first commit
This commit is contained in:
@@ -0,0 +1,318 @@
|
||||
<?php
|
||||
|
||||
// Exit if accessed directly.
|
||||
if ( ! defined( 'ABSPATH' ) ) {
|
||||
exit;
|
||||
}
|
||||
|
||||
/**
|
||||
* Class SearchWP_Live_Search_Form.
|
||||
*
|
||||
* The SearchWP Live Ajax Search search form and it's configuration
|
||||
*
|
||||
* @since 1.0
|
||||
*/
|
||||
class SearchWP_Live_Search_Form {
|
||||
|
||||
/**
|
||||
* The default configuration.
|
||||
*
|
||||
* Developers can add their own configs using the searchwp_live_search_configs filter which is applied at runtime.
|
||||
* You are responsible for keeping the $configs array intact, and either substituting your own customizations in
|
||||
* the existing data, or adding your own by appending your own array key with values based on the default
|
||||
*
|
||||
* To use: set the data-swpconfig attribute value on your search form input to be the config you want to use
|
||||
*
|
||||
* @since 1.0
|
||||
*
|
||||
* @var array All configurations available for use at runtime
|
||||
*/
|
||||
public $configs = [
|
||||
'default' => [ // 'default' config
|
||||
'engine' => 'default', // Search engine to use (if SearchWP is available).
|
||||
'input' => [
|
||||
'delay' => 300, // Impose delay (in milliseconds) before firing a search.
|
||||
'min_chars' => 3, // Wait for at least 3 characters before triggering a search.
|
||||
],
|
||||
'results' => [
|
||||
'position' => 'bottom', // Where to position the results (bottom|top).
|
||||
'width' => 'auto', // Whether the width should automatically match the input (auto|css).
|
||||
'offset' => [
|
||||
'x' => 0, // X offset (in pixels).
|
||||
'y' => 5, // Y offset (in pixels).
|
||||
],
|
||||
],
|
||||
'spinner' => [ // Powered by https://spin.js.org/.
|
||||
'lines' => 12, // The number of lines to draw.
|
||||
'length' => 8, // The length of each line.
|
||||
'width' => 3, // The line thickness.
|
||||
'radius' => 8, // The radius of the inner circle.
|
||||
'scale' => 1, // Scales overall size of the spinner.
|
||||
'corners' => 1, // Corner roundness (0..1).
|
||||
'color' => '#424242', // CSS color or array of colors.
|
||||
'fadeColor' => 'transparent', // CSS color or array of colors.
|
||||
'speed' => 1, // Rounds per second.
|
||||
'rotate' => 0, // The rotation offset.
|
||||
'animation' => 'searchwp-spinner-line-fade-quick', // The CSS animation name for the lines.
|
||||
'direction' => 1, // 1: clockwise, -1: counterclockwise
|
||||
'zIndex' => 2e9, // The z-index (defaults to 2000000000).
|
||||
'className' => 'spinner', // The CSS class to assign to the spinner.
|
||||
'top' => '50%', // Top position relative to parent.
|
||||
'left' => '50%', // Left position relative to parent.
|
||||
'shadow' => '0 0 1px transparent', // Box-shadow for the lines.
|
||||
'position' => 'absolute', // Element positioning.
|
||||
],
|
||||
],
|
||||
];
|
||||
|
||||
/**
|
||||
* Equivalent of __construct() — implement our hooks.
|
||||
*
|
||||
* @since 1.0
|
||||
*
|
||||
* @uses add_action() to trigger asset enqueue and output base styles in the footer
|
||||
* @uses add_filter() to filter search forms generated by get_search_form()
|
||||
* @uses apply_filters() to ensure developer can filter the configs array via searchwp_live_search_configs filter
|
||||
*/
|
||||
public function setup() {
|
||||
|
||||
$this->apply_settings();
|
||||
|
||||
$this->hooks();
|
||||
|
||||
// The configs store all the various configuration arrays that can be used at runtime.
|
||||
$this->configs = apply_filters( 'searchwp_live_search_configs', $this->configs );
|
||||
}
|
||||
|
||||
/**
|
||||
* Hooks.
|
||||
*
|
||||
* @since 1.7.0
|
||||
*/
|
||||
private function hooks() {
|
||||
|
||||
add_action( 'wp_enqueue_scripts', [ $this, 'assets' ] );
|
||||
|
||||
add_filter( 'get_search_form', [ $this, 'get_search_form' ], 999, 1 );
|
||||
add_action( 'wp_footer', [ $this, 'base_styles' ] );
|
||||
|
||||
// Gutenberg integration.
|
||||
add_action( 'wp_footer', [ $this, 'gutenberg_integration' ] );
|
||||
}
|
||||
|
||||
/**
|
||||
* Apply settings to the form.
