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#20 Add a search bar on language selection and make the list fully discoverable #32

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#20 Add a search bar on language selection and make the list fully discoverable #32

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58 changes: 32 additions & 26 deletions os_installer2/pages/language.py
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Original file line number Diff line number Diff line change
Expand Up @@ -47,30 +47,35 @@ class InstallerLanguagePage(BasePage):

# Main content
listbox = None
moar_button = None

# SearchEntry
searchbox = None

info = None

def __init__(self):
BasePage.__init__(self)


self.searchbox = Gtk.SearchEntry()
self.searchbox.set_width_chars(30)
self.searchbox.set_halign(Gtk.Align.CENTER)
self.searchbox.set_margin_top(20)
self.searchbox.connect("search-changed", self.search_filter)
self.add(self.searchbox)

self.scroll = Gtk.ScrolledWindow(None, None)
self.scroll.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
self.scroll.set_border_width(40)
self.scroll.set_border_width(20)
self.add(self.scroll)

self.listbox = Gtk.ListBox()
self.scroll.add(self.listbox)
self.scroll.set_halign(Gtk.Align.CENTER)
self.listbox.set_size_request(500, -1)

# Fix up policy
self.scroll.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.NEVER)
self.scroll.set_size_request(500, 400)

self.moar_button = Gtk.Image.new_from_icon_name("view-more-symbolic",
Gtk.IconSize.MENU)
self.moar_button.set_property("margin", 8)
self.moar_button.show_all()
self.scroll.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
self.listbox.connect_after("row-selected", self.on_row_select)

def on_row_select(self, lbox, newrb=None):
Expand All @@ -81,35 +86,36 @@ def on_row_select(self, lbox, newrb=None):
self.info.owner.set_can_next(False)
return
child = newrb.get_child()
if child == self.moar_button:
self.init_remaining()
return
self.info.locale = child.lc_code
self.info.locale_sz = child.dname
self.info.owner.set_can_next(True)

def do_expensive_init(self):
""" Do the hard work of actually setting up the view """
Gdk.threads_enter()
for lc in default_locales:
all_locales = GnomeDesktop.get_all_locales()
all_locales.sort()
for lc in all_locales:
self.listbox.add(LcLabel(lc))
self.listbox.add(self.moar_button)
Gdk.threads_leave()


def search_filter(self, entry):
""" Provide the search results """
for row in self.listbox:
row.destroy()
entry_str = entry.get_text().lower()
all_locales = GnomeDesktop.get_all_locales()
all_locales.sort()
for lc in all_locales:
if entry_str == "":
self.listbox.add(LcLabel(lc))
else:
if LcLabel(lc).get_text().lower().startswith(entry_str):
self.listbox.add(LcLabel(lc))

def init_remaining(self):
""" Add the rest to the list """
self.scroll.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
locales = GnomeDesktop.get_all_locales()
self.moar_button.get_parent().hide()
appends = list()
for lc in locales:
if lc in default_locales:
continue
item = LcLabel(lc)
appends.append(item)
appends.sort(key=lambda x: x.dname.lower())
for item in appends:
self.listbox.add(item)

def prepare(self, info):
# Nothing to seed with.
Expand Down