valentina/src/libs/vtools/undocommands/deletepatternpiece.cpp

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/************************************************************************
**
** @file deletepatternpiece.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 14 6, 2014
**
** @brief
** @copyright
** This source code is part of the Valentine project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2013-2015 Valentina project
** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
**
** Valentina is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** Valentina is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/
#include "deletepatternpiece.h"
#include "addpatternpiece.h"
//---------------------------------------------------------------------------------------------------------------------
DeletePatternPiece::DeletePatternPiece(VAbstractPattern *doc, const QString &namePP, QUndoCommand *parent)
: VUndoCommand(QDomElement(), doc, parent), namePP(namePP), patternPiece(QDomElement()),
previousPPName(QString())
{
setText(tr("delete pattern piece %1").arg(namePP));
const QDomElement patternP = doc->GetPPElement(namePP);
patternPiece = patternP.cloneNode().toElement();
const QDomElement previousPP = patternP.previousSibling().toElement();//find previous pattern piece
if (not previousPP.isNull() && previousPP.tagName() == VAbstractPattern::TagDraw)
{
previousPPName = doc->GetParametrString(previousPP, VAbstractPattern::AttrName, "");
}
}
//---------------------------------------------------------------------------------------------------------------------
DeletePatternPiece::~DeletePatternPiece()
{}
//---------------------------------------------------------------------------------------------------------------------
void DeletePatternPiece::undo()
{
qCDebug(vUndo, "Undo.");
QDomElement rootElement = doc->documentElement();
if (not previousPPName.isEmpty())
{ // not first in the list, add after tag draw
const QDomNode previousPP = doc->GetPPElement(previousPPName);
rootElement.insertAfter(patternPiece, previousPP);
}
else
{ // first in the list, add before tag draw
const QDomNodeList list = rootElement.elementsByTagName(VAbstractPattern::TagDraw);
QDomElement draw;
if (not list.isEmpty())
{
draw = list.at(0).toElement();
}
Q_ASSERT_X(not draw.isNull(), Q_FUNC_INFO, "Couldn't' find tag draw");
rootElement.insertBefore(patternPiece, draw);
}
emit NeedFullParsing();
doc->ChangeActivPP(namePP);
}
//---------------------------------------------------------------------------------------------------------------------
void DeletePatternPiece::redo()
{
qCDebug(vUndo, "Redo.");
QDomElement rootElement = doc->documentElement();
const QDomElement patternPiece = doc->GetPPElement(namePP);
rootElement.removeChild(patternPiece);
emit NeedFullParsing();
}