#5106: Implement an object chooser callable through dbus.
This commit is contained in:
Tomeu Vizoso
parent
8b5cf46945
commit
5e942edddc
@ -17,190 +17,103 @@
|
||||
|
||||
import logging
|
||||
import time
|
||||
from gettext import gettext as _
|
||||
|
||||
import gobject
|
||||
import gtk
|
||||
import hippo
|
||||
import dbus
|
||||
|
||||
from sugar.bundle.activitybundle import ActivityBundle
|
||||
from sugar.graphics import style
|
||||
from sugar.graphics.icon import CanvasIcon
|
||||
from sugar.graphics.xocolor import XoColor
|
||||
from sugar.graphics.roundbox import CanvasRoundBox
|
||||
from sugar.datastore import datastore
|
||||
from sugar import activity
|
||||
from sugar import mime
|
||||
|
||||
# TODO: Activities should request the Journal to open objectchooser dialogs. In
|
||||
# that way, we'll be able to reuse most of this code inside the Journal.
|
||||
J_DBUS_SERVICE = 'org.laptop.Journal'
|
||||
J_DBUS_INTERFACE = 'org.laptop.Journal'
|
||||
J_DBUS_PATH = '/org/laptop/Journal'
|
||||
|
||||
class ObjectChooser(gtk.Dialog):
|
||||
def __init__(self, title=None, parent=None, flags=0):
|
||||
gtk.Dialog.__init__(self, title, parent, flags, (gtk.STOCK_CANCEL,
|
||||
gtk.RESPONSE_REJECT, gtk.STOCK_OK, gtk.RESPONSE_ACCEPT))
|
||||
class ObjectChooser(object):
|
||||
def __init__(self, title=None, parent=None, flags=None, buttons=None):
|
||||
# For backwards compatibility:
|
||||
# - We ignore title, flags and buttons.
|
||||
# - 'parent' can be a xid or a gtk.gdk.Window
|
||||
|
||||
self._jobjects = None
|
||||
self._query = {}
|
||||
self._selected_entry = False
|
||||
if title is not None or flags is not None or buttons is not None:
|
||||
logging.warning('Invocation of ObjectChooser() has deprecated '
|
||||
'parameters.')
|
||||
|
||||
self._box = hippo.CanvasBox()
|
||||
self._box.props.background_color = style.COLOR_PANEL_GREY.get_int()
|
||||
self._box.props.spacing = style.DEFAULT_SPACING
|
||||
self._box.props.padding = style.DEFAULT_SPACING
|
||||
if parent is None:
|
||||
parent_xid = 0
|
||||
elif hasattr(parent, 'window') and hasattr(parent.window, 'xid'):
|
||||
parent_xid = parent.window.xid
|
||||
else:
|
||||
parent_xid = parent
|
||||
|
||||
canvas = hippo.Canvas()
|
||||
canvas.set_root(self._box)
|
||||
self._parent_xid = parent_xid
|
||||
self._main_loop = None
|
||||
self._object_id = None
|
||||
self._bus = None
|
||||
self._chooser_id = None
|
||||
self._response_code = gtk.RESPONSE_NONE
|
||||
|
||||
scrolled_window = gtk.ScrolledWindow()
|
||||
scrolled_window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
|
||||
def run(self):
|
||||
self._object_id = None
|
||||
|
||||
scrolled_window.add_with_viewport(canvas)
|
||||
canvas.show()
|
||||
self._main_loop = gobject.MainLoop()
|
||||
|
||||
self.vbox.add(scrolled_window)
|
||||
scrolled_window.show()
|
||||
self._bus = dbus.SessionBus(mainloop=self._main_loop)
|
||||
self._bus.add_signal_receiver(
|
||||
self.__name_owner_changed_cb,
|
||||
signal_name="NameOwnerChanged",
|
||||
dbus_interface="org.freedesktop.DBus",
|
||||
arg0=J_DBUS_SERVICE)
|
||||
|
||||
scrolled_window.props.shadow_type = gtk.SHADOW_NONE
|
||||
scrolled_window.get_child().props.shadow_type = gtk.SHADOW_NONE
|
||||
obj = self._bus.get_object(J_DBUS_SERVICE, J_DBUS_PATH)
