[TYPO3-core] RFC #17388: Bug: TCA type "select", renderMode "tree", maxitems 1 doesn't work
marco.huber at marit.ag
Wed Mar 16 17:00:16 CET 2011
This is a GIT patch request.
Branches: 4.5, Trunk
I want to use the new TCA tree, but when I configure 1 as maxitems I
can't select a tree node.
This happens, because this.countSelectedNodes in
t3lib\js\extjs\tree\tree.js is 1 even when I create a new record. And
this.countSelectedNodes is 1 because $valueArray in
t3lib\tceforms\class.t3lib_tceforms_tree.php in the function renderField
always has at least one entry.
$valueArray is created by exploding $PA['itemFormElValue']. In fresh
records $PA['itemFormElValue'] is 0 and not NULL (or not set) and has no
other effects. But $valueArray has an entry and that's why
count($valueArray) is 1 and then this.countSelectedNodes is also 1.
To reproduce this issue you can use this TCA (Thanks to Steffen:
$GLOBALS['TCA']['pages']['columns']['fe_group']['config']['maxitems'] = 1;
'parentField' => 'subgroup',
'appearance' => array(
'expandAll' => TRUE,
'showHeader' => TRUE,
To fix this issue $PA['itemFormElValue'] should be only exploded if it's
not 0. Like I wrote before, this is done in
t3lib\tceforms\class.t3lib_tceforms_tree.php and fixed in the appended
Fixing this issue causes a little follow up in
t3lib\js\extjs\tree\tree.js. This is also fixed in the patch.
I hope the patch file's syntax is correct, this is my first git patch ;-)
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