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/* ============================================================
*
* 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) 2008-2009 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
// Local Includes
#include "history.h"
// KDE Includes
#include <KUrl>
// Qt Includes
#include <QDateTime>
#include <QHash>
#include <QObject>
#include <QTimer>
#include <QSortFilterProxyModel>
#include <QWebHistoryInterface>
class 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_history;
};
// ----------------------------------------------------------------------------------------------------
/**
* 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 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);
}
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;
};
// ----------------------------------------------------------------------------------------------------------------------
/**
* The history menu
* - Removes the first twenty entries and puts them as children of the top level.
* - If there are less then twenty entries then the first folder is also removed.
*
* The mapping is done by knowing that HistoryTreeModel is over a table
* We store that row offset in our index's private data.
*
*/
class HistoryMenuModel : public QAbstractProxyModel
{
Q_OBJECT
public:
explicit HistoryMenuModel(HistoryTreeModel *sourceModel, QObject *parent = 0);
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, int, const QModelIndex &parent = QModelIndex()) const;
QModelIndex parent(const QModelIndex &index = QModelIndex()) const;
int bumpedRows() const;
private:
HistoryTreeModel *m_treeModel;
};
// ----------------------------------------------------------------------------------------
/**
* Proxy model for the history model that
* exposes each url http://www.foo.com and
* it url starting at the host www.foo.com
*
*/
class HistoryCompletionModel : public QAbstractProxyModel
{
Q_OBJECT
public:
HistoryCompletionModel(QObject *parent = 0);
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
int rowCount(const QModelIndex &parent = QModelIndex()) const;
int columnCount(const QModelIndex &parent = QModelIndex()) const;
QModelIndex mapFromSource(const QModelIndex &sourceIndex) const;
QModelIndex mapToSource(const QModelIndex &proxyIndex) const;
QModelIndex index(int, int, const QModelIndex& = QModelIndex()) const;
QModelIndex parent(const QModelIndex& index = QModelIndex()) const;
void setSourceModel(QAbstractItemModel *sourceModel);
private slots:
void sourceReset();
};
// ---------------------------------------------------------------------------------------
/**
* 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
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