104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2012 Craig Drummond <craig.p.drummond@gmail.com>
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*
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*/
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/*
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* Copyright (c) 2008 Sander Knopper (sander AT knopper DOT tk) and
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* Roeland Douma (roeland AT rullzer DOT com)
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*
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* This file is part of QtMPC.
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*
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* QtMPC 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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* QtMPC 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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*
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* You should have received a copy of the GNU General Public License
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* along with QtMPC. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "dirviewitem.h"
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#include "dirviewitemfile.h"
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#include "dirviewproxymodel.h"
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DirViewProxyModel::DirViewProxyModel(QObject *parent)
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: ProxyModel(parent)
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{
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setDynamicSortFilter(true);
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setFilterCaseSensitivity(Qt::CaseInsensitive);
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setSortCaseSensitivity(Qt::CaseInsensitive);
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setSortLocaleAware(true);
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}
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bool DirViewProxyModel::filterAcceptsDirViewItem(const DirViewItem * const item, bool first) const
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{
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DirViewItem *child;
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DirViewItem *parent;
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// check if self matches regex
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if (item->data().contains(filterRegExp())) {
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return true;
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}
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// check if a parent matches regex
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if (first) {
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// only need to check parents on first level of recursion
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parent = item->parent();
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while (parent->type() != DirViewItem::Type_Root) {
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if (parent->data().contains(filterRegExp())) {
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return true;
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}
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parent = parent->parent();
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}
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}
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// check if child matches regex
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for (int i = 0; i < item->childCount(); i++) {
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child = item->child(i);
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if (filterAcceptsDirViewItem(child, false)) {
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return true;
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}
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}
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return false;
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}
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bool DirViewProxyModel::filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const
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{
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if (filterRegExp().isEmpty()) {
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return true;
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}
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if (!isChildOfRoot(sourceParent)) {
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return true;
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}
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const QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent);
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DirViewItem *item = static_cast<DirViewItem *>(index.internalPointer());
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return filterAcceptsDirViewItem(item, true);
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}
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bool DirViewProxyModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
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{
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const DirViewItem * const leftItem = static_cast<DirViewItem *>(left.internalPointer());
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const DirViewItem * const rightItem = static_cast<DirViewItem *>(right.internalPointer());
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if (leftItem->type() == DirViewItem::Type_Dir &&
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rightItem->type() == DirViewItem::Type_File)
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return true;
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if (leftItem->type() == DirViewItem::Type_File &&
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rightItem->type() == DirViewItem::Type_Dir)
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return false;
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return QSortFilterProxyModel::lessThan(left, right);
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}
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