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, $cm->id);
  66
  67 /// If it's hidden then it doesn't show anything.  :)
  68     if (empty($cm->visible) and !has_capability('moodle/course:viewhiddenactivities', $context)) {
  69         $strdatabases = get_string("modulenameplural", "data");
  70
  71         $navlinks = array();
  72         $navlinks[] = array('name' => $strdatabases, 'link' => "index.php?id=$course->id", 'type' => 'activity');
  73         $navlinks[] = array('name' => format_string($data->name), 'link' => '', 'type' => 'activityinstance');
  74         $navigation = build_navigation($navlinks);
  75
  76         print_header_simple(format_string($data->name), "", $navigation, "", "", true, '', navmenu($course, $cm));
  77         notice(get_string("activityiscurrentlyhidden"));
  78     }
  79
  80 /// Can't use this if there are no fields
  81     if (has_capability('mod/data:managetemplates', $context)) {
  82         if (!record_exists('data_fields','dataid',$data->id)) {      // Brand new database!
  83             redirect($CFG->wwwroot.'/mod/data/field.php?d='.$data->id);  // Redirect to field entry
  84         }
  85     }
  86
  87     if ($rid) {    // So do you have access?
  88         if (!(has_capability('mod/data:manageentries', $context) or data_isowner($rid)) or !confirm_sesskey() ) {
  89             error(get_string('noaccess','data'));
  90         }
  91     }
  92
  93     if ($cancel) {
  94         redirect('view.php?d='.$data->id);
  95     }
  96
  97
  98 /// RSS and CSS and JS meta
  99     $meta = '';
 100     if (!empty($CFG->enablerssfeeds) && !empty($CFG->data_enablerssfeeds) && $data->rssarticles > 0) {
 101         $rsspath = rss_get_url($course->id, $USER->id, 'data', $data->id);
 102         $meta .= '<link rel="alternate" type="application/rss+xml" ';
 103         $meta .= 'title ="'. format_string($course->shortname) .': %fullname%" href="'.$rsspath.'" />';
 104     }
 105     if ($data->csstemplate) {
 106         $meta .= '<link rel="stylesheet" type="text/css" href="'.$CFG->wwwroot.'/mod/data/css.php?d='.$data->id.'" /> ';
 107     }
 108     if ($data->jstemplate) {
 109         $meta .= '<script type="text/javascript" src="'.$CFG->wwwroot.'/mod/data/js.php?d='.$data->id.'"></script>';
 110     }
 111
 112
 113 /// Print the page header
 114     $strdata = get_string('modulenameplural','data');
 115
 116     $navlinks = array();
 117     $navlinks[] = array('name' => $strdata, 'link' => "index.php?id=$course->id", 'type' => 'activity');
 118     $navlinks[] = array('name' => format_string($data->name), 'link' => '', 'type' => 'activityinstance');
 119     $navigation = build_navigation($navlinks);
 120
 121     print_header_simple($data->name, '', $navigation,
 122                         '', $meta, true, update_module_button($cm->id, $course->id, get_string('modulename', 'data')),
 123                         navmenu($course, $cm), '', '');
 124
 125 /// Check to see if groups are being used here
 126     groups_print_activity_menu($cm, 'edit.php?d='.$data->id);
 127     $currentgroup = groups_get_activity_group($cm);
 128     $groupmode = groups_get_activity_groupmode($cm);
 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         $currentgroup = 0;
 139     }
 140
 141 /// Print the tabs
 142
 143     $currenttab = 'add';
 144     if ($rid) {
 145         $editentry = true;  //used in tabs
 146     }
 147     include('tabs.php');
 148
 149
 150 /// Process incoming data for adding/updating records
 151
 152     if ($datarecord = data_submitted($CFG->wwwroot.'/mod/data/edit.php') and confirm_sesskey()) {
 153
 154         $ignorenames = array('MAX_FILE_SIZE','sesskey','d','rid','saveandview','cancel');  // strings to be ignored in input data
 155
 156         if ($rid) {                                          /// Update some records
 157
 158             /// All student edits are marked unapproved by default
 159             $record = get_record('data_records','id',$rid);
 160
 161             /// reset approved flag after student edit
 162             if (!has_capability('mod/data:approve', $context)) {
 163                 $record->approved = 0;
 164             }
 165
 166             $record->groupid = $currentgroup;
 167             $record->timemodified = time();
 168             update_record('data_records',$record);
 169
 170             /// Update all content
 171             $field = NULL;
 172             foreach ($datarecord as $name => $value) {
 173                 if (!in_array($name, $ignorenames)) {
 174                     $namearr = explode('_',$name);  // Second one is the field id
 175                     if (empty($field->field) || ($namearr[1] != $field->field->id)) {  // Try to reuse classes
 176                         $field = data_get_field_from_id($namearr[1], $data);
 177                     }
 178                     if ($field) {
 179                         $field->update_content($rid, $value, $name);
 180                     }
 181                 }
 182             }
 183
 184             add_to_log($course->id, 'data', 'update', "view.php?d=$data->id&amp;rid=$rid", $data->id, $cm->id);
