async

examples/SimpleButtonExample.php

@@ -14,13 +14,58 @@ if (PHP_VERSION_ID < 80100) {
 
 $app = new Application('Button Example', 800, 600);
 
+$container = new Container('p-4');
 // Button with different padding
 $button2 = new Button(
     text: 'Another Button',
-    style: 'm-5 p-15 hover:bg-green-200',
+    style: 'm-5 p-15 bg-lime-500 hover:bg-green-200',
-    onClick: function () {
-        echo 'test2';
-    },
 );
-$app->setRoot($button2);
+
+$button2->setOnClickAsync(
+    onClickAsync: function () {
+        // Fetch data from API (example: JSON placeholder)
+        $url = 'https://jsonplaceholder.typicode.com/todos/1';
+
+        $context = stream_context_create([
+            'http' => [
+                'timeout' => 10,
+                'method' => 'GET',
+            ],
+        ]);
+
+        $response = file_get_contents($url, false, $context);
+
+        if ($response === false) {
+            throw new \Exception('Failed to fetch data');
+        }
+
+        return json_decode($response, true);
+    },
+
+    onComplete: function ($data) use ($container) {
+        $statusLabel = new Label(
+            text: 'Klicken Sie den Button, um Daten zu laden...',
+            style: 'text-base text-gray-700',
+        );
+
+        $resultLabel = new Label(
+            text: '',
+            style: 'text-sm text-blue-600',
+        );
+
+        $statusLabel->setText('✓ Daten erfolgreich geladen!');
+
+        $formatted = 'ID: ' . ($data['id'] ?? 'N/A') . "\n";
+        $formatted .= 'Titel: ' . ($data['title'] ?? 'N/A') . "\n";
+        $formatted .= 'Erledigt: ' . (($data['completed'] ?? false) ? 'Ja' : 'Nein');
+
+        $resultLabel->setText($formatted);
+        $container->addComponent($statusLabel);
+        $container->addComponent($resultLabel);
+    },
+
+    onError: function ($error) {},
+);
+$container->addComponent($button2);
+$app->setRoot($container);
 $app->run();

examples/async_button_example.php

@@ -0,0 +1,75 @@
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use PHPNative\Framework\Application;
+use PHPNative\Ui\Widget\Button;
+use PHPNative\Ui\Widget\Container;
+use PHPNative\Ui\Widget\Label;
+
+// Create application
+$app = new Application('Async Button Example', 800, 600);
+
+// Create UI components
+$container = new Container('flex flex-col p-4 gap-4');
+
+// Status label to show loading state
+$statusLabel = new Label(
+    text: 'Klicken Sie den Button, um Daten zu laden...',
+    style: 'text-base text-gray-700'
+);
+
+// Result label to show fetched data
+$resultLabel = new Label(
+    text: '',
+    style: 'text-sm text-blue-600'
+);
+
+// Button with async onClick handler
+$button = new Button(
+    text: 'Daten aus dem Web laden',
+    style: 'bg-blue-500 hover:bg-blue-700 text-white p-4 rounded-lg'
+);
+
+// Set async click handler
+$button->setOnClickAsync(
+    // Task that runs in background thread
+    onClickAsync: function() {
+        // Simulate web request (or use real HTTP client)
+        sleep(2); // Simulates network delay
+
+        // In production, you would use something like:
+        // $response = file_get_contents('https://api.example.com/data');
+        // return json_decode($response, true);
+
+        return [
+            'status' => 'success',
+            'data' => 'Daten erfolgreich geladen!',
+            'timestamp' => date('H:i:s')
+        ];
+    },
+
+    // Callback when task completes successfully
+    onComplete: function($result) use ($statusLabel, $resultLabel) {
+        $statusLabel->setText('✓ Laden abgeschlossen!');
+        $resultLabel->setText(
+            'Status: ' . $result['status'] . "\n" .
+            'Daten: ' . $result['data'] . "\n" .
+            'Zeit: ' . $result['timestamp']
+        );
+    },
+
+    // Callback when task fails
+    onError: function($error) use ($statusLabel, $resultLabel) {
+        $statusLabel->setText('✗ Fehler beim Laden!');
+        $resultLabel->setText('Error: ' . $error->getMessage());
+    }
+);
+
+// Add components to container
+$container->addComponent($statusLabel);
+$container->addComponent($button);
+$container->addComponent($resultLabel);
+
+// Set root component and run
+$app->setRoot($container)->run();

