535 lines
14 KiB
C++
535 lines
14 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2012 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 <cassert>
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#include <algorithm>
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#include "charset.h"
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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 "playlist.h"
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#include "playlist_editor.h"
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#include "mpdpp.h"
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#include "regex_filter.h"
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#include "status.h"
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#include "statusbar.h"
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#include "tag_editor.h"
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#include "utility/comparators.h"
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#include "title.h"
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#include "screen_switcher.h"
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using namespace std::placeholders;
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using Global::MainHeight;
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using Global::MainStartY;
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PlaylistEditor *myPlaylistEditor;
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namespace {//
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size_t LeftColumnStartX;
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size_t LeftColumnWidth;
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size_t RightColumnStartX;
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size_t RightColumnWidth;
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std::string SongToString(const MPD::Song &s);
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bool PlaylistEntryMatcher(const Regex &rx, const std::string &playlist);
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bool SongEntryMatcher(const Regex &rx, const MPD::Song &s);
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}
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PlaylistEditor::PlaylistEditor()
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{
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LeftColumnWidth = COLS/3-1;
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RightColumnStartX = LeftColumnWidth+1;
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RightColumnWidth = COLS-LeftColumnWidth-1;
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Playlists = NC::Menu<std::string>(0, MainStartY, LeftColumnWidth, MainHeight, Config.titles_visibility ? "Playlists" : "", Config.main_color, NC::brNone);
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Playlists.setHighlightColor(Config.active_column_color);
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Playlists.cyclicScrolling(Config.use_cyclic_scrolling);
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Playlists.centeredCursor(Config.centered_cursor);
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Playlists.setSelectedPrefix(Config.selected_item_prefix);
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Playlists.setSelectedSuffix(Config.selected_item_suffix);
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Playlists.setItemDisplayer(Display::Default<std::string>);
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Content = NC::Menu<MPD::Song>(RightColumnStartX, MainStartY, RightColumnWidth, MainHeight, Config.titles_visibility ? "Playlist content" : "", Config.main_color, NC::brNone);
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Content.setHighlightColor(Config.main_highlight_color);
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Content.cyclicScrolling(Config.use_cyclic_scrolling);
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Content.centeredCursor(Config.centered_cursor);
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Content.setSelectedPrefix(Config.selected_item_prefix);
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Content.setSelectedSuffix(Config.selected_item_suffix);
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if (Config.columns_in_playlist_editor)
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Content.setItemDisplayer(std::bind(Display::SongsInColumns, _1, contentProxyList()));
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else
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Content.setItemDisplayer(std::bind(Display::Songs, _1, contentProxyList(), Config.song_list_format));
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w = &Playlists;
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}
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void PlaylistEditor::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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LeftColumnStartX = x_offset;
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LeftColumnWidth = width/3-1;
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RightColumnStartX = LeftColumnStartX+LeftColumnWidth+1;
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RightColumnWidth = width-LeftColumnWidth-1;
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Playlists.resize(LeftColumnWidth, MainHeight);
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Content.resize(RightColumnWidth, MainHeight);
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Playlists.moveTo(LeftColumnStartX, MainStartY);
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Content.moveTo(RightColumnStartX, MainStartY);
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hasToBeResized = 0;
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}
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std::wstring PlaylistEditor::title()
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{
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return L"Playlist editor";
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}
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void PlaylistEditor::refresh()
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{
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Playlists.display();
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mvvline(MainStartY, RightColumnStartX-1, 0, MainHeight);
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Content.display();
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}
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void PlaylistEditor::switchTo()
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{
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SwitchTo::execute(this);
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markSongsInPlaylist(contentProxyList());
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drawHeader();
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refresh();
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}
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void PlaylistEditor::update()
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{
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if (Playlists.reallyEmpty() || m_playlists_update_requested)
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{
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m_playlists_update_requested = false;
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Playlists.clearSearchResults();
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withUnfilteredMenuReapplyFilter(Playlists, [this]() {
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size_t idx = 0;
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Mpd.GetPlaylists([this, &idx](std::string &&playlist) {
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if (idx < Playlists.size())
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Playlists[idx].value() = playlist;
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else
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Playlists.addItem(playlist);
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++idx;
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});
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if (idx < Playlists.size())
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Playlists.resizeList(idx);
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std::sort(Playlists.beginV(), Playlists.endV(),
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LocaleBasedSorting(std::locale(), Config.ignore_leading_the));
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});
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Playlists.refresh();
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}
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if (!Playlists.empty() && (Content.reallyEmpty() || m_content_update_requested))
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{
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m_content_update_requested = false;
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Content.clearSearchResults();
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withUnfilteredMenuReapplyFilter(Content, [this]() {
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size_t idx = 0;
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Mpd.GetPlaylistContent(Playlists.current().value(), [this, &idx](MPD::Song &&s) {
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if (idx < Content.size())
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{
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Content[idx].value() = s;
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Content[idx].setBold(myPlaylist->checkForSong(s));
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}
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else
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Content.addItem(s, myPlaylist->checkForSong(s));
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++idx;
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});
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if (idx < Content.size())
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Content.resizeList(idx);
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std::string title;
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if (Config.titles_visibility)
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{
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title = "Playlist content";
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title += " (";
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title += unsignedLongIntTo<std::string>::apply(Content.size());
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title += " item";
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if (Content.size() == 1)
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title += ")";
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else
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title += "s)";
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title.resize(Content.getWidth());
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}
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Content.setTitle(title);
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});
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Content.display();
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}
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if (isActiveWindow(Content) && Content.reallyEmpty())
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{
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Content.setHighlightColor(Config.main_highlight_color);
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Playlists.setHighlightColor(Config.active_column_color);
