snippet wip

src/Application/UI/Control.php

@@ -146,7 +146,7 @@ public function isControlInvalid(?string $snippet = null): bool
 		if ($snippet !== null) {
 			return $this->invalidSnippets[$snippet] ?? isset($this->invalidSnippets["\0"]);
 
-		} elseif (count($this->invalidSnippets) > 0) {
+		} elseif (array_keys($this->invalidSnippets, true, true)) {
 			return true;
 		}
 

src/Bridges/ApplicationLatte/Nodes/ControlNode.php

@@ -31,6 +31,7 @@ class ControlNode extends StatementNode
 	public ?ExpressionNode $method = null;
 	public ArrayNode $args;
 	public ?bool $escape = null;
+	public bool $inSnippetArea = false;
 
 
 	public static function create(Tag $tag): static
@@ -40,6 +41,7 @@ public static function create(Tag $tag): static
 		$stream = $tag->parser->stream;
 		$node = new static;
 		$node->name = $tag->parser->parseUnquotedStringOrExpression(colon: false);
+		$node->inSnippetArea = $tag->closestTag(['snippetArea']) && !$tag->closestTag(['snippet']);
 		if ($stream->tryConsume(':')) {
 			$node->method = $tag->parser->parseExpression();
 		}
@@ -94,11 +96,14 @@ public function print(PrintContext $context): string
 			$this->name,
 		);
 
+		$fetchCode .= $this->inSnippetArea
+			? 'if ($ʟ_tmp instanceof Nette\Application\UI\Renderable) $ʟ_tmp->snippetMode = $this->global->uiControl->snippetMode;'
+			: 'if ($ʟ_tmp instanceof Nette\Application\UI\Renderable) $ʟ_tmp->redrawControl(null, false);';
+
 		if ($this->escape) {
 			return $context->format(
 				<<<'XX'
 					%raw
-					if ($ʟ_tmp instanceof Nette\Application\UI\Renderable) $ʟ_tmp->redrawControl(null, false);
 					ob_start(fn() => '');
 					$ʟ_tmp->%raw(%args) %line;
 					$ʟ_fi = new LR\FilterInfo(%dump); echo %modifyContent(ob_get_clean());
@@ -117,7 +122,6 @@ public function print(PrintContext $context): string
 			return $context->format(
 				<<<'XX'
 					%raw
-					if ($ʟ_tmp instanceof Nette\Application\UI\Renderable) $ʟ_tmp->redrawControl(null, false);
 					$ʟ_tmp->%raw(%args) %line;
 
 

src/Bridges/ApplicationLatte/SnippetRuntime.php

@@ -64,10 +64,11 @@ public function enter(string $name, string $type): void
 			$this->nestingLevel++;
 		}
 
-		$this->stack[] = [$name, $obStarted];
-		if ($name !== '') {
-			$this->control->redrawControl($name, false);
+		$this->stack[] = [$name, $obStarted, $this->control->snippetMode];
+		if ($type !== self::TypeArea) {
+			$this->control->snippetMode = false;
 		}
+		$this->control->redrawControl($name, false);
 	}
 
 
@@ -78,7 +79,7 @@ public function leave(): void
 			return;
 		}
 
-		[$name, $obStarted] = array_pop($this->stack);
+		[$name, $obStarted, $this->control->snippetMode] = array_pop($this->stack);
 		if ($this->nestingLevel > 0 && --$this->nestingLevel === 0) {
 			$content = ob_get_clean();
 			$this->payload ??= $this->control->getPresenter()->getPayload();
@@ -107,7 +108,6 @@ public function renderSnippets(array $blocks, array $params): bool
 		}
 
 		$this->renderingSnippets = true;
-		$this->control->snippetMode = false;
 		foreach ($blocks as $name => $block) {
 			if (!$this->control->isControlInvalid($name)) {
 				continue;
@@ -117,7 +117,6 @@ public function renderSnippets(array $blocks, array $params): bool
 			$function($params);
 		}
 
-		$this->control->snippetMode = true;
 		$this->renderChildren();
 		return true;
 	}

tests/Bridges.Latte3/renderSnippets8.phpt

@@ -0,0 +1,91 @@
+<?php
+
+/**
+ * Test: renderSnippets and control wrapped in a snippet
+ * @phpVersion 8.0
+ */
+
+declare(strict_types=1);
+
+use Nette\Http;
+use Tester\Assert;
+
+require __DIR__ . '/../bootstrap.php';
+
+if (version_compare(Latte\Engine::VERSION, '3', '<')) {
+	Tester\Environment::skip('Test for Latte 3');
+}
+
+
+class TestControl extends Nette\Application\UI\Control
+{
+	public int $counter = 0;
+
+
+	public function render(int $arg = 0)
+	{
+		$this->counter++;
+		$latte = new Latte\Engine;
+		$latte->setLoader(new Latte\Loaders\StringLoader);
+		$latte->addExtension(new Nette\Bridges\ApplicationLatte\UIExtension($this));
+		$latte->render('{snippet foo}hello {$arg}{/snippet}', ['arg' => $arg]);
+	}
+}
+
+class TestPresenter extends Nette\Application\UI\Presenter
+{
+	public function createComponentTest()
+	{
+		return new TestControl;
+	}
+
+
+	public function render()
+	{
+		$latte = new Latte\Engine;
+		$latte->setLoader(new Latte\Loaders\StringLoader);
+		$latte->addExtension(new Nette\Bridges\ApplicationLatte\UIExtension($this));
+		$latte->render('{snippetArea foo}{control test 123}{/snippetArea}');
+	}
+}
+
+
+$presenter = new TestPresenter;
+$presenter->injectPrimary(null, null, null, new Http\Request(new Http\UrlScript('/')), new Http\Response);
+$presenter->snippetMode = true;
+$presenter->redrawControl('foo');
+$presenter['test']->redrawControl('foo');
+$presenter->render();
+Assert::same([
+	'snippets' => [
+		'snippet-test-foo' => 'hello 123',
+	],
+], (array) $presenter->payload);
+Assert::same(1, $presenter['test']->counter);
+
+
+$presenter = new TestPresenter;
+$presenter->injectPrimary(null, null, null, new Http\Request(new Http\UrlScript('/')), new Http\Response);
+$presenter->snippetMode = true;
+$presenter->redrawControl('foo');
+$presenter['test']->redrawControl();
+$presenter->render();
+Assert::same([
+	'snippets' => [
+		'snippet-test-foo' => 'hello 123',
+	],
+], (array) $presenter->payload);
+Assert::same(2, $presenter['test']->counter);
+
+
+$presenter = new TestPresenter;
+$presenter->injectPrimary(null, null, null, new Http\Request(new Http\UrlScript('/')), new Http\Response);
+$presenter->snippetMode = true;
+$presenter['test']->redrawControl('foo');
+$presenter->render();
+Assert::same([
+	'snippets' => [
+		'snippet-test-foo' => 'hello 0',
+	],
+], (array) $presenter->payload);
+Assert::same(1, $presenter['test']->counter);