openlp/openlp/core/ui/displaytagtab.py

348 lines
16 KiB
Python

# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2011 Raoul Snyman #
# Portions copyright (c) 2008-2011 Tim Bentley, Jonathan Corwin, Michael #
# Gorven, Scott Guerrieri, Meinert Jordan, Andreas Preikschat, Christian #
# Richter, Philip Ridout, Maikel Stuivenberg, Martin Thompson, Jon Tibble, #
# Carsten Tinggaard, Frode Woldsund #
# --------------------------------------------------------------------------- #
# 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 #
###############################################################################
'''
The :mod:`DisplayTagTab` provides an Tag Edit facility. The Base set are
protected and included each time loaded. Custom tags can be defined and saved.
The Custom Tag arrays are saved in a pickle so QSettings works on them. Base
Tags cannot be changed.
'''
import cPickle
from PyQt4 import QtCore, QtGui
from openlp.core.lib import SettingsTab, translate, DisplayTags
from openlp.core.ui import criticalErrorMessageBox
class DisplayTagTab(SettingsTab):
'''
The :class:`DisplayTagTab` manages the settings tab .
'''
def __init__(self):
'''
Initialise the settings tab
'''
SettingsTab.__init__(self, u'Display Tags')
def resizeEvent(self, event=None):
pass
def preLoad(self):
"""
Initialise values before the Load takes place
"""
# Create initial copy from master
DisplayTags.reset_html_tags()
user_expands = QtCore.QSettings().value(u'displayTags/html_tags',
QtCore.QVariant(u'')).toString()
# cPickle only accepts str not unicode strings
user_expands_string = str(unicode(user_expands).encode(u'utf8'))
if user_expands_string:
user_tags = cPickle.loads(user_expands_string)
# If we have some user ones added them as well
for t in user_tags:
DisplayTags.add_html_tag(t)
self.selected = -1
def setupUi(self):
'''
Configure the UI elements for the tab.
'''
self.setObjectName(u'DisplayTagTab')
self.tabTitleVisible = \
translate(u'OpenLP.DisplayTagTab', 'Display Tags')
self.displayTagEdit = QtGui.QWidget(self)
self.editGroupBox = QtGui.QGroupBox(self.displayTagEdit)
self.editGroupBox.setGeometry(QtCore.QRect(10, 220, 650, 181))
self.editGroupBox.setObjectName(u'editGroupBox')
self.updatePushButton = QtGui.QPushButton(self.editGroupBox)
self.updatePushButton.setGeometry(QtCore.QRect(550, 140, 71, 26))
self.updatePushButton.setObjectName(u'updatePushButton')
self.layoutWidget = QtGui.QWidget(self.editGroupBox)
self.layoutWidget.setGeometry(QtCore.QRect(5, 20, 571, 114))
self.layoutWidget.setObjectName(u'layoutWidget')
self.formLayout = QtGui.QFormLayout(self.layoutWidget)
self.formLayout.setObjectName(u'formLayout')
self.descriptionLabel = QtGui.QLabel(self.layoutWidget)
self.descriptionLabel.setAlignment(QtCore.Qt.AlignCenter)
self.descriptionLabel.setObjectName(u'descriptionLabel')
self.formLayout.setWidget(0, QtGui.QFormLayout.LabelRole,
self.descriptionLabel)
self.descriptionLineEdit = QtGui.QLineEdit(self.layoutWidget)
self.descriptionLineEdit.setObjectName(u'descriptionLineEdit')
self.formLayout.setWidget(0, QtGui.QFormLayout.FieldRole,
self.descriptionLineEdit)
self.tagLabel = QtGui.QLabel(self.layoutWidget)
self.tagLabel.setAlignment(QtCore.Qt.AlignCenter)
self.tagLabel.setObjectName(u'tagLabel')
self.formLayout.setWidget(1, QtGui.QFormLayout.LabelRole, self.tagLabel)
self.tagLineEdit = QtGui.QLineEdit(self.layoutWidget)
self.tagLineEdit.setMaximumSize(QtCore.QSize(50, 16777215))
self.tagLineEdit.setMaxLength(5)
self.tagLineEdit.setObjectName(u'tagLineEdit')
self.formLayout.setWidget(1, QtGui.QFormLayout.FieldRole,
self.tagLineEdit)
self.startTagLabel = QtGui.QLabel(self.layoutWidget)
self.startTagLabel.setAlignment(QtCore.Qt.AlignCenter)
self.startTagLabel.setObjectName(u'startTagLabel')
self.formLayout.setWidget(2, QtGui.QFormLayout.LabelRole,
self.startTagLabel)
self.startTagLineEdit = QtGui.QLineEdit(self.layoutWidget)
self.startTagLineEdit.setObjectName(u'startTagLineEdit')
