content-slider.php
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<?php
namespace Getwid\Blocks;
class ContentSlider extends AbstractBlock {
protected static $blockName = 'getwid/content-slider';
private $assetsAlreadyEnqueued = false;
public function __construct() {
parent::__construct( self::$blockName );
register_block_type(
'getwid/content-slider',
array(
'render_callback' => [ $this, 'render_callback' ]
)
);
if ( $this->isEnabled() ) {
add_filter( 'getwid/editor_blocks_js/dependencies', [ $this, 'block_editor_scripts'] );
add_filter( 'getwid/blocks_style_css/dependencies', [ $this, 'block_frontend_styles' ] );
//Register JS/CSS assets
wp_register_script(
'slick',
getwid_get_plugin_url( 'vendors/slick/slick/slick.min.js' ),
[ 'jquery' ],
'1.9.0',
true
);
wp_register_style(
'slick',
getwid_get_plugin_url( 'vendors/slick/slick/slick.min.css' ),
[],
'1.9.0'
);
wp_register_style(
'slick-theme',
getwid_get_plugin_url( 'vendors/slick/slick/slick-theme.min.css' ),
[],
'1.9.0'
);
}
}
public function getLabel() {
return __('Content Slider', 'getwid');
}
public function block_frontend_styles($styles) {
//slick.min.css
if ( ! in_array( 'slick', $styles ) ) {
array_push( $styles, 'slick' );
}
//slick-theme.min.css
if ( ! in_array( 'slick-theme', $styles ) ) {
array_push( $styles, 'slick-theme' );
}
return $styles;
}
public function block_editor_scripts($scripts) {
//slick.min.js
if ( ! in_array( 'slick', $scripts ) ) {
array_push( $scripts, 'slick' );
}
return $scripts;
}
public function block_frontend_assets() {
if ( is_admin() ) {
return;
}
//slick.min.js
if ( ! wp_script_is( 'slick', 'enqueued' ) ) {
wp_enqueue_script('slick');
}
if ( FALSE == getwid()->assetsOptimization()->load_assets_on_demand() ) {
return;
}
add_filter( 'getwid/optimize/assets',
function ( $assets ) {
$assets[] = 'slick';
$assets[] = 'slick-theme';
$assets[] = getwid()->settings()->getPrefix() . '-blocks-common';
return $assets;
}
);
add_filter( 'getwid/optimize/should_load_common_css', '__return_true' );
wp_enqueue_script(
self::$blockName,
getwid_get_plugin_url( 'assets/blocks/content-slider/frontend.js' ),
[ 'jquery', 'slick' ],
getwid()->settings()->getVersion(),
true
);
if ( !$this->assetsAlreadyEnqueued) {
$inline_script =
'var Getwid = Getwid || {};' .
'Getwid["isRTL"] = ' . json_encode( is_rtl() ) . ';';
wp_add_inline_script(
self::$blockName,
$inline_script,
'before'
);
}
$this->assetsAlreadyEnqueued = true;
}
public function render_callback( $attributes, $content ) {
$this->block_frontend_assets();
return $content;
}
}
getwid()->blocksManager()->addBlock(
new ContentSlider()
);