include/svtools/accessibletable.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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   9  * This file incorporates work covered by the following license notice:
  10  *
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  12  *   contributor license agreements. See the NOTICE file distributed
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SVTOOLS_ACCESSIBLETABLE_HXX
  21 #define INCLUDED_SVTOOLS_ACCESSIBLETABLE_HXX
  22
  23 #include <vcl/window.hxx>
  24 #include <unotools/accessiblestatesethelper.hxx>
  25 #include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
  26
  27
  28 namespace svt{ namespace table
  29 {
  30
  31 typedef sal_Int32   RowPos;
  32
  33 enum AccessibleTableControlObjType
  34 {
  35     TCTYPE_GRIDCONTROL,           /// The GridControl itself.
  36     TCTYPE_TABLE,               /// The data table.
  37     TCTYPE_ROWHEADERBAR,        /// The row header bar.
  38     TCTYPE_COLUMNHEADERBAR,     /// The horizontal column header bar.
  39     TCTYPE_TABLECELL,           /// A cell of the data table.
  40     TCTYPE_ROWHEADERCELL,       /// A cell of the row header bar.
  41     TCTYPE_COLUMNHEADERCELL,    /// A cell of the column header bar.
  42 };
  43
  44
  45 /** This abstract class provides methods to implement an accessible table object.
  46 */
  47 class IAccessibleTable
  48 {
  49 public:
  50     /** @return  The position of the current row. */
  51     virtual sal_Int32               GetCurrentRow() const = 0;
  52     /** @return  The position of the current column. */
  53     virtual sal_Int32               GetCurrentColumn() const = 0;
  54     virtual css::uno::Reference< css::accessibility::XAccessible > CreateAccessibleControl( sal_Int32 _nIndex )= 0;
  55     virtual OUString GetAccessibleObjectName(AccessibleTableControlObjType eObjType, sal_Int32 _nRow, sal_Int32 _nCol) const= 0;
  56     virtual void    GoToCell( sal_Int32 _nColumnPos, sal_Int32 _nRow )= 0;
  57     virtual bool    HasColHeader() = 0;
  58     virtual bool    HasRowHeader() = 0;
  59
  60     /** return the description of the specified object.
  61         @param  eObjType
  62             The type to ask for
  63         @return
  64             The description of the specified object.
  65     */
  66     virtual OUString GetAccessibleObjectDescription(AccessibleTableControlObjType eObjType) const= 0;
  67
  68     /** Fills the StateSet with all states (except DEFUNC and SHOWING, done by
  69             the accessible object), depending on the specified object type. */
  70     virtual void FillAccessibleStateSet( ::utl::AccessibleStateSetHelper& rStateSet,
  71             AccessibleTableControlObjType eObjType ) const= 0;
  72
  73     // Window
  74     virtual tools::Rectangle GetWindowExtentsRelative( vcl::Window *pRelativeWindow ) const = 0;
  75     virtual void GrabFocus()= 0;
  76     virtual css::uno::Reference< css::accessibility::XAccessible > GetAccessible()= 0;
  77     virtual vcl::Window* GetAccessibleParentWindow() const= 0;
  78     virtual vcl::Window* GetWindowInstance()= 0;
  79     virtual sal_Int32 GetAccessibleControlCount() const = 0;
  80     virtual bool ConvertPointToControlIndex( sal_Int32& _rnIndex, const Point& _rPoint )= 0;
  81     virtual long GetRowCount() const= 0;
  82     virtual long GetColumnCount() const= 0;
  83     virtual bool ConvertPointToCellAddress( sal_Int32& _rnRow, sal_Int32& _rnColPos, const Point& _rPoint )= 0;
  84     virtual tools::Rectangle calcHeaderRect( bool _bIsColumnBar ) = 0;
  85     virtual tools::Rectangle calcHeaderCellRect( bool _bColHeader, sal_Int32 _nPos ) = 0;
