Source code for camelot.view.controls.progress_dialog
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#
# Copyright (C) 2007-2011 Conceptive Engineering bvba. All rights reserved.
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# This file is part of the Camelot Library.
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"""Functions and classes to use a progress dialog in combination with
a model thread"""
import logging
from camelot.core.utils import ugettext as _
from camelot.view.art import Icon
from PyQt4 import QtGui, QtCore
LOGGER = logging.getLogger( 'camelot.view.controls.progress_dialog' )
[docs]class ProgressDialog(QtGui.QProgressDialog):
"""
A Progress Dialog to be used in combination with a post to the model thread:
to display a progress dialog until my_function has finished::
d = ProgressDialog()
post(my_function, d.finished, d.exception)
d.exec_()
.. image:: /_static/controls/progress_dialog.png
"""
progress_icon = Icon('tango/32x32/actions/appointment-new.png')
def __init__(self, name, icon=progress_icon):
QtGui.QProgressDialog.__init__( self, QtCore.QString(), _('Cancel'), 0, 0 )
label = QtGui.QLabel( unicode(name) )
#label.setPixmap(icon.getQPixmap())
self.setLabel( label )
self.setWindowTitle( _('Please wait') )
self.setMinimumDuration( 1 )
@QtCore.pyqtSlot(bool)
@QtCore.pyqtSlot()
[docs] def finished(self, success=True):
self.close()
@QtCore.pyqtSlot(object)
[docs] def exception(self, exception_info):
from camelot.view.controls.exception import model_thread_exception_message_box
model_thread_exception_message_box(exception_info)
self.finished(False)
@QtCore.pyqtSlot(object)
[docs] def display_chart(self, chart ):
from camelot.view.controls.editors import ChartEditor
litebox = ChartEditor.show_fullscreen_chart(chart, self)
litebox.closed_signal.connect( self.close )
@QtCore.pyqtSlot(object)
[docs] def display_pixmap(self, pixmap):
"""
:param image: a camelot.view.art.Pixmap object
"""
from camelot.view.controls.liteboxview import LiteBoxView
litebox = LiteBoxView(parent=self)
litebox.closed_signal.connect( self.close )
litebox.show_fullscreen_pixmap( pixmap.getQPixmap() )
@QtCore.pyqtSlot(object)
[docs] def exit(self, return_code):
"""Stop the application event loop, with the given return code"""
LOGGER.info( 'exit application with code %s'%return_code )
QtGui.QApplication.exit( int( return_code ) )