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"""All possible nodes that can be created are listed here."""
# group nodes into types (operators & functions)
# operators
from .addition import Addition
from .composition import Composition
from .exponentiation import Exponentiation
from .multiplication import Multiplication
OPERATORS = [
Addition,
Multiplication,
Exponentiation,
Composition
]
# constants
from .constant import Constant
from .pi import Pi
from .e import E
CONSTANTS = [
Pi,
E,
Constant,
]
# functions
from .identity import Identity
from .absolutevalue import AbsoluteValue
from .sine import Sine
FUNCTIONS = [
Identity,
AbsoluteValue,
Sine,
]
# list categories in the order they should be displayed
from gettext import gettext as _
CATEGORIES = [
(_("Operators"), OPERATORS),
(_("Functions"), FUNCTIONS),
(_("Constants"), CONSTANTS),
]
# generate class list for loading from a dictionary
from itertools import chain as _chain
CLASSES = {}
for node in _chain(*(c[1] for c in CATEGORIES)):
CLASSES[node.CLASS] = node
# get this last, since they aren't nodes we can make
from .node import Node, NODE_WIDTH, NODE_HEIGHT
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