ss.php

ss.php

<?php
//include(drupal_get_path('module', 'node'). '/node.pages.inc');
module_load_include('inc', 'node', 'node.pages');
/**
  * Implementation of hook_menu().
  */
function the_hook_menu() {
  $items['examine/%node'] = array(
    'title' => t('Evaluate Homework Option'),
    'description' => t('Evaluate homework description'),
    'page callback' => 'examine_homework',
    'page arguments' => array(1),
    'access callback' => 'examine_homework_access',
    'type' => MENU_CALLBACK,
  );

  $items['evaluation/list'] = array(
    'title' => t('Evaluation List'),
    'description' => t('Evaluation List of homework'),
    'page callback' => 'evaluation_list',
    'page arguments' => array(1),
    'access callback' => 'examine_homework_access',
    'type' => MENU_CALLBACK,
  );

  $items['evaluation/delete/%'] = array(
    'title' => t('Evaluation Delete'),
    'description' => t('Evaluation Delete'),
    'page callback' => 'evaluation_delete',
    'page arguments' => array(2),
    'access callback' => 'examine_homework_access',
    'type' => MENU_CALLBACK,
  );

  $items['evaluation/options/%'] = array(
    'title' => t('Evaluation Options'),
    'description' => t('Evaluation Options'),
    'page callback' => 'evaluation_options',
    'page arguments' => array(2),
    'access callback' => 'examine_homework_access',
    'type' => MENU_CALLBACK,
  );
  
  $items['evaluation/result/%'] = array(
    'title' => t('Evaluation Result'),
    'description' => t('Evaluation Result'),
    'page callback' => 'evaluation_result',
    'page arguments' => array(2),
    'access callback' => 'examine_homework_access',
    'type' => MENU_CALLBACK,
  );

  $items['export/%/%'] = array(
    'title' => t('Export '),
    'description' => t('Export Evaluation data'),
    'page callback' => 'evaluation_export',
    'page arguments' => array(1, 2),
    'access callback' => 'examine_homework_access',
    'type' => MENU_CALLBACK,
  );
  return $items;
}

function evaluation_export($nid, $format) {
  $ret = sprintf("Exporting node %d in %s format.", $nid, $format);
  $ret .= "<br><br><b><font color='red'>Under Contruction!</font></b>";
  return t($ret); 
}
function evaluation_result($nid) {
  $header= array(t('Similarity'), t('Total'), t('Histogram'));
  $rows = array();
  $tmp[] = "90% - 100%";
  $tmp[] = "27";
  $tmp[] = "##"; 
  $rows[] = $tmp;

  $tmp = array();
  $tmp[] = "80% - 90%";
  $tmp[] = "8";
  $tmp[] = "#"; 
  $rows[] = $tmp;

  $tmp = array();
  $tmp[] = "70% - 80%";
  $tmp[] = "6";
  $tmp[] = "#"; 
  $rows[] = $tmp;

  $tmp = array();
  $tmp[] = "60% - 70%";
  $tmp[] = "13";
  $tmp[] = "#"; 
  $rows[] = $tmp;

  $tmp = array();
  $tmp[] = "50% - 60%";
  $tmp[] = "14";
  $tmp[] = "#"; 
  $rows[] = $tmp;

  $tmp = array();
  $tmp[] = "40% - 50%";
  $tmp[] = "24";
  $tmp[] = "##"; 
  $rows[] = $tmp;

  $tmp = array();
  $tmp[] = "30% - 40%";
  $tmp[] = "50";
  $tmp[] = "########"; 
  $rows[] = $tmp;

  $tmp = array();
  $tmp[] = "20% - 30%";
  $tmp[] = "142";
  $tmp[] = "###################"; 
  $rows[] = $tmp;

  $tmp = array();
  $tmp[] = "10% - 20%";
  $tmp[] = "207";
  $tmp[] = "#############################"; 
  $rows[] = $tmp;

  $tmp = array();
  $tmp[] = "0% - 10%";
  $tmp[] = "685";
  $tmp[] = "##############################################################"; 
  $rows[] = $tmp;

  $std = array(
        array('x',  1,     2,       3,     4),
        array('1', "-",   "33.3%", "66%", "10%"),
        array('2', "10%", "-",     "80%", "12%"),
        array('3', "10%", "67%",   "-",   "13%"),
        array('4', "10%", "40%",   "10%", "-"),
      );
  
