def __init__(self, conn):
super(BrowserWindow, self).__init__()
self._conn = conn
self._resolver = AsyncResolver()
self._resolver.object_resolved.connect(self._data_resolved)
self._resolver.start()
self._init_models()
self._init_gui()
self._init_data()
self._init_connections()
class BrowserWindow(QMainWindow):
MO_ROLE = Qt.UserRole+1
def __init__(self, conn):
super(BrowserWindow, self).__init__()
self._conn = conn
self._resolver = AsyncResolver()
self._resolver.object_resolved.connect(self._data_resolved)
self._resolver.start()
self._init_models()
self._init_gui()
self._init_data()
self._init_connections()
def __del__(self):
self._resolver.stop_work()
self._resolver.terminate()
def _init_models(self):
self._hierarchy_model = QStandardItemModel()
self._hierarchy_model.setColumnCount(2)
self._hierarchy_model.setHorizontalHeaderLabels(['class', 'dn'])
self._details_model = QStandardItemModel()
self._details_model.setColumnCount(2)
self._details_model.setHorizontalHeaderLabels(['Property', 'Value'])
def _init_gui(self):
self._widget = QSplitter(self, Qt.Horizontal)
self._hierarchy_view = QTreeView(self._widget)
self._details_view = QTableView(self._widget)
self._widget.addWidget(self._hierarchy_view)
self._widget.addWidget(self._details_view)
self._widget.setStretchFactor(0, 2)
self._widget.setStretchFactor(1, 1)
self.setCentralWidget(self._widget)
self._hierarchy_view.setModel(self._hierarchy_model)
self._details_view.setModel(self._details_model)
self._hierarchy_view.expanded.connect(self._mo_item_expand)
def _init_data(self):
item = self._row_for_mo(self._conn.resolve_dn(''))
self._hierarchy_model.insertRow(0, item)
def _init_connections(self):
self.connect(self._resolver,
SIGNAL('object_resolved(QVariant)'),
self,
SLOT('_data_resolved(QVariant)'))
self._hierarchy_view.activated.connect(self._item_activated)
#self.connect(self._hierarchy_view.selectionModel(),
# SIGNAL('currentChanged(QModelIndex,QModelIndex)'),
# self,
# SLOT('_current_changed(QModelIndex, QModelIndex)'))
self.connect(self._hierarchy_view.selectionModel(),
SIGNAL('activated(QModelIndex)'),
self,
SLOT('_item_activated(QModelIndex)'))
def _row_for_mo(self, mo):
row = [QStandardItem(mo.ucs_class), QStandardItem(mo.dn)]
for item in row:
item.setEditable(False)
row[0].appendColumn([QStandardItem('Loading...')])
row[0].setData(mo, self.MO_ROLE)
return row
def _add_mo_in_tree(self, mo, index=QtCore.QModelIndex()):
item = None
if index.isValid():
item = self._hierarchy_model.itemFromIndex(index)
else:
item = self._get_item_for_dn(self._parent_dn(mo.dn))
if item:
item.appendColumn([self._row_for_mo(mo)[0]])
self.auto_width()
def _add_mos_in_tree(self, mos, index=QtCore.QModelIndex()):
item = None
if index.isValid():
item = self._hierarchy_model.itemFromIndex(index)
else:
if not mos:
return
item = self._get_item_for_dn(self._parent_dn(mos[0].dn))
while item.columnCount():
item.removeColumn(0)
items = map(self._row_for_mo, mos)
if items:
for x in xrange(len(items[0])):
item.appendColumn([row[x] for row in items])
self.auto_width()
@staticmethod
def _parent_dn(dn):
parent_dn, _, rn = dn.rpartition('/')
return parent_dn
def _get_item_for_dn(self, dn):
parent_dn = dn
items = self._hierarchy_model.findItems(parent_dn, column=1)
if items:
return self._hierarchy_model.item(items[0].row())
return None
@QtCore.Slot('_data_resolved(QVariant)')
def _data_resolved(self, datav):
print 'Data resolved: ', datav
index, data = datav
if isinstance(data, UcsmObject):
self._add_mo_in_tree(data, index=index)
else:
self._add_mos_in_tree(data, index=index)
@QtCore.Slot('_current_changed(QModelIndex,QModelIndex)')
def _current_changed(self, curr, prev):
self._item_activated(curr)
@QtCore.Slot('_item_activated(QModelIndex)')
def _item_activated(self, index):
print 'Activated: %s data %s' % (index, index.data(self.MO_ROLE))
if index.sibling(0, 0).isValid():
index = index.sibling(0, 0)
data = index.data(self.MO_ROLE)
self.set_detail_object(data)
def _mo_item_expand(self, index):
obj = index.data(self.MO_ROLE)
print 'Expanded object: %s' % obj
try:
self._resolver.add_task(lambda: (index,
self._conn.resolve_children(obj.dn)))
except (KeyError, AttributeError):
QtGui.QMessageBox.critical(0, 'Error', 'Object does not have dn')
def auto_width(self):
for view in [self._hierarchy_view, self._details_view]:
for col in xrange(view.model().columnCount()):
view.resizeColumnToContents(col)
def set_detail_object(self, object):
self._details_model.removeRows(0, self._details_model.rowCount())
for k, v in object.attributes.iteritems():
row = [QStandardItem(k), QStandardItem(v)]
for item in row:
item.setEditable(False)
self._details_model.appendRow(row)
self.auto_width()
