Numerator
Numerator does calculate paginations without creating any markup. Building markup based on the returned list of elements is up to the user.
Usage
iex(1)> Numerator.build(%{page: 6, last: 17}, show_first: true, show_last: true)
[
%{page: 5, type: :prev},
%{page: 1, type: :page},
%{type: :ellipsis},
%{page: 4, type: :page},
%{page: 5, type: :page},
%{page: 6, type: :current},
%{page: 7, type: :page},
%{page: 8, type: :page},
%{type: :ellipsis},
%{page: 17, type: :page},
%{page: 7, type: :next}
]Options
-
:show_prev: Include a prev. page element. Defaulttrue -
:show_next: Include a next page element. Defaulttrue -
:prev_next_unavailable_mode::removeor:disableunavailable prev. or next page elements. Default:remove -
:show_first: Always show first page. Defaultfalse -
:show_last: Always show last page. Defaultfalse -
:num_pages_shown: How many numbers for pages to be shown at least. Default5
Bootstrap
Example implementation using the Twitter Bootstrap UI framework.
<ul class="pagination">
<%= for element <- pagination_data do %>
<%= case element do %>
<% %{type: :ellipsis} -> %>
<li class="page-item disabled"><span class="page-link">…</span></li>
<% %{type: :current, page: page} -> %>
<li class="page-item active" aria-current="page">
<span class="page-link"><%= page %><span class="sr-only">(current)</span></span>
</li>
<% %{type: :page, page: page} -> %>
<li class="page-item">
<%= link page, to: Routes.index_path(@conn, :index, %{page: page}) %>
</li>
<% %{type: :prev, page: :disabled} -> %>
<li class="page-item disabled"><span class="page-link"><%= dgettext("pagination", "Prev. Page") %></span></li>
<% %{type: :prev, page: page} -> %>
<li class="page-item">
<%= link dgettext("pagination", "Prev. Page"), to: Routes.index_path(@conn, :index, %{page: page}) %>
</li>
<% %{type: :next, page: :disabled} -> %>
<li class="page-item disabled"><span class="page-link"><%= dgettext("pagination", "Next Page") %></span></li>
<% %{type: :next, page: page} -> %>
<li class="page-item">
<%= link dgettext("pagination", "Next Page"), to: Routes.index_path(@conn, :index, %{page: page}) %>
</li>
<% end %>
<% end %>
</ul>Installation
If available in Hex, the package can be installed
by adding numerator to your list of dependencies in mix.exs:
def deps do
[
{:numerator, "~> 0.2.0"}
]
endDocumentation can be generated with ExDoc and published on HexDocs. Once published, the docs can be found at https://hexdocs.pm/numerator.
