import bpy
from bpy.props import *
from bpy.types import Node, NodeSocket
from arm.logicnode.arm_nodes import *

class ExpressionNode(Node, ArmLogicTreeNode):
    '''Expression node'''
    bl_idname = 'LNExpressionNode'
    bl_label = 'Expression'
    bl_icon = 'GAME'

    property0 = StringProperty(name='', default='')

    def init(self, context):
        self.inputs.new('ArmNodeSocketAction', 'In')
        self.outputs.new('ArmNodeSocketAction', 'Out')
        self.outputs.new('NodeSocketShader', 'Result')

    def draw_buttons(self, context, layout):
        layout.prop(self, 'property0')

add_node(ExpressionNode, category='Native')