[WORK IN PROGRESS] Basic Admin UI Enhancements with toggle fixes

includes/class-wp-allstars-admin-colors.php

@@ -0,0 +1,169 @@
+<?php
+/**
+ * WP ALLSTARS Admin Colors Feature
+ *
+ * Handles setting the admin color scheme based on user preferences
+ *
+ * @package WP_ALLSTARS
+ * @since 0.2.3.1
+ */
+
+if (!defined('ABSPATH')) {
+    exit; // Exit if accessed directly
+}
+
+/**
+ * Admin Colors Handler Class
+ */
+class WP_Allstars_Admin_Colors {
+    
+    /**
+     * Option name for the admin color scheme setting
+     *
+     * @var string
+     */
+    private $option_name = 'wp_allstars_admin_color_scheme';
+    
+    /**
+     * Modern color scheme key
+     *
+     * @var string
+     */
+    private $modern_scheme = 'modern';
+    
+    /**
+     * Default color scheme key
+     *
+     * @var string
+     */
+    private $default_scheme = 'fresh';
+    
+    /**
+     * Initialize the class and set up hooks
+     */
+    public function __construct() {
+        // Set up hooks
+        add_action('admin_init', array($this, 'set_admin_color_scheme'));
+        add_action('wp_ajax_wp_allstars_update_color_scheme', array($this, 'handle_color_scheme_update'));
+        
+        // Add script to handle the toggle
+        add_action('admin_enqueue_scripts', array($this, 'enqueue_color_scripts'));
+    }
+    
+    /**
+     * Enqueue scripts and styles for the color scheme toggle
+     */
+    public function enqueue_color_scripts() {
+        // Only enqueue on our plugin pages
+        $screen = get_current_screen();
+        if (!isset($screen->id) || strpos($screen->id, 'wp-allstars') === false) {
+            return;
+        }
+        
+        wp_enqueue_script(
+            'wp-allstars-color-toggle',
+            plugin_dir_url(dirname(__FILE__)) . 'admin/js/wp-allstars-admin-colors.js',
+            array('jquery'),
+            WP_ALLSTARS_VERSION,
+            true
+        );
+        
+        wp_localize_script('wp-allstars-color-toggle', 'wpAllstarsColors', array(
+            'ajax_url' => admin_url('admin-ajax.php'),
+            'nonce' => wp_create_nonce('wp_allstars_color_nonce'),
+            'option_name' => $this->option_name,
+        ));
+    }
+    
+    /**
+     * Set the admin color scheme based on user preference
+     */
+    public function set_admin_color_scheme() {
+        // Only apply for administrators
+        if (!current_user_can('manage_options')) {
+            return;
+        }
+        
+        // Get current user
+        $user_id = get_current_user_id();
+        if (!$user_id) {
+            return;
+        }
+        
+        // Check if our option is enabled
+        $enable_modern = get_option($this->option_name, false);
+        
+        // Set the appropriate color scheme
+        if ($enable_modern) {
+            // Use modern scheme if available, otherwise use default
+            $this->set_user_color_scheme($user_id, $this->modern_scheme);
+        }
+    }
+    
+    /**
+     * Set a user's color scheme
+     *
+     * @param int $user_id The user ID
+     * @param string $scheme The color scheme to set
+     */
+    private function set_user_color_scheme($user_id, $scheme) {
+        // Check if the scheme exists
+        global $_wp_admin_css_colors;
+        
+        // If the scheme doesn't exist, use the default
+        if (!isset($_wp_admin_css_colors[$scheme])) {
+            $scheme = $this->default_scheme;
+        }
+        
+        // Update the user's color scheme
+        update_user_meta($user_id, 'admin_color', $scheme);
+    }
+    
+    /**
+     * Handle AJAX request to update color scheme
+     */
+    public function handle_color_scheme_update() {
+        // Verify nonce
+        if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'wp_allstars_color_nonce')) {
+            wp_send_json_error('Invalid nonce');
+        }
+        
+        // Verify user can manage options
+        if (!current_user_can('manage_options')) {
+            wp_send_json_error('Insufficient permissions');
+        }
+        
+        // Get the new value
+        $enabled = isset($_POST['enabled']) ? (bool) $_POST['enabled'] : false;
+        
+        // Update the option
+        update_option($this->option_name, $enabled);
+        
+        // Get current user
+        $user_id = get_current_user_id();
+        
+        // Set the color scheme
+        if ($enabled) {
+            $this->set_user_color_scheme($user_id, $this->modern_scheme);
+            $message = 'Modern admin colors enabled';
+        } else {
+            $this->set_user_color_scheme($user_id, $this->default_scheme);
+            $message = 'Default admin colors restored';
+        }
+        
+        // Send success response
+        wp_send_json_success(array(
+            'message' => $message,
+            'enabled' => $enabled,
+        ));
+    }
+    
+    /**
+     * Check if modern color scheme is enabled
+     *
+     * @return bool Whether modern color scheme is enabled
+     */
+    public function is_modern_color_scheme_enabled() {
+        return (bool) get_option($this->option_name, false);
+    }
+}