mirror of https://gitlab.com/openlp/openlp.git
153 lines
7.0 KiB
Python
153 lines
7.0 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) 2008-2019 OpenLP Developers #
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# ---------------------------------------------------------------------- #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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##########################################################################
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"""
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The actual plugin view form
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"""
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import logging
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from PyQt5 import QtCore, QtWidgets
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from openlp.core.state import State
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from openlp.core.common.i18n import translate
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from openlp.core.common.mixins import RegistryProperties
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from openlp.core.lib.plugin import PluginStatus
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from openlp.core.ui.plugindialog import Ui_PluginViewDialog
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log = logging.getLogger(__name__)
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class PluginForm(QtWidgets.QDialog, Ui_PluginViewDialog, RegistryProperties):
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"""
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The plugin form provides user control over the plugins OpenLP uses.
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"""
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def __init__(self, parent=None):
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"""
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Constructor
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"""
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super(PluginForm, self).__init__(parent, QtCore.Qt.WindowSystemMenuHint | QtCore.Qt.WindowTitleHint |
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QtCore.Qt.WindowCloseButtonHint)
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self.active_plugin = None
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self.programmatic_change = False
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self.setup_ui(self)
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self.load()
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self._clear_details()
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# Right, now let's put some signals and slots together!
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self.plugin_list_widget.itemSelectionChanged.connect(self.on_plugin_list_widget_selection_changed)
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self.status_checkbox.stateChanged.connect(self.on_status_checkbox_changed)
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def load(self):
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"""
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Load the plugin details into the screen
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"""
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self.plugin_list_widget.clear()
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self.programmatic_change = True
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self._clear_details()
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self.programmatic_change = True
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plugin_list_width = 0
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for plugin in State().list_plugins():
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if plugin:
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item = QtWidgets.QListWidgetItem(self.plugin_list_widget)
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# We do this just to make 100% sure the status is an integer as
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# sometimes when it's loaded from the config, it isn't cast to int.
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plugin.status = int(plugin.status)
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# Set the little status text in brackets next to the plugin name.
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if plugin.status == PluginStatus.Disabled:
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status_text = translate('OpenLP.PluginForm', '{name} (Disabled)')
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elif plugin.status == PluginStatus.Active:
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status_text = translate('OpenLP.PluginForm', '{name} (Active)')
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else:
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# PluginStatus.Inactive
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status_text = translate('OpenLP.PluginForm', '{name} (Inactive)')
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item.setText(status_text.format(name=plugin.name_strings['singular']))
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# If the plugin has an icon, set it!
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if plugin.icon:
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item.setIcon(plugin.icon)
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self.plugin_list_widget.addItem(item)
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plugin_list_width = max(plugin_list_width, self.fontMetrics().width(
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translate('OpenLP.PluginForm', '{name} (Inactive)').format(name=plugin.name_strings['singular'])))
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self.plugin_list_widget.setFixedWidth(plugin_list_width + self.plugin_list_widget.iconSize().width() + 48)
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def _clear_details(self):
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"""
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Clear the plugin details widgets
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"""
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self.status_checkbox.setChecked(False)
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self.about_text_browser.setHtml('')
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self.status_checkbox.setEnabled(False)
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def _set_details(self):
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"""
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Set the details of the currently selected plugin
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"""
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log.debug('PluginStatus: {status}'.format(status=str(self.active_plugin.status)))
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self.about_text_browser.setHtml(self.active_plugin.about())
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self.programmatic_change = True
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if self.active_plugin.status != PluginStatus.Disabled:
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self.status_checkbox.setChecked(self.active_plugin.status == PluginStatus.Active)
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self.status_checkbox.setEnabled(True)
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else:
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self.status_checkbox.setChecked(False)
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self.status_checkbox.setEnabled(False)
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self.programmatic_change = False
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def on_plugin_list_widget_selection_changed(self):
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"""
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If the selected plugin changes, update the form
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"""
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if self.plugin_list_widget.currentItem() is None:
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self._clear_details()
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return
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plugin_name_singular = self.plugin_list_widget.currentItem().text().split('(')[0][:-1]
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self.active_plugin = None
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for plugin in State().list_plugins():
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if plugin.name_strings['singular'] == plugin_name_singular:
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self.active_plugin = plugin
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break
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if self.active_plugin:
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self._set_details()
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else:
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self._clear_details()
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def on_status_checkbox_changed(self, status):
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"""
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If the status of a plugin is altered, apply the change
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"""
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if self.programmatic_change or self.active_plugin is None:
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return
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if status:
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self.application.set_busy_cursor()
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self.active_plugin.toggle_status(PluginStatus.Active)
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self.application.set_normal_cursor()
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self.active_plugin.app_startup()
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else:
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self.active_plugin.toggle_status(PluginStatus.Inactive)
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status_text = translate('OpenLP.PluginForm', '{name} (Inactive)')
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if self.active_plugin.status == PluginStatus.Active:
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status_text = translate('OpenLP.PluginForm', '{name} (Active)')
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elif self.active_plugin.status == PluginStatus.Inactive:
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status_text = translate('OpenLP.PluginForm', '{name} (Inactive)')
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elif self.active_plugin.status == PluginStatus.Disabled:
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status_text = translate('OpenLP.PluginForm', '{name} (Disabled)')
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self.plugin_list_widget.currentItem().setText(
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status_text.format(name=self.active_plugin.name_strings['singular']))
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