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Edit File : theme-options.php \| Size : 22.07 KB
<?php /** * Twenty Eleven Theme Options * * @package WordPress * @subpackage Twenty_Eleven * @since Twenty Eleven 1.0 / /* * Properly enqueue styles and scripts for our theme options page. * * This function is attached to the admin_enqueue_scripts action hook. * * @since Twenty Eleven 1.0 * * @param string $hook_suffix An admin page's hook suffix. / function twentyeleven_admin_enqueue_scripts( $hook_suffix ) { wp_enqueue_style( 'twentyeleven-theme-options', get_template_directory_uri() . '/inc/theme-options.css', false, '20110602' ); wp_enqueue_script( 'twentyeleven-theme-options', get_template_directory_uri() . '/inc/theme-options.js', array( 'farbtastic' ), '20110610' ); wp_enqueue_style( 'farbtastic' ); } add_action( 'admin_print_styles-appearance_page_theme_options', 'twentyeleven_admin_enqueue_scripts' ); /* * Register the form setting for our twentyeleven_options array. * * This function is attached to the admin_init action hook. * * This call to register_setting() registers a validation callback, twentyeleven_theme_options_validate(), * which is used when the option is saved, to ensure that our option values are complete, properly * formatted, and safe. * * @since Twenty Eleven 1.0 / function twentyeleven_theme_options_init() { register_setting( 'twentyeleven_options', // Options group, see settings_fields() call in twentyeleven_theme_options_render_page(). 'twentyeleven_theme_options', // Database option, see twentyeleven_get_theme_options(). 'twentyeleven_theme_options_validate' // The sanitization callback, see twentyeleven_theme_options_validate(). ); // Register our settings field group. add_settings_section( 'general', // Unique identifier for the settings section. '', // Section title (we don't want one). '__return_false', // Section callback (we don't want anything). 'theme_options' // Menu slug, used to uniquely identify the page; see twentyeleven_theme_options_add_page(). ); // Register our individual settings fields. add_settings_field( 'color_scheme', // Unique identifier for the field for this section. __( 'Color Scheme', 'twentyeleven' ), // Setting field label. 'twentyeleven_settings_field_color_scheme', // Function that renders the settings field. 'theme_options', // Menu slug, used to uniquely identify the page; see twentyeleven_theme_options_add_page(). 'general' // Settings section. Same as the first argument in the add_settings_section() above. ); add_settings_field( 'link_color', __( 'Link Color', 'twentyeleven' ), 'twentyeleven_settings_field_link_color', 'theme_options', 'general' ); add_settings_field( 'layout', __( 'Default Layout', 'twentyeleven' ), 'twentyeleven_settings_field_layout', 'theme_options', 'general' ); } add_action( 'admin_init', 'twentyeleven_theme_options_init' ); /* * Change the capability required to save the 'twentyeleven_options' options group. * * @see twentyeleven_theme_options_init() First parameter to register_setting() is the name of the options group. * @see twentyeleven_theme_options_add_page() The edit_theme_options capability is used for viewing the page. * * By default, the options groups for all registered settings require the manage_options capability. * This filter is required to change our theme options page to edit_theme_options instead. * By default, only administrators have either of these capabilities, but the desire here is * to allow for finer-grained control for roles and users. * * @param string $capability The capability used for the page, which is manage_options by default. * @return string The capability to actually use. / function twentyeleven_option_page_capability( $capability ) { return 'edit_theme_options'; } add_filter( 'option_page_capability_twentyeleven_options', 'twentyeleven_option_page_capability' ); /* * Add a theme options page to the admin menu, including some help documentation. * * This function is attached to the admin_menu action hook. * * @since Twenty Eleven 1.0 / function twentyeleven_theme_options_add_page() { $theme_page = add_theme_page( __( 'Theme Options', 'twentyeleven' ), // Name of page. __( 'Theme Options', 'twentyeleven' ), // Label in menu. 'edit_theme_options', // Capability required. 'theme_options', // Menu slug, used to uniquely identify the page. 'twentyeleven_theme_options_render_page' // Function that renders the options page. ); if ( ! $theme_page ) { return; } add_action( "load-{$theme_page}", 'twentyeleven_theme_options_help' ); } add_action( 'admin_menu', 'twentyeleven_theme_options_add_page' ); function twentyeleven_theme_options_help() { $help = '<p>' . __( 'Some themes provide customization options that are grouped together on a Theme Options screen. If you change themes, options may change or disappear, as they are theme-specific. Your current theme, Twenty Eleven, provides the following Theme Options:', 'twentyeleven' ) . '</p>' . '<ol>' . '<li>' . __( '<strong>Color Scheme</strong>: You can choose a color palette of "Light" (light background with dark text) or "Dark" (dark background with light text) for your site.', 'twentyeleven' ) . '</li>' . '<li>' . __( '<strong>Link Color</strong>: You can choose the color