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