Typeahead search add-on for Wordpress Development Template.
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README.md

Wordpress Search Typeahead ADD-ON

Latest Stable Version Total Downloads License

Add-on package for Wordpress Plugin Template and Wordpress Theme Template exclusively.

Typeahead integrates Twitter's typeahead with wordpress, providing a flexible way to add customization and functionality for post searches.

Installation

This package requires Composer.

Add it in your composer.json file located on your template's root folder:

"amostajo/wordpress-search-typeahead": "1.0.*"

Then run

composer install

or

composer update

to download package and dependencies.

Configure in Template

Add the following string line in your addons array option located at your template's config file.

    'Amostajo\Wordpress\TypeaheadAddon\Typeahead',

This should be added to:

  • config\plugin.php on Wordpress Plugin Template
  • config\theme.php on Wordpress Theme Template

Usage

On Templates

Call typeahead_search() function within your template, like this:

<div class"search">
    <?php typeahead_search() ?>
</div>

Changing filters

Typeahead uses WP_Query to retrieve posts, you can modify the results of the search like this:

<div class"search">
    <?php typeahead_search( [ 'post_type' => 'product' ] ) ?>
</div>

Hooks

FILTER: addon_typeahead_query Filters the arguments passed to WP_Query by default.

add_filter( 'addon_typeahead_query', 'filter_query' );

function filter_query ($args) {
    // Array modifications
    $args['post_type'] = 'product';
    $args['posts_per_page'] = 10;

    // Array is expected in return
    return $args;
}

FILTER: addon_typeahead_post Filters each WP_Post object returned by WP_Query. If this is not modified, the add-on will convert the post result into a Post model (located in this package).

add_filter( 'addon_typeahead_post', 'filter_post' );

function filter_post ($post) {

    // Transformation of post into custom model
    $model = new MyModels\CustomPost();

    // Array is expected in return
    return $model->from_post( $post )->to_array();
}

FILTER: addon_typeahead_data Filters final results. Receives the data as array and the search arguments (those used for WP_Query).

add_filter( 'addon_typeahead_data', 'filter_data' );

function filter_data ($data, $args) {

    // Adding custom records in results
    if ( $args['post_type'] != 'product' ) {
        // Adding extra product
        $data[] = MyProduct::find(999)->to_array();
    }

    // Array is expected in return
    return $data;
}

Customization

All views located at the views folder can be customized in your theme. Copy and paste them in your theme (same as you would do for plugin views) and modify them.

Things to consider:

<input type="text"
    id="search-typeahead"
    name="s"
    placeholder="Search..."
    class="default"
    data-hint="1"
    data-highlight="1"
    data-source="<?php echo $source_url ?>"
    data-template-empty="<?php echo $template_empty ?>"
    data-template-suggestion="<?php echo $template_suggestion ?>"
    data-onselect="1"
/>

data-onselect will make results to redirect to post permalink once selected.

Try to keep the other data attributes, modify them if needed.

Coding Guidelines

The coding is a mix between PSR-2 and Wordpress PHP guidelines.

License

Search Typeahead is free software distributed under the terms of the MIT license.