from sface.sfiprocess import SfiProcess
from sface.screens.sfascreen import SfaScreen
+already_in_nodes = []
+
+node_status = { "in": "Already Selected",
+ "out": "Not Selected",
+ "add": "To be Added",
+ "remove": "To be Removed"}
+
class NodeView(QTreeView):
def __init__(self, parent):
QTreeView.__init__(self, parent)
self.setItemsExpandable(True)
self.setRootIsDecorated(True)
self.setAlternatingRowColors(True)
+# self.setSelectionMode(self.MultiSelection)
self.setAttribute(Qt.WA_MacShowFocusRect, 0)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+ self.setToolTip("Double click on a row to change its status")
-class SelectDelegate(QStyledItemDelegate):
- pass
+ def mouseDoubleClickEvent(self, event):
+ index = self.currentIndex()
+ model = index.model()
+ status_index = model.index(index.row(), 2, index.parent())
+ status_data = status_index.data().toString()
+ hostname_index = model.index(index.row(), 1, index.parent())
+ hostname_data = hostname_index.data().toString()
+
+ if status_data == node_status['in']:
+ model.setData(status_index, QString(node_status['remove']))
+ elif status_data == node_status['out']:
+ model.setData(status_index, QString(node_status['add']))
+ elif status_data in (node_status['add'], node_status['remove']):
+ if hostname_data in already_in_nodes: model.setData(status_index, QString(node_status['in']))
+ else: model.setData(status_index, QString(node_status['out']))
+
+ model.emit(SIGNAL("dataChanged(QModelIndex, QModelIndex)"), hostname_index, hostname_index)
+
+
class NodeNameDelegate(QStyledItemDelegate):
def __init__(self, parent):
- QStyledItemDelegate.__init__(self)
+ QStyledItemDelegate.__init__(self, parent)
def paint(self, painter, option, index):
- data = "%s" % index.data().toString()
model = index.model()
- select_index = model.index(index.row(), 2, index.parent())
- select_data = select_index.data().toString()
-# if select_data == "false":
-# print select_data
-# model.setData(index, QString("*%s" % data), Qt.EditRole)
-# model.setData(select_index, QString("true"), Qt.EditRole)
-
-
- if select_data == "true": # already in the sliver
- fm = QFontMetrics(option.font)
- rect = option.rect
- rect.setWidth(fm.width(QString(data)))
- rect.setHeight(rect.height() - 2)
- rect.setX(rect.x() + 1)
- x, y, h, w = rect.x(), rect.y(), rect.height(), rect.width()
-
- path = QPainterPath()
- path.addRoundedRect(x, y, w, h, 4, 4)
-
- painter.save()
- painter.setRenderHint(QPainter.Antialiasing)
- painter.drawRoundedRect(rect, 4, 4)
+ data = "%s" % index.data().toString()
+ status_index = model.index(index.row(), 2, index.parent())
+ status_data = status_index.data().toString()
+
+ if status_data not in (node_status['in'], node_status['remove'], node_status['add']):
+ # default view
+ QStyledItemDelegate.paint(self, painter, option, index)
+ return
+
+ fm = QFontMetrics(option.font)
+ rect = option.rect
+ rect.setWidth(fm.width(QString(data)) + 8)
+ rect.setHeight(rect.height() - 2)
+ rect.setX(rect.x() + 4)
+ x, y, h, w = rect.x(), rect.y(), rect.height(), rect.width()
+
+ path = QPainterPath()
+ path.addRoundedRect(x, y, w, h, 4, 4)
+
+ painter.save()
+ painter.setRenderHint(QPainter.Antialiasing)
+ painter.drawRoundedRect(rect, 4, 4)
+
+ if status_data == node_status['in']: # already in the slice
painter.fillPath(path, QColor.fromRgb(0, 250, 0))
painter.setPen(QColor.fromRgb(0, 0, 0))
painter.drawText(option.rect, 0, QString(data))
- painter.restore()
- else: # others, fall back to default view
- QStyledItemDelegate.paint(self, painter, option, index)
+
+ elif status_data == node_status['add']: # newly added to the slice
+ painter.fillPath(path, QColor.fromRgb(0, 250, 0))
