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JungleJap
PostPosted: Tue Apr 10, 2012 11:16 pm 
Joomla! Apprentice
Joomla! Apprentice

Joined: Mon Mar 20, 2006 4:51 pm
Posts: 28
Hello there,

I am developing a custom component for Joomla! 2.5 and its admin page contains a multi-select list. I've created this by adding the following to XML definition file.
Code:
<field name="destination" type="airportnamelist"
         multiple="true"
         size="10"
         class="inputbox"
         label="COM_FLIGHTS_FLIGHTS_FIELD_DESTINATION_LABEL"
         description="COM_FLIGHTS_FLIGHTS_FIELD_DESTINATION_DESC"
         required="true"
      />

and the option for the list is generated by the function below
Code:
public static function getAirportNameOptions()
   {
      // Initialize variables.
      $options = array();

      $db      = JFactory::getDbo();
      $query   = $db->getQuery(true);

      $query->select('code As value, name As text');
      $query->from('#__flights_airports');
      $query->where('published = 1');
      $query->order('ordering');

      // Get the options.
      $db->setQuery($query);

      $options = $db->loadObjectList();

      // Check for a database error.
      if ($db->getErrorNum()) {
         JError::raiseWarning(500, $db->getErrorMsg());
      }

      return $options;
   }

Now, while I can save the selected values to the database, I cannot work out how to make this multi-select list to highlight the saved values. Can anyone tell me how to do this? I looked through tutorials and forums but I didn't find anything related to this :(

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uzJoomla
PostPosted: Tue May 01, 2012 7:23 pm 
Joomla! Fledgling
Joomla! Fledgling

Joined: Tue May 01, 2012 7:21 pm
Posts: 1
You need to use implode on saving it as comma separated array and explode on displaying.

Following is a detailed guide on doing that.

http://joomla-answers.[URL banned].com/2012 ... -view.html
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