<?php
require_once 'forena.data.inc';
require_once 'Frx.inc';

/**
 * Implementation of hook_menu.
 *
 * @return array
 */
function forena_menu() {
  $items = array();

  // First build menu items.
  Frx::Menu()->addMenuItems($items);

  $items['admin/structure/forena'] = array(
    'type' => MENU_NORMAL_ITEM,
    'title' => 'Forena Reports',
    'description' => 'Build reports based on data in your sites databases.',
    'page callback' => 'forena_admin_reports',
    'access arguments' => array('design any report'),
    'file' => 'forena.admin.inc',
  );

  $items['admin/structure/forena/reports'] = array(
    'type' => MENU_DEFAULT_LOCAL_TASK,
    'title' => 'Reports',
    'description' => 'Build reports based on data in your sites databases.',
    'page callback' => 'forena_admin_reports',
    'access arguments' => array('design any report'),
    'file' => 'forena.admin.inc',
  );

  $items['admin/config/content/forena'] = array(
    'page callback' => 'drupal_get_form',
    'page arguments' => array('forena_settings'),
    'title' => 'Forena Reports',
    'description' => 'Tell Forena where to store report files and how users should access them.',
    'access arguments' => array('administer forena reports'),
    'type' => MENU_NORMAL_ITEM,
    'file' => 'forena.admin.inc',
  );

  $items['admin/config/content/forena/general'] = array(
    'title' => 'General',
    'type' => MENU_DEFAULT_LOCAL_TASK,
    'file' => 'forena.admin.inc',
    'weight' => -10,
  );

  $items['admin/config/content/forena/data/configure'] = array(
    'title' => 'Configure data source',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('forena_data_settings_edit'),
    'type' => MENU_CALLBACK,
    'file' => 'forena.admin.inc',
    'access arguments' => array('administer forena reports'),
  );

  $items['admin/config/content/forena/data/add'] = array(
    'title' => 'Add data source',
    'type' => MENU_CALLBACK,
    'page callback' => 'drupal_get_form',
    'page arguments' => array('forena_data_settings_edit'),
    'file' => 'forena.admin.inc',
    'access arguments' => array('administer forena reports'),
  );

  $items['admin/config/content/forena/data'] = array(
    'title' => 'Data',
    'page callback' => 'forena_data_settings',
    'type' => MENU_LOCAL_TASK,
    'file' => 'forena.admin.inc',
    'access arguments' => array('administer forena reports'),
  );

  $items['admin/config/content/forena/formats']  = array(
    'page callback' => 'drupal_get_form',
    'page arguments' => array('forena_doc_formats_settings'),
    'title' => 'Document Types',
    'access arguments' => array('administer forena reports'),
    'type' => MENU_LOCAL_TASK,
    'file' => 'forena.admin.inc',
  );


  $items['admin/structure/forena/data'] = array(
      'type' => MENU_LOCAL_TASK,
      'title' => 'Data',
      'access arguments' => array('design any report'),
      'page callback' => 'forena_display_blocks',
      'file' => 'forena.data.inc',
  );

  $items['forena/data'] = array(
      'page callback' => 'forena_data_preview',
      'access arguments' => array('design any report'),
      'file' => 'forena.data.inc',
      'type' => MENU_CALLBACK,
  );

  $items['reports/%'] = array(
    'page callback' => 'forena_report',
    'page arguments' => array(1),
    'title' => 'Reports',
    'access arguments' => array('access content'),
    'type' => MENU_CALLBACK,
    'file' => 'forena.common.inc',
  );

  $items['report_doc/%'] = array(
    'page callback' => 'forena_report',
    'page arguments' => array(1),
    'access arguments' => array('access content'),
    'type' => MENU_CALLBACK,
    'file' => 'forena.common.inc',
  );


  $items['reports/%/edit'] = array(
     'title' => 'Edit',
     'page callback' => 'forena_report_preview',
     'page arguments' => array(1),
     'access arguments' => array('design any report'),
     'description' => 'Edit the layout of your report',
     'type' => MENU_CALLBACK,
     'file' => 'forena.report.inc',
  );

  if (module_exists('locale')) {
    $items['reports/%/translations'] = array(
       'page callback' => 'forena_report_translations',
       'page arguments' => array(1),
       'title' => 'Translate',
       'file' => 'forena.report.inc',
       'access arguments' => array('design any report'),
       'type' => MENU_CALLBACK,
    );
  }
  $items['reports/%/edit/parameters'] = array(
    'page callback' => 'drupal_get_form',
    'page arguments' => array('forena_report_parameters_form', 1),
    'title' => 'Parameters',
    'file' => 'forena.report.inc',
    'access arguments' => array('design any report'),
    'type' => MENU_LOCAL_TASK,
  );

  $items['reports/%/edit/edit-parameter'] = array(
      'page callback' => 'drupal_get_form',
      'page arguments' => array('forena_report_parameter_config_form', 1),
      'title' => 'Edit Parameter',
      'file' => 'forena.report.inc',
      'access arguments' => array('design any report'),
      'type' => MENU_CALLBACK,
  );

  $items['reports/%/edit/add-parameter'] = array(
    'page callback' => 'drupal_get_form',
    'page arguments' => array('forena_report_add_parameter_form', 1),
    'file' => 'forena.report.inc',
    'title' => 'Parameters',
    'access arguments' => array('design any report'),
    'type' => MENU_CALLBACK,
  );

  $items['reports/%/edit/general'] = array(
    'title' => 'General',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('forena_report_general_form',1),
    'access arguments' => array('design any report'),
    'description' => 'General Report Properties',
    'type' => MENU_LOCAL_TASK,
    'weight' => -1,
    'file' => 'forena.report.inc',
  );

  $items['reports/%/edit/layout'] = array(
    'title' => 'Layout',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('forena_report_layout_form',1),
    'access arguments' => array('design any report'),
    'description' => 'Edit the layout of your report',
    'type' => MENU_LOCAL_TASK,
    'file' => 'forena.report.inc',
  );

  $items['reports/%/edit/edit-data/%/%'] = array(
   'title' => 'Edit Block',
   'file' => 'forena.report.inc',
   'page callback' => 'drupal_get_form',
   'page arguments' => array('forena_report_data_block_form', 1, 3, 4, 5, 'edit-data'),
   'access arguments' => array('design any report'),
   'description' => 'Add a data block to your report',
   'type' => MENU_CALLBACK,
  );

