forked from openlp/openlp
352 lines
13 KiB
Python
352 lines
13 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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Copyright (c) 2008 Raoul Snyman
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Portions copyright (c) 2008-2009 Martin Thompson, Tim Bentley,
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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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 OpenLPToolbar, translate
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class SlideData(QtCore.QAbstractListModel):
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"""
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List of frames to be displayed on the list and the main display.
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"""
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global log
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log = logging.getLogger(u'SlideData')
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def __init__(self):
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QtCore.QAbstractListModel.__init__(self)
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self.items = []
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self.rowheight = 50
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self.maximagewidth = self.rowheight * 16 / 9.0;
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log.info(u'Starting')
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def clear(self):
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self.items = []
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def columnCount(self, parent):
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return 1
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def rowCount(self, parent=None):
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return len(self.items)
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def insertRow(self, row, frame, framenumber):
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self.beginInsertRows(QtCore.QModelIndex(), row, row)
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log.info(u'insert row %d' % row)
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# create a preview image
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frame1 = frame.scaled(QtCore.QSize(280, 210), QtCore.Qt.KeepAspectRatio,
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QtCore.Qt.SmoothTransformation)
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self.items.insert(row, (frame1, framenumber))
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log.info(u'Item loaded')
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self.endInsertRows()
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def removeRow(self, row):
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self.beginRemoveRows(QtCore.QModelIndex(), row, row)
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self.items.pop(row)
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self.endRemoveRows()
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def addRow(self, frame, framenumber):
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self.insertRow(len(self.items), frame, framenumber)
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def data(self, index, role):
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row = index.row()
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if row > len(self.items):
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# if the last row is selected and deleted, we then get called with
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# an empty row!
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return QtCore.QVariant()
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if role == QtCore.Qt.DecorationRole:
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retval = self.items[row][0]
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else:
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retval = QtCore.QVariant()
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if type(retval) is not type(QtCore.QVariant):
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return QtCore.QVariant(retval)
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else:
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return retval
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def __iter__(self):
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for item in self.items:
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yield item
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def getValue(self, index):
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row = index.row()
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return self.items[row]
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def getItem(self, row):
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log.info(u'Get Item:%d -> %s' %(row, unicode(self.items)))
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return self.items[row]
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def getList(self):
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filelist = [item[3] for item in self.items];
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return filelist
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class SlideList(QtGui.QListView):
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def __init__(self,parent=None,name=None):
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QtGui.QListView.__init__(self,parent.Controller)
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self.parent = parent
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def keyPressEvent(self, event):
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if type(event) == QtGui.QKeyEvent:
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#here accept the event and do something
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if event.key() == QtCore.Qt.Key_Up:
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self.parent.onSlideSelectedPrevious()
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event.accept()
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elif event.key() == QtCore.Qt.Key_Down:
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self.parent.onSlideSelectedNext()
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event.accept()
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elif event.key() == QtCore.Qt.Key_PageUp:
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self.parent.onSlideSelectedFirst()
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event.accept()
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elif event.key() == QtCore.Qt.Key_PageDown:
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self.parent.onSlideSelectedLast()
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event.accept()
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event.ignore()
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else:
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event.ignore()
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class SlideController(QtGui.QWidget):
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"""
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SlideController is THE slide controller widget. This widget is what the user
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uses to control the displaying of verses/slides/etc on the screen.
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"""
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global log
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log = logging.getLogger(u'SlideController')
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def __init__(self, controlSplitter, parent, isLive=False):
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"""
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Set up the Slide Controller.
