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# -*- coding: utf-8 -*-
# Authors: Alejandro J. Cura <alecu@canonical.com>
#
# Copyright 2011 Canonical Ltd.
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
"""The user interface for the control panel for Ubuntu One."""
from __future__ import division
import os
from PyQt4 import QtGui, QtCore
from twisted.internet import defer
from ubuntuone.controlpanel.logger import setup_logging, log_call
from ubuntuone.controlpanel.gui import (
ALWAYS_SUBSCRIBED,
EXPLORE,
FOLDER_ICON_NAME,
FOLDER_OWNED_BY,
FOLDER_SHARED_BY,
FOLDERS_CONFIRM_MERGE,
MANAGE_FILES_LINK,
MUSIC_ICON_NAME,
MUSIC_DISPLAY_NAME,
MUSIC_REAL_PATH,
NAME_NOT_SET,
SHARE_ICON_NAME,
SYNC_LOCALLY,
)
from ubuntuone.controlpanel.gui.qt import uri_hook, icon_from_name
from ubuntuone.controlpanel.gui.qt.ubuntuonebin import UbuntuOneBin
from ubuntuone.controlpanel.gui.qt.ui import folders_ui
logger = setup_logging('qt.folders')
FOLDER_NAME_COL = 0
SUBSCRIPTION_COL = 1
EXPLORE_COL = 2
CANCEL = QtGui.QMessageBox.Cancel
CHECKED = QtCore.Qt.Checked
CLOSE = QtGui.QMessageBox.Close
NO = QtGui.QMessageBox.No
UNCHECKED = QtCore.Qt.Unchecked
YES = QtGui.QMessageBox.Yes
class FoldersPanel(UbuntuOneBin):
"""The Folders Tab Panel widget"""
ui_class = folders_ui
logger = logger
def _setup(self):
"""Do some extra setupping for the UI."""
super(FoldersPanel, self)._setup()
self.ui.add_folder_button.folderCreated.connect(self.on_folder_created)
headers = self.ui.folders.header()
headers.setResizeMode(FOLDER_NAME_COL, headers.Stretch)
headers.setResizeMode(SUBSCRIPTION_COL, headers.ResizeToContents)
headers.setResizeMode(EXPLORE_COL, headers.ResizeToContents)
headers.setStretchLastSection(False)
self.ui.share_publish_button.uri = MANAGE_FILES_LINK
icon = icon_from_name('external_icon_orange')
self.ui.share_publish_button.setIcon(icon)
@log_call(logger.info)
def on_folder_created(self, new_folder):
"""Reload folder info after folder creation."""
self.is_processing = True
# hack to ensure that syncdaemon updates the folder list.
# pylint: disable=W0404, E1101
from twisted.internet import reactor
reactor.callLater(2, self.load)
# pylint: disable=E0202
@defer.inlineCallbacks
def load(self):
"""Load specific tab info."""
self.is_processing = True
info = yield self.backend.volumes_info(with_storage_info=False)
self.process_info(info)
def _process_name(self, name):
"""Tweak 'name' with a translatable music folder name."""
if name == MUSIC_REAL_PATH:
result = MUSIC_DISPLAY_NAME
else:
result = name
return result
@log_call(logger.debug)
def process_info(self, info):
"""Load folders info into the tree view."""
