/******************************************************************************** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the demonstration applications of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL$** No Commercial Usage** This file contains pre-release code and may not be distributed.** You may use this file in accordance with the terms and conditions** contained in the Technology Preview License Agreement accompanying** this package.**** GNU Lesser General Public License Usage** Alternatively, this file may be used under the terms of the GNU Lesser** General Public License version 2.1 as published by the Free Software** Foundation and appearing in the file LICENSE.LGPL included in the** packaging of this file. Please review the following information to** ensure the GNU Lesser General Public License version 2.1 requirements** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.**** In addition, as a special exception, Nokia gives you certain additional** rights. These rights are described in the Nokia Qt LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#ifndef BOOKMARKS_H#define BOOKMARKS_H#include <QtCore/QObject>#include <QtCore/QAbstractItemModel>#include <QtGui/QUndoCommand>/*! Bookmark manager, owner of the bookmarks, loads, saves and basic tasks */class AutoSaver;class BookmarkNode;class BookmarksModel;class BookmarksManager : public QObject{ Q_OBJECTsignals: void entryAdded(BookmarkNode *item); void entryRemoved(BookmarkNode *parent, int row, BookmarkNode *item); void entryChanged(BookmarkNode *item);public: BookmarksManager(QObject *parent = 0); ~BookmarksManager(); void addBookmark(BookmarkNode *parent, BookmarkNode *node, int row = -1); void removeBookmark(BookmarkNode *node); void setTitle(BookmarkNode *node, const QString &newTitle); void setUrl(BookmarkNode *node, const QString &newUrl); void changeExpanded(); BookmarkNode *bookmarks(); BookmarkNode *menu(); BookmarkNode *toolbar(); BookmarksModel *bookmarksModel(); QUndoStack *undoRedoStack() { return &m_commands; };public slots: void importBookmarks(); void exportBookmarks();private slots: void save() const;private: void load(); bool m_loaded; AutoSaver *m_saveTimer; BookmarkNode *m_bookmarkRootNode; BookmarksModel *m_bookmarkModel; QUndoStack m_commands; friend class RemoveBookmarksCommand; friend class ChangeBookmarkCommand;};class RemoveBookmarksCommand : public QUndoCommand{public: RemoveBookmarksCommand(BookmarksManager *m_bookmarkManagaer, BookmarkNode *parent, int row); ~RemoveBookmarksCommand(); void undo(); void redo();protected: int m_row; BookmarksManager *m_bookmarkManagaer; BookmarkNode *m_node; BookmarkNode *m_parent; bool m_done;};class InsertBookmarksCommand : public RemoveBookmarksCommand{public: InsertBookmarksCommand(BookmarksManager *m_bookmarkManagaer, BookmarkNode *parent, BookmarkNode *node, int row); void undo() { RemoveBookmarksCommand::redo(); } void redo() { RemoveBookmarksCommand::undo(); }};class ChangeBookmarkCommand : public QUndoCommand{public: ChangeBookmarkCommand(BookmarksManager *m_bookmarkManagaer, BookmarkNode *node, const QString &newValue, bool title); void undo(); void redo();private: BookmarksManager *m_bookmarkManagaer; bool m_title; QString m_oldValue; QString m_newValue; BookmarkNode *m_node;};/*! BookmarksModel is a QAbstractItemModel wrapper around the BookmarkManager */#include <QtGui/QIcon>class BookmarksModel : public QAbstractItemModel{ Q_OBJECTpublic slots: void entryAdded(BookmarkNode *item); void entryRemoved(BookmarkNode *parent, int row, BookmarkNode *item); void entryChanged(BookmarkNode *item);public: enum Roles { TypeRole = Qt::UserRole + 1, UrlRole = Qt::UserRole + 2, UrlStringRole = Qt::UserRole + 3, SeparatorRole = Qt::UserRole + 4 }; BookmarksModel(BookmarksManager *bookmarkManager, QObject *parent = 0); inline BookmarksManager *bookmarksManager() const { return m_bookmarksManager; } 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; QModelIndex index(int, int, const QModelIndex& = QModelIndex()) const; QModelIndex parent(const QModelIndex& index= QModelIndex()) const; Qt::ItemFlags flags(const QModelIndex &index) const; Qt::DropActions supportedDropActions () const; bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex()); bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole); QMimeData *mimeData(const QModelIndexList &indexes) const; QStringList mimeTypes() const; bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent); bool hasChildren(const QModelIndex &parent = QModelIndex()) const; BookmarkNode *node(const QModelIndex &index) const; QModelIndex index(BookmarkNode *node) const;private: bool m_endMacro; BookmarksManager *m_bookmarksManager;};// Menu that is dynamically populated from the bookmarks#include "modelmenu.h"class BookmarksMenu : public ModelMenu{ Q_OBJECTsignals: void openUrl(const QUrl &url);public: BookmarksMenu(QWidget *parent = 0); void setInitialActions(QList<QAction*> actions);protected: bool prePopulated();private slots: void activated(const QModelIndex &index);private: BookmarksManager *m_bookmarksManager; QList<QAction*> m_initialActions;};/* Proxy model that filters out the bookmarks so only the folders are left behind. Used in the add bookmark dialog combobox. */#include <QtGui/QSortFilterProxyModel>class AddBookmarkProxyModel : public QSortFilterProxyModel{ Q_OBJECTpublic: AddBookmarkProxyModel(QObject * parent = 0); int columnCount(const QModelIndex & parent = QModelIndex()) const;protected: bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const;};/*! Add bookmark dialog */#include "ui_addbookmarkdialog.h"class AddBookmarkDialog : public QDialog, public Ui_AddBookmarkDialog{ Q_OBJECTpublic: AddBookmarkDialog(const QString &url, const QString &title, QWidget *parent = 0, BookmarksManager *bookmarkManager = 0);private slots: void accept();private: QString m_url; BookmarksManager *m_bookmarksManager; AddBookmarkProxyModel *m_proxyModel;};#include "ui_bookmarks.h"class TreeProxyModel;class BookmarksDialog : public QDialog, public Ui_BookmarksDialog{ Q_OBJECTsignals: void openUrl(const QUrl &url);public: BookmarksDialog(QWidget *parent = 0, BookmarksManager *manager = 0); ~BookmarksDialog();private slots: void customContextMenuRequested(const QPoint &pos); void open(); void newFolder();private: void expandNodes(BookmarkNode *node); bool saveExpandedNodes(const QModelIndex &parent); BookmarksManager *m_bookmarksManager; BookmarksModel *m_bookmarksModel; TreeProxyModel *m_proxyModel;};#include <QtGui/QToolBar>class BookmarksToolBar : public QToolBar{ Q_OBJECTsignals: void openUrl(const QUrl &url);public: BookmarksToolBar(BookmarksModel *model, QWidget *parent = 0); void setRootIndex(const QModelIndex &index); QModelIndex rootIndex() const;protected: void dragEnterEvent(QDragEnterEvent *event); void dropEvent(QDropEvent *event);private slots: void triggered(QAction *action); void activated(const QModelIndex &index); void build();private: BookmarksModel *m_bookmarksModel; QPersistentModelIndex m_root;};#endif // BOOKMARKS_H