FdModelResults.hpp

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// --------------------------------------------------------------------
// Copyright © 2011-2013 Mathieu Schopfer
//
// This file is part of FreeDebks.
//
// FreeDebks is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// FreeDebks is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FreeDebks.  If not, see <http://www.gnu.org/licenses/>.
// --------------------------------------------------------------------

#ifndef FDMODELRESULTS_HPP
#define FDMODELRESULTS_HPP

#include <QAbstractTableModel>
#include <QUndoStack>
#include <QtXml>

#include "dataDefinitions.hpp"


class FdModelResults : public QAbstractTableModel
{
Q_OBJECT

friend class FdResultsSetData;
friend class FdResultsRemove;
friend class FdResultsDragDrop;

private:
    FdSubWindow* mSubwindow;
    QList<FdItemResults_p> mResults;
    void init();

protected:
    QUndoStack* mStack;

public:
    explicit FdModelResults(FdSubWindow* parent);
    FdModelResults(FdSubWindow* parent, QDomElement& results);
    FdModelResults(FdSubWindow* parent, const FdModelResults* model);
    QVariant data(const FdItemResults_p calculation, ResultsColumn column) const;
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    void setData(FdItemResults_p calculation, ResultsColumn column, const QVariant &value);
    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
    Qt::ItemFlags flags(const QModelIndex &index) const;
    Qt::DropActions supportedDropActions() const;
    QStringList mimeTypes() const;
    QMimeData* mimeData(const QModelIndexList &indexes) const;
    bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent);
    bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
    int rowCount(const QModelIndex &parent = QModelIndex()) const;
    int columnCount(const QModelIndex &parent = QModelIndex()) const;

    void insertCalculation(FdItemResults_p calculation, int row);
    void insertCalculations(QList<FdItemResults_p> calculations, int row);
    void removeCalculation(FdItemResults_p calculation);
    void removeCalculations(QList<FdItemResults_p> calculations);
    QAction* redo();
    QAction* undo();

    bool idExists(QString id) const;
    FdItemResults_p item(QString id) const;
    FdItemResults_p item(int row) const;
    QList<FdItemResults_p> items() const;
    QModelIndexList entryByPartialText(QString text) const;
    bool isValid(QString calculation) const;
    double parse(QString calculation) const;
    double parseItem(QString element) const;
    QDomElement toXml(QDomDocument& document) const;

    static QStack<QString> infixToPostfix(QString expr);
    static int opPriority(QString op);

public slots:
    QModelIndex addCalculation(const QModelIndex& selected);
    void removeSelected(const QList<int>& rows);
    void recomputeResults();
};

#endif // FDMODELRESULTS_HPP