|
||||
*
|
||||
* @since 1.7.0
|
||||
*/
|
||||
private function apply_settings() {
|
||||
|
||||
$settings_api = searchwp_live_search()->get( 'Settings_Api' );
|
||||
|
||||
if ( ! $settings_api->get( 'enable-live-search' ) ) {
|
||||
add_filter( 'searchwp_live_search_hijack_get_search_form', '__return_false' );
|
||||
add_filter( 'searchwp_live_search_hijack_search_form_block', '__return_false' );
|
||||
}
|
||||
|
||||
$include_css = $settings_api->get( 'include-frontend-css' );
|
||||
|
||||
if ( $include_css === 'position' ) {
|
||||
$this->dequeue_styles();
|
||||
}
|
||||
|
||||
if ( $include_css === 'none' ) {
|
||||
$this->dequeue_styles();
|
||||
$this->dequeue_base_styles();
|
||||
}
|
||||
|
||||
$this->configs['default']['results']['position'] = $settings_api->get( 'results-pane-position' );
|
||||
$this->configs['default']['results']['width'] = empty( $settings_api->get( 'results-pane-auto-width' ) ) ? 'css' : 'auto';
|
||||
}
|
||||
|
||||
/**
|
||||
* Dequeue visual form styles.
|
||||
*
|
||||
* @since 1.7.0
|
||||
*/
|
||||
private function dequeue_styles() {
|
||||
|
||||
add_action( 'wp_enqueue_scripts', function () {
|
||||
wp_dequeue_style( 'searchwp-live-search' );
|
||||
}, 20 );
|
||||
}
|
||||
|
||||
/**
|
||||
* Dequeue base (positioning) form styles.
|
||||
*
|
||||
* @since 1.7.0
|
||||
*/
|
||||
private function dequeue_base_styles() {
|
||||
|
||||
add_filter( 'searchwp_live_search_base_styles', '__return_false' );
|
||||
}
|
||||
|
||||
/**
|
||||
* Take over search blocks by adding body class.
|
||||
*
|
||||
* @since 1.0
|
||||
*/
|
||||
public function gutenberg_integration() {
|
||||
|
||||
if ( ! apply_filters( 'searchwp_live_search_hijack_search_form_block', true ) ) {
|
||||
return;
|
||||
}
|
||||
|
||||
$engine = apply_filters( 'searchwp_live_search_get_search_form_engine', 'default' );
|
||||
$config = apply_filters( 'searchwp_live_search_get_search_form_config', 'default' );
|
||||
|
||||
// Allow for block-specific.
|
||||
$engine = apply_filters( 'searchwp_live_search_get_search_form_engine_blocks', $engine );
|
||||
$config = apply_filters( 'searchwp_live_search_get_search_form_config_blocks', $config );
|
||||
|
||||
?>
|
||||
<script>
|
||||
var _SEARCHWP_LIVE_AJAX_SEARCH_BLOCKS = true;
|
||||
var _SEARCHWP_LIVE_AJAX_SEARCH_ENGINE = '<?php echo esc_js( $engine ); ?>';
|
||||
var _SEARCHWP_LIVE_AJAX_SEARCH_CONFIG = '<?php echo esc_js( $config ); ?>';
|
||||
</script>
|
||||
<?php
|
||||
}
|
||||
|
||||
/**
|
||||
* Register, localize, and enqueue all necessary JavaScript and CSS.
|
||||
*
|
||||
* @since 1.0
|
||||
*
|
||||
* @uses wp_enqueue_style() to enqueue CSS
|
||||
* @uses wp_enqueue_script() to enqueue JavaScript
|
||||
* @uses wp_register_script() to register JavaScript
|
||||
* @uses wp_localize_script() to pass PHP variables to JavaScript at runtime
|
||||
* @uses json_encode() to prepare the (potentially filtered) configs array
|
||||
*/
|
||||
public function assets() {
|
||||
|
||||
wp_enqueue_style(
|
||||
'searchwp-live-search',
|
||||
SEARCHWP_LIVE_SEARCH_PLUGIN_URL . 'assets/styles/style.css',
|
||||
null,
|
||||
SEARCHWP_LIVE_SEARCH_VERSION
|
||||
);
|
||||
|
||||
wp_enqueue_script( 'jquery' );
|
||||
|
||||
// If WP is in script debug, or we pass ?script_debug in a URL - set debug to true.
|
||||
$debug = ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG === true ) || ( isset( $_GET['script_debug'] ) ) ? '' : '.min';
|
||||
|
||||
wp_register_script(
|
||||
'swp-live-search-client',
|
||||
SEARCHWP_LIVE_SEARCH_PLUGIN_URL . "assets/javascript/dist/script{$debug}.js",
|
||||
[ 'jquery' ],
|
||||
SEARCHWP_LIVE_SEARCH_VERSION,
|
||||
true
|
||||
);
|
||||
|
||||
$ajaxurl = admin_url( 'admin-ajax.php' );
|
||||
|
||||
// Allow a direct search (e.g. avoid admin-ajax.php).
