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;
}
protected function __prepareForm()
{
$this->editing = isset($this->_context[1]);
if (!$this->editing) {
$this->type = $_REQUEST['type'];
if (is_null($this->type)) {
$this->type = Symphony::Configuration()->core()->{'default-datasource-type'};
}
// Should the default type or the selected type no longer be valid, choose the first available one instead
if (!in_array($this->type, array_keys($this->types))) {
$this->type = current(array_keys($this->types));
}
foreach ($this->types as $type) {
if ($type->class != $this->type) {
continue;
}
$this->datasource = new $type->class();
$this->datasource->prepare(isset($_POST['fields']) ? $_POST['fields'] : NULL);
break;
}
} else {
$this->handle = $this->_context[1];
// Status message:
$callback = Administration::instance()->getPageCallback();
if (isset($callback['flag']) && !is_null($callback['flag'])) {
$this->status = $callback['flag'];
}
$this->datasource = Datasource::loadFromHandle($this->handle);
$this->type = $this->datasource->getType();
$this->datasource->prepare(isset($_POST['fields']) ? $_POST['fields'] : NULL);
if (!$this->datasource->allowEditorToParse()) {
redirect(ADMIN_URL . '/blueprints/datasources/info/' . $this->handle . '/');
}
}
}
public function delete($datasource)
{
/*
TODO:
Upon deletion of the event, views need to be updated to remove
it's associated with the event
*/
if (!$datasource instanceof DataSource) {
$datasource = Datasource::loadFromHandle($datasource);
}
$handle = $datasource->handle;
if (!$datasource->allowEditorToParse()) {
throw new DataSourceException(__('Datasource cannot be deleted, the Editor does not have permission.'));
}
return General::deleteFile(DATASOURCES . "/{$handle}.php");
}
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();
}
