recoll/src/qtgui/advshist.cpp
2020-05-30 15:54:49 +02:00

102 lines
2.6 KiB
C++

/* Copyright (C) 2005 J.F.Dockes
* 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.
*
* 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, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "autoconfig.h"
#include "advshist.h"
#include "guiutils.h"
#include "log.h"
#include "xmltosd.h"
using namespace std;
using namespace Rcl;
AdvSearchHist::AdvSearchHist()
{
read();
}
AdvSearchHist::~AdvSearchHist()
{
for (auto& entry : m_entries) {
entry.reset();
}
}
std::shared_ptr<Rcl::SearchData> AdvSearchHist::getnewest()
{
if (m_entries.empty())
return std::shared_ptr<Rcl::SearchData>();
return m_entries[0];
}
std::shared_ptr<Rcl::SearchData> AdvSearchHist::getolder()
{
m_current++;
if (m_current >= int(m_entries.size())) {
m_current--;
return std::shared_ptr<Rcl::SearchData>();
}
return m_entries[m_current];
}
std::shared_ptr<Rcl::SearchData> AdvSearchHist::getnewer()
{
if (m_current == -1 || m_current == 0 || m_entries.empty())
return std::shared_ptr<Rcl::SearchData>();
return m_entries[--m_current];
}
bool AdvSearchHist::push(std::shared_ptr<SearchData> sd)
{
m_entries.insert(m_entries.begin(), sd);
if (m_current != -1)
m_current++;
string xml = sd->asXML();
// dynconf interprets <= 0 as unlimited size, but we want 0 to
// disable saving history
if (prefs.historysize != 0) {
g_dynconf->enterString(advSearchHistSk, xml, prefs.historysize);
}
return true;
}
bool AdvSearchHist::read()
{
if (!g_dynconf)
return false;
// getStringEntries() return the entries in order (lower key
// first), but we want most recent first, so revert
vector<string> lxml =
g_dynconf->getStringEntries<vector>(advSearchHistSk);
for (auto it = lxml.rbegin(); it != lxml.rend(); it++) {
std::shared_ptr<SearchData> sd = xmlToSearchData(*it);
if (sd)
m_entries.push_back(sd);
}
return true;
}
void AdvSearchHist::clear()
{
g_dynconf->eraseAll(advSearchHistSk);
}