self.ui.folders.clear()
self.is_processing = False
for name, _, volumes in info: # ignore free_bytes
if self.backend.NAME_NOT_SET in name:
name = NAME_NOT_SET
if name:
name = FOLDER_SHARED_BY % {'other_user_display_name': name}
else:
name = FOLDER_OWNED_BY
item = QtGui.QTreeWidgetItem()
item.setText(FOLDER_NAME_COL, name)
item.setText(SUBSCRIPTION_COL, SYNC_LOCALLY)
item.setSizeHint(FOLDER_NAME_COL, QtCore.QSize(-1, 20))
brush = QtGui.QBrush(QtGui.QColor('#d6d3cf'))
for col in (FOLDER_NAME_COL, SUBSCRIPTION_COL, EXPLORE_COL):
item.setBackground(col, brush)
item.is_empty = False
self.ui.folders.addTopLevelItem(item)
for volume in volumes:
is_root = volume[u'type'] == self.backend.ROOT_TYPE
is_share = volume[u'type'] == self.backend.SHARE_TYPE
child = QtGui.QTreeWidgetItem()
child.setSizeHint(FOLDER_NAME_COL, QtCore.QSize(-1, 35))
if is_share and 'realpath' in volume:
child.volume_path = volume['realpath']
else:
child.volume_path = volume['path']
child.volume_id = volume['volume_id']
name = self._process_name(volume[u'display_name'])
child.setText(FOLDER_NAME_COL, name)
child.setToolTip(FOLDER_NAME_COL, name)
child.setToolTip(EXPLORE_COL, EXPLORE)
icon_name = FOLDER_ICON_NAME
if is_share:
icon_name = SHARE_ICON_NAME
elif name == MUSIC_DISPLAY_NAME:
icon_name = MUSIC_ICON_NAME
icon = icon_from_name(icon_name)
if is_root:
child.setText(SUBSCRIPTION_COL, ALWAYS_SUBSCRIBED)
else: # set check state
if bool(volume[u'subscribed']):
child.setCheckState(SUBSCRIPTION_COL, CHECKED)
else:
child.setCheckState(SUBSCRIPTION_COL, UNCHECKED)
pixmap = icon.pixmap(24, icon.Disabled, icon.Off)
icon = QtGui.QIcon(pixmap)
icon.icon_name = icon_name
child.icon_obj = icon # hack!
child.setIcon(FOLDER_NAME_COL, icon)
item.addChild(child)
# attach a third item with a button to explore the folder
model_index = self.ui.folders.indexFromItem(child, EXPLORE_COL)
button = QtGui.QPushButton(parent=self.ui.folders)
button.setFlat(True)
icon = icon_from_name(FOLDER_ICON_NAME)
button.icon_obj = icon # hack!
button.setIcon(icon_from_name(FOLDER_ICON_NAME))
button.setIconSize(QtCore.QSize(12, 12))
button.setText(EXPLORE)
button.setObjectName('explore_folder_button')
policy = QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed,
QtGui.QSizePolicy.Fixed)
button.setSizePolicy(policy)
button.setEnabled(bool(volume[u'subscribed']))
# Operator not preceded by a space
# pylint: disable=C0322
cb = lambda checked, item=child: \
self.on_folders_itemActivated(item)
# pylint: enable=C0322
button.clicked.connect(cb)
self.ui.folders.setIndexWidget(model_index, button)
self.ui.folders.expandAll()
# Invalid name "on_folders_itemActivated", "on_folders_itemChanged"
# pylint: disable=C0103
def on_folders_itemActivated(self, item, column=None):
"""User activated a given row, open the path in a file browser."""
volume_path = getattr(item, 'volume_path', None)
if volume_path is None:
logger.warning('on_folders_itemActivated: volume_path for item %r '
'and column %r is None.', item, column)
elif not os.path.exists(volume_path):
logger.warning('on_folders_itemActivated: stored path %r '
'does not exist.', volume_path)
else:
uri = unicode(QtCore.QUrl.fromLocalFile(volume_path).toString())
uri_hook(uri)
@defer.inlineCallbacks
def on_folders_itemChanged(self, item, column=None):
"""User changed the subscription for a given folder."""
volume_id = item.volume_id
volume_path = item.volume_path
if volume_id is None:
logger.warning('on_folders_itemChanged: volume_id for item %r '
'and column %r is None.', item, column)
return
if self.is_processing:
# ignore signals when the UI is being updated
return
subscribed = item.checkState(SUBSCRIPTION_COL) == CHECKED # new state
logger.info('on_folders_itemChanged: processing volume id %r with '
'path %r, new subscribed value is: %r. Path exists? %r',
volume_id, volume_path, subscribed,
os.path.exists(volume_path))
response = YES
if subscribed and os.path.exists(volume_path):
text = FOLDERS_CONFIRM_MERGE % {'folder_path': volume_path}
buttons = YES | NO | CANCEL
response = QtGui.QMessageBox.warning(self, '', text, buttons, YES)
self.is_processing = True
if response == YES:
# user accepted, merge the folder content
yield self.backend.change_volume_settings(volume_id,
{'subscribed': subscribed})
self.load()
else:
# restore old value
old = UNCHECKED if subscribed else CHECKED
item.setCheckState(SUBSCRIPTION_COL, old)
self.is_processing = False
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