add todo note

[sface.git] / sfamainscreen.py

diff --git a/sfamainscreen.py b/sfamainscreen.py
index 3d1f1ef..358da31 100644 (file)
--- a/sfamainscreen.py
+++ b/sfamainscreen.py
@@ -1,5 +1,8 @@
 
-from PyQt4.QtGui import QWidget, QLabel
+from PyQt4.QtCore import Qt, QString, SIGNAL
+from PyQt4.QtGui import QWidget, QLabel, QTreeView, QStandardItemModel, QVBoxLayout, QSizePolicy
+
+from sfa.util.rspecHelper import RSpec
 
 from sfadata import SfaData
 from sfascreen import SfaScreen
@@ -8,11 +11,62 @@ from sfascreen import SfaScreen
 class SliceWidget(QWidget):
     def __init__(self, parent=None):
         QWidget.__init__(self, parent)
-        label = QLabel("slice widget", self)
+
+        self.nodeView = QTreeView(self)
+        self.nodeView.setRootIsDecorated(False)
+        self.nodeView.setAlternatingRowColors(True)
+        self.nodeView.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+
+        self.nodeModel = QStandardItemModel(0, 2, self)
+        self.nodeModel.setHeaderData(0, Qt.Horizontal, QString("Testbed"))
+        self.nodeModel.setHeaderData(1, Qt.Horizontal, QString("Hostname"))
+
+        self.nodeView.setModel(self.nodeModel)
+
+        label = QLabel("<a href='refresh'>Refresh</a>", self)
+        label.setScaledContents(False)
+
+        layout = QVBoxLayout()
+        layout.addWidget(label)
+        layout.addWidget(self.nodeView)
+        self.setLayout(layout)
+        self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+        
+        self.connect(label, SIGNAL('linkActivated(QString)'),
+                     self.refresh)
+
+    
+    # TODO: use the methods from sfa-trunk
+    def rspec_get_networks(self, rspec):
+        return rspec.rspec.xpath("./network[@name]/@name")
+    def rspec_get_nodes_from_network(self, rspec, network):
+        return rspec.rspec.xpath("./network[@name='%s']/site/node/hostname/text()" % network)
+
+    def refresh(self, link=None):
+        data = SfaData()
+#        xml = data.getRSpecFromSM()
+        import os
+        xml = open(os.path.expanduser("~/.sfi/ple.inria.heartbeat.rspec")).read()
+        rspec = RSpec(xml)
+
+        networks = self.rspec_get_networks(rspec)
+        networks.reverse()
+
+        for network in networks:
+            nodes = self.rspec_get_nodes_from_network(rspec, network)
+            for node in nodes:
+                self.addNode(network, node)
+
+    def addNode(self, testbed, hostname):
+        self.nodeModel.insertRow(0)
+        self.nodeModel.setData(self.nodeModel.index(0,0), QString(testbed))
+        self.nodeModel.setData(self.nodeModel.index(0,1), QString(hostname))
+
 
 
 class SfaMainScreen(SfaScreen):
     def __init__(self, parent=None):
         SfaScreen.__init__(self, parent)
+
         slice = SliceWidget(self)
         self.init(slice, "Main Window", "PlanetLab Federation GUI")