}
if (array_key_exists('port', $_GET)) {
$port = $_GET['port'];
}
if (array_key_exists('vt', $_GET)) {
$vtid = $_GET['vt'];
}
if (array_key_exists('version', $_GET)) {
$version = $_GET['version'];
}
if (array_key_exists('tag', $_GET)) {
$version_tag = $_GET['tag'];
if ($version_tag != '') {
$request = xmlrpc_encode_request('get_tag_version', array($host, $port, $dbname, $vtid, $version_tag));
$response = do_call($VT_HOST, $VT_PORT, $request);
$version = get_version_from_response($response);
}
}
if (array_key_exists('buildalways', $_GET)) {
$force_build = (bool) $_GET['buildalways'];
}
//echo $force_build;
//Check if vtid and version were provided
//echo $vtid . $version;
if ($vtid != '' and $version != '') {
//echo $host . $port . $dbname . $vtid . $version;
$request = xmlrpc_encode_request('get_wf_xml', array($host, $port, $dbname, $vtid, $version));
//echo $request;
$response = do_call($VT_HOST, $VT_PORT, $request);
$response = html_entity_decode($response);
header("Content-Type: text/xml");
function printVistrailTag($input, $params)
{
global $PATH_TO_IMAGES, $WEB_PATH_TO_IMAGES, $URL_TO_GRAPHS, $PATH_TO_GRAPHS, $VT_HOST, $VT_PORT, $USE_LOCAL_VISTRAILS_SERVER, $USE_VISTRAILS_XML_RPC_SERVER, $PATH_TO_VISTRAILS, $URL_TO_DOWNLOAD, $DB_HOST, $DB_NAME, $DB_PORT;
$host = $DB_HOST;
$dbname = $DB_NAME;
$username = "******";
$vtid = "";
$version = "";
$port = $DB_PORT;
$version_tag = "";
$execute = "False";
$showspreadsheetonly = "False";
$force_build = 'False';
$embedWorkflow = 'False';
$includeFullTree = 'False';
$forceDB = 'False';
$showTree = 'False';
$showWorkflow = 'False';
foreach ($params as $key => $value) {
if ($key == "vtid") {
$vtid = $value;
}
if ($key == "version") {
$version = $value;
}
if ($key == "host") {
$host = $value;
}
if ($key == "db") {
$dbname = $value;
}
if ($key == "port") {
$port = $value;
}
if ($key == "tag") {
$version_tag = $value;
if ($version_tag != '') {
$request = xmlrpc_encode_request('get_tag_version', array($host, $port, $dbname, $vtid, $version_tag));
$response = do_call($VT_HOST, $VT_PORT, $request);
$version = get_version_from_response($response);
//echo $version;
}
}
if ($key == "execute") {
$execute = $value;
}
if ($key == "showspreadsheetonly") {
$showspreadsheetonly = $value;
}
if ($key == "buildalways") {
$force_build = $value;
}
if ($key == 'embedworkflow') {
$embedWorkflow = $value;
}
if ($key == 'includefulltree') {
$includeFullTree = $value;
}
if ($key == 'forcedb') {
$forceDB = $value;
}
if ($key == 'showworkflow') {
$showWorkflow = $value;
}
if ($key == 'showtree') {
$showTree = $value;
}
}
$linkParams = "getvt=" . $vtid . "&version=" . $version . "&db=" . $dbname . "&host=" . $host . "&port=" . $port . "&tag=" . $version_tag . "&execute=" . $execute . "&showspreadsheetonly=" . $showspreadsheetonly . "&embedWorkflow=" . $embedWorkflow . "&includeFullTree=" . $includeFullTree . "&forceDB=" . $forceDB;
if (strcasecmp($showTree, 'True') == 0) {
$filename = md5($host . '_' . $dbname . '_' . $port . '_' . $vtid);
$filename = 'vistrails/' . $filename . ".png";
//this request is cached only on the server side
$request = xmlrpc_encode_request("get_vt_graph_png", array($host, $port, $dbname, $vtid, $USE_LOCAL_VISTRAILS_SERVER));
