<?php
// $Id$

/**
 * @file
 * Description of table.module
 */

/**
 * Implementation of hook_menu().
 */
function table_menu($may_cache) {
  $items = array();

  if ($may_cache) {
    $items[] = array(
      'path' => 'admin/settings/table', 
      'title' => t('table'),
      'callback' => 'drupal_get_form',
      'callback arguments' => array('table_settings_page'),
      'access' => TRUE
    );
  }
  return $items;
}

function table_settings_page() {
  $form = array(
    'system' => array(
      '#type' => 'table_table',
      '#header' => array(
        NULL,
        array('data' => t('Filename'), 'field' => 'filename'),
        array('data' => t('Name'), 'field' => 'name', 'sort' => 'asc'),
        array('data' => t('Type'), 'field' => 'type'),
      ),
    ),  
  );
  
  
  $result = pager_query('SELECT filename, name, type, status FROM {system}'. tablesort_sql($form['system']['#header']), 5);
  
  while ($file = db_fetch_object($result)) {
    $form['system'][] = array(
      'status' => array(
        '#type' => 'table_cell',
        'status' => array(
          '#type' => 'checkbox',
          '#default_value' => $file->status,
        ),
      ),
      'filename' => $file->filename,
      'name' => $file->name,
      'type' => $file->type,
    );
  }

  $form['pager'] = array('#value' => theme('pager', NULL, 50, 0));
  
  var_export($form);
  
  return $form;
}


function theme_table_table($element) {
  $output = $element['#prefix'] .'<table'. drupal_attributes($element['#attributes']) .">\n";
  
  if (!empty($element['#caption'])) {
    $output .= '<caption>'. $element['#caption'] ."</caption>\n";
  }
  
  if (!empty($element['#header'])) {
    $output .= '<thead>'. drupal_render($element['#header']) ."</thead>\n";
  }
  
  $output .= "<tbody>\n". $element['#children'] ."</tbody>\n";
  
  $output .= "</table>\n". $element['#suffix'];

  return $output;  
}


function theme_table_row($element) {
  $output = '<tr'. drupal_attributes($element['#attributes']) .'>';
  $output .= $element['#prefix'] . $element['#children'] . $element['#suffix'];
  $output .= "</tr>\n";
  
  return $output;
}

function theme_table_cell($element) {
  $tag = isset($element['#header']) && $element['#header'] ? 'th' : 'td';
  
  $output = "<$tag". drupal_attributes($element['#attributes']) .'>';
  $output .= $element['#prefix'] . $element['#value'] . $element['#children'] . $element['#suffix'];
  $output .= "</$tag>";
  
  return $output;
}


function expand_table_table($element) {  
  if (isset($element['#summary'])) {
    $element['#attributes']['summary'] = $element['#summary'];
    unset($element['#summary']);
  }

  $column = NULL;

  if (!empty($element['#header'])) {
    $tablesort = tablesort_init($element['#header']);

    foreach ($element['#header'] as $key => $cell) {
      $cell = tablesort_header($cell, NULL, $tablesort);

      $element['#header'][$key] = array(
        '#type' => 'table_cell', 
        '#value' => $cell['data'],
        '#header' => TRUE,
        '#weight' => $key,
      );
    }
    
    if (isset($tablesort['sql'])) {
      $column = $tablesort['sql'];
    }
  }

  foreach (element_children($element) as $i => $row) {
    $element[$row]['#type'] = 'table_row';
    $class = ($i % 2 == 1) ? 'even': 'odd';

    if (isset($element[$row]['#attributes']['class'])) {
      $element[$row]['#attributes']['class'] .= ' '. $class;
    }
    else {
      $element[$row]['#attributes']['class'] = $class;
    }
    
    foreach (element_children($element[$row]) as $cell) {
      if (!is_array($element[$row][$cell])) {
        $element[$row][$cell] = array(
          '#value' => $element[$row][$cell],
        );
      } elseif (isset($element[$row][$cell]['#type']) && $element[$row][$cell]['#type'] != 'table_cell') {
        $element[$row][$cell] = array(
          $cell => $element[$row][$cell],
        );
      }

      $element[$row][$cell]['#type'] = 'table_cell';
      
      if (!is_null($column) && $cell == $column) {
        if (isset($element[$row][$cell]['#attributes']['class'])) {
          $element[$row][$cell]['#attributes']['class'] .= ' active';
        }
        else {
          $element[$row][$cell]['#attributes']['class'] = 'active';
        }
      }

      if (isset($element[$row][$cell]['#colspan'])) {
        $element[$row][$cell]['#attributes']['colspan'] = $element[$row][$cell]['#colspan'];
      }
      if (isset($element[$row][$cell]['#rowspan'])) {
        $element[$row][$cell]['#attributes']['rowspan'] = $element[$row][$cell]['#rowspan'];
      }
      unset($element[$row][$cell]['#colspan'], $element[$row][$cell]['#rowspan']);
    }
  }
  
  return $element;
}


function table_elements() {
  return array(
    'table_table' => array(
      '#process' => array(
        'expand_table_table' => array(),
      ),
    ),
    'table_row' => array(),
    'table_cell' => array(),
  );
}