87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2021 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 "musiclibraryitem.h"
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MusicLibraryItem::MusicLibraryItem(MusicLibraryItemContainer *parent)
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: m_parentItem(parent)
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, m_checkState(Qt::Unchecked)
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, m_row(0)
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{
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}
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int MusicLibraryItem::row() const
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{
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// Calculate row value of this item. Use 0 to mean not-yet calcualted. Therefore, we
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// store rows as value+1 - so need to decrement upon return!
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if (m_row>0) {
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return m_row-1;
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} else if (m_parentItem) {
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m_row=m_parentItem->m_childItems.indexOf(const_cast<MusicLibraryItem*>(this))+1;
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m_parentItem->m_rowsSet=true;
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return m_row-1;
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}
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return 0;
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}
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void MusicLibraryItem::setParent(MusicLibraryItemContainer *p)
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{
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if (p==m_parentItem) {
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return;
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}
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if (m_parentItem) {
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m_parentItem->m_childItems.removeAll(this);
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m_parentItem->resetRows();
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}
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m_parentItem=p;
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m_parentItem->m_childItems.append(this);
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}
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MusicLibraryItem * MusicLibraryItemContainer::childItem(const QString &name) const
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{
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for (MusicLibraryItem *i: m_childItems) {
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if (i->data()==name) {
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return i;
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}
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}
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return nullptr;
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}
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void MusicLibraryItemContainer::resetRows()
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{
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if (m_rowsSet) {
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for (MusicLibraryItem *i: m_childItems) {
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i->m_row=0;
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}
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m_rowsSet=false;
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}
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}
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void MusicLibraryItemContainer::clear()
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{
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qDeleteAll(m_childItems);
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m_childItems.clear();
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m_rowsSet=false;
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}
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