simple-product-options-frontend.php

<?php



class wpec_simple_product_options_frontend {



    function __construct() {

        // Original version
        add_action ( 'wpsc_product_form_fields', array ( &$this, 'display_product_options' ) );
        // Actual hook added to WPEC
        add_action ( 'wpsc_product_form_fields_begin', array ( &$this, 'display_product_options' ) );

        add_filter ( 'wpsc_add_to_cart_product_id', array ( &$this, 'parse_product_options' ) );

        // Show the personalisation information during checkout
        add_action ( 'wpsc_after_checkout_cart_item_name', array ( &$this, 'checkout_personalisation_information' ) );
        add_action ( 'wpsc_after_cart_widget_item_name', array ( &$this, 'cart_widget_personalisation_information' ) );

        add_action( 'init', array( $this, 'init' ) );
    }


    public function init() {
    	global $wpec_show_personalisation;
    	remove_action( 'wpsc_after_checkout_cart_item_name', array( $wpec_show_personalisation, 'checkout_personalisation_information' ) );
    	remove_action( 'wpsc_after_cart_widget_item_name', array( $wpec_show_personalisation, 'cart_widget_personalisation_information' ) );
    }



    public function checkout_personalisation_information() {
        $this->show_personalisation_information ( 'checkout' );
    }



    public function cart_widget_personalisation_information() {
        $this->show_personalisation_information ( 'cart_widget' );
    }




    public function show_personalisation_information($context) {

        global $wpsc_cart;

        // Seperate out the options into individual items
        $options = explode ( apply_filters ( 'wpec_spo_between_options_db', '; ' ), $wpsc_cart->cart_item->custom_message );

        echo apply_filters ( 'wpec_spo_before_options', '<br/><span class="wpec_product_option_'.esc_attr ( $context ).'_text">', $context );

        $cnt = 0 ;
        foreach ( $options as $option ) {

            if ( $cnt )
                echo nl2br ( esc_html ( apply_filters ( 'wpec_spo_between_options', '; ', $context ) ) );

            echo nl2br ( esc_html ( $option ) );
            $cnt++;
        }

        echo apply_filters ( 'wpec_spo_after_options', '</span>', $context );

    }



    function parse_product_options( $product_id ) {

        if ( isset ( $_POST['wpec-product-option'] ) && count ( $_POST['wpec-product-option'] ) ) {

            // Flag the product as personalisable.
            // Put it into POST for WPEC pre-4.0, REQUEST for post-4.0
            $_POST['is_customisable'] = 'true';
            $_REQUEST['is_customisable'] = 'true';

            // Construct the options into a string
            $cnt = 0;
            $custom_text = isset ( $_POST['custom_text'] ) ? $_POST['custom_text']."\n" : '';

            foreach ( $_POST['wpec-product-option'] as $parent_term => $term ) {

                $parent = get_term_by ( 'id', $parent_term, 'wpec_product_option' );
                $child = get_term_by ( 'id', $term, 'wpec_product_option' );

                /* Filter wpec_spo_between_options_db allows you to change the separator used between options when
                 * storing the data in the database. DO NOT use this to change how the information is displayed in
                 * the cart or during checkout. Only use this if your options, or values contain the default
                 * separator ";"
                 */
                if ( $cnt )
                    $custom_text .= apply_filters ( 'wpec_spo_between_options_db', '; ' );

                $custom_text .= $parent->name . ': ' . $child->name;

                $cnt++;
            }

			// Put it into POST for WPEC pre-4.0, REQUEST for post-4.0
			$_POST['custom_text']    = $custom_text;
			$_REQUEST['custom_text'] = $custom_text;

        }

        return $product_id;
    }



    function sort_product_option_sets ( $a, $b ) {

        $a_order = isset ( $a['option_set_info']->term_order ) ? $a['option_set_info']->term_order : 0;
        $b_order = isset ( $b['option_set_info']->term_order ) ? $b['option_set_info']->term_order : 0;

        if ( $a_order == $b_order)
            return 0;

        if ( $a_order > $b_order)
            return 1;

        return -1;

    }



    function sort_product_options( $a, $b ) {

        $a_order = isset ( $a->term_order ) ? $a->term_order : 0;
        $b_order = isset ( $b->term_order ) ? $b->term_order : 0;

        if ( $a_order == $b_order)
            return 0;

        if ( $a_order > $b_order)
            return 1;

        return -1;

    }



    function display_product_options() {

        // Retrieve the product options for this product
        $product_id = wpsc_the_product_id();

        $options = wp_get_object_terms ( $product_id, 'wpec_product_option', array ( 'orderby' => 'parent', 'order' => 'asc' ) );
        $options = apply_filters ( 'wpec_spo_product_options', $options, $product_id );

        if ( ! count ( $options ) )
            return;

        // Re-arrange to an array structure suitable for output
        foreach ($options as $option) {

            if ( $option->parent == 0 )
                continue;

            // Add to array
            if ( isset ( $output_array[$option->parent] ) ) {

                // Already have the parent info - just add the child
                $output_array[$option->parent]['options'][] = $option;

            } else {

                // Grab the parent info AND add this as a child
                $parent = get_term_by ( 'id', $option->parent, 'wpec_product_option' );

                // No sensible way to structure multi-level options
                if ( $parent->parent != 0 )
                    continue;

                $output_array[$parent->term_id] = Array ( 'option_set_info' => $parent,
                                                          'options' => Array ( $option )
                                                          );
            }

        }

        if ( ! isset ( $output_array) || ! count ( $output_array ) )
            return;

        usort ( $output_array, array ( &$this, 'sort_product_option_sets' ) );

        $output_array = apply_filters ( 'wpec_spo_product_options_output_array', $output_array, $product_id);

        foreach ( $output_array as $option_set ) {

            if ( ! empty ( $option_set['options'] ) ) {

                // Sort by term order
                usort ( $option_set['options'], array ( &$this, 'sort_product_options' ) );

                $option_set_info = &$option_set['option_set_info'];

                echo "<span class=\"wpec-product-option-title\">".esc_html($option_set_info->name).": </span>";
                echo "<select class=\"wpec-product-option-select\" name=\"wpec-product-option[".esc_attr($option_set_info->term_id)."]\">";

                foreach ( $option_set['options'] as $option ) {

                    echo "<option value=\"".esc_attr($option->term_id)."\">".esc_html($option->name)."</option>";

                }

                echo "</select><br/>";
            }
        }

    }


}

$wpec_simple_product_options_frontend = new wpec_simple_product_options_frontend();