  86     virtual tools::Rectangle calcTableRect() = 0;
  87     virtual tools::Rectangle calcCellRect( sal_Int32 _nRowPos, sal_Int32 _nColPos ) = 0;
  88     virtual tools::Rectangle GetFieldCharacterBounds(sal_Int32 _nRow,sal_Int32 _nColumnPos,sal_Int32 nIndex)= 0;
  89     virtual sal_Int32 GetFieldIndexAtPoint(sal_Int32 _nRow,sal_Int32 _nColumnPos,const Point& _rPoint)= 0;
  90     virtual void FillAccessibleStateSetForCell( ::utl::AccessibleStateSetHelper& _rStateSet, sal_Int32 _nRow, sal_uInt16 _nColumnPos ) const= 0;
  91     virtual OUString GetRowDescription( sal_Int32 _nRow ) const = 0;
  92     virtual OUString GetRowName(sal_Int32 _nIndex) const = 0;
  93     virtual OUString GetColumnDescription( sal_uInt16 _nColumnPos ) const = 0;
  94     virtual OUString GetColumnName( sal_Int32 _nIndex ) const = 0;
  95     virtual OUString GetAccessibleCellText(sal_Int32 _nRowPos, sal_Int32 _nColPos) const = 0;
  96
  97     virtual sal_Int32 GetSelectedRowCount() const = 0;
  98     virtual sal_Int32 GetSelectedRowIndex( sal_Int32 const i_selectionIndex ) const = 0;
  99     virtual bool IsRowSelected( sal_Int32 const i_rowIndex ) const = 0;
 100     virtual void SelectRow( sal_Int32 const i_rowIndex, bool const i_select ) = 0;
 101     virtual void SelectAllRows( bool const i_select ) = 0;
 102
 103 protected:
 104     ~IAccessibleTable() {}
 105 };
 106
 107
 108 /** interface for an implementation of a table control's Accessible component
 109 */
 110 class IAccessibleTableControl
 111 {
 112 public:
 113     /** returns the XAccessible object itself
 114
 115         The reference returned here can be used to control the life time of the
 116         IAccessibleTableImplementation object.
 117
 118         The returned reference is guaranteed to not be <NULL/>.
 119     */
 120     virtual css::uno::Reference< css::accessibility::XAccessible >
 121         getMyself() = 0;
 122
 123     /** disposes the accessible implementation, so that it becomes defunc
 124     */
 125     virtual void DisposeAccessImpl() = 0;
 126
 127     /** checks whether the accessible implementation, and its context, are still alive
 128         @return  <TRUE/>, if the object is not disposed or disposing.
 129     */
 130     virtual bool isAlive() const = 0;
 131
 132     /** commits the event at all listeners of the cell
 133          @param nEventId
 134              the event id
 135          @param rNewValue
 136              the new value
 137           @param rOldValue
 138              the old value
 139       */
 140      virtual void commitCellEvent(
 141          sal_Int16 nEventId,
 142          const css::uno::Any& rNewValue,
 143          const css::uno::Any& rOldValue
 144      ) = 0;
 145     /** commits the event at all listeners of the table
 146          @param nEventId
 147              the event id
 148          @param rNewValue
 149              the new value
 150           @param rOldValue
 151              the old value
 152       */
 153      virtual void commitTableEvent(
 154          sal_Int16 nEventId,
 155          const css::uno::Any& rNewValue,
 156          const css::uno::Any& rOldValue
 157      ) = 0;
 158
 159     ///** Commits an event to all listeners. */
 160     virtual void commitEvent(
 161         sal_Int16 nEventId,
 162         const css::uno::Any& rNewValue
 163     ) = 0;
 164
 165 protected:
 166     ~IAccessibleTableControl() {}
 167 };
 168
 169
 170 } // namespace table
 171 } // namespace svt
 172
 173 #endif // INCLUDED_SVTOOLS_ACCESSIBLETABLE_HXX
 174
 175 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */