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from PyQt4 import QtGui, QtCore
from PyQt4.QtCore import QVariant
import logging
import plugins
class Plugin(QtCore.QObject):
_name = None
_dock_widget = None
_settings = None
_loaded = None
_listeners = None
_parent = None
_mpclient = None
DEFAULTS = {}
def __init__(self, parent, mpclient, name):
QtCore.QObject.__init__(self)
self._name = name
self._parent = parent
self._mpclient = mpclient
self._loaded = False
self._listeners = []
self._settings = QtCore.QSettings()
#init settings
self._settings.beginGroup(name)
for key in self.DEFAULTS:
if not self._settings.contains(key):
self._settings.setValue(key, QVariant(self.DEFAULTS[key]))
self._settings.endGroup()
def name(self):
return self._name
def info(self):
return ''
def parent(self):
return self._parent
def set_status(self, status):
self._parent.setStatus(status)
def mpclient(self):
return self._mpclient
def settings(self):
return self._settings
def load(self):
logging.info("loading")
logging.debug("adding %s listeners"%(len(self._listeners)))
for listener in self._listeners:
self._mpclient.add_listener(listener[0], listener[1])
self._load()
opts = QtGui.QDockWidget.DockWidgetClosable|QtGui.QDockWidget.DockWidgetMovable
self._parent.addDock(self.get_dock_widget(opts))
self._loaded = True
def unload(self):
if not self._loaded:
return
logging.info("unloading")
if self._listeners:
logging.debug("removing %s listeners"%(len(self._listeners)))
for listener in self._listeners:
self._mpclient.remove_listener(listener[0], listener[1])
self._unload()
dock_widget = self.get_dock_widget()
if dock_widget:
self._parent.removeDock(dock_widget)
self._dock_widget = None
self._settingsWidget = None
self._loaded = False
def is_loaded(self):
return self._loaded
def get_dock_widget(self, opts = None):
self._dock_widget = self._get_dock_widget()
if self._dock_widget and opts:
self._dock_widget.setFeatures(opts)
self._dock_widget.setAllowedAreas(QtCore.Qt.AllDockWidgetAreas)
return self._dock_widget
class SettingsWidget(QtGui.QWidget):
""" plugins should subclass this"""
plugin = None
_settings = None
def __init__(self, plugin):
QtGui.QWidget.__init__(self)
self.plugin = plugin
self._settings = QtCore.QSettings()
def settings(self):
return self._settings
def save_settings(self):
""" reimplement this"""
pass
def _add_widget(self, widget, label = '', tooltip = ''):
"""adds a widget with label"""
if not self.layout():
logging.error('Attempted to call add_widget with no layout set.')
widget.setToolTip(tooltip)
layout = QtGui.QHBoxLayout()
layout.addWidget(QtGui.QLabel(label))
layout.addWidget(widget)
self.layout().addLayout(layout)
def get_settings_widget(self):
"""Should return subclassed SettingsWidget."""
return
def _get_dock_widget(self):
"""Override this one."""
return None
def _create_dock(self, widget):
"""Creates a QDockWidget with _parent $_parent containing widget $widget."""
dock=QtGui.QDockWidget(self._name, self._parent)
dock.setObjectName(self._name)
dock.setWidget(widget)
return dock
def _load(self):
"""Override this one."""
return
def _unload(self):
"""Override this one."""
return
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