/**
* This function determines which image to be used as the slider image based on user
* settings, and returns the <img> tag of the the slider image.
*
* It requires the post's ID to be passed in as argument so that the user settings in
* individual post / page can be retrieved.
*/
function graphene_get_slider_image($post_id = NULL, $size = 'thumbnail', $urlonly = false, $default = '')
{
global $graphene_settings;
// Throw an error message if no post ID supplied
if ($post_id == NULL) {
echo '<strong>ERROR:</strong> Post ID must be passed as an input argument to call the function <code>graphene_get_slider_image()</code>.';
return;
}
// First get the settings
$global_setting = $graphene_settings['slider_img'] ? $graphene_settings['slider_img'] : 'featured_image';
$local_setting = graphene_get_post_meta($post_id, 'slider_img');
$local_setting = $local_setting ? $local_setting : '';
// Determine which image should be displayed
$final_setting = $local_setting == '' ? $global_setting : $local_setting;
// Build the html based on the final setting
$html = '';
if ($final_setting == 'disabled') {
// image disabled
return false;
} elseif ($final_setting == 'featured_image') {
// Featured Image
if (has_post_thumbnail($post_id)) {
if ($urlonly) {
$html = wp_get_attachment_image_src(get_post_thumbnail_id($post_id), $size);
} else {
$html .= get_the_post_thumbnail($post_id, $size);
}
}
} elseif ($final_setting == 'post_image') {
// First image in post
$html = graphene_get_post_image($post_id, $size, '', $urlonly);
} elseif ($final_setting == 'custom_url') {
// Custom URL
if (!$urlonly) {
$html .= '';
if ($local_setting != '') {
$html .= '<img src="' . esc_url(graphene_get_post_meta($post_id, 'slider_imgurl')) . '" alt="" />';
} else {
$html .= '<img src="' . esc_url($graphene_settings['slider_imgurl']) . '" alt="" />';
}
} else {
if ($local_setting != '') {
$html .= esc_url(graphene_get_post_meta($post_id, 'slider_imgurl'));
} else {
$html .= esc_url($graphene_settings['slider_imgurl']);
}
}
}
if (!$html) {
$html = $default;
}
// Returns the html
return $html;
}
/**
* Get the post date display type for each post
*
* @package Graphene
* @since 1.8.3
*/
function graphene_post_date_setting($id)
{
$post_setting = graphene_get_post_meta($id, 'post_date_display');
if ($post_setting) {
return $post_setting;
}
global $graphene_settings;
return $graphene_settings['post_date_display'];
}
/**
* Code exact copied from: wp-includes\post-template.php >> Walker_Page::start_el()
* @since 2.1.0
*/
function start_el(&$output, $page, $depth = 0, $args = array(), $current_page = 0)
{
global $graphene_settings;
if ($depth) {
$indent = str_repeat("\t", $depth);
} else {
$indent = '';
}
extract($args, EXTR_SKIP);
$css_class = array('page_item', 'page-item-' . $page->ID);
if (!empty($current_page)) {
$_current_page = get_post($current_page);
if (in_array($page->ID, $_current_page->ancestors)) {
$css_class[] = 'current_page_ancestor';
}
if ($page->ID == $current_page) {
$css_class[] = 'current_page_item';
} elseif ($_current_page && $page->ID == $_current_page->post_parent) {
$css_class[] = 'current_page_parent';
}
} elseif ($page->ID == get_option('page_for_posts')) {
$css_class[] = 'current_page_parent';
}
$css_class = implode(' ', apply_filters('page_css_class', $css_class, $page, $depth, $args, $current_page));
$title = apply_filters('the_title', $page->post_title, $page->ID);
if (!$depth && !$graphene_settings['disable_menu_desc']) {
$title = '<strong>' . $title . '</strong>';
$nav_desc = graphene_get_post_meta($page->ID, 'nav_description');
$title .= $nav_desc ? '<span class="desc">' . $nav_desc . '</span>' : '';
}
$output .= $indent . '<li class="' . $css_class . '"><a href="' . get_permalink($page->ID) . '">' . $link_before . $title . $link_after . '</a>';
if (!empty($show_date)) {
if ('modified' == $show_date) {
$time = $page->post_modified;
} else {
$time = $page->post_date;
}
$output .= " " . mysql2date($date_format, $time);
}
$output = apply_filters('graphene_page_description_walker_output', $output, $page, $depth, $args, $current_page);
}
