/**
* Adds a child to the composite.
*
* @param T_CompositeLeaf $child child to add
* @param string $key optional key to refer to composite.
* @return T_Form_MultiStep fluent interface
*/
function addChild(T_CompositeLeaf $child, $key = null)
{
if ($child instanceof T_Form_Step) {
if (!isset($key)) {
$key = $child->getAlias();
}
$this->steps[$key] = $child;
reset($this->steps);
// keep array pointer at start
$this->init();
return $this;
} else {
return parent::addChild($child, $key);
}
}
/**
* Add a child element.
*
* @param T_CompositeLeaf $child child input element object.
* @return T_Form_Group fluent interface
*/
function addChild(T_CompositeLeaf $child, $key = null)
{
if (!$key) {
$key = $child->getAlias();
}
$i = 1;
foreach ($this->children as $group) {
$block = clone $child;
$block->accept(new T_Form_SuffixAlias("_{$i}"));
$group->addChild($block, $key);
// ^ cloned and alias suffixed, and added to each group with
// original alias
$i++;
}
return $this;
}
/**
* Add a child element.
*
* Can override default behaviour by specifying a named key for the child,
* otherwise the element alias is used by default.
*
* @param T_CompositeLeaf $child child input element object.
* @return T_Form_Group fluent interface
*/
function addChild(T_CompositeLeaf $child, $key = null)
{
if (isset($key)) {
$this->children[$key] = $child;
} else {
$this->children[$child->getAlias()] = $child;
}
return $this;
}
