LNXSDK/leenkx/blender/lnx/logicnode/array/LN_array_string.py

from lnx.logicnode.lnx_nodes import *


class StringArrayNode(LnxLogicVariableNodeMixin, LnxLogicTreeNode):
    """Stores an array of string elements as a variable."""
    bl_idname = 'LNArrayStringNode'
    bl_label = 'Array String'
    lnx_version = 3
    lnx_section = 'variable'
    min_inputs = 0

    def __init__(self, *args, **kwargs):
        super(StringArrayNode, self).__init__(*args, **kwargs)
        self.register_id()

    def lnx_init(self, context):
        self.add_output('LnxNodeSocketArray', 'Array', is_var=True)
        self.add_output('LnxIntSocket', 'Length')

    def draw_content(self, context, layout):
        row = layout.row(align=True)

        op = row.operator('lnx.node_add_input', text='New', icon='PLUS', emboss=True)
        op.node_index = self.get_id_str()
        op.socket_type = 'LnxStringSocket'
        column = row.column(align=True)
        op = column.operator('lnx.node_remove_input', text='', icon='X', emboss=True)
        op.node_index = self.get_id_str()
        if len(self.inputs) == self.min_inputs:
            column.enabled = False

    def draw_label(self) -> str:
        if len(self.inputs) == self.min_inputs:
            return super().draw_label()

        return f'{super().draw_label()} [{len(self.inputs)}]'

    def synchronize_from_master(self, master_node: LnxLogicVariableNodeMixin):
        self.inputs.clear()
        for i in range(len(master_node.inputs)):
            inp = self.add_input('LnxStringSocket', master_node.inputs[i].name)
            inp.hide = self.lnx_logic_id != ''
            inp.enabled = self.lnx_logic_id == ''
            inp.default_value_raw = master_node.inputs[i].get_default_value()

    def get_replacement_node(self, node_tree: bpy.types.NodeTree):
        if self.lnx_version not in (0, 2):
            raise LookupError()
            
        return NodeReplacement.Identity(self)