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
+ painter.drawRect(x + w + 10, y + 3, 10, 10)
+ painter.fillRect(x + w + 10, y + 3, 10, 10, QColor.fromRgb(0, 250, 0))
+
+ elif status_data == node_status['remove']: # removed from the slice
+ painter.fillPath(path, QColor.fromRgb(250, 0, 0))
+ painter.setPen(QColor.fromRgb(0, 0, 0))
+ painter.drawText(option.rect, 0, QString(data))
+ painter.drawRect(x + w + 10, y + 3, 10, 10)
+ painter.fillRect(x + w + 10, y + 3, 10, 10, QColor.fromRgb(250, 0, 0))
+
+ painter.restore()
class TreeItem:
def __init__(self, data, parent=None):
del self.childItems
self.childItems = []
+ def allChildItems(self):
+ all = []
+ for c in self.childItems:
+ all.append(c)
+ if c.childItems:
+ for cc in c.childItems:
+ all.append(cc)
+ return all
+
def appendChild(self, child):
self.childItems.append(child)
self.itemData[column] = value
return True
-
- def row(self):
- if (self.parentItem):
- try:
- return self.parentItem.childItems.index(self)
- except ValueError:
- return 0
- return 0
def parent(self):
return self.parentItem
-
class NodeModel(QAbstractItemModel):
def __init__(self, parent):
QAbstractItemModel.__init__(self, parent)
self.__initRoot()
def __initRoot(self):
- self.rootItem = TreeItem([QString("Testbed"), QString("Hostname"), QString("Selected")])
-
+ self.rootItem = TreeItem([QString("Testbed"), QString("Hostname"), QString("Status")])
def getItem(self, index):
if index.isValid():
item = index.internalPointer()
- if item: return item
+ if isinstance(item, TreeItem):
+ return item
return self.rootItem
def headerData(self, section, orientation, role):
- if orientation == Qt.Horizontal and role == Qt.DisplayRole:
+ if orientation == Qt.Horizontal and role in (Qt.DisplayRole, Qt.EditRole):
return self.rootItem.data(section)
return QVariant()
return QModelIndex()
parentItem = self.getItem(parent)
-
childItem = parentItem.child(row)
if childItem:
return self.createIndex(row, column, childItem)
childItem = self.getItem(index)
parentItem = childItem.parent()
-
if parentItem is self.rootItem:
return QModelIndex()
- return self.createIndex(parentItem.row(), 0, parentItem)
+ return self.createIndex(parentItem.childNumber(), 0, parentItem)
def rowCount(self, parent=QModelIndex()):
parentItem = self.getItem(parent)
def flags(self, index):
if not index.isValid():
return 0
- return Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsEditable
+ return Qt.ItemIsEnabled | Qt.ItemIsSelectable# | Qt.ItemIsEditable
def setData(self, index, value, role):
if role != Qt.EditRole:
def __init__(self, parent):
QWidget.__init__(self, parent)
+ self.network_names = []
+ self.process = None
+
slicename = QLabel ("Slice : %s"%(config.getSlice() or "None"),self)
slicename.setScaledContents(False)
searchlabel = QLabel ("Search: ", self)
self.nodeView = NodeView(self)
self.nodeModel = NodeModel(self)
self.filterModel = QSortFilterProxyModel(self) # enable filtering
- self.filterModel.setSourceModel(self.nodeModel)
- self.nodeView.setModel(self.filterModel)
- self.filterModel.setDynamicSortFilter(True)
- self.nodeView.setModel(self.nodeModel)
self.nodeNameDelegate = NodeNameDelegate(self)
- self.selectDelegate = SelectDelegate(self)
refresh = QPushButton("Update Slice Data", self)
refresh.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
self.updateView()
- def filter(self, filter):
- self.filterModel.setFilterRegExp(QRegExp(filter))
+ def filter(self, filter_string):
+ # for hierarchical models QSortFilterProxyModel applies the
+ # sort recursively. if the parent doesn't match the criteria
+ # we won't be able to match the children. so we need to match
