<?php
// $Id: cmis_browser.module,v 1.1 2009-02-21 03:30:40 cfuller12 Exp $

/**
 * 
 */

/**
 * Implementation of hook_menu() for CMIS browser module.
 */
function cmis_browser_menu() {
  $items = array ();
  $items['cmis/browser'] = array (
    'type' => MENU_NORMAL_ITEM,
    'title' => t('CMIS Repository'),
    'page callback' => 'cmis_browser_browse', 
    'access callback' => 'user_access', 
    'access arguments' => array ('access cmis'),
  );
  return $items;
}

/**
 * Build form for browsing CMIS respository.
 */
function cmis_browser_browse_form($form_state) {
  $parts = explode('/', $_GET['q']);
  $path = implode('/', array_slice($parts, 2));

  $form['#theme'] = 'cmis_browser_browse_form';

  $form['browse']['path'] = array (
    '#type' => 'textfield',
    '#title' => t('Path'), 
    '#default_value' => '/' .  $path, '#autocomplete_path' => 'cmis/autocomplete', '#size' => 50);

  $form['browse']['submit'] = array (
    '#type' => 'submit',
    '#name' => 'browse',
    '#default_value' => 'Browse',
  );

  return $form;
}

/**
 * Handle CMIS repository browse form submission.
 */
function cmis_browser_browse_form_submit($form, & $form_state) {
  $path = $form_state['values']['path'];
  $submit2 = $form_state['values']['browse'];
  unset ($form_state['storage']);
  if ('Browse' == $submit2) {
    $form_state['redirect'] = 'cmis/browser' . $path;
  }
}

/**
 * Custom theme for CMIS repository browse form.
 */
function theme_cmis_browser_browse_form($form) {
  $rows = array (
    array (drupal_render($form['browse']['path']), drupal_render($form['browse']['submit'])),
  );

  $header = array ('', '');
  $output = theme('table', $header, $rows);
  $output .= drupal_render($form);
  return $output;
}

/**
 * Register custom themes for CMIS browser module.
 */
function cmis_browser_theme() {
  return array (
    'cmis_browser_browse_form' => array (
      'arguments' => array ('form' => NULL),
    ),
  );
}

/**
 * Build CMIS repository browse page.
 */
function cmis_browser_browse() {
  module_load_include('api.inc', 'cmis');
  drupal_add_css(drupal_get_path('module', 'cmis_browser') . '/cmis_browser.css');
  $contents = '';
  $contents .= drupal_get_form('cmis_browser_browse_form');

  // Get the repo space path from request
  $folder_img = theme('image', drupal_get_path('module', 'cmis_browser') . '/images/space.gif');
  $file_img = theme('image', drupal_get_path('module', 'cmis_browser') . '/images/file.png');
  $next_img = theme('image', drupal_get_path('module', 'cmis_browser') . '/images/next.gif');

  $parts = explode('/', $_GET['q']);
  $path = implode('/', array_slice($parts, 2));
  if ($path) {
    $path = '/' . $path;
  }

  $contents .= '<div id="cmis-breadcrumb">';

  // Generate Breadcrumb
  $currentpath = '';
  $bcarray = array_slice($parts, 2);

  foreach ($bcarray as $space) {
    $currentpath .= '/' . $space;
    $pagelink = l($space, 'cmis/browser' . $currentpath);
    $contents .= $pagelink;

    if ($space != end($bcarray)) {
      $contents .= $next_img . ' ';
    }
  }

  $contents .= '</div>';

  // Invoke CMIS service
  $repository = cmisapi_getRepositoryInfo();
  $folderObject = null;
  if (isset ($_GET['id'])) {
    $folderObject = cmisapi_getProperties($repository->repositoryId, urldecode($_GET['id']));
  }
  elseif ($path) { 
    $folderObject = cmisapi_getProperties($repository->repositoryId, drupal_urlencode($path));
  }
  else {
    $folderId_parts = explode('/', $repository->rootFolderId);
    $path = '/' . $folderId_parts[sizeof($folderId_parts) - 1];
    $folderObject = cmisapi_getProperties($repository->repositoryId, $path);
  }

  $children = cmisapi_getChildren($repository->repositoryId, $folderObject->id);

  if (false === $children) {
    $contents = 'Unable to communicate with repository.';
  } 
  else {
    $header = array (t('name'), t('type'), t('size'), t('author'), t('last modified'));

    $folder_img = theme('image', drupal_get_path('module', 'cmis_browser') . '/images/space.gif');
    $file_img = theme('image', drupal_get_path('module', 'cmis_browser') . '/images/file.png');

    if (isset ($_GET['id'])) {
      if ($folderParents = cmisapi_getObjectParents($repository->repositoryId, $folderObject->id)) {
        $folderParentObject = end($folderParents);
        $folderParentObject->title = '..';
        $children = array_merge(array($folderParentObject), $children);
      }
    }
    foreach ($children as $child) {
      $summary = $child->summary;
      $type = $child->type;
      $updated = date_create($entry->updated);
      $updatedStr = date_format($updated, 'n/j/Y g:i A');

      if ($type == 'folder') {
        if (isset ($_GET['id'])) {
          $folderlink = l($child->title, 'cmis/browser', array ('query' => array ('id' => $child->id)));
        } 
        else {
          $folderlink = l($child->title, 'cmis/browser' . $path . '/' . $child->title);
        }
        $rows[] = array ($folder_img . ' ' . $folderlink, 'Space', '', $child->author, $updatedStr);
      } 
      else {
        $size = $child->size;
        $docType = $child->contentMimeType;
        $icon = $child->icon;
        $documentLink = l($child->title, 'cmis/get', array ('query' => array ('id' => $child->id)));
        $rows[] = array ($file_img . $documentLink, $docType, number_format($size / 1000, 2, '.', ',') . ' K', $child->author, $updatedStr);
      }
    }
    $contents .= theme('table', $header, $rows);
  }

  return $contents;
}