# 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
import logging
from gettext import gettext as _
import StringIO
import time
import os
import cairo
import gobject
import gtk
import simplejson
from sugar.graphics import style
from sugar.graphics.icon import CanvasIcon
from sugar.graphics.xocolor import XoColor
from sugar.graphics.canvastextview import CanvasTextView
from sugar.util import format_size
from jarabe.journal.keepicon import KeepIcon
from jarabe.journal.palettes import ObjectPalette, BuddyPalette
from jarabe.journal import misc
from jarabe.journal import model
class Separator(gtk.VBox):
def __init__(self, orientation):
gtk.VBox.__init__(self,
background_color=style.COLOR_PANEL_GREY.get_gdk_color())
class BuddyList(gtk.Alignment):
def __init__(self, buddies):
gtk.Alignment.__init__(self, 0, 0, 0, 0)
hbox = gtk.HBox()
for buddy in buddies:
nick_, color = buddy
icon = CanvasIcon(icon_name='computer-xo',
xo_color=XoColor(color),
size=style.STANDARD_ICON_SIZE)
icon.set_palette(BuddyPalette(buddy))
hbox.pack_start(icon)
self.add(hbox)
class ExpandedEntry(gtk.EventBox):
def __init__(self):
gtk.EventBox.__init__(self)
# We need an EventBox in order to set the border and background color.
self.modify_bg(gtk.STATE_NORMAL, style.COLOR_WHITE.get_gdk_color())
self.set_border_width(style.DEFAULT_SPACING)
self._metadata = None
self._update_title_sid = None
# Everything will go into vbox
vbox = gtk.VBox()
self.add(vbox)
# Create a header
header = gtk.HBox()
vbox.pack_start(header, False, False, style.DEFAULT_SPACING * 2)
# Create a two-column body
body_box = gtk.EventBox()
body_box.set_border_width(style.DEFAULT_SPACING)
body_box.modify_bg(gtk.STATE_NORMAL, style.COLOR_WHITE.get_gdk_color())
vbox.pack_start(body_box)
body = gtk.HBox()
body_box.add(body)
first_column = gtk.VBox()
body.pack_start(first_column, False, False, style.DEFAULT_SPACING)
second_column = gtk.VBox()
body.pack_start(second_column)
# Header
self._keep_icon = self._create_keep_icon()
header.pack_start(self._keep_icon, False, False, style.DEFAULT_SPACING)
self._icon = None
self._icon_box = gtk.HBox()
header.pack_start(self._icon_box, False, False, style.DEFAULT_SPACING)
self._title = self._create_title()
header.pack_start(self._title)
# TODO: create a version list popup instead of a date label
self._date = self._create_date()
header.pack_start(self._date, False, False, style.DEFAULT_SPACING)
if gtk.widget_get_default_direction() == gtk.TEXT_DIR_RTL:
header.reverse()
# First body column
self._preview_box = gtk.VBox()
first_column.pack_start(self._preview_box)
self._technical_box = gtk.VBox()
first_column.pack_start(self._technical_box)
# Second body column
description_box, self._description = self._create_description()
second_column.pack_start(description_box, True, True,
style.DEFAULT_SPACING)
tags_box, self._tags = self._create_tags()
second_column.pack_start(tags_box, True, True,
style.DEFAULT_SPACING)
self._buddy_list = gtk.VBox()
second_column.pack_start(self._buddy_list)
self.show_all()
def set_metadata(self, metadata):
if self._metadata == metadata:
return
self._metadata = metadata
self._keep_icon.keep = (int(metadata.get('keep', 0)) == 1)
self._icon = self._create_icon()
self._icon_box.foreach(self._icon_box.remove)
self._icon_box.pack_start(self._icon, False, False,
style.DEFAULT_SPACING)
self._date.set_text(misc.get_date(metadata))
self._title.set_text(metadata.get('title', _('Untitled')))
self._preview_box.foreach(self._preview_box.remove)
self._preview_box.pack_start(self._create_preview(), False, False,
style.DEFAULT_SPACING)
self._technical_box.foreach(self._technical_box.remove)
self._technical_box.pack_start(self._create_technical(),
False, False, style.DEFAULT_SPACING)
self._buddy_list.foreach(self._buddy_list.remove)
self._buddy_list.pack_start(self._create_buddy_list(), False, False,
style.DEFAULT_SPACING)
self._description.get_buffer().set_text(metadata.get('description', ''))
self._tags.get_buffer().set_text(metadata.get('tags', ''))
def _create_keep_icon(self):
keep_icon = KeepIcon(False)
# TODO: figure out proper signals
# keep_icon.connect('activate', self._keep_icon_activated_cb)
return keep_icon
def _create_icon(self):
icon = CanvasIcon(file_name=misc.get_icon_name(self._metadata),
size=style.MEDIUM_ICON_SIZE)
icon.connect_after('button-release-event',
self._icon_button_release_event_cb)
if misc.is_activity_bundle(self._metadata):
xo_color = XoColor('%s,%s' % (style.COLOR_BUTTON_GREY.get_svg(),
style.COLOR_TRANSPARENT.get_svg()))
else:
xo_color = misc.get_icon_color(self._metadata)
icon.props.xo_color = xo_color
icon.set_palette(ObjectPalette(self._metadata))
return icon
def _create_title(self):
entry = gtk.Entry()
entry.connect('focus-out-event', self._title_focus_out_event_cb)
bg_color = style.COLOR_WHITE.get_gdk_color()
entry.modify_bg(gtk.STATE_INSENSITIVE, bg_color)
entry.modify_base(gtk.STATE_INSENSITIVE, bg_color)
return entry
def _create_date(self):
date = gtk.Label()
return date
def _create_preview(self):
width = style.zoom(320)
height = style.zoom(240)
box = gtk.HBox()
if len(self._metadata.get('preview', '')) > 4:
if self._metadata['preview'][1:4] == 'PNG':
preview_data = self._metadata['preview']
else:
