detailview.py

   1 # Copyright (C) 2007, One Laptop Per Child
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the Free Software
  15 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  16
  17 import logging
  18 from gettext import gettext as _
  19
  20 import gobject
  21 import gtk
  22 import hippo
  23
  24 from sugar.graphics import units
  25 from sugar.graphics import style
  26 from sugar.graphics.canvasicon import CanvasIcon
  27 from sugar.datastore import datastore
  28
  29 from expandedentry import ExpandedEntry
  30 from keepicon import KeepIcon
  31
  32 class DetailView(gtk.VBox):
  33     __gtype_name__ = 'DetailView'
  34
  35     __gsignals__ = {
  36         'go-back-clicked': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
  37     }
  38
  39     def __init__(self, model):
  40         gtk.VBox.__init__(self)
  41
  42         self._jobject = model
  43
  44         canvas = hippo.Canvas()
  45         self.pack_start(canvas, expand=True, fill=True)
  46         canvas.show()
  47
  48         root = hippo.CanvasBox()
  49         root.props.background_color = style.COLOR_PANEL_GREY.get_int()
  50         canvas.set_root(root)
  51
  52         back_bar = BackBar()
  53         back_bar.connect('button-release-event', self._back_bar_release_event_cb)
  54         root.append(back_bar)
  55
  56         self._hbox = hippo.CanvasBox(orientation = hippo.ORIENTATION_HORIZONTAL,
  57                                      spacing=units.points_to_pixels(5),
  58                                      padding=units.points_to_pixels(5))
  59         root.append(self._hbox)
  60
  61         self._expanded_object = ExpandedEntry(self._jobject)
  62         self._hbox.append(self._expanded_object, hippo.PACK_EXPAND)
  63
  64     def _fav_icon_activated_cb(self, fav_icon):
  65         keep = not self._expanded_object.get_keep()
  66         self._expanded_object.set_keep(keep)
  67         fav_icon.props.keep = keep
  68
  69     def _back_bar_release_event_cb(self, back_bar, event):
  70         self.emit('go-back-clicked')
  71         return False
  72
  73     def refresh(self):
  74         logging.debug('DetailView.refresh')
  75         self._jobject = datastore.get(self._jobject.object_id)
  76
  77         self._hbox.remove(self._expanded_object)
  78         self._expanded_object = ExpandedEntry(self._jobject)
  79         self._hbox.append(self._expanded_object, hippo.PACK_EXPAND)
  80
  81 class BackBar(hippo.CanvasBox):
  82     def __init__(self):
  83         hippo.CanvasBox.__init__(self,
  84                 orientation=hippo.ORIENTATION_HORIZONTAL,
  85                 border=style.LINE_WIDTH,
  86                 background_color=style.COLOR_PANEL_GREY.get_int(),
  87                 border_color=style.COLOR_SELECTION_GREY.get_int(),
  88                 padding=style.DEFAULT_SPACING,
  89                 spacing=style.DEFAULT_SPACING)
  90
  91         icon = CanvasIcon(icon_name='theme:go-previous-mini',
  92                           scale=units.STANDARD_ICON_SCALE)
  93         self.append(icon)
  94
  95         label = hippo.CanvasText(text=_('Go back'),
  96                                  font_desc=style.FONT_BOLD.get_pango_desc())
  97         self.append(label)
  98
  99         self.connect('motion-notify-event', self._motion_notify_event_cb)
 100
 101     def _motion_notify_event_cb(self, box, event):
 102         if event.detail == hippo.MOTION_DETAIL_ENTER:
 103             self.props.background_color = style.COLOR_SELECTION_GREY.get_int()
 104         elif event.detail == hippo.MOTION_DETAIL_LEAVE:
 105             self.props.background_color = style.COLOR_PANEL_GREY.get_int()
 106         return False
 107