forked from openlp/openlp
356 lines
16 KiB
Python
356 lines
16 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) 2008-2013 Raoul Snyman #
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# Portions copyright (c) 2008-2013 Tim Bentley, Gerald Britton, Jonathan #
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# Corwin, Samuel Findlay, Michael Gorven, Scott Guerrieri, Matthias Hub, #
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# Meinert Jordan, Armin Köhler, Erik Lundin, Edwin Lunando, Brian T. Meyer. #
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# Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias Põldaru, #
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# Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith, #
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# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Dave Warnock, #
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# Frode Woldsund, Martin Zibricky #
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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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import logging
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import os
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from PyQt4 import QtCore, QtGui
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from openlp.core.lib import MediaManagerItem, build_icon, SettingsManager, \
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translate, check_item_selected, Receiver, ItemCapabilities, create_thumb, \
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validate_thumb
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from openlp.core.lib.ui import UiStrings, critical_error_message_box, \
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create_horizontal_adjusting_combo_box
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from openlp.core.lib.settings import Settings
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from openlp.core.utils import locale_compare
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from openlp.plugins.presentations.lib import MessageListener
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log = logging.getLogger(__name__)
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ERROR = QtGui.QImage(u':/general/general_delete.png')
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class PresentationMediaItem(MediaManagerItem):
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"""
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This is the Presentation media manager item for Presentation Items.
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It can present files using Openoffice and Powerpoint
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"""
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log.info(u'Presentations Media Item loaded')
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def __init__(self, parent, plugin, icon, controllers):
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"""
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Constructor. Setup defaults
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"""
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self.controllers = controllers
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self.IconPath = u'presentations/presentation'
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self.Automatic = u''
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MediaManagerItem.__init__(self, parent, plugin, icon)
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self.message_listener = MessageListener(self)
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self.hasSearch = True
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self.singleServiceItem = False
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QtCore.QObject.connect(Receiver.get_receiver(),
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QtCore.SIGNAL(u'mediaitem_presentation_rebuild'), self.rebuild)
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# Allow DnD from the desktop
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self.listView.activateDnD()
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def retranslateUi(self):
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"""
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The name of the plugin media displayed in UI
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"""
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self.onNewPrompt = translate('PresentationPlugin.MediaItem',
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'Select Presentation(s)')
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self.Automatic = translate('PresentationPlugin.MediaItem',
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'Automatic')
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self.displayTypeLabel.setText(
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translate('PresentationPlugin.MediaItem', 'Present using:'))
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def buildFileMaskString(self):
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"""
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Build the list of file extensions to be used in the Open file dialog
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"""
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fileType = u''
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for controller in self.controllers:
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if self.controllers[controller].enabled():
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types = self.controllers[controller].supports + \
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self.controllers[controller].alsosupports
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for type_ in types:
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if fileType.find(type_) == -1:
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fileType += u'*.%s ' % type_
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self.plugin.serviceManager.supportedSuffixes(type_)
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self.onNewFileMasks = unicode(translate('PresentationPlugin.MediaItem',
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'Presentations (%s)')) % fileType
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def requiredIcons(self):
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"""
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Set which icons the media manager tab should show
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"""
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MediaManagerItem.requiredIcons(self)
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self.hasFileIcon = True
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self.hasNewIcon = False
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self.hasEditIcon = False
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def addEndHeaderBar(self):
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"""
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Display custom media manager items for presentations
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"""
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self.presentationWidget = QtGui.QWidget(self)
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self.presentationWidget.setObjectName(u'presentationWidget')
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self.displayLayout = QtGui.QFormLayout(self.presentationWidget)
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self.displayLayout.setMargin(self.displayLayout.spacing())
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self.displayLayout.setObjectName(u'displayLayout')
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self.displayTypeLabel = QtGui.QLabel(self.presentationWidget)
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self.displayTypeLabel.setObjectName(u'displayTypeLabel')
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self.displayTypeComboBox = create_horizontal_adjusting_combo_box(
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self.presentationWidget, u'displayTypeComboBox')
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self.displayTypeLabel.setBuddy(self.displayTypeComboBox)
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self.displayLayout.addRow(self.displayTypeLabel,
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self.displayTypeComboBox)
