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298 lines
13 KiB
PHP
Executable File
298 lines
13 KiB
PHP
Executable File
<?php // $Id$
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///////////////////////////////////////////////////////////////////////////
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// //
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// NOTICE OF COPYRIGHT //
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// //
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// Moodle - Modular Object-Oriented Dynamic Learning Environment //
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// http://moodle.org //
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// //
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// Copyright (C) 2005 Martin Dougiamas http://dougiamas.com //
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// //
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// This program 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 2 of the License, or //
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// (at your option) any later version. //
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// //
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// This program 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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// http://www.gnu.org/copyleft/gpl.html //
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// //
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///////////////////////////////////////////////////////////////////////////
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require_once('../../config.php');
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require_once('lib.php');
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require_once($CFG->libdir.'/blocklib.php');
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require_once('pagelib.php');
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require_login();
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$id = optional_param('id', 0, PARAM_INT); // course module id
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$d = optional_param('d', 0, PARAM_INT); // database id
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$fid = optional_param('fid', 0 , PARAM_INT); //update field id
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$newtype = optional_param('fieldmenu','',PARAM_ALPHA); //type of the new field
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//action specifies what action is performed when data is submitted
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$mode = optional_param('mode','',PARAM_ALPHA);
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$displayflag = ''; //str to print after an operation,
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if ($id) {
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if (! $cm = get_record('course_modules', 'id', $id)) {
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error('Course Module ID was incorrect');
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}
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if (! $course = get_record('course', 'id', $cm->course)) {
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error('Course is misconfigured');
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}
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if (! $data = get_record('data', 'id', $cm->instance)) {
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error('Course module is incorrect');
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}
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} else {
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if (! $data = get_record('data', 'id', $d)) {
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error('Data ID is incorrect');
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}
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if (! $course = get_record('course', 'id', $data->course)) {
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error('Course is misconfigured');
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}
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if (! $cm = get_coursemodule_from_instance('data', $data->id, $course->id)) {
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error('Course Module ID was incorrect');
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}
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}
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if (!isteacheredit($course->id)){
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error(get_string('noaccess','data'));
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}
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$strdata = get_string('modulenameplural','data');
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print_header_simple($data->name, "", "<a href='index.php?id=$course->id'>$strdata</a> -> $data->name", "", "", true, "", navmenu($course, $cm));
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print_heading(format_string($data->name));
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/************************************
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* Data Processing *
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***********************************/
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switch($mode){
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case 'add': ///add a new field
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if (confirm_sesskey() and $field = data_submitted($CFG->wwwroot.'/mod/data/fields.php')){
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$sql = 'SELECT * from '.$CFG->prefix.'data_fields WHERE name LIKE "'.$field->name.
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'" AND dataid = '.$data->id;
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if ($field->name and !get_record_sql($sql)){
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$field->dataid = $data->id;
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// Check for arrays. If we encounter an array, we save the array as a
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// comma-delimited string in the database.
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foreach ($field as $key=>$val) {
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if (is_array($val)) {
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$str = '';
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foreach ($val as $inner) {
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$str .= $inner . ',';
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}
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$str = substr($str, 0, -1);
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$field->$key = $str;
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}
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}
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$field->id = insert_record('data_fields', $field);
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// Add the new field to the form templates.
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data_append_field_in_form($field->dataid, $field->name);
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add_to_log($course->id, 'data', 'fields add', "fields.php?d=$data->id&mode=display&fid=$field->id", $field->id, $cm->id);
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$displayflag = get_string('fieldadded','data');
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}
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else { //no duplicate names allowed in one database!
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$displayflag = get_string('invalidfieldname','data');
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}
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}
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break;
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case 'delete': // Delete a field
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if (confirm_sesskey()){
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if ($confirm = optional_param('confirm', 0, PARAM_INT)) {
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// Delete the associated data_contents and files.
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if (!$fieldRecordSet = get_record('data_fields', 'id', $fid)) {
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notify('Field not found');
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exit;
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}
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$field = data_get_field($fieldRecordSet);
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$field->delete_data_contents();
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// Update the templates.
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data_replace_field_in_forms($fieldRecordSet->dataid, $fieldRecordSet->name, '');
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// Delete the field.
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delete_records('data_fields', 'id', $fid);
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add_to_log($course->id, 'data', 'fields delete', "fields.php?d=$data->id", $fieldRecordSet->name, $cm->id);
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$displayflag = get_string('fielddeleted', 'data');
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}
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else {
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// Print confirmation message.
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$field = get_record('data_fields','id',$fid);
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print_simple_box_start('center', '60%');
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echo '<div align="center">';
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echo '<form action = "fields.php?d='.$data->id.'&mode=delete&fid='.$fid.'" method="post">';
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echo '<input name="sesskey" value="'.sesskey().'" type="hidden" />';
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echo '<input name="confirm" value="1" type="hidden" />';
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echo '<strong>'.$field->name.'</strong> - '.get_string('confirmdeletefield','data');
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echo '<p />';
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echo '<input type="submit" value="'.get_string('ok').'" /> ';
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echo '<input type="button" value="'.get_string('cancel').'" onclick="javascript:history.go(-1);" />';
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echo '</form>';
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echo '</div>';
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print_simple_box_end();
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echo '</td></tr></table>';
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print_footer($course);
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exit;
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}
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}
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break;
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case 'update': ///update a field
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if (confirm_sesskey() and $field = data_submitted($CFG->wwwroot.'/mod/data/fields.php')){
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$field->id = $fid;
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$field->name = optional_param('name','',PARAM_NOTAGS);
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$sql = 'SELECT * from '.$CFG->prefix.'data_fields WHERE name LIKE "'.$field->name.
