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206 lines
10 KiB
206 lines
10 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* @package tool_xmldb
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* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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/**
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* This class will provide the interface for all the edit field actions
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*
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* @package tool_xmldb
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* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class edit_field extends XMLDBAction {
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/**
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* Init method, every subclass will have its own
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*/
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function init() {
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parent::init();
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// Set own custom attributes
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$this->sesskey_protected = false; // This action doesn't need sesskey protection
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// Get needed strings
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$this->loadStrings(array(
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'change' => 'tool_xmldb',
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'float2numbernote' => 'tool_xmldb',
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'vieworiginal' => 'tool_xmldb',
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'viewedited' => 'tool_xmldb',
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'yes' => '',
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'no' => '',
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'back' => 'tool_xmldb'
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));
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}
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/**
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* Invoke method, every class will have its own
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* returns true/false on completion, setting both
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* errormsg and output as necessary
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*/
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function invoke() {
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parent::invoke();
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$result = true;
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// Set own core attributes
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$this->does_generate = ACTION_GENERATE_HTML;
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// These are always here
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global $CFG, $XMLDB, $OUTPUT;
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// Do the job, setting result as needed
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// Get the dir containing the file
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$dirpath = required_param('dir', PARAM_PATH);
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$dirpath = $CFG->dirroot . $dirpath;
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// Get the correct dirs
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if (!empty($XMLDB->dbdirs)) {
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$dbdir = $XMLDB->dbdirs[$dirpath];
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} else {
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return false;
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}
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if (!empty($XMLDB->editeddirs)) {
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$editeddir = $XMLDB->editeddirs[$dirpath];
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$structure = $editeddir->xml_file->getStructure();
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}
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// Fetch request data
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$tableparam = required_param('table', PARAM_CLEAN);
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if (!$table = $structure->getTable($tableparam)) {
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$this->errormsg = 'Wrong table specified: ' . $tableparam;
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return false;
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}
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$fieldparam = required_param('field', PARAM_CLEAN);
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if (!$field = $table->getField($fieldparam)) {
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// Arriving here from a name change, looking for the new field name
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$fieldparam = required_param('name', PARAM_CLEAN);
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$field = $table->getField($fieldparam);
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}
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$dbdir = $XMLDB->dbdirs[$dirpath];
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$origstructure = $dbdir->xml_file->getStructure();
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$o = ''; // Output starts
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// If field is XMLDB_TYPE_FLOAT, comment about to migrate it to XMLDB_TYPE_NUMBER
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if ($field->getType() == XMLDB_TYPE_FLOAT) {
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$o .= '<p>' . $this->str['float2numbernote'] . '</p>';
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}
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// Add the main form
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$o.= '<form id="form" action="index.php" method="post">';
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$o.= ' <div>';
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$o.= ' <input type="hidden" name ="dir" value="' . str_replace($CFG->dirroot, '', $dirpath) . '" />';
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$o.= ' <input type="hidden" name ="table" value="' . $tableparam .'" />';
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$o.= ' <input type="hidden" name ="field" value="' . $fieldparam .'" />';
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$o.= ' <input type="hidden" name ="sesskey" value="' . sesskey() .'" />';
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$o.= ' <input type="hidden" name ="action" value="edit_field_save" />';
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$o.= ' <input type="hidden" name ="postaction" value="edit_table" />';
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$o.= ' <table id="formelements" class="boxaligncenter">';
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// XMLDB field name
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// If the field has dependencies, we cannot change its name
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$disabled = '';
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if ($structure->getFieldUses($table->getName(), $field->getName())) {
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$o.= ' <input type="hidden" name ="name" value="' . s($field->getName()) .'" />';
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$o.= ' <tr valign="top"><td>Name:</td><td colspan="2">' . s($field->getName()) . '</td></tr>';
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} else {
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$o.= ' <tr valign="top"><td><label for="name" accesskey="n">Name:</label></td><td colspan="2"><input name="name" type="text" size="'.xmldb_field::NAME_MAX_LENGTH.'" maxlength="'.xmldb_field::NAME_MAX_LENGTH.'" id="name" value="' . s($field->getName()) . '" /></td></tr>';
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}
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// XMLDB field comment
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$o .= ' <tr valign="top"><td><label for="comment" accesskey="c">Comment:</label></td><td colspan="2">
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<textarea name="comment" rows="3" cols="80" id="comment" class="form-control">' .