examples/async_http_example.php

@@ -0,0 +1,126 @@
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use PHPNative\Framework\Application;
+use PHPNative\Ui\Widget\Button;
+use PHPNative\Ui\Widget\Container;
+use PHPNative\Ui\Widget\Label;
+
+// Create application
+$app = new Application('Async HTTP Request Example', 900, 700);
+
+// Create UI
+$container = new Container('flex flex-col p-6 gap-3 bg-gray-100');
+
+$title = new Label(
+    text: 'Asynchrone HTTP Requests Demo',
+    style: 'text-2xl text-gray-900 mb-4'
+);
+
+$statusLabel = new Label(
+    text: 'Bereit zum Laden...',
+    style: 'text-base text-gray-700 p-2 bg-white rounded'
+);
+
+// Button for fetching JSON data
+$fetchButton = new Button(
+    text: 'JSON API abrufen',
+    style: 'bg-green-500 hover:bg-green-700 text-white p-3 rounded-lg'
+);
+
+$resultLabel = new Label(
+    text: '',
+    style: 'text-sm text-gray-800 p-3 bg-white rounded whitespace-pre-wrap'
+);
+
+// Set async handler for JSON fetch
+$fetchButton->setOnClickAsync(
+    onClickAsync: function() {
+        // Fetch data from API (example: JSON placeholder)
+        $url = 'https://jsonplaceholder.typicode.com/todos/1';
+
+        $context = stream_context_create([
+            'http' => [
+                'timeout' => 10,
+                'method' => 'GET',
+            ]
+        ]);
+
+        $response = @file_get_contents($url, false, $context);
+
+        if ($response === false) {
+            throw new \Exception('Failed to fetch data');
+        }
+
+        return json_decode($response, true);
+    },
+
+    onComplete: function($data) use ($statusLabel, $resultLabel) {
+        $statusLabel->setText('✓ Daten erfolgreich geladen!');
+
+        $formatted = "ID: " . ($data['id'] ?? 'N/A') . "\n";
+        $formatted .= "Titel: " . ($data['title'] ?? 'N/A') . "\n";
+        $formatted .= "Erledigt: " . (($data['completed'] ?? false) ? 'Ja' : 'Nein');
+
+        $resultLabel->setText($formatted);
+    },
+
+    onError: function($error) use ($statusLabel, $resultLabel) {
+        $statusLabel->setText('✗ Fehler aufgetreten');
+        $resultLabel->setText('Error: ' . $error->getMessage());
+    }
+);
+
+// Button for simulating slow operation
+$slowButton = new Button(
+    text: 'Langsame Operation (5s)',
+    style: 'bg-orange-500 hover:bg-orange-700 text-white p-3 rounded-lg'
+);
+
+$slowButton->setOnClickAsync(
+    onClickAsync: function() {
+        $startTime = microtime(true);
+
+        // Simulate heavy computation
+        sleep(5);
+
+        $endTime = microtime(true);
+        $duration = round($endTime - $startTime, 2);
+
+        return [
+            'message' => 'Operation abgeschlossen',
+            'duration' => $duration . ' Sekunden'
+        ];
+    },
+
+    onComplete: function($result) use ($statusLabel, $resultLabel) {
+        $statusLabel->setText('✓ Operation abgeschlossen!');
+        $resultLabel->setText(
+            $result['message'] . "\n" .
+            'Dauer: ' . $result['duration']
+        );
+    },
+
+    onError: function($error) use ($statusLabel, $resultLabel) {
+        $statusLabel->setText('✗ Fehler bei Operation');
+        $resultLabel->setText('Error: ' . $error->getMessage());
+    }
+);
+
+// Add all components
+$container->addComponent($title);
+$container->addComponent($statusLabel);
+$container->addComponent($fetchButton);
+$container->addComponent($slowButton);
+$container->addComponent($resultLabel);
+
+// Info label
+$infoLabel = new Label(
+    text: 'Die UI bleibt während der Requests responsive!',
+    style: 'text-xs text-gray-500 mt-4 italic'
+);
+$container->addComponent($infoLabel);
+
+// Run application
+$app->setRoot($container)->run();

src/Async/AsyncTask.php

@@ -0,0 +1,123 @@
+<?php
+
+namespace PHPNative\Async;
+
+use parallel\Runtime;
+use parallel\Future;
+
+class AsyncTask
+{
+    private ?Future $future = null;
+    private mixed $result = null;
+    private bool $completed = false;
+    private bool $failed = false;
+    private mixed $error = null;
+    private mixed $onComplete = null;
+    private mixed $onError = null;
+    private mixed $task = null;
+
+    public function __construct(
+        callable $task
+    ) {
+        $this->task = $task;
+    }
+
+    /**
+     * Start the async task execution
+     */
+    public function start(): void
+    {
+        if ($this->future !== null) {
+            return; // Already started
+        }
+
+        try {
+            $runtime = new Runtime();
+            $this->future = $runtime->run($this->task);
+        } catch (\Throwable $e) {
+            $this->failed = true;
+            $this->error = $e;
+            $this->completed = true;
+        }
+    }
+
+    /**
+     * Check if task is completed and process result
+     */
+    public function update(): void
+    {
+        if ($this->completed || $this->future === null) {
+            return;
+        }
+
+        // Check if future is done without blocking
+        if ($this->future->done()) {
+            try {
+                $this->result = $this->future->value();
+                $this->completed = true;
+
+                if ($this->onComplete !== null) {
+                    ($this->onComplete)($this->result);
+                }
+            } catch (\Throwable $e) {
+                $this->failed = true;
+                $this->error = $e;
+                $this->completed = true;
+
+                if ($this->onError !== null) {
+                    ($this->onError)($this->error);
+                }
+            }
+        }
+    }
+
+    /**
+     * Set callback for successful completion
+     */
+    public function onComplete(callable $callback): self
+    {
+        $this->onComplete = $callback;
+        return $this;
+    }
+
+    /**
+     * Set callback for errors
+     */
+    public function onError(callable $callback): self
+    {
+        $this->onError = $callback;
+        return $this;
+    }
+
+    /**
+     * Check if task is completed
+     */
+    public function isCompleted(): bool
+    {
+        return $this->completed;
+    }
+
+    /**
+     * Check if task failed
+     */
+    public function isFailed(): bool
+    {
+        return $this->failed;
+    }
+
+    /**
+     * Get the result (only available after completion)
+     */
+    public function getResult(): mixed
+    {
+        return $this->result;
+    }
+
+    /**
+     * Get the error (only available after failure)
+     */
+    public function getError(): mixed
+    {
+        return $this->error;
+    }
+}

