520 lines
14 KiB
C++
520 lines
14 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2011 by Andrzej Rybczak *
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* electricityispower@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include <algorithm>
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#include "display.h"
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#include "global.h"
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#include "helpers.h"
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#include "menu.h"
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#include "playlist.h"
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#include "song.h"
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#include "status.h"
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using Global::MainHeight;
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using Global::MainStartY;
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Playlist *myPlaylist = new Playlist;
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bool Playlist::ReloadTotalLength = 0;
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bool Playlist::ReloadRemaining = 0;
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bool Playlist::BlockNowPlayingUpdate = 0;
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bool Playlist::BlockUpdate = 0;
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const size_t Playlist::SortOptions = 10;
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const size_t Playlist::SortDialogWidth = 30;
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size_t Playlist::SortDialogHeight;
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Menu< std::pair<std::string, MPD::Song::GetFunction> > *Playlist::SortDialog = 0;
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void Playlist::Init()
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{
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static Display::ScreenFormat sf = { this, &Config.song_list_format };
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Items = new Menu<MPD::Song>(0, MainStartY, COLS, MainHeight, Config.columns_in_playlist && Config.titles_visibility ? Display::Columns(COLS) : "", Config.main_color, brNone);
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Items->CyclicScrolling(Config.use_cyclic_scrolling);
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Items->CenteredCursor(Config.centered_cursor);
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Items->HighlightColor(Config.main_highlight_color);
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Items->SetSelectPrefix(&Config.selected_item_prefix);
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Items->SetSelectSuffix(&Config.selected_item_suffix);
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Items->SetItemDisplayer(Config.columns_in_playlist ? Display::SongsInColumns : Display::Songs);
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Items->SetItemDisplayerUserData(&sf);
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Items->SetGetStringFunction(Config.columns_in_playlist ? SongInColumnsToString : SongToString);
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Items->SetGetStringFunctionUserData(&Config.song_list_format_dollar_free);
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if (!SortDialog)
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{
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SortDialogHeight = std::min(int(MainHeight), 18);
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SortDialog = new Menu< std::pair<std::string, MPD::Song::GetFunction> >((COLS-SortDialogWidth)/2, (MainHeight-SortDialogHeight)/2+MainStartY, SortDialogWidth, SortDialogHeight, "Sort songs by...", Config.main_color, Config.window_border);
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SortDialog->CyclicScrolling(Config.use_cyclic_scrolling);
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SortDialog->CenteredCursor(Config.centered_cursor);
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SortDialog->SetItemDisplayer(Display::Pairs);
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SortDialog->AddOption(std::make_pair("Artist", &MPD::Song::GetArtist));
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SortDialog->AddOption(std::make_pair("Album", &MPD::Song::GetAlbum));
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SortDialog->AddOption(std::make_pair("Disc", &MPD::Song::GetDisc));
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SortDialog->AddOption(std::make_pair("Track", &MPD::Song::GetTrack));
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SortDialog->AddOption(std::make_pair("Genre", &MPD::Song::GetGenre));
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SortDialog->AddOption(std::make_pair("Year", &MPD::Song::GetDate));
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SortDialog->AddOption(std::make_pair("Composer", &MPD::Song::GetComposer));
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SortDialog->AddOption(std::make_pair("Performer", &MPD::Song::GetPerformer));
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SortDialog->AddOption(std::make_pair("Title", &MPD::Song::GetTitle));
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SortDialog->AddOption(std::make_pair("Filename", &MPD::Song::GetFile));
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SortDialog->AddSeparator();
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SortDialog->AddOption(std::make_pair("Sort", static_cast<MPD::Song::GetFunction>(0)));
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SortDialog->AddOption(std::make_pair("Reverse", static_cast<MPD::Song::GetFunction>(0)));
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SortDialog->AddOption(std::make_pair("Cancel", static_cast<MPD::Song::GetFunction>(0)));
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}
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w = Items;
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isInitialized = 1;
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}
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void Playlist::SwitchTo()
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{
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using Global::myScreen;
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using Global::myLockedScreen;
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using Global::myInactiveScreen;
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if (myScreen == this)
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return;
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if (!isInitialized)
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Init();
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itsScrollBegin = 0;
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if (myLockedScreen)
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UpdateInactiveScreen(this);
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if (hasToBeResized || myLockedScreen)
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Resize();
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if (myScreen != this && myScreen->isTabbable())
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Global::myPrevScreen = myScreen;
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myScreen = this;
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Items->Window::Clear();
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EnableHighlighting();
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if (w != Items) // even if sorting window is active, background has to be refreshed anyway
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Items->Display();
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Global::RedrawHeader = 1;
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}
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void Playlist::Resize()
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{
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size_t x_offset, width;
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GetWindowResizeParams(x_offset, width);
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Items->Resize(width, MainHeight);
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Items->MoveTo(x_offset, MainStartY);
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Items->SetTitle(Config.columns_in_playlist && Config.titles_visibility ? Display::Columns(Items->GetWidth()) : "");
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if (w == SortDialog) // if sorting window is active, playlist needs refreshing
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Items->Display();
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SortDialogHeight = std::min(int(MainHeight), 18);