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"""
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QtGui.QWidget.__init__(self, parent.mainWindow)
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self.isLive = isLive
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self.parent = parent
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self.Panel = QtGui.QWidget(controlSplitter)
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self.Splitter = QtGui.QSplitter(self.Panel)
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self.Splitter.setOrientation(QtCore.Qt.Vertical)
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# Layout for holding panel
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self.PanelLayout = QtGui.QVBoxLayout(self.Panel)
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self.PanelLayout.addWidget(self.Splitter)
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self.PanelLayout.setSpacing(0)
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self.PanelLayout.setMargin(0)
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# Actual controller section
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self.Controller = QtGui.QWidget(self.Splitter)
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self.Controller.setGeometry(QtCore.QRect(0, 0, 800, 536))
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self.Controller.setSizePolicy(
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QtGui.QSizePolicy(QtGui.QSizePolicy.Preferred,
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QtGui.QSizePolicy.Maximum))
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self.ControllerLayout = QtGui.QVBoxLayout(self.Controller)
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self.ControllerLayout.setSpacing(0)
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self.ControllerLayout.setMargin(0)
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# Controller list view
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self.PreviewListView = SlideList(self)
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self.PreviewListView.setUniformItemSizes(True)
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self.PreviewListView.setIconSize(QtCore.QSize(250, 190))
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self.PreviewListData = SlideData()
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self.PreviewListView.isLive = self.isLive
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if QtCore.QT_VERSION_STR > u'4.4.0':
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self.PreviewListView.setFlow(1)
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self.PreviewListView.setViewMode(1)
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self.PreviewListView.setWrapping(False)
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self.PreviewListView.setModel(self.PreviewListData)
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self.PreviewListView.setSpacing(0)
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self.PreviewListView.setObjectName(u'PreviewListView')
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self.ControllerLayout.addWidget(self.PreviewListView)
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# Controller toolbar
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self.Toolbar = OpenLPToolbar(self.Controller)
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sizeToolbarPolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed,
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QtGui.QSizePolicy.Fixed)
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sizeToolbarPolicy.setHorizontalStretch(0)
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sizeToolbarPolicy.setVerticalStretch(0)
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sizeToolbarPolicy.setHeightForWidth(
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self.Toolbar.sizePolicy().hasHeightForWidth())
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if self.isLive:
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self.Toolbar.addToolbarButton(u'First Slide',
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u':/slides/slide_first.png',
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translate(u'SlideController', u'Move to first'),
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self.onSlideSelectedFirst)
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self.Toolbar.addToolbarButton(u'Last Slide',
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u':/slides/slide_previous.png',
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translate(u'SlideController', u'Move to previous'),
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self.onSlideSelectedPrevious)
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self.Toolbar.addToolbarButton(u'First Slide',
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u':/slides/slide_next.png',
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translate(u'SlideController', u'Move to next'),
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self.onSlideSelectedNext)
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if self.isLive:
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self.Toolbar.addToolbarButton(u'Last Slide',
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u':/slides/slide_last.png',
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translate(u'SlideController', u'Move to last'),
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self.onSlideSelectedLast)
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self.Toolbar.addSeparator()
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self.Toolbar.addToolbarButton(u'Close Screen',
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u':/slides/slide_close.png',
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translate(u'SlideController', u'Close Screen'),
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self.onBlankScreen)
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self.Toolbar.setSizePolicy(sizeToolbarPolicy)
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self.ControllerLayout.addWidget(self.Toolbar)
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# Screen preview area
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self.PreviewFrame = QtGui.QFrame(self.Splitter)
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self.PreviewFrame.setGeometry(QtCore.QRect(0, 0, 250, 190))
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self.PreviewFrame.setSizePolicy(QtGui.QSizePolicy(
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QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Minimum))
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self.PreviewFrame.setFrameShape(QtGui.QFrame.StyledPanel)
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self.PreviewFrame.setFrameShadow(QtGui.QFrame.Sunken)
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self.PreviewFrame.setObjectName(u'PreviewFrame')
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self.grid = QtGui.QGridLayout(self.PreviewFrame)
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self.grid.setMargin(8)
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self.grid.setObjectName(u'grid')
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# Actual preview screen
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self.SlidePreview = QtGui.QLabel(self.PreviewFrame)
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sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed,
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QtGui.QSizePolicy.Fixed)
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sizePolicy.setHorizontalStretch(0)
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sizePolicy.setVerticalStretch(0)
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sizePolicy.setHeightForWidth(
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self.SlidePreview.sizePolicy().hasHeightForWidth())
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self.SlidePreview.setSizePolicy(sizePolicy)
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self.SlidePreview.setMinimumSize(QtCore.QSize(280, 210))
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self.SlidePreview.setFrameShape(QtGui.QFrame.Box)
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self.SlidePreview.setFrameShadow(QtGui.QFrame.Plain)
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self.SlidePreview.setLineWidth(1)
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self.SlidePreview.setScaledContents(True)
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self.SlidePreview.setObjectName(u'SlidePreview')
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self.grid.addWidget(self.SlidePreview, 0, 0, 1, 1)
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# Some events
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QtCore.QObject.connect(self.PreviewListView,
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QtCore.SIGNAL(u'clicked(QModelIndex)'), self.onSlideSelected)
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QtCore.QObject.connect(self.PreviewListView,
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QtCore.SIGNAL(u'activated(QModelIndex)'), self.onSlideSelected)
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QtCore.QObject.connect(self.PreviewListView,
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QtCore.SIGNAL(u'entered(QModelIndex)'), self.onTest)
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def onTest(self , item):
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print "found", item
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def onSlideSelectedFirst(self):
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"""
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Go to the first slide.