  $items['reports/%/edit/edit-field/%'] = array(
      'title' => 'Edit Block',
      'file' => 'forena.report.inc',
      'page callback' => 'drupal_get_form',
      'page arguments' => array('forena_report_field_form', 1, 4),
      'access arguments' => array('design any report'),
      'description' => 'Add a data block to your report',
      'type' => MENU_CALLBACK,
  );

  $items['reports/%/edit/select-data/%'] = array(
    'title' => 'Select Data Block',
    'file' => 'forena.report.inc',
    'page callback' => 'forena_select_block_list',
    'page arguments' => array(1, 4),
    'access arguments' => array('design any report'),
    'description' => 'Select the data blcok to add',
    'type' => MENU_CALLBACK,
  );


  $items['reports/%/edit/select-data/%/%'] = array(
    'title' => 'Select Data Block',
    'file' => 'forena.report.inc',
    'page callback' => 'forena_select_block_list',
    'page arguments' => array(1, 4, 5),
    'access arguments' => array('design any report'),
    'description' => 'Select the data blcok to add',
    'type' => MENU_CALLBACK,
  );

  $items['reports/%/edit/preview-data/%/%'] = array(
    'title' => 'Preview Data Block',
    'file' => 'forena.report.inc',
    'page callback' => 'forena_report_block_preview',
    'page arguments' => array(1, 4, 5),
    'access arguments' => array('design any report'),
    'description' => 'Select the data block to add',
    'type' => MENU_CALLBACK,
  );

  $items['reports/%/edit/preview-data/%/%/%'] = array(
    'title' => 'Preview Data Block',
    'file' => 'forena.report.inc',
    'page callback' => 'forena_report_block_preview',
    'page arguments' => array(1, 4, 5, 6),
    'access arguments' => array('design any report'),
    'description' => 'Select the data block to add',
    'type' => MENU_CALLBACK,
);

  $items['reports/%/edit/add-data/%'] = array(
    'title' => 'Data',
    'file' => 'forena.report.inc',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('forena_report_data_block_form', 1, 3, 4),
    'access arguments' => array('design any report'),
    'description' => 'Edit a data block on the report. ',
    'type' => MENU_CALLBACK,
  );

  $items['reports/%/edit/add-data/%/%'] = array(
    'title' => 'Add Data',
    'file' => 'forena.report.inc',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('forena_report_data_block_form', 1, 3, 4, 5),
    'access arguments' => array('design any report'),
    'description' => 'Edit a data block on the report. ',
    'type' => MENU_CALLBACK,
  );

  $items['reports/%/edit/prepend-data/%/%'] = array(
    'title' => 'Add Data',
    'file' => 'forena.report.inc',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('forena_report_data_block_form', 1, 3, 4, 5),
    'access arguments' => array('design any report'),
    'description' => 'Edit a data block on the report. ',
    'type' => MENU_CALLBACK,
  );

  $items['reports/%/edit/delete-data/%'] = array(
  	'title' => 'Delete Data',
    'file' => 'forena.report.inc',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('forena_report_delete_confirm', 1, 4),
    'access arguments' => array('design any report'),
    'description' => 'Delete this form',
    'type' => MENU_CALLBACK,
  );

  $items['reports/%/edit/format'] = array(
     'title' => 'Document Types',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('forena_report_format_form', 1),
     'access arguments' => array('design any report'),
     'file' => 'forena.report.inc',
     'description' => 'Document Options',
     'type' => MENU_LOCAL_TASK,
  );

  $items['reports/%/delete'] = array(
     'title' => 'Remove Custom Report',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('forena_report_delete_form', 1),
     'access arguments' => array('delete report'),
     'type' => MENU_CALLBACK,
     'file' => 'forena.report.inc',
  );

  $items['reports/add'] = array(
     'title' => 'Create Report',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('forena_add_report_form'),
     'access arguments' => array('create any report'),
     'description' => 'Create a new report',
     'file' => 'forena.report.inc',
     'type' => MENU_SUGGESTED_ITEM,
  );

  $items['reports/%/add'] = array(
     'title' => 'Create Report',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('forena_add_report_form', 1),
     'access arguments' => array('create any report'),
     'description' => 'Create a new report from a template',
     'file' => 'forena.admin.inc',
     'type' => MENU_CALLBACK,
  );

  $items['reports/%/translate'] = array(
     'title' => 'Translate Report',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('forena_create_trans_form',1),
     'access arguments' => array('create any report'),
     'description' => 'Create a new report translation',
     'file' => 'forena.admin.inc',
     'type' => MENU_CALLBACK,
  );

  $items['forena'] = array(
    'page callback' => 'forena_user_reports',
    'page arguments' => array(),
    'title' => 'My Reports',
    'access arguments' => array('list reports'),
    'type' => MENU_NORMAL_ITEM,
  );

  $items['forena/xml/%'] = array(
   	'page callback' => 'forena_block_xml',
    'page arguments' => array(2),
   	'access arguments' => array('access forena block xml'),
    'file' => 'forena.common.inc',
   	'type' => MENU_CALLBACK,
  );

  $items['forena/json/%'] = array(
  	'page callback' => 'forena_json',
    'page arguments' => array(2),
    'access arguments' => array('access forena block xml'),
    'type' => MENU_CALLBACK,
  );


  $items['forena/fields/format/autocomplete'] = array(
     'page callback' => 'forena_fields_format_autocomplete',
     'access callback' => TRUE,
     'type' => MENU_CALLBACK,
  );

  $items['forena/data_block/autocomplete'] = array(
     'page callback' => 'forena_data_block_autocomplete',
     'access callback' => TRUE,
     'type' => MENU_CALLBACK,
  );

  $items['forena/reports/autocomplete'] = array(
     'page callback' => 'forena_reports_autocomplete',
     'access callback' => TRUE,
     'type' => MENU_CALLBACK,
  );


