Tries to open the corner for a single selected node, in all layers if compatible.

Open Corner in all Layers.py

#MenuTitle: Open Corner in all Layers
# -*- coding: utf-8 -*-
__doc__="""
Tries to open the corner for a single selected node, in all layers if compatible.
"""

thisFont = Glyphs.font # frontmost font
thisFontMaster = thisFont.selectedFontMaster # active master
thisLayer = thisFont.selectedLayers[0] # active layers of selected glyphs
selection = thisLayer.selection # node selection in edit mode

def findIndexOfNodeOnLayer( thisLayer, thisNode ):
	for pathindex in range(len(thisLayer.paths)):
		thisPath = thisLayer.paths[pathindex]
		for nodeindex in range(len(thisPath.nodes)):
			if thisNode == thisPath.nodes[nodeindex]:
				return pathindex, nodeindex
	return None, None

def openCorner( thisLayer, compareString, pathindex, nodeindex ):
	try:
		if thisLayer.compareString() != compareString:
			print "Could not process Layer %s, because it is not compatible." % thisLayer.name
		else:
			thisNode = thisLayer.paths[pathindex].nodes[nodeindex]
			if thisNode:
				thisLayer.openCornerAtNode_offset_( thisNode, 20.0 )
			else:
				print "Could not retrieve the same node on Layer %s." % thisLayer.name
	except:
		print "Could not open corner on Layer %s." % thisLayer.name
			
thisFont.disableUpdateInterface() # suppresses UI updates in Font View

if len(selection) == 1:
	selectedNode = selection[0]
	if type(selectedNode) == GSNode:
		pathindex, nodeindex = findIndexOfNodeOnLayer( thisLayer, selectedNode )
		if pathindex is not None:
			compareString = thisLayer.compareString()
			thisGlyph = thisLayer.parent
			thisGlyph.beginUndo() # begin undo grouping
			for thisLayer in thisGlyph.layers:
				openCorner( thisLayer, compareString, pathindex, nodeindex )
			thisGlyph.endUndo()   # end undo grouping
		else:
			print "Could not find node and path index."
else:
	Message("Select exactly one node", "This script only works with one node selected at a time.", OKButton=None)

thisFont.enableUpdateInterface() # re-enables UI updates in Font View