/**
* This function returns information about the versions on this topic.
* - Version permissions: unreleased, preview, or released
* - Version age: older, latest, or newer
* Since a Topic can have multiple versions, it's possible for a single topic to be in unreleased, preview, released, older,
* latest, AND newer versions AT THE SAME TIME!
* This information can be used by skins to change UI based on the version features.
*
* @return array
*/
public function getVersionClasses()
{
$productName = PonyDocsProduct::getSelectedProduct();
$versionClasses = array();
$releasedVersions = PonyDocsProductVersion::GetReleasedVersions($productName);
// Just the names of our released versions
$releasedNames = array();
foreach ($releasedVersions as $ver) {
$releasedNames[] = strtolower($ver->getVersionName());
}
$previewVersions = PonyDocsProductVersion::GetPreviewVersions($productName);
// Just the names of our preview versions
$previewNames = array();
foreach ($previewVersions as $ver) {
$previewNames[] = strtolower($ver->getVersionName());
}
$latestVersion = PonyDocsProductVersion::GetLatestReleasedVersion($productName);
foreach ($this->versions as $version) {
$versionName = strtolower($version->getVersionName());
// Is this version released, preview, or unreleased?
if (in_array($versionName, $releasedNames)) {
$versionClasses['released'] = TRUE;
} elseif (in_array($versionName, $previewNames)) {
$versionClasses['preview'] = TRUE;
} else {
$versionClasses['unreleased'] = TRUE;
}
// Is this version older or later or equal to the current version?
if ($latestVersion) {
if (PonyDocs_ProductVersionCmp($version, $latestVersion) < 0) {
$versionClasses['older'] = TRUE;
} elseif (PonyDocs_ProductVersionCmp($version, $latestVersion) > 0) {
$versionClasses['newer'] = TRUE;
} else {
$versionClasses['latest'] = TRUE;
}
}
}
return array_keys($versionClasses);
}
