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Add distributed event handling 

Added display updates when Bibles load
Try to fix the creeping progress bar.

bzr-revno: 299
This commit is contained in:
Tim Bentley 2009-02-08 15:25:00 +00:00
parent 49ed24a69b
commit 557114fd7f
11 changed files with 111 additions and 39 deletions
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3
openlp/core/lib/__init__.py
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@ -25,6 +25,7 @@ from mediamanageritem import MediaManagerItem
from event import Event
from xmlrootclass import XmlRootClass
from serviceitem import ServiceItem
from eventreceiver import Receiver
__all__ = ['PluginConfig', 'Plugin', 'PluginUtils', 'SettingsTab', 'MediaManagerItem', 'Event',
'XmlRootClass', 'ServiceItem']
'XmlRootClass', 'ServiceItem', "Receiver"]

60
openlp/core/lib/eventreceiver.py Normal file
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@ -0,0 +1,60 @@
# -*- coding: utf-8 -*-
"""
OpenLP - Open Source Lyrics Projection
Copyright (c) 2008 Raoul Snyman
Portions copyright (c) 2008 Martin Thompson, Tim Bentley,
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
"""
from PyQt4.QtCore import *
class EventReceiver(QObject):
"""
Class to allow events to be passed from different parts of the system.
This is a private class and should not be used directly but via the Receiver class
"""
def __init__(self):
QObject.__init__(self)
def send_repaint(self):
self.emit(SIGNAL("openlprepaint"), None)
def received(self, msg=None):
print msg
class Receiver():
"""
Class to allow events to be passed from different parts of the system.
This is a static wrapper arounf the EventReceiver class.
As there is only one instance of it in the systems the QT signal/slot architecture
can send messages across the system
Send message
receiver = Receiver()
receiver.send_repaint()
Receive Message
self.receiver = Receiver()
QtCore.QObject.connect(self.receiver.get_receiver(),QtCore.SIGNAL("openlprepaint"),<<ACTION>>)
"""
eventreceiver=EventReceiver()
@staticmethod
def send_repaint():
Receiver.eventreceiver.send_repaint()
@staticmethod
def receive():
Receiver.eventreceiver.receive()
@staticmethod
def get_receiver():
return Receiver.eventreceiver

2
openlp/core/lib/mediamanageritem.py
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@ -42,7 +42,7 @@ class MediaManagerItem(QtGui.QWidget):
self.title = title
self.Toolbar = None
#self.ToolbarButtons = []
def addToolbar(self):
"""
A method to help developers easily add a toolbar to the media manager

6
openlp/core/lib/plugin.py
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@ -116,12 +116,6 @@ class Plugin(object):
"""
pass
def add_repaint_main_window(self, repaint_main_window):
"""
Create ability to repaint main window.
"""
self.repaint_main_window = repaint_main_window
def get_settings_tab(self):
"""
Create a menu item and add it to the "Import" menu.

5
openlp/core/pluginmanager.py
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@ -114,8 +114,3 @@ class PluginManager(object):
def hook_handle_event(self, event):
pass
def hook_repaint_main_window(self, repaint_main_window):
for plugin in self.plugins:
plugin.add_repaint_main_window(repaint_main_window)

1
openlp/core/ui/__init__.py
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@ -24,4 +24,5 @@ from alertform import AlertForm
from settings import SettingsDialog
from mainwindow import MainWindow
__all__ = ['SplashScreen', 'AboutForm', 'AlertForm', 'SettingsDialog', 'MainWindow']