  $items['forena/categories/autocomplete'] = array(
     'page callback' => 'forena_categories_autocomplete',
     'access callback' => TRUE,
     'type' => MENU_CALLBACK,
  );

  return $items;
}

/**
 * Implements hook_admin_paths_alter().
 */
function forena_admin_paths_alter(&$paths) {
  $paths['reports/*/*'] = TRUE;
  $paths['reports/*/view'] = FALSE;
  $paths['reports/*/edit'] = FALSE;
  $paths['reports/add'] = TRUE;

}


function forena_library_file($library) {
  $libraries = array(
      'dataTables' => 'dataTables/media/js/jquery.dataTables.min.js',
      'mpdf' => 'mpdf/mpdf.php',
      'SVGGraph' => 'SVGGraph/SVGGraph.php',
      'prince' => 'prince/prince.php'
  );
  $path = isset($libraries[$library]) && file_exists('sites/all/libraries/' . $libraries[$library]) ? 'sites/all/libraries/' . $libraries[$library] : '';
  return $path;
}

/**
 * Implementation of hook_block_info
 */
function forena_block_info() {
  $blocks['forena_reports'] = array('info' => t('My reports'),
      'status' => 1,
      'region' => 'sidebar_first',
      'visibility' => 1,
      'pages' => 'forena',
  );
  return $blocks;
}
/**
 * Implementation of hook_block_view
 */
function forena_block_view($delta = 0) {

  // Inlcude the base library
  require_once('forena.common.inc');
  switch ($delta) {
    case 'forena_reports':
      $block = array('subject' => 'My Reports',
            'content' => forena_my_reports_block());
      break;
  }
  return $block;

}


/**
 * Auto complete for categories
 *
 */

function forena_categories_autocomplete($string='') {
  require_once('forena.admin.inc');
  $categories = @forena_get_categories($string);
  print drupal_json_output($categories);
}


/**
 * Auto complete for data blocks
 * @param $string
 * @return unknown_type
 */
function forena_data_block_autocomplete() {
  require_once('forena.admin.inc');
  $args = func_get_args();
  $search = implode('/', $args);
  if (strlen($search) < 2) {
    $search .= '*';
  }
  else {
    $search = "*$search*";
  }

  $data_blocks = Frx::DataFile()->userBlocks($search);
  if ($data_blocks) {
    $temp = array_keys($data_blocks);
    $data_blocks = array_combine($temp, $temp);
  }
  else {
    $data_blocks = array();
  }

  print drupal_json_output($data_blocks);
}

function forena_reports_autocomplete($string='', $string2='') {
  GLOBAL $language;
  $reports='';
  $link = '';
  // If we have two parameters.
  if ($string2) {
    $mode = $string;
    $string = $string2;
  }
  $string = '*' .$string .'*';
  $result = Frx::File()->allReports();
  foreach ($result as $row) {
    if (drupal_match_path($row->name, $string)) {
      $reports[$row->name] = $row->name . ' - ' . $row->cache['title'];
    }
  }
  return drupal_json_output($reports);
}

function forena_xml($block_name, $parms=array()) {
  include_once('forena.common.inc');
  drupal_alter('forena_parameters', $block_name, $parms );
  //now invoke the data provider with the correct params
  Frx::Data()->push($parms, 'parm');
  return Frx::RepoMan()->data($block_name);
}

/**
 * Get the raw data from a block if supported.
 * Note that this may return a simplexml object or a recordset or an
 * array depending on the support provided by the product.
 * @param unknown $block_name
 * @param unknown $parms
 * @return Ambigous <unknown, string, NULL>
 */
function forena_data($block_name, $parms=array()) {
  include_once('forena.common.inc');
  drupal_alter('forena_parameters', $block_name, $parms );
  //now invoke the data provider with the correct params
  Frx::Data()->push($parms, 'parm');
  return Frx::RepoMan()->data($block_name, TRUE);
}

/**
 * Output forena data as JSON objects.
 * @param unknown $block_name
 * @param string $parms
 */
function forena_json($block_name, $parms= NULL) {
  $block_name = str_replace('.', '/', $block_name);
  if ($parms === NULL) {
    $parms = array_merge($_GET, $_POST);
    unset($_parms['q']);
  }
  $data = forena_data($block_name, $parms);
  $ret = array();
  foreach($data as $row) {
    $ret[] = $row;
  }
  drupal_json_output($ret);
}

/**
 * Auto complete for formats
 * @param $string
 * @return unknown_type
 */
function forena_fields_format_autocomplete($string='') {
  require_once('forena.common.inc');
  $matches = array();
  $formats = @FrxReportGenerator::instance()->supported_formats();

  if ($string == "*") {
    $matches = $formats;
    print drupal_json_output($matches);
    return;
  }

  if ($formats && $string) foreach ($formats as $name => $value) {
    if (strpos(strtolower($name), strtolower($string)) !== FALSE || strpos(strtolower($value), strtolower($string))!==FALSE) {
      $matches[$name] = $value;
    }
  }
  print drupal_json_output($matches);
}

/**
 *  Calls forena_parameter_form
 *  in forena.common.inc
 */
function forena_parameters_report() {
  require_once('forena.admin.inc');
  $m = Frx::Menu();
  $name = $m->name;
  $filename = $m->filename;
  $format = $m->format;
  $report = forena_get_report($name);
  if ($report) {
    $r = forena_report_object();
    $o = drupal_get_form('forena_parameters_form');
    return $o;
  }
  else {
    drupal_not_found();
  }
}

function forena_parameter_form($formid, &$form_state, $parameters, $attributes= array()) {
  $parms = $_GET;
  // Set menu parms
  $menu_parms = Frx::Data()->getContext('menu-parms');
  if ($menu_parms) $form_state['storage']['menu-parms'] = $menu_parms;
  // Set Descriptors
  $desc = FrxData::instance()->getContext('report');
  $form_state['storage']['desc'] = $desc;
  $desc = $form_state['storage']['desc'];
  $report_name = @$desc['name'];

  $collapse = isset($attributes['collapsed']) ? $attributes['collapsed'] : FALSE;
  if (isset($form_state['values'])) {
    $collapse=FALSE;
    $parms = array_merge($parms, $form_state['values']['params']);
    // In the case of ahah, we need to restore menu parameters from the form state.
    if (isset($form_state['storage']['menu-parms'])) {
      $menu_parms = $form_state['storage']['menu-parms'];
      $parms = array_merge($menu_parms,$parms);