used for text links on your site. You can enter the HTML color or hex code, or you can choose visually by clicking the "Select a Color" button to pick from a color wheel.', 'twentyeleven' ) . '</li>' . '<li>' . __( '<strong>Default Layout</strong>: You can choose if you want your site’s default layout to have a sidebar on the left, the right, or not at all.', 'twentyeleven' ) . '</li>' . '</ol>' . '<p>' . __( 'Remember to click "Save Changes" to save any changes you have made to the theme options.', 'twentyeleven' ) . '</p>'; $sidebar = '<p><strong>' . __( 'For more information:', 'twentyeleven' ) . '</strong></p>' . '<p>' . __( '<a href="https://wordpress.org/support/article/appearance-customize-screen/" target="_blank">Documentation on Theme Options</a>', 'twentyeleven' ) . '</p>' . '<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>', 'twentyeleven' ) . '</p>'; $screen = get_current_screen(); if ( method_exists( $screen, 'add_help_tab' ) ) { // WordPress 3.3.0. $screen->add_help_tab( array( 'title' => __( 'Overview', 'twentyeleven' ), 'id' => 'theme-options-help', 'content' => $help, ) ); $screen->set_help_sidebar( $sidebar ); } else { // WordPress 3.2.0. add_contextual_help( $screen, $help . $sidebar ); } } /* * Return an array of color schemes registered for Twenty Eleven. * * @since Twenty Eleven 1.0 / function twentyeleven_color_schemes() { $color_scheme_options = array( 'light' => array( 'value' => 'light', 'label' => __( 'Light', 'twentyeleven' ), 'thumbnail' => get_template_directory_uri() . '/inc/images/light.png', 'default_link_color' => '#1b8be0', ), 'dark' => array( 'value' => 'dark', 'label' => __( 'Dark', 'twentyeleven' ), 'thumbnail' => get_template_directory_uri() . '/inc/images/dark.png', 'default_link_color' => '#e4741f', ), ); /* * Filter the Twenty Eleven color scheme options. * * @since Twenty Eleven 1.0 * * @param array $color_scheme_options An associative array of color scheme options. / return apply_filters( 'twentyeleven_color_schemes', $color_scheme_options ); } /* * Return an array of layout options registered for Twenty Eleven. * * @since Twenty Eleven 1.0 / function twentyeleven_layouts() { $layout_options = array( 'content-sidebar' => array( 'value' => 'content-sidebar', 'label' => __( 'Content on left', 'twentyeleven' ), 'thumbnail' => get_template_directory_uri() . '/inc/images/content-sidebar.png', ), 'sidebar-content' => array( 'value' => 'sidebar-content', 'label' => __( 'Content on right', 'twentyeleven' ), 'thumbnail' => get_template_directory_uri() . '/inc/images/sidebar-content.png', ), 'content' => array( 'value' => 'content', 'label' => __( 'One-column, no sidebar', 'twentyeleven' ), 'thumbnail' => get_template_directory_uri() . '/inc/images/content.png', ), ); /* * Filter the Twenty Eleven layout options. * * @since Twenty Eleven 1.0 * * @param array $layout_options An associative array of layout options. / return apply_filters( 'twentyeleven_layouts', $layout_options ); } /* * Return the default options for Twenty Eleven. * * @since Twenty Eleven 1.0 * * @return array An array of default theme options. / function twentyeleven_get_default_theme_options() { $default_theme_options = array( 'color_scheme' => 'light', 'link_color' => twentyeleven_get_default_link_color( 'light' ), 'theme_layout' => 'content-sidebar', ); if ( is_rtl() ) { $default_theme_options['theme_layout'] = 'sidebar-content'; } /* * Filter the Twenty Eleven default options. * * @since Twenty Eleven 1.0 * * @param array $default_theme_options An array of default theme options. / return apply_filters( 'twentyeleven_default_theme_options', $default_theme_options ); } /* * Return the default link color for Twenty Eleven, based on color scheme. * * @since Twenty Eleven 1.0 * * @param string $color_scheme Optional. Color scheme. * Default null (or the active color scheme). * @return string The default link color. / function twentyeleven_get_default_link_color( $color_scheme = null ) { if ( null === $color_scheme ) { $options = twentyeleven_get_theme_options(); $color_scheme = $options['color_scheme']; } $color_schemes = twentyeleven_color_schemes(); if ( ! isset( $color_schemes[ $color_scheme ] ) ) { return false; } return $color_schemes[ $color_scheme ]['default_link_color']; } /* * Return the options array for Twenty Eleven. * * @since Twenty Eleven 1.0 / function twentyeleven_get_theme_options() { return get_option( 'twentyeleven_theme_options', twentyeleven_get_default_theme_options() ); } /* * Render the Color Scheme setting field. * * @since Twenty Eleven 1.3 / function twentyeleven_settings_field_color_scheme() { $options = twentyeleven_get_theme_options(); foreach ( twentyeleven_color_schemes() as $scheme ) { ?> <div class="layout image-radio-option color-scheme"> <label class="description"> <input type="radio" name="twentyeleven_theme_options[color_scheme]" value="<?php echo esc_attr( $scheme['value'] ); ?>" <?php checked( $options['color_scheme'], $scheme['value'] ); ?> /> <input type="hidden" id="default-color-<?php echo esc_attr( $scheme['value'] ); ?>" value="<?php echo esc_attr( $scheme['default_link_color'] ); ?>" /> <span> <img src="<?php echo esc_url( $scheme['thumbnail'] ); ?