[TYPO3] My own tt_news display item.

[Mathias R. Wulff]

Please let me know if my question is unclear!


  - Mathias

Mathias R. Wulff skrev:
> 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