    }
    drupal_alter('forena_parameters', $report_name,  $parms);
    Frx::Data()->push($parms, 'parm');
  }
  $template = @$attributes['template'];
  $collapsible = isset($attributes['collapsible']) ? $attributes['collapsible'] : TRUE;
  $title = isset($attributes['title']) ? $attributes['title'] : t('Parameters');
  $submit_value = isset($attributes['submit']) ? $attributes['submit'] : t('Submit');

  unset($parms['q']);
  $form = array();


  if ($parameters) {

    //drupal_alter('forena_parameters', $report_name,  $parms);
    if ($parameters) {

      $form['params'] = array(
          '#tree' => TRUE,
          '#title' => $title,
          '#type' => 'fieldset',
          '#collapsible' => $collapsible,
          '#collapsed' => $collapse,
          '#prefix' => '<div id="parameters-wrapper">',
          '#suffix' => '</div>',
      );

      foreach ($parameters as $node) {
        $add_null = FALSE;
        $list=array();
        $disabled = FALSE;
        $label = @(string)$node['label'];
        $id = @(string)$node['id'];
        $data_source = @(string)$node['data_source'];
        $data_field = @(string)$node['data_field'];
        $class = @(string)$node['class'];
        $type = @(string)$node['type'];
        $option_str = @(string)$node['options'];
        $options = array();
        if ($option_str) {
          parse_str($option_str, $options);
        }

        if (isset($parms[$id])) {
          $value = $parms[$id];
          $multi_value=(array)$parms[$id];
        }
        else {
          $value = @(string)$node['default'];
          $multi_value = array();
          if (strpos($value, '|')!==FALSE) $multi_value = explode('|', $value);
        }
        $desc =  @(string)$node['desc'];
        $label_field = @(string)$node['label_field'];

        @(strcmp((string)$node['require'], "1") == 0) ? $required = TRUE : $required = FALSE;
        $ctl_attrs = array();

        //returned values filtered against data_field attr.
        if ($data_source) {
          $list = Frx::RepoMan()->dataBlockParams($data_source, $data_field, $label_field);
          if (!$required && $add_null) $list = array('' => '') + $list;
        }

        //Determine the form element type to be displayed
        //If select or radios is chosen then begin a $list array for display values.
        $multiselect = FALSE;
        $ajax = FALSE;
        $add_null = FALSE;
        switch ($type) {
          case 'multiselect':
            $type = 'select';
            $multiselect = TRUE;
            $value = $multi_value;
            break;
          case 'multiselectajax':
            $type = 'select';
            $multiselect = TRUE;
            $value = $multi_value;
            $ajax = TRUE;
            break;
          case 'checkboxes':
            $value = $multi_value;
            break;
          case 'selectajax':
            $ajax = TRUE;
            $type = 'select';
            $add_null = TRUE;
            break;
          case 'select':
            $add_null = TRUE;
            break;
          case 'date_text':
          case 'date_select':
          case 'date_popup':
            $options['date_format'] = @$options['date_format'] ? $options['date_format'] : 'Y-m-d';
            $ctl_attrs['#date_format'] = $options['date_format'];
            if ($value){
              $datetime = @strtotime($value);
              if ($datetime) {
                $value = date('Y-m-d h:i', $datetime);
              }

            }
            $ctl_attrs['#forena_date_format'] = @$options['date_parm_format'] ? $options['date_parm_format'] : 'Y-m-d';

            if (@$options['date_year_range']) {
              $ctl_attrs['#date_year_range'] = $options['date_year_range'];
            }
            if (@$options['date_label_position']) {
              $ctl_attrs['#date_label_position'] = $options['date_label_position'];
            }

            $list=array();
            break;
          case 'checkbox':
            if (@$option_str['return_value']) {
              $ctl_attrs['#return_value'] = $options['return_value'];
            }
            $list=array();
            break;
          case 'radios':
            break;
          case 'hidden':
            $list=array();
            break;
          default:
            $type = 'textfield';
            $list = array();
        }

        if (isset($menu_parms[$id]) && $type=='textfield') {
          $disabled = TRUE;
        }

        //If a data_source attr was found then create an array of
        $form['params'][$id] = array(
            '#type' => $type,
            '#title' => ($label) ? t($label) : t($id),
            '#default_value' => $value,
            '#disabled' => $disabled,
            '#required' => $required,
            '#description' => t($desc),
        );

        $form['params'][$id] = array_merge($form['params'][$id], $ctl_attrs);

        if ($type == 'item') {
          $form['params'][$id]['#markup'] = $value;

        }

        if ($type == 'hidden') {
          $form['params'][$id]['#value'] = $value;
        }

        // Add class to parmeter form.
        if ($class) {
          $form['params'][$id]['#attributes'] = array(
              'class' => @explode(' ', $class),
          );
        }

        //if $list is not empty then push options
        //onto the array. options will cause an error for
        //textfield elements.
        if ($list || $type == 'select' || $type =='radios') {
          if ($add_null) {
            $prompt = @$options['prompt'];
            if (!$prompt) $prompt = $required ? '-' . t('select') .  '-' : '-' .t('none') . '-';
            $form['params'][$id]['#empty_option'] = $prompt ;
          }
          $form['params'][$id]['#options'] = $list;
          $form['params'][$id]['#multiple'] = $multiselect;
        }

        if ($ajax) {
          $form['params'][$id]['#ajax'] = array('callback' => 'forena_parameters_callback',
              'wrapper' => 'parameters-wrapper');
        }

      }

      if ($template) {
        $form['params']['#forena-template'] = $template;
        $form['params']['#theme'] = 'forena_fieldset_template';
        _forena_set_inline_theme($form['params']);
      }

      $form['params']['submit'] = array(
          '#type' => 'submit',
          '#value' => $submit_value,
      );

    }
    return $form;
  }


}


/**
 *
 * gets the values from the params form
 * redirects to the report page with the values in
 * the querystring.
 */
function forena_parameter_form_submit($form, &$form_state) {
  $values = $form_state['values'];
  unset($values['params']['submit']);

  if (isset($values['params'])) foreach ($values['params'] as $key => $value) {
    $ctl = $form['params'][$key];
    switch($ctl['#type']) {
      case 'date_popup':
      case 'date_select':
      case 'date_text':
        $datetime = @strtotime($value);
        if ($datetime) {
          $value = $values['params'][$key] = date($ctl['#forena_date_format'], $datetime);
        }
        break;

