def add_line_start():
group = doc[doc['selection.root']][-1]
line = Node("line",
start=Ex("`self.parent.%s.end" % (len(group) - 1), "reeval"),
p_end=doc["editor.mouse_txy"])
group.append(line)
doc["editor.drag_start"] = doc["editor.mouse_txy"]
doc["editor.grabbed"] = line['end.id']
line['end'].transforms["editor"] = Ex(
"('translate', `editor.mouse_txy - `editor.drag_start)",
calc='on first read')
def rectangle1(topleft, botright):
topleft = topleft["value"]
bottomright = botright["value"]
if (topleft >= bottomright).all():
topleft, bottomright = bottomright, topleft
topright = P(bottomright[0], topleft[1])
bottomleft = P(topleft[0], bottomright[1])
newnode = Node("path",
skip_points=True,
p_topleft=topleft,
p_botright=bottomright,
p_topright=topright,
p_botleft=bottomleft,
children=[
Node("line",
start=Ex("`self.parent.topleft", "reeval"),
end=Ex("`self.parent.topright", "reeval")),
Node("line",
start=Ex("`self.parent.topright", "reeval"),
end=Ex("`self.parent.botright", "reeval")),
Node("line",
start=Ex("`self.parent.botright", "reeval"),
end=Ex("`self.parent.botleft", "reeval")),
Node("line",
start=Ex("`self.parent.botleft", "reeval"),
end=Ex("`self.parent.topleft", "reeval")),
])
return newnode
def finished_edit_text():
node = doc[doc["editor.focus"]]
text = node["value"]
if text.startswith("!"):
node["on_click"] = text[1:]
elif text.startswith("="):
node["value"] = Ex(text[1:], calc="reeval")
def add_line_group():
line = Node("line",
p_start=rounded(doc["editor.mouse_txy"]),
p_end=doc["editor.mouse_txy"])
doc[doc['selection.root']].append(Node("path", children=[line]))
doc["editor.drag_start"] = doc["editor.mouse_txy"]
doc["editor.grabbed"] = line['end.id']
line['end'].transforms["editor"] = Ex(
"('translate', `editor.mouse_txy - `editor.drag_start)",
calc='on first read')
def grab_point():
root = doc[doc["selection"]["root"]]
for child, transform in root.dfs():
if child.name == "point" and\
collide(child, doc["editor.mouse_xy"], transform=transform, tolerance=8):
doc["editor.drag_start"] = doc["editor.mouse_txy"]
doc["editor.grabbed"] = child["id"]
child.transforms["editor"] = Ex(
"('translate', `editor.mouse_txy - `editor.drag_start)",
calc='on first read')
return True
return False
def finished_edit_text():
node = doc[doc["editor.focus"]]
text = node["value"]
if text.startswith("!"):
node["on_click"] = text[1:]
elif text.startswith("="):
node["value"] = Ex(text[1:], calc="reeval")
elif text.startswith("@"):
node["filename"] = text[1:]
# Child would actually be top left
#node.L['transforms.move'] = ('translate', node['botleft.value'])
node.L['botleft.child_id'] = 'topleft'
node.L.change(name="image")
def grab_point():
root = doc[doc["selection.root"]]
cui = doc['custom_ui'].dfs() if default_get(doc['custom_ui'],
'visible') else []
for child, transform in chain(root.dfs(), cui):
if child.name == "point" and\
collide(child, doc["editor.mouse_txy"], transform=transform, tolerance=8):
doc["editor.drag_start"] = doc["editor.mouse_txy"]
doc["editor.grabbed"] = child["id"]
child.transforms["editor"] = Ex(
"('translate', `editor.mouse_txy - `editor.drag_start)",
calc='on first read')
return True
return False
def finished_edit_formula():
node = doc[doc["formula.node"]]
text = doc["formula.value"]
doc["formula.visible"] = False
if text.startswith("!"):
node[doc["formula.param"]] = text[1:]
elif text.startswith("="):
node["value"] = Ex(text[1:], calc="reeval")
elif text.startswith("@"):
node["filename"] = text[1:]
# Child would actually be top left
#node.L['transforms.move'] = ('translate', node['botleft.value'])
