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PHP Cross Reference of Moodle 1.9.3 [Build 15-Oct-2008] |
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1 <?php // $Id: edit_field.class.php,v 1.7 2007/10/10 05:25:25 nicolasconnault Exp $ 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 provide the interface for all the edit field actions 28 29 class edit_field 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 'yes' => '', 45 'no' => '', 46 'back' => 'xmldb' 47 )); 48 } 49 50 /** 51 * Invoke method, every class will have its own 52 * returns true/false on completion, setting both 53 * errormsg and output as necessary 54 */ 55 function invoke() { 56 parent::invoke(); 57 58 $result = true; 59 60 /// Set own core attributes 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 /// Get the dir containing the file 68 $dirpath = required_param('dir', PARAM_PATH); 69 $dirpath = $CFG->dirroot . stripslashes_safe($dirpath); 70 71 /// Get the correct dirs 72 if (!empty($XMLDB->dbdirs)) { 73 $dbdir =& $XMLDB->dbdirs[$dirpath]; 74 } else { 75 return false; 76 } 77 if (!empty($XMLDB->editeddirs)) { 78 $editeddir =& $XMLDB->editeddirs[$dirpath]; 79 $structure =& $editeddir->xml_file->getStructure(); 80 } 81 82 /// ADD YOUR CODE HERE 83 84 /// Fetch request data 85 $tableparam = required_param('table', PARAM_CLEAN); 86 if (!$table =& $structure->getTable($tableparam)) { 87 $this->errormsg = 'Wrong table specified: ' . $tableparm; 88 return false; 89 } 90 $fieldparam = required_param('field', PARAM_CLEAN); 91 if (!$field =& $table->getField($fieldparam)) { 92 /// Arriving here from a name change, looking for the new field name 93 $fieldparam = required_param('name', PARAM_CLEAN); 94 $field =& $table->getField($fieldparam); 95 } 96 97 $dbdir =& $XMLDB->dbdirs[$dirpath]; 98 $origstructure =& $dbdir->xml_file->getStructure(); 99 100 /// Add the main form 101 $o = '<form id="form" action="index.php" method="post">'; 102 $o.= ' <div>'; 103 $o.= ' <input type="hidden" name ="dir" value="' . str_replace($CFG->dirroot, '', $dirpath) . '" />'; 104 $o.= ' <input type="hidden" name ="table" value="' . $tableparam .'" />'; 105 $o.= ' <input type="hidden" name ="field" value="' . $fieldparam .'" />'; 106 $o.= ' <input type="hidden" name ="action" value="edit_field_save" />'; 107 $o.= ' <input type="hidden" name ="postaction" value="edit_table" />'; 108 $o.= ' <table id="formelements" class="boxaligncenter">'; 109 /// XMLDB field name 110 /// If the field has dependencies, we cannot change its name 111 $disabled = ''; 112 if ($structure->getFieldUses($table->getName(), $field->getName())) { 113 $o.= ' <input type="hidden" name ="name" value="' . s($field->getName()) .'" />'; 114 $o.= ' <tr valign="top"><td>Name:</td><td colspan="2">' . s($field->getName()) . '</td></tr>'; 115 } else { 116 $o.= ' <tr valign="top"><td><label for="name" accesskey="n">Name:</label></td><td colspan="2"><input name="name" type="text" size="30" maxlength="30" id="name" value="' . s($field->getName()) . '" /></td></tr>'; 117 } 118 /// XMLDB field comment 119 $o.= ' <tr valign="top"><td><label for="comment" accesskey="c">Comment:</label></td><td colspan="2"><textarea name="comment" rows="3" cols="80" id="comment">' . s($field->getComment()) . '</textarea></td></tr>'; 120 /// XMLDBField Type 121 $typeoptions = array (XMLDB_TYPE_INTEGER => $field->getXMLDBTypeName(XMLDB_TYPE_INTEGER), 122 XMLDB_TYPE_NUMBER => $field->getXMLDBTypeName(XMLDB_TYPE_NUMBER), 123 XMLDB_TYPE_FLOAT => $field->getXMLDBTypeName(XMLDB_TYPE_FLOAT), 124 XMLDB_TYPE_DATETIME=> $field->getXMLDBTypeName(XMLDB_TYPE_DATETIME), 125 XMLDB_TYPE_CHAR => $field->getXMLDBTypeName(XMLDB_TYPE_CHAR), 126 XMLDB_TYPE_TEXT => $field->getXMLDBTypeName(XMLDB_TYPE_TEXT), 127 XMLDB_TYPE_BINARY => $field->getXMLDBTypeName(XMLDB_TYPE_BINARY)); 128 /// If current field isnt float, delete such column type to avoid its creation from the interface 129 /// Note that float fields are supported completely but it's possible than in a next future 130 /// we delete them completely from Moodle DB, using, exlusively, number(x,y) types 131 if ($field->getType() != XMLDB_TYPE_FLOAT) { 132 unset ($typeoptions[XMLDB_TYPE_FLOAT]); 133 } 134 /// Also we hide datetimes. Only edition of them is allowed (and retrofit) but not new creation 135 if ($field->getType() != XMLDB_TYPE_DATETIME) { 136 unset ($typeoptions[XMLDB_TYPE_DATETIME]); 137 } 138 $o.