typo3 - Get data from one table with foreign_table and update to another in TCA -

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i'm modifying image upload extension , i'm working on feature images can placed in categories.

right categories listed in select field uses foreign_table categories table (called tx_gallery_categories) , when saved category id (the value in option field) saved table called tx_gallery_items.

but column no longer needed (i wrong first time). depending on category choose want tca update table called tx_gallery_itemscategory , set categoryid itemid equal saved images uid

here tca (i have removed other columns beside categoryid) , categoryid 1 want move out this, think, , in it's own tca connected tx_gallery_itemscategory:

$tca["tx_gallery_items"] = array ( "ctrl" => $tca["tx_gallery_items"]["ctrl"], "interface" => array (     "showrecordfieldlist" => "hidden,oid,filename, videoembedcode,caption" ), "feinterface" => $tca["tx_gallery_items"]["feinterface"], "columns" => array (     "categoryid" => array (              "exclude" => 1,              "label" => "lll:ext:gc_gallery/locallang_db.xml:tx_gallery_items.categories",                "config" => array (             "type" => "select",             "foreign_table" => "tx_gallery_categories",             // "foreign_table_where" => " true"             // "itemsprocfunc" => "tx_gallery_getimagecategories->getcategories"             // 'default' => '123'         )     ), ), "types" => array (     "0" => array("showitem" => "hidden, oid, filename, categoryid, videoembedcode, caption, linkpid") ) );  $tca["tx_gallery_categories"] = array ( "ctrl" => $tca["tx_gallery_categories"]["ctrl"], "interface" => array (     "showrecordfieldlist" => "categorytitle" ), "feinterface" => $tca["tx_gallery_categories"]["feinterface"], "columns" => array (     "categorytitle" => array (               "exclude" => 0,              "label" => "lll:ext:gc_gallery/locallang_db.xml:tx_gallery_items.categories",                "config" => array (             "type" => "text",             "cols" => "30",              "rows" => "5",         )     ) ), "types" => array (     "0" => array("showitem" => "categorytitle") )

);

but instead of working want save images uid tx_gallery_items table called tx_gallery_itemscategory many many table between tx_gallery_items , tx_gallery_categories

here tables:

tx_gallery_items:   uid | pid | ... (and many more uid relevant)   432 | 34  | ...  tx_gallery_itemscategory:   id | itemid | categoryid   1  | 432    | 1  tx_gallery_categories:   uid | pid | categorytitle      1   | 34  | example category

and here ext_tables.php

$tca["tx_gallery_items"] = array ( "ctrl" => array (     'title'     => 'lll:ext:gc_gallery/locallang_db.xml:tx_gallery_items',     'label'     => 'filename',     'tstamp'    => 'tstamp',     'crdate'    => 'crdate',     'cruser_id' => 'cruser_id',     'sortby' => 'sorting',     'delete' => 'deleted',     'enablecolumns' => array (         'disabled' => 'hidden',     ),     'dynamicconfigfile' => t3lib_extmgm::extpath($_extkey).'tca.php',     'iconfile'          => t3lib_extmgm::extrelpath($_extkey).'icon_tx_gallery_items.gif', ), "feinterface" => array (     "fe_admin_fieldlist" => "hidden, oid, filename, category, videoembedcode, caption, linkpid, categoryid", ) );  $tca["tx_gallery_categories"] = array ( "ctrl" => array (     'title'     => 'lll:ext:gc_gallery/locallang_db.xml:tx_gallery_items',     'label'     => 'categorytitle',     'tstamp'    => 'tstamp',     'sortby' => 'sorting',     'delete' => 'deleted',     // 'enablecolumns' => array (         // 'disabled' => 'hidden',     // ),     'dynamicconfigfile' => t3lib_extmgm::extpath($_extkey).'tca.php',     'iconfile'          => t3lib_extmgm::extrelpath($_extkey).'icon_tx_gallery_items.gif', ), // "feinterface" => array (     // "fe_admin_fieldlist" => "uid, pid, categorytitle, categorydescription, tstamp, sorting, deleted, hidden, categoryslug", // ) );

so question (i think) how can uid current image user editing , save table.

this first try tca , i'm confused on how connected. hope knows better me :) thanks.

there hook concept implemented in tcemain component. there 1 called processdatamap_postprocessfieldarray invoked when record saved in backend. thus, can check whether it's "yours" , other queries or whatever want change.

there an example of how use feature. although pretty old, should still working way.


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