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if (Items->GetWidth() >= SortDialogWidth && MainHeight >= 5)
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{
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SortDialog->Resize(SortDialogWidth, SortDialogHeight);
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SortDialog->MoveTo(x_offset+(width-SortDialogWidth)/2, (MainHeight-SortDialogHeight)/2+MainStartY);
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}
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else // if screen is too low to display sorting window, fall back to items list
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w = Items;
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hasToBeResized = 0;
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}
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std::basic_string<my_char_t> Playlist::Title()
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{
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std::basic_string<my_char_t> result = U("Playlist ");
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if (ReloadTotalLength || ReloadRemaining)
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itsBufferedStats = TotalLength();
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result += Scroller(TO_WSTRING(itsBufferedStats), itsScrollBegin, COLS-result.length()-(Config.new_design ? 2 : Global::VolumeState.length()));
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return result;
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}
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void Playlist::EnterPressed()
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{
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if (w == Items)
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{
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if (!Items->Empty())
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{
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Mpd.PlayID(Items->Current().GetID());
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Global::UpdateStatusImmediately = 1;
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}
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}
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else if (w == SortDialog)
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{
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size_t pos = SortDialog->Choice();
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size_t beginning = 0;
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size_t end = Items->Size();
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if (Items->hasSelected())
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{
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std::vector<size_t> list;
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Items->GetSelected(list);
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beginning = *list.begin();
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end = *list.rbegin()+1;
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}
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if (pos > SortOptions)
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{
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if (pos == SortOptions+2) // reverse
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{
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BlockUpdate = 1;
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ShowMessage("Reversing playlist order...");
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Mpd.StartCommandsList();
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for (size_t i = beginning, j = end-1; i < (beginning+end)/2; ++i, --j)
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{
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Mpd.Swap(i, j);
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Items->Swap(i, j);
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}
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ShowMessage(Mpd.CommitCommandsList() ? "Playlist reversed!" : "Error while reversing playlist!");
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w = Items;
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return;
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}
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else if (pos == SortOptions+3) // cancel
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{
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w = Items;
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return;
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}
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}
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else
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{
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ShowMessage("Move tag types up and down to adjust sort order");
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return;
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}
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ShowMessage("Sorting playlist...");
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MPD::SongList playlist, cmp;
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playlist.reserve(end-beginning);
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for (size_t i = beginning; i < end; ++i)
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{
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(*Items)[i].SetPosition(i);
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playlist.push_back(&(*Items)[i]);
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}
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cmp = playlist;
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sort(playlist.begin(), playlist.end(), Playlist::Sorting);
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if (playlist == cmp)
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{
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ShowMessage("Playlist is already sorted");
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return;
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}
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BlockUpdate = 1;
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Mpd.StartCommandsList();
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do
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{
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for (size_t i = 0, j = beginning; i < playlist.size(); ++i, ++j)
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{
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if (playlist[i]->GetPosition() > j)
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{
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Mpd.Swap(playlist[i]->GetPosition(), j);
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std::swap(cmp[playlist[i]->GetPosition()-beginning], cmp[i]);
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Items->Swap(playlist[i]->GetPosition(), j);
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}
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cmp[i]->SetPosition(j);
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}
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}
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while (playlist != cmp);
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ShowMessage(Mpd.CommitCommandsList() ? "Playlist sorted!" : "Error while sorting playlist!");
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w = Items;
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}
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}
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void Playlist::SpacePressed()
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{
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if (w == Items && !Items->Empty())
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{
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Items->Select(Items->Choice(), !Items->isSelected());
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Items->Scroll(wDown);
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}
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}
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void Playlist::ReadKey(int &key)
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{
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w->ReadKey(key);
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UpdateTimer();
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}
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void Playlist::MouseButtonPressed(MEVENT me)
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{
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if (w == Items && !Items->Empty() && Items->hasCoords(me.x, me.y))
