forked from openlp/openlp
226 lines
8.4 KiB
Python
226 lines
8.4 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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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2014 Raoul Snyman #
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# Portions copyright (c) 2008-2014 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 #
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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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import logging
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from PyQt4 import QtCore
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from openlp.core.lib import Plugin, StringContent, build_icon, translate
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from openlp.core.lib.db import Manager
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from openlp.core.lib.ui import create_action, UiStrings
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from openlp.core.lib.settings import Settings
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from openlp.core.lib.theme import VerticalType
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from openlp.core.utils.actions import ActionList
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from openlp.plugins.alerts.lib import AlertsManager, AlertsTab
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from openlp.plugins.alerts.lib.db import init_schema
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from openlp.plugins.alerts.forms import AlertForm
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log = logging.getLogger(__name__)
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JAVASCRIPT = """
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function show_alert(alerttext, position){
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var text = document.getElementById('alert');
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text.innerHTML = alerttext;
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if(alerttext == '') {
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text.style.visibility = 'hidden';
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return 0;
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}
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if(position == ''){
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position = getComputedStyle(text, '').verticalAlign;
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}
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switch(position)
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{
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case 'top':
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text.style.top = '0px';
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break;
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case 'middle':
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text.style.top = ((window.innerHeight - text.clientHeight) / 2)
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+ 'px';
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break;
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case 'bottom':
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text.style.top = (window.innerHeight - text.clientHeight)
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+ 'px';
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break;
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}
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text.style.visibility = 'visible';
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return text.clientHeight;
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}
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function update_css(align, font, size, color, bgcolor){
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var text = document.getElementById('alert');
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text.style.fontSize = size + "pt";
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text.style.fontFamily = font;
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text.style.color = color;
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text.style.backgroundColor = bgcolor;
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switch(align)
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{
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case 'top':
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text.style.top = '0px';
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break;
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case 'middle':
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text.style.top = ((window.innerHeight - text.clientHeight) / 2)
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+ 'px';
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break;
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case 'bottom':
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text.style.top = (window.innerHeight - text.clientHeight)
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+ 'px';
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break;
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}
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}
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"""
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CSS = """
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#alert {
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position: absolute;
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left: 0px;
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top: 0px;
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z-index: 10;
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width: 100%%;
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vertical-align: %s;
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font-family: %s;
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font-size: %spt;
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color: %s;
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background-color: %s;
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word-wrap: break-word;
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}
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"""
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HTML = """
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<div id="alert" style="visibility:hidden"></div>
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"""
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class AlertsPlugin(Plugin):
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log.info(u'Alerts Plugin loaded')
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def __init__(self, plugin_helpers):
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Plugin.__init__(self, u'alerts', plugin_helpers,
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settings_tab_class=AlertsTab)
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self.weight = -3
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self.iconPath = u':/plugins/plugin_alerts.png'
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self.icon = build_icon(self.iconPath)
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self.alertsmanager = AlertsManager(self)
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self.manager = Manager(u'alerts', init_schema)
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self.alertForm = AlertForm(self)
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def addToolsMenuItem(self, tools_menu):
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"""
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Give the alerts plugin the opportunity to add items to the
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**Tools** menu.
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``tools_menu``
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The actual **Tools** menu item, so that your actions can
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use it as their parent.
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"""
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log.info(u'add tools menu')
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self.toolsAlertItem = create_action(tools_menu, u'toolsAlertItem',
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text=translate('AlertsPlugin', '&Alert'),
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icon=u':/plugins/plugin_alerts.png',
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statustip=translate('AlertsPlugin', 'Show an alert message.'),
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visible=False, shortcuts=[u'F7'], triggers=self.onAlertsTrigger)
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self.serviceManager.mainwindow.toolsMenu.addAction(self.toolsAlertItem)
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def initialise(self):
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log.info(u'Alerts Initialising')
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Plugin.initialise(self)
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self.toolsAlertItem.setVisible(True)
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action_list = ActionList.get_instance()
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action_list.add_action(self.toolsAlertItem, unicode(UiStrings().Tools))
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def finalise(self):
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"""
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Tidy up on exit
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"""
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log.info(u'Alerts Finalising')
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self.manager.finalise()
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Plugin.finalise(self)
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self.toolsAlertItem.setVisible(False)
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action_list = ActionList.get_instance()
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action_list.remove_action(self.toolsAlertItem, u'Tools')
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def toggleAlertsState(self):
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self.alertsActive = not self.alertsActive
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Settings().setValue(self.settingsSection + u'/active',
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QtCore.QVariant(self.alertsActive))
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def onAlertsTrigger(self):
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self.alertForm.loadList()
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self.alertForm.exec_()
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def about(self):
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about_text = translate('AlertsPlugin', '<strong>Alerts Plugin</strong>'
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'<br />The alert plugin controls the displaying of nursery alerts '
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'on the display screen.')
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return about_text
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def setPluginTextStrings(self):
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"""
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Called to define all translatable texts of the plugin
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"""
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## Name PluginList ##
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self.textStrings[StringContent.Name] = {
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u'singular': translate('AlertsPlugin', 'Alert', 'name singular'),
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u'plural': translate('AlertsPlugin', 'Alerts', 'name plural')
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}
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## Name for MediaDockManager, SettingsManager ##
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self.textStrings[StringContent.VisibleName] = {
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u'title': translate('AlertsPlugin', 'Alerts', 'container title')
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}
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def getDisplayJavaScript(self):
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"""
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Add Javascript to the main display.
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"""
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return JAVASCRIPT
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def getDisplayCss(self):
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"""
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Add CSS to the main display.
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"""
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align = VerticalType.Names[self.settingsTab.location]
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return CSS % (align, self.settingsTab.font_face,
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self.settingsTab.font_size, self.settingsTab.font_color,
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self.settingsTab.bg_color)
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def getDisplayHtml(self):
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"""
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Add HTML to the main display.
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"""
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return HTML
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def refreshCss(self, frame):
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"""
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Trigger an update of the CSS in the maindisplay.
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``frame``
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The Web frame holding the page.
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"""
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align = VerticalType.Names[self.settingsTab.location]
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frame.evaluateJavaScript(u'update_css("%s", "%s", "%s", "%s", "%s")' %
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(align, self.settingsTab.font_face, self.settingsTab.font_size,
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self.settingsTab.font_color, self.settingsTab.bg_color))
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