function ctools_context_ajax_item_delete

Ajax entry point to edit an item

File

includes/context-admin.inc, line 775

Code

function ctools_context_ajax_item_delete($mechanism = NULL, $type = NULL, $cache_key = NULL, $position = NULL) {
    ctools_include('ajax');
    ctools_include('context');
    ctools_include('cache');
    if (!isset($position)) {
        return ctools_ajax_render_error();
    }
    // Load stored object from cache.
    if (!($object = ctools_cache_get($mechanism, $cache_key))) {
        ctools_ajax_render_error(t('Invalid object name.'));
    }
    $type_info = ctools_context_info($type);
    // Create a reference to the place our context lives. Since this is fairly
    // generic, this is the easiest way to get right to the place of the
    // object without knowing precisely what data we're poking at.
    $ref =& $object->{$type_info['key']};
    if (!array_key_exists($position, $ref)) {
        ctools_ajax_render_error(t('Unable to delete missing item!'));
    }
    unset($ref[$position]);
    ctools_cache_operation($mechanism, $cache_key, 'finalize', $object);
    $output = array();
    $output[] = ajax_command_replace('#' . $type . '-row-' . $position, '');
    $output[] = ajax_command_restripe("#{$type}-table");
    print ajax_render($output);
    exit;
}