sw/source/core/tox/ToxTabStopTokenHandler.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <ToxTabStopTokenHandler.hxx>
  11
  12 #include <editeng/tstpitem.hxx>
  13 #include <editeng/lrspitem.hxx>
  14 #include <editeng/boxitem.hxx>
  15
  16 #include <cntfrm.hxx>
  17 #include <fmtfsize.hxx>
  18 #include <fmtpdsc.hxx>
  19 #include <frmfmt.hxx>
  20 #include <frmatr.hxx>
  21 #include <ndtxt.hxx>
  22 #include <pagedesc.hxx>
  23 #include <pagefrm.hxx>
  24 #include <swrect.hxx>
  25 #include <tox.hxx>
  26
  27 namespace sw {
  28
  29 DefaultToxTabStopTokenHandler::DefaultToxTabStopTokenHandler(SwNodeOffset indexOfSectionNode,
  30         const SwPageDesc& defaultPageDescription,
  31         bool tabPositionIsRelativeToParagraphIndent,
  32         TabStopReferencePolicy referencePolicy)
  33 : mIndexOfSectionNode(indexOfSectionNode),
  34   mDefaultPageDescription(defaultPageDescription),
  35   mTabPositionIsRelativeToParagraphIndent(tabPositionIsRelativeToParagraphIndent),
  36   mTabStopReferencePolicy(referencePolicy)
  37 {
  38 }
  39
  40
  41 ToxTabStopTokenHandler::HandledTabStopToken
  42 DefaultToxTabStopTokenHandler::HandleTabStopToken(
  43         const SwFormToken& aToken, const SwTextNode& targetNode, const SwRootFrame *currentLayout) const
  44 {
  45     HandledTabStopToken result;
  46
  47     if (aToken.bWithTab) { // #i21237#
  48         result.text = "\t";
  49     }
  50
  51     // check whether a tab adjustment has been specified.
  52     if (SvxTabAdjust::End > aToken.eTabAlign) {
  53         SvxTextLeftMarginItem const& rTextLeftMargin(
  54             targetNode.SwContentNode::GetAttr(RES_MARGIN_TEXTLEFT));
  55         tools::Long nTabPosition = aToken.nTabStopPosition;
  56         if (!mTabPositionIsRelativeToParagraphIndent && rTextLeftMargin.GetTextLeft() != 0)
  57         {
  58             nTabPosition -= rTextLeftMargin.GetTextLeft();
  59         }
  60         result.tabStop = SvxTabStop(nTabPosition, aToken.eTabAlign, cDfltDecimalChar, aToken.cTabFillChar);
  61         return result;
  62     }
  63
  64     SwRect aNdRect;
  65     if (CanUseLayoutRectangle(targetNode, currentLayout)) {
  66         aNdRect = targetNode.FindLayoutRect(true);
  67     }
  68     tools::Long nRightMargin;
  69     if (aNdRect.IsEmpty()) {
  70         nRightMargin = CalculatePageMarginFromPageDescription(targetNode);
  71     } else {
  72         nRightMargin = aNdRect.Width();
  73     }
  74     //#i24363# tab stops relative to indent
  75     if (mTabStopReferencePolicy == TABSTOPS_RELATIVE_TO_INDENT) {
  76         // left margin of paragraph style
  77         SvxFirstLineIndentItem const& rFirstLine(
  78             targetNode.GetTextColl()->GetFirstLineIndent());
  79         SvxTextLeftMarginItem const& rTextLeftMargin(
  80             targetNode.GetTextColl()->GetTextLeftMargin());
  81         nRightMargin -= rTextLeftMargin.GetLeft(rFirstLine);
  82         nRightMargin -= rFirstLine.GetTextFirstLineOffset();
  83     }
  84
  85     result.tabStop = SvxTabStop(nRightMargin, SvxTabAdjust::Right, cDfltDecimalChar, aToken.cTabFillChar);
  86     return result;
  87 }
  88
  89 tools::Long
  90 DefaultToxTabStopTokenHandler::CalculatePageMarginFromPageDescription(const SwTextNode& targetNode) const
  91 {
  92     SwNodeOffset nPgDescNdIdx = targetNode.GetIndex() + 1;
  93     const SwPageDesc *pPageDesc = targetNode.FindPageDesc(&nPgDescNdIdx);
  94     if (!pPageDesc || nPgDescNdIdx < mIndexOfSectionNode) {
  95         // Use default page description, if none is found or the found one is given by a Node before the
  96         // table-of-content section.
  97         pPageDesc = &mDefaultPageDescription;
  98     }
  99     const SwFrameFormat& rPgDscFormat = pPageDesc->GetMaster();
 100     tools::Long result = rPgDscFormat.GetFrameSize().GetWidth() - rPgDscFormat.GetLRSpace().GetLeft()
 101             - rPgDscFormat.GetLRSpace().GetRight();
 102     // Also consider borders
 103     const SvxBoxItem& rBox = rPgDscFormat.GetBox();
 104     result -= rBox.CalcLineSpace(SvxBoxItemLine::LEFT) + rBox.CalcLineSpace(SvxBoxItemLine::RIGHT);
 105     return result;
 106 }
 107
 108
 109 /*static*/ bool
 110 DefaultToxTabStopTokenHandler::CanUseLayoutRectangle(const SwTextNode& targetNode, const SwRootFrame *currentLayout)
 111 {
 112     const SwPageDesc* pageDescription =
 113             targetNode.SwContentNode::GetAttr(RES_PAGEDESC).GetPageDesc();
 114
 115     if (!pageDescription) {
 116         return false;
 117     }
 118     const SwFrame* pFrame = targetNode.getLayoutFrame(currentLayout);
 119     if (!pFrame) {
 120         return false;
 121     }
 122     pFrame = pFrame->FindPageFrame();
 123     if (!pFrame) {
 124         return false;
 125     }
 126     const SwPageFrame* pageFrame = static_cast<const SwPageFrame*>(pFrame);
 127     return pageDescription == pageFrame->GetPageDesc();
 128 }
 129
 130 }
 131
 132 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */