Source code for openlp.core.ui.projector.editform
# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2017 OpenLP Developers #
# --------------------------------------------------------------------------- #
# 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 #
###############################################################################
"""
:mod: `openlp.core.ui.projector.editform` module
Provides the functions for adding/editing entries in the projector database.
"""
import logging
log = logging.getLogger(__name__)
log.debug('editform loaded')
from PyQt5 import QtCore, QtWidgets
from openlp.core.common import translate, verify_ip_address
from openlp.core.lib import build_icon
from openlp.core.lib.projector.db import Projector
from openlp.core.lib.projector.constants import PJLINK_PORT
[docs]class Ui_ProjectorEditForm(object):
"""
The :class:`~openlp.core.lib.ui.projector.editform.Ui_ProjectorEditForm` class defines
the user interface for the ProjectorEditForm dialog.
"""
[docs] def setupUi(self, edit_projector_dialog):
"""
Create the interface layout.
"""
edit_projector_dialog.setObjectName('edit_projector_dialog')
edit_projector_dialog.setWindowIcon(build_icon(':/icon/openlp-logo.svg'))
edit_projector_dialog.setMinimumWidth(400)
edit_projector_dialog.setModal(True)
# Define the basic layout
self.dialog_layout = QtWidgets.QGridLayout(edit_projector_dialog)
self.dialog_layout.setObjectName('dialog_layout')
self.dialog_layout.setSpacing(8)
self.dialog_layout.setContentsMargins(8, 8, 8, 8)
# IP Address
self.ip_label = QtWidgets.QLabel(edit_projector_dialog)
self.ip_label.setObjectName('projector_edit_ip_label')
self.ip_text = QtWidgets.QLineEdit(edit_projector_dialog)
self.ip_text.setObjectName('projector_edit_ip_text')
self.dialog_layout.addWidget(self.ip_label, 0, 0)
self.dialog_layout.addWidget(self.ip_text, 0, 1)
# Port number
self.port_label = QtWidgets.QLabel(edit_projector_dialog)
self.port_label.setObjectName('projector_edit_ip_label')
self.port_text = QtWidgets.QLineEdit(edit_projector_dialog)
self.port_text.setObjectName('projector_edit_port_text')
self.dialog_layout.addWidget(self.port_label, 1, 0)
self.dialog_layout.addWidget(self.port_text, 1, 1)
# PIN
self.pin_label = QtWidgets.QLabel(edit_projector_dialog)
self.pin_label.setObjectName('projector_edit_pin_label')
self.pin_text = QtWidgets.QLineEdit(edit_projector_dialog)
self.pin_label.setObjectName('projector_edit_pin_text')
self.dialog_layout.addWidget(self.pin_label, 2, 0)
self.dialog_layout.addWidget(self.pin_text, 2, 1)
# Name
self.name_label = QtWidgets.QLabel(edit_projector_dialog)
self.name_label.setObjectName('projector_edit_name_label')
self.name_text = QtWidgets.QLineEdit(edit_projector_dialog)
self.name_text.setObjectName('projector_edit_name_text')
self.dialog_layout.addWidget(self.name_label, 3, 0)
self.dialog_layout.addWidget(self.name_text, 3, 1)
# Location
self.location_label = QtWidgets.QLabel(edit_projector_dialog)
self.location_label.setObjectName('projector_edit_location_label')
self.location_text = QtWidgets.QLineEdit(edit_projector_dialog)
self.location_text.setObjectName('projector_edit_location_text')
self.dialog_layout.addWidget(self.location_label, 4, 0)
self.dialog_layout.addWidget(self.location_text, 4, 1)
# Notes
self.notes_label = QtWidgets.QLabel(edit_projector_dialog)
self.notes_label.setObjectName('projector_edit_notes_label')
self.notes_text = QtWidgets.QPlainTextEdit(edit_projector_dialog)
self.notes_text.setObjectName('projector_edit_notes_text')
self.dialog_layout.addWidget(self.notes_label, 5, 0, alignment=QtCore.Qt.AlignTop)
self.dialog_layout.addWidget(self.notes_text, 5, 1)
# Time for the buttons
self.button_box = QtWidgets.QDialogButtonBox(QtWidgets.QDialogButtonBox.Help |
QtWidgets.QDialogButtonBox.Save |
QtWidgets.QDialogButtonBox.Cancel)
self.dialog_layout.addWidget(self.button_box, 8, 0, 1, 2)
[docs] def retranslateUi(self, edit_projector_dialog):
if self.new_projector:
title = translate('OpenLP.ProjectorEditForm', 'Add New Projector')
self.projector.port = PJLINK_PORT
else:
title = translate('OpenLP.ProjectorEditForm', 'Edit Projector')
edit_projector_dialog.setWindowTitle(title)
self.ip_label.setText(translate('OpenLP.ProjectorEditForm', 'IP Address'))
self.ip_text.setText(self.projector.ip)
self.ip_text.setFocus()
self.port_label.setText(translate('OpenLP.ProjectorEditForm', 'Port Number'))
self.port_text.setText(str(self.projector.port))
self.pin_label.setText(translate('OpenLP.ProjectorEditForm', 'PIN'))
self.pin_text.setText(self.projector.pin)
self.name_label.setText(translate('OpenLP.ProjectorEditForm', 'Name'))
self.name_text.setText(self.projector.name)
self.location_label.setText(translate('OpenLP.ProjectorEditForm', 'Location'))
self.location_text.setText(self.projector.location)
self.notes_label.setText(translate('OpenLP.ProjectorEditForm', 'Notes'))
self.notes_text.clear()
self.notes_text.insertPlainText(self.projector.notes)
[docs]class ProjectorEditForm(QtWidgets.QDialog, Ui_ProjectorEditForm):
"""
Class to add or edit a projector entry in the database.