  $ret = t('Summary')
        .theme('table', $header, $rows)
        .l(t('Export to CSV'), 'export/'.$nid.'/csv')
        ."<br>"
        ."<br>"
        .t('Similarity percentage by student')
        .theme('table', array(), $std)
        .l(t('Export to CSV'), 'export/'.$nid.'/csv');
  return $ret; 
}
function evaluation_options($nid) {
  if (user_access('create homework content')) {
     $detail = variable_get('hw_'.$nid, NULL);
     if ($detail != NULL) {
       $unserialized = unserialize($detail);
       //drupal_set_message('<pre>'. print_r(unserialize($detail), 1) . '</pre>');
     }
  }
  $form_id = 'inspection_condition';
  $form = $unserialized;

  unset($form['submit']);
  $ret = drupal_render_form($form_id, $form);
  return $ret;
}

function evaluation_delete($nid) {
  if (user_access('create homework content')) {
     variable_set('hw_'.$nid, NULL);
     drupal_set_message($nid. t('Deleted'));
     drupal_goto('evaluation/list');
  }
  return '';
}

function the_hook_inspection_condition_alter(&$form, &$form_state) {
  drupal_set_message("I DO HOOK");
}

function evaluation_list() {
  $qry = db_query('SELECT * FROM {node} n WHERE n.type = "homework"');
  $rows = array();
  while ($node = db_fetch_object($qry)) {
    $get_status = variable_get('hw_'. $node->nid, "NULL");
    $tmp = array($node->nid);
    $tmp[] = $node->title;
    if ($get_status != "NULL") {
     $header= array(t('Id'), t('Title'), t('Operation'));
     if (user_access('create homework content')) {
       $teacher_opt =   " | ". l(t('Delete'), 'evaluation/delete/'.$node->nid) . " | " .l(t('Evaluate Options'), 'evaluation/options/'.$node->nid) ;
     }
     $tmp[] = l(t('Result'), 'evaluation/result/'.$node->nid). $teacher_opt
             . ""; 
    }
    else {
     //$tmp[] = 'null';
     continue;
    }
    $rows[] = $tmp;
  } 
  return theme('table', $header, $rows);
}
/**
  *  Return Evaluation form's Options (generated)
  */
function examine_homework($node) {
  $breadcrumb = drupal_get_breadcrumb();
  $breadcrumb[] = l(t('Evaluate'), 'list_of_homeworks');
  $breadcrumb[] = l(drupal_get_title(), 'examine/'.$node->nid ); // Link to current URL
  drupal_set_breadcrumb($breadcrumb);

  $output = '<div class="inspecting-wrapper"><h2>' . t('Evaluation Options of '). $node->title . '</h2></div>';
  $output.= drupal_get_form(inspection_condition);
  return $output;
}

function inspection_condition_submit($form, &$form_state) {
  //node_form_submit_build_node($form, &$form_state);
  //$node = node_form_submit_build_node($form, $form_state);
  //drupal_set_message("<pre>". print_r($node, 1). "</pre>");
  //drupal_set_message(print_r($form, 1)); 
  //form_execute_handlers('submit', $form, $form_state);
  //$node = node_submit($form_state['values']);
  //$n = node_load(array('nid' => 40));
  //drupal_set_message(print_r($n, 1));
  $serialize = serialize($form);
  $dir = opendir(file_create_path(arg(1)));

  //List files in images directory
  while (($file = readdir($dir)) !== false) {
    if ( $file != "." && $file != "..")  {  
      drupal_set_message("filename: " . file_create_path(arg(1).'/'.$file) . "<br />");
    }
  }

  closedir($dir);
      
  variable_set('hw_'. arg(1), $serialize);
  drupal_goto('evaluation/list');
  return '';
}
/**
  *  implementation of evaluation form using drupal form api 
  */
function inspection_condition($form_state) {
  $form['structural'] = array(
    '#type' => 'fieldset',
    '#title' => t('Structural Similarity'),
    '#tree' => TRUE,
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );

  $form['structural']['options'] = array(
    '#type' => 'checkboxes', 
    '#title' => t('Options'), 
    '#options' => array( 
      'syntax_sim_wo_var_name' => t('Check syntax similarities regardless of variable name.'), 
      'implicit_cast_data_type' => t('Check Implicit casting data types.'), 
      'condition_similarity' => t('Conditional statements (if and switch) will be considered to be similar.'), 
      'iteration_structure' => t('Loops (for, while, and do ... while) will be considered to be similar.'), 
      'ignore_print' => t('Check for similarities regardless of the output from I/O function.'), 
      'ignore_include' => t('Check for similarities regardless of the order of the #include directive.'), 
      'ignore_func_declaration' => t('Check for similarities regardless of the order of the declaration of functions.'), 
    ),
    '#description' => t('Sieve engine will use conditions above to compute similarity.'),
  );

  $form['algorithm'] = array(
    '#type' => 'fieldset',
    '#title' => t('Algorithm Similarity'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );

  $form['algorithm']['options'] = array(
    '#type' => 'checkboxes', 
    '#title' => t('Options'), 
    '#options' => array( 
      'looping_condition' => t('Check for similarities between the looping before condition and looping after condition.'), 
      'looping_direction' => t('Check for similarities of the use of ascending and descending counter.'), 
    ),
    '#description' => t('Sieve engine will use conditions above to compute similarity.'),
  );
 $form['submit'] = array('#type' => 'submit', '#value' => t('Inspect'));
 //$form['#submit'][] = 'system_settings_form_submit';
//  $form['#theme'] = 'system_settings_form'
 
 return $form;
}

/**
  *  Menu access callback 
  */
function examine_homework_access() {
  return TRUE;
}

