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+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <memory>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleScrollType.hpp>
+#include <com/sun/star/accessibility/XAccessibleText.hpp>
+#include <com/sun/star/accessibility/XAccessibleTable.hpp>
+#include <com/sun/star/accessibility/XAccessibleSelection.hpp>
+#include <tools/gen.hxx>
+#include <rtl/ref.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <comphelper/accessiblecomponenthelper.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <editeng/AccessibleStaticTextBase.hxx>
+#include <comphelper/uno3.hxx>
+#include <map>
+
+class ScCsvControl;
+
+/** Accessible base class used for CSV controls. */
+class ScAccessibleCsvControl : public comphelper::OAccessibleComponentHelper
+{
+private:
+ ScCsvControl* mpControl; /// Pointer to the VCL control.
+
+public:
+ explicit ScAccessibleCsvControl(ScCsvControl& rControl);
+ virtual ~ScAccessibleCsvControl() override;
+
+ virtual void SAL_CALL disposing() override;
+
+ virtual void SAL_CALL grabFocus( ) override;
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const css::awt::Point& aPoint ) override;
+
+ // events -----------------------------------------------------------------
+public:
+ /** Sends a GetFocus or LoseFocus event to all listeners. */
+ virtual void SendFocusEvent( bool bFocused );
+ /** Sends a caret changed event to all listeners. */
+ virtual void SendCaretEvent();
+ /** Sends a visible area changed event to all listeners. */
+ void SendVisibleEvent();
+ /** Sends a selection changed event to all listeners. */
+ void SendSelectionEvent();
+ /** Sends a table model changed event for changed cell contents to all listeners. */
+ virtual void SendTableUpdateEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn, bool bAllRows );
+ /** Sends a table model changed event for an inserted column to all listeners. */
+ virtual void SendInsertColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn );
+ /** Sends a table model changed event for a removed column to all listeners. */
+ virtual void SendRemoveColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn );
+
+ // helpers ----------------------------------------------------------------
+protected:
+ virtual css::awt::Rectangle implGetBounds() override;
+
+ /** Returns the VCL control. Assumes a living object. */
+ ScCsvControl& implGetControl() const;
+
+ /** Creates a StateSet and fills it with DEFUNC, OPAQUE, ENABLED, SHOWING and VISIBLE. */
+ sal_Int64 implCreateStateSet();
+};
+
+class ScCsvRuler;
+
+/** Accessible class representing the CSV ruler control. */
+class ScAccessibleCsvRuler : public cppu::ImplInheritanceHelper<
+ ScAccessibleCsvControl,
+ css::accessibility::XAccessible,
+ css::accessibility::XAccessibleText>
+{
+private:
+ OUStringBuffer maBuffer; /// Contains the text representation of the ruler.
+
+public:
+ explicit ScAccessibleCsvRuler( ScCsvRuler& rRuler );
+ virtual ~ScAccessibleCsvRuler() override;
+
+ // XAccessibleComponent -----------------------------------------------------
+ virtual css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) override { return this; }
+
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) override;
+
+ virtual OUString SAL_CALL getAccessibleDescription( ) override;
+ virtual OUString SAL_CALL getAccessibleName( ) override;
+
+ virtual sal_Int32 SAL_CALL getForeground( ) override;
+
+ virtual sal_Int32 SAL_CALL getBackground( ) override;
+
+ // XAccessibleContext -----------------------------------------------------
+
+ /** Returns the child count (the ruler does not have children). */
+ virtual sal_Int64 SAL_CALL getAccessibleChildCount() override;
+
+ /** Throws an exception (the ruler does not have children). */
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int64 nIndex ) override;
+