Fields that are editable:
ip = Column(String(100))
port = Column(String(8))
pin = Column(String(20))
name = Column(String(20))
location = Column(String(30))
notes = Column(String(200))
"""
newProjector = QtCore.pyqtSignal(str)
editProjector = QtCore.pyqtSignal(object)
def __init__(self, parent=None, projectordb=None):
super(ProjectorEditForm, self).__init__(parent, QtCore.Qt.WindowSystemMenuHint | QtCore.Qt.WindowTitleHint)
self.projectordb = projectordb
self.setupUi(self)
self.button_box.accepted.connect(self.accept_me)
self.button_box.helpRequested.connect(self.help_me)
self.button_box.rejected.connect(self.cancel_me)
[docs] def exec(self, projector=None):
if projector is None:
self.projector = Projector()
self.new_projector = True
else:
self.projector = projector
self.new_projector = False
self.retranslateUi(self)
reply = QtWidgets.QDialog.exec(self)
return reply
[docs] @QtCore.pyqtSlot()
def accept_me(self):
"""
Validate input before accepting input.
"""
log.debug('accept_me() signal received')
if len(self.name_text.text().strip()) < 1:
QtWidgets.QMessageBox.warning(self,
translate('OpenLP.ProjectorEdit', 'Name Not Set'),
translate('OpenLP.ProjectorEdit',
'You must enter a name for this entry.<br />'
'Please enter a new name for this entry.'))
valid = False
return
name = self.name_text.text().strip()
record = self.projectordb.get_projector_by_name(name)
if record is not None and record.id != self.projector.id:
QtWidgets.QMessageBox.warning(self,
translate('OpenLP.ProjectorEdit', 'Duplicate Name'),
translate('OpenLP.ProjectorEdit',
'There is already an entry with name "{name}" in '
'the database as ID "{record}". <br />'
'Please enter a different name.'.format(name=name,
record=record.id)))
valid = False
return
adx = self.ip_text.text()
valid = verify_ip_address(adx)
if valid:
ip = self.projectordb.get_projector_by_ip(adx)
if ip is None:
valid = True
self.new_projector = True
elif ip.id != self.projector.id:
QtWidgets.QMessageBox.warning(self,
translate('OpenLP.ProjectorWizard', 'Duplicate IP Address'),
translate('OpenLP.ProjectorWizard',
'IP address "{ip}"<br />is already in the database '
'as ID {data}.<br /><br />Please Enter a different '
'IP address.'.format(ip=adx, data=ip.id)))
valid = False
return
else:
QtWidgets.QMessageBox.warning(self,
translate('OpenLP.ProjectorWizard', 'Invalid IP Address'),
translate('OpenLP.ProjectorWizard',
'IP address "{ip}"<br>is not a valid IP address.'
'<br /><br />Please enter a valid IP address.'.format(ip=adx)))
valid = False
return
port = int(self.port_text.text())
if port < 1000 or port > 32767:
QtWidgets.QMessageBox.warning(self,
translate('OpenLP.ProjectorWizard', 'Invalid Port Number'),
translate('OpenLP.ProjectorWizard',
'Port numbers below 1000 are reserved for admin use only, '
'<br />and port numbers above 32767 are not currently usable.'
'<br /><br />Please enter a valid port number between '
'1000 and 32767.<br /><br />'
'Default PJLink port is {port}'.format(port=PJLINK_PORT)))
valid = False
if valid:
self.projector.ip = self.ip_text.text()
self.projector.pin = self.pin_text.text()
self.projector.port = int(self.port_text.text())
self.projector.name = self.name_text.text()
self.projector.location = self.location_text.text()
self.projector.notes = self.notes_text.toPlainText()
if self.new_projector:
saved = self.projectordb.add_projector(self.projector)
else:
saved = self.projectordb.update_projector(self.projector)
if not saved:
QtWidgets.QMessageBox.warning(self,
translate('OpenLP.ProjectorEditForm', 'Database Error'),
translate('OpenLP.ProjectorEditForm',
'There was an error saving projector '
'information. See the log for the error'))
return saved
if self.new_projector:
self.newProjector.emit(adx)
else:
self.editProjector.emit(self.projector)
self.close()
[docs] @QtCore.pyqtSlot()
def help_me(self):
"""
Show a help message about the input fields.
"""
log.debug('help_me() signal received')
[docs] @QtCore.pyqtSlot()
def cancel_me(self):
"""
Cancel button clicked - just close.
"""
log.debug('cancel_me() signal received')
self.close()