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Pathedit line endings

This commit is contained in:
Philip Ridout 2017-08-04 18:52:55 +01:00
parent 03bcc194ea
commit a7750e680b
1 changed files with 222 additions and 222 deletions
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openlp/core/ui/lib/pathedit.py
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# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4 # vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
############################################################################### ###############################################################################
# OpenLP - Open Source Lyrics Projection # # OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- # # --------------------------------------------------------------------------- #
# Copyright (c) 2008-2017 OpenLP Developers # # Copyright (c) 2008-2017 OpenLP Developers #
# --------------------------------------------------------------------------- # # --------------------------------------------------------------------------- #
# This program is free software; you can redistribute it and/or modify it # # 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 # # under the terms of the GNU General Public License as published by the Free #
# Software Foundation; version 2 of the License. # # Software Foundation; version 2 of the License. #
# # # #
# This program is distributed in the hope that it will be useful, but WITHOUT # # This program is distributed in the hope that it will be useful, but WITHOUT #
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
# more details. # # more details. #
# # # #
# You should have received a copy of the GNU General Public License along # # 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 # # with this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA # # Temple Place, Suite 330, Boston, MA 02111-1307 USA #
############################################################################### ###############################################################################
from enum import Enum from enum import Enum
from pathlib import Path from pathlib import Path
from PyQt5 import QtCore, QtWidgets from PyQt5 import QtCore, QtWidgets
from openlp.core.common import UiStrings, translate from openlp.core.common import UiStrings, translate
from openlp.core.common.path import path_to_str, str_to_path from openlp.core.common.path import path_to_str, str_to_path
from openlp.core.lib import build_icon from openlp.core.lib import build_icon
from openlp.core.ui.lib.filedialogpatches import PQFileDialog from openlp.core.ui.lib.filedialogpatches import PQFileDialog
class PathType(Enum): class PathType(Enum):
Files = 1 Files = 1
Directories = 2 Directories = 2
class PathEdit(QtWidgets.QWidget): class PathEdit(QtWidgets.QWidget):
""" """
The :class:`~openlp.core.ui.lib.pathedit.PathEdit` class subclasses QWidget to create a custom widget for use when The :class:`~openlp.core.ui.lib.pathedit.PathEdit` class subclasses QWidget to create a custom widget for use when
a file or directory needs to be selected. a file or directory needs to be selected.
""" """
pathChanged = QtCore.pyqtSignal(Path) pathChanged = QtCore.pyqtSignal(Path)
def __init__(self, parent=None, path_type=PathType.Files, default_path=None, dialog_caption=None, show_revert=True): def __init__(self, parent=None, path_type=PathType.Files, default_path=None, dialog_caption=None, show_revert=True):
""" """
Initialise the PathEdit widget Initialise the PathEdit widget
:param parent: The parent of the widget. This is just passed to the super method. :param parent: The parent of the widget. This is just passed to the super method.
:type parent: QWidget or None :type parent: QWidget or None
:param dialog_caption: Used to customise the caption in the QFileDialog. :param dialog_caption: Used to customise the caption in the QFileDialog.
:type dialog_caption: str :type dialog_caption: str
:param default_path: The default path. This is set as the path when the revert button is clicked :param default_path: The default path. This is set as the path when the revert button is clicked
:type default_path: pathlib.Path :type default_path: pathlib.Path
:param show_revert: Used to determine if the 'revert button' should be visible. :param show_revert: Used to determine if the 'revert button' should be visible.
