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<?php
/**
* slideshow and slideguest shortcodes for slide.com
* [slideshow id=2233785415202545677&w=426&h=320]
*/
function jetpack_slide_embed_to_short_code( $content ) {
global $content_width;
if ( false === strpos( $content, 'slide.com/widgets' ) )
return $content;
$regexp = '!<div><embed((?:\s+\w+="[^"]*")*)\s+src="http://widget[^"]+slide\.com/widgets/slideticker\.swf"((?:\s+\w+="[^"]*")*)\s*(?:/?>|>\s*</embed>)\s*<div(?:\s+[^>]+).*?slide\.com/p1/.*?slide\.com/p2.*?</div>\s*</div>!i';
$regexp_ent = htmlspecialchars( $regexp, ENT_NOQUOTES );
foreach ( array( 'regexp', 'regexp_ent' ) as $reg ) {
if ( !preg_match_all( $$reg, $content, $matches, PREG_SET_ORDER ) )
continue;
foreach ( $matches as $match ) {
$params = $match[1] . $match[2];
if ( 'regexp_ent' == $reg )
$params = html_entity_decode( $params );
$params = wp_kses_hair( $params, array( 'http' ) );
if ( !isset( $params['type'] ) || 'application/x-shockwave-flash' != $params['type']['value'] || !isset( $params['flashvars'] ) )
continue;
wp_parse_str( html_entity_decode( $params['flashvars']['value'] ), $flashvars );
if ( empty( $flashvars['channel'] ) )
continue;
$id = $flashvars['channel'];
$width = 400;
if ( ! empty( $params['width']['value'] ) )
$width = (int) $params['width']['value'];
elseif ( ! empty( $params['style']['value'] ) && preg_match( '/width\s*:\s*(\d+)/i', $params['style']['value'], $width_match ) )
$width = (int) $width_match[1];
$height = 300;
if ( ! empty( $params['height']['value'] ) )
$height = (int) $params['height']['value'];
elseif ( ! empty( $params['style']['value'] ) && preg_match( '/height\s*:\s*(\d+)/i', $params['style']['value'], $height_match ) )
$height = (int) $height_match[1];
if ( $content_width && $width > $content_width ) {
$height = intval( $height * $content_width / $width );
$width = $content_width;
}
$content = str_replace( $match[0], "[slideshow id={$id}&w={$width}&h={$height}]", $content );
do_action( 'jetpack_embed_to_shortcode', 'slideshow', $id );
}
}
return $content;
}
add_filter( 'pre_kses', 'jetpack_slide_embed_to_short_code' );
function jetpack_slideshow_shortcode( $atts, $content, $shortcode ) {
if (
'slideshow' == $shortcode
&&
( empty( $atts['id'] ) || false === strpos( $atts['id'], '&' ) )
&&
( $previous_slideshow_shortcode = jetpack_slide_shortcodes( true ) )
&&
is_callable( $previous_slideshow_shortcode )
) {
return call_user_func( $previous_slideshow_shortcode, $atts, $content, $shortcode );
}
return jetpack_slide_embed( $shortcode, $atts );
}
function jetpack_slide_embed( $type, $atts ) {
$param = shortcode_new_to_old_params( $atts );
if ( ctype_digit( $param ) ) {
$id = $param;
$w = 426;
$h = 320;
} else {
parse_str( $param, $params );
if ( count( $params ) != 3 || !isset( $params['id'] ) || !isset( $params['w'] ) || !isset( $params['h'] ) )
return '<!-- Slide.com error: provide id, w, h -->';
extract( $params );
if ( !ctype_digit( $id ) || !ctype_digit( $w ) || !ctype_digit( $h ) )
return '<!-- Slide.com error: provide integers -->';
}
$partition = sprintf( '%02x', $id % 256 );
if ( 'slideshow' == $type )
return "<div><embed src='http://widget-$partition.slide.com/widgets/slideticker.swf' type='application/x-shockwave-flash' quality='high' scale='noscale' salign='l' wmode='transparent' flashvars='site=widget-$partition.slide.com&channel=$id&cy=wp&il=1' width='$w' height='$h' name='flashticker' align='middle' /><div style='width: {$w}px;text-align:left;'><a href='http://www.slide.com/pivot?ad=0&tt=0&sk=0&cy=wp&th=0&id=$id&map=1' target='_blank'><img src='http://widget-$partition.slide.com/p1/$id/wp_t000_v000_a000_f00/images/xslide1.gif' border='0' ismap='ismap' /></a> <a href='http://www.slide.com/pivot?ad=0&tt=0&sk=0&cy=wp&th=0&id=$id&map=2' target='_blank'><img src='http://widget-$partition.slide.com/p2/$id/wp_t000_v000_a000_f00/images/xslide2.gif' border='0' ismap='ismap' /></a></div></div>";
else
return "<div><embed src='http://widget-$partition.slide.com/widgets/slidemap.swf' type='application/x-shockwave-flash' quality='high' scale='noscale' salign='l' wmode='transparent' flashvars='site=widget-$partition.slide.com&channel=$id&cy=wp&il=1' width='$w' height='$h' name='flashticker' align='middle' /><div style='width:{$w}px;text-align:left;'><a href='http://www.slide.com/pivot?ad=0&tt=0&sk=0&cy=wp&th=0&id=$id&map=5' target='_blank'><img src='http://widget-$partition.slide.com/c1/$id/wp_t000_v000_a000_f00/images/xslide1.gif' border='0' ismap='ismap' /></a> <a href='http://www.slide.com/pivot?ad=0&tt=0&sk=0&cy=wp&th=0&id=$id&map=6' target='_blank'><img src='http://widget-$partition.slide.com/c2/$id/wp_t000_v000_a000_f00/images/xslide6.gif' border='0' ismap='ismap' /></a></div></div>";
}
function jetpack_slide_shortcodes( $get_previous = false ) {
global $shortcode_tags;
static $previous = false;
if ( $get_previous ) {
return $previous;
}
if ( isset( $shortcode_tags['slideshow'] ) ) {
$previous = $shortcode_tags['slideshow'];
}
add_shortcode( 'slideguest', 'jetpack_slideshow_shortcode' );
add_shortcode( 'slideshow', 'jetpack_slideshow_shortcode' );
}
jetpack_slide_shortcodes();
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