$response = do_call($VT_HOST, $VT_PORT, $request);
$result = clean_up($response, $filename);
list($width, $height, $type, $attr) = getimagesize($PATH_TO_GRAPHS . $result);
if ($width > 400) {
$width = 400;
}
$res = '<a href="' . $URL_TO_DOWNLOAD . '?' . $linkParams . '">';
$res = $res . '<img src="' . $URL_TO_GRAPHS . $result . "\" alt=\"vt_id:{$vtid}\" width=\"{$width}\"/>";
$res = $res . '</a>';
return $res;
} elseif (strcasecmp($showWorkflow, 'True') == 0) {
$filename = md5($host . '_' . $dbname . '_' . $port . '_' . $vtid . '_' . $version);
$filename = 'workflows/' . $filename . ".png";
$fullpath = $PATH_TO_GRAPHS . $filename;
$cached = file_exists($fullpath);
if ($USE_LOCAL_VISTRAILS_SERVER or (!$cached or strcasecmp($force_build, 'True') == 0)) {
$request = xmlrpc_encode_request("get_wf_graph_png", array($host, $port, $dbname, $vtid, $version, $USE_LOCAL_VISTRAILS_SERVER));
$response = do_call($VT_HOST, $VT_PORT, $request);
$result = clean_up($response, $filename);
} else {
$result = $filename;
}
list($width, $height, $type, $attr) = getimagesize($PATH_TO_GRAPHS . $result);
if ($width > 400) {
$width = 400;
}
$res = '<a href="' . $URL_TO_DOWNLOAD . '?' . $linkParams . '">';
$res = $res . '<img src="' . $URL_TO_GRAPHS . $result . "\" alt=\"vt_id:{$vtid} version:{$version}\" width=\"{$width}\"/>";
$res = $res . '</a>';
return $res;
} else {
$result = '';
$destdir = $PATH_TO_IMAGES;
$destversion = $host . '_' . $dbname . '_' . $port . '_' . $vtid . '_' . $version;
$destversion = md5($destversion);
$destdir = $destdir . $destversion;
$build_always_bool = False;
if (strcasecmp($force_build, 'True') == 0) {
$build_always_bool = True;
}
if (!path_exists_and_not_empty($destdir) or strcasecmp($force_build, 'True') == 0) {
if (!file_exists($destdir)) {
mkdir($destdir, 0770);
chmod($destdir, 0770);
}
if (!$USE_VISTRAILS_XML_RPC_SERVER) {
chdir($PATH_TO_VISTRAILS);
$setVariables = 'export PATH=$PATH:/usr/bin/X11;export HOME=/var/lib/wwwrun; export TEMP=/tmp; export DISPLAY=localhost:1.0; export LD_LIBRARY_PATH=/usr/local/lib;';
$mainCommand = 'python vistrails/run.py -b -e ' . $destdir . ' -t ' . host . ' -r ' . $port . ' -f ' . $dbname . ' -u ' . username . ' "' . $vtid . ':' . $version . '"';
$result = exec($setVariables . $mainCommand . ' 2>&1', $output, $result);
} else {
$request = xmlrpc_encode_request('run_from_db', array($host, $port, $dbname, $vtid, $destdir, $version, False, '', $build_always_bool, '', $USE_LOCAL_VISTRAILS_SERVER));
$response = do_call($VT_HOST, $VT_PORT, $request);
$result = multiple_clean_up($response, $destdir);
}
}
}
$files = scandir($destdir);
$n = sizeof($files);
if ($n > 2) {
$res = '<a href="' . $URL_TO_DOWNLOAD . '?' . $linkParams . '">';
foreach ($files as $filename) {
if ($filename != '.' and $filename != '..') {
list($width, $height, $type, $attr) = getimagesize($destdir . '/' . $filename);
if ($width > 350) {
$width = 350;
}
$res = $res . '<img src="' . $WEB_PATH_TO_IMAGES . $destversion . '/' . $filename . "\" alt=\"vt_id:{$vtid} version:{$version}\" width=\"{$width}\"/>";
}
}
$res = $res . '</a>';
} else {
$res = "ERROR: Vistrails didn't produce any image.\n" . "This is the output: \n" . $result;
}
return $res;
}