forked from openlp/openlp
Pull preview_list_widget out into separate file. Not yet changed calls to this new class.
This commit is contained in:
Patrick Zimmermann
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7133c0ef0b
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9220beba78
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# -*- 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) 2008-2013 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, Patrick Zimmermann #
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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:`slidecontroller` module contains the most important part of OpenLP - the slide controller
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"""
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from PyQt4 import QtCore, QtGui
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from openlp.core.lib import ImageSource, Registry, ServiceItem
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class ListPreviewWidget(object):
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def __init__(self, parent, is_live):
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# Controller list view
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self.is_live = is_live
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self.preview_table_widget = QtGui.QTableWidget(parent)
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self.preview_table_widget.setColumnCount(1)
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self.preview_table_widget.horizontalHeader().setVisible(False)
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self.preview_table_widget.setColumnWidth(0, parent.width())
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self.preview_table_widget.setObjectName(u'preview_table_widget')
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self.preview_table_widget.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
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self.preview_table_widget.setSelectionMode(QtGui.QAbstractItemView.SingleSelection)
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self.preview_table_widget.setEditTriggers(QtGui.QAbstractItemView.NoEditTriggers)
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self.preview_table_widget.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
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self.preview_table_widget.setAlternatingRowColors(True)
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self.service_item = ServiceItem()
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self.clicked = QtCore.pyqtSignal()
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self.double_clicked = QtCore.pyqtSignal()
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if not self.is_live:
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self.preview_table_widget.doubleClicked.connect(self.double_clicked)
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self.preview_table_widget.clicked.connect(self.clicked)
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def clicked(self):
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self.clicked.emit()
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def double_clicked(self):
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self.double_clicked.emit()
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def get_preview_widget(self):
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return self.preview_table_widget
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def set_active(self, active):
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if active:
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self.preview_table_widget.show()
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else:
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self.preview_table_widget.hide()
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def replace_service_manager_item(self, service_item, width):
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self.service_item = service_item
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self._refresh(width)
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def preview_size_changed(self, width, ratio):
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"""
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Takes care of the SlidePreview's size. Is called when one of the the
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splitters is moved or when the screen size is changed. Note, that this
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method is (also) called frequently from the mainwindow *paintEvent*.
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"""
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self.preview_table_widget.setColumnWidth(0, self.preview_table_widget.viewport().size().width())
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if self.service_item:
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# Sort out songs, bibles, etc.
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if self.service_item.is_text():
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self.preview_table_widget.resizeRowsToContents()
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else:
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# Sort out image heights.
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for framenumber in range(len(self.service_item.get_frames())):
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self.preview_table_widget.setRowHeight(framenumber, width / ratio)
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def _refresh(self, width, ratio):
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"""
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Loads a ServiceItem into the system from ServiceManager
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Display the slide number passed
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"""
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self.preview_table_widget.clear()
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self.preview_table_widget.setRowCount(0)
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self.preview_table_widget.setColumnWidth(0, width)
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row = 0
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text = []
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for framenumber, frame in enumerate(self.service_item.get_frames()):
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self.preview_table_widget.setRowCount(self.preview_table_widget.rowCount() + 1)
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item = QtGui.QTableWidgetItem()
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slideHeight = 0
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if self.service_item.is_text():
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if frame[u'verseTag']:
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# These tags are already translated.
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verse_def = frame[u'verseTag']
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verse_def = u'%s%s' % (verse_def[0], verse_def[1:])
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two_line_def = u'%s\n%s' % (verse_def[0], verse_def[1:])
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row = two_line_def
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else:
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row += 1
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item.setText(frame[u'text'])
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else:
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label = QtGui.QLabel()
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label.setMargin(4)
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if self.service_item.is_media():
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label.setAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter)
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else:
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label.setScaledContents(True)
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self.preview_table_widget.setCellWidget(framenumber, 0, label)
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slideHeight = width / ratio
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row += 1
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text.append(unicode(row))
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self.preview_table_widget.setItem(framenumber, 0, item)
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if slideHeight:
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self.preview_table_widget.setRowHeight(framenumber, slideHeight)
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self.preview_table_widget.setVerticalHeaderLabels(text)
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if self.service_item.is_text():
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self.preview_table_widget.resizeRowsToContents()
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self.preview_table_widget.setColumnWidth(0, self.preview_table_widget.viewport().size().width())
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#stuff happens here, perhaps the setFocus has to happen later...
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self.preview_table_widget.setFocus()
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def __updatePreviewSelection(self, slideno):
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"""
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Utility method to update the selected slide in the list.
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"""
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if slideno > self.preview_table_widget.rowCount():
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self.preview_table_widget.selectRow(
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self.preview_table_widget.rowCount() - 1)
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else:
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self.__checkUpdateSelectedSlide(slideno)
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def __checkUpdateSelectedSlide(self, row):
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"""
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Check if this slide has been updated
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"""
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if row + 1 < self.preview_table_widget.rowCount():
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self.preview_table_widget.scrollToItem(self.preview_table_widget.item(row + 1, 0))
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self.preview_table_widget.selectRow(row)
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def _get_image_manager(self):
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"""
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Adds the image manager to the class dynamically
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"""
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if not hasattr(self, u'_image_manager'):
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self._image_manager = Registry().get(u'image_manager')
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return self._image_manager
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image_manager = property(_get_image_manager)
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def _get_main_window(self):
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"""
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Adds the main window to the class dynamically
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"""
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if not hasattr(self, u'_main_window'):
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self._main_window = Registry().get(u'main_window')
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return self._main_window
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main_window = property(_get_main_window)
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