cppincludehierarchymodel.h

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** Copyright (C) 2013 Przemyslaw Gorszkowski <pgorszkowski@gmail.com>
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** This file is part of Qt Creator.
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#ifndef CPPINCLUDEHIERARCHYMODEL_H
#define CPPINCLUDEHIERARCHYMODEL_H

#include <QAbstractItemModel>

namespace {

enum ItemRole {
    AnnotationRole = Qt::UserRole + 1,
    LinkRole
};

} // Anonymous

namespace CppEditor {
namespace Internal {

class CppIncludeHierarchyItem;

class CppIncludeHierarchyModel : public QAbstractItemModel
{
    Q_OBJECT
public:
    explicit CppIncludeHierarchyModel(QObject *parent);
    ~CppIncludeHierarchyModel();

    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
    QModelIndex parent(const QModelIndex &index) const;
    int rowCount(const QModelIndex &parent = QModelIndex()) const;
    int columnCount(const QModelIndex &parent = QModelIndex()) const;
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    void fetchMore(const QModelIndex &parent);
    bool canFetchMore(const QModelIndex &parent) const;
    bool hasChildren(const QModelIndex &parent) const;

    void clear();
    void buildHierarchy(const QString &filePath);
    bool isEmpty() const;

private:
    void buildHierarchyIncludes(const QString &currentFilePath);
    void buildHierarchyIncludes_helper(const QString &filePath, CppIncludeHierarchyItem *parent,
                                       QSet<QString> *cyclic, bool recursive = true);
    void buildHierarchyIncludedBy(const QString &currentFilePath);
    void buildHierarchyIncludedBy_helper(const QString &filePath, CppIncludeHierarchyItem *parent,
                                         QSet<QString> *cyclic, bool recursive = true);

    CppIncludeHierarchyItem *m_rootItem;
    CppIncludeHierarchyItem *m_includesItem;
    CppIncludeHierarchyItem *m_includedByItem;
};

} // namespace Internal
} // namespace CppEditor

#endif // CPPINCLUDEHIERARCHYMODEL_H