61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
from lnx.logicnode.lnx_nodes import *
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class CaseIndexNode(LnxLogicTreeNode):
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"""Compare the given `Compare` value with the other inputs for equality
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and return the index of the first match. This is particularly helpful
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in combination with the `Select` node.
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@seeNode Select
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@input Compare: the value to be compared
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@input Value: values for the dynamic comparison
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@output Index: the index of the first equal value, or `null` if no
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equal value was found.
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"""
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bl_idname = 'LNCaseIndexNode'
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bl_label = 'Case Index'
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lnx_version = 1
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min_inputs = 2
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num_choices: IntProperty(default=0, min=0)
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def __init__(self):
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super().__init__()
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array_nodes[str(id(self))] = self
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def lnx_init(self, context):
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self.add_input('LnxDynamicSocket', 'Compare')
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self.add_input_func()
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self.add_output('LnxIntSocket', 'Index')
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def draw_buttons(self, context, layout):
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row = layout.row(align=True)
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op = row.operator('lnx.node_call_func', text='New', icon='PLUS', emboss=True)
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op.node_index = str(id(self))
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op.callback_name = 'add_input_func'
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column = row.column(align=True)
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op = column.operator('lnx.node_call_func', text='', icon='X', emboss=True)
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op.node_index = str(id(self))
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op.callback_name = 'remove_input_func'
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if len(self.inputs) == self.min_inputs:
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column.enabled = False
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def add_input_func(self):
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self.add_input('LnxDynamicSocket', f'Value {self.num_choices}')
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self.num_choices += 1
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def remove_input_func(self):
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if len(self.inputs) > self.min_inputs:
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self.inputs.remove(self.inputs[-1])
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self.num_choices -= 1
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def draw_label(self) -> str:
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if self.num_choices == 0:
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return self.bl_label
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return f'{self.bl_label}: [{self.num_choices}]'
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