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w = &Playlists;
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}
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if (Playlists.empty() && Content.reallyEmpty())
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{
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Content.Window::clear();
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Content.Window::display();
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}
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}
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bool PlaylistEditor::isContentFiltered()
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{
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if (Content.isFiltered())
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{
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Statusbar::msg("Function currently unavailable due to filtered playlist content");
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return true;
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}
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return false;
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}
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ProxySongList PlaylistEditor::contentProxyList()
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{
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return ProxySongList(Content, [](NC::Menu<MPD::Song>::Item &item) {
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return &item.value();
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});
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}
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void PlaylistEditor::AddToPlaylist(bool add_n_play)
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{
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MPD::SongList list;
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if (isActiveWindow(Playlists) && !Playlists.empty())
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{
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if (Mpd.LoadPlaylist(Playlists.current().value()))
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{
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Statusbar::msg("Playlist \"%s\" loaded", Playlists.current().value().c_str());
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if (add_n_play)
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myPlaylist->PlayNewlyAddedSongs();
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}
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}
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else if (isActiveWindow(Content) && !Content.empty())
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addSongToPlaylist(Content.current().value(), add_n_play);
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if (!add_n_play)
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w->scroll(NC::wDown);
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}
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void PlaylistEditor::enterPressed()
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{
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AddToPlaylist(true);
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}
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void PlaylistEditor::spacePressed()
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{
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if (Config.space_selects)
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{
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if (isActiveWindow(Playlists))
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{
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if (!Playlists.empty())
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{
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Playlists.current().setSelected(!Playlists.current().isSelected());
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Playlists.scroll(NC::wDown);
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}
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}
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else if (isActiveWindow(Content))
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{
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if (!Content.empty())
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{
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Content.current().setSelected(!Content.current().isSelected());
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Content.scroll(NC::wDown);
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}
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}
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}
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else
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AddToPlaylist(false);
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}
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void PlaylistEditor::mouseButtonPressed(MEVENT me)
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{
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if (!Playlists.empty() && Playlists.hasCoords(me.x, me.y))
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{
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if (!isActiveWindow(Playlists))
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{
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if (previousColumnAvailable())
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previousColumn();
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else
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return;
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}
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if (size_t(me.y) < Playlists.size() && (me.bstate & (BUTTON1_PRESSED | BUTTON3_PRESSED)))
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{
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Playlists.Goto(me.y);
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if (me.bstate & BUTTON3_PRESSED)
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{
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size_t pos = Playlists.choice();
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spacePressed();
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if (pos < Playlists.size()-1)
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Playlists.scroll(NC::wUp);
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}
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}
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else
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Screen<WindowType>::mouseButtonPressed(me);
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Content.clear();
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}
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else if (!Content.empty() && Content.hasCoords(me.x, me.y))
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{
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if (!isActiveWindow(Content))
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{
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if (nextColumnAvailable())
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nextColumn();
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else
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return;
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}
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if (size_t(me.y) < Content.size() && (me.bstate & (BUTTON1_PRESSED | BUTTON3_PRESSED)))
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{
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Content.Goto(me.y);
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if (me.bstate & BUTTON1_PRESSED)
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{
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size_t pos = Content.choice();
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spacePressed();
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if (pos < Content.size()-1)
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Content.scroll(NC::wUp);
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}
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else
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enterPressed();
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}
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else
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Screen<WindowType>::mouseButtonPressed(me);
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}
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}
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/***********************************************************************/
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bool PlaylistEditor::allowsFiltering()
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{
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return true;
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}
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std::string PlaylistEditor::currentFilter()
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{
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std::string filter;
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if (isActiveWindow(Playlists))
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filter = RegexFilter<std::string>::currentFilter(Playlists);
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else if (isActiveWindow(Content))
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filter = RegexFilter<MPD::Song>::currentFilter(Content);
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return filter;
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}
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void PlaylistEditor::applyFilter(const std::string &filter)
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{
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if (isActiveWindow(Playlists))
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{
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Playlists.showAll();
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auto rx = RegexFilter<std::string>(filter, Config.regex_type, PlaylistEntryMatcher);
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Playlists.filter(Playlists.begin(), Playlists.end(), rx);
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}
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else if (isActiveWindow(Content))
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{
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Content.showAll();
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auto rx = RegexFilter<MPD::Song>(filter, Config.regex_type, SongEntryMatcher);
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Content.filter(Content.begin(), Content.end(), rx);
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}
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}
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/***********************************************************************/
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bool PlaylistEditor::allowsSearching()
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{
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return true;
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}
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bool PlaylistEditor::search(const std::string &constraint)
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{
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bool result = false;
