<?php
// $Id: stormknowledgebase.admin.inc,v 1.2.4.11.2.1 2011-02-09 21:34:22 juliangb Exp $

/**
 * @file
 */

function stormknowledgebase_list() {
  $breadcrumb = array();
  $breadcrumb[] = l(t('Storm'), 'storm');
  drupal_set_breadcrumb($breadcrumb);

  $i = new stdClass();
  $i->type = 'stormknowledgebase';

  $params = $_GET;

  $header = array(
    array(
      'data' => t('Title'),
      'field' => 'n.title',
    ),
    array(
      'data' => t('Topic'),
      'field' => 'skb.topic',
    ),
    array(
      'data' => storm_icon_add_node($i, $params),
      'class' => 'storm_list_operations',
    ),
  );

  $s  = "SELECT n.nid, n.title, skb.* FROM {node} AS n INNER JOIN {stormknowledgebase} AS skb ON n.vid=skb.vid WHERE n.status=1 AND n.type='stormknowledgebase' ";

  $where = array();
  $args = array();
  $filterfields = array();

  $topic = $_SESSION['stormknowledgebase_list_filter']['topic'];
  if(!$topic) {
    $topic_list = stormattribute_attributes_bydomain('Knowledge base topic');
    $topic = $topic_list['default'];
    $_SESSION['stormknowledgebase_list_filter']['topic'] = $topic;
  }
  if ($topic && $topic != '-') {
    $where[] = "skb.topic='%s'";
    $args[] = $topic;
    $filterfields[] = 'Topic';
  }
  $itemsperpage = $_SESSION['stormknowledgebase_list_filter']['itemsperpage'];
  if (!$itemsperpage) {
    // Sets for fieldset label, doesn't affect actal filter.
    $itemsperpage = variable_get('storm_default_items_per_page', 10);
  }

  if (count($filterfields) == 0) {
    $filterdesc = t('Not filtered');
  }
  else {
    $filterdesc = t('Filtered by !fields', array('!fields' => implode(", ", array_unique($filterfields))));
  }
  $filterdesc .= ' | '. t('!items items per page', array('!items' => $itemsperpage));
  
  $o = drupal_get_form('stormknowledgebase_list_filter', $filterdesc);

  $s = stormknowledgebase_access_sql($s, $where);
  $s = db_rewrite_sql($s);
  $tablesort = tablesort_sql($header);

  $r = pager_query($s . $tablesort, $itemsperpage, 0, NULL, $args);

  $notes = array();
  while ($item = db_fetch_object($r)) {
    $notes[] = $item;
  }

  $o .= theme('stormknowledgebase_list', $header, $notes);
  $o .= theme('pager', NULL, $itemsperpage, 0);
  print theme('page', $o);
}

function stormknowledgebase_list_filter(&$form_state, $filterdesc = 'Filter') {
  $topic_list = stormattribute_attributes_bydomain('Knowledge base topic');
  $topic = $_SESSION['stormknowledgebase_list_filter']['topic'];

  $itemsperpage = $_SESSION['stormknowledgebase_list_filter']['itemsperpage'];
  if (!$itemsperpage) {
    $itemsperpage = variable_get('storm_default_items_per_page', 10);
    $_SESSION['stormknowledgebase_list_filter']['itemsperpage'] = $itemsperpage;
  }

  $form = array();

  $form['filter'] = array(
    '#type' => 'fieldset',
    '#title' => $filterdesc,
    '#collapsible' => true,
    '#collapsed' => true,
  );

  $form['filter']['group1'] = array(
    '#type' => 'markup',
    '#theme' => 'storm_form_group',
  );

  $form['filter']['group1']['topic'] = array(
    '#type' => 'select',
    '#title' => t('Topic'),
    '#default_value' => $topic,
    '#options' => $topic_list['values'],
  );

  $form['filter']['group2'] = array(
    '#type' => 'markup',
    '#theme' => 'storm_form_group',
  );

  $form['filter']['group2']['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Filter'),
    '#submit' => array('stormknowledgebase_list_filter_filter'),
  );

  $form['filter']['group2']['reset'] = array(
    '#type' => 'submit',
    '#value' => t('Reset'),
    '#submit' => array('stormknowledgebase_list_filter_reset'),
  );

  $form['filter']['group2']['itemsperpage'] = array(
    '#type' => 'textfield',
    '#title' => t('Items'),
    '#size' => 10,
    '#default_value' => $itemsperpage,
    '#prefix' => '<div class="container-inline">',
    '#suffix' => '</div>',
  );

  return $form;

}

function stormknowledgebase_list_filter_reset($form, &$form_state) {
  unset($_SESSION['stormknowledgebase_list_filter']);
}

function stormknowledgebase_list_filter_filter($form, &$form_state) {
  $_SESSION['stormknowledgebase_list_filter']['itemsperpage'] = $form_state['values']['itemsperpage'];
  $_SESSION['stormknowledgebase_list_filter']['topic'] = $form_state['values']['topic'];
}