power_sequencer/operators/set_timeline_range.py

   1 # SPDX-License-Identifier: GPL-3.0-or-later
   2 # Copyright 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors
   3
   4 # This file is part of Power Sequencer.
   5
   6 import bpy
   7
   8 from .utils.doc import doc_name, doc_idname, doc_brief, doc_description
   9
  10
  11 class POWER_SEQUENCER_OT_set_timeline_range(bpy.types.Operator):
  12     """
  13     Set the timeline start and end frame using the time cursor
  14     """
  15
  16     doc = {
  17         "name": doc_name(__qualname__),
  18         "demo": "",
  19         "description": doc_description(__doc__),
  20         "shortcuts": [],
  21         "keymap": "Sequencer",
  22     }
  23     bl_idname = doc_idname(__qualname__)
  24     bl_label = doc["name"]
  25     bl_description = doc_brief(doc["description"])
  26     bl_options = {"REGISTER", "UNDO"}
  27
  28     adjust: bpy.props.EnumProperty(
  29         items=[("start", "start", "start"), ("end", "end", "end")],
  30         name="Adjust",
  31         description="Change the start or the end frame of the timeline",
  32         default="start",
  33     )
  34
  35     @classmethod
  36     def poll(cls, context):
  37         return context.scene.sequence_editor
  38
  39     def execute(self, context):
  40         scene = context.scene
  41         if self.adjust == "start":
  42             scene.frame_start = scene.frame_current
  43         elif self.adjust == "end":
  44             scene.frame_end = scene.frame_current - 1
  45         return {"FINISHED"}