/**
* Checks if a resource exists and returns it if so.
*
* @param string $filename The resource name
* @param bool $return_url If true returns an URL, else returns true or false depending on if the resource exists
* @param bool $as_local_path If true returns not URL, but a filepath in local filesystem. Needs $return_url=true.
* @param bool $nocache If true skips all internal caches and peforms a search now
* @return string Depending on $return_url returns: (the resource URL or false on error) OR (true or false)
*/
function resourceExists($filename, $return_url = false, $as_local_path = false, $nocache = false)
{
global $CONFIG;
$cnc = substr(appendVersion('/'), 1);
$key = (isSSL() ? "resource_ssl_{$filename}" : "resource_{$filename}") . "_{$cnc}" . ($as_local_path ? "_l" : "");
if (!$nocache && ($res = cache_get($key)) !== false) {
return $return_url ? $res : $res != "0";
}
$ext = pathinfo($filename, PATHINFO_EXTENSION);
$reg = "/(^{$ext}\$|^{$ext}\\||\\|{$ext}\$)/i";
foreach ($CONFIG['resources'] as $conf) {
if (strpos("|" . $conf['ext'] . "|", "|" . $ext . "|") === false) {
continue;
}
if (!file_exists($conf['path'] . '/' . $filename)) {
continue;
}
if ($as_local_path) {
return $conf['path'] . '/' . $filename;
}
$nc = $conf['append_nc'] ? $cnc : '';
$res = can_nocache() ? $conf['url'] . $nc . $filename : $conf['url'] . $filename . "?_nc=" . substr($nc, 2, -1);
if (!$nocache) {
cache_set($key, $res);
}
return $return_url ? $res : true;
}
cache_set($key, "0");
return false;
}
function Prepare($async = false, &$handler = false, $method = false)
{
global $CONFIG;
if ($async) {
if (!$handler || !$method) {
WdfException::Raise("Data handler and method needed for asynchronous charts");
}
$data_url = buildQuery($handler->id, $method);
} else {
if ($handler && $method) {
$data = $handler->{$method}($this);
}
// else
// $data = $this->CleanupXML($this->RenderXML());
}
$str_data = $this->Title ? $this->Title : '';
$swfurl = $CONFIG['system']['system_uri'] . appendVersion("/modules/charting/charts/" . $this->Type . ".swf");
$swfurl .= "?PBarLoadingText=" . urlencode($str_data . ":\n" . getString(tds("TXT_CHART_LOADING", 'loading')));
$swfurl .= "&ChartNoDataText=" . urlencode($str_data . ":\n" . getString(tds("TXT_NO_DATA_FOUND", 'no data found')));
$swfurl .= "&InvalidXMLText=" . urlencode($str_data . ":\n" . getString(tds("TXT_CHART_INVALID_XML", 'invalid XML')));
$settings = array('swfurl' => $swfurl, 'chartid' => $this->id, 'width' => $this->Width, 'height' => $this->Height, 'debug' => 0);
if (isset($data)) {
$settings['data'] = $data;
} elseif (isset($data_url)) {
$settings['dataurl'] = $data_url;
}
$this->_script = array();
$this->script("initFusionChart(" . json_encode($settings) . ");");
}