+ # parent (by matching the network_names)
+ networks = ["^%s$" % n for n in self.network_names]
+ filters = networks + [str(filter_string)]
+ self.filterModel.setFilterRegExp(QRegExp('|'.join(filters)))
def submit(self):
- self.parent().setStatus("TODO: Submit not implemented yet!", 3000)
+ xml = self.readSliceRSpec()
+ rspec = RSpec(xml)
+
+ if self.process:
+ self.parent().setStatus("<font color='red'>There is already a process running. Please wait.</font>",
+ timeout=None)
+ return
+
+ no_change = True
+ all_child = self.nodeModel.rootItem.allChildItems()
+ for c in all_child:
+ testbed, hostname, status = c.itemData
+ if isinstance(status, QVariant):
+ status = status.toString()
+
+ if status == node_status['add']:
+ rspec.add_sliver(hostname)
+ no_change = False
+ elif str(status) == node_status['remove']:
+ rspec.remove_sliver(hostname)
+ no_change = False
+
+
+ self.process = SfiProcess()
+ outfile = self.process.applyRSpec(rspec)
+ self.parent().setStatus("Sending slice data (RSpec). This may take some time...", timeout=None)
+ self.connect(self.process, SIGNAL('finished()'), self.submitFinished)
+
+ def submitFinished(self):
+ del self.process
+ self.process = None
+ self.parent().setStatus("<font color='green'>Slice data submitted.</font>", timeout=None)
+ QTimer.singleShot(1000, self.refresh)
+
def readSliceRSpec(self):
rspec_file = config.getSliceRSpecFile()
if os.path.exists(rspec_file):
self.parent().setStatus("<font color='red'>Slice not set yet!</font>", timeout=None)
return
+ if self.process:
+ self.parent().setStatus("<font color='red'>There is already a process running. Please wait.</font>",
+ timeout=None)
+ return
+
self.process = SfiProcess()
outfile = self.process.getRSpecFromSM()
self.parent().setStatus("Updating slice data. This may take some time...", timeout=None)
def refreshFinished(self):
del self.process
+ self.process = None
self.parent().setStatus("<font color='green'>Slice data updated.</font>", timeout=5000)
self.updateView()
def updateView(self):
+ global already_in_nodes
+ already_in_nodes = []
+ self.network_names = []
self.nodeModel.clear()
+
rspec_string = self.readSliceRSpec()
if not rspec_string:
return None
networks = rspec_get_networks(rspec_string)
for network in networks:
+ self.network_names.append(network)
networkItem = TreeItem([QString(network), QString(""), QString("")], self.nodeModel.rootItem)
all_nodes = rspec_get_nodes_from_network(rspec_string, network)
sliver_nodes = rspec_get_sliver_nodes_from_network(rspec_string, network)
available_nodes = filter(lambda x:x not in sliver_nodes, all_nodes)
+ already_in_nodes += sliver_nodes
+
for node in sliver_nodes:
- nodeItem = TreeItem([QString(""), QString("%s" % node), QString("true")], networkItem)
+ nodeItem = TreeItem([QString(""), QString("%s" % node), QString(node_status['in'])], networkItem)
networkItem.appendChild(nodeItem)
for node in available_nodes:
- nodeItem = TreeItem([QString(""), QString(node), QString("false")], networkItem)
+ nodeItem = TreeItem([QString(""), QString(node), QString(node_status['out'])], networkItem)
networkItem.appendChild(nodeItem)
self.nodeModel.rootItem.appendChild(networkItem)
+ self.filterModel.setSourceModel(self.nodeModel)
+ self.filterModel.setFilterKeyColumn(-1)
+ self.filterModel.setDynamicSortFilter(True)
+
+ self.nodeView.setItemDelegateForColumn(1, self.nodeNameDelegate)
+ self.nodeView.setModel(self.filterModel)
self.nodeView.expandAll()
self.nodeView.resizeColumnToContents(1)
- self.nodeView.setItemDelegateForColumn(1, self.nodeNameDelegate)
- self.nodeView.setItemDelegateForColumn(2, self.selectDelegate)
class MainScreen(SfaScreen):