def loadElements(self, rows):
"""
elemplist - a list of (elem obj, field). *field=None* means separator.
"""
self.beginResetModel()
self.clear()
for i, (elem, fld) in enumerate(rows):
pvsp = elem.pv(field=fld, handle="setpoint")
for j, pv in enumerate(pvsp):
self._pvidx.setdefault(pv, [])
self._pvidx[pv].append((i, C_VAL_SP, j))
pvrb = elem.pv(field=fld, handle="readback")
for j, pv in enumerate(pvrb):
self._pvidx.setdefault(pv, [])
self._pvidx[pv].append((i, C_VAL_RB, j))
# one data record, pvs are all list
rec = [elem, fld, [None] * len(pvsp), [None] * len(pvrb)]
for j, s in enumerate(self._unitsys):
rec.append([None] * len(pvrb))
self._data.append(tuple(rec))
self._pvlst.append(pvsp + pvrb)
self._block = [0]
k = 0
for i in range(1, len(rows)):
elem, fld = rows[i]
if elem != rows[i - 1][0]:
k += 1
self._block.append(k)
self._cadata = CaDataMonitor(wait=0.0)
for pv in self._pvidx.keys():
#self._cadata.addHook(pv, self._ca_update)
self._cadata.addHook(pv, self._ca_update)
self._cadata.addPv(self._pvidx.keys())
self.endResetModel()
self._cadata.start()
