/**
     * Add PayPal delay setting for Gravity Forms < 2.0.
     * 
     * @deprecated 1.8.2
     * @todo Remove once $min_gravityforms_version reaches 2.0.
     */
    public static function add_paypal_settings($feed, $form)
    {
        //this function was copied from the feed framework since this add-on has not yet been migrated
        $form_id = rgar($form, 'id');
        $feed_meta = $feed['meta'];
        $addon_name = 'gravityformszapier';
        $addon_feeds = array();
        $feeds = GFZapierData::get_feeds($form_id);
        if (count($feeds) > 0) {
            $settings_style = '';
        } else {
            $settings_style = 'display:none;';
        }
        foreach ($feeds as $feed) {
            $addon_feeds[] = $feed['form_id'];
        }
        ?>

		<li style="<?php 
        echo $settings_style;
        ?>
" id="delay_<?php 
        echo $addon_name;
        ?>
_container">
			<input type="checkbox" name="paypal_delay_<?php 
        echo $addon_name;
        ?>
" id="paypal_delay_<?php 
        echo $addon_name;
        ?>
" value="1" <?php 
        echo rgar($feed_meta, "delay_{$addon_name}") ? "checked='checked'" : '';
        ?>
 />
			<label class="inline" for="paypal_delay_<?php 
        echo $addon_name;
        ?>
">
				<?php 
        _e('Send feed to Zapier only when payment is received.', 'gravityformszapier');
        ?>
			</label>
		</li>

		<script type="text/javascript">
			jQuery(document).ready(function ($) {

				jQuery(document).bind('paypalFormSelected', function (event, form) {

					var addonFormIds = <?php 
        echo json_encode($addon_feeds);
        ?>
;
					var isApplicableFeed = false;

					if (jQuery.inArray(String(form.id), addonFormIds) != -1)
						isApplicableFeed = true;

					if (isApplicableFeed) {
						jQuery("#delay_<?php 
        echo $addon_name;
        ?>
_container").show();
					} else {
						jQuery("#delay_<?php 
        echo $addon_name;
        ?>
_container").hide();
					}

				});
			});
		</script>

	<?php 
    }