    }

    if (is_array($value)) {
      $values['params'][$key] = array();
      foreach ($value as $k => $val) {
        if ($val) {
          $values['params'][$key][] = $val;
        }
      }
    }
    else {
      if (strpos($value, '|')!==FALSE) {
        $values['params'][$key] = explode('|', $value);
      }
      elseif ($value==='' || $value===NULL) {
        unset($values['params'][$key]);
      }
    }
  }
  $form_state['redirect']= array($_GET['q'], array('query' => @$values['params']));
}

/**
 * Ajax form callback function
 * Enter description here ...
 * @param unknown_type $form
 * @param unknown_type $form_state
 */
function forena_parameters_callback($form, &$form_state) {
  return $form['params'];
}

/**
 * Implementation of hook_perm
 *
 * @return unknown
 */
function forena_permission() {
  $perms = array(
    'administer forena reports' => array('title' => t('Administer Forena Reports')),
    'access demo reports' => array('title' => t('Access Demo Reports')),
    'list reports' => array('title' => t('List reports')),
    'create any report' => array('title' => t('Create a report')),
    'design any report' => array('title' => t('Design reports')),
    'delete report' => array('title' => t('Delete reports')),
    'perform email merge' => array('title' => t('Peform email merge')),
    'access forena block xml' => array('title' => t('Access data from data blocks directly'), 'description' => t('Useful for ajax calls to data blocks')),
  );
  foreach (Frx::RepoMan()->repositories as $repos => $conf) {
    $name = $conf['title'] ? $conf['title'] : $repos;
    $perms['access '. $repos . ' data'] = array('title' =>  'Access ' . $name . ' Data');
  }
  return $perms;
}


function forena_user_reports($category = '') {
  require_once('forena.common.inc');
  $output='';
  $reports = forena_get_user_reports($category);
  $report_repos = variable_get('forena_path', 'reports');
  if (!$reports) {
    $output = 'No Reports Found';
  }
  $links = '';
  foreach ($reports as $category => $reports) {
    $links .= '<li><a href="#' . urlencode($category) . '">' . $category . '</a></li> ';
    $output .= '<h3 id="' . urlencode($category) . '">' . $category . '</h3>';
    $output .= '<ul>';
    foreach ($reports as $r) {
      $output .= '<li>' . l($r['title'], $report_repos . '/' . str_replace('/', '.', $r['report_name'])) . '</li>';
    }
    $output .= '</ul>';
  }
  return $output;
}

/**
 * Tries to load data tables libary and other libraries that help.
 */
function forena_include_data_tables() {
  static $init = FALSE;
  if (!$init) {
    $init = TRUE;
    $lib = 'sites/all/libraries/dataTables/media/js/jquery.dataTables.min.js';
    if (file_exists($lib)) {
      drupal_add_js($lib);
    }
    $lib = 'sites/all/libraries/FixedColumns/media/js/FixedColumns.min.js';
    if (file_exists($lib)) {
      drupal_add_js($lib);
    }
    $lib = 'sites/all/libraries/FixedHeader/js/FixedHeader.min.js';
    if (file_exists($lib)) {
      drupal_add_js($lib);
    }
  }
}


/**
 * Load and render a report based on a drupal path.
 * In this function the arglist is used to get the full path to the report.
 *
 * @return unknown
 */
function forena_report($name_in, $parms = NULL, $print = TRUE, $filename='') {
  require_once('forena.common.inc');
  $desc = Frx::Menu()->parseURL($name_in);
  $time = @new DateTime($value);
  $desc['time'] = date_format($time, 'Y-m-d H:i:s');
  $desc['basepath'] = base_path();
  if (!$desc['exists']) {
    watchdog('error', 'Report %s not found', array('%s' => $name_in), WATCHDOG_ERROR);
    if($print) {
      drupal_not_found();
      exit;
    }
    return '';
  }

  FrxData::instance()->setContext('cookie', $_COOKIE);
  FrxData::instance()->setContext('report', $desc);
  $report_name = $desc['name'];
  // Load dataTable plugin if possible.
  //forena_include_data_tables();
  $content = Frx::Editor($name_in, FALSE)->report($parms, $print, FALSE, $filename);

  $m_path = drupal_get_path('module', 'forena');
  if ($content) {
    // This has been deprecated, but we'll eave it in for now.
    if ($print) drupal_add_js($m_path . '/forena.js');
    $forena_js = array();
    $forena_js['form'] = preg_replace('/[^\w\-]+/u', '_', Frx::Skin()->name);
    $forena_js['report'] = preg_replace('/[^\w\-]+/u', '_', $name_in);
    if ($print) drupal_add_js(array('forena' => $forena_js), 'setting');
  }
  if (!$print && is_array($content)) {
    return drupal_render($content['content']);
  }
  return $content;


}

/**
 * Render report as an inlcude.  Don't perform the output fuctnions for the document
 * @param $report_name String
 * @param $parms array of parameters to include
 */
function forena_report_include($report_name, $parms=array()) {
  $output = '';
  require_once 'forena.common.inc';
  $desc= Frx::Menu()->parseURL($report_name);
  $name = $desc['name'];

  $r = @FrxReportGenerator::instance()->get_report($name, $parms);
  if (!$r || !$r->rpt_xml) {
    return '';
  }
  //check for default parameters
  $r->processParameters();
  $format = $desc['format'];
  $r->render($format, FALSE);

  $o =  Frx::Document($format);
  if ($o) {
    $output = $o->render($r, $format,  array());
  }
  return $output;
}


/**
 * Menu callback for rendering the forena report.
 */
function forena_report_menu_callback() {
  $args = func_get_args();
  $path = array_shift($args);
  $report_name = array_shift($args);
  $parms = $_GET;
  unset($parms['q']);
  $menu_parms = array();
  $tokens = Frx::Menu()->tokens($path);
  if ($args && $tokens) {
    foreach ($args as $i=> $value) {
      @$menu_parms[$tokens[$i]] = $value;
    }
  }

