forked from openlp/openlp
144 lines
6.1 KiB
Python
144 lines
6.1 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 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) 2008-2010 Raoul Snyman #
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# Portions copyright (c) 2008-2010 Tim Bentley, Jonathan Corwin, Michael #
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# Gorven, Scott Guerrieri, Meinert Jordan, Andreas Preikschat, Christian #
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# Richter, Philip Ridout, Maikel Stuivenberg, Martin Thompson, Jon Tibble, #
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# Carsten Tinggaard, Frode Woldsund #
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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:`presentationplugin` module provides the ability for OpenLP to display
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presentations from a variety of document formats.
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"""
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import os
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import logging
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from openlp.core.lib import Plugin, build_icon, PluginStatus, translate
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from openlp.core.utils import AppLocation
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from openlp.plugins.presentations.lib import *
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log = logging.getLogger(__name__)
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class PresentationPlugin(Plugin):
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"""
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This plugin allowed a Presentation to be opened, controlled and displayed
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on the output display. The plugin controls third party applications such
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as OpenOffice.org Impress, Microsoft PowerPoint and the PowerPoint viewer
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"""
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log = logging.getLogger(u'PresentationPlugin')
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def __init__(self, plugin_helpers):
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"""
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PluginPresentation constructor.
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"""
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log.debug(u'Initialised')
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self.controllers = {}
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Plugin.__init__(self, u'Presentations', u'1.9.2', plugin_helpers)
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self.weight = -8
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self.icon_path = u':/plugins/plugin_presentations.png'
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self.icon = build_icon(self.icon_path)
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self.status = PluginStatus.Active
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def getSettingsTab(self):
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"""
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Create the settings Tab
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"""
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return PresentationTab(self.name, self.controllers)
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def initialise(self):
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"""
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Initialise the plugin. Determine which controllers are enabled
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are start their processes.
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"""
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log.info(u'Presentations Initialising')
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Plugin.initialise(self)
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self.insertToolboxItem()
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for controller in self.controllers:
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if self.controllers[controller].enabled():
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self.controllers[controller].start_process()
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def finalise(self):
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"""
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Finalise the plugin. Ask all the enabled presentation applications
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to close down their applications and release resources.
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"""
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log.info(u'Plugin Finalise')
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#Ask each controller to tidy up
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for key in self.controllers:
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controller = self.controllers[key]
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if controller.enabled():
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controller.kill()
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Plugin.finalise(self)
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def getMediaManagerItem(self):
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"""
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Create the Media Manager List
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"""
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return PresentationMediaItem(
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self, self.icon, self.name, self.controllers)
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def registerControllers(self, controller):
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"""
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Register each presentation controller (Impress, PPT etc) and
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store for later use
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"""
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self.controllers[controller.name] = controller
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def checkPreConditions(self):
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"""
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Check to see if we have any presentation software available
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If Not do not install the plugin.
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"""
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log.debug(u'checkPreConditions')
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controller_dir = os.path.join(
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AppLocation.get_directory(AppLocation.PluginsDir),
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u'presentations', u'lib')
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for filename in os.listdir(controller_dir):
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if filename.endswith(u'controller.py') and \
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not filename == 'presentationcontroller.py':
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path = os.path.join(controller_dir, filename)
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if os.path.isfile(path):
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modulename = u'openlp.plugins.presentations.lib.' + \
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os.path.splitext(filename)[0]
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log.debug(u'Importing controller %s', modulename)
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try:
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__import__(modulename, globals(), locals(), [])
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except ImportError:
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log.exception(u'Failed to import %s on path %s',
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modulename, path)
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controller_classes = PresentationController.__subclasses__()
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for controller_class in controller_classes:
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controller = controller_class(self)
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self.registerControllers(controller)
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if self.controllers:
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return True
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else:
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return False
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def about(self):
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"""
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Return information about this plugin
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"""
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about_text = translate('PresentationPlugin', '<strong>Presentation '
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'Plugin</strong><br />The presentation plugin provides the '
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'ability to show presentations using a number of different '
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'programs. The choice of available presentation programs is '
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'available to the user in a drop down box.')
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return about_text |