def to_props(self, state: State):
"""Select number of figures from state"""
layers = state.get("layers", {})
try:
return (layers["figures"], )
except KeyError:
pass
def reducer(state: State, action: Action):
""" Reduce a change in state caused by the ToolsPanel"""
state = copy.deepcopy(state)
if action["kind"] == ON_TOGGLE_TOOL:
if state.get("tools") is None:
state["tools"] = {}
state["tools"][action["tool_name"]] = action["value"]
return state
def reducer(state: State, action: Action) -> State:
"""Reducer to handle web map tiling settings"""
state = copy.deepcopy(state)
kind = action["kind"]
if kind in [SET_TILE, SET_LABEL_VISIBLE]:
tree = state.get("tile", {})
if kind == SET_TILE:
tree["name"] = action["payload"]
elif kind == SET_LABEL_VISIBLE:
tree["labels"] = action["payload"]
state["tile"] = tree
return state
def reducer(state: State, action: Action) -> State:
"""Combine state and action to produce new state"""
state = copy.deepcopy(state)
kind = action["kind"]
if kind in [
ADD_LAYER, # NOTE: Not used any more
SET_FIGURES,
ON_REMOVE
]: # NOTE: Not used any more
layers = state.get("layers", {})
state["layers"] = _layers_reducer(layers, action)
elif kind == ON_ADD:
# Traverse/build tree
node = state
for key in ("layers", "mode"):
node[key] = node.get(key, {})
node = node[key]
node.update({"state": "add"})
elif kind == ON_CLOSE:
# Traverse/build tree
index = action["payload"]
node = state
for key in ("layers", "index"):
node = node.get(key, {})
del node[index]
elif kind == ON_EDIT:
# Traverse/build tree
index = action["payload"]
node = state
for key in ("layers", "mode"):
node[key] = node.get(key, {})
node = node[key]
node.update({"state": "edit", "index": index})
elif kind == SAVE_LAYER:
# Traverse/build tree
index = action["payload"]["index"]
settings = action["payload"]["settings"]
node = state
for key in ("layers", "index", index):
node[key] = node.get(key, {})
node = node[key]
node.update(settings)
elif kind == SET_ACTIVE:
# Traverse/build tree
index = action["payload"]["row_index"]
settings = {"active": action["payload"]["active"]}
node = state
for key in ("layers", "index", index):
node[key] = node.get(key, {})
node = node[key]
node.update(settings)
return state