[TYPO3] My own tt_news display item.

[Mathias R. Wulff]

Hi.

I’m trying to make my own element in the tt_news list of what to display 
(In the list of latest, single, amenu, search, catmenu.....)

I have succeeded in connecting with the hook in tt_news for this 
purpose, but tt_news expects some kind of object instead of a string as 
return value from my own script.

so what have I done?:

Created my own plugin in
typo3conf/ext//mrw_newscal

where

the file
typo3conf/ext//mrw_newscal/ext_tables.php
contents

<?PHP
if (TYPO3_MODE=='BE')    {

$GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['tt_news']['what_to_display'][] = 
array('LISTBYMONTH', 'LISTBYMONTH');

}
?>

seam to work correct. The element is shown in the list.

______________

the file typo3conf/ext//mrw_newscal/ext_localconf.php
contents
<?php
if (TYPO3_MODE!='BE')
{
require_once(t3lib_extMgm::extPath('mrw_newscal').'class.mrw_newscal.php');
}
$TYPO3_CONF_VARS['EXTCONF']['tt_news']['extraCodesHook'][] = 'mrw_newscal';
?>

_____________

Finally the file
typo3conf/ext//mrw_newscal/class.mrw_newscal.php
<?php

require_once(PATH_tslib."class.tslib_pibase.php");
class mrw_newscal extends tslib_pibase{

     function extraCodesProcessor($parentObject) {
     $content = "";
     switch($parentObject->theCode) {
          case "LISTBYMONTH":
             $content ="LISTBYMONTH works!";
             return $content;
     }
}
}
?>

Where the return statement is a string.

The output was suppose to be "LISTBYMONTH works!" but instead its an error:

Fatal error: Call to a member function on a non-object in 
/typo3conf/ext/tt_news/pi/class.tx_ttnews.php on line 186

hmm. The code in

# line 182
// Adds hook for processing of extra codes

# line 183
if 
(is_array($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['tt_news']['extraCodesHook'])) 
{

# line 184
foreach($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['tt_news']['extraCodesHook'] 
as $_classRef) {

# line 185
$_procObj = & t3lib_div::getUserObj($_classRef);

# line 186
$content .= $_procObj->extraCodesProcessor($this);

# line 187
}

# line 188
} else {


So the problem occurs in
$content .= $_procObj->extraCodesProcessor($this);

Probably because the line above
$_procObj = & t3lib_div::getUserObj($_classRef);

concatenates an existing object with the return from my 
extraCodesProcessor (a string).

Does anybody know what kind of object to return?


   - Mathias