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Phoenix components for pagination, sortable tables and filter forms using Flop.
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lib/flop_phoenix/cursor_pagination.ex
defmodule Flop.Phoenix.CursorPagination do
@moduledoc false
use Phoenix.Component
alias Flop.Meta
alias Flop.Phoenix.Misc
require Logger
@spec default_opts() :: [Flop.Phoenix.cursor_pagination_option()]
def default_opts do
[
disabled_class: "disabled",
next_link_attrs: [
aria: [label: "Go to next page"],
class: "pagination-next"
],
next_link_content: "Next",
previous_link_attrs: [
aria: [label: "Go to previous page"],
class: "pagination-previous"
],
previous_link_content: "Previous",
wrapper_attrs: [
class: "pagination",
role: "navigation",
aria: [label: "pagination"]
]
]
end
def merge_opts(opts) do
default_opts()
|> Misc.deep_merge(Misc.get_global_opts(:cursor_pagination))
|> Misc.deep_merge(opts)
end
# meta, direction, reverse
def disable?(%Meta{has_previous_page?: true}, :previous, false), do: false
def disable?(%Meta{has_next_page?: true}, :next, false), do: false
def disable?(%Meta{has_previous_page?: true}, :next, true), do: false
def disable?(%Meta{has_next_page?: true}, :previous, true), do: false
def disable?(%Meta{}, _, _), do: true
def pagination_path(_, nil, _), do: nil
def pagination_path(direction, path, %Flop.Meta{} = meta) do
params =
meta
|> Flop.set_cursor(direction)
|> Flop.Phoenix.to_query(backend: meta.backend, for: meta.schema)
Flop.Phoenix.build_path(path, params)
end
end