forked from openlp/openlp
299 lines
12 KiB
Python
299 lines
12 KiB
Python
# -*- 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:``wizard`` module provides generic wizard tools for OpenLP.
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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 Registry, Settings, UiStrings, build_icon, translate
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from openlp.core.lib.ui import add_welcome_page
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log = logging.getLogger(__name__)
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class WizardStrings(object):
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"""
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Provide standard strings for wizards to use.
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"""
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# Applications/Formats we import from or export to. These get used in
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# multiple places but do not need translating unless you find evidence of
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# the writers translating their own product name.
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CSV = u'CSV'
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OS = u'OpenSong'
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OSIS = u'OSIS'
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# These strings should need a good reason to be retranslated elsewhere.
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FinishedImport = translate('OpenLP.Ui', 'Finished import.')
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FormatLabel = translate('OpenLP.Ui', 'Format:')
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HeaderStyle = u'<span style="font-size:14pt; font-weight:600;">%s</span>'
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Importing = translate('OpenLP.Ui', 'Importing')
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ImportingType = translate('OpenLP.Ui', 'Importing "%s"...')
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ImportSelect = translate('OpenLP.Ui', 'Select Import Source')
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ImportSelectLong = translate('OpenLP.Ui',
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'Select the import format and the location to import from.')
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NoSqlite = translate('OpenLP.Ui', 'The openlp.org 1.x importer has been '
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'disabled due to a missing Python module. If you want to use this '
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'importer, you will need to install the "python-sqlite" module.')
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OpenTypeFile = translate('OpenLP.Ui', 'Open %s File')
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OpenTypeFolder = translate('OpenLP.Ui', 'Open %s Folder')
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PercentSymbolFormat = translate('OpenLP.Ui', '%p%')
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Ready = translate('OpenLP.Ui', 'Ready.')
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StartingImport = translate('OpenLP.Ui', 'Starting import...')
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YouSpecifyFile = translate('OpenLP.Ui', 'You need to specify one '
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'%s file to import from.', 'A file type e.g. OpenSong')
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YouSpecifyFiles = translate('OpenLP.Ui', 'You need to specify at '
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'least one %s file to import from.', 'A file type e.g. OpenSong')
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YouSpecifyFolder = translate('OpenLP.Ui', 'You need to specify one '
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'%s folder to import from.', 'A song format e.g. PowerSong')
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class OpenLPWizard(QtGui.QWizard):
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"""
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Generic OpenLP wizard to provide generic functionality and a unified look
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and feel.
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"""
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def __init__(self, parent, plugin, name, image):
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"""
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Constructor
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"""
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QtGui.QWizard.__init__(self, parent)
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self.plugin = plugin
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self.setObjectName(name)
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self.openIcon = build_icon(u':/general/general_open.png')
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self.deleteIcon = build_icon(u':/general/general_delete.png')
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self.finishButton = self.button(QtGui.QWizard.FinishButton)
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self.cancelButton = self.button(QtGui.QWizard.CancelButton)
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self.setupUi(image)
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self.registerFields()
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self.customInit()
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self.customSignals()
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QtCore.QObject.connect(self, QtCore.SIGNAL(u'currentIdChanged(int)'), self.onCurrentIdChanged)
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QtCore.QObject.connect(self.errorCopyToButton, QtCore.SIGNAL(u'clicked()'), self.onErrorCopyToButtonClicked)
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QtCore.QObject.connect(self.errorSaveToButton, QtCore.SIGNAL(u'clicked()'), self.onErrorSaveToButtonClicked)
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def setupUi(self, image):
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"""
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Set up the wizard UI.
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"""
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self.setModal(True)
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self.setWizardStyle(QtGui.QWizard.ModernStyle)
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self.setOptions(QtGui.QWizard.IndependentPages |
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QtGui.QWizard.NoBackButtonOnStartPage |
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QtGui.QWizard.NoBackButtonOnLastPage)
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add_welcome_page(self, image)
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self.addCustomPages()
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self.addProgressPage()
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self.retranslateUi()
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def registerFields(self):
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"""
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Hook method for wizards to register any fields they need.
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"""
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pass
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def addProgressPage(self):
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"""
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Add the progress page for the wizard. This page informs the user how
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the wizard is progressing with its task.
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"""
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self.progressPage = QtGui.QWizardPage()
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self.progressPage.setObjectName(u'progressPage')
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self.progressLayout = QtGui.QVBoxLayout(self.progressPage)
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self.progressLayout.setMargin(48)
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self.progressLayout.setObjectName(u'progressLayout')
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self.progressLabel = QtGui.QLabel(self.progressPage)
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self.progressLabel.setObjectName(u'progressLabel')
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self.progressLabel.setWordWrap(True)
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self.progressLayout.addWidget(self.progressLabel)
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self.progressBar = QtGui.QProgressBar(self.progressPage)
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self.progressBar.setObjectName(u'progressBar')
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self.progressLayout.addWidget(self.progressBar)
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# Add a QTextEdit and a copy to file and copy to clipboard button to be
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# able to provide feedback to the user. Hidden by default.
