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# Copyright (C) 2008 One Laptop Per Child
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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 St, Fifth Floor, Boston, MA 02110-1301 USA
from gettext import gettext as _
import gobject
import gtk
from sugar.graphics import style
from sugar.graphics import iconentry
from sugar.graphics.palette import Palette
from sugar.graphics.menuitem import MenuItem
from sugar.graphics.radiotoolbutton import RadioToolButton
from view.home import favoritesview
from view.home.activitieslist import ActivitiesList
_FAVORITES_VIEW = 0
_LIST_VIEW = 1
_AUTOSEARCH_TIMEOUT = 1000
class HomeBox(gtk.VBox):
__gtype_name__ = 'SugarHomeBox'
def __init__(self):
gobject.GObject.__init__(self)
self._favorites_view = favoritesview.FavoritesView()
self._list_view = ActivitiesList()
self._enable_xo_palette = False
self._toolbar = HomeToolbar()
self._toolbar.connect('query-changed', self.__toolbar_query_changed_cb)
self._toolbar.connect('view-changed', self.__toolbar_view_changed_cb)
self.pack_start(self._toolbar, expand=False)
self._toolbar.show()
self._set_view(_FAVORITES_VIEW, favoritesview.RANDOM_LAYOUT)
def __toolbar_query_changed_cb(self, toolbar, query):
if self._list_view is None:
return
query = query.lower()
self._list_view.set_filter(query)
def __toolbar_view_changed_cb(self, toolbar, view, layout):
self._set_view(view, layout)
def _set_view(self, view, layout):
if view == _FAVORITES_VIEW:
if self._list_view in self.get_children():
self.remove(self._list_view)
self._favorites_view.layout = layout
if self._enable_xo_palette:
self._favorites_view.enable_xo_palette()
if self._favorites_view not in self.get_children():
self.add(self._favorites_view)
self._favorites_view.show()
elif view == _LIST_VIEW:
if self._favorites_view in self.get_children():
self.remove(self._favorites_view)
self.add(self._list_view)
self._list_view.show()
else:
raise ValueError('Invalid view: %r' % view)
_REDRAW_TIMEOUT = 5 * 60 * 1000 # 5 minutes
def resume(self):
pass
def suspend(self):
pass
def has_activities(self):
# TODO: Do we need this?
#return self._donut.has_activities()
return False
def enable_xo_palette(self):
self._enable_xo_palette = True
if self._favorites_view is not None:
self._favorites_view.enable_xo_palette()
class HomeToolbar(gtk.Toolbar):
__gtype_name__ = 'SugarHomeToolbar'
__gsignals__ = {
'query-changed': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
([str])),
'view-changed': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
([object, object]))
}
def __init__(self):
gtk.Toolbar.__init__(self)
self._query = None
self._autosearch_timer = None
self._add_separator()
tool_item = gtk.ToolItem()
self.insert(tool_item, -1)
tool_item.show()
self._search_entry = iconentry.IconEntry()
self._search_entry.set_icon_from_name(iconentry.ICON_ENTRY_PRIMARY,
'system-search')
self._search_entry.add_clear_button()
self._search_entry.set_width_chars(25)
self._search_entry.connect('activate', self.__entry_activated_cb)
self._search_entry.connect('changed', self.__entry_changed_cb)
tool_item.add(self._search_entry)
self._search_entry.show()
self._add_separator(expand=True)
favorites_button = FavoritesButton()
favorites_button.connect('toggled', self.__view_button_toggled_cb,
_FAVORITES_VIEW)
self.insert(favorites_button, -1)
favorites_button.show()
list_button = RadioToolButton(named_icon='view-list')
list_button.props.group = favorites_button
list_button.props.tooltip = _('List view')
list_button.props.accelerator = _('<Ctrl>L')
list_button.connect('toggled', self.__view_button_toggled_cb,
_LIST_VIEW)
self.insert(list_button, -1)
list_button.show()
self._add_separator()
def __view_button_toggled_cb(self, button, view):
if button.props.active:
if view == _FAVORITES_VIEW:
self.emit('view-changed', view, button.layout)
else:
self.emit('view-changed', view, None)
def _add_separator(self, expand=False):
separator = gtk.SeparatorToolItem()
separator.props.draw = False
if expand:
separator.set_expand(True)
else:
separator.set_size_request(style.GRID_CELL_SIZE,
style.GRID_CELL_SIZE)
self.insert(separator, -1)
separator.show()
def __entry_activated_cb(self, entry):
if self._autosearch_timer:
gobject.source_remove(self._autosearch_timer)
new_query = entry.props.text
if self._query != new_query:
self._query = new_query
self.emit('query-changed', self._query)
def __entry_changed_cb(self, entry):
if not entry.props.text:
entry.activate()
return
if self._autosearch_timer:
gobject.source_remove(self._autosearch_timer)
self._autosearch_timer = gobject.timeout_add(_AUTOSEARCH_TIMEOUT,
self.__autosearch_timer_cb)
def __autosearch_timer_cb(self):
self._autosearch_timer = None
self._search_entry.activate()
return False
class FavoritesButton(RadioToolButton):
__gtype_name__ = 'SugarFavoritesButton'
def __init__(self):
RadioToolButton.__init__(self)
self.props.named_icon = 'view-radial'
self.props.tooltip = _('Favorites view')
self.props.accelerator = _('<Ctrl>R')
self.props.group = None
self._layout = favoritesview.RANDOM_LAYOUT
# TRANS: label for the freeform layout in the favorites view
menu_item = MenuItem(_('Freeform'), 'activity-start')
menu_item.connect('activate', self.__layout_activate_cb,
favoritesview.RANDOM_LAYOUT)
self.props.palette.menu.append(menu_item)
menu_item.show()
# TRANS: label for the ring layout in the favorites view
menu_item = MenuItem(_('Ring'), 'view-radial')
menu_item.connect('activate', self.__layout_activate_cb,
favoritesview.RING_LAYOUT)
self.props.palette.menu.append(menu_item)
menu_item.show()
def __layout_activate_cb(self, menu_item, layout):
if self._layout == layout and self.props.active:
return
elif self._layout != layout:
if layout == favoritesview.RANDOM_LAYOUT:
self.props.named_icon = 'activity-start'
elif layout == favoritesview.RING_LAYOUT:
self.props.named_icon = 'view-radial'
else:
raise ValueError('Invalid layout: %r' % layout)
self._layout = layout
if not self.props.active:
self.props.active = True
else:
self.emit('toggled')
def _get_layout(self):
return self._layout
layout = property(_get_layout, None)
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