>" width="136" height="122" alt="" /> <?php echo esc_html( $scheme['label'] ); ?> </span> </label> </div> <?php } } /* * Render the Link Color setting field. * * @since Twenty Eleven 1.3 / function twentyeleven_settings_field_link_color() { $options = twentyeleven_get_theme_options(); ?> <input type="text" name="twentyeleven_theme_options[link_color]" id="link-color" value="<?php echo esc_attr( $options['link_color'] ); ?>" /> <a href="#" class="pickcolor hide-if-no-js" id="link-color-example"></a> <input type="button" class="pickcolor button hide-if-no-js" value="<?php esc_attr_e( 'Select a Color', 'twentyeleven' ); ?>" /> <div id="colorPickerDiv" style="z-index: 100; background:#eee; border:1px solid #ccc; position:absolute; display:none;"></div> <br /> <span> <?php / translators: %s: Link color. / printf( __( 'Default color: %s', 'twentyeleven' ), '<span id="default-color">' . twentyeleven_get_default_link_color( $options['color_scheme'] ) . '</span>' ); ?> </span> <?php } /* * Render the Layout setting field. * * @since Twenty Eleven 1.3 / function twentyeleven_settings_field_layout() { $options = twentyeleven_get_theme_options(); foreach ( twentyeleven_layouts() as $layout ) { ?> <div class="layout image-radio-option theme-layout"> <label class="description"> <input type="radio" name="twentyeleven_theme_options[theme_layout]" value="<?php echo esc_attr( $layout['value'] ); ?>" <?php checked( $options['theme_layout'], $layout['value'] ); ?> /> <span> <img src="<?php echo esc_url( $layout['thumbnail'] ); ?>" width="136" height="122" alt="" /> <?php echo esc_html( $layout['label'] ); ?> </span> </label> </div> <?php } } /* * Render the theme options page for Twenty Eleven. * * @since Twenty Eleven 1.2 / function twentyeleven_theme_options_render_page() { ?> <div class="wrap"> <?php screen_icon(); ?> <?php $theme_name = function_exists( 'wp_get_theme' ) ? wp_get_theme() : get_current_theme(); ?> <h2> <?php / translators: %s: Theme name. / printf( __( '%s Theme Options', 'twentyeleven' ), $theme_name ); ?> </h2> <?php settings_errors(); ?> <form method="post" action="options.php"> <?php settings_fields( 'twentyeleven_options' ); do_settings_sections( 'theme_options' ); submit_button(); ?> </form> </div> <?php } /* * Sanitize and validate form input. * * Accepts an array, return a sanitized array. * * @see twentyeleven_theme_options_init() * @todo set up Reset Options action * * @since Twenty Eleven 1.0 * * @param array $input An array of form input. / function twentyeleven_theme_options_validate( $input ) { $defaults = twentyeleven_get_default_theme_options(); $output = $defaults; // Color scheme must be in our array of color scheme options. if ( isset( $input['color_scheme'] ) && array_key_exists( $input['color_scheme'], twentyeleven_color_schemes() ) ) { $output['color_scheme'] = $input['color_scheme']; } // Our defaults for the link color may have changed, based on the color scheme. $defaults['link_color'] = twentyeleven_get_default_link_color( $output['color_scheme'] ); $output['link_color'] = $defaults['link_color']; // Link color must be 3 or 6 hexadecimal characters. if ( isset( $input['link_color'] ) && preg_match( '/^#?([a-f0-9]{3}){1,2}$/i', $input['link_color'] ) ) { $output['link_color'] = '#' . strtolower( ltrim( $input['link_color'], '#' ) ); } // Theme layout must be in our array of theme layout options. if ( isset( $input['theme_layout'] ) && array_key_exists( $input['theme_layout'], twentyeleven_layouts() ) ) { $output['theme_layout'] = $input['theme_layout']; } /* * Filter the Twenty Eleven sanitized form input array. * * @since Twenty Eleven 1.0 * * @param array $output An array of sanitized form output. * @param array $input An array of un-sanitized form input. * @param array $defaults An array of default theme options. / return apply_filters( 'twentyeleven_theme_options_validate', $output, $input, $defaults ); } /* * Enqueue the styles for the current color scheme. * * @since Twenty Eleven 1.0 / function twentyeleven_enqueue_color_scheme() { $options = twentyeleven_get_theme_options(); $color_scheme = $options['color_scheme']; if ( 'dark' === $color_scheme ) { wp_enqueue_style( 'dark', get_template_directory_uri() . '/colors/dark.css', array(), '20190404' ); } /* * Fires after the styles for the Twenty Eleven color scheme are enqueued. * * @since Twenty Eleven 1.0 * * @param string $color_scheme The color scheme. / do_action( 'twentyeleven_enqueue_color_scheme', $color_scheme ); } add_action( 'wp_enqueue_scripts', 'twentyeleven_enqueue_color_scheme' ); /* * Add a style block to the theme for the current link color. * * This function is attached to the wp_head action hook. * * @since Twenty Eleven 1.0 / function twentyeleven_print_link_color_style() { $options = twentyeleven_get_theme_options(); $link_color = $options['link_color']; $default_options = twentyeleven_get_default_theme_options(); // Don't do anything if the current link color is the default. if ( $default_options['link_color'] == $link_color ) { return; } ?> <style> / Link color / a, #site-title a:focus, #site-title a:hover, #site-title a:active, .entry-title a:hover, .entry-title a:focus, .entry-title a:active, .widget_twentyeleven_ephemera .comments-link a:hover, section.recent-posts .other-recent-posts a[rel="bookmark"]:hover, section.recent-posts .other-recent-posts .comments-link a:hover, .format-image footer.entry-meta a:hover, #site-generator a:hover { color: <?php echo $link_color; ?