public function __construct()
{
// Do the normal thing
parent::__construct();
// Since hidden fields are hidden (duh!), any validation errors
// they generate should be bubbled up to their parent
$this->set('bubble_errors', true);
}
/**
* Builds the FormView for the control. Passwords are special
* and the value field is never sent to the view. ie, password
* input elements always set value="" in a form
* @return \snb\form\FormView
*/
public function getView()
{
// Do the normal thing
$view = parent::getView();
// then trash the value in the view, as passwords
// should not appear in the html
$view->set('value', '');
return $view;
}
/**
* Generates a FormView element for this field, copying all the
* data over to the view in a view-friendly format
* @return \snb\form\FormView
*/
public function getView()
{
// Create the view
$view = parent::getView();
// Find out the value and force it to be true or false
$value = $this->get('value', false) ? true : false;
// we want to add the checked attribute if we can
if ($value) {
$attr = $this->get('attributes', array());
$attr['checked'] = 'checked';
$view->set('attributes', $attr);
}
// Always set the value in the checkbox control to 1
$view->set('value', 1);
// return it
return $view;
}
/**
* Build the view, which may consist of child elements
* @return \snb\form\FormView
*/
public function getView()
{
// Build the view
$view = parent::getView();
// If this set of choices is meant to be expanded,
// then generate the child controls.
$multiselect = $this->get('multiselect', false);
if ($this->get('expanded', false)) {
// yes, this is an expanded control
$choices = $this->get('choices', array());
// Get the value - make sure it is an array, as that simplifies the code below
$value = $this->get('value');
if (!is_array($value)) {
$value = array($value);
}
$checkedItemCount = 0;
$firstChild = null;
foreach ($choices as $key => $title) {
// make a checkbox for each item please.
$child = new FormView();
if ($firstChild == null) {
$firstChild = $child;
}
// We only copy over / set up a limited set of properties
// eg. if we copied "hint", every expanded item would have
// the same hint next to it
$child->set('id', $this->getId() . '-' . $key);
$child->set('label', $title);
$child->set('value', $key);
$child->set('name', $key);
// Decide if we want checkboxes or radio buttons
if ($multiselect) {
$child->set('type', 'checkbox');
$child->set('full_name', $this->getFullName() . '[' . $key . ']');
} else {
$child->set('type', 'radio');
$child->set('full_name', $this->getFullName());
}
// handle attributes
$attr = $this->get('attributes', array());
if ($this->get('readonly')) {
$attr['disabled'] = 'disabled';
}
// See if this item is checked or not
if (in_array($key, $value)) {
$attr['checked'] = 'checked';
$checkedItemCount++;
}
// Set any attributes on the control that we have been adjusting
$child->set('attributes', $attr);
// add it
$view->addChild($child);
}
// If we created radio buttons, and none of them were checked,
// then check the first one
if (!$multiselect && $checkedItemCount == 0 && $firstChild != null) {
$attr = $firstChild->get('attributes', array());
$attr['checked'] = 'checked';
$firstChild->set('attributes', $attr);
}
}
return $view;
}
