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/*
This program 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
2 of the License, or (at your option) any later version.
*/
#ifndef MAPPINGTREEMODEL_H
#define MAPPINGTREEMODEL_H
#include <QSqlDatabase>
#include <QSqlError>
#include <QMetaType>
#include "smtreemodel.h"
class QSqlQuery;
class SmTreeItem;
class MappingData;
class SmTreeItem;
class MappingTreeModel : public SmTreeModel {
Q_OBJECT
public:
enum Roles { NameRole = Qt::UserRole + 1, MappingIdRole = Qt::UserRole + 2, DescAddedRole = Qt::UserRole + 3, DescIdRole = Qt::UserRole + 4, MappingParentIdRole = Qt::UserRole + 5 };
enum Fields { Name = 0, MappingId = 1, DescAdded = 2, DescId = 3, MappingParentId = 4 };
enum { NumFields = 5 };
MappingTreeModel(QStringList &headers, QObject *parent = 0);
//model type convenience functions
QStringList mappingTypeNames() const;
int mappingTypeIdFromName(const QVariant &name) const;
//data
QVariant data(const QModelIndex &index, int role) const;
QList<QVariant> childList(const QVariant &value, int column = 0) const;
QModelIndex indexFromParentPath(const QList<int> &pPath, bool reverse) const;
bool setData(const QModelIndex &idx, const QVariant &value, int role);
bool addMappingType(const QString &type);
bool deleteMappingType(int typeId);
bool addChild(const QVariant &name, const QModelIndex &parent);
bool renameChild(const QModelIndex &idx, const QString newName);
bool deleteChild(const QModelIndex &idx);
MappingData mappingDataFromIndex(QModelIndex &idx) const;
MappingData mappingDataFromItem(SmTreeItem *item) const;
const QSqlError &lastError() const { return mLastError; }
public slots:
void populate();
void setType(int type);
signals:
void mappingTypesChanged();
void needExpansion();
private:
struct mappingType {
QVariant id;
QVariant name;
};
void getMappings();
int addDescription(const QString &name, int type);
void getMappingTypes();
void getChildrenRecursive(SmTreeItem *item);
bool updateChild(SmTreeItem *item, const QVariant &value);
QList<QVariant> getChildListRecursive(SmTreeItem *item, int column) const;
QString basePath(SmTreeItem *item) const;
int lowerBound(SmTreeItem *item, const QVariant &value, int column = 0) const;
QSqlDatabase mDb;
QString mSParentsQ;
QList<mappingType> mMappingTypes;
QMap<QString, int> mMappings;
const QString mForbidden;
int mType;
QSqlError mLastError;
};
class MappingTreeResultModel : public SmTreeModel {
Q_OBJECT
public:
enum Roles { NameRole = Qt::UserRole + 1, MappingIdRole = Qt::UserRole + 2, ParentIdRole = Qt::UserRole + 3, DescIdRole = Qt::UserRole + 4 };
enum Fields { Name = 0, MappingId = 1, ParentId = 2, DescId = 3 };
enum { NumFields = 4 };
explicit MappingTreeResultModel(const QStringList &headers, QObject *parent = 0);
//data + flags
Qt::ItemFlags flags(const QModelIndex &index) const;
virtual QVariant data(const QModelIndex &index, int role) const;
virtual bool setData(const QModelIndex &index, const QVariant &value, int role);
QList<QVariant> getMappings(SmTreeItem *start) const;
QList<QVariant> columnValues(int column) const;
const QList<MappingData> mappingData() const { return mCurrentData; }
void clearData();
public slots:
void addItem(const MappingData &data);
void removeItem(const QModelIndex &idx);
private:
int hasChild(SmTreeItem *item, const QVariant &name, int column = 0) const;
MappingTreeModel *mSourceModel;
QList<QVariant> columnValuesRecursive(SmTreeItem *parent, int column) const;
QList<MappingData> mCurrentData;
};
Q_DECLARE_METATYPE(MappingData)
struct MappingData {
MappingData();
bool operator==(const MappingData &other);
//QDataStream &operator<<(QDataStream &out, const MappingData &d);
bool isValid();
int mappingId;
int descId;
QString name;
QList<int> parents;
QStringList path;
};
QDataStream &operator<<(QDataStream &out, const MappingData &d);
QDataStream &operator>>(QDataStream &in, MappingData &v);
#endif // MAPPINGTREEMODEL_H
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