1 files changed, 79 insertions, 0 deletions
diff --git a/power_sequencer/operators/channel_offset.py b/power_sequencer/operators/channel_offset.py
new file mode 100644
index 00000000..2779faac
--- /dev/null
+++ b/power_sequencer/operators/channel_offset.py
@@ -0,0 +1,79 @@
+#
+# 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_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": "DOWN_ARROW", "value": "PRESS", "alt": True},
+                {"direction": "down"},
+                "Move to Open Channel Below",
+            ),
+        ],
+        "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",
+    )
+
+    @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 {"CANCELLED"}
+
+        selection = sorted(selection, key=attrgetter("channel", "frame_final_start"))
+
+        if self.direction == "up":
+            for s in reversed(selection):
+                s.channel += 1
+        elif self.direction == "down":
+            for s in selection:
+                if s.channel > 1:
+                    s.channel -= 1
+        return {"FINISHED"}