<?php

/**

 * Twenty Seventeen: Customizer

 *

 * @package WordPress

 * @subpackage Twenty_Seventeen

 * @since 1.0

 */

/**

 * Add postMessage support for site title and description for the Theme Customizer.

 *

 * @param WP_Customize_Manager $wp_customize Theme Customizer object.

 */

function twentyseventeen_customize_register( $wp_customize ) {

	$wp_customize->get_setting( 'blogname' )->transport          = 'postMessage';

	$wp_customize->get_setting( 'blogdescription' )->transport   = 'postMessage';

	$wp_customize->get_setting( 'header_textcolor' )->transport  = 'postMessage';

	$wp_customize->selective_refresh->add_partial( 'blogname', array(

		'selector' => '.site-title a',

		'render_callback' => 'twentyseventeen_customize_partial_blogname',

	) );

	$wp_customize->selective_refresh->add_partial( 'blogdescription', array(

		'selector' => '.site-description',

		'render_callback' => 'twentyseventeen_customize_partial_blogdescription',

	) );

	/**

	 * Custom colors.

	 */

	$wp_customize->add_setting( 'colorscheme', array(

		'default'           => 'light',

		'transport'         => 'postMessage',

		'sanitize_callback' => 'twentyseventeen_sanitize_colorscheme',

	) );

	$wp_customize->add_setting( 'colorscheme_hue', array(

		'default'           => 250,

		'transport'         => 'postMessage',

		'sanitize_callback' => 'absint', // The hue is stored as a positive integer.

	) );

	$wp_customize->add_control( 'colorscheme', array(

		'type'    => 'radio',

		'label'    => __( 'Color Scheme', 'twentyseventeen' ),

		'choices'  => array(

			'light'  => __( 'Light', 'twentyseventeen' ),

			'dark'   => __( 'Dark', 'twentyseventeen' ),

			'custom' => __( 'Custom', 'twentyseventeen' ),

		),

		'section'  => 'colors',

		'priority' => 5,

	) );

	$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'colorscheme_hue', array(

		'mode' => 'hue',

		'section'  => 'colors',

		'priority' => 6,

	) ) );

	/**

	 * Theme options.

	 */

	$wp_customize->add_section( 'theme_options', array(

		'title'    => __( 'Theme Options', 'twentyseventeen' ),

		'priority' => 130, // Before Additional CSS.

	) );

	$wp_customize->add_setting( 'page_layout', array(

		'default'           => 'two-column',

		'sanitize_callback' => 'twentyseventeen_sanitize_page_layout',

		'transport'         => 'postMessage',

	) );

	$wp_customize->add_control( 'page_layout', array(

		'label'       => __( 'Page Layout', 'twentyseventeen' ),

		'section'     => 'theme_options',

		'type'        => 'radio',

		'description' => __( 'When the two-column layout is assigned, the page title is in one column and content is in the other.', 'twentyseventeen' ),

		'choices'     => array(

			'one-column' => __( 'One Column', 'twentyseventeen' ),

			'two-column' => __( 'Two Column', 'twentyseventeen' ),

		),

		'active_callback' => 'twentyseventeen_is_view_with_layout_option',

	) );

	/**

	 * Filter number of front page sections in Twenty Seventeen.

	 *

	 * @since Twenty Seventeen 1.0

	 *

	 * @param int $num_sections Number of front page sections.

	 */

	$num_sections = apply_filters( 'twentyseventeen_front_page_sections', 4 );

	// Create a setting and control for each of the sections available in the theme.

	for ( $i = 1; $i < ( 1 + $num_sections ); $i++ ) {

		$wp_customize->add_setting( 'panel_' . $i, array(

			'default'           => false,

			'sanitize_callback' => 'absint',

			'transport'         => 'postMessage',

		) );

		$wp_customize->add_control( 'panel_' . $i, array(

			/* translators: %d is the front page section number */

			'label'          => sprintf( __( 'Front Page Section %d Content', 'twentyseventeen' ), $i ),

			'description'    => ( 1 !== $i ? '' : __( 'Select pages to feature in each area from the dropdowns. Add an image to a section by setting a featured image in the page editor. Empty sections will not be displayed.', 'twentyseventeen' ) ),

			'section'        => 'theme_options',

			'type'           => 'dropdown-pages',

			'allow_addition' => true,

			'active_callback' => 'twentyseventeen_is_static_front_page',

		) );

		$wp_customize->selective_refresh->add_partial( 'panel_' . $i, array(

			'selector'            => '#panel' . $i,

			'render_callback'     => 'twentyseventeen_front_page_section',

			'container_inclusive' => true,

		) );

	}

}

add_action( 'customize_register', 'twentyseventeen_customize_register' );

/**

 * Sanitize the page layout options.

 *

 * @param string $input Page layout.

 */

function twentyseventeen_sanitize_page_layout( $input ) {

	$valid = array(

		'one-column' => __( 'One Column', 'twentyseventeen' ),

		'two-column' => __( 'Two Column', 'twentyseventeen' ),

	);

	if ( array_key_exists( $input, $valid ) ) {

		return $input;

	}

	return '';

}

/**

 * Sanitize the colorscheme.

 *

 * @param string $input Color scheme.

 */

function twentyseventeen_sanitize_colorscheme( $input ) {

	$valid = array( 'light', 'dark', 'custom' );

	if ( in_array( $input, $valid, true ) ) {

		return $input;

	}

	return 'light';

}

/**

 * Render the site title for the selective refresh partial.

 *

 * @since Twenty Seventeen 1.0

 * @see twentyseventeen_customize_register()

 *

 * @return void

 */

function twentyseventeen_customize_partial_blogname() {

	bloginfo( 'name' );

}

/**

 * Render the site tagline for the selective refresh partial.

 *

 * @since Twenty Seventeen 1.0

 * @see twentyseventeen_customize_register()

 *

 * @return void

 */

function twentyseventeen_customize_partial_blogdescription() {

	bloginfo( 'description' );

}

/**

 * Return whether we're previewing the front page and it's a static page.

 */

function twentyseventeen_is_static_front_page() {

	return ( is_front_page() && ! is_home() );

}

/**

 * Return whether we're on a view that supports a one or two column layout.

 */

function twentyseventeen_is_view_with_layout_option() {

	// This option is available on all pages. It's also available on archives when there isn't a sidebar.

	return ( is_page() || ( is_archive() && ! is_active_sidebar( 'sidebar-1' ) ) );

}

/**

 * Bind JS handlers to instantly live-preview changes.

 */

function twentyseventeen_customize_preview_js() {

	wp_enqueue_script( 'twentyseventeen-customize-preview', get_theme_file_uri( '/assets/js/customize-preview.js' ), array( 'customize-preview' ), '1.0', true );

}

add_action( 'customize_preview_init', 'twentyseventeen_customize_preview_js' );

/**

 * Load dynamic logic for the customizer controls area.

 */

function twentyseventeen_panels_js() {

	wp_enqueue_script( 'twentyseventeen-customize-controls', get_theme_file_uri( '/assets/js/customize-controls.js' ), array(), '1.0', true );

}

add_action( 'customize_controls_enqueue_scripts', 'twentyseventeen_panels_js' );