src/Async/TaskManager.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace PHPNative\Async;
+
+class TaskManager
+{
+    private static ?TaskManager $instance = null;
+    private array $tasks = [];
+
+    private function __construct()
+    {
+    }
+
+    /**
+     * Get singleton instance
+     */
+    public static function getInstance(): TaskManager
+    {
+        if (self::$instance === null) {
+            self::$instance = new TaskManager();
+        }
+        return self::$instance;
+    }
+
+    /**
+     * Add a new task and start it
+     */
+    public function addTask(AsyncTask $task): void
+    {
+        $this->tasks[] = $task;
+        $task->start();
+    }
+
+    /**
+     * Create and start a new async task
+     */
+    public function runAsync(callable $task): AsyncTask
+    {
+        $asyncTask = new AsyncTask($task);
+        $this->addTask($asyncTask);
+        return $asyncTask;
+    }
+
+    /**
+     * Update all running tasks (call this in your main loop)
+     */
+    public function update(): void
+    {
+        foreach ($this->tasks as $key => $task) {
+            $task->update();
+
+            // Remove completed tasks
+            if ($task->isCompleted()) {
+                unset($this->tasks[$key]);
+            }
+        }
+    }
+
+    /**
+     * Get count of running tasks
+     */
+    public function getRunningTaskCount(): int
+    {
+        return count($this->tasks);
+    }
+
+    /**
+     * Check if any tasks are running
+     */
+    public function hasRunningTasks(): bool
+    {
+        return count($this->tasks) > 0;
+    }
+}

src/Framework/Application.php

@@ -2,6 +2,7 @@
 
 namespace PHPNative\Framework;
 
+use PHPNative\Async\TaskManager;
 use PHPNative\Ui\Component;
 use PHPNative\Ui\Viewport;
 
@@ -165,6 +166,9 @@ class Application
      */
     protected function update(): void
     {
+        // Update async tasks
+        TaskManager::getInstance()->update();
+
         if ($this->rootComponent) {
             $this->rootComponent->update();
         }

src/Ui/Widget/Button.php

@@ -2,12 +2,15 @@
 
 namespace PHPNative\Ui\Widget;
 
+use PHPNative\Async\AsyncTask;
+use PHPNative\Async\TaskManager;
 use PHPNative\Framework\TextRenderer;
 
 class Button extends Container
 {
     private Label $label;
     private $onClick = null;
+    private $onClickAsync = null;
 
     public function __construct(
         public string $text = '',
@@ -42,6 +45,24 @@ class Button extends Container
         $this->onClick = $onClick;
     }
 
+    /**
+     * Set async click handler that runs in background thread
+     * @param callable $onClickAsync Task to run asynchronously
+     * @param callable|null $onComplete Optional callback when task completes
+     * @param callable|null $onError Optional callback on error
+     */
+    public function setOnClickAsync(
+        callable $onClickAsync,
+        ?callable $onComplete = null,
+        ?callable $onError = null
+    ): void {
+        $this->onClickAsync = [
+            'task' => $onClickAsync,
+            'onComplete' => $onComplete,
+            'onError' => $onError,
+        ];
+    }
+
     public function handleMouseClick(float $mouseX, float $mouseY, int $button): bool
     {
         // Check if click is within button bounds
@@ -51,10 +72,23 @@ class Button extends Container
                 $mouseY >= $this->viewport->y &&
                 $mouseY <= ($this->viewport->y + $this->viewport->height)
         ) {
-            // Call onClick callback if set
+            // Call async onClick callback if set
-            if ($this->onClick !== null) {
+            if ($this->onClickAsync !== null) {
+                $task = TaskManager::getInstance()->runAsync($this->onClickAsync['task']);
+
+                if ($this->onClickAsync['onComplete'] !== null) {
+                    $task->onComplete($this->onClickAsync['onComplete']);
+                }
+
+                if ($this->onClickAsync['onError'] !== null) {
+                    $task->onError($this->onClickAsync['onError']);
+                }
+            }
+            // Call sync onClick callback if set
+            elseif ($this->onClick !== null) {
                 ($this->onClick)();
             }
+
             return true;
         }
         // Propagate to parent if click was outside button