  Frx::Data()->setContext('menu-parms', $menu_parms);
  $parms = array_merge($parms, $menu_parms);
  $output = forena_report($report_name, $parms);
  if ($output) return $output;
}

/**
 * Used in hook_menu to test access to menu items.
 * @param $checks array key value of callbacks and args to check.
 */
function forena_check_all_access($checks) {
  // Check each callback function to see if we have an error.
  $access = FALSE;
  // Check each callback function to see if we have an error.
  if ($checks) foreach ($checks as $provider => $callbacks) {
    if (user_access('access ' . $provider . ' data')) foreach ($callbacks as $callback=>$args) {
      if ($callback) foreach ($args as $arg) {
        if (function_exists($callback) && $arg) {
          $a = $callback($arg);
          if ($a) $access = TRUE;
        }
        else {
          $access = TRUE;
        }
      }
      else {
        $access = TRUE;
      }
    }
  }
  return $access;
}

/**
 * Callback for setting international titles
 * @param $report_name string name of report
 * @param $use_menu_title boolean indicate wether to use menu title attribute.
 */
function forena_report_title_callback($report_name, $use_menu_title=TRUE) {
  $title = '';
  $info = Frx::File()->getReportCacheInfo($report_name);
  if ($info) {
    $title = $use_menu_title && $info && isset($info->cache['menu']['title']) ? $info->cache['menu']['title']:  $info->cache['title'];
  }
  return $title;
}


/**
 * Render report with some data
 *
 * @param string $report
 * @param string $format
 * @param mixed $data
 * @return unknown
 */
function forena_render_report($report, $format='', $data='', $options= array(), $print = TRUE) {
  require_once('forena.common.inc');
  $o = forena_report_object($report, $data);
  $output = $o->render($format, $print);

  //If a format was requested render a custom non-drupal document
  if ($format && $format != 'web') {
    $output = FrxReportGenerator::instance()->generate_doc($format, $output, $options, $print);
  }
  return $output;
}

/**
 * Self register plugins with forena.
 *
 */
function forena_forena_plugins() {
  $path = drupal_get_path('module', 'forena');

  $plugins['FrxPDO'] = array('file' => 'plugins/FrxPDO.inc',
                     'parent' => 'FrxDataSource',
                     'class' => 'FrxPDO',
                     'path' => $path,
  );

  $plugins['FrxOracle'] = array('file' => 'plugins/FrxOracle.inc',
                     'parent' => 'FrxDataSource',
                     'class' => 'FrxOracle',
                     'path' => $path,
  );

  $plugins['FrxDrupal'] = array(
                     'file' => 'plugins/FrxDrupal.inc',
                     'parent' => 'FrxDataSource',
                     'class' => 'FrxDrupal',
                     'path' => $path,
  );

  $plugins['FrxFiles'] = array('file' => 'plugins/FrxFiles.inc',
                     'parent' => 'FrxDataSource',
                     'class' => 'FrxFiles',
  );

  $plugins['FrxPostgres'] = array('file' => 'plugins/FrxPostgres.inc',
                     'class' => 'FrxPostgres',
                     'parent' => 'FrxDataSource'
  );

  $plugins['FrxMSSQL'] = array('file' => 'plugins/FrxMSSQL.inc',
                     'parent' => 'FrxDataSource',
                     'class' => 'FrxMSSQL',
                     'path' => $path,
  );
  // Normally you wouldn't do this but I wanted to make the FrxReport sytax work.
  $plugins['FrxReport'] = array(
    'file' => 'plugins/FrxReportContext.inc',
    'parent' => 'FrxContext',
    'class' => 'FrxReportContext',
    'path' => $path,
  );

  return $plugins;
}

/**
 * Self register document formats with Forena
 *
 */
function forena_forena_document_types() {
  require_once 'docformats/FrxWebDoc.inc';
  require_once 'docformats/FrxCSVDoc.inc';
  require_once 'docformats/FrxHtmlDoc.inc';
  require_once 'docformats/FrxSVGDoc.inc';
  require_once 'docformats/FrxWordDoc.inc';
  require_once 'docformats/FrxXLSDoc.inc';
  require_once 'docformats/FrxXMLDoc.inc';
  require_once 'docformats/FrxEmailMergeDoc.inc';
  $items['web'] = array(
    'class' => 'FrxWebDoc',
    'title' => t('Themed Drupal Page'),
  );

  $items['csv'] = array(
    'class' => 'FrxCSVDoc',
    'title' => t('Comma separated values'),
  );

  $items['email'] = array(
    'class' => 'FrxEmailMergeDoc',
    'title' => t('Email Merge Document'),
  );

  $items['html'] = array(
    'class' => 'FrxHtmlDoc',
    'title' => t('Unthemed HTML'),
  );

  $items['svg'] = array(
    'class' => 'FrxSVGDoc',
    'title' => t('SVG Document'),
  );

  $items['doc'] = array(
    'class' => 'FrxWordDoc',
    'title' => t('MS Word Document format'),
  );

  $items['xls'] = array(
    'class' => 'FrxXLSDoc',
    'title' => t('Excel Document'),
  );

  $items['xml'] = array(
    'class' => 'FrxXMLDoc',
    'title' => t('XML Document'),
  );
  return $items;
}

/**
 * Self register controls with forena.
 *
 */
function forena_forena_controls() {


  $controls[] = array(
    'file' => 'plugins/FrxControls.inc',
    'class' => 'FrxControls',
  );
  $controls[] = array(
    'file' => 'plugins/FrxDrupalControls.inc',
    'class' => 'FrxDrupalControls',
  );

  $controls[] = array(
    'file' => 'renderers/FrxSection.inc',
    'class' => 'FrxSection',
  );

  $controls[] = array(
  	'file' => 'renderers/FrxCrosstab.inc',
    'class' => 'FrxCrosstab',
  );

  $controls[] = array(
      'file' => 'renderers/FrxEmailMerge.inc',
      'class' => 'FrxEmailMerge',
  );

  $controls[] = array(
      'file' => 'renderers/FrxFieldTable.inc',
      'class' => 'FrxFieldTable',
  );

  $controls[] = array(
  	'file' => 'renderers/FrxRenderer.inc',
    'class' => 'FrxRenderer',
  );