+ virtual sal_Int16 SAL_CALL getAccessibleRole( ) override { return css::accessibility::AccessibleRole::TEXT; }
+
+ /** Returns the relation to the grid control. */
+ virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet() override;
+
+ /** Returns the current set of states. */
+ virtual sal_Int64 SAL_CALL getAccessibleStateSet() override;
+
+ // XAccessibleText --------------------------------------------------------
+
+ /** Return the position of the caret. */
+ virtual sal_Int32 SAL_CALL getCaretPosition() override;
+
+ /** Sets the position of the caret. */
+ virtual sal_Bool SAL_CALL setCaretPosition( sal_Int32 nIndex ) override;
+
+ /** Returns the specified character. */
+ virtual sal_Unicode SAL_CALL getCharacter( sal_Int32 nIndex ) override;
+
+ /** Returns the attributes of the specified character. */
+ virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL getCharacterAttributes( sal_Int32 nIndex, const css::uno::Sequence< OUString >& aRequestedAttributes ) override;
+
+ /** Returns the screen coordinates of the specified character. */
+ virtual css::awt::Rectangle SAL_CALL getCharacterBounds( sal_Int32 nIndex ) override;
+
+ /** Returns the count of characters. */
+ virtual sal_Int32 SAL_CALL getCharacterCount() override;
+
+ /** Returns the character index at the specified coordinate (object's coordinate system). */
+ virtual sal_Int32 SAL_CALL getIndexAtPoint( const css::awt::Point& rPoint ) override;
+
+ /** Returns the selected text (ruler returns empty string). */
+ virtual OUString SAL_CALL getSelectedText() override;
+
+ /** Returns the start index of the selection (ruler returns -1). */
+ virtual sal_Int32 SAL_CALL getSelectionStart() override;
+
+ /** Returns the end index of the selection (ruler returns -1). */
+ virtual sal_Int32 SAL_CALL getSelectionEnd() override;
+
+ /** Selects a part of the text (ruler does nothing). */
+ virtual sal_Bool SAL_CALL setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
+
+ /** Returns the entire text. */
+ virtual OUString SAL_CALL getText() override;
+
+ /** Returns the specified range [Start,End) of the text. */
+ virtual OUString SAL_CALL getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
+
+ /** Returns the specified text portion. */
+ virtual css::accessibility::TextSegment SAL_CALL getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
+ virtual css::accessibility::TextSegment SAL_CALL getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
+ virtual css::accessibility::TextSegment SAL_CALL getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
+
+ /** Copies the specified text range into the clipboard (ruler does nothing). */
+ virtual sal_Bool SAL_CALL copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
+
+ virtual sal_Bool SAL_CALL scrollSubstringTo( sal_Int32 nStartIndex, sal_Int32 nEndIndex, css::accessibility::AccessibleScrollType aScrollType) override;
+
+ // events -----------------------------------------------------------------
+public:
+ /** Sends a caret changed event to all listeners. */
+ virtual void SendCaretEvent() override;
+
+ // helpers ----------------------------------------------------------------
+private:
+
+ /** @throws css::lang::IndexOutOfBoundsException if the specified character position is invalid (outside 0..len-1). */
+ void ensureValidIndex( sal_Int32 nIndex ) const;
+ /** @throws css::lang::IndexOutOfBoundsException if the specified character position is invalid (outside 0..len). */
+ void ensureValidIndexWithEnd( sal_Int32 nIndex ) const;
+ /** @throws css::lang::IndexOutOfBoundsException if the specified character range [Start,End) is invalid.
+ @descr If Start>End, swaps Start and End before checking. */
+ void ensureValidRange( sal_Int32& rnStartIndex, sal_Int32& rnEndIndex ) const;
+
+ /** Returns the VCL ruler control. Assumes a living object. */
+ ScCsvRuler& implGetRuler() const;
+
+ /** Builds the entire string buffer.
