JezK

Edit File: advaxe-buy-now.php

<?php
/*
Plugin Name: Buy Now Button for WooCommerce
Plugin URI: https://advaxe.com
Description: Redirects to checkout with the selected product when clicking "Buy Now". Added cart button functionalities with perfect height & padding control. Now includes independent styling and border controls for both buttons.
Version: 1.0.5
Author: Advaxe
Author URI: https://advaxe.com
*/

if ( ! defined( 'ABSPATH' ) ) {
    exit; // Exit if accessed directly.
}

class BuyNowButtonPlugin {

public function __construct() {
        // Admin menu and settings
        add_action('admin_menu', [ $this, 'add_plugin_menu' ]);
        add_action('admin_init', [ $this, 'register_plugin_settings' ]);

// Add Buy Now button to shop and product pages (Only Shop/Loop now per request)
        add_action('woocommerce_after_shop_loop_item', [ $this, 'add_buy_now_button' ], 15);

// Enqueue styles
        add_action('wp_enqueue_scripts', [ $this, 'enqueue_styles' ]);

// Handle Buy Now action
        add_action('template_redirect', [ $this, 'handle_buy_now_action' ]);
    }

// Enqueue custom styles
    public function enqueue_styles() {
        // If you have a separate style.css, it will load here.
        wp_enqueue_style('buy-now-button-style', plugins_url('style.css', __FILE__));
    }

// Add Buy Now/Cart button to shop/archive pages
    public function add_buy_now_button() {
        global $product;

$display_mode = get_option('buy_now_display_mode', 'only_buy_now');
        $cart_style   = get_option('buy_now_cart_style', 'style_1');
        $button_text  = esc_html(get_option('buy_now_button_text', 'Buy Now'));
        $cart_text    = esc_html(get_option('buy_now_cart_text', 'Cart'));

// Buy Now Logic
        if ( $product->is_type('variable') ) {
            $buy_now_url = $product->get_permalink();
            $cart_url    = $product->get_permalink();
            $cart_class  = 'button product_type_variable add_to_cart_button';
        } else {
            $buy_now_url = add_query_arg('buy_now', $product->get_id(), home_url());
            $cart_url    = '?add-to-cart=' . $product->get_id();
            // Added WooCommerce default AJAX classes
            $cart_class  = 'button product_type_simple add_to_cart_button ajax_add_to_cart';
        }

if ( $display_mode === 'buy_now_with_cart' ) {
            // Cart Icon SVG
            $cart_icon = '<svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="display:block; margin:auto;"><circle cx="9" cy="21" r="1"></circle><circle cx="20" cy="21" r="1"></circle><path d="M1 1h4l2.68 13.39a2 2 0 0 0 2 1.61h9.72a2 2 0 0 0 2-1.61L23 6H6"></path></svg>';
            
            $cart_content = ($cart_style === 'style_2') ? $cart_icon : $cart_text;

$cart_btn = sprintf(
                '<a href="%s" data-product_id="%s" class="advaxe-cart-btn %s">%s</a>',
                esc_url($cart_url),
                esc_attr($product->get_id()),
                esc_attr($cart_class),
                $cart_content
            );
            
            // "in-group" class added for group styling
            $buy_now_btn_group = '<a href="' . esc_url($buy_now_url) . '" class="buy-now-button in-group">' . $button_text . '</a>';

echo '<div class="advaxe-btn-group advaxe-' . esc_attr($cart_style) . '">';
            echo $cart_btn;
            echo $buy_now_btn_group;
            echo '</div>';

} else {
            // Only Buy Now
            $buy_now_btn_single = '<a href="' . esc_url($buy_now_url) . '" class="buy-now-button">' . $button_text . '</a>';
            echo $buy_now_btn_single;
        }
    }