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s($field->getComment()) . '</textarea></td></tr>';
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// xmldb_field Type
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$typeoptions = array (XMLDB_TYPE_INTEGER => $field->getXMLDBTypeName(XMLDB_TYPE_INTEGER),
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XMLDB_TYPE_NUMBER => $field->getXMLDBTypeName(XMLDB_TYPE_NUMBER),
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XMLDB_TYPE_FLOAT => $field->getXMLDBTypeName(XMLDB_TYPE_FLOAT),
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XMLDB_TYPE_DATETIME=> $field->getXMLDBTypeName(XMLDB_TYPE_DATETIME),
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XMLDB_TYPE_CHAR => $field->getXMLDBTypeName(XMLDB_TYPE_CHAR),
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XMLDB_TYPE_TEXT => $field->getXMLDBTypeName(XMLDB_TYPE_TEXT),
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XMLDB_TYPE_BINARY => $field->getXMLDBTypeName(XMLDB_TYPE_BINARY));
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// If current field isn't float, delete such column type to avoid its creation from the interface
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// Note that float fields are supported completely but it's possible than in a next future
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// we delete them completely from Moodle DB, using, exclusively, number(x,y) types
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if ($field->getType() != XMLDB_TYPE_FLOAT) {
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unset ($typeoptions[XMLDB_TYPE_FLOAT]);
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}
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// Also we hide datetimes. Only edition of them is allowed (and retrofit) but not new creation
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if ($field->getType() != XMLDB_TYPE_DATETIME) {
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unset ($typeoptions[XMLDB_TYPE_DATETIME]);
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}
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$select = html_writer::select($typeoptions, 'type', $field->getType(), false);
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$o.= ' <tr valign="top"><td><label for="menutype" accesskey="t">Type:</label></td>';
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$o.= ' <td colspan="2">' . $select . '</td></tr>';
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// xmldb_field Length
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$o.= ' <tr valign="top"><td><label for="length" accesskey="l">Length:</label></td>';
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$o.= ' <td colspan="2"><input name="length" type="text" size="6" maxlength="6" id="length" value="' . s($field->getLength()) . '" /><span id="lengthtip"></span></td></tr>';
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// xmldb_field Decimals
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$o.= ' <tr valign="top"><td><label for="decimals" accesskey="d">Decimals:</label></td>';
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$o.= ' <td colspan="2"><input name="decimals" type="text" size="6" maxlength="6" id="decimals" value="' . s($field->getDecimals()) . '" /><span id="decimalstip"></span></td></tr>';
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// xmldb_field NotNull
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$notnulloptions = array (0 => 'null', 'not null');
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$select = html_writer::select($notnulloptions, 'notnull', $field->getNotNull(), false);
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$o.= ' <tr valign="top"><td><label for="menunotnull" accesskey="n">Not Null:</label></td>';
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$o.= ' <td colspan="2">' . $select . '</td></tr>';
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// xmldb_field Sequence
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$sequenceoptions = array (0 => $this->str['no'], 1 => 'auto-numbered');
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$select = html_writer::select($sequenceoptions, 'sequence', $field->getSequence(), false);
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$o.= ' <tr valign="top"><td><label for="menusequence" accesskey="s">Sequence:</label></td>';
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$o.= ' <td colspan="2">' . $select . '</td></tr>';
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// xmldb_field Default
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$o.= ' <tr valign="top"><td><label for="default" accesskey="d">Default:</label></td>';
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$o.= ' <td colspan="2"><input type="text" name="default" size="30" maxlength="80" id="default" value="' . s($field->getDefault()) . '" /></td></tr>';
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// Change button
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$o .= ' <tr valign="top"><td> </td><td colspan="2"><input type="submit" value="' . $this->str['change'] .
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'" class="btn btn-secondary" /></td></tr>';
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$o.= ' </table>';
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$o.= '</div></form>';
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// Calculate the buttons
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$b = ' <p class="centerpara buttons">';
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// The view original XML button
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if ($table->getField($fieldparam)) {
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$b .= ' <a href="index.php?action=view_field_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&select=original&table=' . $tableparam . '&field=' . $fieldparam . '">[' . $this->str['vieworiginal'] . ']</a>';
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} else {
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$b .= ' [' . $this->str['vieworiginal'] . ']';
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}
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// The view edited XML button
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if ($field->hasChanged()) {
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$b .= ' <a href="index.php?action=view_field_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&select=edited&table=' . $tableparam . '&field=' . $fieldparam . '">[' . $this->str['viewedited'] . ']</a>';
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} else {
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$b .= ' [' . $this->str['viewedited'] . ']';
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}
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// The back to edit table button
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$b .= ' <a href="index.php?action=edit_table&table=' . $tableparam . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['back'] . ']</a>';
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$b .= '</p>';
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$o .= $b;
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$this->output = $o;
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// Launch postaction if exists (leave this here!)
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if ($this->getPostAction() && $result) {
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return $this->launch($this->getPostAction());
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}
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// Return ok if arrived here
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return $result;
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}
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}
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