<?php

/**
 * preprocess the edit template
 * @global string $base_url
 * @param array $variables
 *   theme variables for the edit template
 */
function islandora_preprocess_islandora_default_edit(&$variables) {
  $islandora_object = $variables['islandora_object'];
  global $base_url;
  $datastreams = array();
  $variables['islandora_editmetadata_url'] = $base_url . '/islandora/edit_form/' . $islandora_object->id;
  module_load_include('inc', 'islandora', 'includes/datastream');
  module_load_include('inc', 'islandora', 'includes/utilities');
  // $variables['add_datastream_form'] = drupal_get_form('islandora_add_datastream_form', $islandora_object->id);
  $header = array(
    array('data' => t('ID')),
    array('data' => t('Label')),
    array('data' => t('Type')),
    array('data' => t('Mime type')),
    array('data' => t('Size')),
    array('data' => t('Operations'), 'colspan' => '3'),
      //array('data' => t('Delete')),
  );
  $table_attributes = array('class' => array('manage-datastreams'));
  $rows = array();
  foreach ($islandora_object as $ds) {
    $rows[] = array(
      array('class' => 'datastream-id', 'data' => l($ds->id, islandora_datastream_get_url($ds, 'view'))),
      array('class' => 'datastream-label', 'data' => $ds->label),
      array('class' => 'datastream-control', 'data' => islandora_control_group_to_human_readable($ds->controlGroup)),
      array('class' => 'datastream-mime', 'data' => $ds->mimeType),
      array('class' => 'datastream-size', 'data' => islandora_datastream_get_human_readable_size($ds)),
      array('class' => 'datastream-download', 'data' => l(t('download'), islandora_datastream_get_url($ds, 'download'))),
      array('class' => 'datstream-edit', 'data' => islandora_datastream_edit_get_link($islandora_object, $ds->id)),
      array('class' => 'datastream-delete', 'data' => islandora_datastream_get_delete_link($ds)),
    );
  }
  $caption = $islandora_object->label . ' - ' . $islandora_object->id;
  $table = array('colgroups' => NULL, 'sticky' => TRUE, 'empty' => 'Error loading datastreams', 'caption' => $caption, 'header' => $header, 'rows' => $rows, 'attributes' => $table_attributes);
  $variables['datastream_table'] = theme_table($table);
}


/**
 * preprocess for the default view template
 * @global string $base_url
 * @param array $variables
 */
function islandora_preprocess_islandora_default(&$variables) {
  drupal_add_js('misc/form.js');
  drupal_add_js('misc/collapse.js');
  $islandora_object = $variables['islandora_object'];
  module_load_include('inc', 'islandora', 'includes/islandora_dublin_core');
  module_load_include('inc', 'islandora', 'includes/utilities');
  module_load_include('inc', 'islandora', 'includes/datastream');

  $variables['parent_collections'] = islandora_datastream_get_parents($islandora_object);

  $datastreams = array();
  foreach ($islandora_object as $ds) {
    $pid = $islandora_object->id;
    $id = $ds->id;
    $label = $ds->label;
    $download_path = islandora_datastream_get_url($ds, 'download');
    $datastreams[$id]['id'] = $id;
    $datastreams[$id]['label'] = $label;
    $datastreams[$id]['label_link'] = l($label, $download_path);
    $datastreams[$id]['download_url'] = $download_path;
    $datastreams[$id]['mimetype'] = $ds->mimetype;
    $datastreams[$id]['size'] = islandora_datastream_get_human_readable_size($ds);
    $datastreams[$id]['created_date'] = $ds->createdDate->format("Y-m-d");
    $datastreams[$id]['class'] = strtolower(preg_replace('/[^A-Za-z0-9]/', '-', $id));
  }
  $variables['datastreams'] = $datastreams;
  try {
    $dc = $islandora_object['DC']->content;
    //$dc_xml = simplexml_load_string($dc);
    $dc_object = Dublin_Core::import_from_xml_string($dc);
  } catch (Exception $e) {
    drupal_set_message(t('Error retrieving object %s %t', array('%s' => $islandora_object->id, '%t' => $e->getMessage())), 'error');
  }
  $variables['dc_array'] = $dc_object->as_formatted_array();
  $variables['islandora_dublin_core'] = $dc_object;
  $variables['islandora_object_label'] = $islandora_object->label;
  global $base_url;
  if (isset($islandora_object['TN'])) {
    $variables['islandora_thumbnail_url'] = $base_url . '/islandora/object/' . $islandora_object->id . '/datastream/TN/view';
  }
}