custom.php

<?php
/**
* Use this file to define customized helper functions, filters or 'hacks'
* defined specifically for use in your Omeka theme. Ideally, you should
* namespace these with your theme name to avoid conflicts with functions
* in Omeka and any plugins.
*/

/*
NOTE: you must first create a theme setting called 'Collection Order' that collects a simple comma-separated list of collection IDs (e.g. "2,1,3,5,4")
If you don't want to do that, you can just remove get_theme_option('Collection Order') and set $commaSeparatedList manually below
*/

function collection_order_array() {
    $commaSeparatedList = get_theme_option('Collection Order');

    if ($commaSeparatedList == NULL) {
        $collections = get_records('Collection', array(), 0);
        $num_collections = count($collections);
        $commaSeparatedList = '';

        for ($i=0; $i < $num_collections; $i++) {
                $commaSeparatedList .= $collections[$i]->id;
                $commaSeparatedList .= ',';
        }

        $commaSeparatedList = rtrim($commaSeparatedList, ",");
    }

    $arrayList=explode(",",$commaSeparatedList);
    return $arrayList;
}

// This function supplements ItemFunctions.php in application/helpers
function return_files($files, array $props = array(), $wrapperAttributes = array('class'=>'item-file'))
{
    // require_once APP_DIR . '/helpers/Media.php';
    // $helper = new Omeka_View_Helper_Media;
    return $files;
}

// This function supplements FileFunctions.php in application/helpers
function return_files_for_item($options = array(), $wrapperAttributes = array('class'=>'item-file'), $item = null)
{
    if (!$item) {
        $item = get_current_record('item');
    }

    return return_files($item->Files, $options, $wrapperAttributes);
}