>; } section.recent-posts .other-recent-posts .comments-link a:hover { border-color: <?php echo $link_color; ?>; } article.feature-image.small .entry-summary p a:hover, .entry-header .comments-link a:hover, .entry-header .comments-link a:focus, .entry-header .comments-link a:active, .feature-slider a.active { background-color: <?php echo $link_color; ?>; } </style> <?php } add_action( 'wp_head', 'twentyeleven_print_link_color_style' ); /* * Add Twenty Eleven layout classes to the array of body classes. * * @since Twenty Eleven 1.0 * * @param array $existing_classes An array of existing body classes. / function twentyeleven_layout_classes( $existing_classes ) { $options = twentyeleven_get_theme_options(); $current_layout = $options['theme_layout']; if ( in_array( $current_layout, array( 'content-sidebar', 'sidebar-content' ), true ) ) { $classes = array( 'two-column' ); } else { $classes = array( 'one-column' ); } if ( 'content-sidebar' === $current_layout ) { $classes[] = 'right-sidebar'; } elseif ( 'sidebar-content' === $current_layout ) { $classes[] = 'left-sidebar'; } else { $classes[] = $current_layout; } /* * Filter the Twenty Eleven layout body classes. * * @since Twenty Eleven 1.0 * * @param array $classes An array of body classes. * @param string $current_layout The current theme layout. / $classes = apply_filters( 'twentyeleven_layout_classes', $classes, $current_layout ); return array_merge( $existing_classes, $classes ); } add_filter( 'body_class', 'twentyeleven_layout_classes' ); /* * Implements Twenty Eleven theme options into Customizer * * @since Twenty Eleven 1.3 * * @param object $wp_customize Customizer object. / function twentyeleven_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'; if ( isset( $wp_customize->selective_refresh ) ) { $wp_customize->selective_refresh->add_partial( 'blogname', array( 'selector' => '#site-title a', 'container_inclusive' => false, 'render_callback' => 'twentyeleven_customize_partial_blogname', ) ); $wp_customize->selective_refresh->add_partial( 'blogdescription', array( 'selector' => '#site-description', 'container_inclusive' => false, 'render_callback' => 'twentyeleven_customize_partial_blogdescription', ) ); } $options = twentyeleven_get_theme_options(); $defaults = twentyeleven_get_default_theme_options(); $wp_customize->add_setting( 'twentyeleven_theme_options[color_scheme]', array( 'default' => $defaults['color_scheme'], 'type' => 'option', 'capability' => 'edit_theme_options', ) ); $schemes = twentyeleven_color_schemes(); $choices = array(); foreach ( $schemes as $scheme ) { $choices[ $scheme['value'] ] = $scheme['label']; } $wp_customize->add_control( 'twentyeleven_color_scheme', array( 'label' => __( 'Color Scheme', 'twentyeleven' ), 'section' => 'colors', 'settings' => 'twentyeleven_theme_options[color_scheme]', 'type' => 'radio', 'choices' => $choices, 'priority' => 5, ) ); // Link Color (added to Color Scheme section in Customizer). $wp_customize->add_setting( 'twentyeleven_theme_options[link_color]', array( 'default' => twentyeleven_get_default_link_color( $options['color_scheme'] ), 'type' => 'option', 'sanitize_callback' => 'sanitize_hex_color', 'capability' => 'edit_theme_options', ) ); $wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'link_color', array( 'label' => __( 'Link Color', 'twentyeleven' ), 'section' => 'colors', 'settings' => 'twentyeleven_theme_options[link_color]', ) ) ); // Default Layout. $wp_customize->add_section( 'twentyeleven_layout', array( 'title' => __( 'Layout', 'twentyeleven' ), 'priority' => 50, ) ); $wp_customize->add_setting( 'twentyeleven_theme_options[theme_layout]', array( 'type' => 'option', 'default' => $defaults['theme_layout'], 'sanitize_callback' => 'sanitize_key', ) ); $layouts = twentyeleven_layouts(); $choices = array(); foreach ( $layouts as $layout ) { $choices[ $layout['value'] ] = $layout['label']; } $wp_customize->add_control( 'twentyeleven_theme_options[theme_layout]', array( 'section' => 'twentyeleven_layout', 'type' => 'radio', 'choices' => $choices, ) ); } add_action( 'customize_register', 'twentyeleven_customize_register' ); /* * Render the site title for the selective refresh partial. * * @since Twenty Eleven 2.4 * * @see twentyeleven_customize_register() * * @return void / function twentyeleven_customize_partial_blogname() { bloginfo( 'name' ); } /* * Render the site tagline for the selective refresh partial. * * @since Twenty Eleven 2.4 * * @see twentyeleven_customize_register() * * @return void / function twentyeleven_customize_partial_blogdescription() { bloginfo( 'description' ); } /* * Bind JS handlers to make Customizer preview reload changes asynchronously. * * Used with blogname and blogdescription. * * @since Twenty Eleven 1.3 */ function twentyeleven_customize_preview_js() { wp_enqueue_script( 'twentyeleven-customizer', get_template_directory_uri() . '/inc/theme-customizer.js', array( 'customize-preview' ), '20150401', true ); } add_action( 'customize_preview_init', 'twentyeleven_customize_preview_js' ); Back

