SensorChannelModel Class Reference

Container model of sensor channels. More...

#include <projecteditor.h>

Inheritance diagram for SensorChannelModel:

Collaboration diagram for SensorChannelModel:

List of all members.

Public Types
enum	Field { FieldSensorId = Qt::UserRole, FieldSensorChannelNr, FieldSensorCustomName }
Public Member Functions
	SensorChannelModel (QObject *parent=0)
QVariant	data (const QModelIndex &index, int role) const
void	setConstraint (const int &sens_id)
int	constraint ()
void	unconstrain ()

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Detailed Description

Container model of sensor channels.

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Member Enumeration Documentation

enum SensorChannelModel::Field

Enumerator:

FieldSensorId
FieldSensorChannelNr
FieldSensorCustomName

               {
        FieldSensorId = Qt::UserRole,
        FieldSensorChannelNr,
        FieldSensorCustomName
    };

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Constructor & Destructor Documentation

SensorChannelModel::SensorChannelModel

(

QObject *

parent = 0

)

[inline]

                                            : SqlQueryModel(parent), sens_id(0){
        setDependency("tbl_sensor_channel_calibrations");
        setDependency("tbl_sensor_channels");

        defaultQuery = QString("SELECT '#' || sens_chan_nr || ': ' || sens_chan_name || COALESCE(' [' || (SELECT count(*)  || ' calibrations: last @ ' || max(sens_chan_cali_timestamp) || ']' FROM tbl_sensor_channel_calibrations scc WHERE scc.sens_id = c.sens_id AND scc.sens_chan_nr = c.sens_chan_nr)::text, ' [Never calibrated]'), "
                               "sens_id, sens_chan_nr, "
                               "sens_type || ' (' || sens_serialnr || ')' "
                               "FROM tbl_sensor_channels c "
                               "INNER JOIN tbl_sensors s USING (sens_id) ");
        unconstrain();
    }

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Member Function Documentation

int SensorChannelModel::constraint

(

)

[inline]

                    {
        return sens_id;
    }

QVariant SensorChannelModel::data	(	const QModelIndex &	index,
		int	role
	)			const [inline]

                                                            {
        if (!index.isValid())
            return QVariant();

        switch (role) {
        case SensorChannelModel::FieldSensorId:
            return QSqlQueryModel::data(this->index(index.row(), 1));
        case SensorChannelModel::FieldSensorChannelNr:
            return QSqlQueryModel::data(this->index(index.row(), 2));
        case SensorChannelModel::FieldSensorCustomName:
            return QSqlQueryModel::data(this->index(index.row(), 3));
        default:
            return QSqlQueryModel::data(index, role);
        }
    }

void SensorChannelModel::setConstraint

(

const int &

sens_id

)

[inline]

                                          {
        this->sens_id = sens_id;
        setQuery(Database::execStatic(defaultQuery + QString(" WHERE sens_id = ") + QString::number(sens_id) + " ORDER BY sens_id, sens_chan_nr "));

        // This should check whether constraint is successfull;
        if (query().lastError().isValid()) {
            unconstrain();
            return;
        }

        constrained = true;
    }

void SensorChannelModel::unconstrain

(

)

[inline]

Referenced by SensorChannelModel(), and setConstraint().

                      {
        setQuery(Database::execStatic(defaultQuery + " ORDER BY sens_id, sens_chan_nr "));
        constrained = false;
        sens_id = 0;
    }

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The documentation for this class was generated from the following file:

• projecteditor.h