View Source Kino.Table behaviour (Kino v0.13.0)

A behaviour module for implementing tabular kinos.

This module implements table visualization and delegates data fetching and traversal to the behaviour implementation.

Summary

Callbacks

Exports the data for download.

Loads data matching the given specification.

Invoked once to initialize server state.

Invoked to update state with new data.

Functions

Creates a new tabular kino using the given module as data specification.

Updates the table with new data.

Types

@type column() :: %{
  :key => term(),
  :label => String.t(),
  optional(:type) => String.t(),
  optional(:summary) => %{required(String.t()) => String.t()}
}
@type info() :: %{
  :name => String.t(),
  :features => [:export | :refetch | :pagination | :sorting | :relocate],
  optional(:export) => %{formats: [String.t()]}
}
@type rows_spec() :: %{
  offset: non_neg_integer(),
  limit: pos_integer(),
  order: nil | %{direction: :asc | :desc, key: term()},
  relocates: [%{from_index: non_neg_integer(), to_index: non_neg_integer()}]
}
@type state() :: term()
@type t() :: Kino.JS.Live.t()

Callbacks

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export_data(rows_spec, state, t)

View Source (optional)
@callback export_data(rows_spec(), state(), String.t()) ::
  {:ok, %{data: binary(), extension: String.t(), type: String.t()}}

Exports the data for download.

The returned map must contain the binary, the file extension and the mime type.

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get_data(rows_spec, state)

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@callback get_data(rows_spec(), state()) ::
  {:ok,
   %{
     columns: [column()],
     data: {:columns | :rows, [[String.t()]]},
     total_rows: non_neg_integer() | nil
   }, state()}

Loads data matching the given specification.

@callback init(init_arg :: term()) :: {:ok, info(), state()}

Invoked once to initialize server state.

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on_update(update_arg, state)

View Source (optional)
@callback on_update(update_arg :: term(), state :: state()) :: {:ok, state()}

Invoked to update state with new data.

This callback is called in response to update/2.

Functions

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new(module, init_arg, opts \\ [])

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@spec new(module(), term(), keyword()) :: t()

Creates a new tabular kino using the given module as data specification.

Options

  • :export - a function called to export the given kino to Markdown. This works the same as Kino.JS.new/3, except the function receives the state as an argument
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update(kino, update_arg)

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@spec update(t(), term()) :: :ok

Updates the table with new data.

An arbitrary update event can be used and it is then handled by the on_update/2 callback.