|
||||
journal = dbus.Interface(obj, J_DBUS_INTERFACE)
|
||||
journal.connect_to_signal('ObjectChooserResponse',
|
||||
self.__chooser_response_cb)
|
||||
journal.connect_to_signal('ObjectChooserCancelled',
|
||||
self.__chooser_cancelled_cb)
|
||||
self._chooser_id = journal.ChooseObject(self._parent_xid)
|
||||
|
||||
self.refresh()
|
||||
gtk.gdk.threads_leave()
|
||||
try:
|
||||
self._main_loop.run()
|
||||
finally:
|
||||
gtk.gdk.threads_enter()
|
||||
self._main_loop = None
|
||||
|
||||
height = self.get_screen().get_height() * 3 / 4
|
||||
width = self.get_screen().get_width() * 3 / 4
|
||||
self.set_default_size(width, height)
|
||||
|
||||
def update_with_query(self, query):
|
||||
self._query = query
|
||||
self.refresh()
|
||||
|
||||
def refresh(self):
|
||||
logging.debug('ListView.refresh: %r' % self._query)
|
||||
self._jobjects, total_count = datastore.find(self._query, sorting=['-mtime'])
|
||||
self._update()
|
||||
|
||||
def _update(self):
|
||||
self._box.remove_all()
|
||||
for jobject in self._jobjects:
|
||||
entry_view = CollapsedEntry(jobject)
|
||||
entry_view.connect('button-release-event',
|
||||
self._entry_view_button_release_event_cb)
|
||||
self._box.append(entry_view)
|
||||
|
||||
def _entry_view_button_release_event_cb(self, entry_view, event):
|
||||
if self._selected_entry:
|
||||
self._selected_entry.set_selected(False)
|
||||
entry_view.set_selected(True)
|
||||
self._selected_entry = entry_view
|
||||
return self._response_code
|
||||
|
||||
def get_selected_object(self):
|
||||
if self._selected_entry:
|
||||
return self._selected_entry.jobject
|
||||
else:
|
||||
if self._object_id is None:
|
||||
return None
|
||||
|
||||
class CollapsedEntry(CanvasRoundBox):
|
||||
_DATE_COL_WIDTH = style.zoom(100)
|
||||
_BUDDIES_COL_WIDTH = style.zoom(50)
|
||||
|
||||
def __init__(self, jobject):
|
||||
CanvasRoundBox.__init__(self)
|
||||
self.props.box_height = style.zoom(75)
|
||||
self.props.spacing = style.DEFAULT_SPACING
|
||||
self.props.border_color = style.COLOR_BLACK.get_int()
|
||||
self.props.background_color = style.COLOR_PANEL_GREY.get_int()
|
||||
|
||||
self.jobject = jobject
|
||||
self._icon_name = None
|
||||
|
||||
date = hippo.CanvasText(text=self._format_date(),
|
||||
xalign=hippo.ALIGNMENT_START,
|
||||
font_desc=style.FONT_NORMAL.get_pango_desc(),
|
||||
box_width=self._DATE_COL_WIDTH)
|
||||
self.append(date)
|
||||
|
||||
icon = CanvasIcon(icon_name=self._get_icon_name(),
|
||||
box_width=style.zoom(75))
|
||||
|
||||
if self.jobject.metadata.has_key('icon-color'):
|
||||
icon.props.xo_color = XoColor(self.jobject.metadata['icon-color'])
|
||||
|
||||
self.append(icon)
|
||||
|
||||
title = hippo.CanvasText(text=self._format_title(),
|
||||
xalign=hippo.ALIGNMENT_START,
|
||||
font_desc=style.FONT_BOLD.get_pango_desc(),
|
||||
size_mode=hippo.CANVAS_SIZE_WRAP_WORD)
|
||||
self.append(title)
|
||||
|
||||
def _get_icon_name(self):
|
||||
if self._icon_name:
|
||||
return self._icon_name
|
||||
|
||||
if self.jobject.is_activity_bundle():
|
||||
bundle = ActivityBundle(self.jobject.file_path)
|
||||
self._icon_name = bundle.get_icon()
|
||||
|
||||
if self.jobject.metadata['activity']:
|
||||
service_name = self.jobject.metadata['activity']
|
||||