|
||||
if ( apply_filters( 'searchwp_live_search_direct_search', false ) ) {
|
||||
$ajaxurl = SEARCHWP_LIVE_SEARCH_PLUGIN_URL . 'direct.php';
|
||||
}
|
||||
|
||||
// Set up our parameters.
|
||||
$params = [
|
||||
'ajaxurl' => esc_url( $ajaxurl ),
|
||||
'origin_id' => get_queried_object_id(),
|
||||
'config' => $this->configs,
|
||||
'msg_no_config_found' => esc_html__( 'No valid SearchWP Live Search configuration found!', 'searchwp-live-ajax-search' ),
|
||||
'aria_instructions' => esc_html__( 'When autocomplete results are available use up and down arrows to review and enter to go to the desired page. Touch device users, explore by touch or with swipe gestures.' , 'searchwp-live-ajax-search' ),
|
||||
];
|
||||
|
||||
// We need to JSON encode the configs.
|
||||
$encoded_data = [
|
||||
'l10n_print_after' => 'searchwp_live_search_params = ' . wp_json_encode( $params ) . ';',
|
||||
];
|
||||
|
||||
// Localize and enqueue the script with all of the variable goodness.
|
||||
wp_localize_script( 'swp-live-search-client', 'searchwp_live_search_params', $encoded_data );
|
||||
wp_enqueue_script( 'swp-live-search-client' );
|
||||
}
|
||||
|
||||
/**
|
||||
* Callback to the get_search_form filter, allows us to automagically enable live search on form fields
|
||||
* generated using get_search_form().
|
||||
*
|
||||
* @since 1.0
|
||||
*
|
||||
* @param string $html The generated markup for the search form.
|
||||
*
|
||||
* @uses apply_filters() to allow devs to disable this functionality
|
||||
* @uses apply_filters() to allow devs to set the default SearchWP search engine
|
||||
* @uses apply_filters() to allow devs to set the default config to use
|
||||
* @uses str_replace() to inject our HTML5 data attributes where we want them
|
||||
* @uses esc_attr() to escape the search engine and config name
|
||||
*
|
||||
* @return string Markup for the search form
|
||||
*/
|
||||
public function get_search_form( $html ) {
|
||||
|
||||
if ( ! apply_filters( 'searchwp_live_search_hijack_get_search_form', true ) ) {
|
||||
return $html;
|
||||
}
|
||||
|
||||
$engine = apply_filters( 'searchwp_live_search_get_search_form_engine', 'default' );
|
||||
$config = apply_filters( 'searchwp_live_search_get_search_form_config', 'default' );
|
||||
// We're going to use 'name="s"' as our anchor for replacement.
|
||||
$html = str_replace( 'name="s"', 'name="s" data-swplive="true" data-swpengine="' . esc_attr( $engine ) . '" data-swpconfig="' . esc_attr( $config ) . '"', $html );
|
||||
|
||||
return $html;
|
||||
}
|
||||
|
||||
/**
|
||||
* Output the base styles (absolutely minimal) necessary to properly set up the results wrapper.
|
||||
*
|
||||
* @since 1.0
|
||||
*
|
||||
* @uses apply_filters() to allow devs to disable this functionality
|
||||
*/
|
||||
public function base_styles() {
|
||||
|
||||
if ( ! apply_filters( 'searchwp_live_search_base_styles', true ) ) {
|
||||
return;
|
||||
}
|
||||
|
||||
?>
|
||||
<style>
|
||||
.searchwp-live-search-results {
|
||||
opacity: 0;
|
||||
transition: opacity .25s ease-in-out;
|
||||
-moz-transition: opacity .25s ease-in-out;
|
||||
-webkit-transition: opacity .25s ease-in-out;
|
||||
height: 0;
|
||||
overflow: hidden;
|
||||
z-index: 9999995; /* Exceed SearchWP Modal Search Form overlay. */
|
||||
position: absolute;
|
||||
display: none;
|
||||
}
|
||||
|
||||
.searchwp-live-search-results-showing {
|
||||
display: block;
|
||||
opacity: 1;
|
||||
height: auto;
|
||||
overflow: auto;
|
||||
}
|
||||
|
||||
.searchwp-live-search-no-results {
|
||||
padding: 3em 2em 0;
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.searchwp-live-search-no-min-chars:after {
|
||||
content: "<?php esc_attr_e( 'Continue typing', 'searchwp-live-ajax-search' ); ?>";
|
||||
display: block;
|
||||
text-align: center;
|
||||
padding: 2em 2em 0;
|
||||
}
|
||||
</style>
|
||||
<?php
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user