/**
* Returns predefined text for a newly created page (only via Halo AJAX API)
*
* @param Title $title current Title
* @param string $categoryTemplate template name (without namespace prefix)
* @param hash array $parameterMappings (name=>value)
* @return string predefined text
*/
public static function getPredefinitions($title, $template, $parameterMappings)
{
self::$title = $title;
// parse template parameters
$rev = Revision::newFromTitle(Title::newFromText($template, NS_TEMPLATE));
if (is_null($rev)) {
return "";
}
$text = $rev->getText();
preg_match_all('/\\{\\{\\{([^}]+)\\}\\}\\}/', $text, $matches);
// serialize template with predefined values
$resultText = "\n{{" . $template;
$parameters = array_unique($matches[1]);
for ($i = 0; $i < count($parameters); $i++) {
$parameters[$i] = trim(str_replace("|", "", $parameters[$i]));
}
foreach ($parameters as $m) {
if ($m == '') {
continue;
}
if (array_key_exists($m, $parameterMappings)) {
$mappedValue = self::mappedValue($parameterMappings[$m]);
$resultText .= "\n|{$m}=" . $mappedValue;
} else {
$resultText .= "\n|{$m}=";
}
}
// adds additional parameters not found in the template
$additionalParameters = array_diff(array_keys($parameterMappings), $parameters);
foreach ($additionalParameters as $sp) {
$mappedValue = self::mappedValue($parameterMappings[$sp]);
if ($sp != '') {
$resultText .= "\n|{$sp}=" . $mappedValue;
}
}
$resultText .= "\n}}\n";
return $resultText;
}
/**
* Creates a new article or appends some text if it already
* exists. This function is invoked by an ajax call.
*
* @param string $title
* The name of the article
* @param string $user
* The name of the user
* @param string $content
* The initial content of the article. It is only set if the article
* is newly created.
* @param string optionalText
* This text is appended to the article, if it is not already part
* of it. The text may contain variables of the language files
* that are replaced by their representation.
* @param string creationComment
* This text describes why the article has been created.
*
* @return string Comma separated list:
* bool success
* <true> if the operation was successful.
* bool created
* <true> if the article was created,
* <false> if it was only modified
* <denied> if the permission was denied
* string title
* Title of the (new) article
*
*/
function smwf_om_CreateArticle($title, $user, $content, $optionalText, $creationComment)
{
global $smwgContLang, $smwgHaloContLang;
$success = false;
$created = true;
$title = strip_tags($title);
if ($title == '') {
return "false";
}
if (smwf_om_userCan($title, 'create') === "false") {
return "false,denied,{$title}";
}
$title = Title::newFromText($title);
// add predefined content if configured
global $smwhgAutoTemplates, $smwhgAutoTemplatesParameters;
if (isset($smwhgAutoTemplates)) {
if (array_key_exists($title->getNamespace(), $smwhgAutoTemplates)) {
require_once 'SMW_Predefinitions.php';
$mappings = array_key_exists($title->getNamespace(), $smwhgAutoTemplatesParameters) ? $smwhgAutoTemplatesParameters[$title->getNamespace()] : array();
$metadataText = SMWPredefinitions::getPredefinitions($title, $smwhgAutoTemplates[$title->getNamespace()], $mappings);
$content = $metadataText . $content;
}
}
$article = new Article($title);
if ($article->exists()) {
// The article exists => get its current content. The passed content
// will be ignored.
$text = $article->getContent();
if ($text === false) {
return "false,false," . $title . getText();
}
$content = $text;
$created = false;
}
if (!empty($optionalText)) {
$supportedConstants = array("_SUBP", "SMW_SSP_HAS_DOMAIN_AND_RANGE_HINT", "SMW_SSP_HAS_MAX_CARD", "SMW_SSP_HAS_MIN_CARD", "_TYPE", "_rec", "_LIST");
// Some optional text is given
$sp = $smwgContLang->getPropertyLabels() + $smwgContLang->getDatatypeLabels();
$ssp = $smwgHaloContLang->getSpecialSchemaPropertyArray();
$num = count($supportedConstants);
for ($i = 0; $i < $num; $i++) {
$constant = $supportedConstants[$i];
$pos = strpos($optionalText, $constant);
if ($pos) {
$langString = "Unsupported constant";
if (strpos($constant, "SMW_SSP_") !== false) {
$langString = $ssp[constant($constant)];
} else {
$langString = $sp[$constant];
}
$optionalText = str_replace($constant, $langString, $optionalText);
}
}
// does the optional text already exist?
if ($article->exists()) {
$pos = strpos($content, $optionalText);
if ($pos === false) {
// optional text not found => append it
$content .= $optionalText;
}
} else {
// The article will be created with content and optional text
$content .= $optionalText;
}
}
// Set the article's content
$success = $article->doEdit($content, $creationComment);
return ($success ? "true," : "false,") . ($created ? "true," : "false,") . $title->getNsText() . ":" . $title->getText();
}