WordPress/wp-content/themes/twentyfourteen/inc/customizer.php

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<?php
/**
* Twenty Fourteen Theme Customizer
*
* @package WordPress
* @subpackage Twenty_Fourteen
*/
/**
* Add postMessage support for site title and description for the Theme Customizer.
*
* @param WP_Customize_Manager $wp_customize Theme Customizer object.
*/
function twentyfourteen_customize_register( $wp_customize ) {
$wp_customize->get_setting( 'blogname' )->transport = 'postMessage';
$wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage';
$wp_customize->add_setting( 'accent_color', array(
'default' => '#24890d',
'sanitize_callback' => 'twentyfourteen_generate_accent_colors',
) );
$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'accent_color', array(
'label' => __( 'Accent Color', 'twentyfourteen' ),
'section' => 'colors',
'settings' => 'accent_color',
) ) );
}
add_action( 'customize_register', 'twentyfourteen_customize_register' );
/**
* Binds JS handlers to make Theme Customizer preview reload changes asynchronously.
*/
function twentyfourteen_customize_preview_js() {
wp_enqueue_script( 'twentyfourteen_customizer', get_template_directory_uri() . '/js/customizer.js', array( 'customize-preview' ), '20120827', true );
}
add_action( 'customize_preview_init', 'twentyfourteen_customize_preview_js' );
/**
* Generates two variants of the accent color, returns the original, and saves the others as theme mods.
*
* @param string $color The original color.
* @return string $color The original color, sanitized.
*/
function twentyfourteen_generate_accent_colors( $color ) {
$color = sanitize_hex_color( $color );
set_theme_mod( 'accent_lighter', twentyfourteen_adjust_color( $color, 14 ) );
set_theme_mod( 'accent_much_lighter', twentyfourteen_adjust_color( $color, 71 ) );
return $color;
}
/**
* Tweaks the brightness of a color by adjusting the RGB values by the given interval.
*
* Use positive values of $steps to brighten the color and negative values to darken the color.
* All three RGB values are modified by the specified steps, within the range of 0-255. The hue
* is generally maintained unless the number of steps causes one value to be capped at 0 or 255.
*
* @param string $color The original color, in 3- or 6-digit hexadecimal form.
* @param int $steps The number of steps to adjust the color by, in rgb units.
* @return string $color The new color, in 6-digit hexadecimal form.
*/
function twentyfourteen_adjust_color( $color, $steps ) {
// Convert shorthand to full hex.
if ( strlen( $color ) == 3 ) {
$color = str_repeat( substr( $color, 1, 1 ), 2 ) . str_repeat( substr( $color, 2, 1 ), 2 ) . str_repeat( substr( $color, 3, 1), 2 );
}
// Convert hex to rgb.
$rgb = array( hexdec( substr( $color, 1, 2 ) ), hexdec( substr( $color, 3, 2 ) ), hexdec( substr( $color, 5, 2 ) ) );
// Adjust color and switch back to hex.
$hex = '#';
foreach ( $rgb as $c ) {
$c += $steps;
if ( $c > 255 )
$c = 255;
elseif ( $c < 0 )
$c = 0;
$hex .= str_pad( dechex( $c ), 2, '0', STR_PAD_LEFT);
}
return $hex;
}
/**
* Outputs the css for the Theme Customizer options.
*/
function twentyfourteen_customizer_styles() {
$accent_color = get_theme_mod( 'accent_color' );
// Don't do anything if the current color is the default.
if ( '#24890d' === $accent_color )
return;
$accent_lighter = get_theme_mod( 'accent_lighter' );
$accent_much_lighter = get_theme_mod( 'accent_much_lighter' );
$css = '<style type="text/css" id="twentyfourteen-accent-color">
/* Custom accent color. */
h1 a:hover,
h2 a:hover,
h3 a:hover,
h4 a:hover,
h5 a:hover,
h6 a:hover,
a,
.primary-navigation ul ul a:hover,
.entry-title a:hover,
.cat-links a:hover,
.site-content .post-navigation a:hover,
.site-content .image-navigation a:hover,
.comment-author a:hover,
.comment-metadata a:hover,
.comment-list .trackback a:hover,
.comment-list .pingback a:hover,
.content-sidebar a:hover,
.paging-navigation .page-numbers.current {
color: ' . $accent_color . ';
}
button:hover,
html input[type="button"]:hover,
input[type="reset"]:hover,
input[type="submit"]:hover,
button:focus,
html input[type="button"]:focus,
input[type="reset"]:focus,
input[type="submit"]:focus,
.header-extra,
.search-toggle,
.widget-area button,
.widget-area html input[type="button"],
.widget-area input[type="reset"],
.widget-area input[type="submit"],
.widget_calendar a,
.content-sidebar button:hover,
.content-sidebar html input[type="button"]:hover,
.content-sidebar input[type="reset"]:hover,
.content-sidebar input[type="submit"]:hover,
.content-sidebar button:focus,
.content-sidebar html input[type="button"]:focus,
.content-sidebar input[type="reset"]:focus,
.content-sidebar input[type="submit"]:focus,
.page-links a:hover {
background-color: ' . $accent_color . ';
}
::-moz-selection {
background: ' . $accent_color . ';
}
::selection {
background: ' . $accent_color . ';
}
.page-links a:hover,
.paging-navigation .page-numbers.current {
border-color: ' . $accent_color . ';
}
/* Generated variant of custom accent color: slightly lighter. */
.search-toggle:hover,
.search-toggle.active,
.search-box,
.widget-area button:hover,
.widget-area html input[type="button"]:hover,
.widget-area input[type="reset"]:hover,
.widget-area input[type="submit"]:hover,
.widget-area button:focus,
.widget-area html input[type="button"]:focus,
.widget-area input[type="reset"]:focus,
.widget-area input[type="submit"]:focus,
.widget-area button:active,
.widget-area html input[type="button"]:active,
.widget-area input[type="reset"]:active,
.widget-area input[type="submit"]:active,
.widget_calendar a:hover {
background-color: ' . $accent_lighter . ';
}
/* Generated variant of custom accent color: much lighter. */
button:active,
html input[type="button"]:active,
input[type="reset"]:active,
input[type="submit"]:active,
.content-sidebar button:active,
.content-sidebar html input[type="button"]:active,
.content-sidebar input[type="reset"]:active,
.content-sidebar input[type="submit"]:active {
background-color: ' . $accent_much_lighter . ';
}
a:hover,
a:focus,
a:active,
.primary-navigation li.current_page_item > a,
.primary-navigation li.current-menu-item > a,
.secondary-navigation a:hover,
#secondary .current_page_item > a,
#secondary .current-menu-item > a,
#featured-content .entry-meta a:hover,
#featured-content .entry-title a:hover,
#featured-content .more-link,
.widget-area a:hover {
color: ' . $accent_much_lighter . ';
}
</style>';
wp_add_inline_style( 'twentyfourteen-style', $css );
}
add_action( 'wp_enqueue_scripts', 'twentyfourteen_customizer_styles' );