101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
/*
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* This file Copyright (C) 2009-2015 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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* $Id$
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*/
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#ifndef QTR_FILE_TREE_MODEL_H
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#define QTR_FILE_TREE_MODEL_H
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#include <cstdint>
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#include <QAbstractItemModel>
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#include <QList>
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#include <QMap>
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#include <QSet>
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class FileTreeItem;
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class FileTreeModel: public QAbstractItemModel
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{
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Q_OBJECT
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public:
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enum
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{
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COL_NAME,
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COL_SIZE,
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COL_PROGRESS,
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COL_WANTED,
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COL_PRIORITY,
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NUM_COLUMNS
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};
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enum Role
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{
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SortRole = Qt::UserRole,
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FileIndexRole,
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WantedRole,
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CompleteRole
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};
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public:
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FileTreeModel (QObject * parent = nullptr, bool isEditable = true);
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virtual ~FileTreeModel ();
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void setEditable (bool editable);
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void clear ();
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void addFile (int index, const QString& filename,
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bool wanted, int priority,
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uint64_t size, uint64_t have,
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bool torrentChanged);
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bool openFile (const QModelIndex& index);
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void twiddleWanted (const QModelIndexList& indices);
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void twiddlePriority (const QModelIndexList& indices);
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void setWanted (const QModelIndexList& indices, bool wanted);
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void setPriority (const QModelIndexList& indices, int priority);
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QModelIndex parent (const QModelIndex& child, int column) const;
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// QAbstractItemModel
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virtual QVariant data (const QModelIndex& index, int role = Qt::DisplayRole) const;
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virtual Qt::ItemFlags flags (const QModelIndex& index) const;
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virtual QVariant headerData (int section, Qt::Orientation orientation, int role = Qt::DisplayRole) 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 int rowCount (const QModelIndex& parent = QModelIndex ()) const;
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virtual int columnCount (const QModelIndex& parent = QModelIndex ()) const;
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virtual bool setData (const QModelIndex& index, const QVariant& value, int role = Qt::EditRole);
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signals:
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void priorityChanged (const QSet<int>& fileIndices, int);
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void wantedChanged (const QSet<int>& fileIndices, bool);
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void pathEdited (const QString& oldpath, const QString& newname);
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void openRequested (const QString& path);
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private:
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void clearSubtree (const QModelIndex&);
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QModelIndex indexOf (FileTreeItem *, int column) const;
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void emitParentsChanged (const QModelIndex&, int firstColumn, int lastColumn, QSet<QModelIndex> * visitedParentIndices = nullptr);
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void emitSubtreeChanged (const QModelIndex&, int firstColumn, int lastColumn);
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FileTreeItem * findItemForFileIndex (int fileIndex) const;
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FileTreeItem * itemFromIndex (const QModelIndex&) const;
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QModelIndexList getOrphanIndices (const QModelIndexList& indices) const;
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private:
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bool myIsEditable;
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FileTreeItem * myRootItem;
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QMap<int, FileTreeItem *> myIndexCache;
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};
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#endif // QTR_FILE_TREE_MODEL_H
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