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'filter_state',
'filter_state');
$filter_catid = $mainframe->getUserStateFromRequest(
>$option.'filter_catid',
Chapter 8
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'filter_catid');
$filter_search = $mainframe->getUserStateFromRequest(
>$option.'filter_search',
'filter_search');
// set the table filter values
$lists['state'] = JHTML::_('grid.state', $filter_state);
$js = 'onchange="document.adminForm.submit();"';
$lists['catid'] = JHTML::_('list.category', 'filter_catid',
'com_myextension', (int)$filter_catid, $js);
$lists['search'] = $filter_search;
// add the lists array to the object
$this->assignRef('lists', $lists);
That's it! Now all we need to do is implement the search in the JModel. To do this,
we again modify the _buildQueryWhere() method. This example demonstrates how
we do it:
/**
* Builds the WHERE part of a query
*
* @return string Part of an SQL query
*/
function _buildQueryWhere()
{
global $mainframe, $option;
// get the filter values
$filter_state = $mainframe->getUserStateFromRequest(
>$option.'filter_state',
'filter_state');
$filter_catid = $mainframe->getUserStateFromRequest(
>$option.


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