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"""
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row = self.PreviewListData.createIndex(0, 0)
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if row.isValid():
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self.PreviewListView.selectionModel().setCurrentIndex(row,
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QtGui.QItemSelectionModel.SelectCurrent)
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self.onSlideSelected(row)
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def onSlideSelectedNext(self):
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"""
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Go to the next slide.
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"""
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indexes = self.PreviewListView.selectedIndexes()
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rowNumber = 0
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for index in indexes:
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if index.row() == self.PreviewListData.rowCount() - 1:
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rowNumber = 0
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else:
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rowNumber = index.row() + 1
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row = self.PreviewListData.createIndex(rowNumber, 0)
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if row.isValid():
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self.PreviewListView.selectionModel().setCurrentIndex(row,
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QtGui.QItemSelectionModel.SelectCurrent)
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self.onSlideSelected(row)
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def onSlideSelectedPrevious(self):
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"""
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Go to the previous slide.
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"""
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indexes = self.PreviewListView.selectedIndexes()
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rowNumber = 0
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for index in indexes:
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if index.row() == 0:
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rowNumber = self.PreviewListData.rowCount() - 1
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else:
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rowNumber = index.row() - 1
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row = self.PreviewListData.createIndex(rowNumber, 0)
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if row.isValid():
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self.PreviewListView.selectionModel().setCurrentIndex(row,
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QtGui.QItemSelectionModel.SelectCurrent)
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self.onSlideSelected(row)
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def onSlideSelectedLast(self):
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"""
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Go to the last slide.
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"""
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row = self.PreviewListData.createIndex(
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self.PreviewListData.rowCount() - 1, 0)
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if row.isValid():
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self.PreviewListView.selectionModel().setCurrentIndex(row,
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QtGui.QItemSelectionModel.SelectCurrent)
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self.onSlideSelected(row)
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def onBlankScreen(self):
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"""
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Blank the screen.
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"""
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self.mainDisplay.blankDisplay()
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def onSlideSelected(self, index):
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"""
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Generate the preview when you click on a slide.
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"""
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frame = self.PreviewListData.getValue(index)
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self.previewFrame(frame)
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def previewFrame(self, frame):
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"""
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Generates a preview of the current slide.
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"""
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self.SlidePreview.setPixmap(QtGui.QPixmap.fromImage(frame[0]))
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if self.isLive:
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no = frame[1]
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LiveFrame = self.serviceitem.frames[no][u'image']
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self.parent.mainDisplay.frameView(LiveFrame)
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def addServiceItem(self, serviceitem):
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"""
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Loads a ServiceItem.
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"""
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log.debug(u'add Service Item')
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self.serviceitem = serviceitem
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self.serviceitem.render()
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self.PreviewListData.clear()
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framenumber = 0
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for frame in self.serviceitem.frames:
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self.PreviewListData.addRow(frame[u'image'], framenumber)
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framenumber += 1
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row = self.PreviewListData.createIndex(0, 0)
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if row.isValid():
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self.PreviewListView.selectionModel().setCurrentIndex(row,
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QtGui.QItemSelectionModel.SelectCurrent)
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self.onSlideSelected(row)
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def addServiceManagerItem(self, serviceitem, slideno):
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"""
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Loads a ServiceManagerItem.
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"""
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log.debug(u'add Service Manager Item')
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self.PreviewListData.clear()
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self.serviceitem = serviceitem
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framenumber = 0
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for frame in self.serviceitem.frames:
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self.PreviewListData.addRow(frame[u'image'], framenumber)
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framenumber += 1
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row = self.PreviewListData.createIndex(slideno, 0)
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if row.isValid():
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self.PreviewListView.selectionModel().setCurrentIndex(row,
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QtGui.QItemSelectionModel.SelectCurrent)
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self.onSlideSelected(row)
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