KoShapeDeleteCommand.cpp

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/* This file is part of the KDE project
 * SPDX-FileCopyrightText: 2006 Thomas Zander <zander@kde.org>
 * SPDX-FileCopyrightText: 2006 Jan Hambrecht <jaham@gmx.net>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
#include "KoShapeDeleteCommand.h"
#include "KoShapeContainer.h"
#include "KoShapeControllerBase.h"
 
#include <klocalizedstring.h>
 
class Q_DECL_HIDDEN KoShapeDeleteCommand::Private
{
public:
    Private(KoShapeControllerBase *c)
            : controller(c),
            deleteShapes(false) {
    }
 
    ~Private() {
        if (! deleteShapes)
            return;
 
        Q_FOREACH (KoShape *shape, shapes)
            delete shape;
    }
 
    KoShapeControllerBase *controller; 
    QList<KoShape*> shapes; 
    QList<KoShapeContainer*> oldParents; 
    bool deleteShapes;  
};
 
KoShapeDeleteCommand::KoShapeDeleteCommand(KoShapeControllerBase *controller, KoShape *shape, KUndo2Command *parent)
        : KUndo2Command(parent),
        d(new Private(controller))
{
    d->shapes.append(shape);
    d->oldParents.append(shape->parent());
 
    setText(kundo2_i18nc("Delete one shape", "Delete shape"));
}
 
KoShapeDeleteCommand::KoShapeDeleteCommand(KoShapeControllerBase *controller, const QList<KoShape*> &shapes,
        KUndo2Command *parent)
        : KUndo2Command(parent),
        d(new Private(controller))
{
    d->shapes = shapes;
    Q_FOREACH (KoShape *shape, d->shapes) {
        d->oldParents.append(shape->parent());
    }
 
    setText(kundo2_i18np("Delete shape", "Delete shapes", shapes.count()));
}
 
KoShapeDeleteCommand::~KoShapeDeleteCommand()
{
    delete d;
}
 
void KoShapeDeleteCommand::redo()
{
    KUndo2Command::redo();
    if (! d->controller)
        return;
 
    for (int i = 0; i < d->shapes.count(); i++) {
        if (d->oldParents.at(i)) {
            d->oldParents.at(i)->removeShape(d->shapes[i]);
        }
    }
    d->deleteShapes = true;
}
 
void KoShapeDeleteCommand::undo()
{
    KUndo2Command::undo();
    if (! d->controller)
        return;
 
    for (int i = 0; i < d->shapes.count(); i++) {
        if (d->oldParents.at(i)) {
            d->oldParents.at(i)->addShape(d->shapes[i]);
        }
    }
    d->deleteShapes = false;
}