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| author | version | line-number | content |
|---|---|---|---|
 |
1.1 | 1 | {{velocity output='false'}} |
| 2 | #* | ||
| 3 | * Sort a list of XWiki objects using a property as comparator. | ||
| 4 | * | ||
| 5 | * @param inputObjects the list of XWiki objects to sort. | ||
| 6 | * @param propertyName the name of the XWiki object property to sort the inputObjects by. Multiple values for the same | ||
| 7 | * property are allowed. | ||
| 8 | * @param outputObjects the list where to append the sorted objects. This list must not be null and should be empty | ||
| 9 | * before calling the macro. | ||
| 10 | *# | ||
| 11 | #macro (sortXWikiObjectsList $inputObjects $propertyName $outputObjects) | ||
| 12 | #set ($objectsMap = {}) | ||
| 13 | #foreach ($object in $inputObjects) | ||
| 14 | #set ($key = $object.getValue($propertyName)) | ||
| 15 | #set ($sameKeyObjects = $objectsMap.get($key)) | ||
| 16 | #if (!$sameKeyObjects) | ||
| 17 | #set ($sameKeyObjects = []) | ||
| 18 | #set ($discard = $objectsMap.put($key, $sameKeyObjects)) | ||
| 19 | #end | ||
| 20 | #set ($discard = $sameKeyObjects.add($object)) | ||
| 21 | #end | ||
| 22 | #foreach ($key in $properSortTool.sort($objectsMap.keySet())) | ||
| 23 | #set ($sameKeyObjects = $objectsMap.get($key)) | ||
| 24 | #foreach ($sameKeyObject in $sameKeyObjects) | ||
| 25 | #set ($discard = $outputObjects.add($sameKeyObject)) | ||
| 26 | #end | ||
| 27 | #end | ||
| 28 | #end | ||
| 29 | |||
| 30 | #macro (defineSortTool $sortToolVariable) | ||
| 31 | #set ($checkedExtension = "org.xwiki.commons:xwiki-commons-velocity") | ||
| 32 | ## Because of an API collision, $collectionstool has been replaced by $collectiontool in XCOMMONS-1861 | ||
| 33 | #if ($services.extension.core.getCoreExtension($checkedExtension).id.version.compareTo("12.1-SNAPSHOT") >= 0) | ||
| 34 | #setVariable ($sortToolVariable, $collectiontool) | ||
| 35 | ## With the upgrade of Velocity $sorttool has been replaced by $collectionstool (XCOMMONS-1296) | ||
| 36 | #elseif ($services.extension.core.getCoreExtension($checkedExtension).id.version.compareTo("12.0-SNAPSHOT") >= 0) | ||
| 37 | #setVariable ($sortToolVariable, $collectionstool) | ||
| 38 | ## Old API for sorting was $sorttool | ||
| 39 | #else | ||
| 40 | #setVariable ($sortToolVariable, $sorttool) | ||
| 41 | #end | ||
| 42 | #end | ||
| 43 | |||
| 44 | #defineSortTool("$properSortTool") | ||
| 45 | {{/velocity}} |