From 7d0aedde2789ad91eba36552dd88bb76e6af72f7 Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Wed, 20 Mar 2024 09:49:40 +0100
Subject: [PATCH] Undo BC break for nette/component-model < 3.1.0

Partly reverts the parent commit.
---
 composer.json      |  3 +--
 src/Multiplier.php | 30 +++++++++++++++++++++++-------
 2 files changed, 24 insertions(+), 9 deletions(-)

diff --git a/composer.json b/composer.json
index 45d201e..c83fef2 100644
--- a/composer.json
+++ b/composer.json
@@ -24,8 +24,7 @@
     "webchemistry/testing-helpers": "^4.0.0"
   },
   "conflict": {
-    "latte/latte": "<3.0.0",
-    "nette/component-model": "<3.1.0"
+    "latte/latte": "<3.0.0"
   },
   "autoload": {
     "psr-4": {
diff --git a/src/Multiplier.php b/src/Multiplier.php
index 2a63855..04efd0a 100644
--- a/src/Multiplier.php
+++ b/src/Multiplier.php
@@ -168,8 +168,10 @@ public function addCreateButton(?string $caption = null, int $copyCount = 1): Cr
 	 */
 	public function validate(?array $controls = null): void
 	{
-		/** @var Control[] $components */
+		/** @var iterable<Control> $components */
 		$components = $controls ?? $this->getComponents();
+		// Support both component-model ≥ 3.1 and < 3.1
+		$components = is_array($components) ? $components : iterator_to_array($components);
 
 		foreach ($components as $index => $control) {
 			foreach ($this->noValidate as $item) {
@@ -302,16 +304,21 @@ public function getControls(): Iterator
 	}
 
 	/**
-	 * @return array<int|string,Container>
+	 * @return Iterator<int|string,Container>
 	 */
-	public function getContainers(): iterable
+	public function getContainers(): Iterator
 	{
 		$this->createCopies();
 
+		/** @var iterable<int|string,Control> $components */
+		$components = $this->getComponents();
+		// Support both component-model ≥ 3.1 and < 3.1
+		$components = is_array($components) ? $components : iterator_to_array($components);
+
 		/** @var array<int|string,Container> $containers */
-		$containers = array_filter($this->getComponents(), fn ($component) => $component instanceof Container);
+		$containers = array_filter($components, fn ($component) => $component instanceof Container);
 
-		return $containers;
+		return new \ArrayIterator($containers);
 	}
 
 	/**
@@ -385,7 +392,12 @@ protected function loadHttpData(): void
 
 	protected function createNumber(): int
 	{
-		$count = count(array_filter($this->getComponents(), fn ($component) => $component instanceof Form));
+		/** @var iterable<int|string,Control> $components */
+		$components = $this->getComponents();
+		// Support both component-model ≥ 3.1 and < 3.1
+		$components = is_array($components) ? $components : iterator_to_array($components);
+
+		$count = count(array_filter($components, fn ($component) => $component instanceof Form));
 		while ($this->getComponent((string) $count, false)) {
 			$count++;
 		}
@@ -420,7 +432,11 @@ protected function createContainer(): Container
 	 */
 	protected function getFirstSubmit(): ?string
 	{
-		$submits = array_filter($this->getComponents(), fn ($component) => $component instanceof SubmitButton);
+		/** @var iterable<int|string,Control> $components */
+		$components = $this->getComponents();
+		// Support both component-model ≥ 3.1 and < 3.1
+		$components = is_array($components) ? $components : iterator_to_array($components);
+		$submits = array_filter($components, fn ($component) => $component instanceof SubmitButton);
 		if ($submits) {
 			return reset($submits)->getName();
 		}