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{
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if (size_t(me.y) < Items->Size() && (me.bstate & (BUTTON1_PRESSED | BUTTON3_PRESSED)))
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{
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Items->Goto(me.y);
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if (me.bstate & BUTTON3_PRESSED)
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EnterPressed();
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}
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else
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Screen<Window>::MouseButtonPressed(me);
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}
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else if (w == SortDialog && SortDialog->hasCoords(me.x, me.y))
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{
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if (me.bstate & (BUTTON1_PRESSED | BUTTON3_PRESSED))
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{
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SortDialog->Goto(me.y);
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if (me.bstate & BUTTON3_PRESSED)
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EnterPressed();
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}
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else
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Screen<Window>::MouseButtonPressed(me);
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}
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}
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MPD::Song *Playlist::CurrentSong()
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{
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return w == Items && !Items->Empty() ? &Items->Current() : 0;
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}
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void Playlist::GetSelectedSongs(MPD::SongList &v)
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{
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if (myPlaylist->Items->Empty())
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return;
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std::vector<size_t> selected;
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Items->GetSelected(selected);
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if (selected.empty())
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selected.push_back(Items->Choice());
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for (std::vector<size_t>::const_iterator it = selected.begin(); it != selected.end(); ++it)
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v.push_back(new MPD::Song(Items->at(*it)));
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}
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void Playlist::ApplyFilter(const std::string &s)
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{
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if (w == Items)
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Items->ApplyFilter(s, 0, REG_ICASE | Config.regex_type);
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}
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void Playlist::Sort()
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{
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if (Items->GetWidth() < SortDialogWidth || MainHeight < 5)
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ShowMessage("Screen is too small to display dialog window!");
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else
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{
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SortDialog->Reset();
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w = SortDialog;
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}
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}
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void Playlist::AdjustSortOrder(int key)
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{
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if (Keypressed(key, Key.MvSongUp))
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{
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size_t pos = SortDialog->Choice();
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if (pos > 0 && pos < SortOptions)
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{
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SortDialog->Swap(pos, pos-1);
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SortDialog->Scroll(wUp);
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}
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}
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else if (Keypressed(key, Key.MvSongDown))
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{
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size_t pos = SortDialog->Choice();
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if (pos < SortOptions-1)
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{
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SortDialog->Swap(pos, pos+1);
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SortDialog->Scroll(wDown);
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}
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}
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}
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void Playlist::FixPositions(size_t beginning)
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{
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bool was_filtered = Items->isFiltered();
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Items->ShowAll();
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for (size_t i = beginning; i < Items->Size(); ++i)
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(*Items)[i].SetPosition(i);
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if (was_filtered)
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Items->ShowFiltered();
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}
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void Playlist::EnableHighlighting()
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{
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Items->Highlighting(1);
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UpdateTimer();
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}
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bool Playlist::Sorting(MPD::Song *a, MPD::Song *b)
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{
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CaseInsensitiveStringComparison cmp;
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for (size_t i = 0; i < SortOptions; ++i)
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if (int ret = cmp(a->GetTags((*SortDialog)[i].second), b->GetTags((*SortDialog)[i].second)))
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return ret < 0;
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return a->GetPosition() < b->GetPosition();
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}
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std::string Playlist::TotalLength()
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{
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std::ostringstream result;
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if (ReloadTotalLength)
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{
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itsTotalLength = 0;
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for (size_t i = 0; i < Items->Size(); ++i)
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itsTotalLength += (*Items)[i].GetTotalLength();
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ReloadTotalLength = 0;
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}
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if (Config.playlist_show_remaining_time && ReloadRemaining && !Items->isFiltered())
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{
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itsRemainingTime = 0;
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for (size_t i = NowPlaying; i < Items->Size(); ++i)
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itsRemainingTime += (*Items)[i].GetTotalLength();
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ReloadRemaining = 0;
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}
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result << '(' << Items->Size() << (Items->Size() == 1 ? " item" : " items");
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if (Items->isFiltered())
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{