17
openlp/core/ui/mainwindow.py
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@ -18,12 +18,14 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
"""
import os
from time import sleep
from PyQt4 import *
from PyQt4 import QtCore, QtGui
from openlp.core.resources import *
from openlp.core.ui import AboutForm, AlertForm, SettingsDialog
from openlp.core.lib import Plugin, MediaManagerItem, SettingsTab
from openlp.core.lib import Plugin, MediaManagerItem, SettingsTab, Receiver
from openlp.core import PluginManager
class MainWindow(object):
@ -37,10 +39,12 @@ class MainWindow(object):
pluginpath = os.path.abspath(os.path.join(pluginpath, '..', '..','plugins'))
self.plugin_manager = PluginManager(pluginpath)
self.setupUi()
def repaint_window(self):
self.main_window.update()
self.receiver = Receiver()
QtCore.QObject.connect(self.receiver.get_receiver(),QtCore.SIGNAL("openlprepaint"),self.repaint)
def repaint(self):
self.main_window.repaint()
def setupUi(self):
self.main_window.setObjectName("main_window")
self.main_window.resize(1087, 847)
@ -122,8 +126,6 @@ class MainWindow(object):
self.FileExportMenu.setObjectName("FileExportMenu")
# Call the hook method to pull in export menus.
self.plugin_manager.hook_import_menu(self.FileExportMenu)
# Call the hook method to export refresh.
self.plugin_manager.hook_repaint_main_window(self.repaint_window)
#
self.OptionsMenu = QtGui.QMenu(self.MenuBar)
self.OptionsMenu.setObjectName("OptionsMenu")
@ -405,6 +407,7 @@ class MainWindow(object):
QtCore.QObject.connect(self.ToolsAlertItem, QtCore.SIGNAL("triggered()"), self.onToolsAlertItemClicked)
QtCore.QObject.connect(self.OptionsSettingsItem, QtCore.SIGNAL("triggered()"), self.onOptionsSettingsItemClicked)
def retranslateUi(self):
self.main_window.setWindowTitle(QtGui.QApplication.translate("main_window", "openlp.org 2.0", None, QtGui.QApplication.UnicodeUTF8))
self.FileMenu.setTitle(QtGui.QApplication.translate("main_window", "&File", None, QtGui.QApplication.UnicodeUTF8))

12
openlp/plugins/bibles/bibleplugin.py
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@ -25,7 +25,7 @@ from PyQt4.QtCore import *
from PyQt4.QtGui import *
from openlp.core.resources import *
from openlp.core.lib import Plugin,PluginUtils, MediaManagerItem
from openlp.core.lib import Plugin,PluginUtils, MediaManagerItem, Receiver
from openlp.plugins.bibles.lib import BibleManager
from openlp.plugins.bibles.forms import BibleImportForm
@ -48,7 +48,12 @@ class BiblePlugin(Plugin, PluginUtils):
#Register the bible Manager
self.biblemanager = BibleManager(self.config)
self.searchresults = {} # place to store the search results
self.receiver = Receiver()
QtCore.QObject.connect(self.receiver.get_receiver(),QtCore.SIGNAL("openlprepaint"),self.repaint)
def repaint(self):
self.MediaManagerItem.repaint()
def get_media_manager_item(self):
# Create the MediaManagerItem object
self.MediaManagerItem = MediaManagerItem(self.icon, 'Bible Verses')
@ -251,9 +256,6 @@ class BiblePlugin(Plugin, PluginUtils):
def onBibleAddClick(self):
pass
def refresh(self):
self.repaint_main_window()
def reload_bibles(self):
self.biblemanager.reload_bibles()
self._initialise_form()

