daa344f3e9
Change-Id: I084502d8c5607f103ef987b54252ef95341f0bef Reviewed-on: https://gerrit.libreoffice.org/81981 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#ifndef TOXTABSTOPTOKENHANDLER_HXX_
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#define TOXTABSTOPTOKENHANDLER_HXX_
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#include <rtl/ustring.hxx>
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#include <editeng/tstpitem.hxx>
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struct SwFormToken;
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class SwPageDesc;
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class SwRootFrame;
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class SwTextNode;
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namespace sw {
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/** This class handles tab stop tokens in the pattern for tox entries.
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*
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* @internal
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* This is an interface class. It allows to mock the class in unit tests
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*/
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class ToxTabStopTokenHandler
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{
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public:
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virtual ~ToxTabStopTokenHandler() {}
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/** Return value of HandleTabStopToken */
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struct HandledTabStopToken {
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OUString text;
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SvxTabStop tabStop;
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};
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/** Handle a tab stop token.
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*
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* @returns A HandledTabStopToken. Make sure to append the text field to the text of the target node
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* and to provide the returned SvxTabStop to the attributes of the node.
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*/
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virtual HandledTabStopToken
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HandleTabStopToken(const SwFormToken& aToken, const SwTextNode& targetNode,
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const SwRootFrame *currentLayout) const = 0;
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};
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/** The default implementation of ToxTabStopTokenHandler */
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class DefaultToxTabStopTokenHandler final : public ToxTabStopTokenHandler
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{
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public:
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enum TabStopReferencePolicy {TABSTOPS_RELATIVE_TO_INDENT, TABSTOPS_RELATIVE_TO_PAGE};
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/**
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* @param indexOfSectionNode
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* The index of the section node. It is needed to determine whether a page description was given by a node
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* before the tox section.
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*
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* @param defaultPageDescription
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* Which page description shall be used if we do not find one or the found page description was provided by
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* a node before the tox section
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*
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* @param tabPositionIsRelativeToParagraphIndent
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* Whether the tab position is relative to the paragraph indent. (toxForm.IsRelTabPos() is true or false.)
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*
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* @param tabstopReferencePolicy
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* How tab stops are positioned. (#i21237) The default behavior is to place tab stops relative to the page.
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*/
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DefaultToxTabStopTokenHandler(sal_uInt32 indexOfSectionNode, const SwPageDesc& defaultPageDescription,
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bool tabPositionIsRelativeToParagraphIndent,
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TabStopReferencePolicy referencePolicy);
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/** Handle a tab stop token.
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*
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* If the token contains tab alignment information, that is used to create the SvxTabStop.
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* Else, the information about the tab stop is taken from a page description.
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* Depending on the TabStopReferencePolicy provided in the constructor, the
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* method behaves differently when deriving the tab stop position.
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*/
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ToxTabStopTokenHandler::HandledTabStopToken
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HandleTabStopToken(const SwFormToken& aToken, const SwTextNode& targetNode,
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const SwRootFrame *currentLayout) const override;
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private:
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/** Test whether the page layout can be obtained by a layout rectangle.
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*
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* Is used to determine how to find tab stop position.
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*/
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static bool
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CanUseLayoutRectangle(const SwTextNode& targetNode, const SwRootFrame *currentLayout);
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/** Calculate the page margin from the page description.
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*
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* This is the fallback method to determine the position of a tab stop.
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*/
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long
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CalculatePageMarginFromPageDescription(const SwTextNode& targetNode) const;
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sal_uInt32 const mIndexOfSectionNode;
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const SwPageDesc& mDefaultPageDescription;
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bool const mTabPositionIsRelativeToParagraphIndent;
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TabStopReferencePolicy const mTabStopReferencePolicy;
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};
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}
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#endif /* TOXTABSTOPTOKENHANDLER_HXX_ */
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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