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/***************************************************************************
* Copyright (C) 2008-2014 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. *
***************************************************************************/
#include "charset.h"
#include "display.h"
#include "global.h"
#include "helpers.h"
#include "playlist.h"
#include "menu_impl.h"
#include "settings.h"
#include "sort_playlist.h"
#include "statusbar.h"
#include "utility/comparators.h"
#include "screen_switcher.h"
SortPlaylistDialog *mySortPlaylistDialog;
SortPlaylistDialog::SortPlaylistDialog()
{
typedef WindowType::Item::Type Entry;
using Global::MainHeight;
using Global::MainStartY;
setDimensions();
w = WindowType((COLS-m_width)/2, (MainHeight-m_height)/2+MainStartY, m_width, m_height, "Sort songs by...", Config.main_color, Config.window_border);
w.cyclicScrolling(Config.use_cyclic_scrolling);
w.centeredCursor(Config.centered_cursor);
w.setItemDisplayer([](Self::WindowType &menu) {
menu << Charset::utf8ToLocale(menu.drawn()->value().item().first);
});
w.addItem(Entry(std::make_pair("Artist", &MPD::Song::getArtist),
std::bind(&Self::moveSortOrderHint, this)
));
w.addItem(Entry(std::make_pair("Album artist", &MPD::Song::getAlbumArtist),
std::bind(&Self::moveSortOrderHint, this)
));
w.addItem(Entry(std::make_pair("Album", &MPD::Song::getAlbum),
std::bind(&Self::moveSortOrderHint, this)
));
w.addItem(Entry(std::make_pair("Disc", &MPD::Song::getDisc),
std::bind(&Self::moveSortOrderHint, this)
));
w.addItem(Entry(std::make_pair("Track", &MPD::Song::getTrack),
std::bind(&Self::moveSortOrderHint, this)
));
w.addItem(Entry(std::make_pair("Genre", &MPD::Song::getGenre),
std::bind(&Self::moveSortOrderHint, this)
));
w.addItem(Entry(std::make_pair("Date", &MPD::Song::getDate),
std::bind(&Self::moveSortOrderHint, this)
));
w.addItem(Entry(std::make_pair("Composer", &MPD::Song::getComposer),
std::bind(&Self::moveSortOrderHint, this)
));
w.addItem(Entry(std::make_pair("Performer", &MPD::Song::getPerformer),
std::bind(&Self::moveSortOrderHint, this)
));
w.addItem(Entry(std::make_pair("Title", &MPD::Song::getTitle),
std::bind(&Self::moveSortOrderHint, this)
));
w.addItem(Entry(std::make_pair("Filename", &MPD::Song::getURI),
std::bind(&Self::moveSortOrderHint, this)
));
w.addSeparator();
w.addItem(Entry(std::make_pair("Sort", static_cast<MPD::Song::GetFunction>(0)),
std::bind(&Self::sort, this)
));
w.addItem(Entry(std::make_pair("Cancel", static_cast<MPD::Song::GetFunction>(0)),
std::bind(&Self::cancel, this)
));
}
void SortPlaylistDialog::switchTo()
{
SwitchTo::execute(this);
w.reset();
}
void SortPlaylistDialog::resize()
{
using Global::MainHeight;
using Global::MainStartY;
setDimensions();
w.resize(m_width, m_height);
w.moveTo((COLS-m_width)/2, (MainHeight-m_height)/2+MainStartY);
hasToBeResized = false;
}
std::wstring SortPlaylistDialog::title()
{
return previousScreen()->title();
}
void SortPlaylistDialog::mouseButtonPressed(MEVENT me)
{
if (w.hasCoords(me.x, me.y))
{
if (me.bstate & (BUTTON1_PRESSED | BUTTON3_PRESSED))
{
w.Goto(me.y);
if (me.bstate & BUTTON3_PRESSED)
runAction();
}
else
Screen<WindowType>::mouseButtonPressed(me);
}
}
/**********************************************************************/
bool SortPlaylistDialog::actionRunnable()
{
return !w.empty();
}
void SortPlaylistDialog::runAction()
{
w.current()->value().run();
}
/**********************************************************************/
void SortPlaylistDialog::moveSortOrderDown()
{
auto cur = w.currentV();
if ((cur+1)->item().second)
{
std::iter_swap(cur, cur+1);
w.scroll(NC::Scroll::Down);
}
}
void SortPlaylistDialog::moveSortOrderUp()
{
auto cur = w.currentV();
if (cur > w.beginV() && cur->item().second)
{
std::iter_swap(cur, cur-1);
w.scroll(NC::Scroll::Up);
}
}
void SortPlaylistDialog::moveSortOrderHint() const
{
Statusbar::print("Move tag types up and down to adjust sort order");
}
void SortPlaylistDialog::sort() const
{
auto &pl = myPlaylist->main();
auto begin = pl.begin(), end = pl.end();
if (!findSelectedRange(begin, end))
return;
size_t start_pos = begin - pl.begin();
std::vector<MPD::Song> playlist;
playlist.reserve(end - begin);
for (; begin != end; ++begin)
playlist.push_back(begin->value());
typedef std::vector<MPD::Song>::iterator Iterator;
LocaleStringComparison cmp(std::locale(), Config.ignore_leading_the);
std::function<void(Iterator, Iterator)> iter_swap, quick_sort;
auto song_cmp = [this, &cmp](const MPD::Song &a, const MPD::Song &b) -> bool {
for (auto it = w.beginV(); it->item().second; ++it)
{
int res = cmp(a.getTags(it->item().second),
b.getTags(it->item().second));
if (res != 0)
return res < 0;
}
return a.getPosition() < b.getPosition();
};
iter_swap = [&playlist, &start_pos](Iterator a, Iterator b) {
std::iter_swap(a, b);
Mpd.Swap(start_pos+a-playlist.begin(), start_pos+b-playlist.begin());
};
quick_sort = [this, &song_cmp, &quick_sort, &iter_swap](Iterator first, Iterator last) {
if (last-first > 1)
{
Iterator pivot = first+Global::RNG()%(last-first);
iter_swap(pivot, last-1);
pivot = last-1;
Iterator tmp = first;
for (Iterator i = first; i != pivot; ++i)
if (song_cmp(*i, *pivot))
iter_swap(i, tmp++);
iter_swap(tmp, pivot);
quick_sort(first, tmp);
quick_sort(tmp+1, last);
}
};
Statusbar::print("Sorting...");
Mpd.StartCommandsList();
quick_sort(playlist.begin(), playlist.end());
Mpd.CommitCommandsList();
Statusbar::print("Range sorted");
switchToPreviousScreen();
}
void SortPlaylistDialog::cancel() const
{
switchToPreviousScreen();
}
void SortPlaylistDialog::setDimensions()
{
m_height = std::min(size_t(17), Global::MainHeight);
m_width = 30;
}
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