mod/data/view.php

   1 <?php  // $Id$
   2 ///////////////////////////////////////////////////////////////////////////
   3 //                                                                       //
   4 // NOTICE OF COPYRIGHT                                                   //
   5 //                                                                       //
   6 // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
   7 //          http://moodle.org                                            //
   8 //                                                                       //
   9 // Copyright (C) 2005 Martin Dougiamas  http://dougiamas.com             //
  10 //                                                                       //
  11 // This program is free software; you can redistribute it and/or modify  //
  12 // it under the terms of the GNU General Public License as published by  //
  13 // the Free Software Foundation; either version 2 of the License, or     //
  14 // (at your option) any later version.                                   //
  15 //                                                                       //
  16 // This program is distributed in the hope that it will be useful,       //
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
  19 // GNU General Public License for more details:                          //
  20 //                                                                       //
  21 //          http://www.gnu.org/copyleft/gpl.html                         //
  22 //                                                                       //
  23 ///////////////////////////////////////////////////////////////////////////
  24
  25     require_once('../../config.php');
  26     require_once('lib.php');
  27     require_once($CFG->libdir.'/blocklib.php');
  28     require_once("$CFG->libdir/rsslib.php");
  29
  30     require_once('pagelib.php');
  31
  32 /// One of these is necessary!
  33     $id    = optional_param('id', 0, PARAM_INT);  // course module id
  34     $d     = optional_param('d', 0, PARAM_INT);   // database id
  35     $rid   = optional_param('rid', 0, PARAM_INT);    //record id
  36
  37     $mode  = optional_param('mode', '', PARAM_ALPHA);    // Force the browse mode  ('single')
  38
  39     $edit = optional_param('edit', -1, PARAM_BOOL);
  40     $page = optional_param('page', 0, PARAM_INT);
  41 /// These can be added to perform an action on a record
  42     $approve = optional_param('approve', 0, PARAM_INT);    //approval recordid
  43     $delete = optional_param('delete', 0, PARAM_INT);    //delete recordid
  44
  45     if ($id) {
  46         if (! $cm = get_coursemodule_from_id('data', $id)) {
  47             error('Course Module ID was incorrect');
  48         }
  49         if (! $course = get_record('course', 'id', $cm->course)) {
  50             error('Course is misconfigured');
  51         }
  52         if (! $data = get_record('data', 'id', $cm->instance)) {
  53             error('Course module is incorrect');
  54         }
  55         $record = NULL;
  56
  57     } else if ($rid) {
  58         if (! $record = get_record('data_records', 'id', $rid)) {
  59             error('Record ID is incorrect');
  60         }
  61         if (! $data = get_record('data', 'id', $record->dataid)) {
  62             error('Data ID is incorrect');
  63         }
  64         if (! $course = get_record('course', 'id', $data->course)) {
  65             error('Course is misconfigured');
  66         }
  67         if (! $cm = get_coursemodule_from_instance('data', $data->id, $course->id)) {
  68             error('Course Module ID was incorrect');
  69         }
  70     } else {   // We must have $d
  71         if (! $data = get_record('data', 'id', $d)) {
  72             error('Data ID is incorrect');
  73         }
  74         if (! $course = get_record('course', 'id', $data->course)) {
  75             error('Course is misconfigured');
  76         }
  77         if (! $cm = get_coursemodule_from_instance('data', $data->id, $course->id)) {
  78             error('Course Module ID was incorrect');
  79         }
  80         $record = NULL;
  81     }
  82
  83     require_course_login($course, true, $cm);
  84
  85     $context = get_context_instance(CONTEXT_MODULE, $cm->id);
  86     require_capability('mod/data:viewentry', $context);
  87
  88 /// If we have an empty Database then redirect because this page is useless without data
  89     if (has_capability('mod/data:managetemplates', $context)) {
  90         if (!record_exists('data_fields','dataid',$data->id)) {      // Brand new database!