Edit File : theme-options.php | Size : 22.07 KB

<?php
/**
 * Twenty Eleven Theme Options
 *
 * @package WordPress
 * @subpackage Twenty_Eleven
 * @since Twenty Eleven 1.0
 */

/**
 * Properly enqueue styles and scripts for our theme options page.
 *
 * This function is attached to the admin_enqueue_scripts action hook.
 *
 * @since Twenty Eleven 1.0
 *
 * @param string $hook_suffix An admin page's hook suffix.
 */
function twentyeleven_admin_enqueue_scripts( $hook_suffix ) {
	wp_enqueue_style( 'twentyeleven-theme-options', get_template_directory_uri() . '/inc/theme-options.css', false, '20110602' );
	wp_enqueue_script( 'twentyeleven-theme-options', get_template_directory_uri() . '/inc/theme-options.js', array( 'farbtastic' ), '20110610' );
	wp_enqueue_style( 'farbtastic' );
}
add_action( 'admin_print_styles-appearance_page_theme_options', 'twentyeleven_admin_enqueue_scripts' );

/**
 * Register the form setting for our twentyeleven_options array.
 *
 * This function is attached to the admin_init action hook.
 *
 * This call to register_setting() registers a validation callback, twentyeleven_theme_options_validate(),
 * which is used when the option is saved, to ensure that our option values are complete, properly
 * formatted, and safe.
 *
 * @since Twenty Eleven 1.0
 */
function twentyeleven_theme_options_init() {

register_setting(
		'twentyeleven_options',               // Options group, see settings_fields() call in twentyeleven_theme_options_render_page().
		'twentyeleven_theme_options',         // Database option, see twentyeleven_get_theme_options().
		'twentyeleven_theme_options_validate' // The sanitization callback, see twentyeleven_theme_options_validate().
	);

// Register our settings field group.
	add_settings_section(
		'general',        // Unique identifier for the settings section.
		'',               // Section title (we don't want one).
		'__return_false', // Section callback (we don't want anything).
		'theme_options'   // Menu slug, used to uniquely identify the page; see twentyeleven_theme_options_add_page().
	);

// Register our individual settings fields.
	add_settings_field(
		'color_scheme',                             // Unique identifier for the field for this section.
		__( 'Color Scheme', 'twentyeleven' ),       // Setting field label.
		'twentyeleven_settings_field_color_scheme', // Function that renders the settings field.
		'theme_options',                            // Menu slug, used to uniquely identify the page; see twentyeleven_theme_options_add_page().
		'general'                                   // Settings section. Same as the first argument in the add_settings_section() above.
	);

add_settings_field( 'link_color', __( 'Link Color', 'twentyeleven' ), 'twentyeleven_settings_field_link_color', 'theme_options', 'general' );
	add_settings_field( 'layout', __( 'Default Layout', 'twentyeleven' ), 'twentyeleven_settings_field_layout', 'theme_options', 'general' );
}
add_action( 'admin_init', 'twentyeleven_theme_options_init' );

/**
 * Change the capability required to save the 'twentyeleven_options' options group.
 *
 * @see twentyeleven_theme_options_init()     First parameter to register_setting() is the name of the options group.
 * @see twentyeleven_theme_options_add_page() The edit_theme_options capability is used for viewing the page.
 *
 * By default, the options groups for all registered settings require the manage_options capability.
 * This filter is required to change our theme options page to edit_theme_options instead.
 * By default, only administrators have either of these capabilities, but the desire here is
 * to allow for finer-grained control for roles and users.
 *
 * @param string $capability The capability used for the page, which is manage_options by default.
 * @return string The capability to actually use.
 */
function twentyeleven_option_page_capability( $capability ) {
	return 'edit_theme_options';
}
add_filter( 'option_page_capability_twentyeleven_options', 'twentyeleven_option_page_capability' );

/**
 * Add a theme options page to the admin menu, including some help documentation.
 *
 * This function is attached to the admin_menu action hook.
 *
 * @since Twenty Eleven 1.0
 */
function twentyeleven_theme_options_add_page() {
	$theme_page = add_theme_page(
		__( 'Theme Options', 'twentyeleven' ),   // Name of page.
		__( 'Theme Options', 'twentyeleven' ),   // Label in menu.
		'edit_theme_options',                    // Capability required.
		'theme_options',                         // Menu slug, used to uniquely identify the page.
		'twentyeleven_theme_options_render_page' // Function that renders the options page.
	);

if ( ! $theme_page ) {
		return;
	}

add_action( "load-{$theme_page}", 'twentyeleven_theme_options_help' );
}
add_action( 'admin_menu', 'twentyeleven_theme_options_add_page' );

function twentyeleven_theme_options_help() {

$help = '<p>' . __( 'Some themes provide customization options that are grouped together on a Theme Options screen. If you change themes, options may change or disappear, as they are theme-specific. Your current theme, Twenty Eleven, provides the following Theme Options:', 'twentyeleven' ) . '</p>' .
			'<ol>' .
				'<li>' . __( '<strong>Color Scheme</strong>: You can choose a color palette of "Light" (light background with dark text) or "Dark" (dark background with light text) for your site.', 'twentyeleven' ) . '</li>' .
				'<li>' . __( '<strong>Link Color</strong>: You can choose the color used for text links on your site. You can enter the HTML color or hex code, or you can choose visually by clicking the "Select a Color" button to pick from a color wheel.', 'twentyeleven' ) . '</li>' .
				'<li>' . __( '<strong>Default Layout</strong>: You can choose if you want your site&#8217;s default layout to have a sidebar on the left, the right, or not at all.', 'twentyeleven' ) . '</li>' .
			'</ol>' .
			'<p>' . __( 'Remember to click "Save Changes" to save any changes you have made to the theme options.', 'twentyeleven' ) . '</p>';

$sidebar = '<p><strong>' . __( 'For more information:', 'twentyeleven' ) . '</strong></p>' .
		'<p>' . __( '<a href="https://wordpress.org/support/article/appearance-customize-screen/" target="_blank">Documentation on Theme Options</a>', 'twentyeleven' ) . '</p>' .
		'<p>' . __( '<a href="https://wordpress.org/support/" target="_blank">Support</a>', 'twentyeleven' ) . '</p>';

$screen = get_current_screen();

if ( method_exists( $screen, 'add_help_tab' ) ) {
		// WordPress 3.3.0.
		$screen->add_help_tab(
			array(
				'title'   => __( 'Overview', 'twentyeleven' ),
				'id'      => 'theme-options-help',
				'content' => $help,
			)
		);

$screen->set_help_sidebar( $sidebar );
	} else {
		// WordPress 3.2.0.
		add_contextual_help( $screen, $help . $sidebar );
	}
}

