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Form.php
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Form.php
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<?php
/*
* This file is part of the Panther project.
*
* (c) Kévin Dunglas <dunglas@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace Symfony\Component\Panther\DomCrawler;
use Facebook\WebDriver\Exception\NoSuchElementException;
use Facebook\WebDriver\JavaScriptExecutor;
use Facebook\WebDriver\Support\XPathEscaper;
use Facebook\WebDriver\WebDriver;
use Facebook\WebDriver\WebDriverBy;
use Facebook\WebDriver\WebDriverElement;
use Facebook\WebDriver\WebDriverSelect;
use Facebook\WebDriver\WebDriverSelectInterface;
use Symfony\Component\DomCrawler\Field\FormField;
use Symfony\Component\DomCrawler\Form as BaseForm;
use Symfony\Component\Panther\DomCrawler\Field\ChoiceFormField;
use Symfony\Component\Panther\DomCrawler\Field\FileFormField;
use Symfony\Component\Panther\DomCrawler\Field\InputFormField;
use Symfony\Component\Panther\DomCrawler\Field\TextareaFormField;
use Symfony\Component\Panther\ExceptionThrower;
use Symfony\Component\Panther\WebDriver\WebDriverCheckbox;
/**
* @author Kévin Dunglas <dunglas@gmail.com>
*/
final class Form extends BaseForm
{
use ExceptionThrower;
/**
* @var WebDriverElement
*/
private $button;
/**
* @var WebDriverElement
*/
private $element;
private $webDriver;
public function __construct(WebDriverElement $element, WebDriver $webDriver)
{
$this->webDriver = $webDriver;
$this->setElement($element);
$this->currentUri = $webDriver->getCurrentURL();
}
private function setElement(WebDriverElement $element)
{
$this->button = $element;
$tagName = $element->getTagName();
if ('button' === $tagName || ('input' === $tagName && \in_array(\strtolower($element->getAttribute('type')), ['submit', 'button', 'image'], true))) {
if (null !== $formId = $element->getAttribute('form')) {
// if the node has the HTML5-compliant 'form' attribute, use it
try {
$form = $this->webDriver->findElement(WebDriverBy::id($formId));
} catch (NoSuchElementException $e) {
throw new \LogicException(\sprintf('The selected node has an invalid form attribute (%s).', $formId));
}
$this->element = $form;
return;
}
// we loop until we find a form ancestor
do {
try {
$element = $element->findElement(WebDriverBy::xpath('..'));
} catch (NoSuchElementException $e) {
throw new \LogicException('The selected node does not have a form ancestor.');
}
} while ('form' !== $element->getTagName());
} elseif ('form' !== $tagName = $element->getTagName()) {
throw new \LogicException(\sprintf('Unable to submit on a "%s" tag.', $tagName));
}
$this->element = $element;
}
public function getButton(): ?WebDriverElement
{
return $this->element === $this->button ? null : $this->button;
}
public function getElement(): WebDriverElement
{
return $this->element;
}
public function getFormNode()
{
throw $this->createNotSupportedException(__METHOD__);
}
public function setValues(array $values)
{
foreach ($values as $name => $value) {
$this->setValue($name, $value);
}
return $this;
}
/**
* Gets the field values.
*
* The returned array does not include file fields (@see getFiles).