 185
 186             redirect($CFG->wwwroot.'/mod/data/view.php?d='.$data->id.'&amp;rid='.$rid);
 187
 188         } else { /// Add some new records
 189
 190             if (!data_user_can_add_entry($data, $currentgroup, $groupmode)) {
 191                 error('Can not add entries!');
 192             }
 193
 194         /// Check if maximum number of entry as specified by this database is reached
 195         /// Of course, you can't be stopped if you are an editting teacher! =)
 196
 197             if (data_atmaxentries($data) and !has_capability('mod/data:manageentries',$context)){
 198                 notify (get_string('atmaxentry','data'));
 199                 print_footer($course);
 200                 exit;
 201             }
 202
 203             ///Empty form checking - you can't submit an empty form!
 204
 205             $emptyform = true;      // assume the worst
 206
 207             foreach ($datarecord as $name => $value) {
 208                 if (!in_array($name, $ignorenames)) {
 209                     $namearr = explode('_', $name);  // Second one is the field id
 210                     if (empty($field->field) || ($namearr[1] != $field->field->id)) {  // Try to reuse classes
 211                         $field = data_get_field_from_id($namearr[1], $data);
 212                     }
 213                     if ($field->notemptyfield($value, $name)) {
 214                         $emptyform = false;
 215                         break;             // if anything has content, this form is not empty, so stop now!
 216                     }
 217                 }
 218             }
 219
 220             if ($emptyform){    //nothing gets written to database
 221                 notify(get_string('emptyaddform','data'));
 222             }
 223
 224             if (!$emptyform && $recordid = data_add_record($data, $currentgroup)) {    //add instance to data_record
 225
 226                 /// Insert a whole lot of empty records to make sure we have them
 227                 $fields = get_records('data_fields','dataid',$data->id);
 228                 foreach ($fields as $field) {
 229                     $content->recordid = $recordid;
 230                     $content->fieldid = $field->id;
 231                     insert_record('data_content',$content);
 232                 }
 233
 234                 //for each field in the add form, add it to the data_content.
 235                 foreach ($datarecord as $name => $value){
 236                     if (!in_array($name, $ignorenames)) {
 237                         $namearr = explode('_', $name);  // Second one is the field id
 238                         if (empty($field->field) || ($namearr[1] != $field->field->id)) {  // Try to reuse classes
 239                             $field = data_get_field_from_id($namearr[1], $data);
 240                         }
 241                         if ($field) {
 242                             $field->update_content($recordid, $value, $name);
 243                         }
 244                     }
 245                 }
 246
 247                 add_to_log($course->id, 'data', 'add', "view.php?d=$data->id&amp;rid=$recordid", $data->id, $cm->id);
 248
 249                 notify(get_string('entrysaved','data'));
 250
 251                 if (!empty($datarecord->saveandview)) {
 252                     redirect($CFG->wwwroot.'/mod/data/view.php?d='.$data->id.'&amp;rid='.$recordid);
 253                 }
 254             }
 255         }
 256     }  // End of form processing
 257
 258     /// Print the browsing interface
 259
 260     $patterns = array();    //tags to replace
 261     $replacement = array();    //html to replace those yucky tags
 262
 263     //form goes here first in case add template is empty
 264     echo '<form enctype="multipart/form-data" action="edit.php" method="post">';
 265     echo '<div>';
 266     echo '<input name="d" value="'.$data->id.'" type="hidden" />';
 267     echo '<input name="rid" value="'.$rid.'" type="hidden" />';
 268     echo '<input name="sesskey" value="'.sesskey().'" type="hidden" />';
 269     print_simple_box_start('center','80%');
 270
 271     if (!$rid){
 272         print_heading(get_string('newentry','data'), '', 2);
 273     }
 274
 275     /******************************************
 276      * Regular expression replacement section *
 277      ******************************************/
 278     if ($data->addtemplate){
 279         $possiblefields = get_records('data_fields','dataid',$data->id,'id');
 280
 281         ///then we generate strings to replace
 282         foreach ($possiblefields as $eachfield){
 283             $field = data_get_field($eachfield, $data);
 284             $patterns[]="[[".$field->field->name."]]";
 285             $replacements[] = $field->display_add_field($rid);
 286             $patterns[]="[[".$field->field->name."#id]]";
 287             $replacements[] = 'field_'.$field->field->id;
 288         }
 289         $newtext = str_ireplace($patterns, $replacements, $data->{$mode});
 290
 291     } else {    //if the add template is not yet defined, print the default form!