= ' <tr valign="top"><td><label for="menutype" accesskey="t">Type:</label></td>'; 139 $o.= ' <td colspan="2">' . choose_from_menu($typeoptions, 'type', $field->getType(), '', '', '', true) . '</td></tr>'; 140 /// XMLDBField Length 141 $o.= ' <tr valign="top"><td><label for="length" accesskey="l">Length:</label></td>'; 142 $o.= ' <td colspan="2"><input name="length" type="text" size="6" maxlength="6" id="length" value="' . s($field->getLength()) . '" /><span id="lengthtip"></span></td></tr>'; 143 /// XMLDBField Decimals 144 $o.= ' <tr valign="top"><td><label for="decimals" accesskey="d">Decimals:</label></td>'; 145 $o.= ' <td colspan="2"><input name="decimals" type="text" size="6" maxlength="6" id="decimals" value="' . s($field->getDecimals()) . '" /><span id="decimalstip"></span></td></tr>'; 146 /// XMLDBField Unsigned 147 $unsignedoptions = array (0 => 'signed', 1 => 'unsigned'); 148 $o.= ' <tr valign="top"><td><label for="menuunsigned" accesskey="u">Unsigned:</label></td>'; 149 $o.= ' <td colspan="2">' . choose_from_menu($unsignedoptions, 'unsigned', $field->getUnsigned(), '', '', '', true) . '</td></tr>'; 150 /// XMLDBField NotNull 151 $notnulloptions = array (0 => 'null', 'not null'); 152 $o.= ' <tr valign="top"><td><label for="menunotnull" accesskey="n">Not Null:</label></td>'; 153 $o.= ' <td colspan="2">' . choose_from_menu($notnulloptions, 'notnull', $field->getNotNull(), '', '', '', true) . '</td></tr>'; 154 /// XMLDBField Sequence 155 $sequenceoptions = array (0 => $this->str['no'], 1 => 'auto-numbered'); 156 $o.= ' <tr valign="top"><td><label for="menusequence" accesskey="s">Sequence:</label></td>'; 157 $o.= ' <td colspan="2">' . choose_from_menu($sequenceoptions, 'sequence', $field->getSequence(), '', '', '', true) . '</td></tr>'; 158 /// XMLDBField Enum and enumvalues 159 $enumoptions = array (0 => $this->str['no'], 1 => $this->str['yes']); 160 $o.= ' <tr valign="top"><td><label for="menuenum" accesskey="s">Enum:</label></td>'; 161 $o.= ' <td>' . choose_from_menu($enumoptions, 'enum', $field->getEnum(), '', '', '', true) . '</td>'; 162 if (is_array($field->getEnumValues())) { 163 $enumvalues = implode(', ', $field->getEnumValues()); 164 } else { 165 $enumvalues = ''; 166 } 167 $o.= ' <td><textarea name="enumvalues" rows="3" cols="70" id="enumvalues">' . s($enumvalues) . '</textarea></td></tr>'; 168 /// XMLDBField Default 169 $o.= ' <tr valign="top"><td><label for="default" accesskey="d">Default:</label></td>'; 170 $o.= ' <td colspan="2"><input type="text" name="default" size="30" maxlength="80" id="default" value="' . s($field->getDefault()) . '" /></td></tr>'; 171 /// Change button 172 $o.= ' <tr valign="top"><td> </td><td colspan="2"><input type="submit" value="' .$this->str['change'] . '" /></td></tr>'; 173 $o.= ' </table>'; 174 $o.= '</div></form>'; 175 /// Calculate the buttons 176 $b = ' <p class="centerpara buttons">'; 177 /// The view original XML button 178 if ($table->getField($fieldparam)) { 179 $b .= ' <a href="index.php?action=view_field_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&select=original&table=' . $tableparam . '&field=' . $fieldparam . '">[' . $this->str['vieworiginal'] . ']</a>'; 180 } else { 181 $b .= ' [' . $this->str['vieworiginal'] . ']'; 182 } 183 /// The view edited XML button 184 if ($field->hasChanged()) { 185 $b .= ' <a href="index.php?action=view_field_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&select=edited&table=' . $tableparam . '&field=' . $fieldparam . '">[' . $this->str['viewedited'] . ']</a>'; 186 } else { 187 $b .= ' [' . $this->str['viewedited'] . ']'; 188 } 189 /// The back to edit table button 190 $b .= ' <a href="index.php?action=edit_table&table=' . $tableparam . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['back'] . ']</a>'; 191 $b .= '</p>'; 192 $o .= $b; 193 194 $this->output = $o; 195 196 /// Launch postaction if exists (leave this here!) 197 if ($this->getPostAction() && $result) { 198 return $this->launch($this->getPostAction()); 199 } 200 201 /// Return ok if arrived here 202 return $result; 203 } 204 } 205 ?>
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| Generated: Wed Jan 14 11:33:29 2009 | Cross-referenced by PHPXref 0.7 |