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<?php
/**
* All page header functions
*
* @package Wanderfuls WordPress Theme
* @subpackage Framework
*
*/
/**
* Adds correct classes to the page header
*
* @since 2.0.0
*/
function tb_page_header_classes() {
// Define main class
$classes = array( 'page-header' );
// Get header style
$style = tb_global_obj( 'page_header_style' );
// Add classes for title style
if ( $style ) {
$classes[$style .'-page-header'] = $style .'-page-header';
}
// Check if current page title supports mods
if ( ! in_array( $style, array( 'background-image', 'solid-color' ) ) ) {
$classes['tb-supports-mods'] = 'tb-supports-mods';
}
// Apply filters
apply_filters( 'tb_page_header_classes', $classes );
// Turn into comma seperated list
$classes = implode( ' ', $classes );
// Return classes
return $classes;
}
/**
* Get page header background image URL
*
* @since Wanderfuls 1.5.4
*/
function tb_page_header_background_image( $post_id = '' ) {
// Return NULL by default
$image = null;
// Get post background
if ( $post_id ) {
// Get background image
$new_meta = get_post_meta( $post_id, 'tb_post_title_background_redux', true );
// Sanitize data
if ( $new_meta ) {
if ( is_array( $new_meta ) && ! empty( $new_meta['url'] ) ) {
$image = $new_meta['url'];
} else {
$image = $new_meta;
}
} else {
$image = get_post_meta( $post_id, 'tb_post_title_background', true );
}
}
// Apply filters
$image = apply_filters( 'tb_page_header_background_image', $image );
// Generate image URL if using ID
if ( is_numeric( $image ) ) {
$image = wp_get_attachment_image_src( $image, 'full' );
$image = $image[0];
}
// Return URL
return $image;
}
/**
* Outputs Custom CSS for the page title
*
* @since 1.5.3
*/
function tb_page_header_overlay() {
// Define return
$return = '';
// Get global object
$obj = tb_global_obj();
// Only needed for the background-image style so return otherwise
if ( 'background-image' != $obj->page_header_style ) {
return;
}
// Set default overlay for tax archives
if ( is_tax() || is_tag() || is_category() ) {
$overlay = 1;
$opacity = '';
$overlay_style = 'solid';
}
// Get options from post meta
else {
$overlay = get_post_meta( $obj->post_id, 'tb_post_title_background_overlay', true );
$opacity = get_post_meta( $obj->post_id, 'tb_post_title_background_overlay_opacity', true );
$overlay_style = get_post_meta( $obj->post_id, 'tb_post_title_background_overlay', true );
}
// Apply filters
$overlay = apply_filters( 'tb_page_header_overlay_enabled', $overlay );
$overlay_style = apply_filters( 'tb_page_header_overlay_style', $overlay_style );
$opacity = apply_filters( 'tb_page_header_overlay_opacity', $opacity );
// Check that overlay style isn't set to none
if ( $overlay && 'none' != $overlay && $overlay_style ) {
// Add opacity style if opacity is defined
if ( $opacity ) {
$opacity = 'style="opacity:'. $opacity .'"';
}
// Return overlay element
$return = '<span class="background-image-page-header-overlay style-'. $overlay_style .'" '. $opacity .'></span>';
}
// Apply filters for child theming
$return = apply_filters( 'tb_page_header_overlay', $return );
// Return
echo $return;
}
/**
* Outputs Custom CSS for the page title
*
* @since 1.5.3
*/
function tb_page_header_css( $output ) {
// Get global object
$obj = tb_global_obj();
// Return output if page header is disabled
if ( ! isset( $obj->has_page_header ) || ! $obj->has_page_header ) {
return $output;
}
// Return if there isn't a page header style defined
if ( ! $obj->page_header_style ) {
return $output;
}
// Define var
$css = '';
// Check if a header style is defined and make header style dependent tweaks
if ( $obj->page_header_style ) {
// Customize background color
if ( $obj->page_header_style == 'solid-color' || $obj->page_header_style == 'background-image' ) {
$bg_color = get_post_meta( $obj->post_id, 'tb_post_title_background_color', true );
if ( $bg_color ) {
$css .='background-color: '. $bg_color .' !important;';
}
}
// Background image Style
if ( $obj->page_header_style == 'background-image' ) {
// Add background image
$bg_img = tb_page_header_background_image( $obj->post_id );
if ( $bg_img ) {
// Add css for background image
$css .= 'background-image: url('. $bg_img .' ) !important;
background-position: 50% 0;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;';
// Custom height
$title_height = get_post_meta( $obj->post_id, 'tb_post_title_height', true );
$title_height = $title_height ? $title_height : '400';
if ( $title_height ) {
$css .= 'height:'. tb_sanitize_data( $title_height, 'px' ) .' !important;';
}
}
}
}
// Apply all css to the page-header class
if ( ! empty( $css ) ) {
$css = '.page-header { '. $css .' }';
}
// Overlay Color
if ( ! empty( $bg_img ) ) {
$overlay_color = get_post_meta( $obj->post_id, 'tb_post_title_background_overlay', true );
if ( 'bg_color' == $overlay_color && $obj->page_header_style == 'background-image' && isset( $bg_color ) ) {
$css .= '.background-image-page-header-overlay { background-color: '. $bg_color .' !important; }';
}
}
// If css var isn't empty add to custom css output
if ( ! empty( $css ) ) {
$output .= tb_minify_css( $css );
}
// Return output
return $output;
}
add_filter( 'tb_head_css', 'tb_page_header_css' );