impl_list.py

   1 import gtk
   2 import model
   3 from gui import policy, pretty_size
   4 import writer
   5
   6 def popup_menu(bev, values, fn):
   7         menu = gtk.Menu()
   8         for value in values:
   9                 if value is None:
  10                         item = gtk.SeparatorMenuItem()
  11                 else:
  12                         item = gtk.MenuItem(str(value).capitalize())
  13                         item.connect('activate', lambda item, v=value: fn(v))
  14                 item.show()
  15                 menu.append(item)
  16         menu.popup(None, None, None, bev.button, bev.time)
  17
  18 # Columns
  19 ITEM = 0
  20 ARCH = 1
  21 STABILITY = 2
  22 VERSION = 3
  23 CACHED = 4
  24 ID = 5
  25 UNUSABLE = 6
  26
  27 class ImplementationList(gtk.ScrolledWindow):
  28         tree_view = None
  29         model = None
  30
  31         def __init__(self, interface):
  32                 gtk.ScrolledWindow.__init__(self, None, None)
  33                 self.set_shadow_type(gtk.SHADOW_IN)
  34
  35                 self.model = gtk.ListStore(object, str, str, str, bool, str, bool)
  36                 self.tree_view = gtk.TreeView(self.model)
  37
  38                 text = gtk.CellRendererText()
  39                 text_strike = gtk.CellRendererText()
  40                 toggle = gtk.CellRendererToggle()
  41
  42                 stability = gtk.TreeViewColumn('Stability', text, text = STABILITY)
  43
  44                 for column in (gtk.TreeViewColumn('Version', text, text = VERSION),
  45                                stability,
  46                                gtk.TreeViewColumn('C', toggle, active = CACHED),
  47                                gtk.TreeViewColumn('Arch', text, text = ARCH),
  48                                gtk.TreeViewColumn('ID', text_strike, text = ID,
  49                                                         strikethrough = UNUSABLE)):
  50                         self.tree_view.append_column(column)
  51
  52                 self.add(self.tree_view)
  53
  54                 def button_press(tree_view, bev):
  55                         if bev.button not in (1, 3):
  56                                 return False
  57                         pos = tree_view.get_path_at_pos(int(bev.x), int(bev.y))
  58                         if not pos:
  59                                 return False
  60                         path, col, x, y = pos
  61                         if col == stability:
  62                                 impl = self.model[path][ITEM]
  63                                 upstream = impl.upstream_stability or model.testing
  64                                 choices = model.stability_levels.values()
  65                                 choices.sort()
  66                                 choices.reverse()
  67                                 def set(new):
  68                                         if isinstance(new, model.Stability):
  69                                                 impl.user_stability = new
  70                                         else:
  71                                                 impl.user_stability = None
  72                                         writer.save_interface(interface)
  73                                         policy.recalculate()
  74                                 popup_menu(bev, ['Unset (%s)' % upstream, None] + choices,
  75                                         set)
  76                 self.tree_view.connect('button-press-event', button_press)
  77
  78         def get_selection(self):
  79                 return self.tree_view.get_selection()
  80
  81         def set_items(self, items):
  82                 self.model.clear()
  83                 for item in items:
  84                         new = self.model.append()
  85                         self.model[new][ITEM] = item
  86                         self.model[new][VERSION] = item.get_version()
  87                         self.model[new][CACHED] = policy.get_cached(item)
  88                         if item.user_stability:
  89                                 self.model[new][STABILITY] = str(item.user_stability).upper()
  90                         else:
  91                                 self.model[new][STABILITY] = item.upstream_stability or \
  92                                                              model.testing
  93                         self.model[new][ARCH] = item.arch or 'any'
  94                         self.model[new][ID] = item.id
  95                         self.model[new][UNUSABLE] = policy.is_unusable(item)
  96
  97         def clear(self):
  98                 self.model.clear()
  99