1 files changed, 122 insertions, 0 deletions
diff --git a/vendor/ipl/html/src/FormElement/FieldsetElement.php b/vendor/ipl/html/src/FormElement/FieldsetElement.php
new file mode 100644
index 0000000..0d70ea4
--- /dev/null
+++ b/vendor/ipl/html/src/FormElement/FieldsetElement.php
@@ -0,0 +1,122 @@
+<?php
+
+namespace ipl\Html\FormElement;
+
+use InvalidArgumentException;
+use ipl\Html\Contract\FormElement;
+use ipl\Html\Contract\FormElementDecorator;
+use ipl\Html\Contract\Wrappable;
+use LogicException;
+
+use function ipl\Stdlib\get_php_type;
+
+class FieldsetElement extends BaseFormElement
+{
+    use FormElements {
+        FormElements::getValue as private getElementValue;
+    }
+
+    protected $tag = 'fieldset';
+
+    /**
+     * Get whether any of this set's elements has a value
+     *
+     * @return bool
+     */
+    public function hasValue()
+    {
+        foreach ($this->getElements() as $element) {
+            if ($element->hasValue()) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public function getValue($name = null, $default = null)
+    {
+        if ($name === null) {
+            if ($default !== null) {
+                throw new LogicException("Can't provide default without a name");
+            }
+
+            return $this->getValues();
+        }
+
+        return $this->getElementValue($name, $default);
+    }
+
+    public function setValue($value)
+    {
+        if (! is_iterable($value)) {
+            throw new InvalidArgumentException(
+                sprintf(
+                    '%s expects parameter $value to be an array|iterable, got %s instead',
+                    __METHOD__,
+                    get_php_type($value)
+                )
+            );
+        }
+
+        // We expect an array/iterable here,
+        // so call populate to loop through it and apply values to the child elements of the fieldset.
+        $this->populate($value);
+
+        return $this;
+    }
+
+    public function validate()
+    {
+        $this->ensureAssembled();
+
+        $this->valid = true;
+        foreach ($this->getElements() as $element) {
+            $element->validate();
+            if (! $element->isValid()) {
+                $this->valid = false;
+            }
+        }
+
+        if ($this->valid) {
+            parent::validate();
+        }
+
+        return $this;
+    }
+
+    public function getValueAttribute()
+    {
+        // Fieldsets do not have the value attribute.
+        return null;
+    }
+
+    public function setWrapper(Wrappable $wrapper)
+    {
+        // TODO(lippserd): Revise decorator implementation to properly implement decorator propagation
+        if (
+            ! $this->hasDefaultElementDecorator()
+            && $wrapper instanceof FormElementDecorator
+        ) {
+            $this->setDefaultElementDecorator(clone $wrapper);
+        }
+
+        return parent::setWrapper($wrapper);
+    }
+
+    protected function onElementRegistered(FormElement $element)
+    {
+        $element->getAttributes()->registerAttributeCallback('name', function () use ($element) {
+            /**
+             * We don't change the {@see BaseFormElement::$name} property of the element,
+             * otherwise methods like {@see FormElements::populate() and {@see FormElements::getElement()} would fail,
+             * but only change the name attribute to nest the names.
+             */
+            return sprintf(
+                '%s[%s]',
+                $this->getValueOfNameAttribute(),
+                $element->getName()
+            );
+        });
+    }
+}