/**
* Check subpages for context from rootline
* method is called from hook "hook_checkEnableFields"
*
* @param array $arData key: pObj value: TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController (required)
* key: row value: page record to evaluate
* key: bypassGroupCheck value: boolean
*
* @return boolean false if context from root does not match
*/
public function checkEnableFields($arData)
{
$contexts = Tx_Contexts_Context_Container::get();
$bFindExtendSubPage = 0;
foreach (array_reverse($arData['pObj']->rootLine) as $page) {
//check extendtosubpages
if ($page['extendToSubpages'] == '0' && $bFindExtendSubPage == 0) {
continue;
} else {
$bFindExtendSubPage = 1;
}
$arEnable = explode(',', $page['tx_contexts_enable']);
foreach ($arEnable as $nContextId) {
if (!isset($contexts[$nContextId]) && $nContextId) {
return false;
}
}
$arDisable = explode(',', $page['tx_contexts_disable']);
foreach ($arDisable as $nContextId) {
if (isset($contexts[$nContextId]) && $nContextId) {
return false;
}
}
}
}
/**
* Match context by alias
*
* @param string $strContext alias from context entry
*
* @return boolean TRUE if context matches, FALSE if not
*/
public function matches($strContext)
{
if (isset($this->arMatches[$strContext])) {
return $this->arMatches[$strContext];
}
$container = Tx_Contexts_Context_Container::get();
$context = $container->find($strContext);
$this->arMatches[$strContext] = $context !== null;
return $this->arMatches[$strContext];
}
/**
* Context Typoscript Connector
*
* This function is for usage in Typo3 TypoScript to get match context directly.
*
* @param string $strContext context alias
*
* @return boolean True if it matches, false if not
*/
function user_contexts_matches($strContext)
{
static $initialized = false;
if (!$initialized) {
//load and resolve all contexts
Tx_Contexts_Context_Container::get()->initMatching();
$initialized = true;
}
return Tx_Contexts_Api_ContextMatcher::getInstance()->matches($strContext);
}
/**
* Display a textarea with validation for the entered aliases and expressions
*
* @param array $arFieldInfo Information about the current input field
* @param t3lib_tceforms $tceforms Form rendering library object
* @return string HTML code
*/
public function textCombinations($arFieldInfo, t3lib_tceforms $tceforms)
{
$text = $tceforms->getSingleField_typeText($arFieldInfo['table'], $arFieldInfo['field'], $arFieldInfo['row'], $arFieldInfo);
$evaluator = new Tx_Contexts_Context_Type_Combination_LogicalExpressionEvaluator();
$arTokens = $evaluator->tokenize($arFieldInfo['itemFormElValue']);
$arNotFound = array();
$arUnknownTokens = array();
foreach ($arTokens as $token) {
if (is_array($token) && $token[0] === Tx_Contexts_Context_Type_Combination_LogicalExpressionEvaluator::T_VAR) {
$contexts = Tx_Contexts_Context_Container::get()->initAll();
$bFound = false;
foreach ($contexts as $context) {
if ($context->getAlias() == $token[1]) {
$bFound = true;
}
}
if (!$bFound) {
$arNotFound[] = $token[1];
}
} elseif (is_array($token) && $token[0] === Tx_Contexts_Context_Type_Combination_LogicalExpressionEvaluator::T_UNKNOWN) {
$arUnknownTokens[] = $token[1];
}
}
if (!$arNotFound && !$arUnknownTokens) {
return $text;
}
$html = <<<HTM
{$text}<br />
<div class="typo3-message message-error">
<div class="message-body">
HTM;
if ($arNotFound) {
$strNotFound = implode(', ', $arNotFound);
$html .= <<<HTM
<div>
{$GLOBALS['LANG']->sL('LLL:EXT:contexts/Resources/Private/Language' . '/flexform.xml:aliasesNotFound')}: {$strNotFound}
</div>
HTM;
}
if ($arUnknownTokens) {
$strUnknownTokens = implode(', ', $arUnknownTokens);
$html .= <<<HTM
<div>
{$GLOBALS['LANG']->sL('LLL:EXT:contexts/Resources/Private/Language' . '/flexform.xml:unknownTokensFound')}: {$strUnknownTokens}
</div>
HTM;
}
$html .= <<<HTM
</div>
</div>
HTM;
return $html;
}
/**
* Tries to get if the setting is enabled by evaluating the flat columns
* within the record
*
* @param string $table Table name
* @param string $setting Setting name
* @param array $row Record array
*
* @return null|boolean NULL when table has no flat settings or the record
* doesn't contain the appropriate flat columns
* boolean otherwise
*/
protected static function isSettingEnabledFlat($table, $setting, array $row)
{
$flatColumns = Tx_Contexts_Api_Configuration::getFlatColumns($table, $setting);
if (!$flatColumns) {
return null;
}
$rowValid = true;
$flatColumnContents = array();
foreach ($flatColumns as $i => $flatColumn) {
if (!array_key_exists($flatColumn, $row)) {
t3lib_div::devLog('Missing flat field "' . $flatColumn . '"', 'tx_contexts', t3lib_div::SYSLOG_SEVERITY_WARNING, array('table' => $table, 'row' => $row));
$rowValid = false;
} elseif ($row[$flatColumn] !== '') {
$flatColumnContents[$i] = array_flip(explode(',', $row[$flatColumn]));
} else {
$flatColumnContents[$i] = array();
}
}
if (!$rowValid) {
return null;
}
foreach (Tx_Contexts_Context_Container::get() as $context) {
if (array_key_exists($context->getUid(), $flatColumnContents[0])) {
return false;
}
}
return true;
}
/**
* Render a checkbox for the default settings of records in
* this table
*
* @param array $params
* @param t3lib_TCEforms $fobj
* @return string
*/
public function renderDefaultSettingsField($params, $fobj)
{
global $TCA;
$table = $params['fieldConf']['config']['table'];
t3lib_div::loadTCA($table);
$content = '';
$namePre = str_replace('[default_settings_', '[default_settings][', $params['itemFormElName']);
/* @var $context Tx_Contexts_Context_Abstract */
$uid = (int) $params['row']['uid'];
$context = $uid ? Tx_Contexts_Context_Container::get()->initAll()->find($uid) : null;
foreach ($params['fieldConf']['config']['settings'] as $setting => $config) {
$id = $params['itemFormElID'] . '-' . $setting;
$name = $namePre . '[' . $setting . ']';
$content .= '<input type="hidden" name="' . $name . '" value="0"/>';
$content .= '<input class="checkbox" type="checkbox" name="' . $name . '" ';
if (!$context || !$context->hasSetting($table, $setting, 0) || $context->getSetting($table, $setting, 0)->getEnabled()) {
$content .= 'checked="checked" ';
}
$content .= 'value="1" id="' . $id . '" /> ';
$content .= '<label for="' . $id . '">';
$content .= $fobj->sL($config['label']);
$content .= '</label><br/>';
}
return $content;
}
/**
* Creates a string that can be used to identify the current
* context combination.
* Used for cache hash modification.
*
* @return string Hash modificator
*/
protected function getHashString()
{
$keys = array_keys(Tx_Contexts_Context_Container::get()->getArrayCopy());
sort($keys, SORT_NUMERIC);
return implode(',', $keys);
}