public function render(Register $Parameters, XMLDocument &$Document = NULL, DocumentHeaders &$Headers = NULL)
{
$ParameterOutput = new Register();
if (!is_null($Headers)) {
$Headers->append('Content-Type', $this->{'content-type'});
} else {
header('Content-Type: ' . $this->{'content-type'});
}
if (is_null($Document)) {
$Document = new XMLDocument();
$Document->appendChild($Document->createElement('data'));
}
$root = $Document->documentElement;
$datasources = $events = array();
$events_wrapper = $Document->createElement('events');
$root->appendChild($events_wrapper);
if (is_array($this->about()->{'events'}) && !empty($this->about()->{'events'})) {
$events = $this->about()->{'events'};
}
if (is_array($this->about()->{'data-sources'}) && !empty($this->about()->{'data-sources'})) {
$datasources = $this->about()->{'data-sources'};
}
####
# Delegate: FrontendEventsAppend
# Description: Append additional Events.
# Global: Yes
Extension::notify('FrontendEventsAppend', '/frontend/', array('events' => &$events));
if (!empty($events)) {
$postdata = General::getPostData();
$events_ordered = array();
foreach ($events as $handle) {
$events_ordered[] = Event::loadFromHandle($handle);
}
uasort($events_ordered, array($this, '__cbSortEventsByPriority'));
foreach ($events_ordered as $e) {
if (!$e->canTrigger($postdata)) {
continue;
}
$fragment = $e->trigger($ParameterOutput, $postdata);
if ($fragment instanceof DOMDocument && !is_null($fragment->documentElement)) {
$node = $Document->importNode($fragment->documentElement, true);
$events_wrapper->appendChild($node);
}
}
}
####
# Delegate: FrontendDataSourceAppend
# Description: Append additional DataSources.
# Global: Yes
Extension::notify('FrontendDataSourcesAppend', '/frontend/', array('datasources' => &$datasources));
// Find dependancies and order accordingly
$datasource_pool = array();
$dependency_list = array();
$datasources_ordered = array();
$all_dependencies = array();
foreach ($datasources as $handle) {
$datasource_pool[$handle] = Datasource::loadFromHandle($handle);
$dependency_list[$handle] = $datasource_pool[$handle]->parameters()->dependencies;
}
$datasources_ordered = $this->__sortByDependencies($dependency_list);
if (!empty($datasources_ordered)) {
foreach ($datasources_ordered as $handle) {
$ds = $datasource_pool[$handle];
try {
$fragment = $ds->render($ParameterOutput);
} catch (FrontendPageNotFoundException $e) {
FrontendPageNotFoundExceptionHandler::render($e);
}
if ($fragment instanceof DOMDocument && !is_null($fragment->documentElement)) {
$node = $Document->importNode($fragment->documentElement, true);
$root->appendChild($node);
}
}
}
if ($ParameterOutput->length() > 0) {
foreach ($ParameterOutput as $p) {
$Parameters->{$p->key} = $p->value;
}
}
####
# Delegate: FrontendParamsPostResolve
# Description: Access to the resolved param pool, including additional parameters provided by Data Source outputs
# Global: Yes
Extension::notify('FrontendParamsPostResolve', '/frontend/', array('params' => $Parameters));
$element = $Document->createElement('parameters');
$root->appendChild($element);
foreach ($Parameters as $key => $parameter) {
if (is_array($parameter->value) && count($parameter->value) > 1) {
$p = $Document->createElement($key);
$p->setAttribute('value', (string) $parameter);
foreach ($parameter->value as $v) {
$p->appendChild($Document->createElement('item', (string) $v));
}
$element->appendChild($p);
} else {
$element->appendChild($Document->createElement($key, (string) $parameter));
}
}
$template = $this->template;
