/*
 * LCD Image Converter. Converts images and fonts for embedded applications.
 * Copyright (C) 2016 riuson
 * mailto: riuson@gmail.com
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/
 */

#include "documentoperator.h"

#include "datacontainer.h"
#include "idocument.h"
#include "ioperation.h"

namespace Operations
{

DocumentOperator::DocumentOperator(QObject* parent) : QObject(parent) {}

void DocumentOperator::setKeys(const QStringList keys) { this->mSelectedKeys = keys; }

void DocumentOperator::apply(Data::Containers::IDocument* doc, IOperation& operation)
{
  QStringList keys = this->mSelectedKeys.length() == 0 ? doc->dataContainer()->keys() : this->mSelectedKeys;

  if (operation.prepare(doc, keys)) {
    doc->beginChanges();

    operation.applyDocument(doc, keys);

    QListIterator<QString> it(keys);
    it.toFront();

    while (it.hasNext()) {
      QString key = it.next();
      operation.applyItem(doc, key);
    }

    doc->endChanges(false);
  }
}

} // namespace Operations