sugar-toolkit-gtk3/sugar/graphics/objectchooser.py
2007-09-04 16:01:42 +02:00

210 lines
7.5 KiB
Python

# Copyright (C) 2007, One Laptop Per Child
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import logging
import time
from gettext import gettext as _
import gtk
import hippo
from sugar.activity.bundle import Bundle
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.objects import objecttype
# 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.
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))
self._jobjects = None
self._query = {}
self._selected_entry = False
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
canvas = hippo.Canvas()
canvas.set_root(self._box)
scrolled_window = gtk.ScrolledWindow()
scrolled_window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
scrolled_window.add_with_viewport(canvas)
canvas.show()
self.vbox.add(scrolled_window)
scrolled_window.show()
scrolled_window.props.shadow_type = gtk.SHADOW_NONE
scrolled_window.get_child().props.shadow_type = gtk.SHADOW_NONE
self.refresh()
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
def get_selected_object(self):
if self._selected_entry:
return self._selected_entry.jobject
else:
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_bundle():
bundle = Bundle(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:
type = objecttype.get_registry().get_type_for_mime(mime_type)
if type:
self._icon_name = type.icon
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()
def _get_elapsed_string(date_string, max_levels=2):
ti = time.strptime(date_string, "%Y-%m-%dT%H:%M:%S")
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:
if levels > 0:
if max_levels - levels == 1:
result += _(' and ')
else:
result += _(', ')
if elapsed_units == 1:
result += name_singular % elapsed_units
else:
result += name_plural % elapsed_units
elapsed_seconds -= elapsed_units * factor
levels += 1
if levels == max_levels:
break
return result