impl_list.py :  » Installer » Zero-Install » zeroinstall-injector-0.47 » zeroinstall » 0launch-gui » Python Open Source

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Python Open Source » Installer » Zero Install 
Zero Install » zeroinstall injector 0.47 » zeroinstall » 0launch gui » impl_list.py
# Copyright (C) 2009, Thomas Leonard
# See the README file for details, or visit http://0install.net.

import gtk, gobject, os, pango
from zeroinstall.injector import model,writer
from zeroinstall import support
from zeroinstall.gtkui.treetips import TreeTips
import utils

def _build_stability_menu(policy, impl):
  menu = gtk.Menu()

  upstream = impl.upstream_stability or model.testing
  choices = model.stability_levels.values()
  choices.sort()
  choices.reverse()

  def set(new):
    if isinstance(new, model.Stability):
      impl.user_stability = new
    else:
      impl.user_stability = None
    writer.save_feed(impl.feed)
    policy.recalculate()

  item = gtk.MenuItem(_('Unset (%s)') % upstream)
  item.connect('activate', lambda item: set(None))
  item.show()
  menu.append(item)

  item = gtk.SeparatorMenuItem()
  item.show()
  menu.append(item)

  for value in choices:
    item = gtk.MenuItem(_(str(value)).capitalize())
    item.connect('activate', lambda item, v = value: set(v))
    item.show()
    menu.append(item)

  return menu

rox_filer = 'http://rox.sourceforge.net/2005/interfaces/ROX-Filer'

# Columns
ITEM = 0
ARCH = 1
STABILITY = 2
VERSION = 3
FETCH = 4
UNUSABLE = 5
RELEASED = 6
NOTES = 7
WEIGHT = 8  # Selected item is bold

class ImplTips(TreeTips):
  def __init__(self, policy, interface):
    self.policy = policy
    self.interface = interface

  def get_tooltip_text(self):
    impl = self.item
    if impl.local_path:
      return _("Local: %s") % impl.local_path
    if impl.id.startswith('package:'):
      return _("Native package: %s") % impl.id.split(':', 1)[1]
    if self.policy.get_cached(impl):
      return _("Cached: %s") % self.policy.get_implementation_path(impl)

    src = self.policy.fetcher.get_best_source(impl)
    if src:
      size = support.pretty_size(src.size)
      return _("Not yet downloaded (%s)") % size
    else:
      return _("No downloads available!")

class ImplementationList:
  tree_view = None
  model = None
  interface = None
  policy = None

  def __init__(self, policy, interface, widgets):
    self.interface = interface
    self.policy = policy

    self.model = gtk.ListStore(object, str, str, str,  # Item, arch, stability, version,
         str, gobject.TYPE_BOOLEAN, str, str, int)  # fetch, unusable, released, notes, weight

    self.tree_view = widgets.get_widget('versions_list')
    self.tree_view.set_model(self.model)

    text = gtk.CellRendererText()
    text_strike = gtk.CellRendererText()

    stability = gtk.TreeViewColumn(_('Stability'), text, text = STABILITY)

    for column in (gtk.TreeViewColumn(_('Version'), text_strike, text = VERSION, strikethrough = UNUSABLE, weight = WEIGHT),
             gtk.TreeViewColumn(_('Released'), text, text = RELEASED, weight = WEIGHT),
             stability,
             gtk.TreeViewColumn(_('Fetch'), text, text = FETCH, weight = WEIGHT),
             gtk.TreeViewColumn(_('Arch'), text_strike, text = ARCH, strikethrough = UNUSABLE, weight = WEIGHT),
             gtk.TreeViewColumn(_('Notes'), text, text = NOTES, weight = WEIGHT)):
      self.tree_view.append_column(column)

    tips = ImplTips(policy, interface)

    def motion(tree_view, ev):
      if ev.window is not tree_view.get_bin_window():
        return False
      pos = tree_view.get_path_at_pos(int(ev.x), int(ev.y))
      if pos:
        path = pos[0]
        row = self.model[path]
        if row[ITEM] is not tips.item:
          tips.prime(tree_view, row[ITEM])
      else:
        tips.hide()

    self.tree_view.connect('motion-notify-event', motion)
    self.tree_view.connect('leave-notify-event', lambda tv, ev: tips.hide())
    self.tree_view.connect('destroy', lambda tv: tips.hide())

    def button_press(tree_view, bev):
      if bev.button not in (1, 3):
        return False
      pos = tree_view.get_path_at_pos(int(bev.x), int(bev.y))
      if not pos:
        return False
      path, col, x, y = pos
      impl = self.model[path][ITEM]

      menu = gtk.Menu()

      stability_menu = gtk.MenuItem(_('Rating'))
      stability_menu.set_submenu(_build_stability_menu(self.policy, impl))
      stability_menu.show()
      menu.append(stability_menu)

      if self.policy.get_cached(impl):
        def open():
          os.spawnlp(os.P_WAIT, '0launch',
            '0launch', rox_filer, '-d',
            self.policy.get_implementation_path(impl))
        item = gtk.MenuItem(_('Open cached copy'))
        item.connect('activate', lambda item: open())
        item.show()
        menu.append(item)

      menu.popup(None, None, None, bev.button, bev.time)

    self.tree_view.connect('button-press-event', button_press)
  
  def get_selection(self):
    return self.tree_view.get_selection()
  
  def set_items(self, items):
    self.model.clear()
    selected = self.policy.solver.selections.get(self.interface, None)
    for item, unusable in items:
      new = self.model.append()
      self.model[new][ITEM] = item
      self.model[new][VERSION] = item.get_version()
      self.model[new][RELEASED] = item.released or "-"
      self.model[new][FETCH] = utils.get_fetch_info(self.policy, item)
      if item.user_stability:
        if item.user_stability == model.insecure:
          self.model[new][STABILITY] = _('INSECURE')
        elif item.user_stability == model.buggy:
          self.model[new][STABILITY] = _('BUGGY')
        elif item.user_stability == model.developer:
          self.model[new][STABILITY] = _('DEVELOPER')
        elif item.user_stability == model.testing:
          self.model[new][STABILITY] = _('TESTING')
        elif item.user_stability == model.stable:
          self.model[new][STABILITY] = _('STABLE')
        elif item.user_stability == model.packaged:
          self.model[new][STABILITY] = _('PACKAGED')
        elif item.user_stability == model.preferred:
          self.model[new][STABILITY] = _('PREFERRED')
      else:
        self.model[new][STABILITY] = _(str(item.upstream_stability) or str(model.testing))
      self.model[new][ARCH] = item.arch or _('any')
      if selected == item:
        self.model[new][WEIGHT] = pango.WEIGHT_BOLD
      else:
        self.model[new][WEIGHT] = pango.WEIGHT_NORMAL
      self.model[new][UNUSABLE] = bool(unusable)
      self.model[new][NOTES] = _(unusable)
  
  def clear(self):
    self.model.clear()
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