costpositionmodel.h

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#ifndef COSTPOSITIONMODEL_H
#define COSTPOSITIONMODEL_H

#include <QAbstractItemModel>
#include <QDomElement>

class CostPositionItem;

class CostPositionModel : public QAbstractItemModel
{
    Q_OBJECT;

    public:
        CostPositionModel(QObject *parent = 0, bool empty = false);
        ~CostPositionModel();

        void readCategories();

        QVariant data(const QModelIndex &index, int role) const;
        Qt::ItemFlags flags(const QModelIndex &index) const;
        QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) 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;

        CostPositionItem* getRootItem() { return rootItem; }
        CostPositionItem* getCostPositionItem(QString name, QString sectName) const;
        void dataChange() { emit dataChanged(QModelIndex(), QModelIndex()); }

        void addCategory(uint sectionid, QString name, bool editable);
        void addCostPosition(QString desc, QString lang, int actionid, int costtype, QString secName, bool editable);

        bool existsCategory(QString name);
        bool existsPositionInCategory(QString posName, int sectionid);

        bool isCategoryEditable(int sectionId);
        bool isPositionEditable(QString positionName, int sectionId);

        int getSectionId(QString cat);
        int getSectionIdFromPosition(QString position);
        QString getCategoryNameFromSectionId(int id);

        void deletePosition(QString positionname, int sectionId);
        void deleteCategory(int sectionid);

        void editCategory(QString oldCat, QString newCat);
        void editPosition(QMap<QString, QVariant> *changes);

        void addOtherPositions(int sectionId, CostPositionItem *&oldCat);

        QDomElement dataNode();

    public slots:
        void clearPositions();

    private:
        void addPosition(QString desc, QString lang, int actionid, int costtype, int sectionid, bool editable);

        CostPositionItem *rootItem;

    signals:
        void costTypePositionsNotReadable();
        void clearCostPositions(bool clearEntries);
};

class CostPositionItem
{
    public:
        CostPositionItem(const QVariantList &data, CostPositionItem *parent = 0);
        ~CostPositionItem();

        void appendChild(CostPositionItem *child);
        void removeChild(CostPositionItem *child);
        void removeChilds();

        CostPositionItem *child(int row);
        int childCount() const;
        int columnCount() const;
        QVariant data(int column) const;
        QVariantList itemInfo() const;
        QMap<QString, QVariant> itemInformation();
        int row() const;
        CostPositionItem *parent();

        QList<CostPositionItem*> childItems;

    private:
        QVariantList itemData;
        CostPositionItem *parentItem;
};

#endif

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