sd/source/ui/func/undoback.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  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  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 #include <memory>
  21 #include <undoback.hxx>
  22
  23 #include <sdpage.hxx>
  24 #include <sdresid.hxx>
  25 #include <strings.hrc>
  26
  27 #include <com/sun/star/drawing/FillStyle.hpp>
  28
  29 #include <svl/itemset.hxx>
  30
  31 #include <svx/xdef.hxx>
  32 #include <svx/xfillit0.hxx>
  33 #include <svx/xbtmpit.hxx>
  34
  35 SdBackgroundObjUndoAction::SdBackgroundObjUndoAction(
  36     SdDrawDocument& rDoc,
  37     SdPage& rPage,
  38     const SfxItemSet& rItemSet)
  39 :   SdUndoAction(&rDoc),
  40     mrPage(rPage),
  41     mpItemSet(std::make_unique<SfxItemSet>(rItemSet)),
  42     mbHasFillBitmap(false)
  43 {
  44     OUString aString( SdResId( STR_UNDO_CHANGE_PAGEFORMAT ) );
  45     SetComment( aString );
  46     saveFillBitmap(*mpItemSet);
  47 }
  48
  49 void SdBackgroundObjUndoAction::ImplRestoreBackgroundObj()
  50 {
  51     std::unique_ptr<SfxItemSet> pNew = std::make_unique<SfxItemSet>(mrPage.getSdrPageProperties().GetItemSet());
  52     mrPage.getSdrPageProperties().ClearItem();
  53     if (bool(mpFillBitmapItem))
  54         restoreFillBitmap(*mpItemSet);
  55     mpFillBitmapItem.reset();
  56     mbHasFillBitmap = false;
  57     mrPage.getSdrPageProperties().PutItemSet(*mpItemSet);
  58     mpItemSet = std::move(pNew);
  59     saveFillBitmap(*mpItemSet);
  60
  61     // tell the page that it's visualization has changed
  62     mrPage.ActionChanged();
  63 }
  64
  65 void SdBackgroundObjUndoAction::Undo()
  66 {
  67     ImplRestoreBackgroundObj();
  68 }
  69
  70 void SdBackgroundObjUndoAction::Redo()
  71 {
  72     ImplRestoreBackgroundObj();
  73 }
  74
  75 SdUndoAction* SdBackgroundObjUndoAction::Clone() const
  76 {
  77     std::unique_ptr<SdBackgroundObjUndoAction> pCopy = std::make_unique<SdBackgroundObjUndoAction>(*mpDoc, mrPage, *mpItemSet);
  78     if (mpFillBitmapItem)
  79         pCopy->mpFillBitmapItem.reset(mpFillBitmapItem->Clone());
  80     pCopy->mbHasFillBitmap = mbHasFillBitmap;
  81     return pCopy.release();
  82 }
  83
  84 void SdBackgroundObjUndoAction::saveFillBitmap(SfxItemSet &rItemSet)
  85 {
  86     if (const XFillBitmapItem *pItem = rItemSet.GetItemIfSet(XATTR_FILLBITMAP, false))
  87         mpFillBitmapItem.reset(pItem->Clone());
  88     if (bool(mpFillBitmapItem))
  89     {
  90         if (const XFillStyleItem* pItem = rItemSet.GetItemIfSet(XATTR_FILLSTYLE, false))
  91             mbHasFillBitmap = pItem->GetValue() == css::drawing::FillStyle_BITMAP;
  92         rItemSet.ClearItem(XATTR_FILLBITMAP);
  93         if (mbHasFillBitmap)
  94             rItemSet.ClearItem(XATTR_FILLSTYLE);
  95     }
  96 }
  97
  98 void SdBackgroundObjUndoAction::restoreFillBitmap(SfxItemSet &rItemSet)
  99 {
 100     rItemSet.Put(*mpFillBitmapItem);
 101     if (mbHasFillBitmap)
 102         rItemSet.Put(XFillStyleItem(css::drawing::FillStyle_BITMAP));
 103 }
 104
 105 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */