mirror of
https://github.com/lalbornoz/roar.git
synced 2024-11-23 07:36:37 +00:00
98 lines
3.4 KiB
Python
98 lines
3.4 KiB
Python
#!/usr/bin/env python3
|
|
#
|
|
# MiRCARTCanvasJournal.py -- XXX
|
|
# Copyright (c) 2018 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to deal
|
|
# in the Software without restriction, including without limitation the rights
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in all
|
|
# copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
# SOFTWARE.
|
|
#
|
|
|
|
class MiRCARTCanvasJournal():
|
|
"""XXX"""
|
|
patchesCursor = patchesUndo = patchesUndoLevel = None
|
|
|
|
# {{{ popCursor(self): XXX
|
|
def popCursor(self):
|
|
if len(self.patchesCursor):
|
|
patchesCursor = self.patchesCursor
|
|
self.patchesCursor = []
|
|
return patchesCursor
|
|
else:
|
|
return []
|
|
# }}}
|
|
# {{{ popRedo(self): XXX
|
|
def popRedo(self):
|
|
if self.patchesUndoLevel > 0:
|
|
self.patchesUndoLevel -= 1
|
|
patches = self.patchesUndo[self.patchesUndoLevel]
|
|
return patches[1]
|
|
else:
|
|
return []
|
|
# }}}
|
|
# {{{ popUndo(self): XXX
|
|
def popUndo(self):
|
|
if self.patchesUndo[self.patchesUndoLevel] != None:
|
|
patches = self.patchesUndo[self.patchesUndoLevel]
|
|
self.patchesUndoLevel += 1
|
|
return patches[0]
|
|
else:
|
|
return []
|
|
# }}}
|
|
# {{{ pushCursor(self, patches): XXX
|
|
def pushCursor(self, patches):
|
|
self.patchesCursor.append(patches)
|
|
# }}}
|
|
# {{{ pushDeltas(self, undoPatches, redoPatches): XXX
|
|
def pushDeltas(self, undoPatches, redoPatches):
|
|
if self.patchesUndoLevel > 0:
|
|
del self.patchesUndo[0:self.patchesUndoLevel]
|
|
self.patchesUndoLevel = 0
|
|
deltaItem = [undoPatches, redoPatches]
|
|
self.patchesUndo.insert(0, deltaItem)
|
|
return deltaItem
|
|
# }}}
|
|
# {{{ resetCursor(self): XXX
|
|
def resetCursor(self):
|
|
if self.patchesCursor != None:
|
|
self.patchesCursor.clear()
|
|
self.patchesCursor = []
|
|
# }}}
|
|
# {{{ resetUndo(self): XXX
|
|
def resetUndo(self):
|
|
if self.patchesUndo != None:
|
|
self.patchesUndo.clear()
|
|
self.patchesUndo = [None]; self.patchesUndoLevel = 0;
|
|
# }}}
|
|
# {{{ updateCurrentDeltas(self, undoPatches, redoPatches): XXX
|
|
def updateCurrentDeltas(self, undoPatches, redoPatches):
|
|
self.patchesUndo[0][0].append(undoPatches)
|
|
self.patchesUndo[0][1].append(redoPatches)
|
|
# }}}
|
|
|
|
# {{{ __del__(self): destructor method
|
|
def __del__(self):
|
|
self.resetCursor(); self.resetUndo();
|
|
# }}}
|
|
|
|
#
|
|
# __init__(self): initialisation method
|
|
def __init__(self):
|
|
self.resetCursor(); self.resetUndo();
|
|
|
|
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
|