+
+ @throws css::uno::RuntimeException
+ */
+ void constructStringBuffer();
+ /** Returns the character count of the text. */
+ sal_Int32 implGetTextLength() const;
+
+ /** Returns true, if the character at the specified index has a split. */
+ bool implHasSplit( sal_Int32 nApiPos );
+
+ /** Returns the first character index with equal formatting as at nApiPos. */
+ sal_Int32 implGetFirstEqualFormatted( sal_Int32 nApiPos );
+ /** Returns the last character index with equal formatting as at nApiPos. */
+ sal_Int32 implGetLastEqualFormatted( sal_Int32 nApiPos );
+};
+
+class ScCsvGrid;
+class ScAccessibleCsvCell;
+
+/** Accessible class representing the CSV grid control. */
+class ScAccessibleCsvGrid : public cppu::ImplInheritanceHelper<
+ ScAccessibleCsvControl,
+ css::accessibility::XAccessible,
+ css::accessibility::XAccessibleTable,
+ css::accessibility::XAccessibleSelection>
+{
+protected:
+ typedef std::map< sal_Int64, rtl::Reference<ScAccessibleCsvCell> > XAccessibleSet;
+
+private:
+ XAccessibleSet maAccessibleChildren;
+
+public:
+ explicit ScAccessibleCsvGrid( ScCsvGrid& rGrid );
+ virtual ~ScAccessibleCsvGrid() override;
+ virtual void SAL_CALL disposing() override;
+
+ // XAccessibleComponent ---------------------------------------------------
+ virtual css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) override { return this; }
+
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) override;
+
+ /** Returns the cell at the specified point. */
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const css::awt::Point& rPoint ) override;
+
+ virtual OUString SAL_CALL getAccessibleDescription( ) override;
+ virtual OUString SAL_CALL getAccessibleName( ) override;
+
+ virtual sal_Int32 SAL_CALL getForeground( ) override;
+
+ virtual sal_Int32 SAL_CALL getBackground( ) override;
+
+ virtual sal_Int16 SAL_CALL getAccessibleRole( ) override { return css::accessibility::AccessibleRole::TABLE; }
+
+ // XAccessibleContext -----------------------------------------------------
+
+ /** Returns the child count (count of cells in the table). */
+ virtual sal_Int64 SAL_CALL getAccessibleChildCount() override;
+
+ /** Returns the specified child cell. */
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int64 nIndex ) override;
+
+ /** Returns the relation to the ruler control. */
+ virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet() override;
+
+ /** Returns the current set of states. */
+ virtual sal_Int64 SAL_CALL getAccessibleStateSet() override;
+
+ // XAccessibleTable -------------------------------------------------------
+
+ /** Returns the number of rows in the table. */
+ virtual sal_Int32 SAL_CALL getAccessibleRowCount() override;
+
+ /** Returns the number of columns in the table. */
+ virtual sal_Int32 SAL_CALL getAccessibleColumnCount() override;
+
+ /** Returns the description of the specified row in the table. */
+ virtual OUString SAL_CALL getAccessibleRowDescription( sal_Int32 nRow ) override;
+
+ /** Returns the description text of the specified column in the table. */
+ virtual OUString SAL_CALL getAccessibleColumnDescription( sal_Int32 nColumn ) override;
+
+ /** Returns the number of rows occupied at a specified row and column.
+ @descr Returns always 1 (Merged cells not supported). */
+ virtual sal_Int32 SAL_CALL getAccessibleRowExtentAt( sal_Int32 nRow, sal_Int32 nColumn ) override;
+
+ /** Returns the number of rows occupied at a specified row and column.
+ @descr Returns always 1 (Merged cells not supported). */
+ virtual sal_Int32 SAL_CALL getAccessibleColumnExtentAt( sal_Int32 nRow, sal_Int32 nColumn ) override;
+
+ /** Returns the row headers as an AccessibleTable. */
+ virtual css::uno::Reference< css::accessibility::XAccessibleTable > SAL_CALL getAccessibleRowHeaders() override;
+
+ /** Returns the column headers as an AccessibleTable. */
+ virtual css::uno::Reference< css::accessibility::XAccessibleTable > SAL_CALL getAccessibleColumnHeaders() override;
+
+ /** Returns the selected rows as a sequence. */
+ virtual css::uno::Sequence< sal_Int32 > SAL_CALL getSelectedAccessibleRows() override;
+
+ /** Returns the selected columns as a sequence. */
+ virtual css::uno::Sequence< sal_Int32 > SAL_CALL getSelectedAccessibleColumns() override;
+
+ /** Returns true, if the specified row is selected. */
