admin/xmldb/actions/edit_statement/edit_statement.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) 2001-3001 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 provide the interface for all the edit statement actions
  28
  29 class edit_statement extends XMLDBAction {
  30
  31     /**
  32      * Init method, every subclass will have its own
  33      */
  34     function init() {
  35         parent::init();
  36
  37     /// Set own custom attributes
  38
  39     /// Get needed strings
  40         $this->loadStrings(array(
  41             'change' => 'xmldb',
  42             'vieworiginal' => 'xmldb',
  43             'viewedited' => 'xmldb',
  44             'newsentence' => 'xmldb',
  45             'sentences' => 'xmldb',
  46             'edit' => 'xmldb',
  47             'delete' => 'xmldb',
  48             'duplicate' => 'xmldb',
  49             'back' => 'xmldb'
  50         ));
  51     }
  52
  53     /**
  54      * Invoke method, every class will have its own
  55      * returns true/false on completion, setting both
  56      * errormsg and output as necessary
  57      */
  58     function invoke() {
  59         parent::invoke();
  60
  61         $result = true;
  62
  63     /// Set own core attributes
  64         $this->does_generate = ACTION_GENERATE_HTML;
  65
  66     /// These are always here
  67         global $CFG, $XMLDB;
  68
  69     /// Do the job, setting result as needed
  70     /// Get the dir containing the file
  71         $dirpath = required_param('dir', PARAM_PATH);
  72         $dirpath = $CFG->dirroot . stripslashes_safe($dirpath);
  73
  74     /// Get the correct dirs
  75         if (!empty($XMLDB->dbdirs)) {
  76             $dbdir =& $XMLDB->dbdirs[$dirpath];
  77         } else {
  78             return false;
  79         }
  80         if (!empty($XMLDB->editeddirs)) {
  81             $editeddir =& $XMLDB->editeddirs[$dirpath];
  82             $structure =& $editeddir->xml_file->getStructure();
  83         }
  84
  85     /// ADD YOUR CODE HERE
  86         $statementparam = optional_param('statement', NULL, PARAM_CLEAN);
  87     /// If no statement, then we are coming for a new one. Look for
  88     /// type and table and build the correct statementparam
  89         if (!$statementparam) {
  90             $typeparam = optional_param('type', NULL, PARAM_CLEAN);
  91             $tableparam = optional_param('table', NULL, PARAM_CLEAN);
  92             $typename = XMLDBStatement::getXMLDBStatementName($typeparam);
  93             $statementparam = trim(strtolower($typename . ' ' . $tableparam));
  94         }
  95         if (!$statement =& $structure->getStatement($statementparam)) {
  96         /// Arriving here from a name change, looking for the new statement name
  97             $statementname = required_param('name', PARAM_CLEAN);
  98             $statement =& $structure->getStatement($statementparam);
  99         }
 100
 101         $dbdir =& $XMLDB->dbdirs[$dirpath];
 102         $origstructure =& $dbdir->xml_file->getStructure();
 103
 104     /// Add the main form
 105         $o = '<form id="form" action="index.php" method="post">';
 106         $o.= '<div>';
 107         $o.= '    <input type="hidden" name ="dir" value="' . str_replace($CFG->dirroot, '', $dirpath) . '" />';
 108         $o.= '    <input type="hidden" name ="statement" value="' . $statementparam .'" />';
 109         $o.= '    <input type="hidden" name ="action" value="edit_statement_save" />';
 110         $o.= '    <input type="hidden" name ="postaction" value="edit_statement" />';
 111         $o.= '    <table id="formelements" class="boxaligncenter">';
 112         $o.= '      <tr valign="top"><td>Name:</td><td><input type="hidden" name ="name" value="' . s($statement->getName()) . '" />' . s($statement->getName()) .'</td></tr>';
 113         $o.= '      <tr valign="top"><td><label for="comment" accesskey="c">Comment:</label></td><td><textarea name="comment" rows="3" cols="80" id="comment">' . s($statement->getComment()) . '</textarea></td></tr>';
