openlp/openlp/plugins/presentations/lib/mediaitem.py
2010-06-24 16:50:40 +01:00

240 lines
11 KiB
Python

# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2010 Raoul Snyman #
# Portions copyright (c) 2008-2010 Tim Bentley, Jonathan Corwin, Michael #
# Gorven, Scott Guerrieri, Christian Richter, Maikel Stuivenberg, Martin #
# Thompson, Jon Tibble, Carsten Tinggaard #
# --------------------------------------------------------------------------- #
# 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 #
# Software Foundation; version 2 of the License. #
# #
# This program is distributed in the hope that it will be useful, but WITHOUT #
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
# more details. #
# #
# 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 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
import logging
import os
from PyQt4 import QtCore, QtGui
from openlp.core.lib import MediaManagerItem, BaseListWithDnD, build_icon, \
SettingsManager, translate, check_item_selected
from openlp.core.utils import AppLocation
from openlp.plugins.presentations.lib import MessageListener
log = logging.getLogger(__name__)
# We have to explicitly create separate classes for each plugin
# in order for DnD to the Service manager to work correctly.
class PresentationListView(BaseListWithDnD):
def __init__(self, parent=None):
self.PluginName = u'Presentations'
BaseListWithDnD.__init__(self, parent)
class PresentationMediaItem(MediaManagerItem):
"""
This is the Presentation media manager item for Presentation Items.
It can present files using Openoffice
"""
log.info(u'Presentations Media Item loaded')
def __init__(self, parent, icon, title, controllers):
self.controllers = controllers
self.PluginNameShort = u'Presentation'
self.IconPath = u'presentations/presentation'
self.Automatic = u''
# this next is a class, not an instance of a class - it will
# be instanced by the base MediaManagerItem
self.ListViewWithDnD_class = PresentationListView
MediaManagerItem.__init__(self, parent, icon, title)
self.message_listener = MessageListener(self)
def initPluginNameVisible(self):
self.PluginNameVisible = translate('PresentationPlugin.MediaItem',
'Presentation')
def retranslateUi(self):
self.OnNewPrompt = translate('PresentationPlugin.MediaItem',
'Select Presentation(s)')
self.Automatic = translate('PresentationPlugin.MediaItem',
'Automatic')
fileType = u''
for controller in self.controllers:
if self.controllers[controller].enabled:
types = self.controllers[controller].supports + \
self.controllers[controller].alsosupports
for type in types:
if fileType.find(type) == -1:
fileType += u'*%s ' % type
self.parent.service_manager.supportedSuffixes(type)
self.OnNewFileMasks = translate('PresentationPlugin.MediaItem',
'Presentations (%s)' % fileType)
def requiredIcons(self):
MediaManagerItem.requiredIcons(self)
self.hasFileIcon = True
self.hasNewIcon = False
self.hasEditIcon = False
def addEndHeaderBar(self):
self.PresentationWidget = QtGui.QWidget(self)
sizePolicy = QtGui.QSizePolicy(
QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Minimum)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.PresentationWidget.sizePolicy().hasHeightForWidth())
self.PresentationWidget.setSizePolicy(sizePolicy)
self.PresentationWidget.setObjectName(u'PresentationWidget')
self.DisplayLayout = QtGui.QGridLayout(self.PresentationWidget)
self.DisplayLayout.setObjectName(u'DisplayLayout')
self.DisplayTypeComboBox = QtGui.QComboBox(self.PresentationWidget)
self.DisplayTypeComboBox.setObjectName(u'DisplayTypeComboBox')
self.DisplayLayout.addWidget(self.DisplayTypeComboBox, 0, 1, 1, 2)
self.DisplayTypeLabel = QtGui.QLabel(self.PresentationWidget)
self.DisplayTypeLabel.setObjectName(u'SearchTypeLabel')
self.DisplayLayout.addWidget(self.DisplayTypeLabel, 0, 0, 1, 1)
self.DisplayTypeLabel.setText(
translate('PresentationPlugin.MediaItem', 'Present using:'))
# Add the Presentation widget to the page layout
self.PageLayout.addWidget(self.PresentationWidget)