  91             redirect($CFG->wwwroot.'/mod/data/field.php?d='.$data->id);  // Redirect to field entry
  92         }
  93     }
  94
  95
  96 /// Check further parameters that set browsing preferences
  97     if (!isset($SESSION->dataprefs)) {
  98         $SESSION->dataprefs = array();
  99     }
 100     if (!isset($SESSION->dataprefs[$data->id])) {
 101         $SESSION->dataprefs[$data->id] = array();
 102         $SESSION->dataprefs[$data->id]['search'] = '';
 103         $SESSION->dataprefs[$data->id]['search_array'] = array();
 104         $SESSION->dataprefs[$data->id]['sort'] = $data->defaultsort;
 105         $SESSION->dataprefs[$data->id]['advanced'] = 0;
 106         $SESSION->dataprefs[$data->id]['order'] = ($data->defaultsortdir == 0) ? 'ASC' : 'DESC';
 107     }
 108
 109     // reset advanced form
 110     if (!is_null(optional_param('resetadv', null, PARAM_RAW))) {
 111         $SESSION->dataprefs[$data->id]['search_array'] = array();
 112         // we need the redirect to cleanup the form state properly
 113         redirect("view.php?id=$cm->id&amp;mode=$mode&amp;search=&amp;advanced=1");
 114     }
 115
 116     $advanced = optional_param('advanced', -1, PARAM_INT);
 117     if ($advanced == -1) {
 118         $advanced = $SESSION->dataprefs[$data->id]['advanced'];
 119     } else {
 120         if (!$advanced) {
 121             // explicitly switched to normal mode - discard all advanced search settings
 122             $SESSION->dataprefs[$data->id]['search_array'] = array();
 123         }
 124         $SESSION->dataprefs[$data->id]['advanced'] = $advanced;
 125     }
 126
 127     $search_array = $SESSION->dataprefs[$data->id]['search_array'];
 128
 129     if (!empty($advanced)) {
 130         $search = '';
 131         $vals = array();
 132         $fields = get_records('data_fields', 'dataid', $data->id);
 133
 134         //Added to ammend paging error. This error would occur when attempting to go from one page of advanced
 135         //search results to another.  All fields were reset in the page transfer, and there was no way of determining
 136         //whether or not the user reset them.  This would cause a blank search to execute whenever the user attempted
 137         //to see any page of results past the first.
 138         //This fix works as follows:
 139         //$paging flag is set to false when page 0 of the advanced search results is viewed for the first time.
 140         //Viewing any page of results after page 0 passes the false $paging flag though the URL (see line 523) and the
 141         //execution falls through to the second condition below, allowing paging to be set to true.
 142         //Paging remains true and keeps getting passed though the URL until a new search is performed
 143         //(even if page 0 is revisited).
 144         //A false $paging flag generates advanced search results based on the fields input by the user.
 145         //A true $paging flag generates davanced search results from the $SESSION global.
 146         //(See lines 147-158)
 147
 148         $paging = optional_param('paging', NULL, PARAM_BOOL);
 149         if($page == 0 && !isset($paging)) {
 150             $paging = false;
 151         }
 152         else {
 153             $paging = true;
 154         }
 155         if (!empty($fields)) {
 156             foreach($fields as $field) {
 157                 $searchfield = data_get_field_from_id($field->id, $data);
 158                 //Get field data to build search sql with.  If paging is false, get from user.
 159                 //If paging is true, get data from $search_array which is obtained from the $SESSION (see line 116).
 160                 if(!$paging) {
 161                     $val = $searchfield->parse_search_field();
 162                 } else {
 163                     //Set value from session if there is a value @ the required index.
 164                     if (isset($search_array[$field->id])) {
 165                         $val = $search_array[$field->id]->data;
 166                     } else {             //If there is not an entry @ the required index, set value to blank.
