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PHP Cross Reference of Moodle 1.9.3 [Build 15-Oct-2008]

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/mod/data/ -> view.php (source)

   1  <?php  // $Id: view.php,v 1.70.2.24 2008/07/18 07:49:27 moodler Exp $
   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  ?>


Generated: Wed Jan 14 11:33:29 2009 Cross-referenced by PHPXref 0.7