def updateTree(self):
"""Updates the elements shown in the tree."""
self.clearCacheTree()
filterStr = self.valueFilter.text() or ''
for key in self.client.keys():
if filterStr not in key:
continue
# split the key into parts
parts = key.split('/')
# keys without category need a node too
if len(parts) == 1:
parts = ['<no category>'] + parts
# add a node to the tree for each part of the key except the last
prefix = ''
parent = None
for part in parts[:-1]:
prefix = part if not prefix else prefix + '/' + part
node = self._treeitems.get(prefix)
if not node:
node = QTreeWidgetItem()
node.setText(0, part)
node.setData(0, 32, prefix)
if parent:
parent.addChild(node)
else:
self.treeCache.addTopLevelItem(node)
node.setExpanded(True)
self._treeitems[prefix] = node
parent = node
def _create_device_item(self, devname, add_cat=False, failure=None):
ldevname = devname.lower()
# get all cache keys pertaining to the device
params = self.client.getDeviceParams(devname)
if not params and not failure:
return
lowlevel_device = params.get('lowlevel') or False
if lowlevel_device and not self._show_lowlevel:
return
if 'nicos.core.data.sink.DataSink' in params.get('classes', []) and \
not self._show_lowlevel:
return
# remove still-existing previous item for the same device name
if ldevname in self._devitems:
self.on_client_device(('destroy', [devname]))
cat = self._dev2setup.get(devname)
if cat is None: # device is not in any setup? reread setup info
self._read_setup_info()
cat = self._dev2setup.get(devname)
if cat is None: # still not there -> give up
return
if cat not in self._catitems:
display_order = self._setupinfo[cat].get('display_order', 50)
representative = self._setupinfo[cat].get('extended', {}).get(
'representative', '').lower()
catitem = SetupTreeWidgetItem(cat, display_order, representative)
catitem.setToolTip(0, self._setupinfo[cat].get('description', ''))
f = catitem.font(0)
f.setBold(True)
catitem.setFont(0, f)
catitem.setIcon(0, self.groupIcon)
self._catitems[cat] = catitem
if add_cat:
self.tree.addTopLevelItem(catitem)
catitem.setExpanded(True)
else:
catitem = self._catitems[cat]
# create a tree node for the device
devitem = QTreeWidgetItem(catitem, [devname, '', ''], DEVICE_TYPE)
devitem.setForeground(0, lowlevelBrush[lowlevel_device])
devitem.setFont(0, lowlevelFont[lowlevel_device])
if failure:
short_failure = failure.split('\n')[0]
devitem.setText(2, 'creating device failed: %s' % short_failure)
if self.useicons:
devitem.setIcon(0, self.statusIcon[ERROR])
else:
if self.useicons:
devitem.setIcon(0, self.statusIcon[OK])
devitem.setToolTip(0, params.get('description', ''))
self._devitems[ldevname] = devitem
# fill the device info with dummy values, will be populated below
self._devinfo[ldevname] = DevInfo(devname, failure=failure)
# let the cache handler process all properties
for key, value in params.items():
self.on_client_cache(
(0, ldevname + '/' + key, OP_TELL, cache_dump(value)))