/**
 * Return an array of color schemes registered for Twenty Eleven.
 *
 * @since Twenty Eleven 1.0
 */
function twentyeleven_color_schemes() {
	$color_scheme_options = array(
		'light' => array(
			'value'              => 'light',
			'label'              => __( 'Light', 'twentyeleven' ),
			'thumbnail'          => get_template_directory_uri() . '/inc/images/light.png',
			'default_link_color' => '#1b8be0',
		),
		'dark'  => array(
			'value'              => 'dark',
			'label'              => __( 'Dark', 'twentyeleven' ),
			'thumbnail'          => get_template_directory_uri() . '/inc/images/dark.png',
			'default_link_color' => '#e4741f',
		),
	);

/**
	 * Filter the Twenty Eleven color scheme options.
	 *
	 * @since Twenty Eleven 1.0
	 *
	 * @param array $color_scheme_options An associative array of color scheme options.
	 */
	return apply_filters( 'twentyeleven_color_schemes', $color_scheme_options );
}

/**
 * Return an array of layout options registered for Twenty Eleven.
 *
 * @since Twenty Eleven 1.0
 */
function twentyeleven_layouts() {
	$layout_options = array(
		'content-sidebar' => array(
			'value'     => 'content-sidebar',
			'label'     => __( 'Content on left', 'twentyeleven' ),
			'thumbnail' => get_template_directory_uri() . '/inc/images/content-sidebar.png',
		),
		'sidebar-content' => array(
			'value'     => 'sidebar-content',
			'label'     => __( 'Content on right', 'twentyeleven' ),
			'thumbnail' => get_template_directory_uri() . '/inc/images/sidebar-content.png',
		),
		'content'         => array(
			'value'     => 'content',
			'label'     => __( 'One-column, no sidebar', 'twentyeleven' ),
			'thumbnail' => get_template_directory_uri() . '/inc/images/content.png',
		),
	);

/**
	 * Filter the Twenty Eleven layout options.
	 *
	 * @since Twenty Eleven 1.0
	 *
	 * @param array $layout_options An associative array of layout options.
	 */
	return apply_filters( 'twentyeleven_layouts', $layout_options );
}

/**
 * Return the default options for Twenty Eleven.
 *
 * @since Twenty Eleven 1.0
 *
 * @return array An array of default theme options.
 */
function twentyeleven_get_default_theme_options() {
	$default_theme_options = array(
		'color_scheme' => 'light',
		'link_color'   => twentyeleven_get_default_link_color( 'light' ),
		'theme_layout' => 'content-sidebar',
	);

if ( is_rtl() ) {
		$default_theme_options['theme_layout'] = 'sidebar-content';
	}

/**
	 * Filter the Twenty Eleven default options.
	 *
	 * @since Twenty Eleven 1.0
	 *
	 * @param array $default_theme_options An array of default theme options.
	 */
	return apply_filters( 'twentyeleven_default_theme_options', $default_theme_options );
}

/**
 * Return the default link color for Twenty Eleven, based on color scheme.
 *
 * @since Twenty Eleven 1.0
 *
 * @param string $color_scheme Optional. Color scheme.
 *                             Default null (or the active color scheme).
 * @return string The default link color.
 */
function twentyeleven_get_default_link_color( $color_scheme = null ) {
	if ( null === $color_scheme ) {
		$options      = twentyeleven_get_theme_options();
		$color_scheme = $options['color_scheme'];
	}

$color_schemes = twentyeleven_color_schemes();
	if ( ! isset( $color_schemes[ $color_scheme ] ) ) {
		return false;
	}

return $color_schemes[ $color_scheme ]['default_link_color'];
}

/**
 * Return the options array for Twenty Eleven.
 *
 * @since Twenty Eleven 1.0
 */
function twentyeleven_get_theme_options() {
	return get_option( 'twentyeleven_theme_options', twentyeleven_get_default_theme_options() );
}

/**
 * Render the Color Scheme setting field.
 *
 * @since Twenty Eleven 1.3
 */
function twentyeleven_settings_field_color_scheme() {
	$options = twentyeleven_get_theme_options();

foreach ( twentyeleven_color_schemes() as $scheme ) {
		?>
	<div class="layout image-radio-option color-scheme">
	<label class="description">
		<input type="radio" name="twentyeleven_theme_options[color_scheme]" value="<?php echo esc_attr( $scheme['value'] ); ?>" <?php checked( $options['color_scheme'], $scheme['value'] ); ?> />
		<input type="hidden" id="default-color-<?php echo esc_attr( $scheme['value'] ); ?>" value="<?php echo esc_attr( $scheme['default_link_color'] ); ?>" />
		<span>
			<img src="<?php echo esc_url( $scheme['thumbnail'] ); ?>" width="136" height="122" alt="" />
			<?php echo esc_html( $scheme['label'] ); ?>
		</span>
	</label>
	</div>
		<?php
	}
}

/**
 * Render the Link Color setting field.
 *
 * @since Twenty Eleven 1.3
 */
function twentyeleven_settings_field_link_color() {
	$options = twentyeleven_get_theme_options();
	?>
	<input type="text" name="twentyeleven_theme_options[link_color]" id="link-color" value="<?php echo esc_attr( $options['link_color'] ); ?>" />
	<a href="#" class="pickcolor hide-if-no-js" id="link-color-example"></a>
	<input type="button" class="pickcolor button hide-if-no-js" value="<?php esc_attr_e( 'Select a Color', 'twentyeleven' ); ?>" />
	<div id="colorPickerDiv" style="z-index: 100; background:#eee; border:1px solid #ccc; position:absolute; display:none;"></div>
	<br />
	<span>
	<?php
	/* translators: %s: Link color. */
	printf( __( 'Default color: %s', 'twentyeleven' ), '<span id="default-color">' . twentyeleven_get_default_link_color( $options['color_scheme'] ) . '</span>' );
	?>
	</span>
	<?php
}

