/**
* Set the background color for a single post.
*
* @since 1.0.
*
*/
function oxford_custom_colors()
{
if (!is_single()) {
return;
}
printf("\n<!-- Oxford %s -->\n<style type=\"text/css\">\n", __('custom colors', 'oxford'));
if (is_single()) {
$post_background_color = oxford_get_post_meta('settings', get_the_ID(), 'post-background-color');
if (false !== $post_background_color) {
if ($post_background_color = oxford_maybe_hash_hex_color($post_background_color)) {
printf('body {
background: -moz-linear-gradient(left, #ffffff, #ffffff 900px, %1$s 900px, %1$s);
background: -webkit-linear-gradient(left, #ffffff, #ffffff 900px, %1$s 900px, %1$s);
background: -o-linear-gradient(left, #ffffff, #ffffff 900px, %1$s 900px, %1$s);
background: -ms-linear-gradient(left, #ffffff, #ffffff 900px, %1$s 900px, %1$s);
background: linear-gradient(left, #ffffff, #ffffff 900px, %1$s 900px, %1$s);
}
#content-wrapper {
background-color: %1$s;
};', $post_background_color);
}
}
}
echo "</style>\n\n";
}
/**
* Sanitize, validate, and save the meta for post background.
*
* @since 1.0.
*
* @param int $post_id The id of the post currently being edited.
*/
function oxford_post_meta_save($post_id)
{
// Checks save status
$is_autosave = wp_is_post_autosave($post_id);
$is_revision = wp_is_post_revision($post_id);
$is_valid_nonce = isset($_POST['oxford_nonce']) && wp_verify_nonce($_POST['oxford_nonce'], basename(__FILE__)) ? 'true' : 'false';
// Exits script depending on save status
if ($is_autosave || $is_revision || !$is_valid_nonce) {
return;
}
// Sanitize/save Background Color if necessary
if (isset($_POST['post-background-color']) && ($sanitized_hex = oxford_maybe_hash_hex_color($_POST['post-background-color']))) {
if ('#ffffff' === $sanitized_hex) {
oxford_update_post_meta('settings', $post_id, 'post-background-color', null);
} else {
if ($sanitized_hex !== oxford_get_post_meta('settings', $post_id, 'post-background-color')) {
oxford_update_post_meta('settings', $post_id, 'post-background-color', $sanitized_hex);
}
}
}
// Sanitize/save Single Column if necessary
$single_column = oxford_get_post_meta('settings', $post_id, 'post-single-column');
if (isset($_POST['post-single-column']) && !$single_column) {
oxford_update_post_meta('settings', $post_id, 'post-single-column', true);
} else {
if (!isset($_POST['post-single-column']) && $single_column) {
oxford_update_post_meta('settings', $post_id, 'post-single-column', null);
}
}
// If there are no settings, remove the meta entry
$post_meta_settings = get_post_meta($post_id, '_oxford-post-settings', true);
if (empty($post_meta_settings)) {
delete_post_meta($post_id, '_oxford-post-settings');
}
}