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# Add the Presentation widget to the page layout
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self.pageLayout.addWidget(self.presentationWidget)
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def initialise(self):
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"""
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Populate the media manager tab
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"""
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self.listView.setIconSize(QtCore.QSize(88, 50))
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files = SettingsManager.load_list(
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self.settingsSection, u'presentations')
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self.loadList(files, True)
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self.populateDisplayTypes()
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def rebuild(self):
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"""
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Rebuild the tab in the media manager when changes are made in
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the settings
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"""
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self.populateDisplayTypes()
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self.buildFileMaskString()
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def populateDisplayTypes(self):
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"""
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Load the combobox with the enabled presentation controllers,
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allowing user to select a specific app if settings allow
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"""
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self.displayTypeComboBox.clear()
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for item in self.controllers:
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# load the drop down selection
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if self.controllers[item].enabled():
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self.displayTypeComboBox.addItem(item)
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if self.displayTypeComboBox.count() > 1:
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self.displayTypeComboBox.insertItem(0, self.Automatic)
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self.displayTypeComboBox.setCurrentIndex(0)
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if Settings().value(self.settingsSection + u'/override app',
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QtCore.QVariant(QtCore.Qt.Unchecked)) == QtCore.Qt.Checked:
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self.presentationWidget.show()
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else:
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self.presentationWidget.hide()
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def loadList(self, files, initialLoad=False):
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"""
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Add presentations into the media manager
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This is called both on initial load of the plugin to populate with
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existing files, and when the user adds new files via the media manager
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"""
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currlist = self.getFileList()
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titles = [os.path.split(file)[1] for file in currlist]
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Receiver.send_message(u'cursor_busy')
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if not initialLoad:
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Receiver.send_message(u'cursor_busy')
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self.plugin.formParent.displayProgressBar(len(files))
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# Sort the presentations by its filename considering language specific
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# characters.
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files.sort(cmp=locale_compare,
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key=lambda filename: os.path.split(unicode(filename))[1])
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for file in files:
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if not initialLoad:
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self.plugin.formParent.incrementProgressBar()
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if currlist.count(file) > 0:
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continue
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filename = os.path.split(unicode(file))[1]
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if not os.path.exists(file):
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item_name = QtGui.QListWidgetItem(filename)
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item_name.setIcon(build_icon(ERROR))
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item_name.setData(QtCore.Qt.UserRole, QtCore.QVariant(file))
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item_name.setToolTip(file)
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self.listView.addItem(item_name)
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else:
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if titles.count(filename) > 0:
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if not initialLoad:
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critical_error_message_box(
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translate('PresentationPlugin.MediaItem',
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'File Exists'),
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translate('PresentationPlugin.MediaItem',
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'A presentation with that filename already exists.')
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)
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continue
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controller_name = self.findControllerByType(filename)
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if controller_name:
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controller = self.controllers[controller_name]
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doc = controller.add_document(unicode(file))
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thumb = os.path.join(doc.get_thumbnail_folder(),
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u'icon.png')
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preview = doc.get_thumbnail_path(1, True)
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if not preview and not initialLoad:
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doc.load_presentation()
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preview = doc.get_thumbnail_path(1, True)
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doc.close_presentation()
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if not (preview and os.path.exists(preview)):
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icon = build_icon(u':/general/general_delete.png')
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else:
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if validate_thumb(preview, thumb):
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icon = build_icon(thumb)
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else:
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icon = create_thumb(preview, thumb)
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else:
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if initialLoad:
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icon = build_icon(u':/general/general_delete.png')
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else:
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critical_error_message_box(UiStrings().UnsupportedFile,
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translate('PresentationPlugin.MediaItem',
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'This type of presentation is not supported.'))
