296 lines
8.7 KiB
PHP
296 lines
8.7 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\DomCrawler\Field;
|
|
|
|
/**
|
|
* ChoiceFormField represents a choice form field.
|
|
*
|
|
* It is constructed from an HTML select tag, or an HTML checkbox, or radio inputs.
|
|
*
|
|
* @author Fabien Potencier <fabien@symfony.com>
|
|
*/
|
|
class ChoiceFormField extends FormField
|
|
{
|
|
private string $type;
|
|
private bool $multiple;
|
|
private array $options;
|
|
private bool $validationDisabled = false;
|
|
|
|
/**
|
|
* Returns true if the field should be included in the submitted values.
|
|
*
|
|
* @return bool true if the field should be included in the submitted values, false otherwise
|
|
*/
|
|
public function hasValue(): bool
|
|
{
|
|
// don't send a value for unchecked checkboxes
|
|
if (\in_array($this->type, ['checkbox', 'radio']) && null === $this->value) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check if the current selected option is disabled.
|
|
*/
|
|
public function isDisabled(): bool
|
|
{
|
|
if (parent::isDisabled() && 'select' === $this->type) {
|
|
return true;
|
|
}
|
|
|
|
foreach ($this->options as $option) {
|
|
if ($option['value'] == $this->value && $option['disabled']) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Sets the value of the field.
|
|
*/
|
|
public function select(string|array|bool $value): void
|
|
{
|
|
$this->setValue($value);
|
|
}
|
|
|
|
/**
|
|
* Ticks a checkbox.
|
|
*
|
|
* @throws \LogicException When the type provided is not correct
|
|
*/
|
|
public function tick(): void
|
|
{
|
|
if ('checkbox' !== $this->type) {
|
|
throw new \LogicException(sprintf('You cannot tick "%s" as it is not a checkbox (%s).', $this->name, $this->type));
|
|
}
|
|
|
|
$this->setValue(true);
|
|
}
|
|
|
|
/**
|
|
* Unticks a checkbox.
|
|
*
|
|
* @throws \LogicException When the type provided is not correct
|
|
*/
|
|
public function untick(): void
|
|
{
|
|
if ('checkbox' !== $this->type) {
|
|
throw new \LogicException(sprintf('You cannot untick "%s" as it is not a checkbox (%s).', $this->name, $this->type));
|
|
}
|
|
|
|
$this->setValue(false);
|
|
}
|
|
|
|
/**
|
|
* Sets the value of the field.
|
|
*
|
|
* @throws \InvalidArgumentException When value type provided is not correct
|
|
*/
|
|
public function setValue(string|array|bool|null $value): void
|
|
{
|
|
if ('checkbox' === $this->type && false === $value) {
|
|
// uncheck
|
|
$this->value = null;
|
|
} elseif ('checkbox' === $this->type && true === $value) {
|
|
// check
|
|
$this->value = $this->options[0]['value'];
|
|
} else {
|
|
if (\is_array($value)) {
|
|
if (!$this->multiple) {
|
|
throw new \InvalidArgumentException(sprintf('The value for "%s" cannot be an array.', $this->name));
|
|
}
|
|
|
|
foreach ($value as $v) {
|
|
if (!$this->containsOption($v, $this->options)) {
|
|
throw new \InvalidArgumentException(sprintf('Input "%s" cannot take "%s" as a value (possible values: "%s").', $this->name, $v, implode('", "', $this->availableOptionValues())));
|
|
}
|
|
}
|
|
} elseif (!$this->containsOption($value, $this->options)) {
|
|
throw new \InvalidArgumentException(sprintf('Input "%s" cannot take "%s" as a value (possible values: "%s").', $this->name, $value, implode('", "', $this->availableOptionValues())));
|
|
}
|
|
|
|
if ($this->multiple) {
|
|
$value = (array) $value;
|
|
}
|
|
|
|
if (\is_array($value)) {
|
|
$this->value = $value;
|
|
} else {
|
|
parent::setValue($value);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds a choice to the current ones.
|
|
*
|
|
* @throws \LogicException When choice provided is not multiple nor radio
|
|
*
|
|
* @internal
|
|
*/
|
|
public function addChoice(\DOMElement $node): void
|
|
{
|
|
if (!$this->multiple && 'radio' !== $this->type) {
|
|
throw new \LogicException(sprintf('Unable to add a choice for "%s" as it is not multiple or is not a radio button.', $this->name));
|
|
}
|
|
|
|
$option = $this->buildOptionValue($node);
|
|
$this->options[] = $option;
|
|
|
|
if ($node->hasAttribute('checked')) {
|
|
$this->value = $option['value'];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the type of the choice field (radio, select, or checkbox).
