Add the VSE addon Power Sequencer

1 files changed, 87 insertions, 0 deletions

diff --git a/power_sequencer/operators/scene_create_from_selection.py b/power_sequencer/operators/scene_create_from_selection.py
new file mode 100644
index 00000000..4cf837d7
--- /dev/null
+++ b/power_sequencer/operators/scene_create_from_selection.py
@@ -0,0 +1,87 @@
+#
+# Copyright (C) 2016-2019 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
+
+
+class POWER_SEQUENCER_OT_scene_create_from_selection(bpy.types.Operator):
+    """
+    *brief* Convert selected strips into a scene strip
+
+
+    Create a scene from the selected sequences, copying the current scene's settings, and
+    replace the selection with the newly created scene as a strip
+    """
+
+    doc = {
+        "name": doc_name(__qualname__),
+        "demo": "",
+        "description": doc_description(__doc__),
+        "shortcuts": [],
+        "keymap": "Sequencer",
+    }
+    bl_idname = doc_idname(__qualname__)
+    bl_label = doc["name"]
+    bl_description = doc_brief(doc["description"])
+    bl_options = {"REGISTER", "UNDO"}
+
+    move_to_first_frame: bpy.props.BoolProperty(
+        name="Move to First Frame",
+        description="The strips will start at frame 1 on the new scene",
+        default=True,
+    )
+
+    @classmethod
+    def poll(cls, context):
+        return context.selected_sequences
+
+    def execute(self, context):
+        start_scene_name = context.scene.name
+
+        selection = context.selected_sequences
+        selection_start_frame = min(
+            selection, key=attrgetter("frame_final_start")
+        ).frame_final_start
+        selection_start_channel = min(selection, key=attrgetter("channel")).channel
+
+        # Create new scene for the scene strip
+        bpy.ops.scene.new(type="FULL_COPY")
+        new_scene_name = context.scene.name
+
+        bpy.ops.sequencer.select_all(action="INVERT")
+        bpy.ops.power_sequencer.delete_direct()
+        frame_offset = selection_start_frame - 1
+        for s in context.sequences:
+            try:
+                s.frame_start -= frame_offset
+            except Exception:
+                continue
+        bpy.ops.sequencer.select_all()
+        bpy.ops.power_sequencer.preview_to_selection()
+
+        # Back to start scene
+        context.screen.scene = bpy.data.scenes[start_scene_name]
+
+        bpy.ops.power_sequencer.delete_direct()
+        bpy.ops.sequencer.scene_strip_add(
+            frame_start=selection_start_frame, channel=selection_start_channel, scene=new_scene_name
+        )
+        scene_strip = context.selected_sequences[0]
+        scene_strip.use_sequence = True
+        return {"FINISHED"}