NodePanel.py

   1 from pyjamas.ui.HorizontalPanel import HorizontalPanel
   2 from pyjamas.ui.VerticalPanel import VerticalPanel
   3 from pyjamas.ui.DockPanel import DockPanel
   4 from pyjamas.ui.CaptionPanel import CaptionPanel
   5 from pyjamas.ui.Button import Button
   6 from pyjamas.ui.Composite import Composite
   7 from pyjamas.ui.ListBox import ListBox
   8 from pyjamas.ui.TextBox import TextBox
   9 from pyjamas.ui.HTML import HTML
  10 from pyjamas.ui import HasAlignment
  11 import re
  12
  13 def faster_clear(self):
  14     count = self.getItemCount()
  15     while count > 0:
  16         self.removeItem(0)
  17         count -= 1
  18 ListBox.clear = faster_clear
  19
  20 class NodePanel(DockPanel):
  21     def __init__(self, sfadata, rspec):
  22         DockPanel.__init__(self)
  23         self.data = sfadata
  24         self.rspec = rspec
  25
  26         self.setSize("100%", "100%")
  27         self.setHorizontalAlignment(HasAlignment.ALIGN_CENTER)
  28         self.setVerticalAlignment(HasAlignment.ALIGN_MIDDLE)
  29         self.regex = None
  30
  31         leftpanel = VerticalPanel()
  32         leftcap = CaptionPanel("Available nodes")
  33         self.leftlist = ListBox(MultipleSelect=True, VisibleItemCount=20)
  34         leftcap.add(self.leftlist)
  35         leftpanel.add(leftcap)
  36
  37         hp1 = HorizontalPanel()
  38         filterButton = Button("Filter", self.filter)
  39         self.regExBox = TextBox()
  40         hp1.add(filterButton)
  41         hp1.add(self.regExBox)
  42         leftpanel.add(hp1)
  43
  44         rightpanel = VerticalPanel()
  45         rightcap = CaptionPanel("Selected nodes")
  46         self.rightlist = ListBox(MultipleSelect=True, VisibleItemCount=20)
  47         rightcap.add(self.rightlist)
  48         rightpanel.add(rightcap)
  49
  50         hp2 = HorizontalPanel()
  51         applyButton = Button("Apply", self.apply)
  52         resetButton = Button("Reset", self.reset)
  53         hp2.add(applyButton)
  54         hp2.add(resetButton)
  55         rightpanel.add(hp2)
  56
  57         addButton = Button(">>", self.addNodes)
  58         removeButton = Button("<<", self.removeNodes)
  59         vertpanel = VerticalPanel()
  60         vertpanel.setVerticalAlignment(HasAlignment.ALIGN_MIDDLE)
  61         vertpanel.add(addButton)
  62         vertpanel.add(removeButton)
  63
  64         self.add(leftpanel, DockPanel.WEST)
  65         self.add(rightpanel, DockPanel.EAST)
  66         self.add(vertpanel, DockPanel.CENTER)
  67
  68         self.refresh()
  69
  70     def refresh(self):
  71         slivers = self.sortNodes(self.rspec.get_sliver_list())
  72         all = self.rspec.get_node_list()
  73         available = self.sortNodes(filter(lambda x:x not in slivers,all))
  74         if self.regex:
  75             pattern = re.compile(self.regex)
  76             available = filter(pattern.search, available)
  77         self.leftlist.clear()
  78         for i in available:
  79             self.leftlist.addItem(i)
  80         self.rightlist.clear()
  81         for i in slivers:
  82             self.rightlist.addItem(i)
  83
  84     def onShow(self):
  85         pass
  86
  87     def sortNodes(self, nodes):
  88         nodes.sort()
  89         return nodes
  90
  91     def getSelected(self, listbox):
  92         got = []
  93         for i in range(listbox.getItemCount()):
  94             if listbox.isItemSelected(i):
  95                 got.append(listbox.getItemText(i))
  96         return got
  97
  98     def addNodes(self, sender):
  99         nodes = self.getSelected(self.leftlist)
 100         for node in nodes:
 101             self.rspec.add_sliver(node)
 102         self.refresh()
 103
 104     def removeNodes(self, sender):
 105         nodes = self.getSelected(self.rightlist)
 106         for node in nodes:
 107             self.rspec.remove_sliver(node)
 108         self.refresh()
 109
 110     def apply(self, sender):
 111         # Call sfi.py create via ViniData object
 112         pass
 113
 114     def reset(self, sender):
 115         self.rspec = self.data.getRSpec()
 116         self.refresh()
 117
 118     def filter(self, sender):
 119         self.regex = self.regExBox.getText()
 120         self.refresh()