+ virtual sal_Bool SAL_CALL isAccessibleRowSelected( sal_Int32 nRow ) override;
+
+ /** Returns true, if the specified column is selected. */
+ virtual sal_Bool SAL_CALL isAccessibleColumnSelected( sal_Int32 nColumn ) override;
+
+ /** Returns the accessible cell object at the specified position. */
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleCellAt( sal_Int32 nRow, sal_Int32 nColumn ) override;
+
+ /** Returns the caption object of the table. */
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleCaption() override;
+
+ /** Returns the summary description object of the table. */
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleSummary() override;
+
+ /** Returns true, if the cell at a specified position is selected. */
+ virtual sal_Bool SAL_CALL isAccessibleSelected( sal_Int32 nRow, sal_Int32 nColumn ) override;
+
+ /** Returns the child index of the cell at the specified position. */
+ virtual sal_Int64 SAL_CALL getAccessibleIndex( sal_Int32 nRow, sal_Int32 nColumn ) override;
+
+ /** Returns the row index of the specified child. */
+ virtual sal_Int32 SAL_CALL getAccessibleRow( sal_Int64 nChildIndex ) override;
+
+ /** Returns the column index of the specified child. */
+ virtual sal_Int32 SAL_CALL getAccessibleColumn( sal_Int64 nChildIndex ) override;
+
+ // XAccessibleSelection ---------------------------------------------------
+
+ /** Selects the specified child (selects the entire column or the entire table). */
+ virtual void SAL_CALL selectAccessibleChild( sal_Int64 nChildIndex ) override;
+
+ /** Returns true, if the specified child is selected. */
+ virtual sal_Bool SAL_CALL isAccessibleChildSelected( sal_Int64 nChildIndex ) override;
+
+ /** Deselects all cells. */
+ virtual void SAL_CALL clearAccessibleSelection() override;
+
+ /** Selects all cells. */
+ virtual void SAL_CALL selectAllAccessibleChildren() override;
+
+ /** Returns the count of selected children. */
+ virtual sal_Int64 SAL_CALL getSelectedAccessibleChildCount() override;
+
+ /** Returns the child with the specified index in all selected children. */
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild( sal_Int64 nSelectedChildIndex ) override;
+
+ /** Deselects the child with the specified index in all selected children. */
+ virtual void SAL_CALL deselectAccessibleChild( sal_Int64 nSelectedChildIndex ) override;
+
+ // events -----------------------------------------------------------------
+public:
+ /** Sends a GetFocus or LoseFocus event to all listeners. */
+ virtual void SendFocusEvent( bool bFocused ) override;
+ /** Sends a table model changed event for changed cell contents to all listeners. */
+ virtual void SendTableUpdateEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn, bool bAllRows ) override;
+ /** Sends a table model changed event for an inserted column to all listeners. */
+ virtual void SendInsertColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn ) override;
+ /** Sends a table model changed event for a removed column to all listeners. */
+ virtual void SendRemoveColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn ) override;
+
+ // helpers ----------------------------------------------------------------
+private:
+
+ /** @throws css::lang::IndexOutOfBoundsException if nIndex is not a valid child index. */
+ void ensureValidIndex( sal_Int64 nIndex ) const;
+ /** @Throws css::lang::IndexOutOfBoundsException if the specified position is invalid. */
+ void ensureValidPosition( sal_Int32 nRow, sal_Int32 nColumn ) const;
+
+ /** Returns the VCL grid control. Assumes a living object. */
+ ScCsvGrid& implGetGrid() const;
+
+ /** Returns true, if the specified column (including header) is selected. */
+ bool implIsColumnSelected( sal_Int32 nColumn ) const;
+ /** Selects the specified column (including header). */
+ void implSelectColumn( sal_Int32 nColumn, bool bSelect );
+
+ /** Returns the count of visible rows in the table (including header). */
+ sal_Int32 implGetRowCount() const;
+ /** Returns the total column count in the table (including header). */
+ sal_Int32 implGetColumnCount() const;
+ /** Returns the count of selected columns in the table. */
+ sal_Int32 implGetSelColumnCount() const;
+ /** Returns the total cell count in the table (including header). */
+ sal_Int64 implGetCellCount() const { return static_cast<sal_Int64>(implGetRowCount()) * static_cast<sal_Int64>(implGetColumnCount()); }
