MEMBERSHIP_STATUS_COLUMN = 1
SERVER_MEMBERSHIP_STATUS_COLUMN = 2
+# maximum length of a name to display before clipping
+NAME_MAX_LEN = 48
+
user_status = { "in": "Already Selected",
"out": "Not Selected",
"add": "To be Added",
"remove": "To be Removed"}
+color_status = { "in": QColor.fromRgb(0, 250, 250),
+ "add": QColor.fromRgb(0, 250, 0),
+ "remove": QColor.fromRgb(250, 0, 0) }
+
+
+class UserNameDelegate(QStyledItemDelegate):
+ def __init__(self, parent):
+ QStyledItemDelegate.__init__(self, parent)
+
+ def displayText(self, value, locale):
+ data = str(QStyledItemDelegate.displayText(self, value, locale))
+ if (len(data)>NAME_MAX_LEN):
+ data = data[:(NAME_MAX_LEN-3)] + "..."
+ return QString(data)
+
+ def paint(self, painter, option, index):
+ model = index.model()
+ data = str(self.displayText(index.data(), QLocale()))
+ status_index = model.index(index.row(), MEMBERSHIP_STATUS_COLUMN, index.parent())
+ status_data = status_index.data().toString()
+
+ fm = QFontMetrics(option.font)
+ rect = QRect(option.rect)
+
+ rect.setHeight(rect.height() - 2)
+ rect.setWidth(fm.width(QString(data)) + 6)
+ rect.setX(rect.x() + 5)
+ rect.setY(rect.y() - 1)
+
+ textRect = QRect(option.rect)
+ textRect.setWidth(fm.width(QString(data)) + 6)
+ textRect.setX(rect.x())
+
+ x, y, h, w = rect.x(), rect.y(), rect.height(), rect.width()
+
+ path = QPainterPath()
+ path.addRoundedRect(x - 1, y + 1, w, h, 4, 4)
+
+ painter.save()
+ painter.setRenderHint(QPainter.Antialiasing)
+
+ if option.state & QStyle.State_Selected:
+ painter.fillRect(option.rect, option.palette.color(QPalette.Active, QPalette.Highlight))
+
+ color = None
+ for x in user_status.keys():
+ if (user_status[x] == status_data) and (x in color_status):
+ color = color_status[x]
+
+ if color != None:
+ painter.fillPath(path, color)
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(textRect, Qt.AlignVCenter, QString(data))
+
+ painter.restore()
+
class UserView(QTableView):
def __init__(self, parent=None):
QTableView.__init__(self, parent)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.setToolTip("Double click on a row to change its status.")
+ self.setItemDelegateForColumn(0, UserNameDelegate(self))
+
+ def keyPressEvent(self, event):
+ if (event.key() == Qt.Key_Space):
+ self.toggleSelection()
+ else:
+ QTableView.keyPressEvent(self, event)
+
def mouseDoubleClickEvent(self, event):
+ self.toggleSelection()
+
+ def toggleSelection(self):
index = self.currentIndex()
model = index.model()
status_index = model.index(index.row(), MEMBERSHIP_STATUS_COLUMN, index.parent())
model = current.model()
node_index = model.index(current.row(), 0, current.parent())
node_data = node_index.data().toString()
- self.emit(SIGNAL('hostnameClicked(QString)'), node_data)
+ def hideUnusableColumns(self):
+ self.hideColumn(SERVER_MEMBERSHIP_STATUS_COLUMN)
+
+class UserModel(QStandardItemModel):
+ def __init__(self, rows=0, columns=4, parent=None):
+ QStandardItemModel.__init__(self, rows, columns, parent)
+
+ def updateModel(self, sliceRec):
+ self.clear()
+
+ added_persons = []
+ slice_persons = []
+
+ if sliceRec:
+ #for pi in sliceRec.get_field("PI", default=[]):
+ # name = str(pi)
+ # if not name in added_persons:
+ # slice_persons.append({"name": name, "role": "PI", "member": user_status["in"]})
+ # added_persons.append(name)
+
+ for researcher in sliceRec.get_field("researcher", default=[]):
+ name = str(researcher)
+ if not name in added_persons:
+ slice_persons.append({"name": name, "role": "researcher", "member": user_status["in"]})
+ added_persons.append(name)
+
+ i=0
+ while (os.path.exists(config.getAuthorityListFile(i))):
+ rec = self.readUserRecord(i)
+ if rec:
+ type = str(rec.get_type())
+ if (type == "user"):
+ name = str(rec.get_name())
+ if not name in added_persons:
+ slice_persons.append({"name": name, "role": "", "member": user_status["out"]})
+ added_persons.append(name)
+ i=i+1
+
+ rootItem = self.invisibleRootItem()
+
+ for person in slice_persons:
+ rootItem.appendRow([self.readOnlyItem(person["name"]),
+ self.readOnlyItem(person["member"]),
+ self.readOnlyItem(person["member"])])
+
+ headers = QStringList() << "User Name" << "Status" << "ServerStatus"
+ self.setHorizontalHeaderLabels(headers)
+
+ def readOnlyItem(self, x):
+ item = QStandardItem(QString(x))
+ item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
+ return item
+
+ def updateRecord(self, slicerec):
+ change = False
+
+ item = self.invisibleRootItem()
+ children = item.rowCount()
+ for row in range(0, children):
+ childName = str(item.child(row, NAME_COLUMN).data(Qt.DisplayRole).toString())
