2 from PyQt4.QtCore import Qt, QString, SIGNAL
3 from PyQt4.QtGui import QWidget, QLabel, QTreeView, QStandardItemModel, QVBoxLayout, QSizePolicy
5 from sfa.util.rspecHelper import RSpec
7 from sfadata import SfaData
8 from sfascreen import SfaScreen
11 class SliceWidget(QWidget):
12 def __init__(self, parent=None):
13 QWidget.__init__(self, parent)
15 self.nodeView = QTreeView(self)
16 self.nodeView.setRootIsDecorated(False)
17 self.nodeView.setAlternatingRowColors(True)
18 self.nodeView.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
20 self.nodeModel = QStandardItemModel(0, 2, self)
21 self.nodeModel.setHeaderData(0, Qt.Horizontal, QString("Testbed"))
22 self.nodeModel.setHeaderData(1, Qt.Horizontal, QString("Hostname"))
24 self.nodeView.setModel(self.nodeModel)
26 label = QLabel("<a href='refresh'>Refresh</a>", self)
27 label.setScaledContents(False)
29 layout = QVBoxLayout()
30 layout.addWidget(label)
31 layout.addWidget(self.nodeView)
32 self.setLayout(layout)
33 self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
35 self.connect(label, SIGNAL('linkActivated(QString)'),
39 # TODO: use the methods from sfa-trunk
40 def rspec_get_networks(self, rspec_string):
41 rspec = RSpec (rspec_string)
42 return rspec.rspec.xpath("./network[@name]/@name")
43 def rspec_get_nodes_from_network(self, rspec_string, network):
44 rspec = RSpec (rspec_string)
45 return rspec.rspec.xpath("./network[@name='%s']/site/node/hostname/text()" % network)
47 def refresh(self, link=None):
49 rspec = data.getRSpecFromSM()
51 # xml = open(os.path.expanduser("~/.sfi/ple.inria.heartbeat.rspec")).read()
54 networks = self.rspec_get_networks(rspec)
57 for network in networks:
58 nodes = self.rspec_get_nodes_from_network(rspec, network)
60 self.addNode(network, node)
62 def addNode(self, testbed, hostname):
63 self.nodeModel.insertRow(0)
64 self.nodeModel.setData(self.nodeModel.index(0,0), QString(testbed))
65 self.nodeModel.setData(self.nodeModel.index(0,1), QString(hostname))
69 class SfaMainScreen(SfaScreen):
70 def __init__(self, parent=None):
71 SfaScreen.__init__(self, parent)
73 slice = SliceWidget(self)
74 self.init(slice, "Main Window", "PlanetLab Federation GUI")