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Diffstat (limited to 'src/assistant/tools/assistant/bookmarkfiltermodel.h')
-rw-r--r-- | src/assistant/tools/assistant/bookmarkfiltermodel.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/assistant/tools/assistant/bookmarkfiltermodel.h b/src/assistant/tools/assistant/bookmarkfiltermodel.h new file mode 100644 index 000000000..65ed12f20 --- /dev/null +++ b/src/assistant/tools/assistant/bookmarkfiltermodel.h @@ -0,0 +1,118 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Assistant 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 BOOKMARKFILTERMODEL_H +#define BOOKMARKFILTERMODEL_H + +#include <QtCore/QPersistentModelIndex> + +#include <QtGui/QAbstractProxyModel> +#include <QtGui/QSortFilterProxyModel> + +QT_BEGIN_NAMESPACE + +class BookmarkItem; +class BookmarkModel; + +typedef QList<QPersistentModelIndex> PersistentModelIndexCache; + +class BookmarkFilterModel : public QAbstractProxyModel +{ + Q_OBJECT +public: + explicit BookmarkFilterModel(QObject *parent = 0); + + void setSourceModel(QAbstractItemModel *sourceModel); + + int rowCount(const QModelIndex &index) const; + int columnCount(const QModelIndex &index) const; + + QModelIndex mapToSource(const QModelIndex &proxyIndex) const; + QModelIndex mapFromSource(const QModelIndex &sourceIndex) const; + + QModelIndex parent(const QModelIndex &child) const; + QModelIndex index(int row, int column, const QModelIndex &parent) const; + + Qt::DropActions supportedDropActions () const; + Qt::ItemFlags flags(const QModelIndex &index) const; + + QVariant data(const QModelIndex &index, int role) const; + bool setData(const QModelIndex &index, const QVariant &value, int role); + + void filterBookmarks(); + void filterBookmarkFolders(); + +private slots: + void changed(const QModelIndex &topLeft, const QModelIndex &bottomRight); + void rowsInserted(const QModelIndex &parent, int start, int end); + void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end); + void rowsRemoved(const QModelIndex &parent, int start, int end); + void layoutAboutToBeChanged(); + void layoutChanged(); + void modelAboutToBeReset(); + void modelReset(); + +private: + void setupCache(const QModelIndex &parent); + void collectItems(const QModelIndex &parent); + +private: + bool hideBookmarks; + BookmarkModel *sourceModel; + PersistentModelIndexCache cache; + QPersistentModelIndex indexToRemove; +}; + +// -- BookmarkTreeModel + +class BookmarkTreeModel : public QSortFilterProxyModel +{ + Q_OBJECT +public: + BookmarkTreeModel(QObject *parent = 0); + int columnCount(const QModelIndex &parent = QModelIndex()) const; + +protected: + bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const; +}; + +QT_END_NAMESPACE + +#endif // BOOKMARKFILTERMODEL_H |