+ childStatus = str(item.child(row, MEMBERSHIP_STATUS_COLUMN).data(Qt.DisplayRole).toString())
+
+ if (childStatus == user_status['add']):
+ researcher = slicerec.get_field("researcher", [])
+ researcher.append(childName)
+ slicerec["researcher"] = researcher
+ change = True
+ elif (childStatus == user_status['remove']):
+ if childName in slicerec.get_field("PI"):
+ slicerec.get_field("PI").remove(childName)
+ if childName in slicerec.get_field("researcher"):
+ slicerec.get_field("researcher").remove(childName)
+ change = True
+
+ return change
+
+ def getResearchers(self):
+ researchers = []
+ item = self.invisibleRootItem()
+ children = item.rowCount()
+ for row in range(0, children):
+ childName = str(item.child(row, NAME_COLUMN).data(Qt.DisplayRole).toString())
+ childStatus = str(item.child(row, MEMBERSHIP_STATUS_COLUMN).data(Qt.DisplayRole).toString())
+
+ if (childStatus == user_status['add']) or (childStatus == user_status['in']):
+ researchers.append(childName)
+
+ return researchers
+
+ def readUserRecord(self, i):
+ rec_file = config.getAuthorityListFile(i)
+ if os.path.exists(rec_file):
+ xml = open(rec_file).read()
+ rec = UserRecord()
+ rec.load_from_string(xml)
+ return rec
+ return None
class UsersWidget(QWidget):
def __init__(self, parent):
toplayout.addWidget(searchbox, 0, Qt.AlignRight)
self.userView = UserView()
- #self.userView.setSelectionBehavior(QAbstractItemView.SelectRows)
- #self.userView.setSelectionMode(QAbstractItemView.SingleSelection)
refresh = QPushButton("Refresh", self)
refresh.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
self.setLayout(layout)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
- self.userModel = QStandardItemModel(0, 4, self)
+ self.userModel = UserModel(parent=self)
self.connect(refresh, SIGNAL('clicked()'), self.refresh)
self.connect(submit, SIGNAL('clicked()'), self.submit)
self.updateView()
def submitFinished(self):
- self.setStatus("<font color='green'>Slice data submitted.</font>")
- QTimer.singleShot(1000, self.refresh)
+ self.disconnect(self.process, SIGNAL('finished()'), self.submitFinished)
+
+ faultString = self.process.getFaultString()
+ if not faultString:
+ self.setStatus("<font color='green'>Slice user data submitted.</font>")
+ QTimer.singleShot(1000, self.refresh)
+ else:
+ self.setStatus("<font color='red'>Slice user submit failed: %s</font>" % (faultString))
def getSliceRecordFinished(self):
- self.setStatus("<font color='green'>Authority data refreshed.</font>", timeout=5000)
- self.refreshAuthority()
+ self.disconnect(self.process, SIGNAL('finished()'), self.getSliceRecordFinished)
+
+ faultString = self.process.getFaultString()
+ if not faultString:
+ self.setStatus("<font color='green'>Slice record refreshed.</font>")
+ self.refreshAuthority()
+ else:
+ self.setStatus("<font color='red'>Slice rec refresh error: %s</font>" % (faultString))
def getAuthorityRecordFinished(self):
- self.setStatus("<font color='green'>Slice data refreshed.</font>", timeout=5000)
- self.updateView()
- #self.parent().signalAll("usersUpdated")
+ self.disconnect(self.process, SIGNAL('finished()'), self.getAuthorityRecordFinished)
+
+ faultString = self.process.getFaultString()
+ if not faultString:
+ self.setStatus("<font color='green'>User data refreshed.</font>")
+ self.updateView()
+ #self.parent().signalAll("usersUpdated")
+ else:
+ self.setStatus("<font color='red'>Authority rec refresh error: %s</font>" % (faultString))
def readSliceRecord(self):
rec_file = config.getSliceRecordFile()
return rec
return None
- def readUserRecord(self, i):
- rec_file = config.getAuthorityListFile(i)
- if os.path.exists(rec_file):
- xml = open(rec_file).read()
- rec = UserRecord()
- rec.load_from_string(xml)
- return rec
- return None
-
def setStatus(self, msg, timeout=None):
self.parent().setStatus(msg, timeout)
return
rec = self.readSliceRecord()
- change = self.process_table(rec)
+ change = self.userModel.updateRecord(rec)
if not change:
self.setStatus("<font color=red>No change in slice data. Not submitting!</font>", timeout=3000)
rec_file = config.getSliceRecordFile()
file(rec_file, "w").write(rec.save_to_string())
- self.disconnect(self.process, SIGNAL('finished()'), self.getAuthorityRecordFinished)
self.connect(self.process, SIGNAL('finished()'), self.submitFinished)
self.process.updateRecord(rec_file)
self.setStatus("<font color='red'>There is already a process running. Please wait.</font>")
return
- self.disconnect(self.process, SIGNAL('finished()'), self.submitFinished)
self.connect(self.process, SIGNAL('finished()'), self.getSliceRecordFinished)
self.process.getSliceRecord()
self.setStatus("Refreshing slice record. This will take some time...")