 167                         $val = '';
 168                     }
 169                 }
 170                 if (!empty($val)) {
 171                     $search_array[$field->id] = new object();
 172                     $search_array[$field->id]->sql  = $searchfield->generate_sql('c'.$field->id, $val);
 173                     $search_array[$field->id]->data = $val;
 174                     $vals[] = $val;
 175                 } else {
 176                     // clear it out
 177                     unset($search_array[$field->id]);
 178                 }
 179             }
 180         }
 181
 182         if (!$paging) {
 183             // name searching
 184             $fn = optional_param('u_fn', '', PARAM_NOTAGS);
 185             $ln = optional_param('u_ln', '', PARAM_NOTAGS);
 186         } else {
 187             $fn = isset($search_array[DATA_FIRSTNAME]) ? $search_array[DATA_FIRSTNAME]->data : '';
 188             $ln = isset($search_array[DATA_LASTNAME]) ? $search_array[DATA_LASTNAME]->data : '';
 189         }
 190         if (!empty($fn)) {
 191             $search_array[DATA_FIRSTNAME] = new object();
 192             $search_array[DATA_FIRSTNAME]->sql   = '';
 193             $search_array[DATA_FIRSTNAME]->field = 'u.firstname';
 194             $search_array[DATA_FIRSTNAME]->data  = $fn;
 195             $vals[] = $fn;
 196         } else {
 197             unset($search_array[DATA_FIRSTNAME]);
 198         }
 199         if (!empty($ln)) {
 200             $search_array[DATA_LASTNAME] = new object();
 201             $search_array[DATA_LASTNAME]->sql   = '';
 202             $search_array[DATA_LASTNAME]->field = 'u.lastname';
 203             $search_array[DATA_LASTNAME]->data  = $ln;
 204             $vals[] = $ln;
 205         } else {
 206             unset($search_array[DATA_LASTNAME]);
 207         }
 208
 209         $SESSION->dataprefs[$data->id]['search_array'] = $search_array;     // Make it sticky
 210
 211         // in case we want to switch to simple search later - there might be multiple values there ;-)
 212         if ($vals) {
 213             $val = reset($vals);
 214             if (is_string($val)) {
 215                 $search = $val;
 216             }
 217         }
 218
 219     } else {
 220         $search = optional_param('search', $SESSION->dataprefs[$data->id]['search'], PARAM_NOTAGS);
 221         //Paging variable not used for standard search. Set it to null.
 222         $paging = NULL;
 223     }
 224
 225     $textlib = textlib_get_instance();
 226     if ($textlib->strlen($search) < 2) {
 227         $search = '';
 228     }
 229     $SESSION->dataprefs[$data->id]['search'] = $search;   // Make it sticky
 230
 231     $sort = optional_param('sort', $SESSION->dataprefs[$data->id]['sort'], PARAM_INT);
 232     $SESSION->dataprefs[$data->id]['sort'] = $sort;       // Make it sticky
 233
 234     $order = (optional_param('order', $SESSION->dataprefs[$data->id]['order'], PARAM_ALPHA) == 'ASC') ? 'ASC': 'DESC';
 235     $SESSION->dataprefs[$data->id]['order'] = $order;     // Make it sticky
 236
 237
 238     $oldperpage = get_user_preferences('data_perpage_'.$data->id, 10);
 239     $perpage = optional_param('perpage', $oldperpage, PARAM_INT);
 240
 241     if ($perpage < 2) {
 242         $perpage = 2;
 243     }
 244     if ($perpage != $oldperpage) {
 245         set_user_preference('data_perpage_'.$data->id, $perpage);
 246     }
 247
 248     add_to_log($course->id, 'data', 'view', "view.php?id=$cm->id", $data->id, $cm->id);
 249
 250
 251 // Initialize $PAGE, compute blocks
 252     $PAGE       = page_create_instance($data->id);
 253     $pageblocks = blocks_setup($PAGE);
 254     $blocks_preferred_width = bounded_number(180, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]), 210);
 255
 256     if (($edit != -1) and $PAGE->user_allowed_editing()) {
 257         $USER->editing = $edit;
 258     }
 259
 260 /// RSS and CSS and JS meta
 261     $meta = '';
 262     if (!empty($CFG->enablerssfeeds) && !empty($CFG->data_enablerssfeeds) && $data->rssarticles > 0) {
 263         $rsspath = rss_get_url($course->id, $USER->id, 'data', $data->id);
 264         $meta .= '<link rel="alternate" type="application/rss+xml" ';
 265         $meta .= 'title ="'. format_string($course->shortname) .': %fullname%" href="'.$rsspath.'" />';
 266     }
 267     if ($data->csstemplate) {
 268         $meta .= '<link rel="stylesheet" type="text/css" href="'.$CFG->wwwroot.'/mod/data/css.php?d='.$data->id.'" /> ';