####
# Delegate: FrontendTemplatePreRender
# Description: Access to the template source, before it is rendered.
# Global: Yes
Extension::notify('FrontendTemplatePreRender', '/frontend/', array('document' => $Document, 'template' => &$template));
$this->template = $template;
// When the XSLT executes, it uses the CWD as set here
$cwd = getcwd();
chdir(WORKSPACE);
$output = XSLProc::transform($Document, $this->template, XSLProc::XML, $Parameters->toArray(), array());
chdir($cwd);
if (XSLProc::hasErrors()) {
throw new XSLProcException('Transformation Failed');
}
/*
header('Content-Type: text/plain; charset=utf-8');
$Document->formatOutput = true;
print $Document->saveXML();
die();
*/
return $output;
}
public function delete($event)
{
/*
TODO:
Upon deletion of the event, views need to be updated to remove
it's associated with the event
*/
if (!$event instanceof Event) {
$event = Event::loadFromHandle($event);
}
$handle = $event->handle;
if (!$event->allowEditorToParse()) {
throw new EventException(__('Event cannot be deleted, the Editor does not have permission.'));
}
return General::deleteFile(EVENTS . "/{$handle}.php");
}
public function __viewInfo()
{
$event = Event::loadFromHandle($this->_context[1]);
$about = $event->about();
$this->setTitle(__('%1$s – %2$s – %3$s', array(__('Symphony'), __('Data Source'), $about->name)));
$this->appendSubheading($about->name);
$this->Form->setAttribute('id', 'controller');
$link = $about->author->name;
if (isset($about->author->website)) {
$link = Widget::Anchor($about->author->name, General::validateURL($about->author->website));
} elseif (isset($about->author->email)) {
$link = Widget::Anchor($about->author->name, 'mailto:' . $about->author->email);
}
foreach ($about as $key => $value) {
$fieldset = NULL;
switch ($key) {
case 'user':
$fieldset = $this->createElement('fieldset');
$fieldset->appendChild($this->createElement('legend', 'User'));
$fieldset->appendChild($this->createElement('p', $link));
break;
case 'version':
$fieldset = $this->createElement('fieldset');
$fieldset->appendChild($this->createElement('legend', 'Version'));
$fieldset->appendChild($this->createElement('p', $value . ', released on ' . DateTimeObj::get(__SYM_DATE_FORMAT__, strtotime($about->{'release-date'}))));
break;
case 'description':
$fieldset = $this->createElement('fieldset');
$fieldset->appendChild($this->createElement('legend', 'Description'));
$fieldset->appendChild(is_object($about->description) ? $about->description : $this->createElement('p', $about->description));
case 'example':
if (is_callable(array($datasource, 'example'))) {
$fieldset = $this->createElement('fieldset');
$fieldset->appendChild($this->createElement('legend', 'Example XML'));
$example = $datasource->example();
if (is_object($example)) {
$fieldset->appendChild($example);
} else {
$p = $this->createElement('p');
$p->appendChild($this->createElement('pre', '<code>' . str_replace('<', '<', $example) . '</code>'));
$fieldset->appendChild($p);
}
}
break;
}
if ($fieldset) {
$fieldset->setAttribute('class', 'settings');
$this->Form->appendChild($fieldset);
}
}
/*
$dl->appendChild(new XMLElement('dt', __('URL Parameters')));
if(!is_array($about['recognised-url-param']) || empty($about['recognised-url-param'])){
$dl->appendChild(new XMLElement('dd', '<code>'.__('None').'</code>'));
}
else{
$dd = new XMLElement('dd');
$ul = new XMLElement('ul');
foreach($about['recognised-url-param'] as $f) $ul->appendChild(new XMLElement('li', '<code>' . $f . '</code>'));
$dd->appendChild($ul);
$dl->appendChild($dd);
}
$fieldset->appendChild($dl);
*/
}
public function buildOutput()
{
$ParameterOutput = new Register();
$root = $this->document->documentElement;
$this->buildContextXML($root);
$datasources = $events = array();
$events_wrapper = $this->document->createElement('events');
$root->appendChild($events_wrapper);
if (is_array($this->about()->{'events'}) && !empty($this->about()->{'events'})) {
$events = $this->about()->{'events'};
}
if (is_array($this->about()->{'data-sources'}) && !empty($this->about()->{'data-sources'})) {
$datasources = $this->about()->{'data-sources'};
}
####
# Delegate: FrontendEventsAppend
# Description: Append additional Events.
# Global: Yes
Extension::notify('FrontendEventsAppend', '/frontend/', array('events' => &$events));
if (!empty($events)) {
$postdata = General::getPostData();
$events_ordered = array();
foreach ($events as $handle) {
$events_ordered[] = Event::loadFromHandle($handle);
}
uasort($events_ordered, array($this, '__cbSortEventsByPriority'));
foreach ($events_ordered as $e) {
if (!$e->canTrigger($postdata)) {
continue;
}
$fragment = $e->trigger($ParameterOutput, $postdata);
if ($fragment instanceof DOMDocument && !is_null($fragment->documentElement)) {
$node = $this->document->importNode($fragment->documentElement, true);
$events_wrapper->appendChild($node);
}
}
}
####
# Delegate: FrontendDataSourceAppend
# Description: Append additional DataSources.
# Global: Yes
Extension::notify('FrontendDataSourcesAppend', '/frontend/', array('datasources' => &$datasources));
// Find dependancies and order accordingly
$datasource_pool = array();
$dependency_list = array();
$datasources_ordered = array();
$all_dependencies = array();
foreach ($datasources as $handle) {
$datasource_pool[$handle] = Datasource::loadFromHandle($handle);
$dependency_list[$handle] = $datasource_pool[$handle]->parameters()->dependencies;
}
$datasources_ordered = General::dependenciesSort($dependency_list);
$data = $this->document->createElement('data');
if (!empty($datasources_ordered)) {
foreach ($datasources_ordered as $handle) {
$ds = $datasource_pool[$handle];
try {
$fragment = $ds->render($ParameterOutput);
} catch (FrontendPageNotFoundException $e) {
FrontendPageNotFoundExceptionHandler::render($e);
}
if ($fragment instanceof DOMDocument && !is_null($fragment->documentElement)) {
$node = $this->document->importNode($fragment->documentElement, true);
$data->appendChild($node);
}
}
}
$root->appendChild($data);
/*
if($ParameterOutput->length() > 0){
foreach($ParameterOutput as $p){
$Parameters->{$p->key} = $p->value;
}
}
####
# Delegate: FrontendParamsPostResolve
# Description: Access to the resolved param pool, including additional parameters provided by Data Source outputs
# Global: Yes
Extension::notify('FrontendParamsPostResolve', '/frontend/', array('params' => $Parameters));
####
# Delegate: FrontendTemplatePreRender
# Description: Access to the template source, before it is rendered.
# Global: Yes
Extension::notify(
'FrontendTemplatePreRender', '/frontend/', array(
'document' => $Document,
'template' => &$template
)
);
*/
return $this->transform();
}