/**
 * Render the Layout setting field.
 *
 * @since Twenty Eleven 1.3
 */
function twentyeleven_settings_field_layout() {
	$options = twentyeleven_get_theme_options();
	foreach ( twentyeleven_layouts() as $layout ) {
		?>
		<div class="layout image-radio-option theme-layout">
		<label class="description">
			<input type="radio" name="twentyeleven_theme_options[theme_layout]" value="<?php echo esc_attr( $layout['value'] ); ?>" <?php checked( $options['theme_layout'], $layout['value'] ); ?> />
			<span>
				<img src="<?php echo esc_url( $layout['thumbnail'] ); ?>" width="136" height="122" alt="" />
				<?php echo esc_html( $layout['label'] ); ?>
			</span>
		</label>
		</div>
		<?php
	}
}

/**
 * Render the theme options page for Twenty Eleven.
 *
 * @since Twenty Eleven 1.2
 */
function twentyeleven_theme_options_render_page() {
	?>
	<div class="wrap">
		<?php screen_icon(); ?>
		<?php $theme_name = function_exists( 'wp_get_theme' ) ? wp_get_theme() : get_current_theme(); ?>
		<h2>
		<?php
		/* translators: %s: Theme name. */
		printf( __( '%s Theme Options', 'twentyeleven' ), $theme_name );
		?>
		</h2>
		<?php settings_errors(); ?>

<form method="post" action="options.php">
			<?php
				settings_fields( 'twentyeleven_options' );
				do_settings_sections( 'theme_options' );
				submit_button();
			?>
		</form>
	</div>
	<?php
}

/**
 * Sanitize and validate form input.
 *
 * Accepts an array, return a sanitized array.
 *
 * @see twentyeleven_theme_options_init()
 * @todo set up Reset Options action
 *
 * @since Twenty Eleven 1.0
 *
 * @param array $input An array of form input.
 */
function twentyeleven_theme_options_validate( $input ) {
	$defaults = twentyeleven_get_default_theme_options();
	$output   = $defaults;

// Color scheme must be in our array of color scheme options.
	if ( isset( $input['color_scheme'] ) && array_key_exists( $input['color_scheme'], twentyeleven_color_schemes() ) ) {
		$output['color_scheme'] = $input['color_scheme'];
	}

// Our defaults for the link color may have changed, based on the color scheme.
	$defaults['link_color'] = twentyeleven_get_default_link_color( $output['color_scheme'] );
	$output['link_color']   = $defaults['link_color'];

// Link color must be 3 or 6 hexadecimal characters.
	if ( isset( $input['link_color'] ) && preg_match( '/^#?([a-f0-9]{3}){1,2}$/i', $input['link_color'] ) ) {
		$output['link_color'] = '#' . strtolower( ltrim( $input['link_color'], '#' ) );
	}

// Theme layout must be in our array of theme layout options.
	if ( isset( $input['theme_layout'] ) && array_key_exists( $input['theme_layout'], twentyeleven_layouts() ) ) {
		$output['theme_layout'] = $input['theme_layout'];
	}

/**
	 * Filter the Twenty Eleven sanitized form input array.
	 *
	 * @since Twenty Eleven 1.0
	 *
	 * @param array $output   An array of sanitized form output.
	 * @param array $input    An array of un-sanitized form input.
	 * @param array $defaults An array of default theme options.
	 */
	return apply_filters( 'twentyeleven_theme_options_validate', $output, $input, $defaults );
}

/**
 * Enqueue the styles for the current color scheme.
 *
 * @since Twenty Eleven 1.0
 */
function twentyeleven_enqueue_color_scheme() {
	$options      = twentyeleven_get_theme_options();
	$color_scheme = $options['color_scheme'];

if ( 'dark' === $color_scheme ) {
		wp_enqueue_style( 'dark', get_template_directory_uri() . '/colors/dark.css', array(), '20190404' );
	}

/**
	 * Fires after the styles for the Twenty Eleven color scheme are enqueued.
	 *
	 * @since Twenty Eleven 1.0
	 *
	 * @param string $color_scheme The color scheme.
	 */
	do_action( 'twentyeleven_enqueue_color_scheme', $color_scheme );
}
add_action( 'wp_enqueue_scripts', 'twentyeleven_enqueue_color_scheme' );

/**
 * Add a style block to the theme for the current link color.
 *
 * This function is attached to the wp_head action hook.
 *
 * @since Twenty Eleven 1.0
 */
function twentyeleven_print_link_color_style() {
	$options    = twentyeleven_get_theme_options();
	$link_color = $options['link_color'];

$default_options = twentyeleven_get_default_theme_options();

// Don't do anything if the current link color is the default.
	if ( $default_options['link_color'] == $link_color ) {
		return;
	}
	?>
	<style>
		/* Link color */
		a,
		#site-title a:focus,
		#site-title a:hover,
		#site-title a:active,
		.entry-title a:hover,
		.entry-title a:focus,
		.entry-title a:active,
		.widget_twentyeleven_ephemera .comments-link a:hover,
		section.recent-posts .other-recent-posts a[rel="bookmark"]:hover,
		section.recent-posts .other-recent-posts .comments-link a:hover,
		.format-image footer.entry-meta a:hover,
		#site-generator a:hover {
			color: <?php echo $link_color; ?>;
		}
		section.recent-posts .other-recent-posts .comments-link a:hover {
			border-color: <?php echo $link_color; ?>;
		}
		article.feature-image.small .entry-summary p a:hover,
		.entry-header .comments-link a:hover,
		.entry-header .comments-link a:focus,
		.entry-header .comments-link a:active,
		.feature-slider a.active {
			background-color: <?php echo $link_color; ?>;
		}
	</style>
	<?php
}
add_action( 'wp_head', 'twentyeleven_print_link_color_style' );