 269     }
 270     if ($data->jstemplate) {
 271         $meta .= '<script type="text/javascript" src="'.$CFG->wwwroot.'/mod/data/js.php?d='.$data->id.'"></script>';
 272     }
 273
 274
 275 /// Print the page header
 276     $PAGE->print_header($course->shortname.': %fullname%', '', $meta);
 277
 278
 279 /// If we have blocks, then print the left side here
 280     if (!empty($CFG->showblocksonmodpages)) {
 281         echo '<table id="layout-table"><tr>';
 282         if ((blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $PAGE->user_is_editing())) {
 283             echo '<td style="width: '.$blocks_preferred_width.'px;" id="left-column">';
 284             print_container_start();
 285             blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
 286             print_container_end();
 287             echo '</td>';
 288         }
 289         echo '<td id="middle-column">';
 290         print_container_start();
 291     }
 292
 293 /// Check to see if groups are being used here
 294     $returnurl = 'view.php?d='.$data->id.'&amp;search='.s($search).'&amp;sort='.s($sort).'&amp;order='.s($order).'&amp;';
 295     groups_print_activity_menu($cm, $returnurl);
 296     $currentgroup = groups_get_activity_group($cm);
 297     $groupmode = groups_get_activity_groupmode($cm);
 298
 299     print_heading(format_string($data->name));
 300
 301     // Do we need to show a link to the RSS feed for the records?
 302     if (!empty($CFG->enablerssfeeds) && !empty($CFG->data_enablerssfeeds) && $data->rssarticles > 0) {
 303         echo '<div style="float:right;">';
 304         rss_print_link($course->id, $USER->id, 'data', $data->id, get_string('rsstype'));
 305         echo '</div>';
 306         echo '<div style="clear:both;"></div>';
 307     }
 308
 309     if ($data->intro and empty($page) and empty($record) and $mode != 'single') {
 310         $options = new object();
 311         $options->noclean = true;
 312         print_box(format_text($data->intro, FORMAT_MOODLE, $options), 'generalbox', 'intro');
 313     }
 314
 315 /// Delete any requested records
 316
 317     if ($delete && confirm_sesskey() && (has_capability('mod/data:manageentries', $context) or data_isowner($delete))) {
 318         if ($confirm = optional_param('confirm',0,PARAM_INT)) {
 319             if ($deleterecord = get_record('data_records', 'id', $delete)) {   // Need to check this is valid
 320                 if ($deleterecord->dataid == $data->id) {                       // Must be from this database
 321                     if ($contents = get_records('data_content','recordid', $deleterecord->id)) {
 322                         foreach ($contents as $content) {  // Delete files or whatever else this field allows
 323                             if ($field = data_get_field_from_id($content->fieldid, $data)) { // Might not be there
 324                                 $field->delete_content($content->recordid);
 325                             }
 326                         }
 327                     }
 328                     delete_records('data_content','recordid', $deleterecord->id);
 329                     delete_records('data_records','id', $deleterecord->id);
 330
 331                     add_to_log($course->id, 'data', 'record delete', "view.php?id=$cm->id", $data->id, $cm->id);
 332
 333                     notify(get_string('recorddeleted','data'), 'notifysuccess');
 334                 }
 335             }
 336
 337         } else {   // Print a confirmation page
 338             if ($deleterecord = get_record('data_records', 'id', $delete)) {   // Need to check this is valid
 339                 if ($deleterecord->dataid == $data->id) {                       // Must be from this database
 340                     notice_yesno(get_string('confirmdeleterecord','data'),
 341                             'view.php?d='.$data->id.'&amp;delete='.$delete.'&amp;confirm=1&amp;sesskey='.sesskey(),
 342                             'view.php?d='.$data->id);
 343
 344                     $records[] = $deleterecord;
 345                     echo data_print_template('singletemplate', $records, $data, '', 0, true);
 346
 347                     print_footer($course);
 348                     exit;
 349                 }
 350             }
 351         }
 352     }
 353
 354
 355
 356 /// Print the tabs
 357
 358     if ($record or $mode == 'single') {
