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/*
* Cantata
*
* Copyright (c) 2011-2022 Craig Drummond <craig.p.drummond@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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "musiclibraryitem.h"
MusicLibraryItem::MusicLibraryItem(MusicLibraryItemContainer* parent)
: m_parentItem(parent), m_checkState(Qt::Unchecked), m_row(0)
{
}
int MusicLibraryItem::row() const
{
// Calculate row value of this item. Use 0 to mean not-yet calcualted. Therefore, we
// store rows as value+1 - so need to decrement upon return!
if (m_row > 0) {
return m_row - 1;
}
else if (m_parentItem) {
m_row = m_parentItem->m_childItems.indexOf(const_cast<MusicLibraryItem*>(this)) + 1;
m_parentItem->m_rowsSet = true;
return m_row - 1;
}
return 0;
}
void MusicLibraryItem::setParent(MusicLibraryItemContainer* p)
{
if (p == m_parentItem) {
return;
}
if (m_parentItem) {
m_parentItem->m_childItems.removeAll(this);
m_parentItem->resetRows();
}
m_parentItem = p;
m_parentItem->m_childItems.append(this);
}
MusicLibraryItem* MusicLibraryItemContainer::childItem(const QString& name) const
{
for (MusicLibraryItem* i : m_childItems) {
if (i->data() == name) {
return i;
}
}
return nullptr;
}
void MusicLibraryItemContainer::resetRows()
{
if (m_rowsSet) {
for (MusicLibraryItem* i : m_childItems) {
i->m_row = 0;
}
m_rowsSet = false;
}
}
void MusicLibraryItemContainer::clear()
{
qDeleteAll(m_childItems);
m_childItems.clear();
m_rowsSet = false;
}
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