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'" AND dataid = '.$data->id.' AND ((id < '.$field->id.') OR (id > '.$field->id.'))';
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if ($field->name and !get_records_sql($sql)){
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//depends on the type of field, perform native update methods
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$currentfield = get_record('data_fields','id',$fid);
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$g = data_get_field($currentfield);
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$g->update($field);
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unset($g);
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// Update the templates.
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data_replace_field_in_forms($currentfield->dataid, $currentfield->name, $field->name);
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add_to_log($course->id, 'data', 'fields update', "fields.php?d=$data->id&mode=display&fid=$field->id", $field->id, $cm->id);
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$displayflag = get_string('fieldupdated','data');
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}
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else {
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$displayflag = get_string('invalidfieldname','data');
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}
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}
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break;
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default:
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break;
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}
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/// Print the tabs
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$currenttab = 'fields';
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include('tabs.php');
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/// Print the browsing interface
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///get the list of possible fields (plugins)
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$directories = get_list_of_plugins('mod/data/field/');
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$menufield = array();
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foreach ($directories as $directory){
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$menufield[$directory] = get_string($directory,'data'); //get from language files
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}
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asort($menufield); //sort in alphabetical order
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notify ($displayflag); //print message, if any
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if (($mode == 'new') && confirm_sesskey() ){ //adding new field
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require_once('field/'.$newtype.'/field.class.php');
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$f = 'data_field_'.$newtype;
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$g = new $f;
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$g->display_edit_field(0, $data->id);
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unset($f);
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unset($g);
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}
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else if ($mode != 'display'){ //display main form - add new, update, delete
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//echo '<form name="fieldform" action="fields.php?d='.$data->id.'&" method="POST">';
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echo '<form name="fieldform" action="fields.php" method="post">';
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echo '<input name="d" type="hidden" value="'.$data->id.'" />';
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echo '<input type="hidden" name="mode" value="" />';
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echo '<input name="sesskey" value="'.sesskey().'" type="hidden" />';
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print_simple_box_start('center','50%');
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///New fields
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echo '<table width="100%"><tr>';
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echo '<td>'.get_string('newfield','data').' ';
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choose_from_menu($menufield,'fieldmenu','0','choose','fieldform.mode.value=\'new\';fieldform.submit();','0');
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helpbutton('fields', get_string('addafield','data'), 'data');
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echo '</td></tr>';
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/*******************************************
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* Print List of Fields in Quiz Style *
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*******************************************/
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if (!count_records('data_fields','dataid',$data->id)) {
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echo '<tr><td colspan="2">'.get_string('nofieldindatabase','data').'</td></tr>'; // nothing in database
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}
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else { //else print quiz style list of fields
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echo '<tr><td>';
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print_simple_box_start('center','90%');
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echo '<table width="100%"><tr><td align="center"><b>'.get_string('action','data').
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'</b></td><td><b>'.get_string('fieldname','data').
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'</b></td><td align="center"><b>'.get_string('type','data').'</b></td></tr>';
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if ($fields = get_records('data_fields','dataid',$data->id)){
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foreach ($fields as $field) {
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///Print Action Column
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echo '<tr><td align="center">';
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echo '<a href="fields.php?d='.$data->id.'&mode=display&fid='.$field->id.'&sesskey='.sesskey().'">';
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echo '<img src="'.$CFG->pixpath.'/t/edit.gif" height="11" width="11" border="0" alt="'.get_string('edit').'" /></a>';
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echo ' ';
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echo '<a href="fields.php?d='.$data->id.'&mode=delete&fid='.$field->id.'&sesskey='.sesskey().'">';
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echo '<img src="'.$CFG->pixpath.'/t/delete.gif" height="11" width="11" border="0" alt="'.get_string('delete').'" /></a>';
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echo '</td>';
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///Print Fieldname Column
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echo '<td>';
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echo '<a href="fields.php?mode=display&d='.$data->id;
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echo '&fid='.$field->id.'&sesskey='.sesskey().'">'.$field->name.'</a>';
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echo '</td>';
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///Print Type Column
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echo '<td align="center">';
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$g = data_get_field($field);
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echo $g->image($data->id); //print type icon
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echo '</td></tr>';
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}
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}
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echo '</table>';
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print_simple_box_end();
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} //close else
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echo '</td></tr></table>';
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print_simple_box_end();
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echo '</form>';
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} else { //display native update form
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$currentfield = get_record('data_fields','id',$fid);
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$g = data_get_field($currentfield);
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$g->display_edit_field($currentfield->id);
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unset($g);
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}
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/// Finish the page
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print_footer($course);
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?>
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