# Copyright (C) 2007, 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 logging import gobject import gtk import wnck from sugar.graphics import style from sugar.graphics.toolbutton import ToolButton from jarabe.journal.listview import BaseListView from jarabe.journal.listmodel import ListModel from jarabe.journal.journaltoolbox import SearchToolbar from jarabe.journal.volumestoolbar import VolumesToolbar class ObjectChooser(gtk.Window): __gtype_name__ = 'ObjectChooser' __gsignals__ = { 'response': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([int])) } def __init__(self, parent=None, what_filter=''): gtk.Window.__init__(self) self.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG) self.set_decorated(False) self.set_position(gtk.WIN_POS_CENTER_ALWAYS) self.set_border_width(style.LINE_WIDTH) self._selected_object_id = None self.add_events(gtk.gdk.VISIBILITY_NOTIFY_MASK) self.connect('visibility-notify-event', self.__visibility_notify_event_cb) self.connect('delete-event', self.__delete_event_cb) self.connect('key-press-event', self.__key_press_event_cb) if parent is None: logging.warning('ObjectChooser: No parent window specified') else: self.connect('realize', self.__realize_cb, parent) screen = wnck.screen_get_default() screen.connect('window-closed', self.__window_closed_cb, parent) vbox = gtk.VBox() self.add(vbox) vbox.show() title_box = TitleBox() title_box.connect('volume-changed', self.__volume_changed_cb) title_box.close_button.connect('clicked', self.__close_button_clicked_cb) title_box.set_size_request(-1, style.GRID_CELL_SIZE) vbox.pack_start(title_box, expand=False) title_box.show() separator = gtk.HSeparator() vbox.pack_start(separator, expand=False) separator.show() self._toolbar = SearchToolbar() self._toolbar.connect('query-changed', self.__query_changed_cb) self._toolbar.set_size_request(-1, style.GRID_CELL_SIZE) vbox.pack_start(self._toolbar, expand=False) self._toolbar.show() self._list_view = ChooserListView() self._list_view.connect('entry-activated', self.__entry_activated_cb) vbox.pack_start(self._list_view) self._list_view.show() self._toolbar.set_mount_point('/') width = gtk.gdk.screen_width() - style.GRID_CELL_SIZE * 2 height = gtk.gdk.screen_height() - style.GRID_CELL_SIZE * 2 self.set_size_request(width, height) if what_filter: self._toolbar.set_what_filter(what_filter) def __realize_cb(self, chooser, parent): self.window.set_transient_for(parent) # TODO: Should we disconnect the signal here? def __window_closed_cb(self, screen, window, parent): if window.get_xid() == parent.xid: self.destroy() def __entry_activated_cb(self, list_view, uid): self._selected_object_id = uid self.emit('response', gtk.RESPONSE_ACCEPT) def __delete_event_cb(self, chooser, event): self.emit('response', gtk.RESPONSE_DELETE_EVENT) def __key_press_event_cb(self, widget, event): keyname = gtk.gdk.keyval_name(event.keyval) if keyname == 'Escape': self.emit('response', gtk.RESPONSE_DELETE_EVENT) def __close_button_clicked_cb(self, button): self.emit('response', gtk.RESPONSE_DELETE_EVENT) def get_selected_object_id(self): return self._selected_object_id def __query_changed_cb(self, toolbar, query): self._list_view.update_with_query(query) def __volume_changed_cb(self, volume_toolbar, mount_point): logging.debug('Selected volume: %r.' % mount_point) self._toolbar.set_mount_point(mount_point) def __visibility_notify_event_cb(self, window, event): logging.debug('visibility_notify_event_cb %r' % self) visible = event.state == gtk.gdk.VISIBILITY_FULLY_OBSCURED self._list_view.set_is_visible(visible) class TitleBox(VolumesToolbar): __gtype_name__ = 'TitleBox' def __init__(self): VolumesToolbar.__init__(self) label = gtk.Label() label.set_markup('%s' % _('Choose an object')) label.set_alignment(0, 0.5) self._add_widget(label, expand=True) self.close_button = ToolButton(icon_name='dialog-cancel') self.close_button.set_tooltip(_('Close')) self.insert(self.close_button, -1) self.close_button.show() def _add_widget(self, widget, expand=False): tool_item = gtk.ToolItem() tool_item.set_expand(expand) tool_item.add(widget) widget.show() self.insert(tool_item, -1) tool_item.show() class ChooserListView(BaseListView): __gtype_name__ = 'ChooserListView' __gsignals__ = { 'entry-activated': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([str])), } def __init__(self): BaseListView.__init__(self) self.cell_icon.props.show_palette = False self.tree_view.props.hover_selection = True self.tree_view.connect('button-release-event', self.__button_release_event_cb) def __entry_activated_cb(self, entry): self.emit('entry-activated', entry) def __button_release_event_cb(self, tree_view, event): if event.window != tree_view.get_bin_window(): return False pos = tree_view.get_path_at_pos(event.x, event.y) if pos is None: return False path, column_, x_, y_ = pos uid = tree_view.get_model()[path][ListModel.COLUMN_UID] self.emit('entry-activated', uid) return False