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Items->ShowAll();
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size_t real_size = Items->Size();
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Items->ShowFiltered();
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if (Items->Size() != real_size)
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result << " (out of " << Mpd.GetPlaylistLength() << ")";
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}
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if (itsTotalLength)
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{
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result << ", length: ";
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ShowTime(result, itsTotalLength, Config.playlist_shorten_total_times);
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}
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if (Config.playlist_show_remaining_time && itsRemainingTime && !Items->isFiltered() && Items->Size() > 1)
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{
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result << " :: remaining: ";
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ShowTime(result, itsRemainingTime, Config.playlist_shorten_total_times);
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}
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result << ')';
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return result.str();
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}
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const MPD::Song *Playlist::NowPlayingSong()
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{
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bool was_filtered = Items->isFiltered();
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Items->ShowAll();
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const MPD::Song *s = isPlaying() ? &Items->at(NowPlaying) : 0;
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if (was_filtered)
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Items->ShowFiltered();
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return s;
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}
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std::string Playlist::SongToString(const MPD::Song &s, void *data)
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{
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return s.toString(*static_cast<std::string *>(data));
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}
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std::string Playlist::SongInColumnsToString(const MPD::Song &s, void *)
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{
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return s.toString(Config.song_in_columns_to_string_format);
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}
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bool Playlist::Add(const MPD::Song &s, bool in_playlist, bool play, int position)
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{
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Global::BlockItemListUpdate = 1;
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if (Config.ncmpc_like_songs_adding && in_playlist)
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{
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unsigned hash = s.GetHash();
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if (play)
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{
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for (size_t i = 0; i < Items->Size(); ++i)
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{
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if (Items->at(i).GetHash() == hash)
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{
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Mpd.Play(i);
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break;
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}
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}
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return true;
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}
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else
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{
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Playlist::BlockUpdate = 1;
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Mpd.StartCommandsList();
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for (size_t i = 0; i < Items->Size(); ++i)
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{
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if ((*Items)[i].GetHash() == hash)
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{
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Mpd.Delete(i);
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Items->DeleteOption(i);
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i--;
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}
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}
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Mpd.CommitCommandsList();
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Playlist::BlockUpdate = 0;
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return false;
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}
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}
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else
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{
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int id = Mpd.AddSong(s, position);
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if (id >= 0)
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{
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ShowMessage("Added to playlist: %s", s.toString(Config.song_status_format_no_colors).c_str());
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if (play)
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Mpd.PlayID(id);
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return true;
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}
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else
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return false;
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}
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}
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bool Playlist::Add(const MPD::SongList &l, bool play, int position)
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{
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if (l.empty())
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return false;
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size_t old_playlist_size = Items->Size();
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Mpd.StartCommandsList();
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MPD::SongList::const_iterator it = l.begin();
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if (position < 0)
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{
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for (; it != l.end(); ++it)
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if (Mpd.AddSong(**it) < 0)
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break;
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}
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else
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{
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MPD::SongList::const_reverse_iterator j = l.rbegin();
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for (; j != l.rend(); ++j)
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if (Mpd.AddSong(**j, position) < 0)
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break;
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}
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if (!Mpd.CommitCommandsList())
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return false;
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if (play && old_playlist_size < Items->Size())
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Mpd.Play(old_playlist_size);
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if (position < 0 && Items->Back().GetHash() != l.back()->GetHash())
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{
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if (it != l.begin())
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ShowMessage("%s", MPD::Message::PartOfSongsAdded);
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return false;
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}
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else
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return true;
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}
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