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#
# Copyright (C) 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors
#
# This file is part of Power Sequencer.
#
# Power Sequencer is free software: you can redistribute it and/or modify it under the terms of the
# GNU General Public License as published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# Power Sequencer is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with Power Sequencer. If
# not, see <https://www.gnu.org/licenses/>.
#
import bpy
from operator import attrgetter
from .utils.doc import doc_name, doc_idname, doc_brief, doc_description
from .utils.functions import (
slice_selection,
get_frame_range,
get_channel_range,
trim_strips,
find_strips_in_range,
)
class POWER_SEQUENCER_OT_channel_offset(bpy.types.Operator):
"""
Move selected strip to the nearest open channel above/down
"""
doc = {
"name": doc_name(__qualname__),
"demo": "",
"description": doc_description(__doc__),
"shortcuts": [
(
{"type": "UP_ARROW", "value": "PRESS", "alt": True},
{"direction": "up"},
"Move to Open Channel Above",
),
(
{"type": "UP_ARROW", "value": "PRESS", "ctrl": True, "alt": True},
{"direction": "up", "trim_target_channel": True},
"Move to Channel Above and Trim",
),
(
{"type": "DOWN_ARROW", "value": "PRESS", "alt": True},
{"direction": "down"},
"Move to Open Channel Below",
),
(
{"type": "DOWN_ARROW", "value": "PRESS", "ctrl": True, "alt": True},
{"direction": "down", "trim_target_channel": True},
"Move to Channel Below and Trim",
),
],
"keymap": "Sequencer",
}
bl_idname = doc_idname(__qualname__)
bl_label = doc["name"]
bl_description = doc_brief(doc["description"])
bl_options = {"REGISTER", "UNDO"}
direction: bpy.props.EnumProperty(
items=[
("up", "up", "Move the selection 1 channel up"),
("down", "down", "Move the selection 1 channel down"),
],
name="Direction",
description="Move the sequences up or down",
default="up",
)
trim_target_channel: bpy.props.BoolProperty(
name="Trim strips",
description="Trim strips to make space in the target channel",
default=False,
)
@classmethod
def poll(cls, context):
return context.selected_sequences
def execute(self, context):
selection = [s for s in context.selected_sequences if not s.lock]
if not selection:
return {"FINISHED"}
selection_blocks = slice_selection(context, selection)
for block in selection_blocks:
sequences = sorted(block, key=attrgetter("channel", "frame_final_start"))
frame_start, frame_end = get_frame_range(sequences)
channel_start, channel_end = get_channel_range(sequences)
if self.trim_target_channel:
to_delete, to_trim = find_strips_in_range(frame_start, frame_end, context.sequences)
channel_trim = (
channel_end + 1 if self.direction == "up" else max(1, channel_start - 1)
)
to_trim = [s for s in to_trim if s.channel == channel_trim]
to_delete = [s for s in to_delete if s.channel == channel_trim]
trim_strips(context, frame_start, frame_end, to_trim, to_delete)
if self.direction == "up":
for s in reversed(sequences):
s.channel += 1
elif self.direction == "down":
for s in sequences:
s.channel = max(1, s.channel - 1)
return {"FINISHED"}
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