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/*
SPDX-FileCopyrightText: 2004 Shie Erlich <erlich@users.sourceforge.net>
SPDX-FileCopyrightText: 2004 Rafi Yanai <yanai@users.sourceforge.net>
SPDX-FileCopyrightText: 2010 Jan Lepper <dehtris@yahoo.de>
SPDX-FileCopyrightText: 2004-2022 Krusader Krew <https://krusader.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "dirhistoryqueue.h"
#include "../defaults.h"
#include "../krservices.h"
#include "PanelView/krview.h"
#include "krpanel.h"
// QtCore
#include <QDir>
DirHistoryQueue::DirHistoryQueue(KrPanel *panel)
: _panel(panel)
, _currentPos(0)
{
}
DirHistoryQueue::~DirHistoryQueue() = default;
void DirHistoryQueue::clear()
{
_urlQueue.clear();
_currentItems.clear();
_currentPos = 0;
}
QUrl DirHistoryQueue::currentUrl()
{
if (_urlQueue.count())
return _urlQueue[_currentPos];
else
return QUrl();
}
void DirHistoryQueue::setCurrentUrl(const QUrl &url)
{
if (_urlQueue.count())
_urlQueue[_currentPos] = url;
}
QString DirHistoryQueue::currentItem()
{
if (count())
return _currentItems[_currentPos];
else
return QString();
}
void DirHistoryQueue::saveCurrentItem()
{
// if the filesystem-url hasn't been refreshed yet,
// avoid saving current item for the wrong url
if (count() && _panel->virtualPath().matches(_urlQueue[_currentPos], QUrl::StripTrailingSlash))
_currentItems[_currentPos] = _panel->view->getCurrentItem();
}
void DirHistoryQueue::add(QUrl url, const QString ¤tItem)
{
url.setPath(QDir::cleanPath(url.path()));
if (_urlQueue.isEmpty()) {
_urlQueue.push_front(url);
_currentItems.push_front(currentItem);
return;
}
if (_urlQueue[_currentPos].matches(url, QUrl::StripTrailingSlash)) {
_currentItems[_currentPos] = currentItem;
return;
}
for (int i = 0; i < _currentPos; i++) {
_urlQueue.pop_front();
_currentItems.pop_front();
}
_currentPos = 0;
// do we have room for another ?
if (_urlQueue.count() > 12) { // FIXME: use user-defined size
// no room - remove the oldest entry
_urlQueue.pop_back();
_currentItems.pop_back();
}
saveCurrentItem();
_urlQueue.push_front(url);
_currentItems.push_front(currentItem);
}
QUrl DirHistoryQueue::gotoPos(int pos)
{
if (pos >= 0 && pos < _urlQueue.count()) {
saveCurrentItem();
_currentPos = pos;
return currentUrl();
}
return QUrl();
}
QUrl DirHistoryQueue::goBack()
{
return gotoPos(_currentPos + 1);
}
QUrl DirHistoryQueue::goForward()
{
return gotoPos(_currentPos - 1);
}
void DirHistoryQueue::save(KConfigGroup cfg)
{
saveCurrentItem();
QList<QUrl> urls;
for (const QUrl &url : std::as_const(_urlQueue)) {
// make sure no passwords are permanently stored
QUrl safeUrl(url);
safeUrl.setPassword(QString());
urls << safeUrl;
}
cfg.writeEntry("Entrys", KrServices::toStringList(urls)); // krazy:exclude=spelling
cfg.writeEntry("CurrentItems", _currentItems);
cfg.writeEntry("CurrentIndex", _currentPos);
}
bool DirHistoryQueue::restore(const KConfigGroup &cfg)
{
clear();
_urlQueue = KrServices::toUrlList(cfg.readEntry("Entrys", QStringList())); // krazy:exclude=spelling
_currentItems = cfg.readEntry("CurrentItems", QStringList());
if (!_urlQueue.count() || _urlQueue.count() != _currentItems.count()) {
clear();
return false;
}
_currentPos = cfg.readEntry("CurrentIndex", 0);
if (_currentPos >= _urlQueue.count() || _currentPos < 0)
_currentPos = 0;
return true;
}
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