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96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
/*
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This file is part of Massif Visualizer
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Copyright 2010 Milian Wolff <mail@milianw.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) version 3, or any
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later version accepted by the membership of KDE e.V. (or its
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successor approved by the membership of KDE e.V.), which shall
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act as a proxy defined in Section 6 of version 3 of the license.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MASSIF_DATATREEMODEL_H
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#define MASSIF_DATATREEMODEL_H
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#include <QtCore/QAbstractItemModel>
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#include "modelitem.h"
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#include "visualizer_export.h"
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namespace Massif {
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class FileData;
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class TreeLeafItem;
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class SnapshotItem;
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/**
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* A model that gives a tree representation of the full Massif data. Useful for e.g. ListViews.
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*/
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class VISUALIZER_EXPORT DataTreeModel : public QAbstractItemModel
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{
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public:
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DataTreeModel(QObject* parent = 0);
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virtual ~DataTreeModel();
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/**
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* That the source data for this model.
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*/
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void setSource(const FileData* data);
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/**
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* @return Item for given index. At maximum one of the pointers in the pair will be valid.
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*/
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ModelItem itemForIndex(const QModelIndex& idx) const;
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/**
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* @return Index for given item. At maximum one of the pointers should be valid in the input pair.
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*/
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QModelIndex indexForItem(const ModelItem& item) const;
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/**
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* @return Index for given snapshot, or invalid if it's not a detailed snapshot.
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*/
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QModelIndex indexForSnapshot(const SnapshotItem* snapshot) const;
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/**
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* @return Index for given TreeLeafItem, or invalid if it's not covered by this model.
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*/
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QModelIndex indexForTreeLeaf(const TreeLeafItem* node) const;
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enum CustomRoles {
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RawLabelRole = Qt::UserRole + 1,
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TreeItemRole,
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ModelItemRole,
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};
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virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
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virtual int rowCount(const QModelIndex& parent = QModelIndex()) const;
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virtual int columnCount(const QModelIndex& parent = QModelIndex()) const;
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virtual QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const;
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virtual QModelIndex parent(const QModelIndex& child) const;
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virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
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const SnapshotItem* snapshotForTreeLeaf(const TreeLeafItem* node) const;
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private:
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const FileData* m_data;
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void mapNodeToRow(const TreeLeafItem* node, const int row);
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QHash<const TreeLeafItem*, int> m_nodeToRow;
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QHash<const TreeLeafItem*, const SnapshotItem*> m_heapRootToSnapshot;
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};
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}
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#endif // MASSIF_DATATREEMODEL_H
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