 359         $currenttab = 'single';
 360     } elseif($mode == 'asearch') {
 361         $currenttab = 'asearch';
 362     }
 363     else {
 364         $currenttab = 'list';
 365     }
 366     include('tabs.php');
 367
 368     if ($mode == 'asearch') {
 369         $maxcount = 0;
 370
 371     } else {
 372     /// Approve any requested records
 373
 374         $approvecap = has_capability('mod/data:approve', $context);
 375
 376         if ($approve && confirm_sesskey() && $approvecap) {
 377             if ($approverecord = get_record('data_records', 'id', $approve)) {   // Need to check this is valid
 378                 if ($approverecord->dataid == $data->id) {                       // Must be from this database
 379                     $newrecord->id = $approverecord->id;
 380                     $newrecord->approved = 1;
 381                     if (update_record('data_records', $newrecord)) {
 382                         notify(get_string('recordapproved','data'), 'notifysuccess');
 383                     }
 384                 }
 385             }
 386         }
 387
 388         // Check the number of entries required against the number of entries already made (doesn't apply to teachers)
 389         $requiredentries_allowed = true;
 390         $numentries = data_numentries($data);
 391         if ($data->requiredentries > 0 && $numentries < $data->requiredentries && !has_capability('mod/data:manageentries', $context)) {
 392             $data->entriesleft = $data->requiredentries - $numentries;
 393             $strentrieslefttoadd = get_string('entrieslefttoadd', 'data', $data);
 394             notify($strentrieslefttoadd);
 395             $requiredentries_allowed = false;
 396         }
 397
 398     /// setup group and approve restrictions
 399         if (!$approvecap && $data->approval) {
 400             if (isloggedin()) {
 401                 $approveselect = ' AND (r.approved=1 OR r.userid='.$USER->id.') ';
 402             } else {
 403                 $approveselect = ' AND r.approved=1 ';
 404             }
 405         } else {
 406             $approveselect = ' ';
 407         }
 408
 409         if ($currentgroup) {
 410             $groupselect = " AND (r.groupid = '$currentgroup' OR r.groupid = 0)";
 411         } else {
 412             $groupselect = ' ';
 413         }
 414
 415         $ilike = sql_ilike(); //Be case-insensitive
 416
 417     /// Find the field we are sorting on
 418         if ($sort <= 0 or !$sortfield = data_get_field_from_id($sort, $data)) {
 419
 420             switch ($sort) {
 421                 case DATA_LASTNAME:
 422                     $ordering = "u.lastname $order, u.firstname $order";
 423                     break;
 424                 case DATA_FIRSTNAME:
 425                     $ordering = "u.firstname $order, u.lastname $order";
 426                     break;
 427                 case DATA_APPROVED:
 428                     $ordering = "r.approved $order, r.timecreated $order";
 429                     break;
 430                 case DATA_TIMEMODIFIED:
 431                     $ordering = "r.timemodified $order";
 432                     break;
 433                 case DATA_TIMEADDED:
 434                 default:
 435                     $sort     = 0;
 436                     $ordering = "r.timecreated $order";
 437             }
 438
 439             $what = ' DISTINCT r.id, r.approved, r.timecreated, r.timemodified, r.userid, u.firstname, u.lastname';
 440             $count = ' COUNT(DISTINCT c.recordid) ';
 441             $tables = $CFG->prefix.'data_content c,'.$CFG->prefix.'data_records r,'.$CFG->prefix.'data_content cs, '.$CFG->prefix.'user u ';
 442             $where =  'WHERE c.recordid = r.id
 443                          AND r.dataid = '.$data->id.'
 444                          AND r.userid = u.id
 445                          AND cs.recordid = r.id ';
 446             $sortorder = ' ORDER BY '.$ordering.', r.id ASC ';
 447             $searchselect = '';
 448
 449             // If requiredentries is not reached, only show current user's entries
 450             if (!$requiredentries_allowed) {
 451                 $where .= ' AND u.id = ' . $USER->id;
 452             }
 453
 454             if (!empty($advanced)) {                                                  //If advanced box is checked.
 455                 foreach($search_array as $key => $val) {                              //what does $search_array hold?