def refreshAuthority(self):
- self.disconnect(self.process, SIGNAL('finished()'), self.getSliceRecordFinished)
self.connect(self.process, SIGNAL('finished()'), self.getAuthorityRecordFinished)
- self.process.listRecords(config.getAuthority(), "user", config.getAuthorityListFile())
+ self.process.listRecords(config.getAuthority(), None, config.getAuthorityListFile())
self.setStatus("Refreshing user records. This will take some time...")
- def addTableItem(self, table, row, col, val, data=None, readonly=True):
- item = QTableWidgetItem(str(val))
- if readonly:
- item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
- if data:
- if not isinstance(data, str):
- data = pickle.dumps(data)
- item.setData(Qt.UserRole, QVariant(data))
- table.setItem(row, col, item)
-
- def updateModel(self):
- self.userModel.clear()
-
+ def updateView(self):
sliceRec = self.readSliceRecord()
- if not sliceRec:
- return None
- added_persons = []
- slice_persons = []
-
- #for pi in sliceRec.get_field("PI", default=[]):
- # name = str(pi)
- # if not name in added_persons:
- # slice_persons.append({"name": name, "role": "PI", "member": user_status["in"]})
- # added_persons.append(name)
-
- for researcher in sliceRec.get_field("researcher", default=[]):
- name = str(researcher)
- if not name in added_persons:
- slice_persons.append({"name": name, "role": "researcher", "member": user_status["in"]})
- added_persons.append(name)
-
- i=1
- while (os.path.exists(config.getAuthorityListFile(i))):
- rec = self.readUserRecord(i)
- if rec:
- name = str(rec.get_name())
- if not name in added_persons:
- slice_persons.append({"name": name, "role": "", "member": user_status["out"]})
- added_persons.append(name)
- i=i+1
-
- rootItem = self.userModel.invisibleRootItem()
-
- for person in slice_persons:
- rootItem.appendRow([QStandardItem(QString(person["name"])),
- #QStandardItem(QString(person["role"])),
- QStandardItem(QString(person["member"])),
- QStandardItem(QString(person["member"]))])
-
- headers = QStringList() << "User Name" << "Status" << "ServerStatus"
- self.userModel.setHorizontalHeaderLabels(headers)
-
- def updateView(self):
- self.updateModel()
+ if not sliceRec:
+ # wait until we've resolved the slicerecord before displaying
+ # anything to the user.
+ self.userModel.clear()
+ else:
+ self.userModel.updateModel(sliceRec)
self.userView.setModel(self.userModel)
self.userView.hideColumn(SERVER_MEMBERSHIP_STATUS_COLUMN)
def updateSliceName(self):
self.slicename.setText("Slice : %s" % (config.getSlice() or "None"))
- def nodeSelectionChanged(self, hostname):
- self.parent().nodeSelectionChanged(hostname)
- def process_table(self, slicerec):
- change = False
-
- item = self.userModel.invisibleRootItem()
- children = item.rowCount()
- for row in range(0, children):
- childName = str(item.child(row, NAME_COLUMN).data(Qt.DisplayRole).toString())
- childStatus = str(item.child(row, MEMBERSHIP_STATUS_COLUMN).data(Qt.DisplayRole).toString())
-
- if (childStatus == user_status['add']):
- slicerec.get_field("researcher").append(childName)
- change = True
- elif (childStatus == user_status['remove']):
- if childName in slicerec.get_field("PI"):
- slicerec.get_field("PI").remove(childName)
- if childName in slicerec.get_field("researcher"):
- slicerec.get_field("researcher").remove(childName)
- change = True
-
- print "XXX", slicerec.get_field("researcher")
- return change
class UserScreen(SfaScreen):