// Handle Buy Now redirect for simple products
    public function handle_buy_now_action() {
        if (isset($_GET['buy_now']) && is_numeric($_GET['buy_now'])) {
            $product_id = intval($_GET['buy_now']);

if (wc_get_product($product_id)) {
                WC()->cart->empty_cart();
                WC()->cart->add_to_cart($product_id);
                wp_safe_redirect(wc_get_checkout_url());
                exit;
            }
        }
    }

// Add admin menu
    public function add_plugin_menu() {
        add_menu_page(
            'Buy Now Settings',
            'Buy Now Button',
            'manage_options',
            'buy-now-settings',
            [ $this, 'plugin_settings_page' ],
            'dashicons-cart'
        );
    }

// Register settings
    public function register_plugin_settings() {
        // General
        register_setting('buy_now_settings_group', 'buy_now_display_mode');
        register_setting('buy_now_settings_group', 'buy_now_cart_style');
        register_setting('buy_now_settings_group', 'buy_now_button_padding');
        register_setting('buy_now_settings_group', 'buy_now_button_margin');
        register_setting('buy_now_settings_group', 'buy_now_button_text_size');
        
        // Buy Now Button Settings
        register_setting('buy_now_settings_group', 'buy_now_button_text');
        register_setting('buy_now_settings_group', 'buy_now_button_color');
        register_setting('buy_now_settings_group', 'buy_now_button_text_color');
        register_setting('buy_now_settings_group', 'buy_now_button_border_toggle');
        register_setting('buy_now_settings_group', 'buy_now_button_border_color');
        register_setting('buy_now_settings_group', 'buy_now_button_border_width');

// Cart Button Settings
        register_setting('buy_now_settings_group', 'buy_now_cart_text');
        register_setting('buy_now_settings_group', 'buy_now_cart_button_color');
        register_setting('buy_now_settings_group', 'buy_now_cart_button_text_color');
        register_setting('buy_now_settings_group', 'buy_now_cart_button_border_toggle');
        register_setting('buy_now_settings_group', 'buy_now_cart_button_border_color');
        register_setting('buy_now_settings_group', 'buy_now_cart_button_border_width');
    }

// Plugin settings page
    public function plugin_settings_page() {
        ?>
        <div class="wrap">
            <h1>Buy Now Button Settings</h1>
            <form method="post" action="options.php">
                <?php settings_fields('buy_now_settings_group'); ?>
                <?php do_settings_sections('buy_now_settings_group'); ?>

<h2 style="margin-top: 30px;">General Settings</h2>
                <table class="form-table">
                    <tr valign="top">
                        <th scope="row">Display Mode</th>
                        <td>
                            <select name="buy_now_display_mode">
                                <option value="only_buy_now" <?php selected(get_option('buy_now_display_mode', 'only_buy_now'), 'only_buy_now'); ?>>Only Buy Now</option>
                                <option value="buy_now_with_cart" <?php selected(get_option('buy_now_display_mode'), 'buy_now_with_cart'); ?>>Buy Now with Cart</option>
                            </select>
                        </td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Cart Button Style (If Cart enabled)</th>
                        <td>
                            <select name="buy_now_cart_style">
                                <option value="style_1" <?php selected(get_option('buy_now_cart_style', 'style_1'), 'style_1'); ?>>Style 1 - Flex Left Cart & Right Buy Now</option>
                                <option value="style_2" <?php selected(get_option('buy_now_cart_style'), 'style_2'); ?>>Style 2 - Left Cart Icon Only & Right Buy Now</option>
                            </select>
                        </td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Button Padding</th>
                        <td>
                            <input type="text" name="buy_now_button_padding" value="<?php echo esc_attr(get_option('buy_now_button_padding', '10px 20px')); ?>" />
                            <p class="description">Example: 10px 20px (Controls both buttons identically)</p>
                        </td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Button Margin</th>
                        <td><input type="text" name="buy_now_button_margin" value="<?php echo esc_attr(get_option('buy_now_button_margin', '10px 0')); ?>" /></td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Text Size</th>
                        <td><input type="text" name="buy_now_button_text_size" value="<?php echo esc_attr(get_option('buy_now_button_text_size', '16px')); ?>" /></td>
                    </tr>
                </table>

