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refactor(tracker): Make Action have separate Doer and Enabler

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This commit is contained in:
5684185+vsariola@users.noreply.github.com
2025-05-26 13:35:31 +03:00
parent d6badb97be
commit 036cb1f34d
7 changed files with 600 additions and 480 deletions
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30
tracker/presets.go
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@ -143,22 +143,22 @@ func NumPresets() int {
// LoadPreset loads a preset from the list of instrument presets. The index
// should be within the range of 0 to NumPresets()-1.
func (m *Model) LoadPreset(index int) Action {
return Action{do: func() {
defer m.change("LoadPreset", PatchChange, MajorChange)()
if m.d.InstrIndex < 0 {
m.d.InstrIndex = 0
}
m.d.InstrIndex2 = m.d.InstrIndex
for m.d.InstrIndex >= len(m.d.Song.Patch) {
m.d.Song.Patch = append(m.d.Song.Patch, defaultInstrument.Copy())
}
newInstr := instrumentPresets[index].Copy()
(*Model)(m).assignUnitIDs(newInstr.Units)
m.d.Song.Patch[m.d.InstrIndex] = newInstr
}, allowed: func() bool {
return true
}}
return MakeEnabledAction(LoadPreset{Index: index, Model: m})
}
func (m LoadPreset) Do() {
defer m.change("LoadPreset", PatchChange, MajorChange)()
if m.d.InstrIndex < 0 {
m.d.InstrIndex = 0
}
m.d.InstrIndex2 = m.d.InstrIndex
for m.d.InstrIndex >= len(m.d.Song.Patch) {
m.d.Song.Patch = append(m.d.Song.Patch, defaultInstrument.Copy())
}
newInstr := instrumentPresets[m.Index].Copy()
m.Model.assignUnitIDs(newInstr.Units)
m.d.Song.Patch[m.d.InstrIndex] = newInstr
}
type instrumentPresetsSlice []sointu.Instrument