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#------------------------------------------------------------------------------
# This file is part of the OpenStructure project <www.openstructure.org>
#
# Copyright (C) 2008-2020 by the OpenStructure authors
#
# This library is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 3.0 of the License, or (at your option)
# any later version.
# This library is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#------------------------------------------------------------------------------
import sys
from ost import gui
from ost import gfx
import ost
import os
try:
from ost import img
_img_present=True
except ImportError:
_img_present=False
pass
class SelHelper:
__shared_state = {}
NO_SELECTION = 0
HAS_ENTITY = 1
HAS_VIEW = 2
HAS_IMG = 4
HAS_SURFACE = 8
IS_ONE_TYPE = 16
IS_MULTI_TYPE = 32
SINGLE_SELECTION = 64
MULTI_SELECTION = 128
def __init__(self):
self.__dict__ = self.__shared_state
if not '_ready' in dir(self):
self.scene_sel_ = gui.SceneSelection.Instance()
self.current_flags_ = 0
self._ready = True
def Update(self):
self.current_flags_ = 0
if self.scene_sel_.GetActiveNodeCount() == 0 and self.scene_sel_.GetActiveViewCount() == 0:
return
for i in range(0,self.scene_sel_.GetActiveNodeCount()):
node = self.scene_sel_.GetActiveNode(i)
if isinstance(node, gfx.Entity):
self.current_flags_ = self.current_flags_ | SelHelper.HAS_ENTITY
if isinstance(node, gfx.Surface):
self.current_flags_ = self.current_flags_ | SelHelper.HAS_SURFACE
if (_img_present) and isinstance(node, gfx.MapIso):
self.current_flags_ = self.current_flags_ | SelHelper.HAS_IMG
if self.scene_sel_.GetActiveViewCount() > 0:
self.current_flags_ = self.current_flags_ | SelHelper.HAS_VIEW
cnt = 0
if self.current_flags_ & SelHelper.HAS_ENTITY:
cnt += 1
if self.current_flags_ & SelHelper.HAS_SURFACE:
cnt += 1
if self.current_flags_ & SelHelper.HAS_IMG:
cnt += 1
if self.current_flags_ & SelHelper.HAS_VIEW:
cnt += 1
if cnt == 1:
self.current_flags_ = self.current_flags_ | SelHelper.IS_ONE_TYPE
elif cnt > 1:
self.current_flags_ = self.current_flags_ | SelHelper.IS_MULTI_TYPE
if self.scene_sel_.GetActiveNodeCount()==1:
self.current_flags_ = self.current_flags_ | SelHelper.SINGLE_SELECTION
elif self.scene_sel_.GetActiveNodeCount()>1:
self.current_flags_ = self.current_flags_ | SelHelper.MULTI_SELECTION
def CheckAllFlags(self, flags):
if(flags == self.current_flags_ & flags) and (flags == self.current_flags_ | flags):
return True
return False
def CheckNotFlags(self, flags):
return not self.CheckFlags(flags)
def CheckFlags(self, flags):
if(flags == self.current_flags_ & flags):
return True
return False
def CheckMinOneFlag(self, flags):
if((self.current_flags_ - (self.current_flags_ & flags)) < self.current_flags_):
return True
return False
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