sugar-toolkit-gtk3/lib/sugar/graphics/objectchooser.py

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# 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
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from gettext import gettext as _
import gtk
import hippo
from sugar.bundle.activitybundle import ActivityBundle
from sugar.graphics import style
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from sugar.graphics.icon import CanvasIcon
from sugar.graphics.xocolor import XoColor
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from sugar.graphics.roundbox import CanvasRoundBox
from sugar.datastore import datastore
from sugar import activity
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# 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()
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self._box.props.background_color = style.COLOR_PANEL_GREY.get_int()
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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):
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_DATE_COL_WIDTH = style.zoom(100)
_BUDDIES_COL_WIDTH = style.zoom(50)
def __init__(self, jobject):
CanvasRoundBox.__init__(self)
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self.props.box_height = style.zoom(75)
self.props.spacing = style.DEFAULT_SPACING
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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(),
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box_width=style.zoom(75))
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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:
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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. """
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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:
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self.props.border_color = style.COLOR_WHITE.get_int()
self.props.background_color = style.COLOR_WHITE.get_int()
else:
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self.props.border_color = style.COLOR_BLACK.get_int()
self.props.background_color = style.COLOR_PANEL_GREY.get_int()
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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