:type show_revert: bool :type show_revert: bool
:return: None :return: None
:rtype: None :rtype: None
""" """
super().__init__(parent) super().__init__(parent)
self.default_path = default_path self.default_path = default_path
self.dialog_caption = dialog_caption self.dialog_caption = dialog_caption
self._path_type = path_type self._path_type = path_type
self._path = None self._path = None
self.filters = '{all_files} (*)'.format(all_files=UiStrings().AllFiles) self.filters = '{all_files} (*)'.format(all_files=UiStrings().AllFiles)
self._setup(show_revert) self._setup(show_revert)
def _setup(self, show_revert): def _setup(self, show_revert):
""" """
Set up the widget Set up the widget
:param show_revert: Show or hide the revert button :param show_revert: Show or hide the revert button
:type show_revert: bool :type show_revert: bool
:return: None :return: None
:rtype: None :rtype: None
""" """
widget_layout = QtWidgets.QHBoxLayout() widget_layout = QtWidgets.QHBoxLayout()
widget_layout.setContentsMargins(0, 0, 0, 0) widget_layout.setContentsMargins(0, 0, 0, 0)
self.line_edit = QtWidgets.QLineEdit(self) self.line_edit = QtWidgets.QLineEdit(self)
widget_layout.addWidget(self.line_edit) widget_layout.addWidget(self.line_edit)
self.browse_button = QtWidgets.QToolButton(self) self.browse_button = QtWidgets.QToolButton(self)
self.browse_button.setIcon(build_icon(':/general/general_open.png')) self.browse_button.setIcon(build_icon(':/general/general_open.png'))
widget_layout.addWidget(self.browse_button) widget_layout.addWidget(self.browse_button)
self.revert_button = QtWidgets.QToolButton(self) self.revert_button = QtWidgets.QToolButton(self)
self.revert_button.setIcon(build_icon(':/general/general_revert.png')) self.revert_button.setIcon(build_icon(':/general/general_revert.png'))
self.revert_button.setVisible(show_revert) self.revert_button.setVisible(show_revert)
widget_layout.addWidget(self.revert_button) widget_layout.addWidget(self.revert_button)
self.setLayout(widget_layout) self.setLayout(widget_layout)
# Signals and Slots # Signals and Slots
self.browse_button.clicked.connect(self.on_browse_button_clicked) self.browse_button.clicked.connect(self.on_browse_button_clicked)
self.revert_button.clicked.connect(self.on_revert_button_clicked) self.revert_button.clicked.connect(self.on_revert_button_clicked)
self.line_edit.editingFinished.connect(self.on_line_edit_editing_finished) self.line_edit.editingFinished.connect(self.on_line_edit_editing_finished)
self.update_button_tool_tips() self.update_button_tool_tips()
@property @property
def path(self): def path(self):
""" """
A property getter method to return the selected path. A property getter method to return the selected path.
:return: The selected path :return: The selected path
:rtype: pathlib.Path :rtype: pathlib.Path
""" """
return self._path return self._path
@path.setter @path.setter
def path(self, path): def path(self, path):
""" """
A Property setter method to set the selected path A Property setter method to set the selected path
:param path: The path to set the widget to :param path: The path to set the widget to
:type path: pathlib.Path :type path: pathlib.Path
:return: None :return: None
:rtype: None :rtype: None
""" """
self._path = path self._path = path
text = path_to_str(path) text = path_to_str(path)
self.line_edit.setText(text) self.line_edit.setText(text)
self.line_edit.setToolTip(text) self.line_edit.setToolTip(text)
@property @property
def path_type(self): def path_type(self):
""" """
A property getter method to return the path_type. Path type allows you to sepecify if the user is restricted to A property getter method to return the path_type. Path type allows you to sepecify if the user is restricted to
selecting a file or directory. selecting a file or directory.
