/**
* Create form with repeat buttons.
* Add is always displayed, delete displayed when > 1 instances.
* Up displayed for all instances except the first.
* Down displayed for all instances except the last.
*
* @param DOMNode $node the current node
* @param int $i index of the current instance
* @param int $size the number of instances
*/
private function addRepeatButtons($node, $i, $size)
{
$addButton = $this->htmlButton('add.png', 'add');
$deleteButton = $size > 1 ? $this->htmlButton('delete.png', 'delete') : '';
$upButton = $i > 0 ? $this->htmlButton('up.png', 'up') : '';
$downButton = $i < $size - 1 ? $this->htmlButton('down.png', 'down') : '';
$reference = new Reference($this->name, $i);
$url = htmlspecialchars(new Common\PageURL(null, array('field' => (string) $reference) + $_GET));
$id = htmlspecialchars($reference->toId());
$this->addButtonHtml($node, <<<END
<form method="post" action="{$url}" id="{$id}">
{$addButton}
{$deleteButton}
{$upButton}
{$downButton}
</form>
END
);
}
protected function actionDisplay()
{
if (!isset($_POST['submit'])) {
ob_end_clean();
echo $this->mergeTemplateWithMessage(true);
exit;
}
$mm = new MessageModel($_GET['id'], $this->dao);
$messageAreas = $mm->messageAreas();
$ref = Reference::decode(stripslashes($_REQUEST['field']));
$idRef = clone $ref;
switch ($_POST['submit']) {
case 'save':
$newValue = $_POST['content'];
if ($ref->repeat) {
$messageAreas[$ref->repeat][$ref->instance][$ref->name] = $newValue;
} else {
$messageAreas[$ref->name] = $newValue;
}
$mm->replaceMessageAreas($messageAreas);
break;
case 'cancel':
break;
case 'add':
if (!isset($messageAreas[$ref->repeat])) {
$messageAreas[$ref->repeat] = array();
}
array_splice($messageAreas[$ref->repeat], $ref->instance + 1, 0, array(array()));
$mm->replaceMessageAreas($messageAreas);
$idRef->instance += 1;
break;
case 'delete':
if (isset($messageAreas[$ref->repeat][$ref->instance])) {
unset($messageAreas[$ref->repeat][$ref->instance]);
$messageAreas[$ref->repeat] = array_values($messageAreas[$ref->repeat]);
$mm->replaceMessageAreas($messageAreas);
$idRef->instance = $idRef->instance > 0 ? --$idRef->instance : $idRef->instance;
}
break;
case 'up':
if (isset($messageAreas[$ref->repeat][$ref->instance]) && isset($messageAreas[$ref->repeat][$ref->instance - 1])) {
$temp = $messageAreas[$ref->repeat][$ref->instance - 1];
$messageAreas[$ref->repeat][$ref->instance - 1] = $messageAreas[$ref->repeat][$ref->instance];
$messageAreas[$ref->repeat][$ref->instance] = $temp;
$mm->replaceMessageAreas($messageAreas);
$idRef->instance -= 1;
}
break;
case 'down':
if (isset($messageAreas[$ref->repeat][$ref->instance]) && isset($messageAreas[$ref->repeat][$ref->instance + 1])) {
$temp = $messageAreas[$ref->repeat][$ref->instance + 1];
$messageAreas[$ref->repeat][$ref->instance + 1] = $messageAreas[$ref->repeat][$ref->instance];
$messageAreas[$ref->repeat][$ref->instance] = $temp;
$mm->replaceMessageAreas($messageAreas);
$idRef->instance += 1;
}
break;
case 'hide':
$messageAreas[$ref->name][0]['_hidden'] = true;
$mm->replaceMessageAreas($messageAreas);
break;
case 'unhide':
$messageAreas[$ref->name][0]['_hidden'] = false;
$mm->replaceMessageAreas($messageAreas);
break;
default:
}
$query = $_GET;
unset($query['field']);
$redirect = new PageURL('message_page', $query, $idRef->toId());
header('Location: ' . $redirect);
exit;
}