trigger_action_set_index_page.inc

<?php
require_once SQ_LIB_PATH.'/html_form/html_form.inc';
require_once SQ_INCLUDE_PATH.'/general_occasional.inc';

class Trigger_Action_Set_Index_Page extends Trigger_Action
{


    public static function execute($settings, &$state)
    {

        if (!isset($settings['index_page'])) return FALSE;
        if ($settings['index_page'] == '') return FALSE;

        $selected_asset_id = array_get_index($settings, 'index_page', 0);

        if (empty($state['asset'])) {
            // grab the asset if assetid is given, but not the asset.
            if (empty($state['assetid'])) {
                return FALSE;
            } else {
                $state['asset'] = $GLOBALS['SQ_SYSTEM']->am->getAsset($state['assetid']);
            }
        }
        if (is_null($state['asset'])) return FALSE;

        $link_value = 'index';
        $field_name = $state['asset']->getPrefix().'_'.str_replace(' ', '_', strtolower($link_value));

        $link = $GLOBALS['SQ_SYSTEM']->am->getLink($state['asset']->id, SQ_LINK_NOTICE, '', FALSE, $link_value);

        // if there has been no change, then there is nothing to do
        if (!empty($link) && $link['minorid'] == $selected_asset_id) {
            return FALSE;
        }

        $GLOBALS['SQ_SYSTEM']->changeDatabaseConnection('db2');
        $GLOBALS['SQ_SYSTEM']->doTransaction('BEGIN');
        $success = TRUE;

        // if there is a current link, we need to delete it
        if (!empty($link)) {
            $success = (bool) $asset->deleteLink($link['linkid']);
        }

        if ($success && !empty($selected_asset_id)) {
            $selected_asset = $GLOBALS['SQ_SYSTEM']->am->getAsset($selected_asset_id);
            if (!is_null($selected_asset)) {
                $success = (bool) $state['asset']->createLink($selected_asset, SQ_LINK_NOTICE, $link_value);
            }
        } else {
            return FALSE;
        }

        $GLOBALS['SQ_SYSTEM']->doTransaction($success ? 'COMMIT' : 'ROLLBACK');
        $GLOBALS['SQ_SYSTEM']->restoreDatabaseConnection();

        return Array(
                'assetid'       => $state['asset']->id,
                'index_page'    => $settings['index_page'],
               );

    }//end execute()


    public static function getInterface($settings, $prefix, $write_access=FALSE)
    {

        if (empty($settings['index_page'])) {
            // set to default
            $selected_assetid = '0';
        } else {
            $selected_assetid = $settings['index_page'];
        }

        // check if the selected asset is valid
        if ($selected_assetid && !$GLOBALS['SQ_SYSTEM']->am->assetExists($selected_assetid)) {
            $selected_assetid = 0;
        }

        if (!$write_access) {
            $form_element_extras = 'disabled="disabled"';
        } else {
            $form_element_extras = '';
        }

        ob_start();
            if ($write_access) {
                asset_finder($prefix.'[index_page]', $selected_assetid, Array('page_standard' => 'P'));
                echo translate('trigger_set_index_page_select');

            } else {
                if ($selected_assetid) {
                    $selected_assetname = $GLOBALS['SQ_SYSTEM']->am->getAssetInfo(Array($selected_assetid), Array(), TRUE, 'name');
                    text_box($prefix.'[index_page]', $selected_assetname[$selected_assetid].' (#'.$selected_assetid.')', '', '', FALSE, $form_element_extras);
                } else {
                    text_box($prefix.'[index_page]', '', '', '', FALSE, $form_element_extras);
                }
            }

            $basic_part_1 = ob_get_contents();
        ob_end_clean();

        return translate('trigger_set_index_page_basic', $basic_part_1);

    }//end getInterface()


    public static function processInterface(&$settings, $request_data)
    {

        // make sure the assetid isn't blank
        if (empty($request_data['index_page']['assetid'])) {
            return 'Index page is not specified';
        }

        // check if the status is valid
        $settings['index_page'] = $request_data['index_page']['assetid'];

        return FALSE;

    }//end processInterface()


    public static function getLocks($settings, &$state)
    {

        return Array(
                $state['assetid']   => Array('all'),
               );

    }//end getLocks()


}//end class