def remove_selected_transforms_from_curve(self):
if not self.current_node:
return
with maya_helpers.undo():
selected_rows = set(
idx.row() for idx in self.ui.transformList.selectedIndexes())
if not selected_rows:
return
# Remember the first selection, so we can reselect it below.
first_selected_dropdown_idx = min(selected_rows)
curve = CreateCurve(self.current_node)
transforms = curve.get_transforms()
new_transforms = []
for idx, transform in enumerate(transforms):
if idx not in selected_rows:
new_transforms.append(transform)
curve.set_transforms(new_transforms)
# Refresh the list, and select the first index that was selected. This way, if you delete
# the first entry, we leave the new first entry selected instead of deselecting.
self.refresh_all()
self.select_transform_rows([first_selected_dropdown_idx])
def create_and_select_node(self):
"""
Create a new zCreateCurve node and an output curve. Select the curve.
If transforms are selected in the scene, add them to it.
"""
with maya_helpers.undo():
nodes = pm.ls(sl=True)
attrs = self.get_matrix_from_nodes(nodes)
# Create the curve.
curve = CreateCurve.create()
self.refresh_all()
self.current_node = curve.node
# Create a curve node.
output_curve = curve.add_curve_output()
# Add the transforms to it.
curve = CreateCurve(self.current_node)
curve.set_transforms(attrs)
# Refresh and select the new curve.
self.refresh_all()
pm.select(output_curve.getTransform())
def create_controller_for_selected_object(self):
nodes = pm.ls(sl=True, type='transform')
if not nodes:
log.info('Select one or more objects to create a controller for')
return
with maya_helpers.undo():
self.create_controller_for_objects(nodes)
def frame_name_edited(self, widget):
# How do you find out which item was edited? QT's documentation is useless.
items = self._ui.frameList.selectedItems()
if not items:
return
item = items[0]
with maya_helpers.undo():
set_name_at_frame(item.frame, item.text())
def set_keyframe_with_time_editor(attr, inTangentType=None, outTangentType=None):
"""
Set a keyframe, working around problems with the time editor.
"""
def set_to_time_editor():
keying_target = pm.timeEditorPanel('timeEditorPanel1TimeEd', q=True, keyingTarget=True)
if not keying_target:
return False
# The time editor has weird native hooks for applying keyframes, which calls
# teSetKeyFrameOnActiveLayerOrClip in teKeyingFunctions.mel. It's very broken:
# it looks at the channel box to see what to key, which causes it to key the wrong
# attributes. We can't just set what's shown in the channel box: that requires
# changing the selection (which will screw with the graph editor), and we can't change
# the selection and the channel box at the same time since the CB update is async.
#
# Instead, bypass all of that and set the key on the time editor layer directly.
#
# This means we can't control tangents on time editor clips, which sucks.
keying_target = pm.ls(keying_target)[0]
clip_id = keying_target.node().attr('clip[0].clipid').get()
layer_id = keying_target.attr('layerId').get()
is_layer = isinstance(keying_target.node(), pm.nodetypes.TimeEditorClip) and keying_target.attr('layerName').get() != ''
if not is_layer:
return False
# timeEditorClipLayer doesn't take tangentType arguments like pm.setKeyframe, so we have
# to work around this the long way by temporarily changing the default.
old_in_tangent_type = pm.keyTangent(q=True, g=True, inTangentType=True)[0]
old_out_tangent_type = pm.keyTangent(q=True, g=True, outTangentType=True)[0]
if inTangentType is not None:
pm.keyTangent(g=True, inTangentType=inTangentType)
if outTangentType is not None:
pm.keyTangent(g=True, outTangentType=outTangentType)
try:
# Set the key.
pm.timeEditorClipLayer(e=True, clipId=clip_id, layerId=layer_id, setKeyframe=True, attribute=attr)
finally:
# Restore the tangent type.
pm.keyTangent(g=True, inTangentType=old_in_tangent_type)
pm.keyTangent(g=True, outTangentType=old_out_tangent_type)
return True
with maya_helpers.undo():
if set_to_time_editor():
return
kwargs = {}
if inTangentType is not None:
kwargs['inTangentType'] = inTangentType
if outTangentType is not None:
kwargs['outTangentType'] = outTangentType
pm.setKeyframe(attr, **kwargs)
def delete_selected_frame(self):
"""
Delete the frame that's selected in the list, if any.
