openlp/openlp/core/ui/media/playertab.py

266 lines
13 KiB
Python

# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2014 Raoul Snyman #
# Portions copyright (c) 2008-2014 Tim Bentley, Gerald Britton, Jonathan #
# Corwin, Samuel Findlay, Michael Gorven, Scott Guerrieri, Matthias Hub, #
# Meinert Jordan, Armin Köhler, Eric Ludin, Edwin Lunando, Brian T. Meyer, #
# Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias Põldaru, #
# Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith, #
# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Dave Warnock, #
# Erode Woldsund, Martin Zibricky #
# --------------------------------------------------------------------------- #
# 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; version 2 of the License. #
# #
# 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., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
"""
The :mod:`~openlp.core.ui.media.playertab` module holds the configuration tab for the media stuff.
"""
from PyQt4 import QtCore, QtGui
from openlp.core.common import Registry, Settings, UiStrings, translate
from openlp.core.lib import SettingsTab
from openlp.core.lib.ui import create_button
from openlp.core.ui.media import get_media_players, set_media_players
class MediaQCheckBox(QtGui.QCheckBox):
"""
MediaQCheckBox adds an extra property, player_name to the QCheckBox class.
"""
def set_player_name(self, name):
"""
Set the player name
"""
self.player_name = name
class PlayerTab(SettingsTab):
"""
MediaTab is the Media settings tab in the settings dialog.
"""
def __init__(self, parent):
"""
Constructor
"""
self.media_players = Registry().get('media_controller').media_players
self.saved_used_players = None
self.icon_path = ':/media/multimedia-player.png'
player_translated = translate('OpenLP.PlayerTab', 'Players')
super(PlayerTab, self).__init__(parent, 'Players', player_translated)
def setupUi(self):
"""
Set up the UI
"""
self.setObjectName('MediaTab')
super(PlayerTab, self).setupUi()
self.background_color_group_box = QtGui.QGroupBox(self.left_column)
self.background_color_group_box.setObjectName('background_color_group_box')
self.form_layout = QtGui.QFormLayout(self.background_color_group_box)
self.form_layout.setObjectName('form_layout')
self.color_layout = QtGui.QHBoxLayout()
self.background_color_label = QtGui.QLabel(self.background_color_group_box)
self.background_color_label.setObjectName('background_color_label')
self.color_layout.addWidget(self.background_color_label)
self.background_color_button = QtGui.QPushButton(self.background_color_group_box)
self.background_color_button.setObjectName('background_color_button')
self.color_layout.addWidget(self.background_color_button)
self.form_layout.addRow(self.color_layout)
self.information_label = QtGui.QLabel(self.background_color_group_box)
self.information_label.setObjectName('information_label')
self.information_label.setWordWrap(True)
self.form_layout.addRow(self.information_label)
self.left_layout.addWidget(self.background_color_group_box)
self.left_layout.addStretch()
self.right_column.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Preferred)
self.right_layout.addStretch()
self.media_player_group_box = QtGui.QGroupBox(self.left_column)
self.media_player_group_box.setObjectName('media_player_group_box')
self.media_player_layout = QtGui.QVBoxLayout(self.media_player_group_box)
self.media_player_layout.setObjectName('media_player_layout')
self.player_check_boxes = {}
self.left_layout.addWidget(self.media_player_group_box)
self.player_order_group_box = QtGui.QGroupBox(self.left_column)
self.player_order_group_box.setObjectName('player_order_group_box')
self.player_order_layout = QtGui.QHBoxLayout(self.player_order_group_box)
self.player_order_layout.setObjectName('player_order_layout')
self.player_order_list_widget = QtGui.QListWidget(self.player_order_group_box)
size_policy = QtGui.QSizePolicy(QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Expanding)
size_policy.setHorizontalStretch(0)
size_policy.setVerticalStretch(0)
size_policy.setHeightForWidth(self.player_order_list_widget.sizePolicy().hasHeightForWidth())
self.player_order_list_widget.setSizePolicy(size_policy)
self.player_order_list_widget.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAsNeeded)
self.player_order_list_widget.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.player_order_list_widget.setEditTriggers(QtGui.QAbstractItemView.NoEditTriggers)
self.player_order_list_widget.setObjectName('player_order_list_widget')
self.player_order_layout.addWidget(self.player_order_list_widget)
self.ordering_button_layout = QtGui.QVBoxLayout()
self.ordering_button_layout.setObjectName('ordering_button_layout')
self.ordering_button_layout.addStretch(1)
self.ordering_up_button = create_button(self, 'ordering_up_button', role='up',
click=self.on_up_button_clicked)
self.ordering_down_button = create_button(self, 'ordering_down_button', role='down',
click=self.on_down_button_clicked)
self.ordering_button_layout.addWidget(self.ordering_up_button)
self.ordering_button_layout.addWidget(self.ordering_down_button)
self.ordering_button_layout.addStretch(1)
self.player_order_layout.addLayout(self.ordering_button_layout)
self.left_layout.addWidget(self.player_order_group_box)
self.left_layout.addStretch()
self.right_layout.addStretch()
# Signals and slots
self.background_color_button.clicked.connect(self.on_background_color_button_clicked)
def retranslateUi(self):
"""
Translate the UI on the fly
"""
self.media_player_group_box.setTitle(translate('OpenLP.PlayerTab', 'Available Media Players'))
self.player_order_group_box.setTitle(translate('OpenLP.PlayerTab', 'Player Search Order'))
self.background_color_group_box.setTitle(UiStrings().BackgroundColor)
self.background_color_label.setText(UiStrings().DefaultColor)
self.information_label.setText(translate('OpenLP.PlayerTab',
'Visible background for videos with aspect ratio different to screen.'))
