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/*
* Copyright 2008 Jason A. Donenfeld <Jason@zx2c4.com>
*/
#include "collectionsorter.h"
#include "collectionmodel.h"
#include <QStringList>
#include <QDebug>
CollectionSorter::CollectionSorter(QObject *parent, CollectionModel *parentModel) : QSortFilterProxyModel(parent), m_selected(-1)
{
setSourceModel(parentModel);
}
bool CollectionSorter::filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const
{
if(m_filter.isEmpty())
return true;
QString artist = sourceModel()->data(sourceModel()->index(sourceRow, 1, sourceParent)).toString();
QString album = sourceModel()->data(sourceModel()->index(sourceRow, 2, sourceParent)).toString();
QString title = sourceModel()->data(sourceModel()->index(sourceRow, 3, sourceParent)).toString();
bool keep = true;
foreach(QString word, m_filter.split(' ')) {
keep &= artist.contains(word, Qt::CaseInsensitive) || album.contains(word, Qt::CaseInsensitive) || title.contains(word, Qt::CaseInsensitive);
}
return keep;
}
void CollectionSorter::setFilter(QString filter)
{
QModelIndex currentSelected = currentItem();
bool b = filter != m_filter;
m_filter = filter;
if(b)
invalidateFilter();
if(currentSelected.isValid())
m_selected = mapFromSource(currentSelected).row();
}
QModelIndex CollectionSorter::peekNext() const
{
if(m_selected + 1 >= rowCount() || rowCount() == 0)
return QModelIndex();
return mapToSource(index(m_selected + 1, 0));
}
QModelIndex CollectionSorter::moveNext()
{
QModelIndex next = peekNext();
setCurrentItem(next);
return next;
}
QModelIndex CollectionSorter::peekPrevious() const
{
if(m_selected <= 0 || rowCount() == 0)
return QModelIndex();
return mapToSource(index(m_selected - 1, 0));
}
QModelIndex CollectionSorter::movePrevious()
{
QModelIndex previous = peekPrevious();
setCurrentItem(previous);
return previous;
}
QModelIndex CollectionSorter::currentItem() const
{
if(m_selected >= 0)
return mapToSource(index(m_selected, 0));
return QModelIndex();
}
void CollectionSorter::setCurrentItem(const QModelIndex& item)
{
if(!item.isValid()) {
m_parent->setPosition(-1);
m_selected = -1;
return;
}
if(m_selected >= 0)
emit(dataChanged(index(m_selected, 0), index(m_selected, 3)));
if(item.model() == this) {
m_selected = item.row();
m_parent->setPosition(mapToSource(item).row());
} else if(item.model() == m_parent) {
m_selected = mapFromSource(item).row();
m_parent->setPosition(item.row());
}
emit selectedChanged();
emit(dataChanged(index(m_selected, 0), index(m_selected, 3)));
}
void CollectionSorter::setSourceModel(CollectionModel *sourceModel)
{
m_parent = sourceModel;
QAbstractProxyModel::setSourceModel(sourceModel);
}
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