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if (isActiveWindow(Playlists))
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{
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auto rx = RegexFilter<std::string>(constraint, Config.regex_type, PlaylistEntryMatcher);
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result = Playlists.search(Playlists.begin(), Playlists.end(), rx);
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}
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else if (isActiveWindow(Content))
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{
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auto rx = RegexFilter<MPD::Song>(constraint, Config.regex_type, SongEntryMatcher);
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result = Content.search(Content.begin(), Content.end(), rx);
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}
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return result;
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}
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void PlaylistEditor::nextFound(bool wrap)
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{
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if (isActiveWindow(Playlists))
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Playlists.nextFound(wrap);
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else if (isActiveWindow(Content))
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Content.nextFound(wrap);
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}
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void PlaylistEditor::prevFound(bool wrap)
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{
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if (isActiveWindow(Playlists))
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Playlists.prevFound(wrap);
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else if (isActiveWindow(Content))
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Content.prevFound(wrap);
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}
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/***********************************************************************/
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ProxySongList PlaylistEditor::proxySongList()
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{
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auto ptr = ProxySongList();
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if (isActiveWindow(Content))
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ptr = contentProxyList();
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return ptr;
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}
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bool PlaylistEditor::allowsSelection()
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{
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return true;
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}
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void PlaylistEditor::reverseSelection()
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{
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if (isActiveWindow(Playlists))
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reverseSelectionHelper(Playlists.begin(), Playlists.end());
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else if (isActiveWindow(Content))
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reverseSelectionHelper(Content.begin(), Content.end());
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}
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MPD::SongList PlaylistEditor::getSelectedSongs()
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{
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MPD::SongList result;
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if (isActiveWindow(Playlists))
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{
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bool any_selected = false;
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for (auto it = Playlists.begin(); it != Playlists.end(); ++it)
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{
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if (it->isSelected())
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{
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any_selected = true;
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Mpd.GetPlaylistContent(it->value(), [&result](MPD::Song &&s) {
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result.push_back(s);
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});
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}
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}
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// we don't check for empty result here as it's possible that
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// all selected playlists are empty.
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if (!any_selected && !Content.empty())
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{
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withUnfilteredMenu(Content, [this, &result]() {
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result.insert(result.end(), Content.beginV(), Content.endV());
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});
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}
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}
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else if (isActiveWindow(Content))
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{
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for (auto it = Content.begin(); it != Content.end(); ++it)
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if (it->isSelected())
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result.push_back(it->value());
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// if no item is selected, add current one
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if (result.empty() && !Content.empty())
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result.push_back(Content.current().value());
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}
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return result;
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}
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/***********************************************************************/
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bool PlaylistEditor::previousColumnAvailable()
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{
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if (isActiveWindow(Content))
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{
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if (!Playlists.reallyEmpty())
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return true;
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}
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return false;
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}
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void PlaylistEditor::previousColumn()
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{
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if (isActiveWindow(Content))
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{
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Content.setHighlightColor(Config.main_highlight_color);
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w->refresh();
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w = &Playlists;
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Playlists.setHighlightColor(Config.active_column_color);
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}
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}
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bool PlaylistEditor::nextColumnAvailable()
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{
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if (isActiveWindow(Playlists))
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{
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if (!Content.reallyEmpty())
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return true;
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}
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return false;
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}
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void PlaylistEditor::nextColumn()
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{
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if (isActiveWindow(Playlists))
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{
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Playlists.setHighlightColor(Config.main_highlight_color);
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w->refresh();
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w = &Content;
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Content.setHighlightColor(Config.active_column_color);
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}
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}
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/***********************************************************************/
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void PlaylistEditor::Locate(const std::string &name)
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{
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update();
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for (size_t i = 0; i < Playlists.size(); ++i)
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{
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if (name == Playlists[i].value())
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{
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Playlists.highlight(i);
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Content.clear();
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break;
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}
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}
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switchTo();
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}
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namespace {//
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std::string SongToString(const MPD::Song &s)
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{
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std::string result;
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if (Config.columns_in_playlist_editor)
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result = s.toString(Config.song_in_columns_to_string_format, Config.tags_separator);
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else
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result = s.toString(Config.song_list_format_dollar_free, Config.tags_separator);
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return result;
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}
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bool PlaylistEntryMatcher(const Regex &rx, const std::string &playlist)
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{
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return rx.match(playlist);
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}
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bool SongEntryMatcher(const Regex &rx, const MPD::Song &s)
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{
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return rx.match(SongToString(s));
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}
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}
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