"""
item = self.get_selected_frame_item()
if item is None:
return
self.cancel_rename()
with maya_helpers.undo():
delete_key_at_frame(item.frame)
def dragged_from_maya(self, nodes, target, indicator_position):
with maya_helpers.undo():
# Create controllers for the nodes if they don't exist.
self.create_controller_for_objects(nodes)
for node in nodes:
# See if there's a controller for this node.
controller = get_controller_for_object(node)
if not controller:
continue
self.dragged_controller(controller, target, indicator_position)
def dragged_internally(self, target, event, indicator_position):
# We shouldn't get an internal drag with no selection (there's nothing to drag).
if not self.current_node:
return
with maya_helpers.undo():
# The position we're moving the selection to:
pos = self.get_drag_target_idx(target, indicator_position)
curve = CreateCurve(self.current_node)
orig_transforms = curve.get_transforms()
# The selected rows, and associated transforms:
selected_rows = [
idx.row() for idx in self.ui.transformList.selectedIndexes()
]
selected_transforms = [
orig_transforms[row] for row in selected_rows
]
new_transforms = []
output_idx = None
for idx, transform in enumerate(orig_transforms):
# If this is the position we're moving the selection to, add them.
if idx == pos:
output_idx = len(new_transforms)
new_transforms.extend(selected_transforms)
# If this transform isn't one of the ones we're moving, add it.
if idx not in selected_rows:
new_transforms.append(transform)
# If pos is at the end, we didn't add selected_transforms above, so do it now.
if pos == len(orig_transforms):
output_idx = len(new_transforms)
new_transforms.extend(selected_transforms)
curve.set_transforms(new_transforms)
# Update the list so we can update the selection.
self.populate_transform_list()
# Reselect the items that we added.
self.select_transform_rows(
range(output_idx, output_idx + len(selected_transforms)))
def add_transforms_to_curve(self, nodes, pos=0):
"""
Insert nodes into the transform list at the given position.
If pos is None, add at the end.
"""
with maya_helpers.undo():
curve = CreateCurve(self.current_node)
attrs = self.get_matrix_from_nodes(nodes)
# Add the attributes to the transform list. We don't prevent adding duplicates.
transforms = curve.get_transforms()
if pos is None:
pos = len(transforms)
transforms[pos:pos] = attrs
curve.set_transforms(transforms)
# Refresh now, so we can select the new items.
self.refresh_all()
# Select the items that we added.
self.select_transform_rows(range(pos, pos + len(nodes)))
def add_new_frame(self):
"""
Create a key if one doesn't exist already, and begin editing its name.
"""
with maya_helpers.undo():
# If we're editing, cancel editing before adding the new frame, or the
# new frame won't be visible. This can happen if you select a frame,
# click Add, then select another frame and click Add without first
# pressing enter for the first rename. This usually only happens if
# the window is docked into the main Maya window.
self.cancel_rename()
if not key_exists_at_frame(pm.currentTime(q=True)):
frame = pm.currentTime(q=True)
create_key_at_time(frame)
set_name_at_frame(frame, 'Frame %i' % frame)
# Our listeners will refresh automatically, but that won't happen until later. Refresh
# immediately, so we can initiate editing on the new item.
self.refresh()
# Find the new item and edit it to let the user set its name.
self.rename_selected_frame()
def create_controller_group(self):
with maya_helpers.undo():
self.create_controller_for_objects([None])
def set_controller_parent(controller, parent, after=None):
"""
Set controller's parent to parent.
If after is None, the node becomes the first child. Otherwise, the node is placed
after the given node. If after is at_end, the node is placed at the end.
controller -p should do this, but the docs don't really describe how it works and
there doesn't seem to be any way to change the parent of a controller to be a root.
"""
assert controller != parent
if after is at_end:
if parent is None:
raise Exception('parent must be specified if after is at_end')
# If there are any children, place controller after the last one.
children = get_controller_children(parent)
if children:
after = children[-1]
else:
after = None
with maya_helpers.undo():
old_parent_plug = get_controller_parent(controller, get_plug=True)
if old_parent_plug is None and parent is None:
return
if old_parent_plug is not None:
# Unparent the controller from its old parent.
if old_parent_plug.node().prepopulate.isConnectedTo(
controller.prepopulate):
old_parent_plug.node().prepopulate.disconnect(
controller.prepopulate)
# We need to reconnect all children and not just disconnect the child, since the
# child list needs to remain contiguous.
all_children = get_controller_children(old_parent_plug.node(),
disconnect_from_parent=True)
all_children.remove(controller.node())
assign_controller_children(old_parent_plug.node(), all_children)
# If we're unparenting, we're done.
if parent is None:
return
# Connect prepopulate.
parent.prepopulate.connect(controller.prepopulate)
# Get a list of all children of the parent, and disconnect them.
all_children = get_controller_children(parent,
disconnect_from_parent=True)
# Insert our new child. If we've been given a position to add it, use it. Otherwise,
# add to the beginning.
if after is None or after not in all_children:
all_children = [controller] + all_children
else:
idx = all_children.index(after) + 1
all_children[idx:idx] = [controller]
# Reconnect the children.
assign_controller_children(parent, all_children)
