impl_list.py

   1 import gtk, gobject
   2 from zeroinstall.injector import model, writer
   3 from gui import policy, pretty_size
   4
   5 def popup_menu(bev, values, fn):
   6         menu = gtk.Menu()
   7         for value in values:
   8                 if value is None:
   9                         item = gtk.SeparatorMenuItem()
  10                 else:
  11                         item = gtk.MenuItem(str(value).capitalize())
  12                         item.connect('activate', lambda item, v=value: fn(v))
  13                 item.show()
  14                 menu.append(item)
  15         menu.popup(None, None, None, bev.button, bev.time)
  16
  17 # Columns
  18 ITEM = 0
  19 ARCH = 1
  20 STABILITY = 2
  21 VERSION = 3
  22 CACHED = 4
  23 ID = 5
  24 UNUSABLE = 6
  25
  26 class ImplementationList(gtk.ScrolledWindow):
  27         tree_view = None
  28         model = None
  29
  30         def __init__(self, interface):
  31                 gtk.ScrolledWindow.__init__(self, None, None)
  32                 self.set_shadow_type(gtk.SHADOW_IN)
  33
  34                 self.model = gtk.ListStore(object, str, str, str,
  35                            gobject.TYPE_BOOLEAN, str, gobject.TYPE_BOOLEAN)
  36
  37                 self.tree_view = gtk.TreeView(self.model)
  38
  39                 text = gtk.CellRendererText()
  40                 text_strike = gtk.CellRendererText()
  41                 toggle = gtk.CellRendererToggle()
  42
  43                 stability = gtk.TreeViewColumn('Stability', text, text = STABILITY)
  44
  45                 for column in (gtk.TreeViewColumn('Version', text, text = VERSION),
  46                                stability,
  47                                gtk.TreeViewColumn('C', toggle, active = CACHED),
  48                                gtk.TreeViewColumn('Arch', text, text = ARCH),
  49                                gtk.TreeViewColumn('ID', text_strike, text = ID,
  50                                                         strikethrough = UNUSABLE)):
  51                         self.tree_view.append_column(column)
  52
  53                 self.add(self.tree_view)
  54
  55                 def button_press(tree_view, bev):
  56                         if bev.button not in (1, 3):
  57                                 return False
  58                         pos = tree_view.get_path_at_pos(int(bev.x), int(bev.y))
  59                         if not pos:
  60                                 return False
  61                         path, col, x, y = pos
  62                         if col == stability:
  63                                 impl = self.model[path][ITEM]
  64                                 upstream = impl.upstream_stability or model.testing
  65                                 choices = model.stability_levels.values()
  66                                 choices.sort()
  67                                 choices.reverse()
  68                                 def set(new):
  69                                         if isinstance(new, model.Stability):
  70                                                 impl.user_stability = new
  71                                         else:
  72                                                 impl.user_stability = None
  73                                         writer.save_interface(interface)
  74                                         policy.recalculate()
  75                                 popup_menu(bev, ['Unset (%s)' % upstream, None] + choices,
  76                                         set)
  77                 self.tree_view.connect('button-press-event', button_press)
  78
  79         def get_selection(self):
  80                 return self.tree_view.get_selection()
  81
  82         def set_items(self, items):
  83                 self.model.clear()
  84                 for item in items:
  85                         new = self.model.append()
  86                         self.model[new][ITEM] = item
  87                         self.model[new][VERSION] = item.get_version()
  88                         self.model[new][CACHED] = policy.get_cached(item)
  89                         if item.user_stability:
  90                                 self.model[new][STABILITY] = str(item.user_stability).upper()
  91                         else:
  92                                 self.model[new][STABILITY] = item.upstream_stability or \
  93                                                              model.testing
  94                         self.model[new][ARCH] = item.arch or 'any'
  95                         self.model[new][ID] = item.id
  96                         self.model[new][UNUSABLE] = policy.is_unusable(item)
  97
  98         def clear(self):
  99                 self.model.clear()
 100