/**
 * Add Twenty Eleven layout classes to the array of body classes.
 *
 * @since Twenty Eleven 1.0
 *
 * @param array $existing_classes An array of existing body classes.
 */
function twentyeleven_layout_classes( $existing_classes ) {
	$options        = twentyeleven_get_theme_options();
	$current_layout = $options['theme_layout'];

if ( in_array( $current_layout, array( 'content-sidebar', 'sidebar-content' ), true ) ) {
		$classes = array( 'two-column' );
	} else {
		$classes = array( 'one-column' );
	}

if ( 'content-sidebar' === $current_layout ) {
		$classes[] = 'right-sidebar';
	} elseif ( 'sidebar-content' === $current_layout ) {
		$classes[] = 'left-sidebar';
	} else {
		$classes[] = $current_layout;
	}

/**
	 * Filter the Twenty Eleven layout body classes.
	 *
	 * @since Twenty Eleven 1.0
	 *
	 * @param array  $classes        An array of body classes.
	 * @param string $current_layout The current theme layout.
	 */
	$classes = apply_filters( 'twentyeleven_layout_classes', $classes, $current_layout );

return array_merge( $existing_classes, $classes );
}
add_filter( 'body_class', 'twentyeleven_layout_classes' );

/**
 * Implements Twenty Eleven theme options into Customizer
 *
 * @since Twenty Eleven 1.3
 *
 * @param object $wp_customize Customizer object.
 */
function twentyeleven_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';

if ( isset( $wp_customize->selective_refresh ) ) {
		$wp_customize->selective_refresh->add_partial(
			'blogname',
			array(
				'selector'            => '#site-title a',
				'container_inclusive' => false,
				'render_callback'     => 'twentyeleven_customize_partial_blogname',
			)
		);
		$wp_customize->selective_refresh->add_partial(
			'blogdescription',
			array(
				'selector'            => '#site-description',
				'container_inclusive' => false,
				'render_callback'     => 'twentyeleven_customize_partial_blogdescription',
			)
		);
	}

$options  = twentyeleven_get_theme_options();
	$defaults = twentyeleven_get_default_theme_options();

$wp_customize->add_setting(
		'twentyeleven_theme_options[color_scheme]',
		array(
			'default'    => $defaults['color_scheme'],
			'type'       => 'option',
			'capability' => 'edit_theme_options',
		)
	);

$schemes = twentyeleven_color_schemes();
	$choices = array();
	foreach ( $schemes as $scheme ) {
		$choices[ $scheme['value'] ] = $scheme['label'];
	}

$wp_customize->add_control(
		'twentyeleven_color_scheme',
		array(
			'label'    => __( 'Color Scheme', 'twentyeleven' ),
			'section'  => 'colors',
			'settings' => 'twentyeleven_theme_options[color_scheme]',
			'type'     => 'radio',
			'choices'  => $choices,
			'priority' => 5,
		)
	);

// Link Color (added to Color Scheme section in Customizer).
	$wp_customize->add_setting(
		'twentyeleven_theme_options[link_color]',
		array(
			'default'           => twentyeleven_get_default_link_color( $options['color_scheme'] ),
			'type'              => 'option',
			'sanitize_callback' => 'sanitize_hex_color',
			'capability'        => 'edit_theme_options',
		)
	);

$wp_customize->add_control(
		new WP_Customize_Color_Control(
			$wp_customize,
			'link_color',
			array(
				'label'    => __( 'Link Color', 'twentyeleven' ),
				'section'  => 'colors',
				'settings' => 'twentyeleven_theme_options[link_color]',
			)
		)
	);

// Default Layout.
	$wp_customize->add_section(
		'twentyeleven_layout',
		array(
			'title'    => __( 'Layout', 'twentyeleven' ),
			'priority' => 50,
		)
	);

$wp_customize->add_setting(
		'twentyeleven_theme_options[theme_layout]',
		array(
			'type'              => 'option',
			'default'           => $defaults['theme_layout'],
			'sanitize_callback' => 'sanitize_key',
		)
	);

$layouts = twentyeleven_layouts();
	$choices = array();
	foreach ( $layouts as $layout ) {
		$choices[ $layout['value'] ] = $layout['label'];
	}

$wp_customize->add_control(
		'twentyeleven_theme_options[theme_layout]',
		array(
			'section' => 'twentyeleven_layout',
			'type'    => 'radio',
			'choices' => $choices,
		)
	);
}
add_action( 'customize_register', 'twentyeleven_customize_register' );

/**
 * Render the site title for the selective refresh partial.
 *
 * @since Twenty Eleven 2.4
 *
 * @see twentyeleven_customize_register()
 *
 * @return void
 */
function twentyeleven_customize_partial_blogname() {
	bloginfo( 'name' );
}

/**
 * Render the site tagline for the selective refresh partial.
 *
 * @since Twenty Eleven 2.4
 *
 * @see twentyeleven_customize_register()
 *
 * @return void
 */
function twentyeleven_customize_partial_blogdescription() {
	bloginfo( 'description' );
}

/**
 * Bind JS handlers to make Customizer preview reload changes asynchronously.
 *
 * Used with blogname and blogdescription.
 *
 * @since Twenty Eleven 1.3
 */
function twentyeleven_customize_preview_js() {
	wp_enqueue_script( 'twentyeleven-customizer', get_template_directory_uri() . '/inc/theme-customizer.js', array( 'customize-preview' ), '20150401', true );
}
add_action( 'customize_preview_init', 'twentyeleven_customize_preview_js' );

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