/**
* Execute and display a template script.
*
* @param string $tpl The name of the template file to parse; automatically searches through the template paths.
*
* @return mixed A string if successful, otherwise a Error object.
*/
public function display($tpl = null)
{
$app = JFactory::getApplication();
$state = $this->get('State');
$params = $state->params;
$items = $this->get('Items');
$pagination = $this->get('Pagination');
$dispatcher = JEventDispatcher::getInstance();
// Check for errors.
if (count($errors = $this->get('Errors'))) {
JError::raiseWarning(500, implode("\n", $errors));
return false;
}
// PREPARE THE DATA
if ($app->input->getString('layout', 'default') != 'blog') {
}
// Compute the selectie slugs and set the trigger events.
foreach ($items as $i => &$item) {
// Add router helpers.
$item->slug = $item->alias ? $item->id . ':' . $item->alias : $item->id;
//
// Process the knvbapi2 plugins.
//
JPluginHelper::importPlugin('knvbapi2');
$dispatcher->trigger('onSelectiePrepare', array('com_knvbapi2.selectie', &$item, &$item->params, $i));
$item->event = new stdClass();
$results = $dispatcher->trigger('onSelectieAfterName', array('com_knvbapi2.selectie', &$item, &$item->params, $i));
$item->event->afterDisplaySelectieName = JString::trim(implode("\n", $results));
$results = $dispatcher->trigger('onSelectieBeforeDisplay', array('com_knvbapi2.selectie', &$item, &$item->params, $i));
$item->event->beforeDisplaySelectie = JString::trim(implode("\n", $results));
$results = $dispatcher->trigger('onSelectieAfterDisplay', array('com_knvbapi2.selectie', &$item, &$item->params, $i));
$item->event->afterDisplaySelectie = JString::trim(implode("\n", $results));
$dispatcher = JEventDispatcher::getInstance();
}
if ($app->input->getString('layout', 'default') == 'blog') {
// Get the metrics for the structural page layout.
$num_leading = (int) $params->def('selectie_num_leading', 1);
$num_intro = (int) $params->def('selectie_num_intro', 4);
$num_links = (int) $params->def('selectie_num_links', 4);
// Preprocess the breakdown of leading, intro and linked selecties.
// This makes it much easier for the designer to just interogate the arrays.
$max = count($items);
// The first group is the leading selecties.
$limit = $num_leading;
for ($i = 0; $i < $limit and $i < $max; $i++) {
$this->lead_items[$i] =& $items[$i];
}
// The second group is the intro selecties.
$limit = $num_leading + $num_intro;
// Order selecties across, then down (or single column mode)
for ($i = $num_leading; $i < $limit and $i < $max; $i++) {
$this->intro_items[$i] =& $items[$i];
}
$this->columns = max(1, $params->def('selectie_num_columns', 1));
$order = $params->def('selectie_multi_column_order', 1);
if ($order == 0 and $this->columns > 1) {
// call order down helper
$this->intro_items = Knvbapi2HelperQuery::orderDownColumns($this->intro_items, $this->columns);
}
// The remainder are the links.
$limit = $num_leading + $num_intro + $num_links;
for ($i = $num_leading + $num_intro; $i < $limit and $i < $max; $i++) {
$this->link_items[$i] =& $items[$i];
}
}
//Escape strings for HTML output
$this->pageclass_sfx = htmlspecialchars($params->get('pageclass_sfx'));
$this->params =& $params;
$this->state =& $state;
$this->items =& $items;
$this->pagination =& $pagination;
$this->prepareDocument();
parent::display($tpl);
}
