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"""
This module contains the modes controller.
"""
import logging
from pyqode.core.api.manager import Manager
def _logger():
""" Returns module's logger """
return logging.getLogger(__name__)
class ModesManager(Manager):
"""
Manages the list of modes of the code edit widget.
"""
def __init__(self, editor):
super(ModesManager, self).__init__(editor)
self._modes = {}
def append(self, mode):
"""
Adds a mode to the editor.
:param mode: The mode instance to append.
"""
_logger().log(5, 'adding mode %r', mode.name)
self._modes[mode.name] = mode
mode.on_install(self.editor)
return mode
def remove(self, name_or_klass):
"""
Removes a mode from the editor.
:param name_or_klass: The name (or class) of the mode to remove.
:returns: The removed mode.
"""
_logger().log(5, 'removing mode %r', name_or_klass)
mode = self.get(name_or_klass)
mode.on_uninstall()
self._modes.pop(mode.name)
return mode
def clear(self):
"""
Removes all modes from the editor. All modes are removed from list
and deleted.
"""
while len(self._modes):
key = sorted(list(self._modes.keys()))[0]
self.remove(key)
def get(self, name_or_klass):
"""
Gets a mode by name (or class)
:param name_or_klass: The name or the class of the mode to get
:type name_or_klass: str or type
:rtype: pyqode.core.api.Mode
"""
if not isinstance(name_or_klass, str):
name_or_klass = name_or_klass.__name__
return self._modes[name_or_klass]
def keys(self):
"""
Returns the list of the names of the installed modes.
"""
return self._modes.keys()
def values(self):
"""
Returns the list of installed modes.
"""
return self._modes.values()
def __len__(self):
return len(list(self._modes.values()))
def __iter__(self):
"""
Returns the list of modes.
:return:
"""
return iter([v for k, v in sorted(self._modes.items())])
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