forked from openlp/openlp
136 lines
5.1 KiB
Python
136 lines
5.1 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2018 OpenLP Developers #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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The :mod:`~openlp.core.lib.settingstab` module contains the base SettingsTab class which plugins use for adding their
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own tab to the settings dialog.
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"""
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from PyQt5 import QtWidgets
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from openlp.core.common.mixins import RegistryProperties
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class SettingsTab(QtWidgets.QWidget, RegistryProperties):
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"""
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SettingsTab is a helper widget for plugins to define Tabs for the settings dialog.
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"""
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def __init__(self, parent, title, visible_title=None, icon_path=None):
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"""
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Constructor to create the Settings tab item.
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:param parent:
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:param title: The title of the tab, which is used internally for the tab handling.
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:param visible_title: The title of the tab, which is usually displayed on the tab.
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:param icon_path:
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"""
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super(SettingsTab, self).__init__(parent)
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self.tab_title = title
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self.tab_title_visible = visible_title
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self.settings_section = self.tab_title.lower()
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self.tab_visited = False
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if icon_path:
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self.icon_path = icon_path
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self._setup()
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def _setup(self):
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"""
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Run some initial setup. This method is separate from __init__ in order to mock it out in tests.
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"""
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self.setupUi()
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self.retranslateUi()
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self.initialise()
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self.load()
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def setupUi(self):
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"""
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Setup the tab's interface.
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"""
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self.tab_layout = QtWidgets.QHBoxLayout(self)
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self.tab_layout.setObjectName('tab_layout')
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self.left_column = QtWidgets.QWidget(self)
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self.left_column.setObjectName('left_column')
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self.left_layout = QtWidgets.QVBoxLayout(self.left_column)
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self.left_layout.setContentsMargins(0, 0, 0, 0)
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self.left_layout.setObjectName('left_layout')
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self.tab_layout.addWidget(self.left_column)
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self.right_column = QtWidgets.QWidget(self)
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self.right_column.setObjectName('right_column')
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self.right_layout = QtWidgets.QVBoxLayout(self.right_column)
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self.right_layout.setContentsMargins(0, 0, 0, 0)
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self.right_layout.setObjectName('right_layout')
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self.tab_layout.addWidget(self.right_column)
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def resizeEvent(self, event=None):
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"""
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Resize the sides in two equal halves if the layout allows this.
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"""
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if event:
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QtWidgets.QWidget.resizeEvent(self, event)
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width = self.width() - self.tab_layout.spacing() - \
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self.tab_layout.contentsMargins().left() - self.tab_layout.contentsMargins().right()
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left_width = min(width - self.right_column.minimumSizeHint().width(), width // 2)
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left_width = max(left_width, self.left_column.minimumSizeHint().width())
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self.left_column.setFixedWidth(left_width)
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def retranslateUi(self):
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"""
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Setup the interface translation strings.
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"""
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pass
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def initialise(self):
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"""
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Do any extra initialisation here.
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"""
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pass
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def load(self):
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"""
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Load settings from disk.
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"""
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pass
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def save(self):
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"""
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Save settings to disk.
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"""
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pass
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def cancel(self):
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"""
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Reset any settings if cancel triggered
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"""
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self.load()
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def post_set_up(self, post_update=False):
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"""
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Changes which need to be made after setup of application
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:param post_update: Indicates if called before or after updates.
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"""
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pass
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def tab_visible(self):
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"""
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Tab has just been made visible to the user
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"""
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pass
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