<h2>Buy Now Button Styles</h2>
                <table class="form-table">
                    <tr valign="top">
                        <th scope="row">Buy Now Button Text</th>
                        <td><input type="text" name="buy_now_button_text" value="<?php echo esc_attr(get_option('buy_now_button_text', 'Buy Now')); ?>" /></td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Background Color</th>
                        <td><input type="color" name="buy_now_button_color" value="<?php echo esc_attr(get_option('buy_now_button_color', '#000000')); ?>" /></td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Text Color</th>
                        <td><input type="color" name="buy_now_button_text_color" value="<?php echo esc_attr(get_option('buy_now_button_text_color', '#ffffff')); ?>" /></td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Border Toggle</th>
                        <td>
                            <select name="buy_now_button_border_toggle">
                                <option value="off" <?php selected(get_option('buy_now_button_border_toggle', 'off'), 'off'); ?>>Off</option>
                                <option value="on" <?php selected(get_option('buy_now_button_border_toggle'), 'on'); ?>>On</option>
                            </select>
                        </td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Border Color</th>
                        <td><input type="color" name="buy_now_button_border_color" value="<?php echo esc_attr(get_option('buy_now_button_border_color', '#000000')); ?>" /></td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Border Width</th>
                        <td>
                            <input type="text" name="buy_now_button_border_width" value="<?php echo esc_attr(get_option('buy_now_button_border_width', '1px')); ?>" />
                            <p class="description">Example: 1px, 2px</p>
                        </td>
                    </tr>
                </table>

<h2>Cart Button Styles</h2>
                <table class="form-table">
                    <tr valign="top">
                        <th scope="row">Cart Button Text</th>
                        <td><input type="text" name="buy_now_cart_text" value="<?php echo esc_attr(get_option('buy_now_cart_text', 'Cart')); ?>" /></td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Background Color</th>
                        <td><input type="color" name="buy_now_cart_button_color" value="<?php echo esc_attr(get_option('buy_now_cart_button_color', '#eeeeee')); ?>" /></td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Text Color</th>
                        <td><input type="color" name="buy_now_cart_button_text_color" value="<?php echo esc_attr(get_option('buy_now_cart_button_text_color', '#333333')); ?>" /></td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Border Toggle</th>
                        <td>
                            <select name="buy_now_cart_button_border_toggle">
                                <option value="off" <?php selected(get_option('buy_now_cart_button_border_toggle', 'off'), 'off'); ?>>Off</option>
                                <option value="on" <?php selected(get_option('buy_now_cart_button_border_toggle'), 'on'); ?>>On</option>
                            </select>
                        </td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Border Color</th>
                        <td><input type="color" name="buy_now_cart_button_border_color" value="<?php echo esc_attr(get_option('buy_now_cart_button_border_color', '#cccccc')); ?>" /></td>
                    </tr>
                    <tr valign="top">
                        <th scope="row">Border Width</th>
                        <td>
                            <input type="text" name="buy_now_cart_button_border_width" value="<?php echo esc_attr(get_option('buy_now_cart_button_border_width', '1px')); ?>" />
                            <p class="description">Example: 1px, 2px</p>
                        </td>
                    </tr>
                </table>

<?php submit_button(); ?>
            </form>
        </div>
        <?php
    }
}

new BuyNowButtonPlugin();

// Inline styles
add_action('wp_head', function() {
    // General Settings
    $padding    = esc_attr(get_option('buy_now_button_padding', '10px 20px'));
    $margin     = esc_attr(get_option('buy_now_button_margin', '10px 0'));
    $text_size  = esc_attr(get_option('buy_now_button_text_size', '16px'));
    
