--- /dev/null
+<?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 $num_sections integer
+ */
+ $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.
+ */
+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.
+ */
+function twentyseventeen_sanitize_colorscheme( $input ) {
+ $valid = array( 'light', 'dark', 'custom' );
+
+ if ( in_array( $input, $valid ) ) {
+ 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' );