  $controls[] = array(
  	'file' => 'renderers/FrxTable.inc',
    'class' => 'FrxTable',
  );

  $controls[] = array(
      'file' => 'renderers/FrxMergeDocument.inc',
      'class' => 'FrxMergeDocument',
  );

  $controls[] = array(
    'file' => 'renderers/FrxSource.inc',
    'class' => 'FrxSource',
  );

  $controls[] = array(
    'file' => 'renderers/FrxXML.inc',
    'class' => 'FrxXML',
  );

  $controls[] = array(
    'file' => 'renderers/FrxInclude.inc',
    'class' => 'FrxInclude',
  );

  $controls[] = array(
    'file' => 'renderers/FrxMyReports.inc',
    'class' => 'FrxMyReports',
  );

  $controls[] = array(
    'file' => 'renderers/FrxParameterForm.inc',
    'class' => 'FrxParameterForm',
  );

  $controls[] = array(
    'file' => 'renderers/FrxTitle.inc',
    'class' => 'FrxTitle',
  );

  if (forena_library_file('SVGGraph')) {
    $controls[] = array(
      'file' => 'renderers/FrxSVGGraph.inc',
      'class' => 'FrxSVGGraph'
      );
  }
  return $controls;
}

/**
 * Implementation of forena_report_directory hook.
 */
function forena_forena_report_directory() {
  return drupal_get_path('module', 'forena') . '/repos/reports';
}

/**
 * Load the report repository path
 *
 * @return unknown
 */
function forena_report_path() {
  return Frx::File()->dir;
}

/**
 * Rename function for backwards compatibility
 */
function forena_current_user_uid() {
  return forena_current_user_id();
}

/**
 * Helper function for current user for the drupal instance
 *
 * @return unknown
 */
function forena_current_user_id() {
  global $user;
  return $user->uid;
}

/**
 * Helper function for current user for the drupal instance
 *
 * @return unknown
 */
function forena_current_user_name() {
  global $user;
  if (isset($user->name)) return $user->name;
}

/**
 * Implememntation of hook_filter
 */
function forena_filter_info() {

  $filters['forena_report'] = array(
    'title' => t('Embed Forena Reports'),
    'description' => t('Allows you to embed a report in a text'),
    'process callback' => '_forena_filter_process',
    'cache' => FALSE,
  );

  return $filters;
}

/**
 * Process tag replacement for xml filters
 */
function _forena_filter_process($text='') {
  require_once('forena.admin.inc');
  GLOBAL $language;
  // initial Parameters
  $in_parms = array();
  $in_parms  = $_GET;

  // Find the instances of [xmlreport:view,
  if (preg_match_all("/\[report?:?([^\]]+)\]/i", $text, $match)) {

    foreach ($match[1] as $idx => $value) {
      $parms=array();
      // Separate view from parmeters
      @list($report_name, $parmsStr) = explode(':', $value);

      // Get any static parmeters
      $pairs = explode(',', $parmsStr);
      if ($pairs) foreach ($pairs as $pair) {
        @list($key, $value)=explode('=', $pair);
        $parms[$key]=$value;
      }

      $parms = array_merge($parms, $in_parms);
      // Render it
      $output = forena_report($report_name, $parms, FALSE);

      // Finally replace the parameters
      $find[]=$match[0][$idx];
      $replace[]=$output;
    }
    return str_replace($find, $replace, $text);
  }
  // If we didn't find anything return the text.
  return $text;
}

/**
 * Impementation of hook_mail
 * Builds an email to send when mailing large numbers of users.
 */
function forena_mail($key, &$message, $parms) {
  switch ($key) {
    case 'mailmerge':
      $message['subject'] = $parms['subject'];
      $body = $parms['body'];
      $message['body'][] = $body;
      if (isset($parms['headers'])) $message['headers'] += $parms['headers'];
      $htmlmail = FALSE;
      break;
  }
}


/**
 * Make sure a drectory exists in the report path prior to save.
 *
 * @param $fullpath Full path to the drectory to be copied
 * @param $recursive Whether we are in a recursive call.
 */
function _forena_verify_directory($fullpath, $recursive=FALSE) {
  static $path='';
  $success = TRUE;
  if (!$recursive) {
    $path = forena_report_path();
    if (!is_writable($path)) {
      drupal_set_message(t('Report directory %s is not modifiable', array('%s' => $path)), 'error', FALSE);
      return FALSE;
    }
  }
  @list($dir, $file) = explode('/', $fullpath, 2);
  $path .= '/' . $dir;

  // Path
  if (!file_exists($path) && $file) {
    @mkdir($path);
    if (!@is_writable($path)) {
      drupal_set_message(t('Error creating directory %path', array('%path' => $path)), 'error');
      return FALSE;
    }

  }
  // Recurse to next file.
  if ($file && strpos($file, '/')) {
    _forena_verify_directory($file, TRUE);
  }
  return TRUE;
}


/**
 * Recursively ,  all report files from the source directory to the destination directory
 * @param $src_dir  Source directory to copy files from
 */
function _forena_revert_reports($subdir = '') {
  static $cnt = 0;
  $cnt++;
  if ($cnt > 100) return 0;
  $i = 0;
  $src_dir = rtrim(Frx::File()->dir, '/');
  if ($subdir) $src_dir .= '/' . $subdir;
  $d = dir($src_dir);
  while ($d && false !== ($rpt_file = $d->read())) {
    $src_file = $d->path . '/' . $rpt_file;
    if (strpos($rpt_file, '.')!==0 && is_file($src_file)) {
      $filename = $subdir ? "$subdir/$rpt_file" : $rpt_file;
      $i += Frx::File()->revert($filename);
    }
    else {
      if (strpos($rpt_file, '.')!==0) {
        // Recurse into sub directory

        $dir = $subdir ? $subdir . '/' . $rpt_file : $rpt_file;
        $i += _forena_revert_reports($dir);
      }
    }
  }
  if ($d) $d->close();
  return $i;
}


