mod/data/edit.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/rsslib.php");
  28
  29     $id    = optional_param('id', 0, PARAM_INT);    // course module id
  30     $d     = optional_param('d', 0, PARAM_INT);    // database id
  31     $rid   = optional_param('rid', 0, PARAM_INT);    //record id
  32     $import   = optional_param('import', 0, PARAM_INT);    // show import form
  33     $cancel   = optional_param('cancel', '');    // cancel an add
  34     $mode ='addtemplate';    //define the mode for this page, only 1 mode available
  35
  36     if ($id) {
  37         if (! $cm = get_coursemodule_from_id('data', $id)) {
  38             error('Course Module ID was incorrect');
  39         }
  40         if (! $course = get_record('course', 'id', $cm->course)) {
  41             error('Course is misconfigured');
  42         }
  43         if (! $data = get_record('data', 'id', $cm->instance)) {
  44             error('Course module is incorrect');
  45         }
  46
  47     } else {
  48         if (! $data = get_record('data', 'id', $d)) {
  49             error('Data ID is incorrect');
  50         }
  51         if (! $course = get_record('course', 'id', $data->course)) {
  52             error('Course is misconfigured');
  53         }
  54         if (! $cm = get_coursemodule_from_instance('data', $data->id, $course->id)) {
  55             error('Course Module ID was incorrect');
  56         }
  57     }
  58
  59     require_login($course->id, false, $cm);
  60
  61     if (!isloggedin() or isguest()) {
  62         redirect('view.php?d='.$data->id);
  63     }
  64
  65     $context = get_context_instance(CONTEXT_MODULE, $cm->id);
  66
  67 /// If it's hidden then it's don't show anything.  :)
  68     if (empty($cm->visible) and !has_capability('moodle/course:viewhiddenactivities', $context)) {
  69         $strdatabases = get_string("modulenameplural", "data");
  70         $navigation = "<a href=\"index.php?id=$course->id\">$strdatabases</a> ->";
  71
  72         $navlinks = array();
  73         $navlinks[] = array('name' => $strdatabases, 'link' => "index.php?id=$course->id", 'type' => 'activity');
  74         $navlinks[] = array('name' => format_string($data->name), 'link' => '', 'type' => 'activityinstance');
  75         $navigation = build_navigation($navlinks);
  76
  77         print_header_simple(format_string($data->name), "", $navigation, "", "", true, '', navmenu($course, $cm));
  78         notice(get_string("activityiscurrentlyhidden"));
  79     }
  80
  81 /// Can't use this if there are no fields
  82     if (has_capability('mod/data:managetemplates', $context)) {
  83         if (!record_exists('data_fields','dataid',$data->id)) {      // Brand new database!
  84             redirect($CFG->wwwroot.'/mod/data/field.php?d='.$data->id);  // Redirect to field entry
  85         }
  86     }
  87
  88     if ($rid) {    // So do you have access?
  89         if (!(has_capability('mod/data:manageentries', $context) or data_isowner($rid)) or !confirm_sesskey() ) {
  90             error(get_string('noaccess','data'));
  91         }
  92     }
  93
  94     if ($cancel) {
  95         redirect('view.php?d='.$data->id);
  96     }
  97
  98
  99 /// RSS and CSS and JS meta
 100     $meta = '';
 101     if (!empty($CFG->enablerssfeeds) && !empty($CFG->data_enablerssfeeds) && $data->rssarticles > 0) {
 102         $rsspath = rss_get_url($course->id, $USER->id, 'data', $data->id);
 103         $meta .= '<link rel="alternate" type="application/rss+xml" ';
 104         $meta .= 'title ="'. format_string($course->shortname) .': %fullname%" href="'.$rsspath.'" />';
 105     }
 106     if ($data->csstemplate) {
 107         $meta .= '<link rel="stylesheet" type="text/css" href="'.$CFG->wwwroot.'/mod/data/css.php?d='.$data->id.'" /> ';
 108     }
 109     if ($data->jstemplate) {
 110         $meta .= '<script type="text/javascript" src="'.$CFG->wwwroot.'/mod/data/js.php?d='.$data->id.'"></script>';
 111     }
 112
 113
 114 /// Print the page header
 115     $strdata = get_string('modulenameplural','data');
 116
 117     $navlinks = array();
 118     $navlinks[] = array('name' => $strdata, 'link' => "index.php?id=$course->id", 'type' => 'activity');
 119     $navlinks[] = array('name' => format_string($data->name), 'link' => '', 'type' => 'activityinstance');
 120     $navigation = build_navigation($navlinks);
 121
 122     print_header_simple($data->name, '', $navigation,
 123                         '', $meta, true, update_module_button($cm->id, $course->id, get_string('modulename', 'data')),
 124                         navmenu($course, $cm), '', '');
 125
 126 /// Check to see if groups are being used here
