1/***************************************************************************
2 * Copyright (C) 2005-2014 by the Quassel Project *
3 * devel@quassel-irc.org *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
9 * *
10 * This program 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 *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
20
21#ifndef BUFFERVIEWFILTER_H_
22#define BUFFERVIEWFILTER_H_
23
24#include <QAction>
25#include <QDropEvent>
26#include <QFlags>
27#include <QPointer>
28#include <QSet>
29#include <QSortFilterProxyModel>
30
31#include "types.h"
32#include "bufferviewconfig.h"
33
34/*****************************************
35 * Buffer View Filter
36 *****************************************/
37class BufferViewFilter : public QSortFilterProxyModel
38{
39 Q_OBJECT
40
41public:
42 enum Mode {
43 NoActive = 0x01,
44 NoInactive = 0x02,
45 SomeNets = 0x04,
46 AllNets = 0x08,
47 NoChannels = 0x10,
48 NoQueries = 0x20,
49 NoServers = 0x40,
50 FullCustom = 0x80
51 };
52 Q_DECLARE_FLAGS(Modes, Mode)
53
54 BufferViewFilter(QAbstractItemModel *model, BufferViewConfig *config = 0);
55
56 virtual Qt::ItemFlags flags(const QModelIndex &index) const;
57 virtual bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent);
58
59 QVariant data(const QModelIndex &index, int role) const;
60 QVariant checkedState(const QModelIndex &index) const;
61
62 bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
63 bool setCheckedState(const QModelIndex &index, Qt::CheckState state);
64
65 void setConfig(BufferViewConfig *config);
66 inline BufferViewConfig *config() const { return _config; }
67
68 virtual void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
69
70 QList<QAction *> actions(const QModelIndex &index);
71
72public slots:
73 void checkPreviousCurrentForRemoval(const QModelIndex &current, const QModelIndex &previous);
74 void checkItemForRemoval(const QModelIndex &index) { checkItemsForRemoval(index, index); }
75 void checkItemsForRemoval(const QModelIndex &topLeft, const QModelIndex &bottomRight);
76
77protected:
78 bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const;
79 bool lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const;
80 bool bufferLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const;
81 bool networkLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const;
82 virtual void customEvent(QEvent *event);
83
84signals:
85 void _dataChanged(const QModelIndex &source_topLeft, const QModelIndex &source_bottomRight);
86 void configChanged();
87
88private slots:
89 void configInitialized();
90 void enableEditMode(bool enable);
91 void showServerQueriesChanged();
92
93private:
94 QPointer<BufferViewConfig> _config;
95 Qt::SortOrder _sortOrder;
96
97 bool _showServerQueries;
98 bool _editMode;
99 QAction _enableEditMode;
100 QSet<BufferId> _toAdd;
101 QSet<BufferId> _toTempRemove;
102 QSet<BufferId> _toRemove;
103
104 bool filterAcceptBuffer(const QModelIndex &) const;
105 bool filterAcceptNetwork(const QModelIndex &) const;
106 void addBuffer(const BufferId &bufferId) const;
107 void addBuffers(const QList<BufferId> &bufferIds) const;
108 static bool bufferIdLessThan(const BufferId &, const BufferId &);
109};
110
111
112Q_DECLARE_OPERATORS_FOR_FLAGS(BufferViewFilter::Modes)
113
114#endif // BUFFERVIEWFILTER_H_
115