FormMacros: added {formPrint $form}

Author: dg

src/Bridges/FormsLatte/FormMacros.php

@@ -14,6 +14,7 @@
 use Latte\MacroNode;
 use Latte\Macros\MacroSet;
 use Latte\PhpWriter;
+use Nette\Forms;
 
 
 /**
@@ -36,6 +37,7 @@ public static function install(Latte\Compiler $compiler): void
 		$me->addMacro('input', [$me, 'macroInput']);
 		$me->addMacro('name', [$me, 'macroName'], [$me, 'macroNameEnd'], [$me, 'macroNameAttr']);
 		$me->addMacro('inputError', [$me, 'macroInputError']);
+		$me->addMacro('formPrint', [$me, 'macroFormPrint']);
 	}
 
 
@@ -240,4 +242,57 @@ public function macroInputError(MacroNode $node, PhpWriter $writer)
 			return $writer->write('echo %escape(end($this->global->formsStack)[%0.word]->getError());', $name);
 		}
 	}
+
+
+	/**
+	 * {formPrint [ClassName]}
+	 */
+	public function macroFormPrint(MacroNode $node, PhpWriter $writer)
+	{
+		$name = $node->tokenizer->fetchWord();
+		if ($name == null) { // null or false
+			throw new CompileException('Missing form name in ' . $node->getNotation());
+		}
+		$node->tokenizer->reset();
+		return $writer->write(
+			__CLASS__ . '::macroFromPrintRuntime('
+			. ($name[0] === '$' ? 'is_object(%node.word) ? %node.word : ' : '')
+			. '$this->global->uiControl[%node.word]);'
+		);
+	}
+
+
+	/**
+	 * Generates blueprint of form.
+	 */
+	public static function macroFromPrintRuntime($form): void
+	{
+		$dummy = new Forms\Form;
+		foreach ($form->getControls() as $name => $input) {
+			if ($input instanceof Forms\Controls\Hidden) {
+				continue;
+			}
+			$dummyControl = new class extends Forms\Controls\BaseControl {
+				public function getLabel($name = null)
+				{
+					return '{label ' . $this->getName() . '}';
+				}
+
+
+				public function getControl()
+				{
+					return '{input ' . $this->getName() . '}';
+				}
+			};
+			$dummy->addComponent($dummyControl->setRequired($input->isRequired()), (string) $name);
+		}
+		$dummy->setRenderer($form->getRenderer());
+
+		ob_end_clean();
+		header('Content-Type: text/plain');
+		echo '<form n:name="' . $form->getName() . '">';
+		echo $dummy->render('body');
+		echo '</form>';
+		exit;
+	}
 }