self.formLayout.setWidget(2, QtGui.QFormLayout.FieldRole,
self.startTagLineEdit)
self.endTagLabel = QtGui.QLabel(self.layoutWidget)
self.endTagLabel.setAlignment(QtCore.Qt.AlignCenter)
self.endTagLabel.setObjectName(u'endTagLabel')
self.formLayout.setWidget(3, QtGui.QFormLayout.LabelRole,
self.endTagLabel)
self.endTagLineEdit = QtGui.QLineEdit(self.layoutWidget)
self.endTagLineEdit.setObjectName(u'endTagLineEdit')
self.formLayout.setWidget(3, QtGui.QFormLayout.FieldRole,
self.endTagLineEdit)
self.defaultPushButton = QtGui.QPushButton(self.displayTagEdit)
self.defaultPushButton.setGeometry(QtCore.QRect(430, 188, 71, 26))
self.defaultPushButton.setObjectName(u'updatePushButton')
self.deletePushButton = QtGui.QPushButton(self.displayTagEdit)
self.deletePushButton.setGeometry(QtCore.QRect(510, 188, 71, 26))
self.deletePushButton.setObjectName(u'deletePushButton')
self.newPushButton = QtGui.QPushButton(self.displayTagEdit)
self.newPushButton.setGeometry(QtCore.QRect(600, 188, 71, 26))
self.newPushButton.setObjectName(u'newPushButton')
self.tagTableWidget = QtGui.QTableWidget(self.displayTagEdit)
self.tagTableWidget.setGeometry(QtCore.QRect(10, 10, 650, 171))
self.tagTableWidget.setHorizontalScrollBarPolicy(
QtCore.Qt.ScrollBarAlwaysOff)
self.tagTableWidget.setEditTriggers(
QtGui.QAbstractItemView.NoEditTriggers)
self.tagTableWidget.setAlternatingRowColors(True)
self.tagTableWidget.setSelectionMode(
QtGui.QAbstractItemView.SingleSelection)
self.tagTableWidget.setSelectionBehavior(
QtGui.QAbstractItemView.SelectRows)
self.tagTableWidget.setCornerButtonEnabled(False)
self.tagTableWidget.setObjectName(u'tagTableWidget')
self.tagTableWidget.setColumnCount(4)
self.tagTableWidget.setRowCount(0)
item = QtGui.QTableWidgetItem()
self.tagTableWidget.setHorizontalHeaderItem(0, item)
item = QtGui.QTableWidgetItem()
self.tagTableWidget.setHorizontalHeaderItem(1, item)
item = QtGui.QTableWidgetItem()
self.tagTableWidget.setHorizontalHeaderItem(2, item)
item = QtGui.QTableWidgetItem()
self.tagTableWidget.setHorizontalHeaderItem(3, item)
self.editGroupBox.setTitle(
translate('OpenLP.DisplayTagTab', 'Edit Selection'))
self.updatePushButton.setText(
translate('OpenLP.DisplayTagTab', 'Update'))
self.descriptionLabel.setText(
translate('OpenLP.DisplayTagTab', 'Description'))
self.tagLabel.setText(translate('OpenLP.DisplayTagTab', 'Tag'))
self.startTagLabel.setText(
translate('OpenLP.DisplayTagTab', 'Start tag'))
self.endTagLabel.setText(translate('OpenLP.DisplayTagTab', 'End tag'))
self.deletePushButton.setText(
translate('OpenLP.DisplayTagTab', 'Delete'))
self.defaultPushButton.setText(
translate('OpenLP.DisplayTagTab', 'Default'))
self.newPushButton.setText(translate('OpenLP.DisplayTagTab', 'New'))
self.tagTableWidget.horizontalHeaderItem(0)\
.setText(translate('OpenLP.DisplayTagTab', 'Description'))
self.tagTableWidget.horizontalHeaderItem(1)\
.setText(translate('OpenLP.DisplayTagTab', 'Tag id'))
self.tagTableWidget.horizontalHeaderItem(2)\
.setText(translate('OpenLP.DisplayTagTab', 'Start Html'))
self.tagTableWidget.horizontalHeaderItem(3)\
.setText(translate('OpenLP.DisplayTagTab', 'End Html'))
QtCore.QMetaObject.connectSlotsByName(self.displayTagEdit)
self.tagTableWidget.setColumnWidth(0, 120)
self.tagTableWidget.setColumnWidth(1, 40)
self.tagTableWidget.setColumnWidth(2, 240)
self.tagTableWidget.setColumnWidth(3, 200)
QtCore.QObject.connect(self.tagTableWidget,
QtCore.SIGNAL(u'clicked(QModelIndex)'), self.onRowSelected)
QtCore.QObject.connect(self.defaultPushButton,
QtCore.SIGNAL(u'pressed()'), self.onDefaultPushed)
QtCore.QObject.connect(self.newPushButton,
QtCore.SIGNAL(u'pressed()'), self.onNewPushed)
QtCore.QObject.connect(self.updatePushButton,
QtCore.SIGNAL(u'pressed()'), self.onUpdatePushed)
QtCore.QObject.connect(self.deletePushButton,
QtCore.SIGNAL(u'pressed()'), self.onDeletePushed)
def load(self):
"""
Load Display and set field state.
