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Viewing changes to addons/pate/src/kate/document_view_helpers.py

  • Committer: Package Import Robot
  • Author(s): Jonathan Riddell
  • Date: 2014-12-04 16:49:41 UTC
  • mfrom: (1.6.6)
  • Revision ID: package-import@ubuntu.com-20141204164941-l3qbvsly83hhlw2v
Tags: 4:14.11.97-0ubuntu1
* New upstream release
* Update build-deps and use pkg-kde v3 for Qt 5 build
* kate-data now kate5-data for co-installability

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addons/pate/src/kate/document_view_helpers.py
 
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# -*- coding: utf-8 -*-
 
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# This file is part of Pate, Kate' Python scripting plugin.
 
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#
 
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# Copyright (C) 2006 Paul Giannaros <paul@giannaros.org>
 
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# Copyright (C) 2013 Shaheed Haque <srhaque@theiet.org>
 
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# Copyright (C) 2013 Alex Turbov <i.zaufi@gmail.com>
 
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#
 
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# This library is free software; you can redistribute it and/or
 
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# modify it under the terms of the GNU Library General Public
 
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# License as published by the Free Software Foundation; either
 
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# version 2 of the License, or (at your option) version 3.
 
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#
 
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# This library is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
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# Library General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU Library General Public License
 
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# along with this library; see the file COPYING.LIB.  If not, write to
 
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# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 
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# Boston, MA 02110-1301, USA.
 
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'''Shared code for view/document decorators'''
 
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from PyQt4 import QtCore
 
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from .api import qDebug
 
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from .decorators import viewCreated
 
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class _SubscriberInfo:
 
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    # TODO Turn to named tuples?
 
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    def __init__(self, signal, receiver):
 
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        self.signal = signal
 
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        self.receiver = receiver
 
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def _subscribe_for_events(subscribedPlugins, source):
 
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    for plugin, subscribers in subscribedPlugins.items():
 
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        assert(isinstance(subscribers, list))
 
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        for subscriber in subscribers:
 
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            qDebug('Subscribe {}/{} to receive {}'.format(
 
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                plugin
 
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              , subscriber.receiver.__name__
 
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              , subscriber.signal
 
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              ))
 
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            source.connect(source, QtCore.SIGNAL(subscriber.signal), subscriber.receiver)
 
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def _make_sure_subscribers_queue_exists(plugin, dst, queue):
 
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    if not hasattr(dst, queue):
 
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        setattr(dst, queue, dict())
 
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    if not plugin in getattr(dst, queue):
 
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        getattr(dst, queue)[plugin] = list()
 
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@viewCreated
 
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def _on_view_created(view):
 
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    assert(view is not None)
 
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    # Subscribe registered handlers for view events
 
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    if hasattr(_on_view_created, 'view_event_subscribers'):
 
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        assert(isinstance(_on_view_created.view_event_subscribers, dict))
 
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        _subscribe_for_events(_on_view_created.view_event_subscribers, view)
 
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    # Subscribe registered handlers for document events
 
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    if hasattr(_on_view_created, 'document_event_subscribers'):
 
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        assert(isinstance(_on_view_created.document_event_subscribers, dict))
 
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        _subscribe_for_events(_on_view_created.document_event_subscribers, view.document())