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self.errorReportTextEdit = QtGui.QTextEdit(self.progressPage)
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self.errorReportTextEdit.setObjectName(u'progresserrorReportTextEdit')
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self.errorReportTextEdit.setHidden(True)
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self.errorReportTextEdit.setReadOnly(True)
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self.progressLayout.addWidget(self.errorReportTextEdit)
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self.errorButtonLayout = QtGui.QHBoxLayout()
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self.errorButtonLayout.setObjectName(u'errorButtonLayout')
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spacer = QtGui.QSpacerItem(40, 20, QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Minimum)
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self.errorButtonLayout.addItem(spacer)
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self.errorCopyToButton = QtGui.QPushButton(self.progressPage)
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self.errorCopyToButton.setObjectName(u'errorCopyToButton')
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self.errorCopyToButton.setHidden(True)
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self.errorCopyToButton.setIcon(build_icon(u':/system/system_edit_copy.png'))
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self.errorButtonLayout.addWidget(self.errorCopyToButton)
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self.errorSaveToButton = QtGui.QPushButton(self.progressPage)
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self.errorSaveToButton.setObjectName(u'errorSaveToButton')
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self.errorSaveToButton.setHidden(True)
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self.errorSaveToButton.setIcon(build_icon(u':/general/general_save.png'))
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self.errorButtonLayout.addWidget(self.errorSaveToButton)
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self.progressLayout.addLayout(self.errorButtonLayout)
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self.addPage(self.progressPage)
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def exec_(self):
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"""
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Run the wizard.
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"""
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self.setDefaults()
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return QtGui.QWizard.exec_(self)
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def reject(self):
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"""
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Stop the wizard on cancel button, close button or ESC key.
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"""
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log.debug(u'Wizard cancelled by user.')
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if self.currentPage() == self.progressPage:
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Registry().execute(u'openlp_stop_wizard')
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self.done(QtGui.QDialog.Rejected)
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def onCurrentIdChanged(self, pageId):
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"""
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Perform necessary functions depending on which wizard page is active.
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"""
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if self.page(pageId) == self.progressPage:
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self.preWizard()
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self.performWizard()
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self.postWizard()
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else:
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self.customPageChanged(pageId)
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def customPageChanged(self, pageId):
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"""
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Called when changing to a page other than the progress page
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"""
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pass
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def onErrorCopyToButtonClicked(self):
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"""
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Called when the ``onErrorCopyToButtonClicked`` has been clicked.
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"""
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pass
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def onErrorSaveToButtonClicked(self):
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"""
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Called when the ``onErrorSaveToButtonClicked`` has been clicked.
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"""
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pass
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def incrementProgressBar(self, status_text, increment=1):
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"""
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Update the wizard progress page.
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``status_text``
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Current status information to display.
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``increment``
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The value to increment the progress bar by.
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"""
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log.debug(u'IncrementBar %s', status_text)
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self.progressLabel.setText(status_text)
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if increment > 0:
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self.progressBar.setValue(self.progressBar.value() + increment)
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self.application.process_events()
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def preWizard(self):
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"""
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Prepare the UI for the import.
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"""
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self.finishButton.setVisible(False)
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self.progressBar.setMinimum(0)
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self.progressBar.setMaximum(1188)
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self.progressBar.setValue(0)
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def postWizard(self):
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"""
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Clean up the UI after the import has finished.
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"""
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self.progressBar.setValue(self.progressBar.maximum())
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self.finishButton.setVisible(True)
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self.cancelButton.setVisible(False)
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self.application.process_events()
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def getFileName(self, title, editbox, setting_name, filters=u''):
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"""
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Opens a QFileDialog and saves the filename to the given editbox.
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``title``
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The title of the dialog (unicode).
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``editbox``
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An editbox (QLineEdit).
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``setting_name``
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The place where to save the last opened directory.
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``filters``
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The file extension filters. It should contain the file description
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as well as the file extension. For example::
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u'OpenLP 2.0 Databases (*.sqlite)'
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"""
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if filters:
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filters += u';;'
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filters += u'%s (*)' % UiStrings().AllFiles
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filename = QtGui.QFileDialog.getOpenFileName(self, title,
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os.path.dirname(Settings().value(self.plugin.settingsSection + u'/' + setting_name)), filters)
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if filename:
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editbox.setText(filename)
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Settings().setValue(self.plugin.settingsSection + u'/' + setting_name, filename)
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def getFolder(self, title, editbox, setting_name):
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"""
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Opens a QFileDialog and saves the selected folder to the given editbox.
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``title``
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The title of the dialog (unicode).
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``editbox``
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An editbox (QLineEdit).
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``setting_name``
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The place where to save the last opened directory.
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"""
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folder = QtGui.QFileDialog.getExistingDirectory(self, title,
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Settings().value(self.plugin.settingsSection + u'/' + setting_name),
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QtGui.QFileDialog.ShowDirsOnly)
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if folder:
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editbox.setText(folder)
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Settings().setValue(self.plugin.settingsSection + u'/' + setting_name, folder)
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def _get_application(self):
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"""
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Adds the openlp to the class dynamically
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"""
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if not hasattr(self, u'_application'):
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self._application = Registry().get(u'application')
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return self._application
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application = property(_get_application)
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