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<?php
/*
Plugin Name: Wufoo Shortcode Plugin
Description: Enables shortcode to embed Wufoo forms. Usage: [wufoo username="chriscoyier" formhash="x7w3w3" autoresize="true" height="458" header="show" ssl="true"]
Author: Chris Coyier / Wufoo, evansolomon
Based on http://wordpress.org/extend/plugins/wufoo-shortcode/
http://wufoo.com/docs/code-manager/wordpress-shortcode-plugin/
*/
function wufoo_shortcode( $atts ) {
$attr = shortcode_atts(
array(
'username' => '',
'formhash' => '',
'autoresize' => true,
'height' => '500',
'header' => 'show',
'ssl' => '',
), $atts
);
// Check username and formhash to ensure they only have alphanumeric characters or underscores, and aren't empty.
if ( ! preg_match( '/^[a-zA-Z0-9_]+$/', $attr['username'] ) || ! preg_match( '/^[a-zA-Z0-9_]+$/', $attr['formhash'] ) ) {
/**
* Return an error to the users with instructions if one of these params is invalid
* They don't have default values because they are user/form-specific
*/
$return_error = sprintf( __( 'Something is wrong with your Wufoo shortcode. If you copy and paste it from the %sWufoo Code Manager%s, you should be golden.', 'jetpack' ), '<a href="http://wufoo.com/docs/code-manager/">', '</a>' );
return '
<div style="border: 20px solid red; border-radius: 40px; padding: 40px; margin: 50px 0 70px;">
<h3>Uh oh!</h3>
<p style="margin: 0;">' . $return_error . '</p>
</div>';
}
/**
* Required parameters are present.
* An error will be returned inside the form if they are invalid.
*/
$js_embed = '<script type="text/javascript">var host = (("https:" == document.location.protocol) ? "https://secure." : "http://");document.write(unescape("%3Cscript src=\'" + host + "wufoo.com/scripts/embed/form.js\' type=\'text/javascript\'%3E%3C/script%3E"));</script>';
$js_embed .= "<script type='text/javascript'>";
$js_embed .= 'var wufoo_' . $attr['formhash'] . ' = new WufooForm();';
$js_embed .= 'wufoo_' . $attr['formhash'] . ' .initialize({';
$js_embed .= "'userName':'" . $attr['username'] . "', ";
$js_embed .= "'formHash':'" . $attr['formhash'] . "', ";
$js_embed .= "'autoResize':" . (bool) ( $attr['autoresize'] ) . ',';
$js_embed .= "'height':'" . (int) $attr['height'] . "',";
$js_embed .= "'header':'" . esc_js( $attr['header'] ) . "' ";
/**
* Only output SSL value if passes as param.
* Lower tier plans don't show this param (don't offer SSL).
*/
$js_embed .= ( $attr['ssl'] ) ? ",'ssl':" . (bool) $attr['ssl'] : '';
$js_embed .= '});';
$js_embed .= 'wufoo_' . $attr['formhash'] . '.display();';
$js_embed .= '</script>';
/**
* iframe embed, loaded inside <noscript> tags.
*/
$iframe_embed = '<iframe ';
$iframe_embed .= 'height="' . (int) $attr['height'] . '" ';
$iframe_embed .= 'allowTransparency="true" frameborder="0" scrolling="no" style="width:100%;border:none;"';
$iframe_embed .= 'src="https://' . $attr['username'] . '.wufoo.com/embed/' . $attr['formhash'] . '/">';
$iframe_embed .= '<a href="https://' . $attr['username'] . '.wufoo.com/forms/' . $attr['formhash'] . '/" ';
$iframe_embed .= 'rel="nofollow">Fill out my Wufoo form!</a></iframe>';
/** This action is already documented in modules/widgets/gravatar-profile.php */
do_action( 'jetpack_stats_extra', 'embeds', 'wufoo' );
/**
* Return embed in JS and iframe.
*/
return "$js_embed <noscript> $iframe_embed </noscript>";
}
add_shortcode( 'wufoo', 'wufoo_shortcode' );
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