func (c *GlueMarkedUndoGroupsCommand) Run(v *backend.View, e *backend.Edit) error {
pos := v.UndoStack().Position()
if mark, ok := v.Settings().Get(lime_cmd_mark).(int); ok {
if l, p := pos-mark, mark; p != -1 && (l-p) > 1 {
v.UndoStack().GlueFrom(mark)
}
} else {
return fmt.Errorf("No mark in the current view")
}
return nil
}
func (c *MaybeMarkUndoGroupsForGluingCommand) Run(v *backend.View, e *backend.Edit) error {
if !v.Settings().Has(lime_cmd_mark) {
v.Settings().Set(lime_cmd_mark, v.UndoStack().Position())
}
return nil
}
func (c *UndoCommand) Run(v *backend.View, e *backend.Edit, args backend.Args) error {
v.UndoStack().Undo(c.hard)
return nil
}
func (c *RedoCommand) Run(v *backend.View, e *backend.Edit) error {
v.UndoStack().Redo(c.hard)
return nil
}
func (c *MarkUndoGroupsForGluingCommand) Run(v *backend.View, e *backend.Edit, args backend.Args) error {
v.Settings().Set(lime_cmd_mark, v.UndoStack().Position())
return nil
}