def initialise(self):
self.servicePath = os.path.join(
AppLocation.get_section_data_path(self.settingsSection),
u'thumbnails')
self.ListView.setIconSize(QtCore.QSize(88, 50))
if not os.path.exists(self.servicePath):
os.mkdir(self.servicePath)
list = SettingsManager.load_list(
self.settingsSection, u'presentations')
self.loadList(list)
for item in self.controllers:
#load the drop down selection
if self.controllers[item].enabled:
self.DisplayTypeComboBox.addItem(item)
if self.DisplayTypeComboBox.count() > 1:
self.DisplayTypeComboBox.insertItem(0, self.Automatic)
self.DisplayTypeComboBox.setCurrentIndex(0)
def loadList(self, list):
currlist = self.getFileList()
titles = []
for file in currlist:
titles.append(os.path.split(file)[1])
for file in list:
if currlist.count(file) > 0:
continue
filename = os.path.split(unicode(file))[1]
if titles.count(filename) > 0:
QtGui.QMessageBox.critical(
self, translate('PresentationPlugin.MediaItem',
'File exists'),
translate('PresentationPlugin.MediaItem',
'A presentation with that filename already exists.'),
QtGui.QMessageBox.Ok)
else:
icon = None
for controller in self.controllers:
thumbPath = os.path.join(
AppLocation.get_section_data_path(
self.settingsSection),
u'thumbnails', controller, filename)
thumb = os.path.join(thumbPath, u'slide1.png')
preview = os.path.join(
AppLocation.get_section_data_path(
self.settingsSection),
controller, u'thumbnails', filename, u'slide1.png')
if os.path.exists(preview):
if os.path.exists(thumb):
if self.validate(preview, thumb):
icon = build_icon(thumb)
else:
icon = build_icon(
u':/general/general_delete.png')
else:
os.makedirs(thumbPath)
icon = self.IconFromFile(preview, thumb)
if not icon:
icon = build_icon(u':/general/general_delete.png')
item_name = QtGui.QListWidgetItem(filename)
item_name.setData(QtCore.Qt.UserRole, QtCore.QVariant(file))
item_name.setIcon(icon)
self.ListView.addItem(item_name)
def onDeleteClick(self):
"""
Remove a presentation item from the list
"""
if check_item_selected(self.ListView,
translate('PresentationPlugin.MediaItem',
'You must select an item to delete.')):
item = self.ListView.currentItem()
row = self.ListView.row(item)
self.ListView.takeItem(row)
SettingsManager.set_list(self.settingsSection,
self.settingsSection, self.getFileList())
filepath = unicode(item.data(QtCore.Qt.UserRole).toString())
#not sure of this has errors
#John please can you look at .
for cidx in self.controllers:
doc = self.controllers[cidx].add_doc(filepath)
doc.presentation_deleted()
doc.close_presentation()
def generateSlideData(self, service_item, item=None):
items = self.ListView.selectedIndexes()
if len(items) > 1:
return False
service_item.title = unicode(self.DisplayTypeComboBox.currentText())
service_item.shortname = unicode(self.DisplayTypeComboBox.currentText())
shortname = service_item.shortname
if shortname:
for item in items:
bitem = self.ListView.item(item.row())
filename = unicode(bitem.data(QtCore.Qt.UserRole).toString())
if shortname == self.Automatic:
service_item.shortname = self.findControllerByType(filename)
if not service_item.shortname:
return False
controller = self.controllers[service_item.shortname]
(path, name) = os.path.split(filename)
doc = controller.add_doc(filename)
if doc.get_slide_preview_file(1) is None:
doc.load_presentation()
i = 1
img = doc.get_slide_preview_file(i)
while img:
service_item.add_from_command(path, name, img)
i = i + 1
img = doc.get_slide_preview_file(i)
doc.close_presentation()
return True
else:
return False
def findControllerByType(self, filename):
filetype = os.path.splitext(filename)[1]
if not filetype:
return None
for controller in self.controllers:
if self.controllers[controller].enabled:
if filetype in self.controllers[controller].supports:
return controller
for controller in self.controllers:
if self.controllers[controller].enabled:
if filetype in self.controllers[controller].alsosupports:
return controller
return None