    // Buy Now Colors & Border
    $bn_color           = esc_attr(get_option('buy_now_button_color', '#000000'));
    $bn_text_color      = esc_attr(get_option('buy_now_button_text_color', '#ffffff'));
    $bn_border_toggle   = get_option('buy_now_button_border_toggle', 'off');
    $bn_border_color    = esc_attr(get_option('buy_now_button_border_color', '#000000'));
    $bn_border_width    = esc_attr(get_option('buy_now_button_border_width', '1px'));
    $bn_border_css      = ($bn_border_toggle === 'on') ? "border: {$bn_border_width} solid {$bn_border_color} !important;" : "border: none !important;";

// Cart Colors & Border
    $cart_color         = esc_attr(get_option('buy_now_cart_button_color', '#eeeeee'));
    $cart_text_color    = esc_attr(get_option('buy_now_cart_button_text_color', '#333333'));
    $cart_border_toggle = get_option('buy_now_cart_button_border_toggle', 'off');
    $cart_border_color  = esc_attr(get_option('buy_now_cart_button_border_color', '#cccccc'));
    $cart_border_width  = esc_attr(get_option('buy_now_cart_button_border_width', '1px'));
    $cart_border_css    = ($cart_border_toggle === 'on') ? "border: {$cart_border_width} solid {$cart_border_color} !important;" : "border: none !important;";

echo "<style>
        /* Base styles for both buttons to guarantee identical padding and height */
        .buy-now-button, 
        .advaxe-btn-group .advaxe-cart-btn {
            padding: {$padding} !important;
            font-size: {$text_size} !important;
            border-radius: 5px !important;
            text-decoration: none !important;
            display: inline-flex !important;
            align-items: center !important;
            justify-content: center !important;
            box-sizing: border-box !important;
            line-height: normal !important;
            min-height: 0 !important; /* Resets theme default min-heights */
            text-align: center !important;
            vertical-align: middle !important;
            transition: all 0.3s ease;
        }

/* Buy Now specific styles */
        .buy-now-button {
            background-color: {$bn_color} !important;
            color: {$bn_text_color} !important;
            {$bn_border_css}
            cursor: pointer;
            font-weight: 600 !important;
        }
        .buy-now-button:hover {
            opacity: 0.85;
        }

/* Cart specific styles */
        .advaxe-btn-group .advaxe-cart-btn {
            background-color: {$cart_color} !important;
            color: {$cart_text_color} !important;
            {$cart_border_css}
        }
        .advaxe-btn-group .advaxe-cart-btn:hover {
            opacity: 0.85;
        }

/* Single Buy Now margin (when NOT in the flex group) */
        .buy-now-button:not(.in-group) {
            margin: {$margin} !important;
        }

/* Flex Group Container */
        .advaxe-btn-group {
            display: flex !important;
            flex-direction: row !important;
            gap: 4px !important;
            margin: {$margin} !important;
            align-items: stretch !important; /* Ensures equal heights */
            width: 100% !important;
            box-sizing: border-box !important;
        }

/* Reset margins inside group */
        .advaxe-btn-group .buy-now-button, 
        .advaxe-btn-group .advaxe-cart-btn {
            margin: 0 !important; 
        }

/* Style 1: Both buttons take exactly 50% width */
        .advaxe-style_1 .advaxe-cart-btn,
        .advaxe-style_1 .buy-now-button {
            flex: 1 1 0% !important;
            width: 100% !important;
        }

/* Style 2: Cart icon auto width, Buy Now takes remaining */
        .advaxe-style_2 .buy-now-button {
            flex: 1 1 auto !important;
        }
        .advaxe-style_2 .advaxe-cart-btn {
            flex: 0 0 auto !important;
            padding-left: 10px !important;
            padding-right: 10px !important;
            /* Keeps vertical padding same as Buy Now, but limits horizontal to make it square-ish */
        }
    </style>";
});