admin/xmldb/actions/edit_table_save/edit_table_save.class.php

   1 <?php // $Id$
   2
   3 ///////////////////////////////////////////////////////////////////////////
   4 //                                                                       //
   5 // NOTICE OF COPYRIGHT                                                   //
   6 //                                                                       //
   7 // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
   8 //          http://moodle.com                                            //
   9 //                                                                       //
  10 // Copyright (C) 1999 onwards Martin Dougiamas        http://dougiamas.com  //
  11 //           (C) 2001-3001 Eloy Lafuente (stronk7) http://contiento.com  //
  12 //                                                                       //
  13 // This program is free software; you can redistribute it and/or modify  //
  14 // it under the terms of the GNU General Public License as published by  //
  15 // the Free Software Foundation; either version 2 of the License, or     //
  16 // (at your option) any later version.                                   //
  17 //                                                                       //
  18 // This program is distributed in the hope that it will be useful,       //
  19 // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
  20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
  21 // GNU General Public License for more details:                          //
  22 //                                                                       //
  23 //          http://www.gnu.org/copyleft/gpl.html                         //
  24 //                                                                       //
  25 ///////////////////////////////////////////////////////////////////////////
  26
  27 /// This class will save the changes performed to the name and comment of
  28 /// one table
  29
  30 class edit_table_save extends XMLDBAction {
  31
  32     /**
  33      * Init method, every subclass will have its own
  34      */
  35     function init() {
  36         parent::init();
  37
  38     /// Set own custom attributes
  39
  40     /// Get needed strings
  41         $this->loadStrings(array(
  42             'tablenameempty' => 'xmldb',
  43             'incorrecttablename' => 'xmldb',
  44             'duplicatetablename' => 'xmldb',
  45             'administration' => ''
  46         ));
  47     }
  48
  49     /**
  50      * Invoke method, every class will have its own
  51      * returns true/false on completion, setting both
  52      * errormsg and output as necessary
  53      */
  54     function invoke() {
  55         parent::invoke();
  56
  57         $result = true;
  58
  59     /// Set own core attributes
  60         $this->does_generate = ACTION_NONE;
  61         //$this->does_generate = ACTION_GENERATE_HTML;
  62
  63     /// These are always here
  64         global $CFG, $XMLDB;
  65
  66     /// Do the job, setting result as needed
  67
  68         if (!data_submitted('nomatch')) { ///Basic prevention
  69             error('Wrong action call');
  70         }
  71
  72     /// Get parameters
  73         $dirpath = required_param('dir', PARAM_PATH);
  74         $dirpath = $CFG->dirroot . stripslashes_safe($dirpath);
  75
  76         $tableparam = strtolower(required_param('table', PARAM_PATH));
  77         $name = substr(trim(strtolower(required_param('name', PARAM_PATH))),0,28);
  78         $comment = required_param('comment', PARAM_CLEAN);
  79         $comment = stripslashes_safe($comment);
  80
  81         $editeddir =& $XMLDB->editeddirs[$dirpath];
  82         $structure =& $editeddir->xml_file->getStructure();
  83         $table =& $structure->getTable($tableparam);
  84
  85         $errors = array();    /// To store all the errors found
  86
  87     /// Perform some checks
  88     /// Check empty name
  89         if (empty($name)) {
  90             $errors[] = $this->str['tablenameempty'];
  91         }
  92     /// Check incorrect name
  93         if ($name == 'changeme') {
  94             $errors[] = $this->str['incorrecttablename'];
  95         }
  96     /// Check duplicatename
  97         if ($tableparam != $name && $structure->getTable($name)) {
  98             $errors[] = $this->str['duplicatetablename'];
  99         }
 100
 101         if (!empty($errors)) {
 102             $temptable = new XMLDBTable($name);
 103                                                                                                                                       /// Prepare the output
 104             $site = get_site();
 105             $navlinks = array();
 106             $navlinks[] = array('name' => $this->str['administration'], 'link' => '../index.php', 'type' => 'misc');
 107             $navlinks[] = array('name' => 'XMLDB', 'link' => 'index.php', 'type' => 'misc');
 108             $navigation = build_navigation($navlinks);
 109             print_header("$site->shortname: XMLDB", "$site->fullname", $navigation);
 110             notice ('<p>' .implode(', ', $errors) . '</p>
 111                      <p>' . $temptable->readableInfo(),
 112                      'index.php?action=edit_table&amp;table=' . $tableparam . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)));
 113             die; /// re-die :-P
 114         }
 115
 116     /// If there is one name change, do it, changing the prev and next
 117     /// atributes of the adjacent tables
 118         if ($tableparam != $name) {
 119             $table->setName($name);
 120             if ($table->getPrevious()) {
 121                 $prev =& $structure->getTable($table->getPrevious());
 122                 $prev->setNext($name);
 123                 $prev->setChanged(true);
 124             }
 125             if ($table->getNext()) {
 126                 $next =& $structure->getTable($table->getNext());
 127                 $next->setPrevious($name);
 128                 $next->setChanged(true);
 129             }
 130         }
 131
 132     /// Set comment
 133         $table->setComment($comment);
 134
 135     /// Launch postaction if exists (leave this here!)
 136         if ($this->getPostAction() && $result) {
 137             return $this->launch($this->getPostAction());
 138         }
 139
 140     /// Return ok if arrived here
 141         return $result;
 142     }
 143 }
 144 ?>