 114         $o.= '      <tr valign="top"><td>&nbsp;</td><td><input type="submit" value="' .$this->str['change'] . '" /></td></tr>';
 115         $o.= '    </table>';
 116         $o.= '</div></form>';
 117     /// Calculate the buttons
 118         $b = ' <p class="centerpara buttons">';
 119     /// The view original XML button
 120         if ($origstructure->getStatement($statementparam)) {
 121             $b .= '&nbsp;<a href="index.php?action=view_statement_xml&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&amp;select=original&amp;statement=' . $statementparam . '">[' . $this->str['vieworiginal'] . ']</a>';
 122         } else {
 123             $b .= '&nbsp;[' . $this->str['vieworiginal'] . ']';
 124         }
 125     /// The view edited XML button
 126         if ($statement->hasChanged()) {
 127             $b .= '&nbsp;<a href="index.php?action=view_statement_xml&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&amp;select=edited&amp;statement=' . $statementparam . '">[' . $this->str['viewedited'] . ']</a>';
 128         } else {
 129             $b .= '&nbsp;[' . $this->str['viewedited'] . ']';
 130         }
 131     /// The new sentence button
 132         $b .= '&nbsp;<a href="index.php?action=new_sentence&amp;postaction=edit_sentence&amp;statement=' . $statementparam . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['newsentence'] . ']</a>';
 133     /// The back to edit xml file button
 134         $b .= '&nbsp;<a href="index.php?action=edit_xml_file&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['back'] . ']</a>';
 135         $b .= '</p>';
 136         $o .= $b;
 137
 138     /// Delete any 'changeme' sentence
 139         ///$statement->deleteSentence('changeme');
 140
 141     /// Add the fields list
 142         $sentences =& $statement->getSentences();
 143         if (!empty($sentences)) {
 144             $o .= '<h3 class="main">' . $this->str['sentences'] . '</h3>';
 145             $o .= '<table id="listfields" border="0" cellpadding="5" cellspacing="1" class="boxaligncenter flexible">';
 146             $row = 0;
 147             foreach ($sentences as $key => $sentence) {
 148             /// Prepend some SQL
 149                 if ($statement->getType() == XMLDB_STATEMENT_INSERT) {
 150                     $p = 'INSERT INTO ' . $statement->getTable() . ' ';
 151                 } else {
 152                     $p = 'UNSUPPORTED SENTENCE TYPE ';
 153                 }
 154             /// Calculate buttons
 155                 $b = '</td><td class="button cell">';
 156             /// The edit button
 157                 $b .= '<a href="index.php?action=edit_sentence&amp;sentence=' .$key . '&amp;statement=' . urlencode($statement->getName()) . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['edit'] . ']</a>';
 158                 $b .= '</td><td class="button cell">';
 159             /// The duplicate button
 160                 $b .= '<a href="index.php?action=new_sentence&amp;postaction=edit_sentence&amp;basesentence=' . $key . '&amp;statement=' . urlencode($statement->getName()) . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['duplicate'] . ']</a>';
 161                 $b .= '</td><td class="button cell">';
 162             /// The delete button
 163                 $b .= '<a href="index.php?action=delete_sentence&amp;sentence=' . $key . '&amp;statement=' . urlencode($statement->getName()) . '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['delete'] . ']</a>';
 164                 $b .= '</td>';
 165             /// Print table row
 166             $o .= '<tr class="r' . $row . '"><td class="table cell">' . $p . $sentence . $b . '</tr>';
 167                 $row = ($row + 1) % 2;
 168             }
 169             $o .= '</table>';
 170         }
 171
 172         $this->output = $o;
 173
 174     /// Launch postaction if exists (leave this here!)
 175         if ($this->getPostAction() && $result) {
 176             return $this->launch($this->getPostAction());
 177         }
 178
 179     /// Return ok if arrived here
 180         return $result;
 181     }
 182 }
 183 ?>