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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
This file copyright 2006 Chris Cannam.
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 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#include "RecentFiles.h"
#include "Preferences.h"
#include <QFileInfo>
#include <QSettings>
#include <QRegExp>
RecentFiles::RecentFiles(QString settingsGroup, int maxCount) :
m_settingsGroup(settingsGroup),
m_maxCount(maxCount)
{
read();
}
RecentFiles::~RecentFiles()
{
// nothing
}
void
RecentFiles::read()
{
m_names.clear();
QSettings settings;
settings.beginGroup(m_settingsGroup);
for (int i = 0; i < 100; ++i) {
QString key = QString("recent-%1").arg(i);
QString name = settings.value(key, "").toString();
if (name == "") break;
if (i < m_maxCount) m_names.push_back(name);
else settings.setValue(key, "");
}
settings.endGroup();
}
void
RecentFiles::write()
{
QSettings settings;
settings.beginGroup(m_settingsGroup);
for (int i = 0; i < m_maxCount; ++i) {
QString key = QString("recent-%1").arg(i);
QString name = "";
if (i < (int)m_names.size()) name = m_names[i];
settings.setValue(key, name);
}
settings.endGroup();
}
void
RecentFiles::truncateAndWrite()
{
while (int(m_names.size()) > m_maxCount) {
m_names.pop_back();
}
write();
}
std::vector<QString>
RecentFiles::getRecent() const
{
std::vector<QString> names;
for (int i = 0; i < m_maxCount; ++i) {
if (i < (int)m_names.size()) {
names.push_back(m_names[i]);
}
}
return names;
}
void
RecentFiles::add(QString name)
{
bool have = false;
for (int i = 0; i < int(m_names.size()); ++i) {
if (m_names[i] == name) {
have = true;
break;
}
}
if (!have) {
m_names.push_front(name);
} else {
std::deque<QString> newnames;
newnames.push_back(name);
for (int i = 0; i < int(m_names.size()); ++i) {
if (m_names[i] == name) continue;
newnames.push_back(m_names[i]);
}
m_names = newnames;
}
truncateAndWrite();
emit recentChanged();
}
void
RecentFiles::addFile(QString name)
{
static QRegExp schemeRE("^[a-zA-Z]{2,5}://");
static QRegExp tempRE("[\\/][Tt]e?mp[\\/]");
if (schemeRE.indexIn(name) == 0) {
add(name);
} else {
QString absPath = QFileInfo(name).absoluteFilePath();
if (tempRE.indexIn(absPath) != -1) {
Preferences *prefs = Preferences::getInstance();
if (prefs && !prefs->getOmitTempsFromRecentFiles()) {
add(absPath);
}
} else {
add(absPath);
}
}
}
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