libs/flake

KoShapeCreateCommand.cpp

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00001 /* This file is part of the KDE project
00002  * Copyright (C) 2006 Thomas Zander <zander@kde.org>
00003  * Copyright (C) 2006 Jan Hambrecht <jaham@gmx.net>
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Library General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2 of the License, or (at your option) any later version.
00009  *
00010  * This library is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Library General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Library General Public License
00016  * along with this library; see the file COPYING.LIB.  If not, write to
00017  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018  * Boston, MA 02110-1301, USA.
00019  */
00020 
00021 #include "KoShapeCreateCommand.h"
00022 #include "KoShape.h"
00023 #include "KoShapeContainer.h"
00024 #include "KoShapeControllerBase.h"
00025 
00026 #include <klocale.h>
00027 
00028 class KoShapeCreateCommand::Private
00029 {
00030 public:
00031     Private(KoShapeControllerBase *c, KoShape *s)
00032             : controller(c),
00033             shape(s),
00034             shapeParent(shape->parent()),
00035             deleteShape(true) {
00036     }
00037     ~Private() {
00038         if (shape && deleteShape)
00039             delete shape;
00040     }
00041 
00042     KoShapeControllerBase *controller;
00043     KoShape *shape;
00044     KoShapeContainer *shapeParent;
00045     bool deleteShape;
00046 };
00047 
00048 KoShapeCreateCommand::KoShapeCreateCommand(KoShapeControllerBase *controller, KoShape *shape, QUndoCommand *parent)
00049         : QUndoCommand(parent),
00050         d(new Private(controller, shape))
00051 {
00052     setText(i18n("Create shape"));
00053 }
00054 
00055 KoShapeCreateCommand::~KoShapeCreateCommand()
00056 {
00057     delete d;
00058 }
00059 
00060 void KoShapeCreateCommand::redo()
00061 {
00062     QUndoCommand::redo();
00063     Q_ASSERT(d->shape);
00064     Q_ASSERT(d->controller);
00065     if (d->shapeParent)
00066         d->shapeParent->addChild(d->shape);
00067     // the parent has to be there when it is added to the KoShapeControllerBase
00068     d->controller->addShape(d->shape);
00069     d->shapeParent = d->shape->parent(); // update parent if the 'addShape' changed it
00070     d->deleteShape = false;
00071 }
00072 
00073 void KoShapeCreateCommand::undo()
00074 {
00075     QUndoCommand::undo();
00076     Q_ASSERT(d->shape);
00077     Q_ASSERT(d->controller);
00078     // the parent has to be there when it is removed from the KoShapeControllerBase
00079     d->controller->removeShape(d->shape);
00080     if (d->shapeParent)
00081         d->shapeParent->removeChild(d->shape);
00082     d->deleteShape = true;
00083 }