/**
* Parses and intantiates templates.
* This method is invoked when <b>OnDataBinding</b> event is raised.
* It parses and instantiates all assoicated templates for the
* repeater control and raises related events.
* This method should only used by control developers.
* @param TEventParameter event parameter
*/
protected function onDataBinding($param)
{
parent::onDataBinding($param);
$this->setViewState('Items', null, null);
$this->removeChildren();
$this->removeBodies();
$this->items = array();
$this->itemCount = 0;
$this->header = null;
$this->footer = null;
$showEmpty = count($this->dataSource) <= 0 && strlen($this->emptyTemplate);
if (is_null($this->dataSource)) {
return;
}
if (strlen($this->headerTemplate) && !$showEmpty) {
$header = pradoGetApplication()->createComponent('TRepeaterItem', self::ID_HEADER);
$header->setType(TRepeaterItem::TYPE_HEADER);
$header->instantiateTemplate($this->headerTemplate);
$this->header = $header;
$this->addChild($header);
$this->addBody($header);
$p = new TRepeaterItemEventParameter();
$p->item = $header;
$this->onItemCreated($p);
}
$count = 0;
//when the datasource is empty
if ($showEmpty) {
$empty = pradoGetApplication()->createComponent('TRepeaterItem', self::ID_EMPTY);
$empty->setType(TRepeaterItem::TYPE_EMPTY);
$empty->instantiateTemplate($this->emptyTemplate);
$this->addChild($empty);
$this->addBody($empty);
$p = new TRepeaterItemEventParameter();
$p->item = $empty;
$this->onItemCreated($p);
}
foreach ($this->dataSource as $key => $value) {
if ($this->itemCount > 0 && strlen($this->separatorTemplate)) {
$separator = pradoGetApplication()->createComponent('TRepeaterItem');
$separator->setType(TRepeaterItem::TYPE_SEPARATOR);
$separator->instantiateTemplate($this->separatorTemplate);
$separator->setID(self::ID_SEPARATOR . "{$count}");
$this->addChild($separator);
$this->addBody($separator);
$p = new TRepeaterItemEventParameter();
$p->item = $separator;
$this->onItemCreated($p);
}
$item = null;
if ($count % 2 == 1 && strlen($this->alternatingItemTemplate)) {
$item = pradoGetApplication()->createComponent('TRepeaterItem');
$item->instantiateTemplate($this->alternatingItemTemplate);
} else {
if (strlen($this->itemTemplate)) {
$item = pradoGetApplication()->createComponent('TRepeaterItem');
$item->instantiateTemplate($this->itemTemplate);
}
}
if (!is_null($item)) {
$item->setID(self::ID_ITEM . "{$count}");
$item->setIndex($key);
$item->setItemIndex($count);
$item->setData($value);
$this->addChild($item);
$this->addBody($item);
$this->items[$this->itemCount] = $item;
$this->itemCount++;
$p = new TRepeaterItemEventParameter();
$p->item = $item;
$this->onItemCreated($p);
}
$count++;
}
if (strlen($this->footerTemplate) && !$showEmpty) {
$footer = pradoGetApplication()->createComponent('TRepeaterItem', self::ID_FOOTER);
$footer->setType(TRepeaterItem::TYPE_FOOTER);
$footer->instantiateTemplate($this->footerTemplate);
$this->footer = $footer;
$this->addChild($footer);
$this->addBody($footer);
$p = new TRepeaterItemEventParameter();
$p->item = $footer;
$this->onItemCreated($p);
}
}
