Chris@63: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@63: 
Chris@63: /*
Chris@63:     EasyMercurial
Chris@63: 
Chris@63:     Based on HgExplorer by Jari Korhonen
Chris@63:     Copyright (c) 2010 Jari Korhonen
Chris@244:     Copyright (c) 2011 Chris Cannam
Chris@244:     Copyright (c) 2011 Queen Mary, University of London
Chris@63:     
Chris@63:     This program is free software; you can redistribute it and/or
Chris@63:     modify it under the terms of the GNU General Public License as
Chris@63:     published by the Free Software Foundation; either version 2 of the
Chris@63:     License, or (at your option) any later version.  See the file
Chris@63:     COPYING included with this distribution for more information.
Chris@63: */
Chris@63: 
Chris@63: #include "recentfiles.h"
Chris@63: 
Chris@63: #include <QFileInfo>
Chris@63: #include <QSettings>
Chris@63: #include <QRegExp>
Chris@63: 
Chris@63: RecentFiles::RecentFiles(QString settingsGroup, size_t maxCount,
Chris@63:                          bool ignoreTemporaries) :
Chris@63:     m_settingsGroup(settingsGroup),
Chris@63:     m_maxCount(maxCount),
Chris@63:     m_ignoreTemporaries(ignoreTemporaries)
Chris@63: {
Chris@63:     read();
Chris@63: }
Chris@63: 
Chris@63: RecentFiles::~RecentFiles()
Chris@63: {
Chris@63:     // nothing
Chris@63: }
Chris@63: 
Chris@63: void
Chris@63: RecentFiles::read()
Chris@63: {
Chris@63:     m_names.clear();
Chris@63:     QSettings settings;
Chris@63:     settings.beginGroup(m_settingsGroup);
Chris@63: 
Chris@63:     for (size_t i = 0; i < 100; ++i) {
Chris@63:         QString key = QString("recent-%1").arg(i);
Chris@63:         QString name = settings.value(key, "").toString();
Chris@63:         if (name == "") break;
Chris@63:         if (i < m_maxCount) m_names.push_back(name);
Chris@63:         else settings.setValue(key, "");
Chris@63:     }
Chris@63: 
Chris@63:     settings.endGroup();
Chris@63: }
Chris@63: 
Chris@63: void
Chris@63: RecentFiles::write()
Chris@63: {
Chris@63:     QSettings settings;
Chris@63:     settings.beginGroup(m_settingsGroup);
Chris@63: 
Chris@63:     for (size_t i = 0; i < m_maxCount; ++i) {
Chris@63:         QString key = QString("recent-%1").arg(i);
Chris@63:         QString name = "";
Chris@63:         if (i < m_names.size()) name = m_names[i];
Chris@63:         settings.setValue(key, name);
Chris@63:     }
Chris@63: 
Chris@63:     settings.endGroup();
Chris@63: }
Chris@63: 
Chris@63: void
Chris@63: RecentFiles::truncateAndWrite()
Chris@63: {
Chris@63:     while (m_names.size() > m_maxCount) {
Chris@63:         m_names.pop_back();
Chris@63:     }
Chris@63:     write();
Chris@63: }
Chris@63: 
Chris@63: QStringList
Chris@63: RecentFiles::getRecent() const
Chris@63: {
Chris@63:     QStringList names;
Chris@63:     for (size_t i = 0; i < m_maxCount; ++i) {
Chris@63:         if (i < m_names.size()) {
Chris@63:             names.push_back(m_names[i]);
Chris@63:         }
Chris@63:     }
Chris@63:     return names;
Chris@63: }
Chris@63: 
Chris@63: void
Chris@63: RecentFiles::add(QString name)
Chris@63: {
Chris@63:     bool have = false;
Chris@63:     for (size_t i = 0; i < m_names.size(); ++i) {
Chris@63:         if (m_names[i] == name) {
Chris@63:             have = true;
Chris@63:             break;
Chris@63:         }
Chris@63:     }
Chris@63:     
Chris@63:     if (!have) {
Chris@63:         m_names.push_front(name);
Chris@63:     } else {
Chris@63:         std::deque<QString> newnames;
Chris@63:         newnames.push_back(name);
Chris@63:         for (size_t i = 0; i < m_names.size(); ++i) {
Chris@63:             if (m_names[i] == name) continue;
Chris@63:             newnames.push_back(m_names[i]);
Chris@63:         }
Chris@63:         m_names = newnames;
Chris@63:     }
Chris@63: 
Chris@63:     truncateAndWrite();
Chris@63:     emit recentChanged();
Chris@63: }
Chris@63: 
Chris@63: void
Chris@63: RecentFiles::addFile(QString name)
Chris@63: {
Chris@63:     static QRegExp schemeRE("^[a-zA-Z]{2,5}://");
Chris@63:     static QRegExp tempRE("[\\/][Tt]e?mp[\\/]");
Chris@63:     if (schemeRE.indexIn(name) == 0) {
Chris@63:         add(name);
Chris@63:     } else {
Chris@63:         QString absPath = QFileInfo(name).absoluteFilePath();
Chris@63:         if (tempRE.indexIn(absPath) != -1) {
Chris@63:             if (!m_ignoreTemporaries) {
Chris@63:                 add(absPath);
Chris@63:             }
Chris@63:         } else {
Chris@63:             add(absPath);
Chris@63:         }
Chris@63:     }
Chris@63: }
Chris@63: 
Chris@63: