MODX defaultTemplateSource plugin

defaultTemplateSource.php

<?php

if ($modx->event->name == 'OnDocFormSave') {

    // ms2Gallery
    $templateSources = array(
        4 => 3, // templateId => sourceId
    );

    // minishop Gallery
    $minishopTemplateSources = array(
        22 => 16 // templateId => sourceId
    );

    // ms2Gallery
    foreach ($templateSources as $key => $val) {
        if ($resource->get('template') == $key) { // наш шаблон
            $properties = $modx->fromJSON($resource->get('properties'));
            $properties['ms2gallery'] = array('media_source' => $val); // его источник файлов
            $resource->set('properties', $modx->toJSON($properties));
            $resource->save();
        }
    }

    // minishop Gallery
    foreach ($minishopTemplateSources as $key => $val) {
        if ($resource->get('template') == $key) { // наш шаблон
            $resource->set('source', $val);
            $resource->save();
        }
    }
}