protected static function prepareReferencedElementName($referencePath, $datasetName, $elementName) {
$referencedElementName = $elementName;
if (isset($referencePath)) {
$nestedReference = ReferencePathHelper::assembleReference($datasetName, $elementName);
$referencedElementName = ReferencePathHelper::assembleReferencePath(array($nestedReference, $referencePath));
}
return $referencedElementName;
}
protected static function prepareListColumnMappings(array $cubes = NULL, array $parsedUIMetaDataNames) {
$columnMappings = NULL;
foreach ($parsedUIMetaDataNames as $columnName => $parsedUIMetaDataName) {
$datasetColumnName = NULL;
if ($parsedUIMetaDataName instanceof AttributeParsedUIMetaDataName) {
$cube = isset($cubes[$parsedUIMetaDataName->datasetName]) ? $cubes[$parsedUIMetaDataName->datasetName] : NULL;
if (isset($cube)) {
$dimension = $cube->getDimension($parsedUIMetaDataName->name);
$references = NULL;
if (isset($parsedUIMetaDataName->columnName)) {
$column = $cube->factsDataset->getColumn($dimension->attributeColumnName);
$branch = $column->findBranch($parsedUIMetaDataName->columnName);
// the dimension column can be a branch, not a dimension dataset column
if (!isset($branch) && isset($dimension->datasetName)) {
list($adjustedDimensionDatasetName) = gd_data_controller_metamodel_adjust_dataset_name($dimension->datasetName);
$references[] = ReferencePathHelper::assembleReference($adjustedDimensionDatasetName, $parsedUIMetaDataName->columnName);
}
}
if (isset($references)) {
$references[] = ReferencePathHelper::assembleReference($cube->factsDatasetName, $dimension->attributeColumnName);
$datasetColumnName = ReferencePathHelper::assembleReferencePath($references);
}
else {
$datasetColumnName = isset($parsedUIMetaDataName->columnName)
? $parsedUIMetaDataName->columnName
: $dimension->attributeColumnName;
}
}
else {
$datasetColumnName = $parsedUIMetaDataName->name;
}
}
elseif ($parsedUIMetaDataName instanceof FormulaAttributeParsedUIMetaDataName) {
$datasetColumnName = $parsedUIMetaDataName->name;
}
elseif ($parsedUIMetaDataName instanceof FormulaMeasureParsedUIMetaDataName) {
$datasetColumnName = $parsedUIMetaDataName->name;
}
if (isset($datasetColumnName)) {
$columnMappings[$columnName] = $datasetColumnName;
}
}
return $columnMappings;
}
public static function selectReferencedColumnNames4ReferenceLink(array $linkExecutionStack, array $columnNames = NULL) {
if (!isset($columnNames)) {
return NULL;
}
$selectedColumnNames = NULL;
$linkExecutionStackSize = count($linkExecutionStack);
foreach ($columnNames as $columnName) {
$columnNameReferences = ReferencePathHelper::splitReferencePath($columnName);
$referenceSegmentCount = count($columnNameReferences);
for ($referenceSegmentIndex = $referenceSegmentCount - 1, $stackPreviousIndex = -1; $referenceSegmentIndex >= 0; $referenceSegmentIndex--) {
$reference = $columnNameReferences[$referenceSegmentIndex];
list($referencedDatasetName, $referencedColumnName) = ReferencePathHelper::splitReference($reference);
if (isset($referencedDatasetName)) {
// looking for related link in stack
$foundInStack = FALSE;
for ($stackIndex = ($stackPreviousIndex + 1); ($stackIndex < $linkExecutionStackSize) && !$foundInStack; $stackIndex++) {
$stackLink = $linkExecutionStack[$stackIndex];
if ($referencedDatasetName != $stackLink->dataset->name) {
continue;
}
// checking parent column name
if (($stackIndex < $linkExecutionStackSize - 1) && ($referenceSegmentIndex > 0)) {
$nextStackLine = $linkExecutionStack[$stackIndex + 1];
// checking number of columns. It has to be single column
if (count($nextStackLine->parentColumnNames) > 1) {
break;
}
// checking if the parent column matches
if (!in_array($referencedColumnName, $nextStackLine->parentColumnNames)) {
break;
}
}
$stackPreviousIndex = $stackIndex;
$foundInStack = TRUE;
}
if (!$foundInStack) {
break;
}
// we did not reach end of the execution stack
if ($stackPreviousIndex < ($linkExecutionStackSize - 1)) {
continue;
}
}
else {
if ($linkExecutionStackSize > 1) {
// this column belongs to root link but we are working with nested link
break;
}
}
// original column name would be only the portion of the reference path
$adjustedColumnName = ReferencePathHelper::assembleReferencePath(array_slice($columnNameReferences, $referenceSegmentIndex));
$selectedColumnNames[$adjustedColumnName] = $referencedColumnName;
break;
}
}
return $selectedColumnNames;
}
