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/***************************************************************************
* Copyright (C) 2012 by Peter Penz <[email protected]> *
* *
* 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) any later version. *
* *
* 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef PLACESITEMMODEL_H
#define PLACESITEMMODEL_H
#include <config-nepomuk.h>
#include <kitemviews/kstandarditemmodel.h>
#include <KUrl>
#include <QHash>
#include <QList>
#include <QSet>
#include <Solid/Predicate>
#include <Solid/StorageAccess>
class KBookmarkManager;
class PlacesItem;
class QAction;
class QTimer;
// #define PLACESITEMMODEL_DEBUG
/**
* @brief Model for maintaining the bookmarks of the places panel.
*
* It is compatible to the KFilePlacesModel from kdelibs but adds
* the ability to have groups for places.
*/
class PlacesItemModel: public KStandardItemModel
{
Q_OBJECT
public:
explicit PlacesItemModel(QObject* parent = 0);
virtual ~PlacesItemModel();
PlacesItem* placesItem(int index) const;
void setHiddenItemsShown(bool show);
bool hiddenItemsShown() const;
int hiddenCount() const;
/**
* Search the item which is equal to the URL or at least
* is a parent URL. If there are more than one possible
* candidates, return the item which covers the biggest
* range of the URL. -1 is returned if no closest item
* could be found.
*/
int closestItem(const KUrl& url) const;
/**
* @return Name of the group where the item with the URL
* \a URL belongs to.
*/
QString groupName(const KUrl& url) const;
QAction* ejectAction(int index) const;
QAction* teardownAction(int index) const;
void requestEject(int index);
void requestTeardown(int index);
signals:
void errorMessage(const QString& message);
protected:
virtual void onItemInserted(int index);
virtual void onItemRemoved(int index);
virtual void onItemChanged(int index, const QSet<QByteArray>& changedRoles);
private slots:
void slotDeviceAdded(const QString& udi);
void slotDeviceRemoved(const QString& udi);
void slotStorageTeardownDone(Solid::ErrorType error, const QVariant& errorData);
void removeHiddenItem();
void saveBookmarks();
private:
void loadBookmarks();
/**
* Helper method for loadBookmarks(): Adds the items
* to the model if the "isHidden"-property is false,
* otherwise the items get added to m_hiddenItems.
*/
void addItems(const QList<PlacesItem*>& items);
/**
* Creates system bookmarks that are shown per default and can
* only be hidden but not removed. The result will be stored
* in m_systemBookmarks.
*/
void createSystemBookmarks();
void initializeAvailableDevices();
/**
* @param index Item index related to the model.
* @return Corresponding item index related to m_hiddenItems.
*/
int hiddenIndex(int index) const;
static QString placesGroupName();
static QString recentlyAccessedGroupName();
static QString searchForGroupName();
#ifdef PLACESITEMMODEL_DEBUG
void showModelState();
#endif
private:
bool m_nepomukRunning;
bool m_hiddenItemsShown;
QSet<QString> m_availableDevices;
Solid::Predicate m_predicate;
KBookmarkManager* m_bookmarkManager;
struct SystemBookmarkData
{
SystemBookmarkData(const KUrl& url,
const QString& icon,
const QString& text,
const QString& group) :
url(url), icon(icon), text(text), group(group) {}
KUrl url;
QString icon;
QString text;
QString group;
};
QList<SystemBookmarkData> m_systemBookmarks;
QHash<KUrl, int> m_systemBookmarksIndexes;
QList<PlacesItem*> m_hiddenItems;
// Index of the hidden item that should be removed in
// removeHiddenItem(). The removing must be done
// asynchronously as in the scope of onItemChanged()
// removing an item is not allowed.
int m_hiddenItemToRemove;
QTimer* m_saveBookmarksTimer;
};
#endif
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