 127     $groupmode = groupmode($course, $cm);
 128     $currentgroup = setup_and_print_groups($course, $groupmode, 'edit.php?d='.$data->id);
 129
 130     print_heading(format_string($data->name));
 131
 132     if ($currentgroup) {
 133         $groupselect = " AND groupid = '$currentgroup'";
 134         $groupparam = "&amp;groupid=$currentgroup";
 135     } else {
 136         $groupselect = "";
 137         $groupparam = "";
 138     }
 139
 140 /// Print the tabs
 141
 142     $currenttab = 'add';
 143     if ($rid) {
 144         $editentry = true;  //used in tabs
 145     }
 146     include('tabs.php');
 147
 148
 149 /// Process incoming data for adding/updating records
 150
 151     if ($datarecord = data_submitted($CFG->wwwroot.'/mod/data/edit.php') and confirm_sesskey()) {
 152
 153         $ignorenames = array('MAX_FILE_SIZE','sesskey','d','rid','saveandview','cancel');  // strings to be ignored in input data
 154
 155         if ($rid) {                                          /// Update some records
 156
 157             /// All student edits are marked unapproved by default
 158             $record = get_record('data_records','id',$rid);
 159
 160             /// reset approved flag after student edit
 161             if (!has_capability('mod/data:approve', $context)) {
 162                 $record->approved = 0;
 163             }
 164
 165             $record->groupid = $currentgroup;
 166             $record->timemodified = time();
 167             update_record('data_records',$record);
 168
 169             /// Update all content
 170             $field = NULL;
 171             foreach ($datarecord as $name => $value) {
 172                 if (!in_array($name, $ignorenames)) {
 173                     $namearr = explode('_',$name);  // Second one is the field id
 174                     if (empty($field->field) || ($namearr[1] != $field->field->id)) {  // Try to reuse classes
 175                         $field = data_get_field_from_id($namearr[1], $data);
 176                     }
 177                     if ($field) {
 178                         $field->update_content($rid, $value, $name);
 179                     }
 180                 }
 181             }
 182
 183             add_to_log($course->id, 'data', 'update', "view.php?d=$data->id&amp;rid=$rid", $data->id, $cm->id);
 184
 185             redirect($CFG->wwwroot.'/mod/data/view.php?d='.$data->id.'&amp;rid='.$rid);
 186
 187         } else { /// Add some new records
 188
 189             if (!data_user_can_add_entry($data, $currentgroup, $groupmode)) {
 190                 error('Can not add entries!');
 191             }
 192
 193         /// Check if maximum number of entry as specified by this database is reached
 194         /// Of course, you can't be stopped if you are an editting teacher! =)
 195
 196             if (data_atmaxentries($data) and !has_capability('mod/data:manageentries',$context)){
 197                 notify (get_string('atmaxentry','data'));
 198                 print_footer($course);
 199                 exit;
 200             }
 201
 202             ///Empty form checking - you can't submit an empty form!
 203
 204             $emptyform = true;      // assume the worst
 205
 206             foreach ($datarecord as $name => $value) {
 207                 if (!in_array($name, $ignorenames)) {
 208                     $namearr = explode('_', $name);  // Second one is the field id
 209                     if (empty($field->field) || ($namearr[1] != $field->field->id)) {  // Try to reuse classes
 210                         $field = data_get_field_from_id($namearr[1], $data);
 211                     }
 212                     if ($field->notemptyfield($value, $name)) {
 213                         $emptyform = false;
 214                         break;             // if anything has content, this form is not empty, so stop now!
 215                     }
 216                 }
 217             }
 218
 219             if ($emptyform){    //nothing gets written to database
 220                 notify(get_string('emptyaddform','data'));
 221             }
 222
 223             if (!$emptyform && $recordid = data_add_record($data, $currentgroup)) {    //add instance to data_record
 224
 225                 /// Insert a whole lot of empty records to make sure we have them
 226                 $fields = get_records('data_fields','dataid',$data->id);
 227                 foreach ($fields as $field) {
 228                     $content->recordid = $recordid;
 229                     $content->fieldid = $field->id;
 230                     insert_record('data_content',$content);
 231                 }
 232
 233                 //for each field in the add form, add it to the data_content.
