profile.py

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#
#  This program is free software; you can redistribute it and/or
#  modify it under the terms of the GNU General Public License
#  as published by the Free Software Foundation; either version 2
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#  GNU General Public License for more details.
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''' by Dealga McArdle | 2014 '''

import parser

import bpy
from bpy.props import BoolProperty, StringProperty

from node_tree import SverchCustomTreeNode
from data_structure import (sv_Vars, updateNode, multi_socket, changable_sockets,
                            dataSpoil, dataCorrect, levelsOflist,
                            SvSetSocketAnyType, SvGetSocketAnyType)

from math import *


class SvProfileNode(bpy.types.Node, SverchCustomTreeNode):
    ''' 
    SvProfileNode generates a (set of) profiles or elevation segments using
    assignments, variables and a string descriptor like in SVG.

    '''
    bl_idname = 'SvProfileNode'
    bl_label = 'ProfileNode'
    bl_icon = 'OUTLINER_OB_EMPTY'

    profile_str = StringProperty(default="", update=updateNode)


    def draw_buttons(self, context, layout):
        layout.prop(self, "lineformula", text="")

    def init(self, context):
        self.inputs.new('StringsSocket', "a", "a")
        self.inputs.new('StringsSocket', "b", "b")

        self.outputs.new('VerticesSocket', "Verts", "Verts")
        self.outputs.new('StringsSocket', "Edges", "Edges")

    def update(self):
        if not ('Edges' in self.outputs):
            return

        inputs = self.inputs
        if not inputs[0].links:
            return

        if inputs[-1].links:
            new_index = len(inputs)
            new_letter = alpha_from_index(new_index)
            inputs.new('StringsSocket', new_letter, new_letter)
        elif not inputs[-2].links:
            inputs[-1].remove()





    def process(self):




def register():
    bpy.utils.register_class(SvProfileNode)


def unregister():
    bpy.utils.unregister_class(SvProfileNode)