*
* @return array An array of field values
*/
public function getValues()
{
$values = [];
foreach ($this->element->findElements(WebDriverBy::xpath('.//input[@name] | .//textarea[@name] | .//select[@name] | .//button[@name]')) as $element) {
$name = $element->getAttribute('name');
$type = $element->getAttribute('type');
if ('file' === $type) {
continue;
}
$value = $this->getValue($element);
$isArrayElement = \is_array($value) && '[]' === \substr($name, -2);
if ($isArrayElement) {
// compatibility with the DomCrawler API
$name = \substr($name, 0, -2);
}
if ('checkbox' === $type) {
if (!$value) {
// Remove non-checked checkboxes
continue;
}
// Flatten non array-checkboxes
if (\is_array($value) && !$isArrayElement && 1 === \count($value)) {
$value = $value[0];
}
}
$values[$name] = $value;
}
return $values;
}
public function getFiles()
{
if (!\in_array($this->getMethod(), ['POST', 'PUT', 'DELETE', 'PATCH'], true)) {
return [];
}
$files = [];
foreach ($this->all() as $field) {
if ($field->isDisabled()) {
continue;
}
if ($field instanceof Field\FileFormField) {
$files[$field->getName()] = $field->getValue();
}
}
return $files;
}
public function getMethod()
{
if (null !== $this->method) {
return $this->method;
}
// If the form was created from a button rather than the form node, check for HTML5 method override
if ($this->button !== $this->element && null !== $this->button->getAttribute('formmethod')) {
return \strtoupper($this->button->getAttribute('formmethod'));
}
return $this->element->getAttribute('method') ? \strtoupper($this->element->getAttribute('method')) : 'GET';
}
public function has($name)
{
try {
$this->getFormElement($name);
} catch (NoSuchElementException $e) {
return false;
}
return true;
}
public function remove($name)
{
throw $this->createNotSupportedException(__METHOD__);
}
public function set(FormField $field)
{
$this->setValue($field->getName(), $field->getValue());
}
public function get($name)
{
return $this->getFormField($this->getFormElement($name));
}
public function all()
{
$fields = [];
foreach ($this->getAllElements() as $element) {
$fields[] = $this->getFormField($element);
}
return $fields;
}
public function offsetExists($name)
{
return $this->has($name);
}
public function offsetGet($name)
{
return $this->get($name);
}
public function offsetSet($name, $value)
{
$this->setValue($name, $value);
}
public function offsetUnset($name)
{
throw $this->createNotSupportedException(__METHOD__);
}
protected function getRawUri()
{
// If the form was created from a button rather than the form node, check for HTML5 action overrides
if ($this->element !== $this->button && null !== $this->button->getAttribute('formaction')) {
return $this->button->getAttribute('formaction');
}
return (string) $this->element->getAttribute('action');
}
/**
* @throws NoSuchElementException
*/
private function getFormElement(string $name): WebDriverElement
{
return $this->element->findElement(WebDriverBy::xpath(
\sprintf('.//input[@name=%1$s] | .//textarea[@name=%1$s] | .//select[@name=%1$s] | .//button[@name=%1$s] | .//input[@name=%2$s] | .//textarea[@name=%2$s] | .//select[@name=%2$s] | .//button[@name=%2$s]', XPathEscaper::escapeQuotes($name), XPathEscaper::escapeQuotes($name.'[]'))
));
}
private function getFormField(WebDriverElement $element): FormField
{
$tagName = $element->getTagName();
if ('textarea' === $tagName) {
return new TextareaFormField($element);
}
$type = $element->getAttribute('type');
if ('select' === $tagName || ('input' === $tagName && ('radio' === $type || 'checkbox' === $type))) {
return new ChoiceFormField($element);
}
if ('input' === $tagName && 'file' === $type) {
return new FileFormField($element);
}
return new InputFormField($element);
}
/**
* @return WebDriverElement[]
*/
private function getAllElements(): array
{
return $this->element->findElements(WebDriverBy::xpath('.//input[@name] | .//textarea[@name] | .//select[@name] | .//button[@name]'));
}
private function getWebDriverSelect(WebDriverElement $element): ?WebDriverSelectInterface
{
$type = $element->getAttribute('type');
$tagName = $element->getTagName();
$select = 'select' === $tagName;
if (!$select && ('input' !== $tagName || ('radio' !== $type && 'checkbox' !== $type))) {
return null;
}
return $select ? new WebDriverSelect($element) : new WebDriverCheckbox($element);
}
/**
* @return string|array
*/
private function getValue(WebDriverElement $element)
{
if (null === $webDriverSelect = $this->getWebDriverSelect($element)) {
if (!$this->webDriver instanceof JavaScriptExecutor) {
throw new \RuntimeException('To retrieve this value, the browser must support JavaScript.');
}
return $this->webDriver->executeScript('return arguments[0].value', [$element]);
}
if (!$webDriverSelect->isMultiple()) {
$selectedOption = $webDriverSelect->getFirstSelectedOption();
return $selectedOption->getAttribute('value') ?? $selectedOption->getText();
}
$values = [];
foreach ($webDriverSelect->getAllSelectedOptions() as $selectedOption) {
$values[] = $selectedOption->getAttribute('value') ?? $selectedOption->getText();
}
return $values;
}
/**
* @param mixed $value
*/
private function setValue(string $name, $value): void
{
try {
$element = $this->element->findElement(WebDriverBy::name($name));
} catch (NoSuchElementException $e) {
if (!\is_array($value)) {
throw $e;
}
// Compatibility with the DomCrawler API
$element = $this->element->findElement(WebDriverBy::name($name.'[]'));
}
if (null === $webDriverSelect = $this->getWebDriverSelect($element)) {
$element->clear();
$element->sendKeys($value);
return;
}
if (!\is_array($value)) {
$webDriverSelect->selectByValue((string) $value);
return;
}
foreach ($value as $v) {
$webDriverSelect->selectByValue((string) $v);
}
}
}