 234                 foreach ($datarecord as $name => $value){
 235                     if (!in_array($name, $ignorenames)) {
 236                         $namearr = explode('_', $name);  // Second one is the field id
 237                         if (empty($field->field) || ($namearr[1] != $field->field->id)) {  // Try to reuse classes
 238                             $field = data_get_field_from_id($namearr[1], $data);
 239                         }
 240                         if ($field) {
 241                             $field->update_content($recordid, $value, $name);
 242                         }
 243                     }
 244                 }
 245
 246                 add_to_log($course->id, 'data', 'add', "view.php?d=$data->id&amp;rid=$recordid", $data->id, $cm->id);
 247
 248                 notify(get_string('entrysaved','data'));
 249
 250                 if (!empty($datarecord->saveandview)) {
 251                     redirect($CFG->wwwroot.'/mod/data/view.php?d='.$data->id.'&amp;rid='.$recordid);
 252                 }
 253             }
 254         }
 255     }  // End of form processing
 256
 257     /// Print the browsing interface
 258
 259     $patterns = array();    //tags to replace
 260     $replacement = array();    //html to replace those yucky tags
 261
 262     //form goes here first in case add template is empty
 263     echo '<form enctype="multipart/form-data" action="edit.php" method="post">';
 264     echo '<div>';
 265     echo '<input name="d" value="'.$data->id.'" type="hidden" />';
 266     echo '<input name="rid" value="'.$rid.'" type="hidden" />';
 267     echo '<input name="sesskey" value="'.sesskey().'" type="hidden" />';
 268     print_simple_box_start('center','80%');
 269
 270     if (!$rid){
 271         print_heading(get_string('newentry','data'), '', 2);
 272     }
 273
 274     /******************************************
 275      * Regular expression replacement section *
 276      ******************************************/
 277     if ($data->addtemplate){
 278         $possiblefields = get_records('data_fields','dataid',$data->id,'id');
 279
 280         ///then we generate strings to replace
 281         foreach ($possiblefields as $eachfield){
 282             $field = data_get_field($eachfield, $data);
 283             $patterns[]="[[".$field->field->name."]]";
 284             $replacements[] = $field->display_add_field($rid);
 285             $patterns[]="[[".$field->field->name."#id]]";
 286             $replacements[] = 'field_'.$field->field->id;
 287         }
 288         $newtext = str_ireplace($patterns, $replacements, $data->{$mode});
 289
 290     } else {    //if the add template is not yet defined, print the default form!
 291         echo data_generate_default_template($data, 'addtemplate', $rid, true, false);
 292         $newtext = '';
 293     }
 294
 295     echo $newtext;
 296     echo '<div style="text-align:center"><input type="submit" name="saveandview" value="'.get_string('saveandview','data').'" />';
 297     if ($rid) {
 298         echo '&nbsp;<input type="submit" name="cancel" value="'.get_string('cancel').'" onclick="javascript:history.go(-1)" />';
 299     } else {
 300         echo '<input type="submit" value="'.get_string('saveandadd','data').'" />';
 301     }
 302     echo '</div>';
 303     print_simple_box_end();
 304     echo '</div></form>';
 305
 306
 307 /// Upload records section. Only for teachers and the admin.
 308
 309     if (has_capability('mod/data:manageentries',$context)) {
 310         if ($import) {
 311             print_simple_box_start('center','80%');
 312             print_heading(get_string('uploadrecords', 'data'), '', 3);
 313
 314             $maxuploadsize = get_max_upload_file_size();
 315             echo '<div style="text-align:center">';
 316             echo '<form enctype="multipart/form-data" action="import.php" method="post">';
 317             echo '<input type="hidden" name="MAX_FILE_SIZE" value="'.$maxuploadsize.'" />';
 318             echo '<input name="d" value="'.$data->id.'" type="hidden" />';
 319             echo '<input name="sesskey" value="'.sesskey().'" type="hidden" />';
 320             echo '<table align="center" cellspacing="0" cellpadding="2" border="0">';
 321             echo '<tr>';
 322             echo '<td align="right">'.get_string('csvfile', 'data').':</td>';
 323             echo '<td><input type="file" name="recordsfile" size="30" />';
 324             helpbutton('importcsv', get_string('csvimport', 'data'), 'data', true, false);
 325             echo '</td><tr>';
 326             echo '<td align="right">'.get_string('fielddelimiter', 'data').':</td>';
 327             echo '<td><input type="text" name="fielddelimiter" size="6" />';
 328             echo get_string('defaultfielddelimiter', 'data').'</td>';
 329             echo '</tr>';
 330             echo '<td align="right">'.get_string('fieldenclosure', 'data').':</td>';
 331             echo '<td><input type="text" name="fieldenclosure" size="6" />';
 332             echo get_string('defaultfieldenclosure', 'data').'</td>';
 333             echo '</tr>';
 334             echo '</table>';
 335             echo '<input type="submit" value="'.get_string('uploadfile', 'data').'" />';
 336             echo '</form>';
 337             echo '</div>';
 338             print_simple_box_end();
 339         } else {
 340             echo '<div style="text-align:center">';
 341             echo '<a href="edit.php?d='.$data->id.'&amp;import=1">'.get_string('uploadrecords', 'data').'</a>';
 342             echo '</div>';
 343         }
 344     }
 345
 346
 347 /// Finish the page
 348
 349     // Print the stuff that need to come after the form fields.
 350     if (!$fields = get_records('data_fields', 'dataid', $data->id)) {
 351         error(get_string('nofieldindatabase', 'data'));
 352     }
 353     foreach ($fields as $eachfield) {
 354         $field = data_get_field($eachfield, $data);
 355         $field->print_after_form();
 356     }
 357
 358     print_footer($course);
 359 ?>