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156 lines
4.3 KiB
156 lines
4.3 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum 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 3 of the License, or
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(at your option) any later version.
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cpp-ethereum 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @author Yann <yann@ethdev.com>
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* @date 2015
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* Proxy used to filter a QML TableView.
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*/
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#include "SortFilterProxyModel.h"
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#include <QtDebug>
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#include <QtQml>
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using namespace dev::mix;
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SortFilterProxyModel::SortFilterProxyModel(QObject* _parent) : QSortFilterProxyModel(_parent)
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{
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connect(this, &SortFilterProxyModel::rowsInserted, this, &SortFilterProxyModel::countChanged);
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connect(this, &SortFilterProxyModel::rowsRemoved, this, &SortFilterProxyModel::countChanged);
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}
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int SortFilterProxyModel::count() const
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{
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return rowCount();
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}
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QObject* SortFilterProxyModel::source() const
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{
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return sourceModel();
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}
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void SortFilterProxyModel::setSource(QObject* _source)
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{
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setSourceModel(qobject_cast<QAbstractItemModel*>(_source));
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}
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QByteArray SortFilterProxyModel::sortRole() const
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{
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return roleNames().value(QSortFilterProxyModel::sortRole());
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}
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void SortFilterProxyModel::setSortRole(QByteArray const& _role)
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{
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QSortFilterProxyModel::setSortRole(roleKey(_role));
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}
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void SortFilterProxyModel::setSortOrder(Qt::SortOrder _order)
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{
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QSortFilterProxyModel::sort(0, _order);
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}
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QString SortFilterProxyModel::filterString() const
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{
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return filterRegExp().pattern();
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}
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void SortFilterProxyModel::setFilterString(QString const& _filter)
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{
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setFilterRegExp(QRegExp(_filter, filterCaseSensitivity(), static_cast<QRegExp::PatternSyntax>(filterSyntax())));
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}
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SortFilterProxyModel::FilterSyntax SortFilterProxyModel::filterSyntax() const
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{
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return static_cast<FilterSyntax>(filterRegExp().patternSyntax());
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}
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void SortFilterProxyModel::setFilterSyntax(SortFilterProxyModel::FilterSyntax _syntax)
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{
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setFilterRegExp(QRegExp(filterString(), filterCaseSensitivity(), static_cast<QRegExp::PatternSyntax>(_syntax)));
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}
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QJSValue SortFilterProxyModel::get(int _idx) const
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{
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QJSEngine *engine = qmlEngine(this);
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QJSValue value = engine->newObject();
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if (_idx >= 0 && _idx < count())
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{
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QHash<int, QByteArray> roles = roleNames();
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QHashIterator<int, QByteArray> it(roles);
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while (it.hasNext())
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{
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it.next();
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value.setProperty(QString::fromUtf8(it.value()), data(index(_idx, 0), it.key()).toString());
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}
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}
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return value;
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}
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int SortFilterProxyModel::roleKey(QByteArray const& _role) const
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{
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QHash<int, QByteArray> roles = roleNames();
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QHashIterator<int, QByteArray> it(roles);
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while (it.hasNext())
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{
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it.next();
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if (it.value() == _role)
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return it.key();
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}
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return -1;
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}
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QHash<int, QByteArray> SortFilterProxyModel::roleNames() const
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{
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if (QAbstractItemModel* source = sourceModel())
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return source->roleNames();
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return QHash<int, QByteArray>();
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}
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bool SortFilterProxyModel::filterAcceptsRow(int _sourceRow, QModelIndex const& _sourceParent) const
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{
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QAbstractItemModel* model = sourceModel();
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QModelIndex sourceIndex = model->index(_sourceRow, 0, _sourceParent);
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if (!sourceIndex.isValid())
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return true;
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QString keyType = model->data(sourceIndex, roleKey(type.toUtf8())).toString();
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QString keyContent = model->data(sourceIndex, roleKey(content.toUtf8())).toString();
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return keyType.contains(m_filterType) && keyContent.contains(m_filterContent);
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}
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void SortFilterProxyModel::setFilterType(QString const& _type)
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{
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m_filterType = QRegExp(_type, filterCaseSensitivity(), static_cast<QRegExp::PatternSyntax>(filterSyntax()));
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setFilterRegExp(_type);
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}
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QString SortFilterProxyModel::filterType() const
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{
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return m_filterType.pattern();
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}
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void SortFilterProxyModel::setFilterContent(QString const& _content)
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{
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m_filterContent = QRegExp(_content, filterCaseSensitivity(), static_cast<QRegExp::PatternSyntax>(filterSyntax()));
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setFilterRegExp(_content);
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}
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QString SortFilterProxyModel::filterContent() const
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{
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return m_filterContent.pattern();
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}
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