 292         echo data_generate_default_template($data, 'addtemplate', $rid, true, false);
 293         $newtext = '';
 294     }
 295
 296     echo $newtext;
 297     echo '<div style="text-align:center"><input type="submit" name="saveandview" value="'.get_string('saveandview','data').'" />';
 298     if ($rid) {
 299         echo '&nbsp;<input type="submit" name="cancel" value="'.get_string('cancel').'" onclick="javascript:history.go(-1)" />';
 300     } else {
 301         echo '<input type="submit" value="'.get_string('saveandadd','data').'" />';
 302     }
 303     echo '</div>';
 304     print_simple_box_end();
 305     echo '</div></form>';
 306
 307
 308 /// Upload records section. Only for teachers and the admin.
 309
 310     if (has_capability('mod/data:manageentries',$context)) {
 311         if ($import) {
 312             print_simple_box_start('center','80%');
 313             print_heading(get_string('uploadrecords', 'data'), '', 3);
 314
 315             $maxuploadsize = get_max_upload_file_size();
 316             echo '<div style="text-align:center">';
 317             echo '<form enctype="multipart/form-data" action="import.php" method="post">';
 318             echo '<input type="hidden" name="MAX_FILE_SIZE" value="'.$maxuploadsize.'" />';
 319             echo '<input name="d" value="'.$data->id.'" type="hidden" />';
 320             echo '<input name="sesskey" value="'.sesskey().'" type="hidden" />';
 321             echo '<table align="center" cellspacing="0" cellpadding="2" border="0">';
 322             echo '<tr>';
 323             echo '<td align="right">'.get_string('csvfile', 'data').':</td>';
 324             echo '<td><input type="file" name="recordsfile" size="30" />';
 325             helpbutton('importcsv', get_string('csvimport', 'data'), 'data', true, false);
 326             echo '</td><tr>';
 327             echo '<td align="right">'.get_string('fielddelimiter', 'data').':</td>';
 328             echo '<td><input type="text" name="fielddelimiter" size="6" />';
 329             echo get_string('defaultfielddelimiter', 'data').'</td>';
 330             echo '</tr>';
 331             echo '<td align="right">'.get_string('fieldenclosure', 'data').':</td>';
 332             echo '<td><input type="text" name="fieldenclosure" size="6" />';
 333             echo get_string('defaultfieldenclosure', 'data').'</td>';
 334             echo '</tr>';
 335             echo '</table>';
 336             echo '<input type="submit" value="'.get_string('uploadfile', 'data').'" />';
 337             echo '</form>';
 338             echo '</div>';
 339             print_simple_box_end();
 340         } else {
 341             echo '<div style="text-align:center">';
 342             echo '<a href="edit.php?d='.$data->id.'&amp;import=1">'.get_string('uploadrecords', 'data').'</a>';
 343             echo '</div>';
 344         }
 345     }
 346
 347
 348 /// Finish the page
 349
 350     // Print the stuff that need to come after the form fields.
 351     if (!$fields = get_records('data_fields', 'dataid', $data->id)) {
 352         error(get_string('nofieldindatabase', 'data'));
 353     }
 354     foreach ($fields as $eachfield) {
 355         $field = data_get_field($eachfield, $data);
 356         $field->print_after_form();
 357     }
 358
 359     print_footer($course);
 360 ?>