29
openlp/plugins/bibles/forms/bibleimportform.py
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@ -16,7 +16,8 @@ from PyQt4.QtGui import QDialog
from PyQt4.QtCore import pyqtSignature
from bibleimportdialog import Ui_BibleImportDialog
from openlp.core.lib import PluginUtils
from openlp.core.lib import PluginUtils, Receiver
class BibleImportForm(QDialog, Ui_BibleImportDialog, PluginUtils):
global log
@ -36,11 +37,17 @@ class BibleImportForm(QDialog, Ui_BibleImportDialog, PluginUtils):
self.bibleplugin = bibleplugin
self.bibletype = None
self.barmax = 0
self.receiver = Receiver()
QtCore.QObject.connect(self.LocationComboBox, QtCore.SIGNAL("activated(int)"), self.onLocationComboBox)
QtCore.QObject.connect(self.TypeComboBox, QtCore.SIGNAL("activated(int)"), self.onTypeComboBox)
QtCore.QObject.connect(self.BibleComboBox, QtCore.SIGNAL("activated(int)"), self.onBibleComboBox)
QtCore.QObject.connect(self.ProgressBar, QtCore.SIGNAL("valueChanged(int)"), self.on_ProgressBar_changed)
QtCore.QObject.connect(self.receiver.get_receiver(),QtCore.SIGNAL("openlprepaint"),self.on_ProgressBar_changed)
def on_ProgressBar_changed(self):
self.repaint()
@pyqtSignature("")
def on_VersesFileButton_clicked(self):
filename = QtGui.QFileDialog.getOpenFileName(self, 'Open file',self._get_last_dir())
@ -121,6 +128,7 @@ class BibleImportForm(QDialog, Ui_BibleImportDialog, PluginUtils):
if self.biblemanager != None:
if not self.bibletype == None or len(self.BibleNameEdit.displayText()) > 0:
self.MessageLabel.setText("Import Started")
self.ProgressBar.setMinimum(0)
self.ProgressBar.setValue(0)
self.progress = 0
self.biblemanager.process_dialog(self)
@ -132,21 +140,20 @@ class BibleImportForm(QDialog, Ui_BibleImportDialog, PluginUtils):
self.close()
def setMax(self, max):
log.debug("set Max %s", max)
self.barmax = max
self.ProgressBar.setMaximum(max)
def incrementBar(self, text = None):
print self.progress, text, self.barmax
if text != None:
self.MessageLabel.setText("Import processed " + text)
else:
self.MessageLabel.setText("Import progressing")
def incrementBar(self, text ):
log.debug("IncrementBar %s", text)
self.MessageLabel.setText("Import processing " + text)
self.progress +=1
self.ProgressBar.setValue(self.progress)
#self.update()
self.bibleplugin.refresh()
self.ProgressBar.setValue(self.progress)
print self.ProgressBar.value()
print text + " " + str(self.progress)
def _import_bible(self):
log.debug("Import Bible ")
if self.bibletype == "OSIS":
self.biblemanager.register_osis_file_bible(str(self.BibleNameEdit.displayText()), self.OSISLocationEdit.displayText())
elif self.bibletype == "CSV":

2
openlp/plugins/bibles/lib/bibleDBimpl.py
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@ -62,7 +62,7 @@ class BibleDBImpl(BibleCommon):
self._load_testament("Apocrypha")
def add_verse(self, bookid, chap, vse, text):
log.debug( "add_verse %s,%s,%s", bookid, chap, vse)
#log.debug( "add_verse %s,%s,%s", bookid, chap, vse)
metadata.bind.echo = False
session = self.session()
verse = Verse()

13
openlp/plugins/bibles/lib/bibleOSISimpl.py
View File

@ -17,6 +17,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
"""
import logging
from openlp.plugins.bibles.lib.bibleDBimpl import BibleDBImpl
from openlp.core.lib import Receiver
class BibleOSISImpl():
global log
@ -27,6 +28,7 @@ class BibleOSISImpl():
self.booksOfBible = {} # books of the bible linked to bibleid {osis , name}
self.abbrevOfBible = {} # books of the bible linked to bibleid {osis ,Abbrev }
fbibles=open(biblepath+"/osisbooks_en.txt", 'r')
self.receiver = Receiver()
for line in fbibles:
p = line.split(",")
self.booksOfBible[p[0]] = p[1].replace('\n', '')
@ -38,6 +40,7 @@ class BibleOSISImpl():
book_ptr = None
id = 0
count = 0
verseText = "<verse osisID="
testament = 1
for f in osis.readlines():
@ -74,15 +77,21 @@ class BibleOSISImpl():
if book_ptr != p[0]:
if book_ptr == None: # first time through
if p[0] == "Gen": # set the max book size depending on the first book read
dialogobject.setMax(66)
dialogobject.setMax(65)
else:
dialogobject.setMax(27)
if p[0] == "Gen":
if p[0] == "Matt": # First book of NT
testament += 1
book_ptr = p[0]
book = self.bibledb.create_book(self.booksOfBible[p[0]] , self.abbrevOfBible[p[0]], testament)
dialogobject.incrementBar(self.booksOfBible[p[0]] )
self.receiver.send_repaint() # send repaint message to dialog as book changed
count = 0
self.bibledb.add_verse(book.id, p[1], p[2], t)
count += 1
if count % 100 == 0: #Every x verses repaint the screen
self.receiver.send_repaint() # send repaint message to dialog
count = 0