activity_info = activity.get_registry().get_activity(service_name)
|
||||
if activity_info:
|
||||
self._icon_name = activity_info.icon
|
||||
|
||||
mime_type = self.jobject.metadata['mime_type']
|
||||
if not self._icon_name and mime_type:
|
||||
self._icon_name = mime.get_mime_icon(mime_type)
|
||||
if not self._icon_name:
|
||||
self._icon_name = 'image-missing'
|
||||
|
||||
return self._icon_name
|
||||
|
||||
def _format_date(self):
|
||||
""" Convert from a string in iso format to a more human-like format. """
|
||||
return _get_elapsed_string(self.jobject.metadata['mtime'])
|
||||
|
||||
def _format_title(self):
|
||||
return '"%s"' % self.jobject.metadata['title']
|
||||
|
||||
def set_selected(self, selected):
|
||||
if selected:
|
||||
self.props.border_color = style.COLOR_WHITE.get_int()
|
||||
self.props.background_color = style.COLOR_WHITE.get_int()
|
||||
else:
|
||||
self.props.border_color = style.COLOR_BLACK.get_int()
|
||||
self.props.background_color = style.COLOR_PANEL_GREY.get_int()
|
||||
return datastore.get(self._object_id)
|
||||
|
||||
def _get_elapsed_string(date_string, max_levels=2):
|
||||
ti = time.strptime(date_string, "%Y-%m-%dT%H:%M:%S")
|
||||
def destroy(self):
|
||||
self._cleanup()
|
||||
|
||||
units = [[_('%d year'), _('%d years'), 356 * 24 * 60 * 60],
|
||||
[_('%d month'), _('%d months'), 30 * 24 * 60 * 60],
|
||||
[_('%d week'), _('%d weeks'), 7 * 24 * 60 * 60],
|
||||
[_('%d day'), _('%d days'), 24 * 60 * 60],
|
||||
[_('%d hour'), _('%d hours'), 60 * 60],
|
||||
[_('%d minute'), _('%d minutes'), 60],
|
||||
[_('%d second'), _('%d seconds'), 1]]
|
||||
levels = 0
|
||||
result = ''
|
||||
elapsed_seconds = int(time.time() - time.mktime(ti))
|
||||
for name_singular, name_plural, factor in units:
|
||||
elapsed_units = elapsed_seconds / factor
|
||||
if elapsed_units > 0:
|
||||
def _cleanup(self):
|
||||
if self._main_loop is not None:
|
||||
self._main_loop.quit()
|
||||
self._main_loop = None
|
||||
self._bus = None
|
||||
|
||||
if levels > 0:
|
||||
if max_levels - levels == 1:
|
||||
result += _(' and ')
|
||||
else:
|
||||
result += _(', ')
|
||||
def __chooser_response_cb(self, chooser_id, object_id):
|
||||
if chooser_id != self._chooser_id:
|
||||
return
|
||||
logging.debug('ObjectChooser.__chooser_response_cb: %r' % object_id)
|
||||
self._response_code = gtk.RESPONSE_ACCEPT
|
||||
self._object_id = object_id
|
||||
self._cleanup()
|
||||
|
||||
if elapsed_units == 1:
|
||||
result += name_singular % elapsed_units
|
||||
else:
|
||||
result += name_plural % elapsed_units
|
||||
elapsed_seconds -= elapsed_units * factor
|
||||
levels += 1
|
||||
def __chooser_cancelled_cb(self, chooser_id):
|
||||
if chooser_id != self._chooser_id:
|
||||
return
|
||||
logging.debug('ObjectChooser.__chooser_cancelled_cb: %r' % chooser_id)
|
||||
self._response_code = gtk.RESPONSE_CANCEL
|
||||
self._cleanup()
|
||||
|
||||
if levels == max_levels:
|
||||
break
|
||||
|
||||
return result
|
||||
def __name_owner_changed_cb(self, name, old, new):
|
||||
logging.debug('ObjectChooser.__name_owner_changed_cb')
|
||||
# Journal service disappeared from the bus
|
||||
self._response_code = gtk.RESPONSE_CANCEL
|
||||
self._cleanup()
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user