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# Copyright (C) 2009 Canonical
#
# Authors:
# Michael Vogt
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; version 3.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import gobject as GObject
import gtk
import logging
import os
import xapian
from gettext import gettext as _
from widgets.wkwidget import WebkitWidget
from softwarecenter.distro import get_distro
from catview import CategoriesView
class CategoriesViewWebkit(WebkitWidget, CategoriesView):
CATEGORY_ICON_SIZE = 64
SUB_CATEGORY_ICON_SIZE = 48
__gsignals__ = {
"category-selected" : (GObject.SIGNAL_RUN_LAST,
GObject.TYPE_NONE,
(GObject.TYPE_PYOBJECT, ),
),
"application-activated" : (GObject.SIGNAL_RUN_LAST,
GObject.TYPE_NONE,
(GObject.TYPE_PYOBJECT, ),
),
}
def __init__(self, datadir, desktopdir, cache, db, icons, apps_filter, root_category=None):
""" init the widget, takes
datadir - the base directory of the app-store data
desktopdir - the dir where the applications.menu file can be found
cache - a apt cache
db - a Database object
icons - a gtk.IconTheme
root_category - a Category class with subcategories or None
"""
WebkitWidget.__init__(self, datadir)
CategoriesView.__init__(self)
atk_desc = self.get_accessible()
atk_desc.set_name(_("Departments"))
self.categories = []
self.header = ""
self.db = db
self.cache = cache
self.apps_filter = apps_filter
self.icons = icons
# FIXME: move this to shared code
if not root_category:
self.header = _("Departments")
self.categories = self.parse_applications_menu(desktopdir)
self.in_subsection = False
else:
self.in_subsection = True
self.set_subcategory(root_category)
self.connect("load-finished", self._on_load_finished)
def set_subcategory(self, root_category, block=False):
# nothing to do
if self.categories == root_category.subcategories:
return
self.header = root_category.name
self.categories = root_category.subcategories
self.refresh_html()
# wait until html is ready
while gtk.events_pending():
gtk.main_iteration()
def on_category_clicked(self, name):
"""emit the category-selected signal when a category was clicked"""
logging.debug("on_category_changed: %s" % name)
for cat in self.categories:
if cat.name == name:
self.emit("category-selected", cat)
# run javascript inside the html
def _on_load_finished(self, view, frame):
"""
helper for the webkit widget that injects the categories into
the page when it has finished loading
"""
self._show_hide_header()
self.add_all_categories()
def _show_hide_header(self):
if self.in_subsection:
self.execute_script("hide_header();")
else:
self.execute_script("show_header();")
def add_all_categories(self):
""" add all categories to the view """
for cat in sorted(self.categories, cmp=self._cat_sort_cmp):
iconpath = ""
if cat.iconname:
if self.in_subsection:
size = self.SUB_CATEGORY_ICON_SIZE
else:
size = self.CATEGORY_ICON_SIZE
iconinfo = self.icons.lookup_icon(cat.iconname, size, 0)
if iconinfo:
iconpath = iconinfo.get_filename()
logging.debug("icon: %s %s" % (iconinfo, iconpath))
self.add_category(cat, iconpath)
def add_category(self, cat, iconpath):
""" add a single category """
s = 'addCategory("%s","%s", "%s")' % (cat.name,
cat.untranslated_name,
iconpath)
logging.debug("running script '%s'" % s)
self.execute_script(s)
# substitute stuff
def wksub_ubuntu_software_center(self):
return get_distro().get_app_name()
def wksub_icon_size(self):
if self.in_subsection:
return self.SUB_CATEGORY_ICON_SIZE
else:
return self.CATEGORY_ICON_SIZE
def wksub_header(self):
return self.header
def wksub_text_direction(self):
direction = gtk.widget_get_default_direction()
if direction == gtk.TEXT_DIR_RTL:
return 'DIR="RTL"'
elif direction == gtk.TEXT_DIR_LTR:
return 'DIR="LTR"'
def wksub_font_family(self):
return self._get_font_description_property("family")
def wksub_font_weight(self):
try:
return self._get_font_description_property("weight").real
except AttributeError:
return int(self._get_font_description_property("weight"))
def wksub_font_style(self):
return self._get_font_description_property("style").value_nick
def wksub_font_size(self):
return self._get_font_description_property("size")/1024
def wksub_featured_applications_image(self):
return self._image_path("featured_applications_background")
def wksub_button_background_left(self):
return self._image_path("button_background_left")
def wksub_button_background_right(self):
return self._image_path("button_background_right")
def wksub_heading_background_image(self):
return self._image_path("heading_background_image")
def wksub_basket_image(self):
return self._image_path("basket")
def wksub_arrow_image(self):
return self._image_path("arrow")
# helper code for menu parsing etc
def _image_path(self,name):
return os.path.abspath("%s/images/%s.png" % (self.datadir, name))
def _get_pango_font_description(self):
return gtk.Label("pango").get_pango_context().get_font_description()
def _get_font_description_property(self, property):
description = self._get_pango_font_description()
return getattr(description, "get_%s" % property)()
# test code
def category_activated(iconview, category, db):
#(name, pixbuf, query) = iconview.get_model()[path]
#name = category.name
query = category.query
enquire = xapian.Enquire(db.xapiandb)
enquire.set_query(query)
matches = enquire.get_mset(0, 2000)
for m in matches:
doc = m.document
appname = doc.get_value(XAPIAN_VALUE_APPNAME)
print "appname: ", appname,
#for t in doc.termlist():
# print "'%s': %s (%s); " % (t.term, t.wdf, t.termfreq),
#print "\n"
print len(matches)
if __name__ == "__main__":
import apt
from softwarecenter.enums import XAPIAN_VALUE_APPNAME
from softwarecenter.db.database import StoreDatabase
logging.basicConfig(level=logging.DEBUG)
appdir = "/usr/share/app-install"
datadir = "./data"
xapian_base_path = "/var/cache/software-center"
pathname = os.path.join(xapian_base_path, "xapian")
cache = apt.Cache()
db = StoreDatabase(pathname, cache)
db.open()
# additional icons come from app-install-data
icons = gtk.icon_theme_get_default()
icons.append_search_path("/usr/share/app-install/icons/")
# now the category view
view = CategoriesView(datadir, appdir, db, icons)
view.connect("category-selected", category_activated, db)
scroll = gtk.ScrolledWindow()
scroll.add(view)
# now a sub-category view
for cat in view.categories:
if cat.untranslated_name == "Games":
games_category = cat
subview = CategoriesView(datadir, appdir, db, icons, games_category)
subview.connect("category-selected", category_activated, db)
scroll2 = gtk.ScrolledWindow()
scroll2.add(subview)
# pack and show
vbox = gtk.VBox()
vbox.pack_start(scroll, padding=6)
vbox.pack_start(scroll2, padding=6)
win = gtk.Window()
win.add(vbox)
view.grab_focus()
win.set_size_request(700,600)
win.show_all()
gtk.main()
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