 456                     if ($key == DATA_FIRSTNAME or $key == DATA_LASTNAME) {
 457                         $searchselect .= " AND $val->field $ilike '%{$val->data}%'";
 458                         continue;
 459                     }
 460                     $tables .= ', '.$CFG->prefix.'data_content c'.$key.' ';
 461                     $where .= ' AND c'.$key.'.recordid = r.id';
 462                     $searchselect .= ' AND ('.$val->sql.') ';
 463                 }
 464             } else if ($search) {
 465                 $searchselect = " AND (cs.content $ilike '%$search%' OR u.firstname $ilike '%$search%' OR u.lastname $ilike '%$search%' ) ";
 466             } else {
 467                 $searchselect = ' ';
 468             }
 469
 470         } else {
 471
 472             $sortcontent = $sortfield->get_sort_field();
 473             $sortcontentfull = $sortfield->get_sort_sql('c.'.$sortcontent);
 474
 475             $what = ' DISTINCT r.id, r.approved, r.timecreated, r.timemodified, r.userid, u.firstname, u.lastname, c.'.$sortcontent.', '.$sortcontentfull.' AS _order ';
 476             $count = ' COUNT(DISTINCT c.recordid) ';
 477             $tables = $CFG->prefix.'data_content c,'.$CFG->prefix.'data_records r,'.$CFG->prefix.'data_content cs, '.$CFG->prefix.'user u ';
 478             $where =  'WHERE c.recordid = r.id
 479                          AND c.fieldid = '.$sort.'
 480                          AND r.dataid = '.$data->id.'
 481                          AND r.userid = u.id
 482                          AND cs.recordid = r.id ';
 483             $sortorder = ' ORDER BY _order '.$order.' , r.id ASC ';
 484             $searchselect = '';
 485
 486             // If requiredentries is not reached, only show current user's entries
 487             if (!$requiredentries_allowed) {
 488                 $where .= ' AND u.id = ' . $USER->id;
 489             }
 490
 491             if (!empty($advanced)) {                                                  //If advanced box is checked.
 492                 foreach($search_array as $key => $val) {                              //what does $search_array hold?
 493                     if ($key == DATA_FIRSTNAME or $key == DATA_LASTNAME) {
 494                         $searchselect .= " AND $val->field $ilike '%{$val->data}%'";
 495                         continue;
 496                     }
 497                     $tables .= ', '.$CFG->prefix.'data_content c'.$key.' ';
 498                     $where .= ' AND c'.$key.'.recordid = r.id AND c'.$key.'.fieldid = '.$key;
 499                     $searchselect .= ' AND ('.$val->sql.') ';
 500                 }
 501             } else if ($search) {
 502                 $searchselect = " AND (cs.content $ilike '%$search%' OR u.firstname $ilike '%$search%' OR u.lastname $ilike '%$search%' ) ";
 503             } else {
 504                 $searchselect = ' ';
 505             }
 506         }
 507
 508     /// To actually fetch the records
 509
 510         $fromsql    = "FROM $tables $where $groupselect $approveselect $searchselect";
 511         $sqlselect  = "SELECT $what $fromsql $sortorder";
 512         $sqlcount   = "SELECT $count $fromsql";   // Total number of records when searching
 513         $sqlrids    = "SELECT tmp.id FROM ($sqlselect) tmp";
 514         $sqlmax     = "SELECT $count FROM $tables $where $groupselect $approveselect"; // number of all recoirds user may see
 515
 516     /// Work out the paging numbers and counts
 517
 518         $totalcount = count_records_sql($sqlcount);
 519         if (empty($searchselect)) {
 520             $maxcount = $totalcount;
 521         } else {
 522             $maxcount = count_records_sql($sqlmax);
 523         }
 524
 525         if ($record) {     // We need to just show one, so where is it in context?
 526             $nowperpage = 1;
 527             $mode = 'single';
 528
 529             $page = 0;
 530             if ($allrecordids = get_records_sql($sqlrids)) {
 531                 $allrecordids = array_keys($allrecordids);
 532                 $page = (int)array_search($record->id, $allrecordids);
 533                 unset($allrecordids);
 534             }
 535
 536         } else if ($mode == 'single') {  // We rely on ambient $page settings
 537             $nowperpage = 1;
 538
 539         } else {
 540             $nowperpage = $perpage;
 541         }
 542
 543     /// Get the actual records
 544
 545         if (!$records = get_records_sql($sqlselect, $page * $nowperpage, $nowperpage)) {
 546             // Nothing to show!
