style.py
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#--------------------------------------------------------------------------
# Software: InVesalius - Software de Reconstrucao 3D de Imagens Medicas
# Copyright: (C) 2001 Centro de Pesquisas Renato Archer
# Homepage: http://www.softwarepublico.gov.br
# Contact: invesalius@cti.gov.br
# License: GNU - GPL 2 (LICENSE.txt/LICENCA.txt)
#--------------------------------------------------------------------------
# Este programa e software livre; voce pode redistribui-lo e/ou
# modifica-lo sob os termos da Licenca Publica Geral GNU, conforme
# publicada pela Free Software Foundation; de acordo com a versao 2
# da Licenca.
#
# Este programa eh distribuido na expectativa de ser util, mas SEM
# QUALQUER GARANTIA; sem mesmo a garantia implicita de
# COMERCIALIZACAO ou de ADEQUACAO A QUALQUER PROPOSITO EM
# PARTICULAR. Consulte a Licenca Publica Geral GNU para obter mais
# detalhes.
#--------------------------------------------------------------------------
from wx.lib.pubsub import pub as Publisher
# mode.py
# to be instanced inside Controller (control.py)
# IMPORTANT: When adding a new state, remember o insert it into LEVEL
# dictionary
# RULE:
# default is the only level 0
# states controlled somehow by taskmenu are level 1
# states controlled by toolbar are level 2
#LEVEL = {SLICE_STATE_DEFAULT: 0,
# SLICE_STATE_EDITOR: 1,
# SLICE_STATE_WL: 2,
# SLICE_STATE_SPIN: 2,
# SLICE_STATE_ZOOM: 2,
# SLICE_STATE_ZOOM_SL: 2}
#----------------------
# TODO: Add to viewer_slice.py:
#ps.Publisher().subscribe(self.OnSetMode, 'Set slice mode')
#def OnSetMode(self, pubsub_evt):
# mode = pubsub_evt.data
# according to mode, set cursor, interaction, etc
#----------------------
# TODO: Add GUI classes (frame, tasks related to slice, toolbar):
# always bind to this class (regarding slice mode) and not to
# viewer_slice directly
# example - pseudo code
#def OnToggleButtonSpin(self, evt)
# if evt.toggle: # doesn't exist, just to illustrate
# ps.Publisher().sendMessage('Enable mode', const.SLICE_STATE_ZOOM)
# else:
# ps.Publisher().subscribe('Disable mode', const.SLICE_STATE_ZOOM)
#----------------------
import constants as const
class StyleStateManager(object):
# don't need to be singleton, only needs to be instantiated inside
# (Controller) self.slice_mode = SliceMode()
def __init__(self):
self.stack = {}
# push default value to stack
self.stack[const.STYLE_LEVEL[const.STATE_DEFAULT]] = \
const.STATE_DEFAULT
def AddState(self, state):
level = const.STYLE_LEVEL[state]
max_level = max(self.stack.keys())
# Insert new state into stack
self.stack[level] = state
new_max_level = max(self.stack.keys())
return self.stack[new_max_level]
def RemoveState(self, state):
level = const.STYLE_LEVEL[state]
if level in self.stack.keys():
max_level = max(self.stack.keys())
# Remove item from stack
self.stack.pop(level)
# New max level
new_max_level = max(self.stack.keys())
# Only will affect InVesalius behaviour if the highest
# level in stack has been removed
if level == max_level:
new_state = self.stack[new_max_level]
return self.stack[new_max_level]
max_level = max(self.stack.keys())
return self.stack[max_level]
def GetActualState(self):
max_level = max(self.stack.keys())
state = self.stack[max_level]
return state
def Reset(self):
self.stack = {}
self.stack[const.STYLE_LEVEL[const.STATE_DEFAULT]] = \
const.STATE_DEFAULT