateSet, sal_Int32 _nRow, sal_uInt16 _nColumnPos ) const= 0;
	virtual ::rtl::OUString	GetRowDescription( sal_Int32 _nRow ) const = 0;
	virtual ::rtl::OUString GetRowName(sal_Int32 _nIndex) const = 0;
	virtual ::rtl::OUString	GetColumnDescription( sal_uInt16 _nColumnPos ) const = 0;
	virtual ::rtl::OUString	GetColumnName( sal_Int32 _nIndex ) const = 0;
	virtual ::com::sun::star::uno::Any GetCellContent( sal_Int32 _nRowPos, sal_Int32 _nColPos) const = 0;
	virtual ::rtl::OUString GetAccessibleCellText(sal_Int32 _nRowPos, sal_Int32 _nColPos) const = 0;

    virtual sal_Int32 GetSelectedRowCount() const = 0;
    virtual sal_Int32 GetSelectedRowIndex( sal_Int32 const i_selectionIndex ) const = 0;
	virtual bool IsRowSelected( sal_Int32 const i_rowIndex ) const = 0;
    virtual void SelectRow( sal_Int32 const i_rowIndex, bool const i_select ) = 0;
	virtual void SelectAllRows( bool const i_select ) = 0;
};

// ----------------------------------------------------------------------------

/** interface for an implementation of a table control's Accesible component
*/
class IAccessibleTableControl
{
public:
    /** returns the XAccessible object itself

        The reference returned here can be used to control the life time of the
        IAccessibleTableImplementation object.

        The returned reference is guaranteed to not be <NULL/>.
    */
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
        getMyself() = 0;

    /** disposes the accessible implementation, so that it becomes defunc
    */
    virtual void dispose() = 0;

    /** checks whether the accessible implementation, and its context, are still alive
        @return  <TRUE/>, if the object is not disposed or disposing.
    */
    virtual sal_Bool isAlive() const = 0;

	/** returns the accessible object for the row or the column header bar
	*/
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
		getTableHeader( ::svt::table::AccessibleTableControlObjType _eObjType ) = 0;

    /** returns the accessible object for the table representation
	*/
	virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
		getTable() = 0;

	/** commits the event at all listeners of the cell
 		@param nEventId
 			the event id
 		@param rNewValue
 			the new value
  		@param rOldValue
 			the old value
  	*/
 	virtual void commitCellEvent(
         sal_Int16 nEventId,
         const ::com::sun::star::uno::Any& rNewValue,
         const ::com::sun::star::uno::Any& rOldValue
     ) = 0;
	/** commits the event at all listeners of the table
 		@param nEventId
 			the event id
 		@param rNewValue
 			the new value
  		@param rOldValue
 			the old value
  	*/
 	virtual void commitTableEvent(
         sal_Int16 nEventId,
         const ::com::sun::star::uno::Any& rNewValue,
         const ::com::sun::star::uno::Any& rOldValue
     ) = 0;

	///** Commits an event to all listeners. */
    virtual void commitEvent(
        sal_Int16 nEventId,
        const ::com::sun::star::uno::Any& rNewValue,
        const ::com::sun::star::uno::Any& rOldValue
    ) = 0;
};

// ----------------------------------------------------------------------------

// ============================================================================
} // namespace table
} // namespace svt

// ============================================================================

#endif // _SVTOOLS_ACCESSIBLETABLE_HXX