:return: The type selected :return: The type selected
:rtype: PathType :rtype: PathType
""" """
return self._path_type return self._path_type
@path_type.setter @path_type.setter
def path_type(self, path_type): def path_type(self, path_type):
""" """
A Property setter method to set the path type A Property setter method to set the path type
:param path_type: The type of path to select :param path_type: The type of path to select
:type path_type: PathType :type path_type: PathType
:return: None :return: None
:rtype: None :rtype: None
""" """
self._path_type = path_type self._path_type = path_type
self.update_button_tool_tips() self.update_button_tool_tips()
def update_button_tool_tips(self): def update_button_tool_tips(self):
""" """
Called to update the tooltips on the buttons. This is changing path types, and when the widget is initalised Called to update the tooltips on the buttons. This is changing path types, and when the widget is initalised
:return: None :return: None
:rtype: None :rtype: None
""" """
if self._path_type == PathType.Directories: if self._path_type == PathType.Directories:
self.browse_button.setToolTip(translate('OpenLP.PathEdit', 'Browse for directory.')) self.browse_button.setToolTip(translate('OpenLP.PathEdit', 'Browse for directory.'))
self.revert_button.setToolTip(translate('OpenLP.PathEdit', 'Revert to default directory.')) self.revert_button.setToolTip(translate('OpenLP.PathEdit', 'Revert to default directory.'))
else: else:
self.browse_button.setToolTip(translate('OpenLP.PathEdit', 'Browse for file.')) self.browse_button.setToolTip(translate('OpenLP.PathEdit', 'Browse for file.'))
self.revert_button.setToolTip(translate('OpenLP.PathEdit', 'Revert to default file.')) self.revert_button.setToolTip(translate('OpenLP.PathEdit', 'Revert to default file.'))
def on_browse_button_clicked(self): def on_browse_button_clicked(self):
""" """
A handler to handle a click on the browse button. A handler to handle a click on the browse button.
Show the QFileDialog and process the input from the user Show the QFileDialog and process the input from the user
:return: None :return: None
:rtype: None :rtype: None
""" """
caption = self.dialog_caption caption = self.dialog_caption
path = None path = None
if self._path_type == PathType.Directories: if self._path_type == PathType.Directories:
if not caption: if not caption:
caption = translate('OpenLP.PathEdit', 'Select Directory') caption = translate('OpenLP.PathEdit', 'Select Directory')
path = PQFileDialog.getExistingDirectory(self, caption, self._path, PQFileDialog.ShowDirsOnly) path = PQFileDialog.getExistingDirectory(self, caption, self._path, PQFileDialog.ShowDirsOnly)
elif self._path_type == PathType.Files: elif self._path_type == PathType.Files:
if not caption: if not caption:
caption = self.dialog_caption = translate('OpenLP.PathEdit', 'Select File') caption = self.dialog_caption = translate('OpenLP.PathEdit', 'Select File')
path, filter_used = PQFileDialog.getOpenFileName(self, caption, self._path, self.filters) path, filter_used = PQFileDialog.getOpenFileName(self, caption, self._path, self.filters)
if path: if path:
self.on_new_path(path) self.on_new_path(path)
def on_revert_button_clicked(self): def on_revert_button_clicked(self):
""" """
A handler to handle a click on the revert button. A handler to handle a click on the revert button.
Set the new path to the value of the default_path instance variable. Set the new path to the value of the default_path instance variable.
:return: None :return: None
:rtype: None :rtype: None
""" """
self.on_new_path(self.default_path) self.on_new_path(self.default_path)
def on_line_edit_editing_finished(self): def on_line_edit_editing_finished(self):
""" """
A handler to handle when the line edit has finished being edited. A handler to handle when the line edit has finished being edited.
:return: None :return: None
:rtype: None :rtype: None
""" """
path = str_to_path(self.line_edit.text()) path = str_to_path(self.line_edit.text())
self.on_new_path(path) self.on_new_path(path)
def on_new_path(self, path): def on_new_path(self, path):
""" """
A method called to validate and set a new path. A method called to validate and set a new path.
Emits the pathChanged Signal Emits the pathChanged Signal
:param path: The new path :param path: The new path
:type path: pathlib.Path :type path: pathlib.Path
:return: None :return: None
:rtype: None :rtype: None
""" """
if self._path != path: if self._path != path:
self.path = path self.path = path
self.pathChanged.emit(path) self.pathChanged.emit(path)