# TODO: We are close to be able to drop this.
import base64
preview_data = base64.b64decode(
self._metadata['preview'])
png_file = StringIO.StringIO(preview_data)
try:
surface = cairo.ImageSurface.create_from_png(png_file)
pixmap = gtk.gdk.Pixmap(None, width, height, 24)
cr = pixmap.cairo_create()
cr.set_source_surface(surface, 0, 0)
cr.paint()
im = gtk.Image()
im.set_from_pixmap(pixmap, None)
has_preview = True
except Exception:
logging.exception('Error while loading the preview')
has_preview = False
else:
has_preview = False
if has_preview:
box.pack_start(im)
else:
label = gtk.Label()
label.set_text(_('No preview'))
box.pack_start(label)
box.connect_after('button-release-event',
self._preview_box_button_release_event_cb)
return box
def _create_technical(self):
vbox = gtk.VBox()
vbox.props.spacing = style.DEFAULT_SPACING
label = \
_('Kind: %s') % (self._metadata.get('mime_type') or \
_('Unknown'),) + '\n' + \
_('Date: %s') % (self._format_date(),) + '\n' + \
_('Size: %s') % (format_size(int(self._metadata.get(
'filesize',
model.get_file_size(self._metadata['uid'])))))
text = gtk.Label()
text.set_markup('%s' % (
style.COLOR_BUTTON_GREY.get_html(), label))
halign = gtk.Alignment(0, 0, 0, 0)
halign.add(text)
vbox.pack_start(halign, False, False, 0)
return vbox
def _format_date(self):
if 'timestamp' in self._metadata:
try:
timestamp = float(self._metadata['timestamp'])
except (ValueError, TypeError):
logging.warning('Invalid timestamp for %r: %r',
self._metadata['uid'],
self._metadata['timestamp'])
else:
return time.strftime('%x', time.localtime(timestamp))
return _('No date')
def _create_buddy_list(self):
vbox = gtk.VBox()
vbox.props.spacing = style.DEFAULT_SPACING
text = gtk.Label()
text.set_markup('%s' % (
style.COLOR_BUTTON_GREY.get_html(), _('Participants:')))
halign = gtk.Alignment(0, 0, 0, 0)
halign.add(text)
vbox.pack_start(halign, False, False, 0)
if self._metadata.get('buddies'):
buddies = simplejson.loads(self._metadata['buddies']).values()
vbox.pack_start(BuddyList(buddies), False, False, 0)
return vbox
else:
return vbox
def _create_scrollable(self, label):
vbox = gtk.VBox()
vbox.props.spacing = style.DEFAULT_SPACING
text = gtk.Label()
text.set_markup('%s' % (
style.COLOR_BUTTON_GREY.get_html(), label))
halign = gtk.Alignment(0, 0, 0, 0)
halign.add(text)
vbox.pack_start(halign, False, False, 0)
scrolled_window = gtk.ScrolledWindow()
scrolled_window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
scrolled_window.set_border_width(style.LINE_WIDTH)
text_buffer = gtk.TextBuffer()
text_view = gtk.TextView(text_buffer)
scrolled_window.add_with_viewport(text_view)
vbox.pack_start(scrolled_window)
# FIXME:
# text_view.text_view_widget.connect('focus-out-event',
# self._description_focus_out_event_cb)
return vbox, text_view
def _create_description(self):
return self._create_scrollable(_('Description:'))
def _create_tags(self):
return self._create_scrollable(_('Tags:'))
def _title_notify_text_cb(self, entry, pspec):
if not self._update_title_sid:
self._update_title_sid = gobject.timeout_add_seconds(1,
self._update_title_cb)
def _title_focus_out_event_cb(self, entry, event):
self._update_entry()
def _description_focus_out_event_cb(self, text_view, event):
self._update_entry()
def _tags_focus_out_event_cb(self, text_view, event):
self._update_entry()
def _update_entry(self, needs_update=False):
if not model.is_editable(self._metadata):
return
old_title = self._metadata.get('title', None)
new_title = self._title.get_text()
if old_title != new_title:
self._icon.palette.props.primary_text = new_title
self._metadata['title'] = new_title
self._metadata['title_set_by_user'] = '1'
needs_update = True
old_tags = self._metadata.get('tags', None)
new_tags = self._tags.get_text()
if old_tags != new_tags:
self._metadata['tags'] = new_tags
needs_update = True
old_description = self._metadata.get('description', None)
new_description = \
self._description.get_text()
if old_description != new_description:
self._metadata['description'] = new_description
needs_update = True
if needs_update:
if self._metadata.get('mountpoint', '/') == '/':
model.write(self._metadata, update_mtime=False)
else:
old_file_path = os.path.join(self._metadata['mountpoint'],
model.get_file_name(old_title,
self._metadata['mime_type']))
model.write(self._metadata, file_path=old_file_path,
update_mtime=False)
self._update_title_sid = None
def get_keep(self):
return int(self._metadata.get('keep', 0)) == 1
def _keep_icon_activated_cb(self, keep_icon):
if self.get_keep():
self._metadata['keep'] = 0
else:
self._metadata['keep'] = 1
self._update_entry(needs_update=True)
keep_icon.props.keep = self.get_keep()
def _icon_button_release_event_cb(self, button, event):
logging.debug('_icon_button_release_event_cb')
misc.resume(self._metadata)
return True
def _preview_box_button_release_event_cb(self, button, event):
logging.debug('_preview_box_button_release_event_cb')
misc.resume(self._metadata)
return True