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<?php
// Private filters, can change at any time
add_filter('ls_slider_title', 'ls_filter_slider_title', 10, 2);
add_filter('ls_preview_for_slider', 'ls_preview_for_slider', 10, 1);
add_filter('ls_get_thumbnail', 'ls_get_thumbnail', 10, 3);
add_filter('ls_get_image', 'ls_get_image', 10, 2);
// Public filters
add_filter('ls_parse_defaults', 'ls_parse_defaults', 10, 2);
function ls_filter_slider_title($sliderName = '', $maxLength = 50) {
$name = empty($sliderName) ? 'Unnamed' : htmlspecialchars(stripslashes($sliderName));
$return = isset($name[$maxLength]) ? substr($name, 0, $maxLength) . ' ...' : $name;
return $return;
}
function ls_preview_for_slider( $slider = array() ) {
// Attempt to find pre-defined slider banner by upload ID
if( ! empty($slider['data']['meta']) && ! empty($slider['data']['meta']['previewId']) ) {
if( $src = wp_get_attachment_image_src( $slider['data']['meta']['previewId'], 'large' ) ) {
return $src[0];
}
}
// Fallback to preview URL
if( ! empty($slider['data']['meta']) && ! empty($slider['data']['meta']['preview']) ) {
return $slider['data']['meta']['preview'];
}
// Find an image
if( isset($slider['data']['layers']) ) {
foreach( $slider['data']['layers'] as $layer) {
if( ! empty( $layer['properties']['thumbnail'] ) ) {
$image = $layer['properties']['thumbnail'];
if( ! empty( $layer['properties']['thumbnailId'] ) ) {
$src = wp_get_attachment_image_src( $layer['properties']['thumbnailId'], 'large');
if( ! empty( $src[0] ) ) {
$image = $src[0];
}
}
break;
}
if( !empty($layer['properties']['background']) && $layer['properties']['background'] !== '[image-url]' ) {
$image = $layer['properties']['background'];
if( ! empty($layer['properties']['backgroundId'] ) ) {
$src = wp_get_attachment_image_src( $layer['properties']['backgroundId'], 'large');
if( ! empty( $src[0] ) ) {
$image = $src[0];
}
}
break;
}
}
}
return ! empty( $image ) ? $image : '';
}
function ls_get_thumbnail($id = null, $url = null, $blankPlaceholder = false) {
// Image ID
if(!empty($id)) {
if( $image = wp_get_attachment_image_src( $id, 'medium' ) ) {
return $image[0];
}
}
if(!empty($url)) {
$thumb = substr_replace($url, '-150x150.', strrpos($url,'.'), 1);
$file = LS_ROOT_PATH.'/sampleslider/'.basename($thumb);
if(file_exists($file)) { return $thumb; } else { return $url; }
}
return LS_ROOT_URL.'/static/admin/img/blank.gif';
}
function ls_get_image($id = null, $url = null) {
if( ! empty( $id )) {
if($image = wp_get_attachment_url($id, 'thumbnail')) {
return $image;
}
} elseif( ! empty( $url ) ) {
return $url;
}
return LS_ROOT_URL.'/static/admin/img/blank.gif';
}
function ls_parse_defaults($defaults = array(), $raw = array()) {
$activated = LS_Config::isActivatedSite();
$capability = get_option('layerslider_custom_capability', 'manage_options');
$permission = current_user_can( $capability );
$ret = array();
foreach($defaults as $key => $default) {
$phpKey = is_string($default['keys']) ? $default['keys'] : $default['keys'][0];
$jsKey = is_string($default['keys']) ? $default['keys'] : $default['keys'][1];
$retKey = isset($default['props']['meta']) ? 'props' : 'attrs';
// Check premium features
$isPremium = false;
if( ! empty( $default['premium'] ) && ! $activated ) {
//if( ! $permission ) {
if( ! empty( $raw['styles'][$phpKey] ) ) {
unset( $ret['props']['styles'][$jsKey] );
}
continue;
//}
$isPremium = true;
}
if( isset($default['props']['forceoutput']) ) {
if( ! isset($raw[$phpKey]) ) {
$ret[$retKey][$jsKey] = $default['value'];
} else {
$ret[$retKey][$jsKey] = $raw[$phpKey];
}
} elseif(isset($raw[$phpKey]) && isset($default['props']['output']) ) {
$ret[$retKey][$jsKey] = $raw[$phpKey];
} elseif(isset($raw[$phpKey]) && is_array($raw[$phpKey])) {
$ret[$retKey][$jsKey] = $raw[$phpKey];
} elseif(isset($raw[$phpKey]) && is_bool($default['value'])) {
if( $default['value'] == true && ( empty( $raw[$phpKey] ) || $raw[$phpKey] === 'disabled' ) ) {
$ret[$retKey][$jsKey] = false;
} elseif( $default['value'] == false && ( ! empty( $raw[$phpKey] ) || $raw[$phpKey] === 'enabled') ) {
$ret[$retKey][$jsKey] = true;
}
} elseif(isset($raw[$phpKey])) {
if(
isset($default['props']['meta']) ||
(
(string)$default['value'] !== (string)$raw[$phpKey] &&
(string)$raw[$phpKey] !== '')
)
{
$raw[$phpKey] = isset($default['props']['raw']) ? addslashes($raw[$phpKey]) : $raw[$phpKey];
$ret[$retKey][$jsKey] = stripslashes($raw[$phpKey]);
}
}
$premiumStyle = false;
if( $isPremium && ! empty( $raw['styles'][$phpKey] ) ) {
if( (string)$default['value'] !== (string)$raw['styles'][$jsKey] ) {
// v6.6.4: Fix blend-mode due to change in default value
if( $phpKey === 'mix-blend-mode' && $raw['styles'][$phpKey] === 'normal' ) {
// Do nothing, the 'normal' blend-mode value should not be
// counted as
} else {
$premiumStyle = true;
}
}
}
if( ! $activated && $isPremium && ( isset($ret[$retKey][$jsKey]) || ! empty( $premiumStyle ) ) ) {
$feature = ! empty( $default['name'] ) ? $default['name'] : $jsKey;
$GLOBALS['lsPremiumNotice'][ sanitize_title($feature) ] = $feature;
}
}
return $ret;
}
function ls_array_to_attr($arr, $mode = '') {
if(!empty($arr) && is_array($arr)) {
$ret = array();
foreach($arr as $key => $val) {
if($mode == 'css' && is_numeric($val) ) {
$ret[] = ''.$key.':'.layerslider_check_unit($val, $key).';';
} elseif(is_bool($val)) {
$bool = $val ? 'true' : 'false';
$ret[] = "$key:$bool;";
} else {
$ret[] = "$key:$val;";
}
}
if( has_filter('layerslider_attr_list') ) {
return apply_filters( 'layerslider_attr_list', $ret );
}
return implode('', $ret);
}
}
function layerslider_loaded() {
if(has_action('layerslider_ready')) {
do_action('layerslider_ready');
}
}
?>
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