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Developer Documentation
Developer Documentation
- Bug fixes for general core bugs in 4.3.x will end 7 October 2024 (12 months).
- Bug fixes for security issues in 4.3.x will end 21 April 2025 (18 months).
- PHP version: minimum PHP 8.0.0 Note: minimum PHP version has increased since Moodle 4.1. PHP 8.2.x is supported too.
Differences Between: [Versions 310 and 403] [Versions 39 and 403]
1 <?php 2 // This file is part of Moodle - http://moodle.org/ 3 // 4 // Moodle is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // Moodle is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17 /** 18 * @package tool_xmldb 19 * @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} 20 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 21 */ 22 23 /** 24 * This class will show all the actions available under the XMLDB editor interface 25 * 26 * From here, files can be created, edited, saved and deleted, plus some 27 * extra utilities like displaying docs, xml info and performing various consistency tests 28 * 29 * @package tool_xmldb 30 * @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} 31 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 32 */ 33 class main_view extends XMLDBAction { 34 35 /** 36 * Init method, every subclass will have its own 37 */ 38 function init() { 39 parent::init(); 40 41 // Set own custom attributes 42 $this->sesskey_protected = false; // This action doesn't need sesskey protection 43 44 // Get needed strings 45 $this->loadStrings(array( 46 'load' => 'tool_xmldb', 47 'create' => 'tool_xmldb', 48 'edit' => 'tool_xmldb', 49 'save' => 'tool_xmldb', 50 'revert' => 'tool_xmldb', 51 'unload' => 'tool_xmldb', 52 'delete' => 'tool_xmldb', 53 'reservedwords' => 'tool_xmldb', 54 'gotolastused' => 'tool_xmldb', 55 'checkindexes' => 'tool_xmldb', 56 'checkdefaults' => 'tool_xmldb', 57 'checkforeignkeys' => 'tool_xmldb', 58 'checkbigints' => 'tool_xmldb', 59 'checkoraclesemantics' => 'tool_xmldb', 60 'reconcilefiles' => 'tool_xmldb', 61 'doc' => 'tool_xmldb', 62 'filemodifiedoutfromeditor' => 'tool_xmldb', 63 'viewxml' => 'tool_xmldb', 64 'pendingchangescannotbesavedreload' => 'tool_xmldb' 65 )); 66 } 67 68 /** 69 * Invoke method, every class will have its own 70 * returns true/false on completion, setting both 71 * errormsg and output as necessary 72 */ 73 function invoke() { 74 parent::invoke(); 75 76 $result = true; 77 78 // Set own core attributes 79 $this->does_generate = ACTION_GENERATE_HTML; 80 81 // These are always here 82 global $CFG, $XMLDB, $SESSION, $DB; 83 84 // Get lastused 85 $o = ''; 86 if (isset($SESSION->lastused)) { 87 if ($lastused = $SESSION->lastused) { 88 // Print link 89 $o .= '<p class="centerpara"><a href="#lastused">' . $this->str['gotolastused'] . '</a></p>'; 90 } 91 } else { 92 $lastused = NULL; 93 } 94 95 // Calculate the buttons 96 $b = '<p class="centerpara buttons">'; 97 // The reserved_words button 98 $b .= ' <a href="index.php?action=view_reserved_words">[' . $this->str['reservedwords'] . ']</a>'; 99 // The docs button 100 $b .= ' <a href="index.php?action=generate_all_documentation">[' . $this->str['doc'] . ']</a>'; 101 // The reconcile XMLDB files button. 102 $b .= ' <a href="index.php?action=reconcile_files">[' . $this->str['reconcilefiles'] . ']</a>'; 103 // The check indexes button 104 $b .= ' <a href="index.php?action=check_indexes&sesskey=' . sesskey() . '">[' . $this->str['checkindexes'] . ']</a>'; 105 // The check defaults button 106 $b .= ' <a href="index.php?action=check_defaults&sesskey=' . sesskey() . '">[' . $this->str['checkdefaults'] . ']</a>'; 107 // The check bigints button (only for MySQL and PostgreSQL) MDL-11038a 108 if ($DB->get_dbfamily() == 'mysql' || $DB->get_dbfamily() == 'postgres') { 109 $b .= ' <a href="index.php?action=check_bigints&sesskey=' . sesskey() . '">[' . $this->str['checkbigints'] . ']</a>'; 110 } 111 // The check semantics button (only for Oracle) MDL-29416 112 if ($DB->get_dbfamily() == 'oracle') { 113 $b .= ' <a href="index.php?action=check_oracle_semantics&sesskey=' . sesskey() . '">[' . $this->str['checkoraclesemantics'] . ']</a>'; 114 } 115 $b .