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continue
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item_name = QtGui.QListWidgetItem(filename)
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item_name.setData(QtCore.Qt.UserRole, QtCore.QVariant(file))
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item_name.setIcon(icon)
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item_name.setToolTip(file)
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self.listView.addItem(item_name)
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Receiver.send_message(u'cursor_normal')
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if not initialLoad:
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self.plugin.formParent.finishedProgressBar()
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Receiver.send_message(u'cursor_normal')
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def onDeleteClick(self):
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"""
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Remove a presentation item from the list
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"""
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if check_item_selected(self.listView, UiStrings().SelectDelete):
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items = self.listView.selectedIndexes()
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row_list = [item.row() for item in items]
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row_list.sort(reverse=True)
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Receiver.send_message(u'cursor_busy')
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self.plugin.formParent.displayProgressBar(len(row_list))
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for item in items:
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filepath = unicode(item.data(
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QtCore.Qt.UserRole).toString())
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for cidx in self.controllers:
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doc = self.controllers[cidx].add_document(filepath)
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doc.presentation_deleted()
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doc.close_presentation()
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self.plugin.formParent.incrementProgressBar()
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self.plugin.formParent.finishedProgressBar()
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Receiver.send_message(u'cursor_normal')
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for row in row_list:
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self.listView.takeItem(row)
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SettingsManager.set_list(self.settingsSection,
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u'presentations', self.getFileList())
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def generateSlideData(self, service_item, item=None, xmlVersion=False,
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remote=False):
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"""
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Load the relevant information for displaying the presentation
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in the slidecontroller. In the case of powerpoints, an image
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for each slide
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"""
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if item:
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items = [item]
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else:
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items = self.listView.selectedItems()
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if len(items) > 1:
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return False
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service_item.title = unicode(self.displayTypeComboBox.currentText())
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service_item.shortname = unicode(self.displayTypeComboBox.currentText())
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service_item.add_capability(ItemCapabilities.ProvidesOwnDisplay)
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service_item.add_capability(ItemCapabilities.HasDetailedTitleDisplay)
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shortname = service_item.shortname
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if not shortname:
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return False
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for bitem in items:
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filename = unicode(bitem.data(QtCore.Qt.UserRole).toString())
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if os.path.exists(filename):
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if shortname == self.Automatic:
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service_item.shortname = self.findControllerByType(filename)
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if not service_item.shortname:
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return False
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controller = self.controllers[service_item.shortname]
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(path, name) = os.path.split(filename)
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doc = controller.add_document(filename)
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if doc.get_thumbnail_path(1, True) is None:
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doc.load_presentation()
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i = 1
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img = doc.get_thumbnail_path(i, True)
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if img:
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while img:
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service_item.add_from_command(path, name, img)
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i = i + 1
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img = doc.get_thumbnail_path(i, True)
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doc.close_presentation()
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return True
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else:
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# File is no longer present
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if not remote:
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critical_error_message_box(
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translate('PresentationPlugin.MediaItem',
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'Missing Presentation'),
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unicode(translate(
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'PresentationPlugin.MediaItem',
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'The presentation %s is incomplete,'
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' please reload.')) % filename)
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return False
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else:
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# File is no longer present
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if not remote:
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critical_error_message_box(
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translate('PresentationPlugin.MediaItem',
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'Missing Presentation'),
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unicode(translate('PresentationPlugin.MediaItem',
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'The presentation %s no longer exists.')) % filename)
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return False
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def findControllerByType(self, filename):
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"""
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Determine the default application controller to use for the selected
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file type. This is used if "Automatic" is set as the preferred
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controller. Find the first (alphabetic) enabled controller which
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"supports" the extension. If none found, then look for a controller
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which "also supports" it instead.
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"""
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filetype = os.path.splitext(filename)[1][1:]
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if not filetype:
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return None
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for controller in self.controllers:
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if self.controllers[controller].enabled():
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if filetype in self.controllers[controller].supports:
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return controller
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for controller in self.controllers:
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if self.controllers[controller].enabled():
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if filetype in self.controllers[controller].alsosupports:
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return controller
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return None
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def search(self, string, showError):
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files = SettingsManager.load_list(
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self.settingsSection, u'presentations')
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results = []
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string = string.lower()
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for file in files:
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filename = os.path.split(unicode(file))[1]
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if filename.lower().find(string) > -1:
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results.append([file, filename])
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return results
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