"""
self.newPushButton.setEnabled(True)
self.updatePushButton.setEnabled(False)
self.deletePushButton.setEnabled(False)
for linenumber, html in enumerate(DisplayTags.get_html_tags()):
self.tagTableWidget.setRowCount(
self.tagTableWidget.rowCount() + 1)
self.tagTableWidget.setItem(linenumber, 0,
QtGui.QTableWidgetItem(html[u'desc']))
self.tagTableWidget.setItem(linenumber, 1,
QtGui.QTableWidgetItem(self._strip(html[u'start tag'])))
self.tagTableWidget.setItem(linenumber, 2,
QtGui.QTableWidgetItem(html[u'start html']))
self.tagTableWidget.setItem(linenumber, 3,
QtGui.QTableWidgetItem(html[u'end html']))
self.tagTableWidget.resizeRowsToContents()
self.descriptionLineEdit.setText(u'')
self.tagLineEdit.setText(u'')
self.startTagLineEdit.setText(u'')
self.endTagLineEdit.setText(u'')
self.descriptionLineEdit.setEnabled(False)
self.tagLineEdit.setEnabled(False)
self.startTagLineEdit.setEnabled(False)
self.endTagLineEdit.setEnabled(False)
def save(self):
"""
Save Custom tags in a pickle .
"""
temp = []
for tag in DisplayTags.get_html_tags():
if not tag[u'protected']:
temp.append(tag)
if temp:
ctemp = cPickle.dumps(temp)
QtCore.QSettings().setValue(u'displayTags/html_tags',
QtCore.QVariant(ctemp))
else:
QtCore.QSettings().setValue(u'displayTags/html_tags',
QtCore.QVariant(u''))
def cancel(self):
"""
Reset Custom tags from Settings.
"""
self.preLoad()
self._resetTable()
def onRowSelected(self):
"""
Table Row selected so display items and set field state.
"""
row = self.tagTableWidget.currentRow()
html = DisplayTags.get_html_tags()[row]
self.selected = row
self.descriptionLineEdit.setText(html[u'desc'])
self.tagLineEdit.setText(self._strip(html[u'start tag']))
self.startTagLineEdit.setText(html[u'start html'])
self.endTagLineEdit.setText(html[u'end html'])
if html[u'protected']:
self.descriptionLineEdit.setEnabled(False)
self.tagLineEdit.setEnabled(False)
self.startTagLineEdit.setEnabled(False)
self.endTagLineEdit.setEnabled(False)
self.updatePushButton.setEnabled(False)
self.deletePushButton.setEnabled(False)
else:
self.descriptionLineEdit.setEnabled(True)
self.tagLineEdit.setEnabled(True)
self.startTagLineEdit.setEnabled(True)
self.endTagLineEdit.setEnabled(True)
self.updatePushButton.setEnabled(True)
self.deletePushButton.setEnabled(True)
def onNewPushed(self):
"""
Add a new tag to list only if it is not a duplicate.
"""
for html in DisplayTags.get_html_tags():
if self._strip(html[u'start tag']) == u'n':
criticalErrorMessageBox(
translate('OpenLP.DisplayTagTab', 'Update Error'),
translate('OpenLP.DisplayTagTab',
'Tag "n" already defined.'))
return
# Add new tag to list
tag = {u'desc': u'New Item', u'start tag': u'{n}',
u'start html': u'<Html_here>', u'end tag': u'{/n}',
u'end html': u'</and here>', u'protected': False}
DisplayTags.add_html_tag(tag)
self._resetTable()
# Highlight new row
self.tagTableWidget.selectRow(self.tagTableWidget.rowCount() - 1)
def onDefaultPushed(self):
"""
Remove all Custom Tags and reset to base set only.
"""
DisplayTags.reset_html_tags()
self._resetTable()
def onDeletePushed(self):
"""
Delete selected custom tag.
"""
if self.selected != -1:
DisplayTags.remove_html_tag(self.selected)
self.selected = -1
self._resetTable()
def onUpdatePushed(self):
"""
Update Custom Tag details if not duplicate.
"""
html_expands = DisplayTags.get_html_tags()
if self.selected != -1:
html = html_expands[self.selected]
tag = unicode(self.tagLineEdit.text())
for linenumber, html1 in enumerate(html_expands):
if self._strip(html1[u'start tag']) == tag and \
linenumber != self.selected:
criticalErrorMessageBox(
translate('OpenLP.DisplayTagTab', 'Update Error'),
unicode(translate('OpenLP.DisplayTagTab',
'Tag %s already defined.')) % tag)
return
html[u'desc'] = unicode(self.descriptionLineEdit.text())
html[u'start html'] = unicode(self.startTagLineEdit.text())
html[u'end html'] = unicode(self.endTagLineEdit.text())
html[u'start tag'] = u'{%s}' % tag
html[u'end tag'] = u'{/%s}' % tag
self.selected = -1
self._resetTable()
def _resetTable(self):
"""
Reset List for loading.
"""
self.tagTableWidget.clearContents()
self.tagTableWidget.setRowCount(0)
self.load()
def _strip(self, tag):
"""
Remove tag wrappers for editing.
"""
tag = tag.replace(u'{', u'')
tag = tag.replace(u'}', u'')
return tag