displays if assigned or not, currently assigned first

[sface.git] / sfamainscreen.py

diff --git a/sfamainscreen.py b/sfamainscreen.py
index 5e7bbb8..1ded231 100644 (file)
--- a/sfamainscreen.py
+++ b/sfamainscreen.py
@@ -1,6 +1,8 @@
 
-from PyQt4.QtCore import Qt, QString
-from PyQt4.QtGui import QWidget, QLabel, QTreeView, QStandardItemModel, QVBoxLayout
+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
@@ -13,31 +15,86 @@ class SliceWidget(QWidget):
         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 = QStandardItemModel(0, 3, self)
         self.nodeModel.setHeaderData(0, Qt.Horizontal, QString("Testbed"))
         self.nodeModel.setHeaderData(1, Qt.Horizontal, QString("Hostname"))
+        self.nodeModel.setHeaderData(2, Qt.Horizontal, QString("IsIn"))
 
         self.nodeView.setModel(self.nodeModel)
 
+        label = QLabel("<a href='refresh'>Refresh</a>", self)
+        label.setScaledContents(False)
+        self.connect(label, SIGNAL('linkActivated(QString)'), self.refresh)
+
+        # mmhh.
+        data=SfaData()
+        slicename = QLabel ("Slice : %s"%(data.getSlice() or "None"),self)
+
         layout = QVBoxLayout()
+        layout.addWidget(label)
+        layout.addWidget(slicename)
         layout.addWidget(self.nodeView)
         self.setLayout(layout)
+        self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
         
-        self.refresh()
 
-    def refresh(self):
+    
+    # TODO: use the methods from sfa-trunk
+    def rspec_get_networks(self, rspec_string):
+        rspec = RSpec (rspec_string)
+        return rspec.rspec.xpath("./network[@name]/@name")
+    def rspec_get_xml_nodes_from_network(self, rspec_string, network):
+        rspec = RSpec (rspec_string)
+        return rspec.rspec.xpath("./network[@name='%s']/site/node" % network)
+    def rspec_get_sliver_nodes_from_network(self, rspec_string, network):
+        rspec = RSpec (rspec_string)
+        return rspec.rspec.xpath("./network[@name='%s']/site/node[sliver]/hostname/text()" % network)
+    def rspec_get_other_nodes_from_network(self, rspec_string, network):
+        rspec = RSpec (rspec_string)
+        # xxx todo - could not find the xpath syntax for 'does not have the sliver attribute'
+        return rspec.rspec.xpath("./network[@name='%s']/site/node[~sliver]/hostname/text()" % network)
+
+    def refresh(self, link=None):
         data = SfaData()
-        rspec = data.getRSpecFromSM()
-        nodes = rspec.get_node_list()
-        
-        for n in nodes:
-            print n
+        if not data.getSlice(): 
+            print 'slice not set yet'
+            return
+        if not data.SFACE_DEBUG:
+            rspec_string = data.getRSpecFromSM()
+        else:
+            print 'SFACE_DEBUG : using local file'
+            import os
+            rspec_string = open(os.path.expanduser("~/.sfi/%s.rspec"%data.getSlice())).read()
+
+        networks = self.rspec_get_networks(rspec_string)
+        networks.reverse()
+
+        for network in networks:
+#            nodes = self.rspec_get_sliver_nodes_from_network(rspec_string, network)
+#            for node in nodes: self.addNode(network, node, True)
+#            nodes = self.rspec_get_other_nodes_from_network(rspec_string, network)
+#            for node in nodes: self.addNode(network, node, False)
+            # hacky - i'm just gettin used to this xml navigation stuff
+            xml_nodes = self.rspec_get_xml_nodes_from_network(rspec_string, network)
+            from lxml import etree
+            # addNode inserts before, so let's start with the ones that are not in
+            for xml_node in xml_nodes:
+                if not xml_node.xpath('sliver'): 
+                    self.addNode(network,xml_node.xpath('hostname/text()')[0],False)
+            for xml_node in xml_nodes:
+                if xml_node.xpath('sliver'): 
+                    self.addNode(network,xml_node.xpath('hostname/text()')[0],True)
+                
 
-    def addNode(self, testbed, hostname):
+    def addNode(self, testbed, hostname, mark):
         self.nodeModel.insertRow(0)
         self.nodeModel.setData(self.nodeModel.index(0,0), QString(testbed))
         self.nodeModel.setData(self.nodeModel.index(0,1), QString(hostname))
+        if mark:msg="x"
+        else:   msg="-"
+        self.nodeModel.setData(self.nodeModel.index(0,2), QString(msg))
 
 
 
@@ -47,3 +104,4 @@ class SfaMainScreen(SfaScreen):
 
         slice = SliceWidget(self)
         self.init(slice, "Main Window", "PlanetLab Federation GUI")
+        slice.refresh()