node.L['botleft.child_id'] = 'topleft'
node.L.change(name="image")
def deepcopy(self):
params = dict(self.params.set('id', gen_id(self.doc, self["id"])))
if "transforms" in params:
transforms = dict(params['transforms'].dict_)
del params['transforms']
else:
transforms = {}
children = []
for child in self:
children.append(child.deepcopy())
if "child_id" in child:
#params = params.set(child["child_id"], Ex("`%s_copy" % child["id"]))
params[child["child_id"]] = Ex("`%s" % children[-1]["id"])
return Node(self.name,
params=params,
children=children,
transforms=transforms)
def add_visualize():
assert (len(doc["selection"]) == 1)
node = doc["selection.0.ref"]
#visualize_cb(node)
pdocument.scope['visualize_cb'] = visualize_cb
doc['editor.callbacks.visualize'] = Ex('visualize_cb(`%s)' % node['id'])
def close_line_group():
group = doc[doc['selection.root']][-1]
if (group['-1.end.value'] == group['0.start.value']).all():
print("Closed line")
group[-1].remove(group[-1]['end'])
group['-1.end'] = Ex("`self.parent.0.start", "reeval")
def exc(expr):
return Ex(expr, "on first read")
def exr(expr):
return Ex(expr, "reeval")
def __new__(cls,
name=None,
params=None,
children=(),
doc=None,
parent=None,
_parent=None,
**kwargs):
global node_num
doc = doc if doc is not None else pdocument.default_doc
params = kwargs if params is None else params
children = list(children)
if type(params) == map_type:
params = params.evolver()
if "id" not in params:
params["id"] = "n_%s" % node_num
node_num += 1
if "child_id" in params and params["child_id"] is None:
del params["child_id"]
for key, value in kwargs.items():
if key.startswith("p_"):
children.append(Node("point", child_id=key[2:], value=value))
del kwargs[key]
params[key[2:]] = Ex("`%s" % children[-1]["id"], "reeval")
elif key.startswith("px_"):
# bp()
child_id = key[3:]
children.append(Node("point", child_id=child_id, value=value))
del kwargs[key]
params[child_id] = Ex("`%s" % children[-1]["id"],
"on first read")
elif key.startswith("r_"):
raise Exception(
"ref nodes are depricated! Use expressions with a single id instead."
)
elif key == "transform":
# Should not have both transform and transforms.
params["transforms"] = TransformDict(
dict_={"singleton": value}, node=params["id"], doc=doc)
del kwargs["transform"]
elif key == "transforms":
if type(value) not in [map_type, Ex]:
params["transforms"] = TransformDict(dict_=value,
node=params["id"],
doc=doc)
if "transforms" not in params:
params["transforms"] = TransformDict(node=params["id"],
dict_={},
doc=doc)
# Had problem where this overwrote value passed by param!
# Need to know if "children" is the intended change or
# params is the intended change!
# Setting to "params overwrites children" for now.
# NO, there are bigger problems with children not synced to the
# new param values
# Could use the latest one of the two if we had timestamps
# General problem: This loop is called at modification instead of
# only at initialization
# Should decide on the semantics of appending a node with
# child_id (or removing one with child_id) means for params
# anyways.
for child_id in children:
child = get_eval(child_id)
if "child_id" in child and child["child_id"] not in params:
# Want the wrapped version of the child!
# params[child["child_id"]] = child
params[child["child_id"]] = wrap_children(
params["id"], doc, [child])[0]
if type(params).__name__ == '_Evolver':
params = params.persistent()
return FrozenNode.__new__(cls,
name=name,
params=params,
children=children,
doc=doc,
parent=parent,
_parent=_parent)
