public static function render_settings_page() {
		$form_id = rgget( 'id' );

		self::save();

		$settings = self::form_options( $form_id );

		GFFormSettings::page_header( __( 'Popup Settings', 'popup-maker' ) );

		?>

        <div id="popup_settings-editor">

            <form id="popup_settings_edit_form" method="post">

                <table class="form-table gforms_form_settings">
	                <tr>
		                <th scope="row">
			                <label for="gforms-pum-closepopup"><?php _e( 'Close Popup', 'popup-maker' ); ?></label>
		                </th>
		                <td>
			                <input type="checkbox" id="gforms-pum-closepopup" name="gforms-pum[closepopup]" value="true" <?php checked( $settings['closepopup'], true ); ?> />
		                </td>
	                </tr>
	                <tr id="gforms-pum-closedelay-wrapper">
		                <th scope="row">
			                <label for="gforms-pum-closedelay"><?php _e( 'Delay', 'popup-maker' ); ?></label>
		                </th>
		                <td>
			                <?php if ( strlen( $settings['closedelay'] ) >= 3 ) {
				                $settings['closedelay'] = $settings['closedelay'] / 1000;
			                } ?>

			                <input type="number" id="gforms-pum-closedelay" min="0" step="1" name="gforms-pum[closedelay]" style="width: 100px;" value="<?php echo esc_attr( $settings['closedelay'] ); ?>" /><?php _e( 'seconds', 'popup-maker' ); ?>
		                </td>
	                </tr>
                    <tr>
                        <th scope="row">
                            <label for="gforms-pum-openpopup"><?php _e( 'Open Popup', 'popup-maker' ); ?></label>
                        </th>
                        <td>
                            <input type="checkbox" id="gforms-pum-openpopup" name="gforms-pum[openpopup]" value="true" <?php checked( $settings['openpopup'], true ); ?> />
                        </td>
                    </tr>
                    <tr id="gforms-pum-openpopup_id-wrapper">
                        <th scope="row">
                            <label for="gforms-pum-openpopup_id"><?php _e( 'Popup', 'popup-maker' ); ?></label>
                        </th>
                        <td>
                            <select id="gforms-pum-openpopup_id" name="gforms-pum[openpopup_id]">
								<?php foreach ( self::get_popup_list() as $option ) { ?>
                                    <option value="<?php echo esc_attr( $option['value'] ); ?>" <?php selected( $settings['openpopup_id'], $option['value'] ); ?>><?php echo $option['label']; ?></option>
								<?php } ?>
                            </select>
                        </td>
                    </tr>
                </table>

                <input type="hidden" id="form_id" name="form_id" value="<?php echo esc_attr( $form_id ); ?>" />

                <p class="submit">
                    <input type="submit" name="save" value="<?php _e( 'Save', 'popup-maker' ); ?>" class="button-primary">
                </p>

				<?php wp_nonce_field( 'gform_popup_settings_edit', 'gform_popup_settings_edit' ); ?>

            </form>
            <script type="text/javascript">
                (function ($) {
                    var $open = $('#gforms-pum-openpopup'),
                        $close = $('#gforms-pum-closepopup'),
                        $popup_id_wrapper = $('#gforms-pum-openpopup_id-wrapper'),
                        $delay_wrapper = $('#gforms-pum-closedelay-wrapper');

                    function check_open() {
                        if ($open.is(':checked')) {
                            $popup_id_wrapper.show();
                        } else {
                            $popup_id_wrapper.hide();
                        }
                    }

                    function check_close() {
                        if ($close.is(':checked')) {
                            $delay_wrapper.show();
                        } else {
                            $delay_wrapper.hide();
                        }
                    }

                    check_open();
                    check_close();

                    $open.on('click', check_open);
                    $close.on('click', check_close);
                }(jQuery));
            </script>

        </div> <!-- / popup-editor -->

		<?php

		GFFormSettings::page_footer();

	}