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https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
BUGFIX: Re-declare $items to be an ArrayList if it's null
getBackLink() modified to tolerate empty ArrayList
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@ -464,10 +464,12 @@ class GridFieldDetailForm_ItemRequest extends RequestHandler
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if ($toplevelController->hasMethod('Backlink')) {
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$backlink = $toplevelController->Backlink();
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} elseif ($this->popupController->hasMethod('Breadcrumbs')) {
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$parents = $this->popupController->Breadcrumbs(false)->items;
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$parents = $this->popupController->Breadcrumbs(false);
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if ($parents && $parents = $parents->items) {
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$backlink = array_pop($parents)->Link;
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}
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}
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}
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if (!$backlink) {
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$backlink = $toplevelController->Link();
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}
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@ -786,7 +788,10 @@ class GridFieldDetailForm_ItemRequest extends RequestHandler
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/** @var ArrayList $items */
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$items = $this->popupController->Breadcrumbs($unlinked);
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if ($items) {
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if (!$items) {
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$items = new ArrayList();
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}
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if ($this->record && $this->record->ID) {
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$title = ($this->record->Title) ? $this->record->Title : "#{$this->record->ID}";
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$items->push(new ArrayData([
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@ -799,7 +804,6 @@ class GridFieldDetailForm_ItemRequest extends RequestHandler
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'Link' => false
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]));
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}
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}
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$this->extend('updateBreadcrumbs', $items);
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return $items;
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