/strigi-0.7.7/strigiclient/lib/searchclient/filterwidget/filtermodel.h

 1/* This file is part of Strigi Desktop Search
 2 *
 3 * Copyright (C) 2006 Jos van den Oever <jos@vandenoever.info>
 4 *
 5 * This library is free software; you can redistribute it and/or
 6 * modify it under the terms of the GNU Library General Public
 7 * License as published by the Free Software Foundation; either
 8 * version 2 of the License, or (at your option) any later version.
 9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB.  If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#ifndef FILTERMODEL_H
22#define FILTERMODEL_H
23
24#include <QAbstractListModel>
25#include <QPair>
26
27class FilterModel : public QAbstractListModel {
28public:
29    explicit FilterModel(QObject* parent) : QAbstractListModel(parent) {}
30    int rowCount(const QModelIndex &parent = QModelIndex()) const {
31        return (parent.isValid())?0:filters.size();
32    }
33    int columnCount(const QModelIndex &parent = QModelIndex()) const {
34        return (parent.isValid())?0:1;
35    }
36    Qt::ItemFlags flags( const QModelIndex& index) const {
37        return QAbstractListModel::flags(index) | Qt::ItemIsEditable;
38    }
39    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const {
40        if (index.row() < 0 || index.row() >= (int)filters.size()) {
41            return QVariant();
42        }
43
44        if (role == Qt::DisplayRole || role == Qt::EditRole) {
45            return filters[index.row()].second;
46        } else if (role == Qt::DecorationRole) {
47            return (filters[index.row()].first)?Qt::green:Qt::red;
48        }
49
50        return QVariant();
51    }
52    QList<QPair<bool,QString> > filters;
53    void include(const QModelIndex &index, bool state);
54    void addFilter(const QModelIndex& index, bool state);
55    void delFilter(const QModelIndex& index);
56    void moveUp(const QModelIndex&);
57    void moveDown(const QModelIndex&);
58
59    bool setData(const QModelIndex& index, const QVariant& value,
60        int role=Qt::EditRole);
61};
62
63#endif