summaryrefslogtreecommitdiff
path: root/src/history/historymodels.h
blob: b61e896990bd2c9bf99a36abfc86790f14e7a9a3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2007-2008 Trolltech ASA. All rights reserved
* Copyright (C) 2008 Benjamin C. Meyer <ben@meyerhome.net>
* Copyright (C) 2008-2010 by Andrea Diamantini <adjam7 at gmail dot com>
*
*
* 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; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* 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/>.
*
* ============================================================ */


#ifndef HISTORYMODELS_H
#define HISTORYMODELS_H


// Rekonq Includes
#include "rekonq_defines.h"

// Local Includes
#include "historymanager.h"

// KDE Includes
#include <KUrl>

// Qt Includes
#include <QHash>
#include <QObject>
#include <QSortFilterProxyModel>
#include <QWebHistoryInterface>


class REKONQ_TESTS_EXPORT HistoryModel : public QAbstractTableModel
{
    Q_OBJECT

public slots:
    void historyReset();
    void entryAdded();
    void entryUpdated(int offset);

public:
    enum Roles
    {
        DateRole = Qt::UserRole + 1,
        DateTimeRole = Qt::UserRole + 2,
        UrlRole = Qt::UserRole + 3,
        UrlStringRole = Qt::UserRole + 4
    };

    explicit HistoryModel(HistoryManager *history, QObject *parent = 0);

    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    int columnCount(const QModelIndex &parent = QModelIndex()) const;
    int rowCount(const QModelIndex &parent = QModelIndex()) const;
    bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());

private:
    HistoryManager *m_historyManager;
};


// ----------------------------------------------------------------------------------------------------


/**
 * Proxy model that will remove any duplicate entries.
 * Both m_sourceRow and m_historyHash store their offsets not from
 * the front of the list, but as offsets from the back.
 *
 */
class REKONQ_TESTS_EXPORT HistoryFilterModel : public QAbstractProxyModel
{
    Q_OBJECT

public:
    explicit HistoryFilterModel(QAbstractItemModel *sourceModel, QObject *parent = 0);

    inline bool historyContains(const QString &url) const
    {
        load(); 
        return m_historyHash.contains(url);
    }
    
    inline QList<QString> keys() const
    {
        load();
        return m_historyHash.keys();
    }
    
    int historyLocation(const QString &url) const;

    QModelIndex mapFromSource(const QModelIndex &sourceIndex) const;
    QModelIndex mapToSource(const QModelIndex &proxyIndex) const;
    void setSourceModel(QAbstractItemModel *sourceModel);
    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
    int rowCount(const QModelIndex &parent = QModelIndex()) const;
    int columnCount(const QModelIndex &parent = QModelIndex()) const;
    QModelIndex index(int, int, const QModelIndex& = QModelIndex()) const;
    QModelIndex parent(const QModelIndex& index = QModelIndex()) const;
    bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;

private slots:
    void sourceReset();
    void sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
    void sourceRowsInserted(const QModelIndex &parent, int start, int end);
    void sourceRowsRemoved(const QModelIndex &, int, int);

private:
    void load() const;

    mutable QList<int> m_sourceRow;
    mutable QHash<QString, int> m_historyHash;
    mutable bool m_loaded;
};


// ----------------------------------------------------------------------------------------------------------------------


/**
 * Proxy model for the history model that converts the list
 * into a tree, one top level node per day.
 * 
 * Used in the HistoryDialog.
 *
 */

class HistoryTreeModel : public QAbstractProxyModel
{
    Q_OBJECT

public:
    explicit HistoryTreeModel(QAbstractItemModel *sourceModel, QObject *parent = 0);

    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    int columnCount(const QModelIndex &parent) const;
    int rowCount(const QModelIndex &parent = QModelIndex()) const;
    QModelIndex mapFromSource(const QModelIndex &sourceIndex) const;
    QModelIndex mapToSource(const QModelIndex &proxyIndex) const;
    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
    QModelIndex parent(const QModelIndex &index = QModelIndex()) const;
    bool hasChildren(const QModelIndex &parent = QModelIndex()) const;
    Qt::ItemFlags flags(const QModelIndex &index) const;
    bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;

    void setSourceModel(QAbstractItemModel *sourceModel);

private slots:
    void sourceReset();
    void sourceRowsInserted(const QModelIndex &parent, int start, int end);
    void sourceRowsRemoved(const QModelIndex &parent, int start, int end);

private:
    int sourceDateRow(int row) const;
    mutable QList<int> m_sourceRowCache;

};


// -----------------------------------------------------------------------------------------------------------------


/**
 * A modified QSortFilterProxyModel that always accepts
 * the root nodes in the tree
 * so filtering is only done on the children.
 *
 * Used in the HistoryDialog.
 *
 */

class TreeProxyModel : public QSortFilterProxyModel
{
    Q_OBJECT

public:
    TreeProxyModel(QObject *parent = 0);

protected:
    bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const;
};


#endif // HISTORYMODELS_H