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Store current page before marking tree nodes (fixes #4137, fixes silverstripe/silverstripe-cms#1135)

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This commit is contained in:
Loz Calver 2015-05-07 16:01:24 +01:00
parent 5f5662b069
commit 8b4a9a3988
1 changed files with 7 additions and 4 deletions
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11
admin/code/LeftAndMain.php
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@ -811,6 +811,12 @@ class LeftAndMain extends Controller implements PermissionProvider {
// Get the tree root
$record = ($rootID) ? $this->getRecord($rootID) : null;
$obj = $record ? $record : singleton($className);
// Get the current page
// NOTE: This *must* be fetched before markPartialTree() is called, as this
// causes the Hierarchy::$marked cache to be flushed (@see CMSMain::getRecord)
// which means that deleted pages stored in the marked tree would be removed
$currentPage = $this->currentPage();
// Mark the nodes of the tree to return
if ($filterFunction) $obj->setMarkingFilterFunction($filterFunction);
@ -818,10 +824,7 @@ class LeftAndMain extends Controller implements PermissionProvider {
$obj->markPartialTree($nodeCountThreshold, $this, $childrenMethod, $numChildrenMethod);
// Ensure current page is exposed
// This call flushes the Hierarchy::$marked cache when the current node is deleted
// @see CMSMain::getRecord()
// This will make it impossible to show children under a deleted parent page
// if($p = $this->currentPage()) $obj->markToExpose($p);
if($currentPage) $obj->markToExpose($currentPage);
// NOTE: SiteTree/CMSMain coupling :-(
if(class_exists('SiteTree')) {