trigger_action_set_thumbnail.inc

<?php
require_once SQ_CORE_PACKAGE_PATH.'/system/triggers/trigger_action/trigger_action.inc';
require_once SQ_LIB_PATH.'/html_form/html_form.inc';
require_once SQ_ATTRIBUTES_PATH.'/parameter_map/parameter_map.inc';

class Trigger_Action_Set_Thumbnail extends Trigger_Action
{


    public static function execute($settings, &$state)
    {
        if (empty($state['asset'])) {
            // grab the asset if assetid is given, but not the asset.
            if (empty($state['assetid'])) {
                // Fail silently if no asset
                return TRUE;
            } else {
                $state['asset'] = &$GLOBALS['SQ_SYSTEM']->am->getAsset($state['assetid']);
            }
        }

        if (isset($settings['imageid']) && !empty($settings['imageid'])) {
            $thumbnail = $GLOBALS['SQ_SYSTEM']->am->getAsset($settings['imageid']);
        } else {
            $parameter_map_value = array_get_index($settings, 'thumbnail', serialize(Array()));
            $atr_parameter_map = new Asset_Attribute_Parameter_Map(0, $parameter_map_value);
            $assetid = $atr_parameter_map->getParameterValue('thumbnail');
            if (!empty($assetid)) {
                $thumbnail = $GLOBALS['SQ_SYSTEM']->am->getAsset($assetid);
            } else {
                // Fail silently if empty
                return TRUE;
            }
        }

        // asset must be image (and fail silently)
        if (!is_a($thumbnail, 'image')) return TRUE;

        // Set the thumbnail to the asset passed
        // Delete any thumbnail links
        $grab_link = $GLOBALS['SQ_SYSTEM']->am->getLink($state['assetid'], SQ_LINK_NOTICE, '', FALSE, 'thumbnail');

        if (is_array($grab_link) && isset($grab_link['linkid'])) {
            $GLOBALS['SQ_SYSTEM']->am->deleteAssetLink($grab_link['linkid']);
        }

        // Create the new thumbnail link
        $tmblink = $GLOBALS['SQ_SYSTEM']->am->createAssetLink($state['asset'], $thumbnail, SQ_LINK_NOTICE, 'thumbnail');

        return Array(
                'linkid'    => $tmblink,
               );

    }//end execute()


    public static function getInterface($settings, $prefix, $write_access=FALSE)
    {
        // set defaults
        $settings['thumbnail']  = array_get_index($settings, 'thumbnail', Array());

        $pmap = new Asset_Attribute_Parameter_Map();
        $pmap->setParameter('thumbnail', 'Set new Thumbnail');
        $pmap->setValue($settings['thumbnail']);

        // begin buffering basic options
        ob_start();
            // Save the prefix
            $new_prefix = str_replace(array('[',']'), '_', $prefix);
            hidden_field($prefix.'[new_prefix]', $new_prefix);

            echo $pmap->paint($new_prefix, !$write_access);
            $basic_part_1 = ob_get_contents();
        ob_end_clean();

        return translate('trigger_set_thumbnail', $basic_part_1);

    }//end getInterface()


    public static function processInterface(&$settings, $request_data)
    {
        if (empty($request_data)) {
            return translate('trigger_input_data_missing');
        }

        // Get the prefix
        $new_prefix = str_replace(array('[',']'), '_', array_get_index($request_data, 'new_prefix', ''));

        // check if the name, constrain, width and height are set
        $pmap = new Asset_Attribute_Parameter_Map();
        $pmap->process($new_prefix);
        $settings['thumbnail'] = $pmap->value;

        return FALSE;

    }//end processInterface()


    public static function getLocks($settings, &$state)
    {
        return Array($state['assetid'] => Array('all'));

    }//end getLocks()


}//end class

?>