ostinato/client/portstatsmodel.cpp
2008-05-03 14:37:10 +00:00

120 lines
2.4 KiB
C++

#include "portstatsmodel.h"
#include "portgrouplist.h"
PortStatsModel::PortStatsModel(PortGroupList *p, QObject *parent)
: QAbstractTableModel(parent)
{
pgl = p;
}
int PortStatsModel::rowCount(const QModelIndex &parent) const
{
if (parent.isValid())
return 0;
if (numPorts.isEmpty())
return 0;
if (numPorts.last() == 0)
return 0;
return (int) e_STAT_MAX;
}
int PortStatsModel::columnCount(const QModelIndex &parent ) const
{
if (parent.isValid())
return 0;
else
if (numPorts.isEmpty())
return 0;
else
return numPorts.last();
}
QVariant PortStatsModel::data(const QModelIndex &index, int role) const
{
int pgidx, pidx, portNum;
// Check for a valid index
if (!index.isValid())
return QVariant();
// Check for row/column limits
if (index.row() >= e_STAT_MAX)
return QVariant();
if (numPorts.isEmpty())
return QVariant();
if (index.column() >= (numPorts.last()))
return QVariant();
// TODO(LOW): Optimize using binary search: see qLowerBound()
portNum = index.column() + 1;
for (pgidx = 0; pgidx < numPorts.size(); pgidx++)
if (portNum <= numPorts.at(pgidx))
break;
if (pgidx)
{
if (numPorts.at(pgidx -1))
pidx = (portNum - 1) % numPorts.at(pgidx - 1);
else
pidx = portNum - 1;
}
else
pidx = portNum - 1;
//qDebug("PSM: %d - %d, %d", index.column(), pgidx, pidx);
// Check role
if (role == Qt::DisplayRole)
return pgl->mPortGroups.at(pgidx)->mPorts.at(pidx).mPortStats[index.row()];
else
return QVariant();
}
QVariant PortStatsModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role != Qt::DisplayRole)
return QVariant();
if (orientation == Qt::Horizontal)
return QString("Port %1").arg(section);
else
return PortStatName.at(section);
}
//
// Slots
//
void PortStatsModel::when_portListChanged()
{
int i, count = 0;
// recalc numPorts
while (numPorts.size())
numPorts.removeFirst();
for (i = 0; i < pgl->mPortGroups.size(); i++)
{
count += pgl->mPortGroups.at(i)->numPorts();
numPorts.append(count);
}
reset();
}
void PortStatsModel::on_portStatsUpdate(int port, void*stats)
{
// FIXME(MED): update only the changed port not all
QModelIndex topLeft = index(port, 0, QModelIndex());
QModelIndex bottomRight = index(port, e_STAT_MAX, QModelIndex());
emit dataChanged(topLeft, bottomRight);
}