63 lines
1.6 KiB
Lua
63 lines
1.6 KiB
Lua
ardour {
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["type"] = "EditorAction",
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name = "Insert Gaps",
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license = "MIT",
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author = "Ardour Team",
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description = [[Insert gaps between all regions on selected tracks]]
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}
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function action_params ()
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return
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{
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["gap"] = { title = "Gap size (in sec)", default = "2" },
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}
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end
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function factory () return function ()
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-- get configuration
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local p = params or {}
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local gap = p["gap"] or 2
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if gap <= 0 then gap = 2 end
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local sel = Editor:get_selection () -- get current selection
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local add_undo = false -- keep track of changes
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Session:begin_reversible_command ("Insert Gaps")
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-- iterate over all selected tracks
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for route in sel.tracks:routelist ():iter () do
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local track = route:to_track ()
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if track:isnil () then goto continue end
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-- get track's playlist
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local playlist = track:playlist ()
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local offset = 0
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-- iterate over all regions in the playlist
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for region in playlist:region_list():iter() do
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-- preare for undo operation
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region:to_stateful ():clear_changes ()
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-- move region
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region:set_position (region:position() + offset, 0)
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offset = offset + Session:nominal_sample_rate () * gap
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-- create a diff of the performed work, add it to the session's undo stack
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-- and check if it is not empty
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if not Session:add_stateful_diff_command (region:to_statefuldestructible ()):empty () then
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add_undo = true
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end
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end
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::continue::
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end
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-- all done, commit the combined Undo Operation
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if add_undo then
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-- the 'nil' Command here mean to use the collected diffs added above
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Session:commit_reversible_command (nil)
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else
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Session:abort_reversible_command ()
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end
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end end
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