 547             if ($record) {         // Something was requested so try to show that at least (bug 5132)
 548                 if (has_capability('mod/data:manageentries', $context) || empty($data->approval) ||
 549                          $record->approved || (isloggedin() && $record->userid == $USER->id)) {
 550                     if (!$currentgroup || $record->groupid == $currentgroup || $record->groupid == 0) {
 551                         // OK, we can show this one
 552                         $records = array($record->id => $record);
 553                         $totalcount = 1;
 554                     }
 555                 }
 556             }
 557         }
 558
 559         if (empty($records)) {
 560             if ($maxcount){
 561                 $a = new object();
 562                 $a->max = $maxcount;
 563                 $a->reseturl = "view.php?id=$cm->id&amp;mode=$mode&amp;search=&amp;advanced=0";
 564                 notify(get_string('foundnorecords','data', $a));
 565             } else {
 566                 notify(get_string('norecords','data'));
 567             }
 568
 569         } else { //  We have some records to print
 570
 571             if ($maxcount != $totalcount) {
 572                 $a = new object();
 573                 $a->num = $totalcount;
 574                 $a->max = $maxcount;
 575                 $a->reseturl = "view.php?id=$cm->id&amp;mode=$mode&amp;search=&amp;advanced=0";
 576                 notify(get_string('foundrecords', 'data', $a), 'notifysuccess');
 577             }
 578
 579             if ($mode == 'single') {                  // Single template
 580                 $baseurl = 'view.php?d='.$data->id.'&amp;mode=single&amp;';
 581
 582                 print_paging_bar($totalcount, $page, $nowperpage, $baseurl, $pagevar='page');
 583
 584                 if (empty($data->singletemplate)){
 585                     notify(get_string('nosingletemplate','data'));
 586                     data_generate_default_template($data, 'singletemplate', 0, false, false);
 587                 }
 588
 589                 data_print_template('singletemplate', $records, $data, $search, $page);
 590
 591                 print_paging_bar($totalcount, $page, $nowperpage, $baseurl, $pagevar='page');
 592
 593             } else {                                  // List template
 594                 $baseurl = 'view.php?d='.$data->id.'&amp;';
 595                 //send the advanced flag through the URL so it is remembered while paging.
 596                 $baseurl .= 'advanced='.$advanced.'&amp;';
 597                 //pass variable to allow determining whether or not we are paging through results.
 598                 $baseurl .= 'paging='.$paging.'&amp;';
 599
 600                 print_paging_bar($totalcount, $page, $nowperpage, $baseurl, $pagevar='page');
 601
 602                 if (empty($data->listtemplate)){
 603                     notify(get_string('nolisttemplate','data'));
 604                     data_generate_default_template($data, 'listtemplate', 0, false, false);
 605                 }
 606                 echo $data->listtemplateheader;
 607                 data_print_template('listtemplate', $records, $data, $search, $page);
 608                 echo $data->listtemplatefooter;
 609
 610                 print_paging_bar($totalcount, $page, $nowperpage, $baseurl, $pagevar='page');
 611             }
 612
 613         }
 614     }
 615
 616     $search = trim($search);
 617     if (empty($records)) {
 618         $records = array();
 619     }
 620
 621     //Advanced search form doesn't make sense for single (redirects list view)
 622     if (($maxcount || $mode == 'asearch') && $mode != 'single') {
 623         data_print_preference_form($data, $perpage, $search, $sort, $order, $search_array, $advanced, $mode);
 624     }
 625
 626 /// If we have blocks, then print the left side here
 627     if (!empty($CFG->showblocksonmodpages)) {
 628         print_container_end();
 629         echo '</td>';   // Middle column
 630         if ((blocks_have_content($pageblocks, BLOCK_POS_RIGHT) || $PAGE->user_is_editing())) {
 631             echo '<td style="width: '.$blocks_preferred_width.'px;" id="right-column">';
 632             print_container_start();
 633             blocks_print_group($PAGE, $pageblocks, BLOCK_POS_RIGHT);
 634             print_container_end();
 635             echo '</td>';
 636         }
 637         echo '</tr></table>';
 638     }
 639
 640     print_footer($course);
 641 ?>