class SkipTool(AbstractPathTool):
def __init__(self, controller, parent=None):
"""
This class inherits from the PathTool class for the majority of
methods/behaviours. Essentially it adds merely decorator graphics
custimazation of behaviour and data structure access particular to
skip insertion on a mouseclick.
Its parent should be *always* be a PathHelix.
"""
super(SkipTool, self).__init__(controller, parent)
self._skipItem = SkipItem()
_pen = QPen(styles.redstroke, 2)
self.baseWidth = styles.PATH_BASE_WIDTH
self.hide()
self.setZValue(styles.ZPATHTOOL)
# end def
def paint(self, painter, option, widget=None):
painter.setPen(self._pen)
painter.setBrush(self._brush)
painter.drawRect(self._toolRect)
painter.setPen(self._skipItem.getPen())
painter.drawPath(self._skipItem.getSkip())
# end def
def mousePressPathHelix(self, pathHelix, event):
vh = pathHelix.vhelix()
posScene = pathHelix.mapToScene(QPointF(event.pos()))
posItem = pathHelix.mapFromScene(posScene)
indexp = self.helixIndex(posItem)
mouseDownBase = pathHelix.baseAtLocation(posItem.x(), posItem.y())
if mouseDownBase:
loopsize = vh.hasLoopOrSkipAt(*mouseDownBase)
if loopsize > 0: # toggle from loop
vh.installLoop(mouseDownBase[0],mouseDownBase[1],-1)
elif loopsize < 0: # skip already there
vh.installLoop(mouseDownBase[0],mouseDownBase[1],0)
elif vh.hasStrandAt(*mouseDownBase):
vh.installLoop(mouseDownBase[0],mouseDownBase[1],-1)
pathHelix.makeSelfActiveHelix()
def __init__(self, controller, parent=None):
"""
This class inherits from the PathTool class for the majority of
methods/behaviours. Essentially it adds merely decorator graphics
custimazation of behaviour and data structure access particular to
skip insertion on a mouseclick.
Its parent should be *always* be a PathHelix.
"""
super(SkipTool, self).__init__(controller, parent)
self._skipItem = SkipItem()
_pen = QPen(styles.redstroke, 2)
self.baseWidth = styles.PATH_BASE_WIDTH
self.hide()
self.setZValue(styles.ZPATHTOOL)
