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RecentProjects.cpp
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RecentProjects.cpp
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/*
Scan Tailor - Interactive post-processing tool for scanned pages.
Copyright (C) 2007-2009 Joseph Artsimovich <joseph_a@mail.ru>
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 "RecentProjects.h"
#ifndef Q_MOC_RUN
#include <boost/foreach.hpp>
#endif
#include <QSettings>
#include <QFile>
#include <algorithm>
void
RecentProjects::read()
{
QSettings settings;
std::list<QString> new_list;
int const size = settings.beginReadArray("project/recent");
for (int i = 0; i < size; ++i) {
settings.setArrayIndex(i);
QString const path(settings.value("path").toString());
new_list.push_back(path);
}
settings.endArray();
m_projectFiles.swap(new_list);
}
void
RecentProjects::write(int const max_items) const
{
QSettings settings;
settings.beginWriteArray("project/recent");
int idx = 0;
BOOST_FOREACH(QString const& path, m_projectFiles) {
if (idx >= max_items) {
break;
}
settings.setArrayIndex(idx);
settings.setValue("path", path);
++idx;
}
settings.endArray();
}
bool
RecentProjects::validate()
{
bool all_ok = true;
std::list<QString>::iterator it(m_projectFiles.begin());
std::list<QString>::iterator const end(m_projectFiles.end());
while (it != end) {
if (QFile::exists(*it)) {
++it;
} else {
m_projectFiles.erase(it++);
all_ok = false;
}
}
return all_ok;
}
void
RecentProjects::setMostRecent(QString const& file_path)
{
std::list<QString>::iterator const begin(m_projectFiles.begin());
std::list<QString>::iterator const end(m_projectFiles.end());
std::list<QString>::iterator it(std::find(begin, end, file_path));
if (it != end) {
m_projectFiles.splice(begin, m_projectFiles, it);
} else {
m_projectFiles.push_front(file_path);
}
}