/**
  *  Implementation of hook_views_pre_render
  */
function the_hook_views_pre_render(&$view) {
  switch($view->name) {
    case 'file_in_hw':
      if(arg(2) == 'list') {
        $php_code = "<?php echo l(t('Inspect!'), 'examine/'. arg(1)); ?>";
        $view->display_handler->set_option('header', "<div class='inspect-homework-views margin-bottom-10'>$php_code</div>");
        $view->display_handler->set_option('header_format', '3');
        $view->display_handler->set_option('header_empty', 0);
      }
     break;
    case 'student_dl_homework':
      global $user;

      if(!arg(1)) {
        drupal_goto('student_download_homework/'. $user->uid);
      }

      if(!user_access('create homework content') && (arg(1) != $user->uid) ) {
        drupal_access_denied();
      }
     break;
  }
}

/**
  *  Implementation of hook_form_alter
  */
function the_hook_form_alter(&$form, &$form_state, $form_id) {
  global $user;
  switch($form_id) {
    case 'comment_form': 
      $form['comment_filter']['comment']['#required'] = 0;
      $form['attachments']['#collapsed'] = TRUE;
      break;
    case 'submission_node_form':
      profile_load_profile($user);
      $form['attachments']['#collapsed'] = FALSE;
      $form['attachments']['#required'] = TRUE;
      if(arg(1) == 'add' || arg(2) == 'edit') {
        $stu_id = $user->profile_student_id;
        $form['title']['#default_value'] = $stu_id? $stu_id : 'undefined';
        $form['title']['#disabled'] = TRUE;
      }
      $form['title']['#required'] = FALSE;
      $form['body_field']['body']['#rows'] = 3;
      $form['body_field']['body']['#title'] = t("Notice");
    break;
    case 'homework_node_form':
      $form['language']['#type'] = 'hidden';
    break;

    case 'inspection_condition':
    break;
  }
}

/**
  *  Implementation of hook_link_alter
  */
function the_hook_link_alter(&$links, $node, $comment=NULL) {
  if($node->type=="homework") {
    global $user;
    $u = user_load(array('uid' => $comment->uid));
    profile_load_profile($u);
    if($u->profile_student_id != "-") {
      $tmp_name = $comment->name;
      $comment->name = $u->profile_student_id;
      $comment->name .= " ($tmp_name)";
    }

    if(!$comment->cid) {
      if(user_access('create homework content')) {
        $links['list_students'] =  array(
                            'title' => t('Submitted Students'),
                            'href' => 'hwfiles/'. $node->nid. '/list',
                          );
      }

      $fetched = submitted_count($node->nid, $user->uid);
      if($fetched->count !== NULL) {
        $links['my_homework'] =  array(
                            'title' => t('My Homework'),
                            'href' => 'node/'. $fetched->nid,
                            );
      }
    }
  }
}

/**
  *  Query number of homework which submitted.
  */
function submitted_count($nid, $uid) {
  $qry = "SELECT COUNT(node.nid) as count, node.nid AS nid, users.uid AS users_uid, node.language AS node_language, node_data_field_assignment.field_assignment_nid AS node_data_field_assignment_field_assignment_nid, node.type AS node_type, node.vid AS node_vid FROM sieve_node node  INNER JOIN sieve_users users ON node.uid = users.uid LEFT JOIN sieve_content_type_submission node_data_field_assignment ON node.vid = node_data_field_assignment.vid WHERE node_data_field_assignment.field_assignment_nid=%d AND users.uid =%d GROUP BY(users.uid) ORDER BY users_uid ASC ";
  $db_qry = db_query($qry, $nid, $uid);
  $fetched = db_fetch_object($db_qry);
  return $fetched;
}

/**
  *  Implementation of hook_nodeapi
  */
function the_hook_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
  global $user;
  switch($node->type) {
    case "submission":
      profile_load_profile($user); 
      if($op == "load") {
        //drupal_set_message('<pre> UID = '. print_r($node->uid, 1) . '</pre>');
        //drupal_set_message('<pre> CUID = '. print_r($user->uid, 1) . '</pre>');
        if( !('create homework content')  && $node->uid != $user->uid) {
          drupal_set_message(t('Viewing other submission'), 'error'); 
          //drupal_access_denied() ; 
          //exit();
        }
      }

      if($op == "presave" && $user->profile_student_id) {
        $node->title = $user->profile_student_id;
      }
      else if(!$user->profile_student_id && ($op == "presave" || $op == "prepare") ) {
        drupal_set_message(t('undefined student id'), 'warning');
        $node->title = 'undefined';
      }
      else if($op == "prepare") {
        $fetched = submitted_count(arg(3), $user->uid);
        if($fetched->count!==NULL) {
          drupal_set_message(t('Already submitted, Edit instead'), 'warning');
          unset($_REQUEST['destination']);
          $next = 'node/'.$fetched->nid.'/edit';
          drupal_goto($next);
          exit(0);
        }
      }
      break;
    case "homework":
      if(drupal_is_front_page() && $op == 'load') {
        drupal_set_breadcrumb(array());
      }
      break;
  }
}

/**
  * Implementation of hook_init() 
  */
function the_hook_init() {
  global $user;
  $query = array('destination' => 'th');
  if($user->uid == NULL && arg(0) != 'front_page') {
    drupal_goto('front_page', $query);
  }
}