/**
 *
 * Enter description here ...
 * @param $copy_reports If true, reports will by re-copied from
 *         module source files to destination.
 */
function forena_sync_reports($copy_reports=FALSE) {
  if ($copy_reports) {
    $i = _forena_revert_reports();
    if ($i > 0) drupal_set_message($i . ' reports reverted');
  }
}

function forena_theme() {
  return array(
    'forena_web_report' => array(
      'variables' => array('doc_types' => NULL, 'parameters' => NULL, 'content' => NULL),
     ),
    'forena_inline_form_element' => array(
      'render element' => 'element',
      'file' => 'forena.common.inc',
     ),
    'forena_inline_field' => array(
      'render element' => 'field',
      'file' => 'forena.common.inc',
    ),
    'forena_fieldset_template' => array(
      'render element' => 'fieldset',
      'file' => 'forena.common.inc',
    ),
    'forena_data_table' => array(
    	'file' => 'forena.common.inc',
      'variables' => array('header' => NULL, 'data' => NULL),
      ),
    'forena_report_parameters_form' => array(
    	'file' => 'forena.report.inc',
      'render element' => 'form',
    ),
    'forena_element_draggable' => array(
    	'file' => 'forena.report.inc',
      'render element' => 'element',
    ),
  );
}

/**
 * Default theme function for forena web reports.
 * @param $variables Array of variables to theme
 */
function theme_forena_web_report ($variables) {
  $output = '';
  if (@$variables['parameters']) {
    $output .= '<div id="forena-parameters">' . $variables['parameters'] . '</div>';
  }
  if (@$variables['doc_links']) {
    $output .= "<div id='forena-doc-links'>" . $variables['doc_links']. '</div>';
  }
  $output .= '<div class="forena-report">' . $variables['content'] . '</div>';
  return $output;
}


/**
 * Iemplents hook_views_api
 * @return multitype:number The Ambigous <The, string>
 */
function forena_views_api() {
  return array(
    'api' => 3,
    'path' => drupal_get_path('module', 'forena') ,
    'template path' => drupal_get_path('module', 'forena') ,
  );
}

/**
 * Implements hook_feeds_plugins().
 */
function forena_feeds_plugins() {
  module_load_include('inc', 'forena', 'feeds/forena_feeds');
  return _forena_feeds_plugins();
}


/**
 * Implements hook_bean_types_api_info().
 */
function forena_bean_types_api_info() {
  return array('api' => 4);
}


/**
 * Implements hook_bean_types().
 */
function forena_bean_types() {
  $plugins = array();
  $plugin_path = drupal_get_path('module', 'forena') . '/bean';
  $plugins['forena'] = array(
    'label' => t('Forena report'),
    'description' => t('Display a report.'),
    'handler' => array(
      'class' => 'FrxBean',
      'parent' => 'bean',
      'path' => $plugin_path,
      'file' => 'FrxBean.inc',
  ),
    'path' => $plugin_path,
    'file' => 'FrxBean.inc',
  );
  return $plugins;
}

/**
 * Function to reflect back forms that are built by classes
 * @param $formid
 * @param $form_state form state array
 * @param $form array of form elements to be reflected
 */
function forena_form_reflector($formid, &$form_state, $form) {
  return $form;
}

function forena_requirements($phase) {
  $requirements = array();
  switch ($phase) {
  	case 'runtime':
  	  $writeable = is_writable(Frx::File()->dir);
  	  if (!$writeable) {
    	  $requirements['fornea_writable'] = array(
    	    'title' => 'Forena Report Directory',
    	    'value' => Frx::File()->dir,
    	    'severity' => REQUIREMENT_ERROR,
    	    'description' => t('The directory must be writable by the web user in order to create custom reports. '),
    	  ) ;
  	  }

  	  $req = array('severity' => REQUIREMENT_INFO, 'requirement');
  	  $libraries = array('dataTables' ,'mpdf', 'prince', 'SVGGraph' );
  	  foreach ($libraries as $lib) {
  	    $requirements['forena_' . $lib] = $req;
  	    $requirements['forena_' . $lib]['title'] = "Forena $lib support";
  	    $requirements['forena_' . $lib]['value'] = forena_library_file($lib) ? t('Enabled') : t('Not Enabled:');
  	    $requirements['forena_' . $lib]['severity'] = forena_library_file($lib) ? REQUIREMENT_OK : REQUIREMENT_INFO;
  	  }
  	  if (!module_exists('forena_pdf')) {
  	    unset($requirements['forena_prince']);
  	    unset($requirements['forena_mpdf']);
  	  }
  	  break;
  }
  return $requirements;
}

/**
 * Custom override of machine_name validate that does not include
 * @param unknown $element
 * @param unknown $form_state
 */
function forena_machine_name_validate($element, &$form_state) {

  // Verify that the machine name not only consists of replacement tokens.
  if (preg_match('@^' . $element['#machine_name']['replace'] . '+$@', $element['#value'])) {
    form_error($element, t('The machine-readable name must contain unique characters.'));
  }

  // Verify that the machine name contains no disallowed characters.
  if (preg_match('@' . $element['#machine_name']['replace_pattern'] . '@', $element['#value'])) {
    if (!isset($element['#machine_name']['error'])) {
      // Since a hyphen is the most common alternative replacement character,
      // a corresponding validation error message is supported here.
      if ($element['#machine_name']['replace'] == '-') {
        form_error($element, t('The machine-readable name must contain only letters, numbers, and hyphens.'));
      }
      // Otherwise, we assume the default (underscore).
      else {
        form_error($element, t('The machine-readable name must contain only letters, numbers, and underscores.'));
      }
    }
    else {
      form_error($element, $element['#machine_name']['error']);
    }
  }

}

function forena_process_machine_name($element, &$form_state) {
  $element['#machine_name']['replace_pattern'] = '[^A-Za-z0-9_\.\/]+';
  return $element;
}


/**
 * Create a derivative to the machine name field with relaxed restrictions.
 * @return multitype:boolean string NULL number multitype:string
 */
function forena_element_info() {
  $types['forena_machine_name'] = array(
    '#input' => TRUE,
    '#element_validate' => array('forena_machine_name_validate'),
    '#default_value' => NULL,
    '#size' => 60,
    '#maxlength' => 64,
    '#required' => TRUE,
    '#autocomplete_path' => FALSE,
    '#process' => array(
  	  'form_process_machine_name',
      'forena_process_machine_name',
      'ajax_process_form',
     ),
    '#theme_wrappers' => array('form_element'),
    '#theme' => 'textfield',
  );
  return $types;
}