color

class section_setting {

	public function __construct() {

		if ( is_admin() ) {
			add_action( 'load-post.php',     array( $this, 'init_metabox' ) );
			add_action( 'load-post-new.php', array( $this, 'init_metabox' ) );
		}

	}

	public function init_metabox() {

		add_action( 'add_meta_boxes',        array( $this, 'add_metabox' )         );
		add_action( 'save_post',             array( $this, 'save_metabox' ), 10, 2 );

	}

	public function add_metabox() {

		add_meta_box(
			'section_setting_id',
			__( 'Impostazioni della sezione', 'text_domain' ),
			array( $this, 'render_metabox' ),
			array( 'post', 'page' ),
			'advanced',
			'default'
		);

	}

	public function render_metabox( $post ) {

		// Retrieve an existing value from the database.
		$ss_color = get_post_meta( $post->ID, 'ss_color', true );
		$ss_align = get_post_meta( $post->ID, 'ss_align', true );
		$ss_mcolor = get_post_meta( $post->ID, 'ss_mcolor', true );

		// Set default values.
		if( empty( $ss_color ) ) $ss_color = '';
		if( empty( $ss_align ) ) $ss_align = '';
		if( empty( $ss_mcolor ) ) $ss_mcolor = '';

		// Form fields.
		echo '<table class="form-table">';

		echo '	<tr>';
		echo '		<th><label for="ss_color" class="ss_color_label">' . __( 'Il colore della sezione', 'text_domain' ) . '</label></th>';
		echo '		<td>';
		echo '			<label><input type="radio" name="ss_color" class="ss_color_field" value="ss_1" ' . checked( $ss_color, 'ss_1', false ) . '> ' . __( 'bianco', 'text_domain' ) . '</label><br>';
		echo '			<label><input type="radio" name="ss_color" class="ss_color_field" value="ss_2" ' . checked( $ss_color, 'ss_2', false ) . '> ' . __( 'blu', 'text_domain' ) . '</label><br>';
		echo '			<label><input type="radio" name="ss_color" class="ss_color_field" value="ss_0" ' . checked( $ss_color, 'ss_0', false ) . '> ' . __( 'custom', 'text_domain' ) . '</label><br>';
		echo '			<p class="description">' . __( 'Scegli il colore degli elementi della sezione', 'text_domain' ) . '</p>';
		echo '		</td>';
		echo '	</tr>';

		echo '	<tr>';
		echo '		<th><label for="ss_align" class="ss_align_label">' . __( 'Allinemento del contenuto', 'text_domain' ) . '</label></th>';
		echo '		<td>';
		echo '			<label><input type="radio" name="ss_align" class="ss_align_field" value="ss_left" ' . checked( $ss_align, 'ss_left', false ) . '> ' . __( 'sinistra', 'text_domain' ) . '</label><br>';
		echo '			<label><input type="radio" name="ss_align" class="ss_align_field" value="ss_center" ' . checked( $ss_align, 'ss_center', false ) . '> ' . __( 'centrale', 'text_domain' ) . '</label><br>';
		echo '			<label><input type="radio" name="ss_align" class="ss_align_field" value="ss_right" ' . checked( $ss_align, 'ss_right', false ) . '> ' . __( 'destra', 'text_domain' ) . '</label><br>';
		echo '			<p class="description">' . __( 'Scegli come allineare il contenuto', 'text_domain' ) . '</p>';
		echo '		</td>';
		echo '	</tr>';

		echo '	<tr>';
		echo '		<th><label for="ss_mcolor" class="ss_mcolor_label">' . __( 'Il colore del menu e del logo', 'text_domain' ) . '</label></th>';
		echo '		<td>';
		echo '			<label><input type="radio" name="ss_mcolor" class="ss_mcolor_field" value="ss_1" ' . checked( $ss_mcolor, 'ss_1', false ) . '> ' . __( 'bianco', 'text_domain' ) . '</label><br>';
		echo '			<label><input type="radio" name="ss_mcolor" class="ss_mcolor_field" value="ss_2" ' . checked( $ss_mcolor, 'ss_2', false ) . '> ' . __( 'blu', 'text_domain' ) . '</label><br>';
		echo '			<label><input type="radio" name="ss_mcolor" class="ss_mcolor_field" value="ss_3" ' . checked( $ss_mcolor, 'ss_3', false ) . '> ' . __( 'custom', 'text_domain' ) . '</label><br>';
		echo '			<p class="description">' . __( 'Scegli il colore del menu e del logo', 'text_domain' ) . '</p>';
		echo '		</td>';
		echo '	</tr>';

		echo '</table>';

	}

	public function save_metabox( $post_id, $post ) {

		// Sanitize user input.
		$ss_new_color = isset( $_POST[ 'ss_color' ] ) ? $_POST[ 'ss_color' ] : '';
		$ss_new_align = isset( $_POST[ 'ss_align' ] ) ? $_POST[ 'ss_align' ] : '';
		$ss_new_mcolor = isset( $_POST[ 'ss_mcolor' ] ) ? $_POST[ 'ss_mcolor' ] : '';

		// Update the meta field in the database.
		update_post_meta( $post_id, 'ss_color', $ss_new_color );
		update_post_meta( $post_id, 'ss_align', $ss_new_align );
		update_post_meta( $post_id, 'ss_mcolor', $ss_new_mcolor );

	}

}

new section_setting;