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Twenty Twelve: load our special Google Font in the visual editor to improve user experience. Props to the Konstanthemes: kovshenin and obenland.

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Closes #22499. See also r23672.

git-svn-id: http://core.svn.wordpress.org/trunk@23713 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Lance Willett 2013-03-15 17:09:12 +00:00
parent 63dfa74c9f
commit 8415217e90
1 changed files with 68 additions and 36 deletions
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104
wp-content/themes/twentytwelve/functions.php
View File

@ -82,6 +82,46 @@ add_action( 'after_setup_theme', 'twentytwelve_setup' );
*/
require( get_template_directory() . '/inc/custom-header.php' );
/**
* Returns the Google font stylesheet URL if available.
*
* The use of Open Sans by default is localized. For languages that use
* characters not supported by the font, the font can be disabled.
*
* @since Twenty Twelve 1.2
*
* @return string Font stylesheet or empty string if disabled.
*/
function twentytwelve_get_font_url() {
$font_url = '';
/* translators: If there are characters in your language that are not supported
by Open Sans, translate this to 'off'. Do not translate into your own language. */
if ( 'off' !== _x( 'on', 'Open Sans font: on or off', 'twentytwelve' ) ) {
$subsets = 'latin,latin-ext';
/* translators: To add an additional Open Sans character subset specific to your language, translate
this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language. */
$subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)', 'twentytwelve' );
if ( 'cyrillic' == $subset )
$subsets .= ',cyrillic,cyrillic-ext';
elseif ( 'greek' == $subset )
$subsets .= ',greek,greek-ext';
elseif ( 'vietnamese' == $subset )
$subsets .= ',vietnamese';
$protocol = is_ssl() ? 'https' : 'http';
$query_args = array(
'family' => 'Open+Sans:400italic,700italic,400,700',
'subset' => $subsets,
);
$font_url = add_query_arg( $query_args, "$protocol://fonts.googleapis.com/css" );
}
return $font_url;
}
/**
* Enqueues scripts and styles for front-end.
*
@ -102,42 +142,9 @@ function twentytwelve_scripts_styles() {
*/
wp_enqueue_script( 'twentytwelve-navigation', get_template_directory_uri() . '/js/navigation.js', array(), '1.0', true );
/*
* Loads our special font CSS file.
*
* The use of Open Sans by default is localized. For languages that use
* characters not supported by the font, the font can be disabled.
*
* To disable in a child theme, use wp_dequeue_style()
* function mytheme_dequeue_fonts() {
* wp_dequeue_style( 'twentytwelve-fonts' );
* }
* add_action( 'wp_enqueue_scripts', 'mytheme_dequeue_fonts', 11 );
*/
/* translators: If there are characters in your language that are not supported
by Open Sans, translate this to 'off'. Do not translate into your own language. */
if ( 'off' !== _x( 'on', 'Open Sans font: on or off', 'twentytwelve' ) ) {
$subsets = 'latin,latin-ext';
/* translators: To add an additional Open Sans character subset specific to your language, translate
this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language. */
$subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)', 'twentytwelve' );
if ( 'cyrillic' == $subset )
$subsets .= ',cyrillic,cyrillic-ext';
elseif ( 'greek' == $subset )
$subsets .= ',greek,greek-ext';
elseif ( 'vietnamese' == $subset )
$subsets .= ',vietnamese';
$protocol = is_ssl() ? 'https' : 'http';
$query_args = array(
'family' => 'Open+Sans:400italic,700italic,400,700',
'subset' => $subsets,
);
wp_enqueue_style( 'twentytwelve-fonts', add_query_arg( $query_args, "$protocol://fonts.googleapis.com/css" ), array(), null );
}
$font_url = twentytwelve_get_font_url();
if ( ! empty( $font_url ) )
wp_enqueue_style( 'twentytwelve-fonts', esc_url_raw( $font_url ), array(), null );
/*
* Loads our main stylesheet.
@ -152,6 +159,31 @@ function twentytwelve_scripts_styles() {
}
add_action( 'wp_enqueue_scripts', 'twentytwelve_scripts_styles' );
/**
* Adds additional stylesheets to the TinyMCE editor if needed.
*
* @uses twentytwelve_get_font_url() To get the Google Font stylesheet URL.
*
* @since Twenty Twelve 1.2
*
* @param string $mce_css CSS path to load in TinyMCE.
* @return string
*/
function twentytwelve_mce_css( $mce_css ) {
$font_url = twentytwelve_get_font_url();
if ( empty( $font_url ) )
return $mce_css;
if ( ! empty( $mce_css ) )
$mce_css .= ',';
$mce_css .= esc_url_raw( str_replace( ',', '%2C', $font_url ) );
return $mce_css;
}
add_filter( 'mce_css', 'twentytwelve_mce_css' );
/**
* Creates a nicely formatted and more specific title element text
* for output in head of document, based on current view.