= ' <a href="index.php?action=check_foreign_keys&sesskey=' . sesskey() . '">[' . $this->str['checkforeignkeys'] . ']</a>'; 116 $b .= '</p>'; 117 // Send buttons to output 118 $o .= $b; 119 120 // Do the job 121 122 // Get the list of DB directories 123 $result = $this->launch('get_db_directories'); 124 // Display list of DB directories if everything is ok 125 if ($result && !empty($XMLDB->dbdirs)) { 126 $o .= '<table id="listdirectories" border="0" cellpadding="5" cellspacing="1"' . 127 ' class="table-striped table-sm admintable generaltable">'; 128 $row = 0; 129 foreach ($XMLDB->dbdirs as $key => $dbdir) { 130 // Detect if this is the lastused dir 131 $hithis = false; 132 if (str_replace($CFG->dirroot, '', $key) == $lastused) { 133 $hithis = true; 134 } 135 $elementtext = str_replace($CFG->dirroot . '/', '', $key); 136 // Calculate the dbdir has_changed field if needed 137 if (!isset($dbdir->has_changed) && isset($dbdir->xml_loaded)) { 138 $dbdir->xml_changed = false; 139 if (isset($XMLDB->editeddirs[$key])) { 140 $editeddir = $XMLDB->editeddirs[$key]; 141 if (isset($editeddir->xml_file)) { 142 $structure = $editeddir->xml_file->getStructure(); 143 if ($structure->hasChanged()) { 144 $dbdir->xml_changed = true; 145 $editeddir->xml_changed = true; 146 } 147 } 148 } 149 } 150 // The file name (link to edit if the file is loaded) 151 if ($dbdir->path_exists && 152 file_exists($key . '/install.xml') && 153 is_readable($key . '/install.xml') && 154 is_readable($key) && 155 !empty($dbdir->xml_loaded)) { 156 $f = '<a href="index.php?action=edit_xml_file&dir=' . urlencode(str_replace($CFG->dirroot, '', $key)) . '">' . $elementtext . '</a>'; 157 } else { 158 $f = $elementtext; 159 } 160 // Calculate the buttons 161 $b = ' <td class="button cell">'; 162 // The create button 163 if ($dbdir->path_exists && 164 !file_exists($key . '/install.xml') && 165 is_writeable($key)) { 166 $b .= '<a href="index.php?action=create_xml_file&sesskey=' . sesskey() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $key)) . '&time=' . time() . '&postaction=main_view#lastused">[' . $this->str['create'] . ']</a>'; 167 } else { 168 $b .= '[' . $this->str['create'] . ']'; 169 } 170 $b .= '</td><td class="button cell">'; 171 // The load button 172 if ($dbdir->path_exists && 173 file_exists($key . '/install.xml') && 174 is_readable($key . '/install.xml') && 175 empty($dbdir->xml_loaded)) { 176 $b .= '<a href="index.php?action=load_xml_file&sesskey=' . sesskey() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $key)) . '&time=' . time() . '&postaction=main_view#lastused">[' . $this->str['load'] . ']</a>'; 177 } else { 178 $b .= '[' . $this->str['load'] . ']'; 179 } 180 $b .= '</td><td class="button cell">'; 181 // The edit button 182 if ($dbdir->path_exists && 183 file_exists($key . '/install.xml') && 184 is_readable($key . '/install.xml') && 185 is_readable($key) && 186 !empty($dbdir->xml_loaded)) { 187 $b .= '<a href="index.php?action=edit_xml_file&dir=' . urlencode(str_replace($CFG->dirroot, '', $key)) . '">[' . $this->str['edit'] . ']</a>'; 188 } else { 189 $b .= '[' . $this->str['edit'] . ']'; 190 } 191 $b .= '</td><td class="button cell">'; 192 // The save button 193 if ($dbdir->path_exists && 194 file_exists($key . '/install.xml') && 195 is_writeable($key . '/install.xml') && 196 is_writeable($key) && 197 !empty($dbdir->xml_loaded) && 198 !empty($dbdir->xml_changed)) { 199 $b .= '<a href="index.php?action=save_xml_file&sesskey=' . sesskey() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $key)) . '&time=' . time() . '&postaction=main_view#lastused">[' . $this->str['save'] . ']</a>'; 200 // Check if the file has been manually edited while being modified in the editor 201 if ($dbdir->filemtime != filemtime($key . '/install.xml')) { 202 // File manually modified. Add to action error, will be displayed inline. 203 $this->errormsg = $this->str['filemodifiedoutfromeditor']; 204 } 205 } else { 206 $b .= '[' . $this->str['save'] . ']'; 207 } 208 $b .