class ItemBrowser(Observable):
OBS_ACTIVATE_ITEM = 0
def __init__(self, search_handler, item_renderer, *columns):
self.__search_handler = search_handler
# build bookmarks list
self.__bookmarks = BookmarkList()
self.__browser = gtk.VBox()
# build search bar
self.__searchbar = SearchBar()
self.__searchbar.show_all()
self.__searchbar.add_observer(self.__on_search)
self.__browser.pack_start(self.__searchbar, False, False, 0)
# build list view
scrwin = gtk.ScrolledWindow()
scrwin.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
self.__browser.pack_end(scrwin, True, True, 0)
self.__list = ListView(columns, item_renderer)
self.__list.connect("row-activated", self.__on_activate_item)
scrwin.add(self.__list)
#
# Returns the widgets.
#
def get_widgets(self):
return (self.__bookmarks, self.__browser)
#
# Adds a category to the bookmarks list.
#
def add_category(self, name, label, items):
self.__bookmarks.add_category(name, name)
items = list(set(items))
items.sort(lambda a,b: cmp(a[1], b[1]))
for icon, label, expr in items:
if (icon):
pixbuf = gtk.gdk.pixbuf_new_from_file(icon)
else:
pixbuf = None
self.__bookmarks.add_item(name, pixbuf, label,
self.__on_select_entry, expr)
#end for
self.__bookmarks.select_category(0)
#
# Sets a search query manually.
#
def set_query(self, expr):
self.__searchbar.set_query(expr)
#
# Returns the currently selected item.
#
def get_selected_item(self):
return self.__list.get_selected_item()
def __on_select_entry(self, expr):
self.set_query(expr)
def __on_search(self, src, cmd, expr):
assert (self.__search_handler)
self.__list.clear()
matches = self.__search_handler(expr)
if (matches):
for item in matches:
self.__list.add_item(item)
return matches
def __on_activate_item(self, *args):
item = self.__list.get_selected_item()
self.update_observer(self.OBS_ACTIVATE_ITEM, item)