|
|
*/
|
|
public function getType(): string
|
|
{
|
|
return $this->type;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the field accepts multiple values.
|
|
*/
|
|
public function isMultiple(): bool
|
|
{
|
|
return $this->multiple;
|
|
}
|
|
|
|
/**
|
|
* Initializes the form field.
|
|
*
|
|
* @throws \LogicException When node type is incorrect
|
|
*/
|
|
protected function initialize(): void
|
|
{
|
|
if ('input' !== $this->node->nodeName && 'select' !== $this->node->nodeName) {
|
|
throw new \LogicException(sprintf('A ChoiceFormField can only be created from an input or select tag (%s given).', $this->node->nodeName));
|
|
}
|
|
|
|
if ('input' === $this->node->nodeName && 'checkbox' !== strtolower($this->node->getAttribute('type')) && 'radio' !== strtolower($this->node->getAttribute('type'))) {
|
|
throw new \LogicException(sprintf('A ChoiceFormField can only be created from an input tag with a type of checkbox or radio (given type is "%s").', $this->node->getAttribute('type')));
|
|
}
|
|
|
|
$this->value = null;
|
|
$this->options = [];
|
|
$this->multiple = false;
|
|
|
|
if ('input' == $this->node->nodeName) {
|
|
$this->type = strtolower($this->node->getAttribute('type'));
|
|
$optionValue = $this->buildOptionValue($this->node);
|
|
$this->options[] = $optionValue;
|
|
|
|
if ($this->node->hasAttribute('checked')) {
|
|
$this->value = $optionValue['value'];
|
|
}
|
|
} else {
|
|
$this->type = 'select';
|
|
if ($this->node->hasAttribute('multiple')) {
|
|
$this->multiple = true;
|
|
$this->value = [];
|
|
$this->name = str_replace('[]', '', $this->name);
|
|
}
|
|
|
|
$found = false;
|
|
foreach ($this->xpath->query('descendant::option', $this->node) as $option) {
|
|
$optionValue = $this->buildOptionValue($option);
|
|
$this->options[] = $optionValue;
|
|
|
|
if ($option->hasAttribute('selected')) {
|
|
$found = true;
|
|
if ($this->multiple) {
|
|
$this->value[] = $optionValue['value'];
|
|
} else {
|
|
$this->value = $optionValue['value'];
|
|
}
|
|
}
|
|
}
|
|
|
|
// if no option is selected and if it is a simple select box, take the first option as the value
|
|
if (!$found && !$this->multiple && $this->options) {
|
|
$this->value = $this->options[0]['value'];
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns option value with associated disabled flag.
|
|
*/
|
|
private function buildOptionValue(\DOMElement $node): array
|
|
{
|
|
$option = [];
|
|
|
|
$defaultDefaultValue = 'select' === $this->node->nodeName ? '' : 'on';
|
|
$defaultValue = (isset($node->nodeValue) && $node->nodeValue) ? $node->nodeValue : $defaultDefaultValue;
|
|
$option['value'] = $node->hasAttribute('value') ? $node->getAttribute('value') : $defaultValue;
|
|
$option['disabled'] = $node->hasAttribute('disabled');
|
|
|
|
return $option;
|
|
}
|
|
|
|
/**
|
|
* Checks whether given value is in the existing options.
|
|
*
|
|
* @internal
|
|
*/
|
|
public function containsOption(string $optionValue, array $options): bool
|
|
{
|
|
if ($this->validationDisabled) {
|
|
return true;
|
|
}
|
|
|
|
foreach ($options as $option) {
|
|
if ($option['value'] == $optionValue) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns list of available field options.
|
|
*
|
|
* @internal
|
|
*/
|
|
public function availableOptionValues(): array
|
|
{
|
|
$values = [];
|
|
|
|
foreach ($this->options as $option) {
|
|
$values[] = $option['value'];
|
|
}
|
|
|
|
return $values;
|
|
}
|
|
|
|
/**
|
|
* Disables the internal validation of the field.
|
|
*
|
|
* @internal
|
|
*
|
|
* @return $this
|
|
*/
|
|
public function disableValidation(): static
|
|
{
|
|
$this->validationDisabled = true;
|
|
|
|
return $this;
|
|
}
|
|
}
|