= '</td><td class="button cell">'; 209 // The document button 210 if ($dbdir->path_exists && 211 file_exists($key . '/install.xml') && 212 is_readable($key . '/install.xml') && 213 is_readable($key)) { 214 $b .= '<a href="index.php?action=generate_documentation&dir=' . urlencode(str_replace($CFG->dirroot, '', $key)) . '">[' . $this->str['doc'] . ']</a>'; 215 } else { 216 $b .= '[' . $this->str['doc'] . ']'; 217 } 218 $b .= '</td><td class="button cell">'; 219 // The view xml button 220 if ($dbdir->path_exists && 221 file_exists($key . '/install.xml') && 222 is_readable($key . '/install.xml')) { 223 $b .= '<a href="index.php?action=view_xml&file=' . urlencode(str_replace($CFG->dirroot, '', $key) . '/install.xml') . '">[' . $this->str['viewxml'] . ']</a>'; 224 } else { 225 $b .= '[' . $this->str['viewxml'] . ']'; 226 } 227 $b .= '</td><td class="button cell">'; 228 // The revert button 229 if ($dbdir->path_exists && 230 file_exists($key . '/install.xml') && 231 is_readable($key . '/install.xml') && 232 is_writeable($key) && 233 !empty($dbdir->xml_loaded) && 234 !empty($dbdir->xml_changed)) { 235 $b .= '<a href="index.php?action=revert_changes&sesskey=' . sesskey() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $key)) . '">[' . $this->str['revert'] . ']</a>'; 236 } else { 237 $b .= '[' . $this->str['revert'] . ']'; 238 } 239 $b .= '</td><td class="button cell">'; 240 // The unload button 241 if ($dbdir->path_exists && 242 file_exists($key . '/install.xml') && 243 is_readable($key . '/install.xml') && 244 !empty($dbdir->xml_loaded) && 245 empty($dbdir->xml_changed)) { 246 $b .= '<a href="index.php?action=unload_xml_file&sesskey=' . sesskey() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $key)) . '&time=' . time() . '&postaction=main_view#lastused">[' . $this->str['unload'] . ']</a>'; 247 } else { 248 $b .= '[' . $this->str['unload'] . ']'; 249 } 250 $b .= '</td><td class="button cell">'; 251 // The delete button 252 if ($dbdir->path_exists && 253 file_exists($key . '/install.xml') && 254 is_readable($key . '/install.xml') && 255 is_writeable($key) && 256 empty($dbdir->xml_loaded)) { 257 $b .= '<a href="index.php?action=delete_xml_file&sesskey=' . sesskey() . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $key)) . '">[' . $this->str['delete'] . ']</a>'; 258 } else { 259 $b .= '[' . $this->str['delete'] . ']'; 260 } 261 $b .= '</td>'; 262 // include the higlight 263 if ($hithis) { 264 $o .= '<tr class="highlight"><td class="directory cell"><a name="lastused" />' . $f . '</td>' . $b . '</tr>'; 265 } else { 266 $o .= '<tr class="r' . $row . '"><td class="directory cell">' . $f . '</td>' . $b . '</tr>'; 267 } 268 $row = ($row + 1) % 2; 269 // show errors if they exist 270 if (isset($dbdir->xml_file)) { 271 if ($structure = $dbdir->xml_file->getStructure()) { 272 $errors = !empty($this->errormsg) ? array($this->errormsg) : array(); 273 $structureerrors = $structure->getAllErrors(); 274 if ($structureerrors) { 275 $errors = array_merge($errors, $structureerrors); 276 } 277 if (!empty($errors)) { 278 if ($hithis) { 279 $o .= '<tr class="highlight"><td class="error cell" colspan="10">' . implode (', ', $errors) . '</td></tr>'; 280 } else { 281 $o .= '<tr class="r' . $row . '"><td class="error cell" colspan="10">' . implode (', ', $errors) . '</td></tr>'; 282 } 283 } 284 } 285 } 286 // If there are changes pending to be saved, but the file cannot be written... inform here 287 if ($dbdir->path_exists && 288 file_exists($key . '/install.xml') && 289 !empty($dbdir->xml_loaded) && 290 !empty($dbdir->xml_changed) && 291 (!is_writeable($key . '/install.xml') || !is_writeable($key))) { 292 293 if ($hithis) { 294 $o .= '<tr class="highlight"><td class="error cell" colspan="10">'; 295 } else { 296 $o .= '<tr class="r' . $row . '"><td class="error cell" colspan="10">'; 297 } 298 $o .= $this->str['pendingchangescannotbesavedreload']; 299 $o .= '</td></tr>'; 300 } 301 } 302 $o .= '</table>'; 303 304 // Set the output 305 $this->output = $o; 306 } 307 308 // Finally, return result 309 return $result; 310 } 311 } 312
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