119 lines
3.1 KiB
C++
119 lines
3.1 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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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 GNU
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* 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; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "proxymodel.h"
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bool ProxyModel::matchesFilter(const Song &s) const
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{
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QStringList strings;
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strings << s.albumArtist();
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if (s.albumartist!=s.artist) {
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strings << s.artist;
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}
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strings << s.title << s.album;
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return matchesFilter(strings);
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}
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bool ProxyModel::matchesFilter(const QStringList &strings) const
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{
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if (filterStrings.isEmpty()) {
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return true;
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}
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uint ums = unmatchedStrings;
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int numStrings = filterStrings.count();
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foreach (const QString &candidate /*str*/, strings) {
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// QString candidate = str.simplified();
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// for (int i = 0; i < candidate.size(); ++i) {
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// if (candidate.at(i).decompositionTag() != QChar::NoDecomposition) {
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// candidate[i] = candidate[i].decomposition().at(0);
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// }
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// }
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for (int i = 0; i < numStrings; ++i) {
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if (candidate.contains(filterStrings.at(i), Qt::CaseInsensitive)) {
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ums &= ~(1<<i);
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if (0==ums) {
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return true;
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}
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}
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}
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}
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return false;
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}
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bool ProxyModel::update(const QString &text, const QString &genre)
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{
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filterStrings = text.split(' ', QString::SkipEmptyParts, Qt::CaseInsensitive);
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unmatchedStrings = 0;
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const int n = qMin(filterStrings.count(), (int)sizeof(uint));
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for ( int i = 0; i < n; ++i ) {
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unmatchedStrings |= (1<<i);
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}
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if (text.length()<2 && genre.isEmpty()) {
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if (filterEnabled) {
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bool wasEmpty=isEmpty();
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filterEnabled=false;
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filterGenre=genre;
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if (!wasEmpty) {
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invalidate();
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}
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if (!filterRegExp().isEmpty()) {
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setFilterRegExp(QString());
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}
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return true;
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}
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} else {
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filterEnabled=true;
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filterGenre=genre;
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if (text!=filterRegExp().pattern()) {
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setFilterRegExp(text);
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} else {
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invalidate();
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}
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return true;
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}
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return false;
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}
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bool ProxyModel::isChildOfRoot(const QModelIndex &idx) const {
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if (!rootIndex.isValid()) {
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return true;
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}
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QModelIndex i=idx;
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while(i.isValid()) {
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if (i==rootIndex) {
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return true;
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}
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i=i.parent();
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}
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return false;
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}
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