self.retranslate_players()
def on_background_color_button_clicked(self):
"""
Set the background color
"""
new_color = QtGui.QColorDialog.getColor(QtGui.QColor(self.background_color), self)
if new_color.isValid():
self.background_color = new_color.name()
self.background_color_button.setStyleSheet('background-color: %s' % self.background_color)
def on_player_check_box_changed(self, check_state):
"""
Add or remove players depending on their status
"""
player = self.sender().player_name
if check_state == QtCore.Qt.Checked:
if player not in self.used_players:
self.used_players.append(player)
else:
if player in self.used_players:
self.used_players.remove(player)
self.update_player_list()
def update_player_list(self):
"""
Update the list of media players
"""
self.player_order_list_widget.clear()
for player in self.used_players:
if player in list(self.player_check_boxes.keys()):
if len(self.used_players) == 1:
# At least one media player has to stay active
self.player_check_boxes['%s' % player].setEnabled(False)
else:
self.player_check_boxes['%s' % player].setEnabled(True)
self.player_order_list_widget.addItem(self.media_players[str(player)].original_name)
def on_up_button_clicked(self):
"""
Move a media player up in the order
"""
row = self.player_order_list_widget.currentRow()
if row <= 0:
return
item = self.player_order_list_widget.takeItem(row)
self.player_order_list_widget.insertItem(row - 1, item)
self.player_order_list_widget.setCurrentRow(row - 1)
self.used_players.insert(row - 1, self.used_players.pop(row))
def on_down_button_clicked(self):
"""
Move a media player down in the order
"""
row = self.player_order_list_widget.currentRow()
if row == -1 or row > self.player_order_list_widget.count() - 1:
return
item = self.player_order_list_widget.takeItem(row)
self.player_order_list_widget.insertItem(row + 1, item)
self.player_order_list_widget.setCurrentRow(row + 1)
self.used_players.insert(row + 1, self.used_players.pop(row))
def load(self):
"""
Load the settings
"""
if self.saved_used_players:
self.used_players = self.saved_used_players
self.used_players = get_media_players()[0]
self.saved_used_players = self.used_players
settings = Settings()
settings.beginGroup(self.settings_section)
self.update_player_list()
self.background_color = settings.value('background color')
self.initial_color = self.background_color
settings.endGroup()
self.background_color_button.setStyleSheet('background-color: %s' % self.background_color)
def save(self):
"""
Save the settings
"""
settings = Settings()
settings.beginGroup(self.settings_section)
settings.setValue('background color', self.background_color)
settings.endGroup()
old_players, override_player = get_media_players()
if self.used_players != old_players:
# clean old Media stuff
set_media_players(self.used_players, override_player)
self.settings_form.register_post_process('mediaitem_suffix_reset')
self.settings_form.register_post_process('mediaitem_media_rebuild')
self.settings_form.register_post_process('config_screen_changed')
def post_set_up(self):
"""
Late setup for players as the MediaController has to be initialised first.
"""
for key, player in self.media_players.items():
player = self.media_players[key]
checkbox = MediaQCheckBox(self.media_player_group_box)
checkbox.setEnabled(player.available)
checkbox.setObjectName(player.name + '_check_box')
checkbox.setToolTip(player.get_info())
checkbox.set_player_name(player.name)
self.player_check_boxes[player.name] = checkbox
checkbox.stateChanged.connect(self.on_player_check_box_changed)
self.media_player_layout.addWidget(checkbox)
if player.available and player.name in self.used_players:
checkbox.setChecked(True)
else:
checkbox.setChecked(False)
self.update_player_list()
self.retranslate_players()
def retranslate_players(self):
"""
Translations for players is dependent on their setup as well
"""
for key in self.media_players and self.player_check_boxes:
player = self.media_players[key]
checkbox = self.player_check_boxes[player.name]
checkbox.set_player_name(player.name)
if player.available:
checkbox.setText(player.display_name)
else:
checkbox.setText(translate('OpenLP.PlayerTab', '%s (unavailable)') % player.display_name)