72 lines
1.4 KiB
Lua
72 lines
1.4 KiB
Lua
local Previewer = {}
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Previewer.__index = Previewer
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function Previewer:new(opts)
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opts = opts or {}
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return setmetatable({
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state = nil,
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_title_fn = opts.title,
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_dyn_title_fn = opts.dyn_title,
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_setup_func = opts.setup,
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_teardown_func = opts.teardown,
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_send_input = opts.send_input,
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_scroll_fn = opts.scroll_fn,
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preview_fn = opts.preview_fn,
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}, Previewer)
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end
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function Previewer:preview(entry, status)
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if not entry then
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return
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end
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if not self.state then
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if self._setup_func then
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self.state = self:_setup_func(status)
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else
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self.state = {}
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end
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end
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return self:preview_fn(entry, status)
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end
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function Previewer:title()
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if self._title_fn then
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return self:_title_fn()
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end
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return "Preview"
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end
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function Previewer:dynamic_title(entry)
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if self._title_fn then
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return self:_dyn_title_fn(entry)
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end
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return "Preview"
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end
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function Previewer:teardown()
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if self._teardown_func then
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self:_teardown_func()
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end
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end
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function Previewer:send_input(input)
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if self._send_input then
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self:_send_input(input)
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else
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vim.api.nvim_err_writeln "send_input is not defined for this previewer"
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end
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end
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function Previewer:scroll_fn(direction)
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if self._scroll_fn then
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self:_scroll_fn(direction)
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else
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vim.api.nvim_err_writeln "scroll_fn is not defined for this previewer"
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end
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end
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return Previewer
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