graph_model.h

#ifndef GUI_GRAPH_MODEL_H_
#define GUI_GRAPH_MODEL_H_

#include <QObject>
#include <QList>
#include <QAbstractItemModel>
#include <QDebug>
#include <queue>

#include "grapher.h"
#include "graph_model_item.h"


class GraphModel : public QAbstractItemModel {
    Q_OBJECT

    public:
        GraphModel(QObject* parent = 0);
        virtual ~GraphModel();
        
        QVariant data(const QModelIndex &index, int role) const;

    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 headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;

    // This can be reimplemented to provide flags to the model
        //Qt::ItemFlags flags(const QModelIndex &index, const QModelIndex &parent = QModelIndex());

    std::map<std::string, GraphModelItem*> items;

  protected:
        GraphModelItem* root_item_; 
};

#endif