94 lines
2.8 KiB
C++
94 lines
2.8 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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*/
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#pragma once
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#include <cstdint> // uint64_t
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#include <QAbstractItemModel>
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#include <QMap>
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#include <QSet>
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class FileTreeItem;
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class FileTreeModel final : 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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//
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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 is_editable = true);
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~FileTreeModel();
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void setEditable(bool editable);
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void clear();
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void addFile(int index, QString const& filename, bool wanted, int priority, uint64_t size, uint64_t have,
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bool torrent_changed);
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bool openFile(QModelIndex const& index);
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void twiddleWanted(QModelIndexList const& indices);
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void twiddlePriority(QModelIndexList const& indices);
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void setWanted(QModelIndexList const& indices, bool wanted);
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void setPriority(QModelIndexList const& indices, int priority);
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QModelIndex parent(QModelIndex const& child, int column) const;
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// QAbstractItemModel
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QVariant data(QModelIndex const& index, int role = Qt::DisplayRole) const override;
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Qt::ItemFlags flags(QModelIndex const& index) const override;
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QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
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QModelIndex index(int row, int column, QModelIndex const& parent = {}) const override;
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QModelIndex parent(QModelIndex const& child) const override;
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int rowCount(QModelIndex const& parent = {}) const override;
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int columnCount(QModelIndex const& parent = {}) const override;
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bool setData(QModelIndex const& index, QVariant const& value, int role = Qt::EditRole) override;
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signals:
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void priorityChanged(QSet<int> const& file_indices, int);
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void wantedChanged(QSet<int> const& file_indices, bool);
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void pathEdited(QString const& oldpath, QString const& new_name);
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void openRequested(QString const& path);
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private:
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void clearSubtree(QModelIndex const&);
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QModelIndex indexOf(FileTreeItem*, int column) const;
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void emitParentsChanged(QModelIndex const&, int first_column, int last_column,
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QSet<QModelIndex>* visited_parent_indices = nullptr);
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void emitSubtreeChanged(QModelIndex const&, int first_column, int last_column);
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FileTreeItem* findItemForFileIndex(int file_index) const;
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FileTreeItem* itemFromIndex(QModelIndex const&) const;
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QModelIndexList getOrphanIndices(QModelIndexList const& indices) const;
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private:
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QMap<int, FileTreeItem*> index_cache_;
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FileTreeItem* root_item_ = {};
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bool is_editable_ = {};
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};
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