+
+ /** Returns the row index from cell index (including header). */
+ sal_Int32 implGetRow( sal_Int64 nIndex ) const { return nIndex / implGetColumnCount(); }
+ /** Returns the column index from cell index (including header). */
+ sal_Int32 implGetColumn( sal_Int64 nIndex ) const { return nIndex % implGetColumnCount(); }
+ /** Returns the absolute column index of the nSelColumn-th selected column. */
+ sal_Int32 implGetSelColumn( sal_Int32 nSelColumn ) const;
+ /** Returns the child index from cell position (including header). */
+ sal_Int64 implGetIndex( sal_Int32 nRow, sal_Int32 nColumn ) const { return static_cast<sal_Int64>(nRow) * static_cast<sal_Int64>(implGetColumnCount()) + nColumn; }
+
+ /** Returns the contents of the specified cell (including header). Indexes must be valid. */
+ OUString implGetCellText( sal_Int32 nRow, sal_Int32 nColumn ) const;
+ /** Creates a new accessible object of the specified cell. Indexes must be valid. */
+ rtl::Reference<ScAccessibleCsvCell> implCreateCellObj(sal_Int32 nRow, sal_Int32 nColumn);
+
+ css::uno::Reference<css::accessibility::XAccessible> getAccessibleCell(sal_Int32 nRow, sal_Int32 nColumn);
+};
+
+/** Accessible class representing a cell of the CSV grid control. */
+class ScAccessibleCsvCell : public cppu::ImplInheritanceHelper<
+ ScAccessibleCsvControl,
+ css::accessibility::XAccessible>
+ , public ::accessibility::AccessibleStaticTextBase
+{
+protected:
+ typedef ::std::unique_ptr< SvxEditSource > SvxEditSourcePtr;
+
+private:
+ OUString maCellText; /// The text contents of this cell.
+ sal_Int32 mnLine; /// The grid line index (core index).
+ sal_uInt32 mnColumn; /// The grid column index (core index).
+ sal_Int32 mnIndex; /// The index of the cell in the table.
+
+public:
+ explicit ScAccessibleCsvCell(
+ ScCsvGrid& rGrid,
+ OUString aCellText,
+ sal_Int32 nRow, sal_Int32 nColumn);
+ virtual ~ScAccessibleCsvCell() override;
+
+ virtual void SAL_CALL disposing() override;
+
+ // XAccessibleComponent ---------------------------------------------------
+
+ /** Sets the focus to the column of this cell. */
+ virtual void SAL_CALL grabFocus() override;
+
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) override;
+
+ virtual css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) override { return this; }
+
+ virtual OUString SAL_CALL getAccessibleDescription( ) override;
+ virtual OUString SAL_CALL getAccessibleName( ) override;
+ virtual sal_Int16 SAL_CALL getAccessibleRole( ) override { return css::accessibility::AccessibleRole::TEXT; }
+
+ virtual sal_Int32 SAL_CALL getForeground( ) override;
+
+ virtual sal_Int32 SAL_CALL getBackground( ) override;
+
+ // XAccessibleContext -----------------------------------------------------
+
+ /** Returns the child count. */
+ virtual sal_Int64 SAL_CALL getAccessibleChildCount() override;
+
+ /** Returns the specified child. */
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int64 nIndex ) override;
+
+ /** Returns the index of this cell in the table. */
+ virtual sal_Int64 SAL_CALL getAccessibleIndexInParent() override;
+
+ /** Returns the relation to the ruler control. */
+ virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet() override;
+
+ /** Returns the current set of states. */
+ virtual sal_Int64 SAL_CALL getAccessibleStateSet() override;
+
+ // XInterface -------------------------------------------------------------
+
+ DECLARE_XINTERFACE()
+
+ // XTypeProvider ----------------------------------------------------------
+
+ DECLARE_XTYPEPROVIDER()
+
+private:
+ /** Returns the VCL grid control. Assumes a living object. */
+ ScCsvGrid& implGetGrid() const;
+ /** Returns the pixel position of the cell (rel. to parent), regardless of visibility. */
+ Point implGetRealPos() const;
+ /** Returns the width of the character count */
+ sal_uInt32 implCalcPixelWidth(sal_uInt32 nChars) const;
+ /** Returns the pixel size of the cell, regardless of visibility. */
+ Size implGetRealSize() const;
+ /** Returns the bounding box of the cell relative in the table. */
+ virtual css::awt::Rectangle implGetBounds() override;
+
+ /** Creates the edit source the text helper needs. */
+ ::std::unique_ptr< SvxEditSource > implCreateEditSource();
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */