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/***************************************************************************
* Copyright (C) 2008-2012 by Andrzej Rybczak *
* electricityispower@gmail.com *
* *
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef _SEARCH_ENGINE_H
#define _SEARCH_ENGINE_H
#include <cassert>
#include "mpdpp.h"
#include "ncmpcpp.h"
struct SEItem
{
SEItem() : isThisSong(false), itsBuffer(0) { }
SEItem(Buffer *buf) : isThisSong(false), itsBuffer(buf) { }
SEItem(const MPD::Song &s) : isThisSong(true), itsSong(s) { }
SEItem(const SEItem &ei) { *this = ei; }
~SEItem() {
if (!isThisSong)
delete itsBuffer;
}
Buffer &mkBuffer() {
assert(!isThisSong);
delete itsBuffer;
itsBuffer = new Buffer();
return *itsBuffer;
}
bool isSong() const { return isThisSong; }
Buffer &buffer() { assert(!isThisSong && itsBuffer); return *itsBuffer; }
MPD::Song &song() { assert(isThisSong); return itsSong; }
const Buffer &buffer() const { assert(!isThisSong && itsBuffer); return *itsBuffer; }
const MPD::Song &song() const { assert(isThisSong); return itsSong; }
SEItem &operator=(const SEItem &se) {
if (this == &se)
return *this;
isThisSong = se.isThisSong;
if (se.isThisSong)
itsSong = se.itsSong;
else if (se.itsBuffer)
itsBuffer = new Buffer(*se.itsBuffer);
else
itsBuffer = 0;
return *this;
}
private:
bool isThisSong;
Buffer *itsBuffer;
MPD::Song itsSong;
};
class SearchEngine : public Screen< Menu<SEItem> >
{
public:
virtual void Resize();
virtual void SwitchTo();
virtual std::basic_string<my_char_t> Title();
virtual void EnterPressed();
virtual void SpacePressed();
virtual void MouseButtonPressed(MEVENT);
virtual bool isTabbable() { return true; }
virtual MPD::Song *CurrentSong();
virtual MPD::Song *GetSong(size_t pos) { return !(*w)[pos].isSeparator() && w->at(pos).value().isSong() ? &w->at(pos).value().song() : 0; }
virtual bool allowsSelection() { return w->Choice() >= StaticOptions; }
virtual void ReverseSelection() { w->ReverseSelection(StaticOptions); }
virtual void GetSelectedSongs(MPD::SongList &);
virtual void ApplyFilter(const std::string &);
virtual List *GetList() { return w->Size() >= StaticOptions ? w : 0; }
virtual bool isMergable() { return true; }
void UpdateFoundList();
static size_t StaticOptions;
static size_t SearchButton;
static size_t ResetButton;
protected:
virtual void Init();
virtual bool isLockable() { return true; }
private:
void Prepare();
void Search();
void Reset();
const char **SearchMode;
static std::string SearchEngineOptionToString(const SEItem &);
static const char *SearchModes[];
static const size_t ConstraintsNumber = 11;
static const char *ConstraintsNames[];
std::string itsConstraints[ConstraintsNumber];
static bool MatchToPattern;
};
extern SearchEngine *mySearcher;
#endif
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