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/*
* Copyright (C) 2016 Canonical Ltd.
*
* 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; version 3.
*
* 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. If not, see <http://www.gnu.org/licenses/>.
*/
#include "appdrawerproxymodel.h"
#include <lomiri/shell/launcher/LauncherItemInterface.h>
#include <QDebug>
AppDrawerProxyModel::AppDrawerProxyModel(QObject *parent):
QSortFilterProxyModel(parent)
{
setSortRole(AppDrawerModelInterface::RoleName);
setSortLocaleAware(true);
sort(0);
connect(this, &QAbstractListModel::rowsInserted, this, &AppDrawerProxyModel::countChanged);
connect(this, &QAbstractListModel::rowsRemoved, this, &AppDrawerProxyModel::countChanged);
connect(this, &QAbstractListModel::layoutChanged, this, &AppDrawerProxyModel::countChanged);
}
QAbstractItemModel *AppDrawerProxyModel::source() const
{
return m_source;
}
void AppDrawerProxyModel::setSource(QAbstractItemModel *source)
{
if (m_source != source) {
m_source = source;
setSourceModel(m_source);
setSortRole(m_sortBy == SortByAToZ ? AppDrawerModelInterface::RoleName : AppDrawerModelInterface::RoleUsage);
connect(m_source, &QAbstractItemModel::rowsRemoved, this, &AppDrawerProxyModel::invalidate);
connect(m_source, &QAbstractItemModel::rowsInserted, this, &AppDrawerProxyModel::invalidate);
Q_EMIT sourceChanged();
}
}
AppDrawerProxyModel::GroupBy AppDrawerProxyModel::group() const
{
return m_group;
}
void AppDrawerProxyModel::setGroup(AppDrawerProxyModel::GroupBy group)
{
if (m_group != group) {
m_group = group;
Q_EMIT groupChanged();
invalidateFilter();
}
}
QString AppDrawerProxyModel::filterLetter() const
{
return m_filterLetter;
}
void AppDrawerProxyModel::setFilterLetter(const QString &filterLetter)
{
if (m_filterLetter != filterLetter) {
m_filterLetter = filterLetter;
Q_EMIT filterLetterChanged();
invalidateFilter();
}
}
QString AppDrawerProxyModel::filterString() const
{
return m_filterString;
}
void AppDrawerProxyModel::setFilterString(const QString &filterString)
{
const QString filterStringOptimised = removeDiacritics(filterString);
if (m_filterString != filterStringOptimised) {
m_filterString = filterStringOptimised;
Q_EMIT filterStringChanged();
invalidateFilter();
}
}
AppDrawerProxyModel::SortBy AppDrawerProxyModel::sortBy() const
{
return m_sortBy;
}
void AppDrawerProxyModel::setSortBy(AppDrawerProxyModel::SortBy sortBy)
{
if (m_sortBy != sortBy) {
m_sortBy = sortBy;
Q_EMIT sortByChanged();
setSortRole(m_sortBy == SortByAToZ ? AppDrawerModelInterface::RoleName : AppDrawerModelInterface::RoleUsage);
sort(0);
}
}
int AppDrawerProxyModel::count() const
{
return rowCount();
}
QVariant AppDrawerProxyModel::data(const QModelIndex &index, int role) const
{
QModelIndex idx = mapToSource(index);
if (role == Qt::UserRole) {
QString name = m_source->data(idx, AppDrawerModelInterface::RoleName).toString();
return name.length() > 0 ? QString(name.at(0)).toUpper() : QChar();
}
return m_source->data(idx, role);
}
QHash<int, QByteArray> AppDrawerProxyModel::roleNames() const
{
if (m_source) {
QHash<int, QByteArray> roles = m_source->roleNames();
roles.insert(Qt::UserRole, "letter");
return roles;
}
return QHash<int, QByteArray>();
}
bool AppDrawerProxyModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
{
Q_UNUSED(source_parent)
if (m_group == GroupByAToZ && source_row > 0) {
QString currentName = m_source->data(m_source->index(source_row, 0), AppDrawerModelInterface::RoleName).toString();
QChar currentLetter = currentName.length() > 0 ? currentName.at(0) : QChar();
QString previousName = m_source->data(m_source->index(source_row - 1,0 ), AppDrawerModelInterface::RoleName).toString();
QChar previousLetter = previousName.length() > 0 ? previousName.at(0) : QChar();
if (currentLetter.toLower() == previousLetter.toLower()) {
return false;
}
} else if(m_group == GroupByAll && source_row > 0) {
return false;
}
if (!m_filterLetter.isEmpty()) {
QString currentName = m_source->data(m_source->index(source_row, 0), AppDrawerModelInterface::RoleName).toString();
QString currentLetter = currentName.length() > 0 ? QString(currentName.at(0)) : QString();
if (currentLetter.toLower() != m_filterLetter.toLower()) {
return false;
}
}
if (!m_filterString.isEmpty()) {
QStringList allWords = m_source->data(m_source->index(source_row, 0), AppDrawerModelInterface::RoleKeywords).toStringList();
allWords.prepend(m_source->data(m_source->index(source_row, 0), AppDrawerModelInterface::RoleName).toString());
bool found = false;
Q_FOREACH (const QString ¤tWord, allWords) {
if (removeDiacritics(currentWord).contains(m_filterString, Qt::CaseInsensitive)) {
found = true;
break;
}
}
if (!found) {
return false;
}
}
return true;
}
QString AppDrawerProxyModel::removeDiacritics(const QString &input) const
{
QString normalized = input.normalized(QString::NormalizationForm_D);
QString result = normalized;
result.remove(QRegularExpression("[\\p{M}]"));
return result;
}
QString AppDrawerProxyModel::appId(int index) const
{
if (index >= 0 && index < rowCount()) {
QModelIndex sourceIndex = mapToSource(this->index(index, 0));
AppDrawerModelInterface* adm = dynamic_cast<AppDrawerModelInterface*>(m_source);
if (adm) {
return adm->data(sourceIndex, AppDrawerModelInterface::RoleAppId).toString();
}
AppDrawerProxyModel* adpm = qobject_cast<AppDrawerProxyModel*>(m_source);
if (adpm) {
return adpm->appId(sourceIndex.row());
}
}
return QString();
}
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