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<?php |
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/* |
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Plugin Name: Wufoo Shortcode Plugin |
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Description: Enables shortcode to embed Wufoo forms. Usage: [wufoo username="chriscoyier" formhash="x7w3w3" autoresize="true" height="458" header="show"] |
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Author: Chris Coyier / Wufoo, evansolomon |
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|
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Based on https://wordpress.org/extend/plugins/wufoo-shortcode/ |
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https://wufoo.com/docs/code-manager/wordpress-shortcode-plugin/ |
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*/ |
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|
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|
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function wufoo_shortcode( $atts ) { |
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$attr = shortcode_atts( |
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array( |
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'username' => '', |
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'formhash' => '', |
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'autoresize' => true, |
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'height' => '500', |
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'header' => 'show', |
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), |
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$atts |
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); |
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|
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// Check username and formhash to ensure they only have alphanumeric characters or underscores, and aren't empty. |
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if ( ! preg_match( '/^[a-zA-Z0-9_]+$/', $attr['username'] ) || ! preg_match( '/^[a-zA-Z0-9_]+$/', $attr['formhash'] ) ) { |
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|
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/** |
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* Return an error to the users with instructions if one of these params is invalid |
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* They don't have default values because they are user/form-specific |
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*/ |
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$return_error = sprintf( __( 'Something is wrong with your Wufoo shortcode. If you copy and paste it from the %1$sWufoo Code Manager%2$s, you should be golden.', 'jetpack' ), '<a href="https://wufoo.com/docs/code-manager/" target="_blank">', '</a>' ); |
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|
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return ' |
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<div style="border: 20px solid red; border-radius: 40px; padding: 40px; margin: 50px 0 70px;"> |
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<h3>Uh oh!</h3> |
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<p style="margin: 0;">' . $return_error . '</p> |
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</div>'; |
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} |
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|
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/** |
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* Placeholder which will tell Wufoo where to render the form. |
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*/ |
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$js_embed_placeholder = '<div id="wufoo-' . $attr['formhash'] . '"></div>'; |
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|
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/** |
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* Required parameters are present. |
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* An error will be returned inside the form if they are invalid. |
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*/ |
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$js_embed = '(function(){try{var wufoo_' . $attr['formhash'] . ' = new WufooForm();'; |
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$js_embed .= 'wufoo_' . $attr['formhash'] . '.initialize({'; |
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$js_embed .= "'userName':'" . $attr['username'] . "', "; |
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$js_embed .= "'formHash':'" . $attr['formhash'] . "', "; |
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$js_embed .= "'autoResize':" . (bool) ( $attr['autoresize'] ) . ','; |
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$js_embed .= "'height':'" . (int) $attr['height'] . "',"; |
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$js_embed .= "'header':'" . esc_js( $attr['header'] ) . "',"; |
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$js_embed .= "'ssl':true,'async':true});"; |
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$js_embed .= 'wufoo_' . $attr['formhash'] . '.display();'; |
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$js_embed .= '}catch(e){}})();'; |
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|
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/** |
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* iframe embed, loaded inside <noscript> tags. |
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*/ |
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$iframe_embed = '<iframe '; |
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$iframe_embed .= 'height="' . (int) $attr['height'] . '" '; |
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$iframe_embed .= 'allowTransparency="true" frameborder="0" scrolling="no" style="width:100%;border:none;"'; |
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$iframe_embed .= 'src="https://' . $attr['username'] . '.wufoo.com/embed/' . $attr['formhash'] . '/">'; |
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$iframe_embed .= '<a href="https://' . $attr['username'] . '.wufoo.com/forms/' . $attr['formhash'] . '/" '; |
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$iframe_embed .= 'rel="nofollow" target="_blank">' . __( 'Fill out my Wufoo form!', 'jetpack' ) . '</a></iframe>'; |
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|
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wp_enqueue_script( |
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'wufoo-form', |
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'https://www.wufoo.com/scripts/embed/form.js', |
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array(), |
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false, |
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true |
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); |
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|
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wp_add_inline_script( 'wufoo-form', $js_embed ); |
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|
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/** This action is already documented in modules/widgets/gravatar-profile.php */ |
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do_action( 'jetpack_stats_extra', 'embeds', 'wufoo' ); |
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|
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/** |
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* Return embed in JS and iframe. |
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*/ |
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return "$js_embed_placeholder<noscript>$iframe_embed</noscript>"; |
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} |
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|
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add_shortcode( 'wufoo', 'wufoo_shortcode' ); |
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|
